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movenc.c
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1 /*
2  * MOV, 3GP, MP4 muxer
3  * Copyright (c) 2003 Thomas Raivio
4  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include <stdint.h>
25 #include <inttypes.h>
26 
27 #include "movenc.h"
28 #include "avformat.h"
29 #include "avio_internal.h"
30 #include "riff.h"
31 #include "avio.h"
32 #include "isom.h"
33 #include "av1.h"
34 #include "avc.h"
36 #include "libavcodec/dnxhddata.h"
37 #include "libavcodec/flac.h"
38 #include "libavcodec/get_bits.h"
39 
40 #include "libavcodec/internal.h"
41 #include "libavcodec/put_bits.h"
42 #include "libavcodec/vc1_common.h"
43 #include "libavcodec/raw.h"
44 #include "internal.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/intfloat.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/libm.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/dict.h"
51 #include "libavutil/pixdesc.h"
52 #include "libavutil/stereo3d.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/color_utils.h"
55 #include "hevc.h"
56 #include "rtpenc.h"
57 #include "mov_chan.h"
58 #include "vpcc.h"
59 
60 static const AVOption options[] = {
61  { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62  { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63  { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
64  { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65  { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66  { "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67  { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68  { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69  { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70  { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71  { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72  { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73  { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74  { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75  { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76  { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
77  { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
78  { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
79  { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
80  { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
81  { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
82  { "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
83  FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
84  { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
85  { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
86  { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
87  { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
88  { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
89  { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
90  { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
91  { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
92  { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
93  { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
94  { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
95  { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
96  { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
97  { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
98  { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
99  { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
100  { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
101  { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
102  { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
103  { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
104  { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
105  { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
106  { NULL },
107 };
108 
109 #define MOV_CLASS(flavor)\
110 static const AVClass flavor ## _muxer_class = {\
111  .class_name = #flavor " muxer",\
112  .item_name = av_default_item_name,\
113  .option = options,\
114  .version = LIBAVUTIL_VERSION_INT,\
115 };
116 
117 static int get_moov_size(AVFormatContext *s);
118 
119 static int utf8len(const uint8_t *b)
120 {
121  int len = 0;
122  int val;
123  while (*b) {
124  GET_UTF8(val, *b++, return -1;)
125  len++;
126  }
127  return len;
128 }
129 
130 //FIXME support 64 bit variant with wide placeholders
131 static int64_t update_size(AVIOContext *pb, int64_t pos)
132 {
133  int64_t curpos = avio_tell(pb);
134  avio_seek(pb, pos, SEEK_SET);
135  avio_wb32(pb, curpos - pos); /* rewrite size */
136  avio_seek(pb, curpos, SEEK_SET);
137 
138  return curpos - pos;
139 }
140 
141 static int co64_required(const MOVTrack *track)
142 {
143  if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
144  return 1;
145  return 0;
146 }
147 
148 static int is_cover_image(const AVStream *st)
149 {
150  /* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
151  * is encoded as sparse video track */
152  return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
153 }
154 
155 static int rtp_hinting_needed(const AVStream *st)
156 {
157  /* Add hint tracks for each real audio and video stream */
158  if (is_cover_image(st))
159  return 0;
160  return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
162 }
163 
164 /* Chunk offset atom */
165 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
166 {
167  int i;
168  int mode64 = co64_required(track); // use 32 bit size variant if possible
169  int64_t pos = avio_tell(pb);
170  avio_wb32(pb, 0); /* size */
171  if (mode64)
172  ffio_wfourcc(pb, "co64");
173  else
174  ffio_wfourcc(pb, "stco");
175  avio_wb32(pb, 0); /* version & flags */
176  avio_wb32(pb, track->chunkCount); /* entry count */
177  for (i = 0; i < track->entry; i++) {
178  if (!track->cluster[i].chunkNum)
179  continue;
180  if (mode64 == 1)
181  avio_wb64(pb, track->cluster[i].pos + track->data_offset);
182  else
183  avio_wb32(pb, track->cluster[i].pos + track->data_offset);
184  }
185  return update_size(pb, pos);
186 }
187 
188 /* Sample size atom */
189 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
190 {
191  int equalChunks = 1;
192  int i, j, entries = 0, tst = -1, oldtst = -1;
193 
194  int64_t pos = avio_tell(pb);
195  avio_wb32(pb, 0); /* size */
196  ffio_wfourcc(pb, "stsz");
197  avio_wb32(pb, 0); /* version & flags */
198 
199  for (i = 0; i < track->entry; i++) {
200  tst = track->cluster[i].size / track->cluster[i].entries;
201  if (oldtst != -1 && tst != oldtst)
202  equalChunks = 0;
203  oldtst = tst;
204  entries += track->cluster[i].entries;
205  }
206  if (equalChunks && track->entry) {
207  int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
208  sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
209  avio_wb32(pb, sSize); // sample size
210  avio_wb32(pb, entries); // sample count
211  } else {
212  avio_wb32(pb, 0); // sample size
213  avio_wb32(pb, entries); // sample count
214  for (i = 0; i < track->entry; i++) {
215  for (j = 0; j < track->cluster[i].entries; j++) {
216  avio_wb32(pb, track->cluster[i].size /
217  track->cluster[i].entries);
218  }
219  }
220  }
221  return update_size(pb, pos);
222 }
223 
224 /* Sample to chunk atom */
225 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
226 {
227  int index = 0, oldval = -1, i;
228  int64_t entryPos, curpos;
229 
230  int64_t pos = avio_tell(pb);
231  avio_wb32(pb, 0); /* size */
232  ffio_wfourcc(pb, "stsc");
233  avio_wb32(pb, 0); // version & flags
234  entryPos = avio_tell(pb);
235  avio_wb32(pb, track->chunkCount); // entry count
236  for (i = 0; i < track->entry; i++) {
237  if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
238  avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
239  avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
240  avio_wb32(pb, 0x1); // sample description index
241  oldval = track->cluster[i].samples_in_chunk;
242  index++;
243  }
244  }
245  curpos = avio_tell(pb);
246  avio_seek(pb, entryPos, SEEK_SET);
247  avio_wb32(pb, index); // rewrite size
248  avio_seek(pb, curpos, SEEK_SET);
249 
250  return update_size(pb, pos);
251 }
252 
253 /* Sync sample atom */
254 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
255 {
256  int64_t curpos, entryPos;
257  int i, index = 0;
258  int64_t pos = avio_tell(pb);
259  avio_wb32(pb, 0); // size
260  ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
261  avio_wb32(pb, 0); // version & flags
262  entryPos = avio_tell(pb);
263  avio_wb32(pb, track->entry); // entry count
264  for (i = 0; i < track->entry; i++) {
265  if (track->cluster[i].flags & flag) {
266  avio_wb32(pb, i + 1);
267  index++;
268  }
269  }
270  curpos = avio_tell(pb);
271  avio_seek(pb, entryPos, SEEK_SET);
272  avio_wb32(pb, index); // rewrite size
273  avio_seek(pb, curpos, SEEK_SET);
274  return update_size(pb, pos);
275 }
276 
277 /* Sample dependency atom */
278 static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
279 {
280  int i;
281  uint8_t leading, dependent, reference, redundancy;
282  int64_t pos = avio_tell(pb);
283  avio_wb32(pb, 0); // size
284  ffio_wfourcc(pb, "sdtp");
285  avio_wb32(pb, 0); // version & flags
286  for (i = 0; i < track->entry; i++) {
287  dependent = MOV_SAMPLE_DEPENDENCY_YES;
288  leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
289  if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
290  reference = MOV_SAMPLE_DEPENDENCY_NO;
291  }
292  if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
293  dependent = MOV_SAMPLE_DEPENDENCY_NO;
294  }
295  avio_w8(pb, (leading << 6) | (dependent << 4) |
296  (reference << 2) | redundancy);
297  }
298  return update_size(pb, pos);
299 }
300 
301 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
302 {
303  avio_wb32(pb, 0x11); /* size */
304  if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
305  else ffio_wfourcc(pb, "damr");
306  ffio_wfourcc(pb, "FFMP");
307  avio_w8(pb, 0); /* decoder version */
308 
309  avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
310  avio_w8(pb, 0x00); /* Mode change period (no restriction) */
311  avio_w8(pb, 0x01); /* Frames per sample */
312  return 0x11;
313 }
314 
315 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
316 {
317  GetBitContext gbc;
318  PutBitContext pbc;
319  uint8_t buf[3];
320  int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
321 
322  if (track->vos_len < 7)
323  return -1;
324 
325  avio_wb32(pb, 11);
326  ffio_wfourcc(pb, "dac3");
327 
328  init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
329  fscod = get_bits(&gbc, 2);
330  frmsizecod = get_bits(&gbc, 6);
331  bsid = get_bits(&gbc, 5);
332  bsmod = get_bits(&gbc, 3);
333  acmod = get_bits(&gbc, 3);
334  if (acmod == 2) {
335  skip_bits(&gbc, 2); // dsurmod
336  } else {
337  if ((acmod & 1) && acmod != 1)
338  skip_bits(&gbc, 2); // cmixlev
339  if (acmod & 4)
340  skip_bits(&gbc, 2); // surmixlev
341  }
342  lfeon = get_bits1(&gbc);
343 
344  init_put_bits(&pbc, buf, sizeof(buf));
345  put_bits(&pbc, 2, fscod);
346  put_bits(&pbc, 5, bsid);
347  put_bits(&pbc, 3, bsmod);
348  put_bits(&pbc, 3, acmod);
349  put_bits(&pbc, 1, lfeon);
350  put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
351  put_bits(&pbc, 5, 0); // reserved
352 
353  flush_put_bits(&pbc);
354  avio_write(pb, buf, sizeof(buf));
355 
356  return 11;
357 }
358 
359 struct eac3_info {
363 
364  /* Layout of the EC3SpecificBox */
365  /* maximum bitrate */
366  uint16_t data_rate;
367  /* number of independent substreams */
369  struct {
370  /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
372  /* bit stream identification 5 bits */
374  /* one bit reserved */
375  /* audio service mixing (not supported yet) 1 bit */
376  /* bit stream mode 3 bits */
378  /* audio coding mode 3 bits */
380  /* sub woofer on 1 bit */
382  /* 3 bits reserved */
383  /* number of dependent substreams associated with this substream 4 bits */
385  /* channel locations of the dependent substream(s), if any, 9 bits */
386  uint16_t chan_loc;
387  /* if there is no dependent substream, then one bit reserved instead */
388  } substream[1]; /* TODO: support 8 independent substreams */
389 };
390 
391 #if CONFIG_AC3_PARSER
392 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
393 {
394  AC3HeaderInfo *hdr = NULL;
395  struct eac3_info *info;
396  int num_blocks, ret;
397 
398  if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
399  return AVERROR(ENOMEM);
400  info = track->eac3_priv;
401 
402  if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
403  /* drop the packets until we see a good one */
404  if (!track->entry) {
405  av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
406  ret = 0;
407  } else
408  ret = AVERROR_INVALIDDATA;
409  goto end;
410  }
411 
412  info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
413  num_blocks = hdr->num_blocks;
414 
415  if (!info->ec3_done) {
416  /* AC-3 substream must be the first one */
417  if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
418  ret = AVERROR(EINVAL);
419  goto end;
420  }
421 
422  /* this should always be the case, given that our AC-3 parser
423  * concatenates dependent frames to their independent parent */
425  /* substream ids must be incremental */
426  if (hdr->substreamid > info->num_ind_sub + 1) {
427  ret = AVERROR(EINVAL);
428  goto end;
429  }
430 
431  if (hdr->substreamid == info->num_ind_sub + 1) {
432  //info->num_ind_sub++;
433  avpriv_request_sample(mov->fc, "Multiple independent substreams");
434  ret = AVERROR_PATCHWELCOME;
435  goto end;
436  } else if (hdr->substreamid < info->num_ind_sub ||
437  hdr->substreamid == 0 && info->substream[0].bsid) {
438  info->ec3_done = 1;
439  goto concatenate;
440  }
441  } else {
442  if (hdr->substreamid != 0) {
443  avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
444  ret = AVERROR_PATCHWELCOME;
445  goto end;
446  }
447  }
448 
449  /* fill the info needed for the "dec3" atom */
450  info->substream[hdr->substreamid].fscod = hdr->sr_code;
451  info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
452  info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
453  info->substream[hdr->substreamid].acmod = hdr->channel_mode;
454  info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
455 
456  /* Parse dependent substream(s), if any */
457  if (pkt->size != hdr->frame_size) {
458  int cumul_size = hdr->frame_size;
459  int parent = hdr->substreamid;
460 
461  while (cumul_size != pkt->size) {
462  GetBitContext gbc;
463  int i;
464  ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
465  if (ret < 0)
466  goto end;
468  ret = AVERROR(EINVAL);
469  goto end;
470  }
471  info->substream[parent].num_dep_sub++;
472  ret /= 8;
473 
474  /* header is parsed up to lfeon, but custom channel map may be needed */
475  init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
476  /* skip bsid */
477  skip_bits(&gbc, 5);
478  /* skip volume control params */
479  for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
480  skip_bits(&gbc, 5); // skip dialog normalization
481  if (get_bits1(&gbc)) {
482  skip_bits(&gbc, 8); // skip compression gain word
483  }
484  }
485  /* get the dependent stream channel map, if exists */
486  if (get_bits1(&gbc))
487  info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
488  else
489  info->substream[parent].chan_loc |= hdr->channel_mode;
490  cumul_size += hdr->frame_size;
491  }
492  }
493  }
494 
495 concatenate:
496  if (!info->num_blocks && num_blocks == 6) {
497  ret = pkt->size;
498  goto end;
499  }
500  else if (info->num_blocks + num_blocks > 6) {
501  ret = AVERROR_INVALIDDATA;
502  goto end;
503  }
504 
505  if (!info->num_blocks) {
506  ret = av_packet_ref(&info->pkt, pkt);
507  if (!ret)
508  info->num_blocks = num_blocks;
509  goto end;
510  } else {
511  if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
512  goto end;
513  memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
514  info->num_blocks += num_blocks;
515  info->pkt.duration += pkt->duration;
516  if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
517  goto end;
518  if (info->num_blocks != 6)
519  goto end;
520  av_packet_unref(pkt);
521  av_packet_move_ref(pkt, &info->pkt);
522  info->num_blocks = 0;
523  }
524  ret = pkt->size;
525 
526 end:
527  av_free(hdr);
528 
529  return ret;
530 }
531 #endif
532 
533 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
534 {
535  PutBitContext pbc;
536  uint8_t *buf;
537  struct eac3_info *info;
538  int size, i;
539 
540  if (!track->eac3_priv)
541  return AVERROR(EINVAL);
542 
543  info = track->eac3_priv;
544  size = 2 + 4 * (info->num_ind_sub + 1);
545  buf = av_malloc(size);
546  if (!buf) {
547  size = AVERROR(ENOMEM);
548  goto end;
549  }
550 
551  init_put_bits(&pbc, buf, size);
552  put_bits(&pbc, 13, info->data_rate);
553  put_bits(&pbc, 3, info->num_ind_sub);
554  for (i = 0; i <= info->num_ind_sub; i++) {
555  put_bits(&pbc, 2, info->substream[i].fscod);
556  put_bits(&pbc, 5, info->substream[i].bsid);
557  put_bits(&pbc, 1, 0); /* reserved */
558  put_bits(&pbc, 1, 0); /* asvc */
559  put_bits(&pbc, 3, info->substream[i].bsmod);
560  put_bits(&pbc, 3, info->substream[i].acmod);
561  put_bits(&pbc, 1, info->substream[i].lfeon);
562  put_bits(&pbc, 5, 0); /* reserved */
563  put_bits(&pbc, 4, info->substream[i].num_dep_sub);
564  if (!info->substream[i].num_dep_sub) {
565  put_bits(&pbc, 1, 0); /* reserved */
566  size--;
567  } else {
568  put_bits(&pbc, 9, info->substream[i].chan_loc);
569  }
570  }
571  flush_put_bits(&pbc);
572 
573  avio_wb32(pb, size + 8);
574  ffio_wfourcc(pb, "dec3");
575  avio_write(pb, buf, size);
576 
577  av_free(buf);
578 
579 end:
580  av_packet_unref(&info->pkt);
581  av_freep(&track->eac3_priv);
582 
583  return size;
584 }
585 
586 /**
587  * This function writes extradata "as is".
588  * Extradata must be formatted like a valid atom (with size and tag).
589  */
591 {
592  avio_write(pb, track->par->extradata, track->par->extradata_size);
593  return track->par->extradata_size;
594 }
595 
597 {
598  avio_wb32(pb, 10);
599  ffio_wfourcc(pb, "enda");
600  avio_wb16(pb, 1); /* little endian */
601  return 10;
602 }
603 
605 {
606  avio_wb32(pb, 10);
607  ffio_wfourcc(pb, "enda");
608  avio_wb16(pb, 0); /* big endian */
609  return 10;
610 }
611 
612 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
613 {
614  int i = 3;
615  avio_w8(pb, tag);
616  for (; i > 0; i--)
617  avio_w8(pb, (size >> (7 * i)) | 0x80);
618  avio_w8(pb, size & 0x7F);
619 }
620 
621 static unsigned compute_avg_bitrate(MOVTrack *track)
622 {
623  uint64_t size = 0;
624  int i;
625  if (!track->track_duration)
626  return 0;
627  for (i = 0; i < track->entry; i++)
628  size += track->cluster[i].size;
629  return size * 8 * track->timescale / track->track_duration;
630 }
631 
632 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
633 {
634  AVCPBProperties *props;
635  int64_t pos = avio_tell(pb);
636  int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
637  unsigned avg_bitrate;
638 
639  avio_wb32(pb, 0); // size
640  ffio_wfourcc(pb, "esds");
641  avio_wb32(pb, 0); // Version
642 
643  // ES descriptor
644  put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
645  avio_wb16(pb, track->track_id);
646  avio_w8(pb, 0x00); // flags (= no flags)
647 
648  // DecoderConfig descriptor
649  put_descr(pb, 0x04, 13 + decoder_specific_info_len);
650 
651  // Object type indication
652  if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
653  track->par->codec_id == AV_CODEC_ID_MP3) &&
654  track->par->sample_rate > 24000)
655  avio_w8(pb, 0x6B); // 11172-3
656  else
658 
659  // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
660  // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
661  if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
662  avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
663  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
664  avio_w8(pb, 0x15); // flags (= Audiostream)
665  else
666  avio_w8(pb, 0x11); // flags (= Visualstream)
667 
669  NULL);
670 
671  avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
672 
673  avg_bitrate = compute_avg_bitrate(track);
674  avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
675  avio_wb32(pb, avg_bitrate);
676 
677  if (track->vos_len) {
678  // DecoderSpecific info descriptor
679  put_descr(pb, 0x05, track->vos_len);
680  avio_write(pb, track->vos_data, track->vos_len);
681  }
682 
683  // SL descriptor
684  put_descr(pb, 0x06, 1);
685  avio_w8(pb, 0x02);
686  return update_size(pb, pos);
687 }
688 
690 {
691  return codec_id == AV_CODEC_ID_PCM_S24LE ||
692  codec_id == AV_CODEC_ID_PCM_S32LE ||
693  codec_id == AV_CODEC_ID_PCM_F32LE ||
694  codec_id == AV_CODEC_ID_PCM_F64LE;
695 }
696 
698 {
699  return codec_id == AV_CODEC_ID_PCM_S24BE ||
700  codec_id == AV_CODEC_ID_PCM_S32BE ||
701  codec_id == AV_CODEC_ID_PCM_F32BE ||
702  codec_id == AV_CODEC_ID_PCM_F64BE;
703 }
704 
706 {
707  int ret;
708  int64_t pos = avio_tell(pb);
709  avio_wb32(pb, 0);
710  avio_wl32(pb, track->tag); // store it byteswapped
711  track->par->codec_tag = av_bswap16(track->tag >> 16);
712  if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
713  return ret;
714  return update_size(pb, pos);
715 }
716 
718 {
719  int ret;
720  int64_t pos = avio_tell(pb);
721  avio_wb32(pb, 0);
722  ffio_wfourcc(pb, "wfex");
723  if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
724  return ret;
725  return update_size(pb, pos);
726 }
727 
728 static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
729 {
730  int64_t pos = avio_tell(pb);
731  avio_wb32(pb, 0);
732  ffio_wfourcc(pb, "dfLa");
733  avio_w8(pb, 0); /* version */
734  avio_wb24(pb, 0); /* flags */
735 
736  /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
737  if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
738  return AVERROR_INVALIDDATA;
739 
740  /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
741  avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
742  avio_wb24(pb, track->par->extradata_size); /* Length */
743  avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
744 
745  return update_size(pb, pos);
746 }
747 
748 static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
749 {
750  int64_t pos = avio_tell(pb);
751  avio_wb32(pb, 0);
752  ffio_wfourcc(pb, "dOps");
753  avio_w8(pb, 0); /* Version */
754  if (track->par->extradata_size < 19) {
755  av_log(pb, AV_LOG_ERROR, "invalid extradata size\n");
756  return AVERROR_INVALIDDATA;
757  }
758  /* extradata contains an Ogg OpusHead, other than byte-ordering and
759  OpusHead's preceeding magic/version, OpusSpecificBox is currently
760  identical. */
761  avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
762  avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
763  avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
764  avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
765  /* Write the rest of the header out without byte-swapping. */
766  avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
767 
768  return update_size(pb, pos);
769 }
770 
772 {
773  uint32_t layout_tag, bitmap;
774  int64_t pos = avio_tell(pb);
775 
776  layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
777  track->par->channel_layout,
778  &bitmap);
779  if (!layout_tag) {
780  av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
781  "lack of channel information\n");
782  return 0;
783  }
784 
785  if (track->multichannel_as_mono)
786  return 0;
787 
788  avio_wb32(pb, 0); // Size
789  ffio_wfourcc(pb, "chan"); // Type
790  avio_w8(pb, 0); // Version
791  avio_wb24(pb, 0); // Flags
792  avio_wb32(pb, layout_tag); // mChannelLayoutTag
793  avio_wb32(pb, bitmap); // mChannelBitmap
794  avio_wb32(pb, 0); // mNumberChannelDescriptions
795 
796  return update_size(pb, pos);
797 }
798 
800 {
801  int64_t pos = avio_tell(pb);
802 
803  avio_wb32(pb, 0); /* size */
804  ffio_wfourcc(pb, "wave");
805 
806  if (track->par->codec_id != AV_CODEC_ID_QDM2) {
807  avio_wb32(pb, 12); /* size */
808  ffio_wfourcc(pb, "frma");
809  avio_wl32(pb, track->tag);
810  }
811 
812  if (track->par->codec_id == AV_CODEC_ID_AAC) {
813  /* useless atom needed by mplayer, ipod, not needed by quicktime */
814  avio_wb32(pb, 12); /* size */
815  ffio_wfourcc(pb, "mp4a");
816  avio_wb32(pb, 0);
817  mov_write_esds_tag(pb, track);
818  } else if (mov_pcm_le_gt16(track->par->codec_id)) {
819  mov_write_enda_tag(pb);
820  } else if (mov_pcm_be_gt16(track->par->codec_id)) {
822  } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
823  mov_write_amr_tag(pb, track);
824  } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
825  mov_write_ac3_tag(pb, track);
826  } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
827  mov_write_eac3_tag(pb, track);
828  } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
829  track->par->codec_id == AV_CODEC_ID_QDM2) {
830  mov_write_extradata_tag(pb, track);
831  } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
833  mov_write_ms_tag(s, pb, track);
834  }
835 
836  avio_wb32(pb, 8); /* size */
837  avio_wb32(pb, 0); /* null tag */
838 
839  return update_size(pb, pos);
840 }
841 
843 {
844  uint8_t *unescaped;
845  const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
846  int unescaped_size, seq_found = 0;
847  int level = 0, interlace = 0;
848  int packet_seq = track->vc1_info.packet_seq;
849  int packet_entry = track->vc1_info.packet_entry;
850  int slices = track->vc1_info.slices;
851  PutBitContext pbc;
852 
853  if (track->start_dts == AV_NOPTS_VALUE) {
854  /* No packets written yet, vc1_info isn't authoritative yet. */
855  /* Assume inline sequence and entry headers. */
856  packet_seq = packet_entry = 1;
858  "moov atom written before any packets, unable to write correct "
859  "dvc1 atom. Set the delay_moov flag to fix this.\n");
860  }
861 
862  unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
863  if (!unescaped)
864  return AVERROR(ENOMEM);
865  start = find_next_marker(track->vos_data, end);
866  for (next = start; next < end; start = next) {
867  GetBitContext gb;
868  int size;
869  next = find_next_marker(start + 4, end);
870  size = next - start - 4;
871  if (size <= 0)
872  continue;
873  unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
874  init_get_bits(&gb, unescaped, 8 * unescaped_size);
875  if (AV_RB32(start) == VC1_CODE_SEQHDR) {
876  int profile = get_bits(&gb, 2);
877  if (profile != PROFILE_ADVANCED) {
878  av_free(unescaped);
879  return AVERROR(ENOSYS);
880  }
881  seq_found = 1;
882  level = get_bits(&gb, 3);
883  /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
884  * width, height */
885  skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
886  skip_bits(&gb, 1); /* broadcast */
887  interlace = get_bits1(&gb);
888  skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
889  }
890  }
891  if (!seq_found) {
892  av_free(unescaped);
893  return AVERROR(ENOSYS);
894  }
895 
896  init_put_bits(&pbc, buf, 7);
897  /* VC1DecSpecStruc */
898  put_bits(&pbc, 4, 12); /* profile - advanced */
899  put_bits(&pbc, 3, level);
900  put_bits(&pbc, 1, 0); /* reserved */
901  /* VC1AdvDecSpecStruc */
902  put_bits(&pbc, 3, level);
903  put_bits(&pbc, 1, 0); /* cbr */
904  put_bits(&pbc, 6, 0); /* reserved */
905  put_bits(&pbc, 1, !interlace); /* no interlace */
906  put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
907  put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
908  put_bits(&pbc, 1, !slices); /* no slice code */
909  put_bits(&pbc, 1, 0); /* no bframe */
910  put_bits(&pbc, 1, 0); /* reserved */
911 
912  /* framerate */
913  if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
914  put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
915  else
916  put_bits32(&pbc, 0xffffffff);
917 
918  flush_put_bits(&pbc);
919 
920  av_free(unescaped);
921 
922  return 0;
923 }
924 
925 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
926 {
927  uint8_t buf[7] = { 0 };
928  int ret;
929 
930  if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
931  return ret;
932 
933  avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
934  ffio_wfourcc(pb, "dvc1");
935  avio_write(pb, buf, sizeof(buf));
936  avio_write(pb, track->vos_data, track->vos_len);
937 
938  return 0;
939 }
940 
941 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
942 {
943  avio_wb32(pb, track->vos_len + 8);
944  ffio_wfourcc(pb, "glbl");
945  avio_write(pb, track->vos_data, track->vos_len);
946  return 8 + track->vos_len;
947 }
948 
949 /**
950  * Compute flags for 'lpcm' tag.
951  * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
952  */
954 {
955  switch (codec_id) {
958  return 11;
961  return 9;
962  case AV_CODEC_ID_PCM_U8:
963  return 10;
967  return 14;
968  case AV_CODEC_ID_PCM_S8:
972  return 12;
973  default:
974  return 0;
975  }
976 }
977 
978 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
979 {
980  int64_t next_dts;
981 
982  if (cluster_idx >= track->entry)
983  return 0;
984 
985  if (cluster_idx + 1 == track->entry)
986  next_dts = track->track_duration + track->start_dts;
987  else
988  next_dts = track->cluster[cluster_idx + 1].dts;
989 
990  next_dts -= track->cluster[cluster_idx].dts;
991 
992  av_assert0(next_dts >= 0);
993  av_assert0(next_dts <= INT_MAX);
994 
995  return next_dts;
996 }
997 
999 {
1000  int i, first_duration;
1001 
1002 // return track->par->frame_size;
1003 
1004  /* use 1 for raw PCM */
1005  if (!track->audio_vbr)
1006  return 1;
1007 
1008  /* check to see if duration is constant for all clusters */
1009  if (!track->entry)
1010  return 0;
1011  first_duration = get_cluster_duration(track, 0);
1012  for (i = 1; i < track->entry; i++) {
1013  if (get_cluster_duration(track, i) != first_duration)
1014  return 0;
1015  }
1016  return first_duration;
1017 }
1018 
1020 {
1021  int64_t pos = avio_tell(pb);
1022  int version = 0;
1023  uint32_t tag = track->tag;
1024 
1025  if (track->mode == MODE_MOV) {
1026  if (track->timescale > UINT16_MAX || !track->par->channels) {
1027  if (mov_get_lpcm_flags(track->par->codec_id))
1028  tag = AV_RL32("lpcm");
1029  version = 2;
1030  } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
1031  mov_pcm_be_gt16(track->par->codec_id) ||
1032  track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1033  track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1034  track->par->codec_id == AV_CODEC_ID_QDM2) {
1035  version = 1;
1036  }
1037  }
1038 
1039  avio_wb32(pb, 0); /* size */
1040  if (mov->encryption_scheme != MOV_ENC_NONE) {
1041  ffio_wfourcc(pb, "enca");
1042  } else {
1043  avio_wl32(pb, tag); // store it byteswapped
1044  }
1045  avio_wb32(pb, 0); /* Reserved */
1046  avio_wb16(pb, 0); /* Reserved */
1047  avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
1048 
1049  /* SoundDescription */
1050  avio_wb16(pb, version); /* Version */
1051  avio_wb16(pb, 0); /* Revision level */
1052  avio_wb32(pb, 0); /* Reserved */
1053 
1054  if (version == 2) {
1055  avio_wb16(pb, 3);
1056  avio_wb16(pb, 16);
1057  avio_wb16(pb, 0xfffe);
1058  avio_wb16(pb, 0);
1059  avio_wb32(pb, 0x00010000);
1060  avio_wb32(pb, 72);
1061  avio_wb64(pb, av_double2int(track->par->sample_rate));
1062  avio_wb32(pb, track->par->channels);
1063  avio_wb32(pb, 0x7F000000);
1065  avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
1066  avio_wb32(pb, track->sample_size);
1067  avio_wb32(pb, get_samples_per_packet(track));
1068  } else {
1069  if (track->mode == MODE_MOV) {
1070  avio_wb16(pb, track->par->channels);
1071  if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
1072  track->par->codec_id == AV_CODEC_ID_PCM_S8)
1073  avio_wb16(pb, 8); /* bits per sample */
1074  else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
1075  avio_wb16(pb, track->par->bits_per_coded_sample);
1076  else
1077  avio_wb16(pb, 16);
1078  avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
1079  } else { /* reserved for mp4/3gp */
1080  if (track->par->codec_id == AV_CODEC_ID_FLAC ||
1081  track->par->codec_id == AV_CODEC_ID_OPUS) {
1082  avio_wb16(pb, track->par->channels);
1083  } else {
1084  avio_wb16(pb, 2);
1085  }
1086  if (track->par->codec_id == AV_CODEC_ID_FLAC) {
1087  avio_wb16(pb, track->par->bits_per_raw_sample);
1088  } else {
1089  avio_wb16(pb, 16);
1090  }
1091  avio_wb16(pb, 0);
1092  }
1093 
1094  avio_wb16(pb, 0); /* packet size (= 0) */
1095  if (track->par->codec_id == AV_CODEC_ID_OPUS)
1096  avio_wb16(pb, 48000);
1097  else
1098  avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1099  track->par->sample_rate : 0);
1100  avio_wb16(pb, 0); /* Reserved */
1101  }
1102 
1103  if (version == 1) { /* SoundDescription V1 extended info */
1104  if (mov_pcm_le_gt16(track->par->codec_id) ||
1105  mov_pcm_be_gt16(track->par->codec_id))
1106  avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1107  else
1108  avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1109  avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1110  avio_wb32(pb, track->sample_size); /* Bytes per frame */
1111  avio_wb32(pb, 2); /* Bytes per sample */
1112  }
1113 
1114  if (track->mode == MODE_MOV &&
1115  (track->par->codec_id == AV_CODEC_ID_AAC ||
1116  track->par->codec_id == AV_CODEC_ID_AC3 ||
1117  track->par->codec_id == AV_CODEC_ID_EAC3 ||
1118  track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1119  track->par->codec_id == AV_CODEC_ID_ALAC ||
1120  track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1121  track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1122  track->par->codec_id == AV_CODEC_ID_QDM2 ||
1123  (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1124  (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1125  mov_write_wave_tag(s, pb, track);
1126  else if (track->tag == MKTAG('m','p','4','a'))
1127  mov_write_esds_tag(pb, track);
1128  else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1129  mov_write_amr_tag(pb, track);
1130  else if (track->par->codec_id == AV_CODEC_ID_AC3)
1131  mov_write_ac3_tag(pb, track);
1132  else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1133  mov_write_eac3_tag(pb, track);
1134  else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1135  mov_write_extradata_tag(pb, track);
1136  else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1137  mov_write_wfex_tag(s, pb, track);
1138  else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1139  mov_write_dfla_tag(pb, track);
1140  else if (track->par->codec_id == AV_CODEC_ID_OPUS)
1141  mov_write_dops_tag(pb, track);
1142  else if (track->vos_len > 0)
1143  mov_write_glbl_tag(pb, track);
1144 
1145  if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1146  mov_write_chan_tag(s, pb, track);
1147 
1148  if (mov->encryption_scheme != MOV_ENC_NONE) {
1149  ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1150  }
1151 
1152  return update_size(pb, pos);
1153 }
1154 
1156 {
1157  avio_wb32(pb, 0xf); /* size */
1158  ffio_wfourcc(pb, "d263");
1159  ffio_wfourcc(pb, "FFMP");
1160  avio_w8(pb, 0); /* decoder version */
1161  /* FIXME use AVCodecContext level/profile, when encoder will set values */
1162  avio_w8(pb, 0xa); /* level */
1163  avio_w8(pb, 0); /* profile */
1164  return 0xf;
1165 }
1166 
1167 static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
1168 {
1169  int64_t pos = avio_tell(pb);
1170 
1171  avio_wb32(pb, 0);
1172  ffio_wfourcc(pb, "av1C");
1173  ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
1174  return update_size(pb, pos);
1175 }
1176 
1177 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1178 {
1179  int64_t pos = avio_tell(pb);
1180 
1181  avio_wb32(pb, 0);
1182  ffio_wfourcc(pb, "avcC");
1183  ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1184  return update_size(pb, pos);
1185 }
1186 
1188 {
1189  int64_t pos = avio_tell(pb);
1190 
1191  avio_wb32(pb, 0);
1192  ffio_wfourcc(pb, "vpcC");
1193  avio_w8(pb, 1); /* version */
1194  avio_wb24(pb, 0); /* flags */
1195  ff_isom_write_vpcc(s, pb, track->par);
1196  return update_size(pb, pos);
1197 }
1198 
1199 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1200 {
1201  int64_t pos = avio_tell(pb);
1202 
1203  avio_wb32(pb, 0);
1204  ffio_wfourcc(pb, "hvcC");
1205  if (track->tag == MKTAG('h','v','c','1'))
1206  ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
1207  else
1208  ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1209  return update_size(pb, pos);
1210 }
1211 
1212 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1213 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1214 {
1215  int i;
1216  int interlaced;
1217  int cid;
1218  int display_width = track->par->width;
1219 
1220  if (track->vos_data && track->vos_len > 0x29) {
1221  if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1222  /* looks like a DNxHD bit stream */
1223  interlaced = (track->vos_data[5] & 2);
1224  cid = AV_RB32(track->vos_data + 0x28);
1225  } else {
1226  av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1227  return 0;
1228  }
1229  } else {
1230  av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1231  return 0;
1232  }
1233 
1234  avio_wb32(pb, 24); /* size */
1235  ffio_wfourcc(pb, "ACLR");
1236  ffio_wfourcc(pb, "ACLR");
1237  ffio_wfourcc(pb, "0001");
1238  if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1240  avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1241  } else { /* Full range (0-255) */
1242  avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1243  }
1244  avio_wb32(pb, 0); /* unknown */
1245 
1246  if (track->tag == MKTAG('A','V','d','h')) {
1247  avio_wb32(pb, 32);
1248  ffio_wfourcc(pb, "ADHR");
1249  ffio_wfourcc(pb, "0001");
1250  avio_wb32(pb, cid);
1251  avio_wb32(pb, 0); /* unknown */
1252  avio_wb32(pb, 1); /* unknown */
1253  avio_wb32(pb, 0); /* unknown */
1254  avio_wb32(pb, 0); /* unknown */
1255  return 0;
1256  }
1257 
1258  avio_wb32(pb, 24); /* size */
1259  ffio_wfourcc(pb, "APRG");
1260  ffio_wfourcc(pb, "APRG");
1261  ffio_wfourcc(pb, "0001");
1262  avio_wb32(pb, 1); /* unknown */
1263  avio_wb32(pb, 0); /* unknown */
1264 
1265  avio_wb32(pb, 120); /* size */
1266  ffio_wfourcc(pb, "ARES");
1267  ffio_wfourcc(pb, "ARES");
1268  ffio_wfourcc(pb, "0001");
1269  avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1270  if ( track->par->sample_aspect_ratio.num > 0
1271  && track->par->sample_aspect_ratio.den > 0)
1272  display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1273  avio_wb32(pb, display_width);
1274  /* values below are based on samples created with quicktime and avid codecs */
1275  if (interlaced) {
1276  avio_wb32(pb, track->par->height / 2);
1277  avio_wb32(pb, 2); /* unknown */
1278  avio_wb32(pb, 0); /* unknown */
1279  avio_wb32(pb, 4); /* unknown */
1280  } else {
1281  avio_wb32(pb, track->par->height);
1282  avio_wb32(pb, 1); /* unknown */
1283  avio_wb32(pb, 0); /* unknown */
1284  if (track->par->height == 1080)
1285  avio_wb32(pb, 5); /* unknown */
1286  else
1287  avio_wb32(pb, 6); /* unknown */
1288  }
1289  /* padding */
1290  for (i = 0; i < 10; i++)
1291  avio_wb64(pb, 0);
1292 
1293  return 0;
1294 }
1295 
1296 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1297 {
1298  avio_wb32(pb, 12);
1299  ffio_wfourcc(pb, "DpxE");
1300  if (track->par->extradata_size >= 12 &&
1301  !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1302  avio_wb32(pb, track->par->extradata[11]);
1303  } else {
1304  avio_wb32(pb, 1);
1305  }
1306  return 0;
1307 }
1308 
1310 {
1311  int tag;
1312 
1313  if (track->par->width == 720) { /* SD */
1314  if (track->par->height == 480) { /* NTSC */
1315  if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1316  else tag = MKTAG('d','v','c',' ');
1317  }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1318  else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1319  else tag = MKTAG('d','v','p','p');
1320  } else if (track->par->height == 720) { /* HD 720 line */
1321  if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1322  else tag = MKTAG('d','v','h','p');
1323  } else if (track->par->height == 1080) { /* HD 1080 line */
1324  if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1325  else tag = MKTAG('d','v','h','6');
1326  } else {
1327  av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1328  return 0;
1329  }
1330 
1331  return tag;
1332 }
1333 
1335 {
1336  AVRational rate = st->avg_frame_rate;
1337 
1338 #if FF_API_LAVF_AVCTX
1340  rate = av_inv_q(st->codec->time_base);
1341  if (av_timecode_check_frame_rate(rate) < 0) {
1342  av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1343  rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1344  rate = st->avg_frame_rate;
1345  }
1347 #endif
1348 
1349  return rate;
1350 }
1351 
1353 {
1354  AVRational rational_framerate = find_fps(s, st);
1355  int rate = 0;
1356  if (rational_framerate.den != 0)
1357  rate = av_q2d(rational_framerate);
1358  return rate;
1359 }
1360 
1362 {
1363  int tag = track->par->codec_tag;
1365  AVStream *st = track->st;
1366  int rate = defined_frame_rate(s, st);
1367 
1368  if (!tag)
1369  tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1370 
1371  if (track->par->format == AV_PIX_FMT_YUV420P) {
1372  if (track->par->width == 1280 && track->par->height == 720) {
1373  if (!interlaced) {
1374  if (rate == 24) tag = MKTAG('x','d','v','4');
1375  else if (rate == 25) tag = MKTAG('x','d','v','5');
1376  else if (rate == 30) tag = MKTAG('x','d','v','1');
1377  else if (rate == 50) tag = MKTAG('x','d','v','a');
1378  else if (rate == 60) tag = MKTAG('x','d','v','9');
1379  }
1380  } else if (track->par->width == 1440 && track->par->height == 1080) {
1381  if (!interlaced) {
1382  if (rate == 24) tag = MKTAG('x','d','v','6');
1383  else if (rate == 25) tag = MKTAG('x','d','v','7');
1384  else if (rate == 30) tag = MKTAG('x','d','v','8');
1385  } else {
1386  if (rate == 25) tag = MKTAG('x','d','v','3');
1387  else if (rate == 30) tag = MKTAG('x','d','v','2');
1388  }
1389  } else if (track->par->width == 1920 && track->par->height == 1080) {
1390  if (!interlaced) {
1391  if (rate == 24) tag = MKTAG('x','d','v','d');
1392  else if (rate == 25) tag = MKTAG('x','d','v','e');
1393  else if (rate == 30) tag = MKTAG('x','d','v','f');
1394  } else {
1395  if (rate == 25) tag = MKTAG('x','d','v','c');
1396  else if (rate == 30) tag = MKTAG('x','d','v','b');
1397  }
1398  }
1399  } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1400  if (track->par->width == 1280 && track->par->height == 720) {
1401  if (!interlaced) {
1402  if (rate == 24) tag = MKTAG('x','d','5','4');
1403  else if (rate == 25) tag = MKTAG('x','d','5','5');
1404  else if (rate == 30) tag = MKTAG('x','d','5','1');
1405  else if (rate == 50) tag = MKTAG('x','d','5','a');
1406  else if (rate == 60) tag = MKTAG('x','d','5','9');
1407  }
1408  } else if (track->par->width == 1920 && track->par->height == 1080) {
1409  if (!interlaced) {
1410  if (rate == 24) tag = MKTAG('x','d','5','d');
1411  else if (rate == 25) tag = MKTAG('x','d','5','e');
1412  else if (rate == 30) tag = MKTAG('x','d','5','f');
1413  } else {
1414  if (rate == 25) tag = MKTAG('x','d','5','c');
1415  else if (rate == 30) tag = MKTAG('x','d','5','b');
1416  }
1417  }
1418  }
1419 
1420  return tag;
1421 }
1422 
1424 {
1425  int tag = track->par->codec_tag;
1427  AVStream *st = track->st;
1428  int rate = defined_frame_rate(s, st);
1429 
1430  if (!tag)
1431  tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1432 
1433  if (track->par->format == AV_PIX_FMT_YUV420P10) {
1434  if (track->par->width == 960 && track->par->height == 720) {
1435  if (!interlaced) {
1436  if (rate == 24) tag = MKTAG('a','i','5','p');
1437  else if (rate == 25) tag = MKTAG('a','i','5','q');
1438  else if (rate == 30) tag = MKTAG('a','i','5','p');
1439  else if (rate == 50) tag = MKTAG('a','i','5','q');
1440  else if (rate == 60) tag = MKTAG('a','i','5','p');
1441  }
1442  } else if (track->par->width == 1440 && track->par->height == 1080) {
1443  if (!interlaced) {
1444  if (rate == 24) tag = MKTAG('a','i','5','3');
1445  else if (rate == 25) tag = MKTAG('a','i','5','2');
1446  else if (rate == 30) tag = MKTAG('a','i','5','3');
1447  } else {
1448  if (rate == 50) tag = MKTAG('a','i','5','5');
1449  else if (rate == 60) tag = MKTAG('a','i','5','6');
1450  }
1451  }
1452  } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1453  if (track->par->width == 1280 && track->par->height == 720) {
1454  if (!interlaced) {
1455  if (rate == 24) tag = MKTAG('a','i','1','p');
1456  else if (rate == 25) tag = MKTAG('a','i','1','q');
1457  else if (rate == 30) tag = MKTAG('a','i','1','p');
1458  else if (rate == 50) tag = MKTAG('a','i','1','q');
1459  else if (rate == 60) tag = MKTAG('a','i','1','p');
1460  }
1461  } else if (track->par->width == 1920 && track->par->height == 1080) {
1462  if (!interlaced) {
1463  if (rate == 24) tag = MKTAG('a','i','1','3');
1464  else if (rate == 25) tag = MKTAG('a','i','1','2');
1465  else if (rate == 30) tag = MKTAG('a','i','1','3');
1466  } else {
1467  if (rate == 25) tag = MKTAG('a','i','1','5');
1468  else if (rate == 50) tag = MKTAG('a','i','1','5');
1469  else if (rate == 60) tag = MKTAG('a','i','1','6');
1470  }
1471  } else if ( track->par->width == 4096 && track->par->height == 2160
1472  || track->par->width == 3840 && track->par->height == 2160
1473  || track->par->width == 2048 && track->par->height == 1080) {
1474  tag = MKTAG('a','i','v','x');
1475  }
1476  }
1477 
1478  return tag;
1479 }
1480 
1481 static const struct {
1483  uint32_t tag;
1484  unsigned bps;
1485 } mov_pix_fmt_tags[] = {
1486  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1487  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1488  { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1489  { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1490  { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1491  { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1492  { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1493  { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1494  { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1495  { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1496  { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1497  { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1498  { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1499  { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1500  { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1501 };
1502 
1504 {
1505  int tag = MKTAG('A','V','d','n');
1506  if (track->par->profile != FF_PROFILE_UNKNOWN &&
1507  track->par->profile != FF_PROFILE_DNXHD)
1508  tag = MKTAG('A','V','d','h');
1509  return tag;
1510 }
1511 
1513 {
1514  int tag = track->par->codec_tag;
1515  int i;
1516  enum AVPixelFormat pix_fmt;
1517 
1518  for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1519  if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1520  tag = mov_pix_fmt_tags[i].tag;
1521  track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1522  if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1523  break;
1524  }
1525  }
1526 
1528  track->par->bits_per_coded_sample);
1529  if (tag == MKTAG('r','a','w',' ') &&
1530  track->par->format != pix_fmt &&
1531  track->par->format != AV_PIX_FMT_GRAY8 &&
1532  track->par->format != AV_PIX_FMT_NONE)
1533  av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1534  av_get_pix_fmt_name(track->par->format));
1535  return tag;
1536 }
1537 
1538 static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1539 {
1540  unsigned int tag = track->par->codec_tag;
1541 
1542  if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1543  (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1544  track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1545  track->par->codec_id == AV_CODEC_ID_H263 ||
1546  track->par->codec_id == AV_CODEC_ID_H264 ||
1547  track->par->codec_id == AV_CODEC_ID_DNXHD ||
1548  track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1549  av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1550  if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1551  tag = mov_get_dv_codec_tag(s, track);
1552  else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1553  tag = mov_get_rawvideo_codec_tag(s, track);
1554  else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1555  tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1556  else if (track->par->codec_id == AV_CODEC_ID_H264)
1557  tag = mov_get_h264_codec_tag(s, track);
1558  else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1559  tag = mov_get_dnxhd_codec_tag(s, track);
1560  else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1562  if (!tag) { // if no mac fcc found, try with Microsoft tags
1564  if (tag)
1565  av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1566  "the file may be unplayable!\n");
1567  }
1568  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1570  if (!tag) { // if no mac fcc found, try with Microsoft tags
1571  int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1572  if (ms_tag) {
1573  tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1574  av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1575  "the file may be unplayable!\n");
1576  }
1577  }
1578  } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1580  }
1581 
1582  return tag;
1583 }
1584 
1586  { AV_CODEC_ID_MJPEG, 0xD },
1587  { AV_CODEC_ID_PNG, 0xE },
1588  { AV_CODEC_ID_BMP, 0x1B },
1589  { AV_CODEC_ID_NONE, 0 },
1590 };
1591 
1592 static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
1593  unsigned int tag, int codec_id)
1594 {
1595  int i;
1596 
1597  /**
1598  * Check that tag + id is in the table
1599  */
1600  for (i = 0; tags && tags[i]; i++) {
1601  const AVCodecTag *codec_tags = tags[i];
1602  while (codec_tags->id != AV_CODEC_ID_NONE) {
1603  if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
1604  codec_tags->id == codec_id)
1605  return codec_tags->tag;
1606  codec_tags++;
1607  }
1608  }
1609  return 0;
1610 }
1611 
1612 static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1613 {
1614  if (is_cover_image(track->st))
1615  return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
1616 
1617  if (track->mode == MODE_IPOD)
1618  if (!av_match_ext(s->url, "m4a") &&
1619  !av_match_ext(s->url, "m4v") &&
1620  !av_match_ext(s->url, "m4b"))
1621  av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
1622  "Quicktime/Ipod might not play the file\n");
1623 
1624  if (track->mode == MODE_MOV) {
1625  return mov_get_codec_tag(s, track);
1626  } else
1627  return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
1628  track->par->codec_id);
1629 }
1630 
1631 /** Write uuid atom.
1632  * Needed to make file play in iPods running newest firmware
1633  * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1634  */
1636 {
1637  avio_wb32(pb, 28);
1638  ffio_wfourcc(pb, "uuid");
1639  avio_wb32(pb, 0x6b6840f2);
1640  avio_wb32(pb, 0x5f244fc5);
1641  avio_wb32(pb, 0xba39a51b);
1642  avio_wb32(pb, 0xcf0323f3);
1643  avio_wb32(pb, 0x0);
1644  return 28;
1645 }
1646 
1647 static const uint16_t fiel_data[] = {
1648  0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1649 };
1650 
1651 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1652 {
1653  unsigned mov_field_order = 0;
1654  if (field_order < FF_ARRAY_ELEMS(fiel_data))
1655  mov_field_order = fiel_data[field_order];
1656  else
1657  return 0;
1658  avio_wb32(pb, 10);
1659  ffio_wfourcc(pb, "fiel");
1660  avio_wb16(pb, mov_field_order);
1661  return 10;
1662 }
1663 
1665 {
1666  int64_t pos = avio_tell(pb);
1667  avio_wb32(pb, 0); /* size */
1668  avio_wl32(pb, track->tag); // store it byteswapped
1669  avio_wb32(pb, 0); /* Reserved */
1670  avio_wb16(pb, 0); /* Reserved */
1671  avio_wb16(pb, 1); /* Data-reference index */
1672 
1673  if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1674  mov_write_esds_tag(pb, track);
1675  else if (track->par->extradata_size)
1676  avio_write(pb, track->par->extradata, track->par->extradata_size);
1677 
1678  return update_size(pb, pos);
1679 }
1680 
1681 static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
1682 {
1683  int8_t stereo_mode;
1684 
1685  if (stereo_3d->flags != 0) {
1686  av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1687  return 0;
1688  }
1689 
1690  switch (stereo_3d->type) {
1691  case AV_STEREO3D_2D:
1692  stereo_mode = 0;
1693  break;
1694  case AV_STEREO3D_TOPBOTTOM:
1695  stereo_mode = 1;
1696  break;
1698  stereo_mode = 2;
1699  break;
1700  default:
1701  av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1702  return 0;
1703  }
1704  avio_wb32(pb, 13); /* size */
1705  ffio_wfourcc(pb, "st3d");
1706  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1707  avio_w8(pb, stereo_mode);
1708  return 13;
1709 }
1710 
1712 {
1713  int64_t sv3d_pos, svhd_pos, proj_pos;
1714  const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1715 
1716  if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1717  spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1718  spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1719  av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1720  return 0;
1721  }
1722 
1723  sv3d_pos = avio_tell(pb);
1724  avio_wb32(pb, 0); /* size */
1725  ffio_wfourcc(pb, "sv3d");
1726 
1727  svhd_pos = avio_tell(pb);
1728  avio_wb32(pb, 0); /* size */
1729  ffio_wfourcc(pb, "svhd");
1730  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1731  avio_put_str(pb, metadata_source);
1732  update_size(pb, svhd_pos);
1733 
1734  proj_pos = avio_tell(pb);
1735  avio_wb32(pb, 0); /* size */
1736  ffio_wfourcc(pb, "proj");
1737 
1738  avio_wb32(pb, 24); /* size */
1739  ffio_wfourcc(pb, "prhd");
1740  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1741  avio_wb32(pb, spherical_mapping->yaw);
1742  avio_wb32(pb, spherical_mapping->pitch);
1743  avio_wb32(pb, spherical_mapping->roll);
1744 
1745  switch (spherical_mapping->projection) {
1748  avio_wb32(pb, 28); /* size */
1749  ffio_wfourcc(pb, "equi");
1750  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1751  avio_wb32(pb, spherical_mapping->bound_top);
1752  avio_wb32(pb, spherical_mapping->bound_bottom);
1753  avio_wb32(pb, spherical_mapping->bound_left);
1754  avio_wb32(pb, spherical_mapping->bound_right);
1755  break;
1756  case AV_SPHERICAL_CUBEMAP:
1757  avio_wb32(pb, 20); /* size */
1758  ffio_wfourcc(pb, "cbmp");
1759  avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1760  avio_wb32(pb, 0); /* layout */
1761  avio_wb32(pb, spherical_mapping->padding); /* padding */
1762  break;
1763  }
1764  update_size(pb, proj_pos);
1765 
1766  return update_size(pb, sv3d_pos);
1767 }
1768 
1769 static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
1770 {
1771  avio_wb32(pb, 40);
1772  ffio_wfourcc(pb, "clap");
1773  avio_wb32(pb, track->par->width); /* apertureWidth_N */
1774  avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
1775  avio_wb32(pb, track->height); /* apertureHeight_N */
1776  avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
1777  avio_wb32(pb, 0); /* horizOff_N (= 0) */
1778  avio_wb32(pb, 1); /* horizOff_D (= 1) */
1779  avio_wb32(pb, 0); /* vertOff_N (= 0) */
1780  avio_wb32(pb, 1); /* vertOff_D (= 1) */
1781  return 40;
1782 }
1783 
1784 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1785 {
1786  AVRational sar;
1787  av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1788  track->par->sample_aspect_ratio.den, INT_MAX);
1789 
1790  avio_wb32(pb, 16);
1791  ffio_wfourcc(pb, "pasp");
1792  avio_wb32(pb, sar.num);
1793  avio_wb32(pb, sar.den);
1794  return 16;
1795 }
1796 
1797 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1798 {
1799  uint32_t gama = 0;
1800  if (gamma <= 0.0)
1801  {
1802  gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1803  }
1804  av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1805 
1806  if (gamma > 1e-6) {
1807  gama = (uint32_t)lrint((double)(1<<16) * gamma);
1808  av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1809 
1810  av_assert0(track->mode == MODE_MOV);
1811  avio_wb32(pb, 12);
1812  ffio_wfourcc(pb, "gama");
1813  avio_wb32(pb, gama);
1814  return 12;
1815  }
1816  else {
1817  av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1818  }
1819  return 0;
1820 }
1821 
1822 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1823 {
1824  // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1825  // Ref (MP4): ISO/IEC 14496-12:2012
1826 
1827  if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1828  track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1829  track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1830  if ((track->par->width >= 1920 && track->par->height >= 1080)
1831  || (track->par->width == 1280 && track->par->height == 720)) {
1832  av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1834  } else if (track->par->width == 720 && track->height == 576) {
1835  av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1837  } else if (track->par->width == 720 &&
1838  (track->height == 486 || track->height == 480)) {
1839  av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1841  } else {
1842  av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1843  }
1844  switch (track->par->color_primaries) {
1845  case AVCOL_PRI_BT709:
1846  track->par->color_trc = AVCOL_TRC_BT709;
1847  track->par->color_space = AVCOL_SPC_BT709;
1848  break;
1849  case AVCOL_PRI_SMPTE170M:
1850  case AVCOL_PRI_BT470BG:
1851  track->par->color_trc = AVCOL_TRC_BT709;
1853  break;
1854  }
1855  }
1856 
1857  /* We should only ever be called by MOV or MP4. */
1858  av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1859 
1860  avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1861  ffio_wfourcc(pb, "colr");
1862  if (track->mode == MODE_MP4)
1863  ffio_wfourcc(pb, "nclx");
1864  else
1865  ffio_wfourcc(pb, "nclc");
1866  switch (track->par->color_primaries) {
1867  case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1868  case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1869  case AVCOL_PRI_SMPTE170M:
1870  case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1871  case AVCOL_PRI_BT2020: avio_wb16(pb, 9); break;
1872  case AVCOL_PRI_SMPTE431: avio_wb16(pb, 11); break;
1873  case AVCOL_PRI_SMPTE432: avio_wb16(pb, 12); break;
1874  default: avio_wb16(pb, 2);
1875  }
1876  switch (track->par->color_trc) {
1877  case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1878  case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1879  case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1880  case AVCOL_TRC_SMPTEST2084: avio_wb16(pb, 16); break;
1881  case AVCOL_TRC_SMPTE428: avio_wb16(pb, 17); break;
1882  case AVCOL_TRC_ARIB_STD_B67: avio_wb16(pb, 18); break;
1883  default: avio_wb16(pb, 2);
1884  }
1885  switch (track->par->color_space) {
1886  case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1887  case AVCOL_SPC_BT470BG:
1888  case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1889  case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1890  case AVCOL_SPC_BT2020_NCL: avio_wb16(pb, 9); break;
1891  default: avio_wb16(pb, 2);
1892  }
1893 
1894  if (track->mode == MODE_MP4) {
1895  int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1896  avio_w8(pb, full_range << 7);
1897  return 19;
1898  } else {
1899  return 18;
1900  }
1901 }
1902 
1903 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1904 {
1905  AVDictionaryEntry *encoder;
1906  int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1907  || (track->par->width == 1440 && track->par->height == 1080)
1908  || (track->par->width == 1920 && track->par->height == 1080);
1909 
1910  if (track->mode == MODE_MOV &&
1911  (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1912  av_strlcpy(compressor_name, encoder->value, 32);
1913  } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1915  AVStream *st = track->st;
1916  int rate = defined_frame_rate(NULL, st);
1917  av_strlcatf(compressor_name, len, "XDCAM");
1918  if (track->par->format == AV_PIX_FMT_YUV422P) {
1919  av_strlcatf(compressor_name, len, " HD422");
1920  } else if(track->par->width == 1440) {
1921  av_strlcatf(compressor_name, len, " HD");
1922  } else
1923  av_strlcatf(compressor_name, len, " EX");
1924 
1925  av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1926 
1927  av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1928  }
1929 }
1930 
1932 {
1933  int64_t pos = avio_tell(pb);
1934  char compressor_name[32] = { 0 };
1935  int avid = 0;
1936 
1937  int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
1938  || (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
1939  || track->par->codec_id == AV_CODEC_ID_V308
1940  || track->par->codec_id == AV_CODEC_ID_V408
1941  || track->par->codec_id == AV_CODEC_ID_V410
1942  || track->par->codec_id == AV_CODEC_ID_V210);
1943 
1944  avio_wb32(pb, 0); /* size */
1945  if (mov->encryption_scheme != MOV_ENC_NONE) {
1946  ffio_wfourcc(pb, "encv");
1947  } else {
1948  avio_wl32(pb, track->tag); // store it byteswapped
1949  }
1950  avio_wb32(pb, 0); /* Reserved */
1951  avio_wb16(pb, 0); /* Reserved */
1952  avio_wb16(pb, 1); /* Data-reference index */
1953 
1954  if (uncompressed_ycbcr) {
1955  avio_wb16(pb, 2); /* Codec stream version */
1956  } else {
1957  avio_wb16(pb, 0); /* Codec stream version */
1958  }
1959  avio_wb16(pb, 0); /* Codec stream revision (=0) */
1960  if (track->mode == MODE_MOV) {
1961  ffio_wfourcc(pb, "FFMP"); /* Vendor */
1962  if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
1963  avio_wb32(pb, 0); /* Temporal Quality */
1964  avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1965  } else {
1966  avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1967  avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1968  }
1969  } else {
1970  avio_wb32(pb, 0); /* Reserved */
1971  avio_wb32(pb, 0); /* Reserved */
1972  avio_wb32(pb, 0); /* Reserved */
1973  }
1974  avio_wb16(pb, track->par->width); /* Video width */
1975  avio_wb16(pb, track->height); /* Video height */
1976  avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1977  avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1978  avio_wb32(pb, 0); /* Data size (= 0) */
1979  avio_wb16(pb, 1); /* Frame count (= 1) */
1980 
1981  /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1982  find_compressor(compressor_name, 32, track);
1983  avio_w8(pb, strlen(compressor_name));
1984  avio_write(pb, compressor_name, 31);
1985 
1986  if (track->mode == MODE_MOV &&
1987  (track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
1988  avio_wb16(pb, 0x18);
1989  else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1990  avio_wb16(pb, track->par->bits_per_coded_sample |
1991  (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1992  else
1993  avio_wb16(pb, 0x18); /* Reserved */
1994 
1995  if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1996  int pal_size = 1 << track->par->bits_per_coded_sample;
1997  int i;
1998  avio_wb16(pb, 0); /* Color table ID */
1999  avio_wb32(pb, 0); /* Color table seed */
2000  avio_wb16(pb, 0x8000); /* Color table flags */
2001  avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
2002  for (i = 0; i < pal_size; i++) {
2003  uint32_t rgb = track->palette[i];
2004  uint16_t r = (rgb >> 16) & 0xff;
2005  uint16_t g = (rgb >> 8) & 0xff;
2006  uint16_t b = rgb & 0xff;
2007  avio_wb16(pb, 0);
2008  avio_wb16(pb, (r << 8) | r);
2009  avio_wb16(pb, (g << 8) | g);
2010  avio_wb16(pb, (b << 8) | b);
2011  }
2012  } else
2013  avio_wb16(pb, 0xffff); /* Reserved */
2014 
2015  if (track->tag == MKTAG('m','p','4','v'))
2016  mov_write_esds_tag(pb, track);
2017  else if (track->par->codec_id == AV_CODEC_ID_H263)
2018  mov_write_d263_tag(pb);
2019  else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
2020  track->par->codec_id == AV_CODEC_ID_SVQ3) {
2021  mov_write_extradata_tag(pb, track);
2022  avio_wb32(pb, 0);
2023  } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
2024  mov_write_avid_tag(pb, track);
2025  avid = 1;
2026  } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
2027  mov_write_hvcc_tag(pb, track);
2028  else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
2029  mov_write_avcc_tag(pb, track);
2030  if (track->mode == MODE_IPOD)
2032  } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
2033  mov_write_vpcc_tag(mov->fc, pb, track);
2034  } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
2035  mov_write_av1c_tag(pb, track);
2036  } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
2037  mov_write_dvc1_tag(pb, track);
2038  else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
2039  track->par->codec_id == AV_CODEC_ID_VP6A) {
2040  /* Don't write any potential extradata here - the cropping
2041  * is signalled via the normal width/height fields. */
2042  } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
2043  if (track->par->codec_tag == MKTAG('R','1','0','k'))
2044  mov_write_dpxe_tag(pb, track);
2045  } else if (track->vos_len > 0)
2046  mov_write_glbl_tag(pb, track);
2047 
2048  if (track->par->codec_id != AV_CODEC_ID_H264 &&
2049  track->par->codec_id != AV_CODEC_ID_MPEG4 &&
2050  track->par->codec_id != AV_CODEC_ID_DNXHD) {
2051  int field_order = track->par->field_order;
2052 
2053 #if FF_API_LAVF_AVCTX
2055  if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
2056  field_order = track->st->codec->field_order;
2058 #endif
2059 
2060  if (field_order != AV_FIELD_UNKNOWN)
2061  mov_write_fiel_tag(pb, track, field_order);
2062  }
2063 
2064  if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
2065  if (track->mode == MODE_MOV)
2066  mov_write_gama_tag(pb, track, mov->gamma);
2067  else
2068  av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
2069  }
2070  if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
2071  if (track->mode == MODE_MOV || track->mode == MODE_MP4)
2072  mov_write_colr_tag(pb, track);
2073  else
2074  av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
2075  }
2076 
2077  if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
2080 
2081  if (stereo_3d)
2082  mov_write_st3d_tag(pb, stereo_3d);
2083  if (spherical_mapping)
2084  mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
2085  }
2086 
2087  if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
2088  mov_write_pasp_tag(pb, track);
2089  }
2090 
2091  if (uncompressed_ycbcr){
2092  mov_write_clap_tag(pb, track);
2093  }
2094 
2095  if (mov->encryption_scheme != MOV_ENC_NONE) {
2096  ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
2097  }
2098 
2099  /* extra padding for avid stsd */
2100  /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
2101  if (avid)
2102  avio_wb32(pb, 0);
2103 
2104  return update_size(pb, pos);
2105 }
2106 
2107 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
2108 {
2109  int64_t pos = avio_tell(pb);
2110  avio_wb32(pb, 0); /* size */
2111  ffio_wfourcc(pb, "rtp ");
2112  avio_wb32(pb, 0); /* Reserved */
2113  avio_wb16(pb, 0); /* Reserved */
2114  avio_wb16(pb, 1); /* Data-reference index */
2115 
2116  avio_wb16(pb, 1); /* Hint track version */
2117  avio_wb16(pb, 1); /* Highest compatible version */
2118  avio_wb32(pb, track->max_packet_size); /* Max packet size */
2119 
2120  avio_wb32(pb, 12); /* size */
2121  ffio_wfourcc(pb, "tims");
2122  avio_wb32(pb, track->timescale);
2123 
2124  return update_size(pb, pos);
2125 }
2126 
2127 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2128 {
2129  uint64_t str_size =strlen(reel_name);
2130  int64_t pos = avio_tell(pb);
2131 
2132  if (str_size >= UINT16_MAX){
2133  av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2134  avio_wb16(pb, 0);
2135  return AVERROR(EINVAL);
2136  }
2137 
2138  avio_wb32(pb, 0); /* size */
2139  ffio_wfourcc(pb, "name"); /* Data format */
2140  avio_wb16(pb, str_size); /* string size */
2141  avio_wb16(pb, track->language); /* langcode */
2142  avio_write(pb, reel_name, str_size); /* reel name */
2143  return update_size(pb,pos);
2144 }
2145 
2146 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2147 {
2148  int64_t pos = avio_tell(pb);
2149 #if 1
2150  int frame_duration;
2151  int nb_frames;
2152  AVDictionaryEntry *t = NULL;
2153 
2154  if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2155 #if FF_API_LAVF_AVCTX
2157  frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2158  nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2160 #else
2161  av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2162  return AVERROR(EINVAL);
2163 #endif
2164  } else {
2165  frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2166  nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2167  }
2168 
2169  if (nb_frames > 255) {
2170  av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2171  return AVERROR(EINVAL);
2172  }
2173 
2174  avio_wb32(pb, 0); /* size */
2175  ffio_wfourcc(pb, "tmcd"); /* Data format */
2176  avio_wb32(pb, 0); /* Reserved */
2177  avio_wb32(pb, 1); /* Data reference index */
2178  avio_wb32(pb, 0); /* Flags */
2179  avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2180  avio_wb32(pb, track->timescale); /* Timescale */
2181  avio_wb32(pb, frame_duration); /* Frame duration */
2182  avio_w8(pb, nb_frames); /* Number of frames */
2183  avio_w8(pb, 0); /* Reserved */
2184 
2185  t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2186  if (t && utf8len(t->value) && track->mode != MODE_MP4)
2187  mov_write_source_reference_tag(pb, track, t->value);
2188  else
2189  avio_wb16(pb, 0); /* zero size */
2190 #else
2191 
2192  avio_wb32(pb, 0); /* size */
2193  ffio_wfourcc(pb, "tmcd"); /* Data format */
2194  avio_wb32(pb, 0); /* Reserved */
2195  avio_wb32(pb, 1); /* Data reference index */
2196  if (track->par->extradata_size)
2197  avio_write(pb, track->par->extradata, track->par->extradata_size);
2198 #endif
2199  return update_size(pb, pos);
2200 }
2201 
2202 static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
2203 {
2204  int64_t pos = avio_tell(pb);
2205  avio_wb32(pb, 0); /* size */
2206  ffio_wfourcc(pb, "gpmd");
2207  avio_wb32(pb, 0); /* Reserved */
2208  avio_wb16(pb, 0); /* Reserved */
2209  avio_wb16(pb, 1); /* Data-reference index */
2210  avio_wb32(pb, 0); /* Reserved */
2211  return update_size(pb, pos);
2212 }
2213 
2215 {
2216  int64_t pos = avio_tell(pb);
2217  avio_wb32(pb, 0); /* size */
2218  ffio_wfourcc(pb, "stsd");
2219  avio_wb32(pb, 0); /* version & flags */
2220  avio_wb32(pb, 1); /* entry count */
2221  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2222  mov_write_video_tag(pb, mov, track);
2223  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2224  mov_write_audio_tag(s, pb, mov, track);
2225  else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2226  mov_write_subtitle_tag(pb, track);
2227  else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2228  mov_write_rtp_tag(pb, track);
2229  else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2230  mov_write_tmcd_tag(pb, track);
2231  else if (track->par->codec_tag == MKTAG('g','p','m','d'))
2232  mov_write_gpmd_tag(pb, track);
2233  return update_size(pb, pos);
2234 }
2235 
2237 {
2238  MOVMuxContext *mov = s->priv_data;
2239  MOVStts *ctts_entries;
2240  uint32_t entries = 0;
2241  uint32_t atom_size;
2242  int i;
2243 
2244  ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2245  if (!ctts_entries)
2246  return AVERROR(ENOMEM);
2247  ctts_entries[0].count = 1;
2248  ctts_entries[0].duration = track->cluster[0].cts;
2249  for (i = 1; i < track->entry; i++) {
2250  if (track->cluster[i].cts == ctts_entries[entries].duration) {
2251  ctts_entries[entries].count++; /* compress */
2252  } else {
2253  entries++;
2254  ctts_entries[entries].duration = track->cluster[i].cts;
2255  ctts_entries[entries].count = 1;
2256  }
2257  }
2258  entries++; /* last one */
2259  atom_size = 16 + (entries * 8);
2260  avio_wb32(pb, atom_size); /* size */
2261  ffio_wfourcc(pb, "ctts");
2263  avio_w8(pb, 1); /* version */
2264  else
2265  avio_w8(pb, 0); /* version */
2266  avio_wb24(pb, 0); /* flags */
2267  avio_wb32(pb, entries); /* entry count */
2268  for (i = 0; i < entries; i++) {
2269  avio_wb32(pb, ctts_entries[i].count);
2270  avio_wb32(pb, ctts_entries[i].duration);
2271  }
2272  av_free(ctts_entries);
2273  return atom_size;
2274 }
2275 
2276 /* Time to sample atom */
2277 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2278 {
2279  MOVStts *stts_entries = NULL;
2280  uint32_t entries = -1;
2281  uint32_t atom_size;
2282  int i;
2283 
2284  if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2285  stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2286  if (!stts_entries)
2287  return AVERROR(ENOMEM);
2288  stts_entries[0].count = track->sample_count;
2289  stts_entries[0].duration = 1;
2290  entries = 1;
2291  } else {
2292  if (track->entry) {
2293  stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2294  if (!stts_entries)
2295  return AVERROR(ENOMEM);
2296  }
2297  for (i = 0; i < track->entry; i++) {
2298  int duration = get_cluster_duration(track, i);
2299  if (i && duration == stts_entries[entries].duration) {
2300  stts_entries[entries].count++; /* compress */
2301  } else {
2302  entries++;
2303  stts_entries[entries].duration = duration;
2304  stts_entries[entries].count = 1;
2305  }
2306  }
2307  entries++; /* last one */
2308  }
2309  atom_size = 16 + (entries * 8);
2310  avio_wb32(pb, atom_size); /* size */
2311  ffio_wfourcc(pb, "stts");
2312  avio_wb32(pb, 0); /* version & flags */
2313  avio_wb32(pb, entries); /* entry count */
2314  for (i = 0; i < entries; i++) {
2315  avio_wb32(pb, stts_entries[i].count);
2316  avio_wb32(pb, stts_entries[i].duration);
2317  }
2318  av_free(stts_entries);
2319  return atom_size;
2320 }
2321 
2323 {
2324  avio_wb32(pb, 28); /* size */
2325  ffio_wfourcc(pb, "dref");
2326  avio_wb32(pb, 0); /* version & flags */
2327  avio_wb32(pb, 1); /* entry count */
2328 
2329  avio_wb32(pb, 0xc); /* size */
2330  //FIXME add the alis and rsrc atom
2331  ffio_wfourcc(pb, "url ");
2332  avio_wb32(pb, 1); /* version & flags */
2333 
2334  return 28;
2335 }
2336 
2338 {
2339  struct sgpd_entry {
2340  int count;
2341  int16_t roll_distance;
2342  int group_description_index;
2343  };
2344 
2345  struct sgpd_entry *sgpd_entries = NULL;
2346  int entries = -1;
2347  int group = 0;
2348  int i, j;
2349 
2350  const int OPUS_SEEK_PREROLL_MS = 80;
2351  int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
2352  (AVRational){1, 1000},
2353  (AVRational){1, 48000});
2354 
2355  if (!track->entry)
2356  return 0;
2357 
2358  sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
2359  if (!sgpd_entries)
2360  return AVERROR(ENOMEM);
2361 
2363 
2364  if (track->par->codec_id == AV_CODEC_ID_OPUS) {
2365  for (i = 0; i < track->entry; i++) {
2366  int roll_samples_remaining = roll_samples;
2367  int distance = 0;
2368  for (j = i - 1; j >= 0; j--) {
2369  roll_samples_remaining -= get_cluster_duration(track, j);
2370  distance++;
2371  if (roll_samples_remaining <= 0)
2372  break;
2373  }
2374  /* We don't have enough preceeding samples to compute a valid
2375  roll_distance here, so this sample can't be independently
2376  decoded. */
2377  if (roll_samples_remaining > 0)
2378  distance = 0;
2379  /* Verify distance is a maximum of 32 (2.5ms) packets. */
2380  if (distance > 32)
2381  return AVERROR_INVALIDDATA;
2382  if (i && distance == sgpd_entries[entries].roll_distance) {
2383  sgpd_entries[entries].count++;
2384  } else {
2385  entries++;
2386  sgpd_entries[entries].count = 1;
2387  sgpd_entries[entries].roll_distance = distance;
2388  sgpd_entries[entries].group_description_index = distance ? ++group : 0;
2389  }
2390  }
2391  } else {
2392  entries++;
2393  sgpd_entries[entries].count = track->sample_count;
2394  sgpd_entries[entries].roll_distance = 1;
2395  sgpd_entries[entries].group_description_index = ++group;
2396  }
2397  entries++;
2398 
2399  if (!group) {
2400  av_free(sgpd_entries);
2401  return 0;
2402  }
2403 
2404  /* Write sgpd tag */
2405  avio_wb32(pb, 24 + (group * 2)); /* size */
2406  ffio_wfourcc(pb, "sgpd");
2407  avio_wb32(pb, 1 << 24); /* fullbox */
2408  ffio_wfourcc(pb, "roll");
2409  avio_wb32(pb, 2); /* default_length */
2410  avio_wb32(pb, group); /* entry_count */
2411  for (i = 0; i < entries; i++) {
2412  if (sgpd_entries[i].group_description_index) {
2413  avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
2414  }
2415  }
2416 
2417  /* Write sbgp tag */
2418  avio_wb32(pb, 20 + (entries * 8)); /* size */
2419  ffio_wfourcc(pb, "sbgp");
2420  avio_wb32(pb, 0); /* fullbox */
2421  ffio_wfourcc(pb, "roll");
2422  avio_wb32(pb, entries); /* entry_count */
2423  for (i = 0; i < entries; i++) {
2424  avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
2425  avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
2426  }
2427 
2428  av_free(sgpd_entries);
2429  return 0;
2430 }
2431 
2433 {
2434  int64_t pos = avio_tell(pb);
2435  int ret;
2436 
2437  avio_wb32(pb, 0); /* size */
2438  ffio_wfourcc(pb, "stbl");
2439  mov_write_stsd_tag(s, pb, mov, track);
2440  mov_write_stts_tag(pb, track);
2441  if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2442  track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2443  track->has_keyframes && track->has_keyframes < track->entry)
2444  mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2445  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
2446  mov_write_sdtp_tag(pb, track);
2447  if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2449  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2450  track->flags & MOV_TRACK_CTTS && track->entry) {
2451 
2452  if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
2453  return ret;
2454  }
2455  mov_write_stsc_tag(pb, track);
2456  mov_write_stsz_tag(pb, track);
2457  mov_write_stco_tag(pb, track);
2458  if (track->cenc.aes_ctr) {
2459  ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2460  }
2461  if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
2462  mov_preroll_write_stbl_atoms(pb, track);
2463  }
2464  return update_size(pb, pos);
2465 }
2466 
2468 {
2469  int64_t pos = avio_tell(pb);
2470  avio_wb32(pb, 0); /* size */
2471  ffio_wfourcc(pb, "dinf");
2472  mov_write_dref_tag(pb);
2473  return update_size(pb, pos);
2474 }
2475 
2477 {
2478  avio_wb32(pb, 12);
2479  ffio_wfourcc(pb, "nmhd");
2480  avio_wb32(pb, 0);
2481  return 12;
2482 }
2483 
2484 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2485 {
2486  int64_t pos = avio_tell(pb);
2487  const char *font = "Lucida Grande";
2488  avio_wb32(pb, 0); /* size */
2489  ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2490  avio_wb32(pb, 0); /* version & flags */
2491  avio_wb16(pb, 0); /* text font */
2492  avio_wb16(pb, 0); /* text face */
2493  avio_wb16(pb, 12); /* text size */
2494  avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2495  avio_wb16(pb, 0x0000); /* text color (red) */
2496  avio_wb16(pb, 0x0000); /* text color (green) */
2497  avio_wb16(pb, 0x0000); /* text color (blue) */
2498  avio_wb16(pb, 0xffff); /* background color (red) */
2499  avio_wb16(pb, 0xffff); /* background color (green) */
2500  avio_wb16(pb, 0xffff); /* background color (blue) */
2501  avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2502  avio_write(pb, font, strlen(font)); /* font name */
2503  return update_size(pb, pos);
2504 }
2505 
2506 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2507 {
2508  int64_t pos = avio_tell(pb);
2509  avio_wb32(pb, 0); /* size */
2510  ffio_wfourcc(pb, "gmhd");
2511  avio_wb32(pb, 0x18); /* gmin size */
2512  ffio_wfourcc(pb, "gmin");/* generic media info */
2513  avio_wb32(pb, 0); /* version & flags */
2514  avio_wb16(pb, 0x40); /* graphics mode = */
2515  avio_wb16(pb, 0x8000); /* opColor (r?) */
2516  avio_wb16(pb, 0x8000); /* opColor (g?) */
2517  avio_wb16(pb, 0x8000); /* opColor (b?) */
2518  avio_wb16(pb, 0); /* balance */
2519  avio_wb16(pb, 0); /* reserved */
2520 
2521  /*
2522  * This special text atom is required for
2523  * Apple Quicktime chapters. The contents
2524  * don't appear to be documented, so the
2525  * bytes are copied verbatim.
2526  */
2527  if (track->tag != MKTAG('c','6','0','8')) {
2528  avio_wb32(pb, 0x2C); /* size */
2529  ffio_wfourcc(pb, "text");
2530  avio_wb16(pb, 0x01);
2531  avio_wb32(pb, 0x00);
2532  avio_wb32(pb, 0x00);
2533  avio_wb32(pb, 0x00);
2534  avio_wb32(pb, 0x01);
2535  avio_wb32(pb, 0x00);
2536  avio_wb32(pb, 0x00);
2537  avio_wb32(pb, 0x00);
2538  avio_wb32(pb, 0x00004000);
2539  avio_wb16(pb, 0x0000);
2540  }
2541 
2542  if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2543  int64_t tmcd_pos = avio_tell(pb);
2544  avio_wb32(pb, 0); /* size */
2545  ffio_wfourcc(pb, "tmcd");
2546  mov_write_tcmi_tag(pb, track);
2547  update_size(pb, tmcd_pos);
2548  } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2549  int64_t gpmd_pos = avio_tell(pb);
2550  avio_wb32(pb, 0); /* size */
2551  ffio_wfourcc(pb, "gpmd");
2552  avio_wb32(pb, 0); /* version */
2553  update_size(pb, gpmd_pos);
2554  }
2555  return update_size(pb, pos);
2556 }
2557 
2559 {
2560  avio_wb32(pb, 16); /* size */
2561  ffio_wfourcc(pb, "smhd");
2562  avio_wb32(pb, 0); /* version & flags */
2563  avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2564  avio_wb16(pb, 0); /* reserved */
2565  return 16;
2566 }
2567 
2569 {
2570  avio_wb32(pb, 0x14); /* size (always 0x14) */
2571  ffio_wfourcc(pb, "vmhd");
2572  avio_wb32(pb, 0x01); /* version & flags */
2573  avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2574  return 0x14;
2575 }
2576 
2577 static int is_clcp_track(MOVTrack *track)
2578 {
2579  return track->tag == MKTAG('c','7','0','8') ||
2580  track->tag == MKTAG('c','6','0','8');
2581 }
2582 
2584 {
2585  MOVMuxContext *mov = s->priv_data;
2586  const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2587  int64_t pos = avio_tell(pb);
2588 
2589  hdlr = "dhlr";
2590  hdlr_type = "url ";
2591  descr = "DataHandler";
2592 
2593  if (track) {
2594  hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2595  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2596  hdlr_type = "vide";
2597  descr = "VideoHandler";
2598  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2599  hdlr_type = "soun";
2600  descr = "SoundHandler";
2601  } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2602  if (is_clcp_track(track)) {
2603  hdlr_type = "clcp";
2604  descr = "ClosedCaptionHandler";
2605  } else {
2606  if (track->tag == MKTAG('t','x','3','g')) {
2607  hdlr_type = "sbtl";
2608  } else if (track->tag == MKTAG('m','p','4','s')) {
2609  hdlr_type = "subp";
2610  } else {
2611  hdlr_type = "text";
2612  }
2613  descr = "SubtitleHandler";
2614  }
2615  } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2616  hdlr_type = "hint";
2617  descr = "HintHandler";
2618  } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2619  hdlr_type = "tmcd";
2620  descr = "TimeCodeHandler";
2621  } else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
2622  hdlr_type = "meta";
2623  descr = "GoPro MET"; // GoPro Metadata
2624  } else {
2626  "Unknown hldr_type for %s, writing dummy values\n",
2627  av_fourcc2str(track->par->codec_tag));
2628  }
2629  if (track->st) {
2630  // hdlr.name is used by some players to identify the content title
2631  // of the track. So if an alternate handler description is
2632  // specified, use it.
2633  AVDictionaryEntry *t;
2634  t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
2635  if (t && utf8len(t->value))
2636  descr = t->value;
2637  }
2638  }
2639 
2640  if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
2641  descr = "";
2642 
2643  avio_wb32(pb, 0); /* size */
2644  ffio_wfourcc(pb, "hdlr");
2645  avio_wb32(pb, 0); /* Version & flags */
2646  avio_write(pb, hdlr, 4); /* handler */
2647  ffio_wfourcc(pb, hdlr_type); /* handler type */
2648  avio_wb32(pb, 0); /* reserved */
2649  avio_wb32(pb, 0); /* reserved */
2650  avio_wb32(pb, 0); /* reserved */
2651  if (!track || track->mode == MODE_MOV)
2652  avio_w8(pb, strlen(descr)); /* pascal string */
2653  avio_write(pb, descr, strlen(descr)); /* handler description */
2654  if (track && track->mode != MODE_MOV)
2655  avio_w8(pb, 0); /* c string */
2656  return update_size(pb, pos);
2657 }
2658 
2660 {
2661  /* This atom must be present, but leaving the values at zero
2662  * seems harmless. */
2663  avio_wb32(pb, 28); /* size */
2664  ffio_wfourcc(pb, "hmhd");
2665  avio_wb32(pb, 0); /* version, flags */
2666  avio_wb16(pb, 0); /* maxPDUsize */
2667  avio_wb16(pb, 0); /* avgPDUsize */
2668  avio_wb32(pb, 0); /* maxbitrate */
2669  avio_wb32(pb, 0); /* avgbitrate */
2670  avio_wb32(pb, 0); /* reserved */
2671  return 28;
2672 }
2673 
2675 {
2676  int64_t pos = avio_tell(pb);
2677  int ret;
2678 
2679  avio_wb32(pb, 0); /* size */
2680  ffio_wfourcc(pb, "minf");
2681  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2682  mov_write_vmhd_tag(pb);
2683  else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2684  mov_write_smhd_tag(pb);
2685  else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2686  if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2687  mov_write_gmhd_tag(pb, track);
2688  } else {
2689  mov_write_nmhd_tag(pb);
2690  }
2691  } else if (track->tag == MKTAG('r','t','p',' ')) {
2692  mov_write_hmhd_tag(pb);
2693  } else if (track->tag == MKTAG('t','m','c','d')) {
2694  if (track->mode != MODE_MOV)
2695  mov_write_nmhd_tag(pb);
2696  else
2697  mov_write_gmhd_tag(pb, track);
2698  } else if (track->tag == MKTAG('g','p','m','d')) {
2699  mov_write_gmhd_tag(pb, track);
2700  }
2701  if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
2702  mov_write_hdlr_tag(s, pb, NULL);
2703  mov_write_dinf_tag(pb);
2704  if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2705  return ret;
2706  return update_size(pb, pos);
2707 }
2708 
2710  MOVTrack *track)
2711 {
2712  int version = track->track_duration < INT32_MAX ? 0 : 1;
2713 
2714  if (track->mode == MODE_ISM)
2715  version = 1;
2716 
2717  (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2718  ffio_wfourcc(pb, "mdhd");
2719  avio_w8(pb, version);
2720  avio_wb24(pb, 0); /* flags */
2721  if (version == 1) {
2722  avio_wb64(pb, track->time);
2723  avio_wb64(pb, track->time);
2724  } else {
2725  avio_wb32(pb, track->time); /* creation time */
2726  avio_wb32(pb, track->time); /* modification time */
2727  }
2728  avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2729  if (!track->entry && mov->mode == MODE_ISM)
2730  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2731  else if (!track->entry)
2732  (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2733  else
2734  (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2735  avio_wb16(pb, track->language); /* language */
2736  avio_wb16(pb, 0); /* reserved (quality) */
2737 
2738  if (version != 0 && track->mode == MODE_MOV) {
2740  "FATAL error, file duration too long for timebase, this file will not be\n"
2741  "playable with quicktime. Choose a different timebase or a different\n"
2742  "container format\n");
2743  }
2744 
2745  return 32;
2746 }
2747 
2749  MOVMuxContext *mov, MOVTrack *track)
2750 {
2751  int64_t pos = avio_tell(pb);
2752  int ret;
2753 
2754  avio_wb32(pb, 0); /* size */
2755  ffio_wfourcc(pb, "mdia");
2756  mov_write_mdhd_tag(pb, mov, track);
2757  mov_write_hdlr_tag(s, pb, track);
2758  if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2759  return ret;
2760  return update_size(pb, pos);
2761 }
2762 
2763 /* transformation matrix
2764  |a b u|
2765  |c d v|
2766  |tx ty w| */
2767 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2768  int16_t d, int16_t tx, int16_t ty)
2769 {
2770  avio_wb32(pb, a << 16); /* 16.16 format */
2771  avio_wb32(pb, b << 16); /* 16.16 format */
2772  avio_wb32(pb, 0); /* u in 2.30 format */
2773  avio_wb32(pb, c << 16); /* 16.16 format */
2774  avio_wb32(pb, d << 16); /* 16.16 format */
2775  avio_wb32(pb, 0); /* v in 2.30 format */
2776  avio_wb32(pb, tx << 16); /* 16.16 format */
2777  avio_wb32(pb, ty << 16); /* 16.16 format */
2778  avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2779 }
2780 
2782  MOVTrack *track, AVStream *st)
2783 {
2785  track->timescale, AV_ROUND_UP);
2786  int version = duration < INT32_MAX ? 0 : 1;
2788  int rotation = 0;
2789  int group = 0;
2790 
2791  uint32_t *display_matrix = NULL;
2792  int display_matrix_size, i;
2793 
2794  if (st) {
2795  if (mov->per_stream_grouping)
2796  group = st->index;
2797  else
2798  group = st->codecpar->codec_type;
2799 
2800  display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2801  &display_matrix_size);
2802  if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2803  display_matrix = NULL;
2804  }
2805 
2806  if (track->flags & MOV_TRACK_ENABLED)
2807  flags |= MOV_TKHD_FLAG_ENABLED;
2808 
2809  if (track->mode == MODE_ISM)
2810  version = 1;
2811 
2812  (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2813  ffio_wfourcc(pb, "tkhd");
2814  avio_w8(pb, version);
2815  avio_wb24(pb, flags);
2816  if (version == 1) {
2817  avio_wb64(pb, track->time);
2818  avio_wb64(pb, track->time);
2819  } else {
2820  avio_wb32(pb, track->time); /* creation time */
2821  avio_wb32(pb, track->time); /* modification time */
2822  }
2823  avio_wb32(pb, track->track_id); /* track-id */
2824  avio_wb32(pb, 0); /* reserved */
2825  if (!track->entry && mov->mode == MODE_ISM)
2826  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2827  else if (!track->entry)
2828  (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2829  else
2830  (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2831 
2832  avio_wb32(pb, 0); /* reserved */
2833  avio_wb32(pb, 0); /* reserved */
2834  avio_wb16(pb, 0); /* layer */
2835  avio_wb16(pb, group); /* alternate group) */
2836  /* Volume, only for audio */
2837  if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2838  avio_wb16(pb, 0x0100);
2839  else
2840  avio_wb16(pb, 0);
2841  avio_wb16(pb, 0); /* reserved */
2842 
2843  /* Matrix structure */
2844 #if FF_API_OLD_ROTATE_API
2845  if (st && st->metadata) {
2846  AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2847  rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2848  }
2849 #endif
2850  if (display_matrix) {
2851  for (i = 0; i < 9; i++)
2852  avio_wb32(pb, display_matrix[i]);
2853 #if FF_API_OLD_ROTATE_API
2854  } else if (rotation == 90) {
2855  write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2856  } else if (rotation == 180) {
2857  write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2858  } else if (rotation == 270) {
2859  write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2860 #endif
2861  } else {
2862  write_matrix(pb, 1, 0, 0, 1, 0, 0);
2863  }
2864  /* Track width and height, for visual only */
2865  if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2866  track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2867  int64_t track_width_1616;
2868  if (track->mode == MODE_MOV) {
2869  track_width_1616 = track->par->width * 0x10000ULL;
2870  } else {
2871  track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2872  track->par->width * 0x10000LL,
2873  st->sample_aspect_ratio.den);
2874  if (!track_width_1616 ||
2875  track->height != track->par->height ||
2876  track_width_1616 > UINT32_MAX)
2877  track_width_1616 = track->par->width * 0x10000ULL;
2878  }
2879  if (track_width_1616 > UINT32_MAX) {
2880  av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2881  track_width_1616 = 0;
2882  }
2883  avio_wb32(pb, track_width_1616);
2884  if (track->height > 0xFFFF) {
2885  av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2886  avio_wb32(pb, 0);
2887  } else
2888  avio_wb32(pb, track->height * 0x10000U);
2889  } else {
2890  avio_wb32(pb, 0);
2891  avio_wb32(pb, 0);
2892  }
2893  return 0x5c;
2894 }
2895 
2896 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2897 {
2899  track->par->sample_aspect_ratio.den);
2900 
2901  int64_t pos = avio_tell(pb);
2902 
2903  avio_wb32(pb, 0); /* size */
2904  ffio_wfourcc(pb, "tapt");
2905 
2906  avio_wb32(pb, 20);
2907  ffio_wfourcc(pb, "clef");
2908  avio_wb32(pb, 0);
2909  avio_wb32(pb, width << 16);
2910  avio_wb32(pb, track->par->height << 16);
2911 
2912  avio_wb32(pb, 20);
2913  ffio_wfourcc(pb, "prof");
2914  avio_wb32(pb, 0);
2915  avio_wb32(pb, width << 16);
2916  avio_wb32(pb, track->par->height << 16);
2917 
2918  avio_wb32(pb, 20);
2919  ffio_wfourcc(pb, "enof");
2920  avio_wb32(pb, 0);
2921  avio_wb32(pb, track->par->width << 16);
2922  avio_wb32(pb, track->par->height << 16);
2923 
2924  return update_size(pb, pos);
2925 }
2926 
2927 // This box seems important for the psp playback ... without it the movie seems to hang
2929  MOVTrack *track)
2930 {
2932  track->timescale, AV_ROUND_UP);
2933  int version = duration < INT32_MAX ? 0 : 1;
2934  int entry_size, entry_count, size;
2935  int64_t delay, start_ct = track->start_cts;
2936  int64_t start_dts = track->start_dts;
2937 
2938  if (track->entry) {
2939  if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2940 
2941  av_log(mov->fc, AV_LOG_DEBUG,
2942  "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2943  track->cluster[0].dts, track->cluster[0].cts,
2944  start_dts, start_ct, track->track_id);
2945  start_dts = track->cluster[0].dts;
2946  start_ct = track->cluster[0].cts;
2947  }
2948  }
2949 
2950  delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2951  track->timescale, AV_ROUND_DOWN);
2952  version |= delay < INT32_MAX ? 0 : 1;
2953 
2954  entry_size = (version == 1) ? 20 : 12;
2955  entry_count = 1 + (delay > 0);
2956  size = 24 + entry_count * entry_size;
2957 
2958  /* write the atom data */
2959  avio_wb32(pb, size);
2960  ffio_wfourcc(pb, "edts");
2961  avio_wb32(pb, size - 8);
2962  ffio_wfourcc(pb, "elst");
2963  avio_w8(pb, version);
2964  avio_wb24(pb, 0); /* flags */
2965 
2966  avio_wb32(pb, entry_count);
2967  if (delay > 0) { /* add an empty edit to delay presentation */
2968  /* In the positive delay case, the delay includes the cts
2969  * offset, and the second edit list entry below trims out
2970  * the same amount from the actual content. This makes sure
2971  * that the offset last sample is included in the edit
2972  * list duration as well. */
2973  if (version == 1) {
2974  avio_wb64(pb, delay);
2975  avio_wb64(pb, -1);
2976  } else {
2977  avio_wb32(pb, delay);
2978  avio_wb32(pb, -1);
2979  }
2980  avio_wb32(pb, 0x00010000);
2981  } else {
2982  /* Avoid accidentally ending up with start_ct = -1 which has got a
2983  * special meaning. Normally start_ct should end up positive or zero
2984  * here, but use FFMIN in case dts is a small positive integer
2985  * rounded to 0 when represented in MOV_TIMESCALE units. */
2986  av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2987  start_ct = -FFMIN(start_dts, 0);
2988  /* Note, this delay is calculated from the pts of the first sample,
2989  * ensuring that we don't reduce the duration for cases with
2990  * dts<0 pts=0. */
2991  duration += delay;
2992  }
2993 
2994  /* For fragmented files, we don't know the full length yet. Setting
2995  * duration to 0 allows us to only specify the offset, including
2996  * the rest of the content (from all future fragments) without specifying
2997  * an explicit duration. */
2998  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2999  duration = 0;
3000 
3001  /* duration */
3002  if (version == 1) {
3003  avio_wb64(pb, duration);
3004  avio_wb64(pb, start_ct);
3005  } else {
3006  avio_wb32(pb, duration);
3007  avio_wb32(pb, start_ct);
3008  }
3009  avio_wb32(pb, 0x00010000);
3010  return size;
3011 }
3012 
3013 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
3014 {
3015  avio_wb32(pb, 20); // size
3016  ffio_wfourcc(pb, "tref");
3017  avio_wb32(pb, 12); // size (subatom)
3018  avio_wl32(pb, track->tref_tag);
3019  avio_wb32(pb, track->tref_id);
3020  return 20;
3021 }
3022 
3023 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
3025 {
3026  avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
3027  ffio_wfourcc(pb, "uuid");
3028  ffio_wfourcc(pb, "USMT");
3029  avio_wb32(pb, 0x21d24fce);
3030  avio_wb32(pb, 0xbb88695c);
3031  avio_wb32(pb, 0xfac9c740);
3032  avio_wb32(pb, 0x1c); // another size here!
3033  ffio_wfourcc(pb, "MTDT");
3034  avio_wb32(pb, 0x00010012);
3035  avio_wb32(pb, 0x0a);
3036  avio_wb32(pb, 0x55c40000);
3037  avio_wb32(pb, 0x1);
3038  avio_wb32(pb, 0x0);
3039  return 0x34;
3040 }
3041 
3042 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
3043 {
3044  AVFormatContext *ctx = track->rtp_ctx;
3045  char buf[1000] = "";
3046  int len;
3047 
3048  ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
3049  NULL, NULL, 0, 0, ctx);
3050  av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
3051  len = strlen(buf);
3052 
3053  avio_wb32(pb, len + 24);
3054  ffio_wfourcc(pb, "udta");
3055  avio_wb32(pb, len + 16);
3056  ffio_wfourcc(pb, "hnti");
3057  avio_wb32(pb, len + 8);
3058  ffio_wfourcc(pb, "sdp ");
3059  avio_write(pb, buf, len);
3060  return len + 24;
3061 }
3062 
3064  const char *tag, const char *str)
3065 {
3066  int64_t pos = avio_tell(pb);
3067  AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
3068  if (!t || !utf8len(t->value))
3069  return 0;
3070 
3071  avio_wb32(pb, 0); /* size */
3072  ffio_wfourcc(pb, tag); /* type */
3073  avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
3074  return update_size(pb, pos);
3075 }
3076 
3078  AVStream *st)
3079 {
3080  AVIOContext *pb_buf;
3081  int ret, size;
3082  uint8_t *buf;
3083 
3084  if (!st)
3085  return 0;
3086 
3087  ret = avio_open_dyn_buf(&pb_buf);
3088  if (ret < 0)
3089  return ret;
3090 
3091  if (mov->mode & (MODE_MP4|MODE_MOV))
3092  mov_write_track_metadata(pb_buf, st, "name", "title");
3093 
3094  if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3095  avio_wb32(pb, size + 8);
3096  ffio_wfourcc(pb, "udta");
3097  avio_write(pb, buf, size);
3098  }
3099  av_free(buf);
3100 
3101  return 0;
3102 }
3103 
3105  MOVTrack *track, AVStream *st)
3106 {
3107  int64_t pos = avio_tell(pb);
3108  int entry_backup = track->entry;
3109  int chunk_backup = track->chunkCount;
3110  int ret;
3111 
3112  /* If we want to have an empty moov, but some samples already have been
3113  * buffered (delay_moov), pretend that no samples have been written yet. */
3114  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
3115  track->chunkCount = track->entry = 0;
3116 
3117  avio_wb32(pb, 0); /* size */
3118  ffio_wfourcc(pb, "trak");
3119  mov_write_tkhd_tag(pb, mov, track, st);
3120 
3121  av_assert2(mov->use_editlist >= 0);
3122 
3123  if (track->start_dts != AV_NOPTS_VALUE) {
3124  if (mov->use_editlist)
3125  mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
3126  else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
3127  av_log(mov->fc, AV_LOG_WARNING,
3128  "Not writing any edit list even though one would have been required\n");
3129  }
3130 
3131  if (track->tref_tag)
3132  mov_write_tref_tag(pb, track);
3133 
3134  if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
3135  return ret;
3136  if (track->mode == MODE_PSP)
3137  mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
3138  if (track->tag == MKTAG('r','t','p',' '))
3139  mov_write_udta_sdp(pb, track);
3140  if (track->mode == MODE_MOV) {
3141  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3142  double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
3143  if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
3144  mov_write_tapt_tag(pb, track);
3145  }
3146  }
3147  if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
3148  mov_write_tapt_tag(pb, track);
3149  }
3150  }
3151  mov_write_track_udta_tag(pb, mov, st);
3152  track->entry = entry_backup;
3153  track->chunkCount = chunk_backup;
3154  return update_size(pb, pos);
3155 }
3156 
3158 {
3159  int i, has_audio = 0, has_video = 0;
3160  int64_t pos = avio_tell(pb);
3161  int audio_profile = mov->iods_audio_profile;
3162  int video_profile = mov->iods_video_profile;
3163  for (i = 0; i < mov->nb_streams; i++) {
3164  if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3165  has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
3166  has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
3167  }
3168  }
3169  if (audio_profile < 0)
3170  audio_profile = 0xFF - has_audio;
3171  if (video_profile < 0)
3172  video_profile = 0xFF - has_video;
3173  avio_wb32(pb, 0x0); /* size */
3174  ffio_wfourcc(pb, "iods");
3175  avio_wb32(pb, 0); /* version & flags */
3176  put_descr(pb, 0x10, 7);
3177  avio_wb16(pb, 0x004f);
3178  avio_w8(pb, 0xff);
3179  avio_w8(pb, 0xff);
3180  avio_w8(pb, audio_profile);
3181  avio_w8(pb, video_profile);
3182  avio_w8(pb, 0xff);
3183  return update_size(pb, pos);
3184 }
3185 
3186 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
3187 {
3188  avio_wb32(pb, 0x20); /* size */
3189  ffio_wfourcc(pb, "trex");
3190  avio_wb32(pb, 0); /* version & flags */
3191  avio_wb32(pb, track->track_id); /* track ID */
3192  avio_wb32(pb, 1); /* default sample description index */
3193  avio_wb32(pb, 0); /* default sample duration */
3194  avio_wb32(pb, 0); /* default sample size */
3195  avio_wb32(pb, 0); /* default sample flags */
3196  return 0;
3197 }
3198 
3200 {
3201  int64_t pos = avio_tell(pb);
3202  int i;
3203  avio_wb32(pb, 0x0); /* size */
3204  ffio_wfourcc(pb, "mvex");
3205  for (i = 0; i < mov->nb_streams; i++)
3206  mov_write_trex_tag(pb, &mov->tracks[i]);
3207  return update_size(pb, pos);
3208 }
3209 
3211 {
3212  int max_track_id = 1, i;
3213  int64_t max_track_len = 0;
3214  int version;
3215 
3216  for (i = 0; i < mov->nb_streams; i++) {
3217  if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
3218  int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
3219  MOV_TIMESCALE,
3220  mov->tracks[i].timescale,
3221  AV_ROUND_UP);
3222  if (max_track_len < max_track_len_temp)
3223  max_track_len = max_track_len_temp;
3224  if (max_track_id < mov->tracks[i].track_id)
3225  max_track_id = mov->tracks[i].track_id;
3226  }
3227  }
3228  /* If using delay_moov, make sure the output is the same as if no
3229  * samples had been written yet. */
3230  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3231  max_track_len = 0;
3232  max_track_id = 1;
3233  }
3234 
3235  version = max_track_len < UINT32_MAX ? 0 : 1;
3236  avio_wb32(pb, version == 1 ? 120 : 108); /* size */
3237 
3238  ffio_wfourcc(pb, "mvhd");
3239  avio_w8(pb, version);
3240  avio_wb24(pb, 0); /* flags */
3241  if (version == 1) {
3242  avio_wb64(pb, mov->time);
3243  avio_wb64(pb, mov->time);
3244  } else {
3245  avio_wb32(pb, mov->time); /* creation time */
3246  avio_wb32(pb, mov->time); /* modification time */
3247  }
3248  avio_wb32(pb, MOV_TIMESCALE);
3249  (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3250 
3251  avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3252  avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3253  avio_wb16(pb, 0); /* reserved */
3254  avio_wb32(pb, 0); /* reserved */
3255  avio_wb32(pb, 0); /* reserved */
3256 
3257  /* Matrix structure */
3258  write_matrix(pb, 1, 0, 0, 1, 0, 0);
3259 
3260  avio_wb32(pb, 0); /* reserved (preview time) */
3261  avio_wb32(pb, 0); /* reserved (preview duration) */
3262  avio_wb32(pb, 0); /* reserved (poster time) */
3263  avio_wb32(pb, 0); /* reserved (selection time) */
3264  avio_wb32(pb, 0); /* reserved (selection duration) */
3265  avio_wb32(pb, 0); /* reserved (current time) */
3266  avio_wb32(pb, max_track_id + 1); /* Next track id */
3267  return 0x6c;
3268 }
3269 
3271  AVFormatContext *s)
3272 {
3273  avio_wb32(pb, 33); /* size */
3274  ffio_wfourcc(pb, "hdlr");
3275  avio_wb32(pb, 0);
3276  avio_wb32(pb, 0);
3277  ffio_wfourcc(pb, "mdir");
3278  ffio_wfourcc(pb, "appl");
3279  avio_wb32(pb, 0);
3280  avio_wb32(pb, 0);
3281  avio_w8(pb, 0);
3282  return 33;
3283 }
3284 
3285 /* helper function to write a data tag with the specified string as data */
3286 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3287 {
3288  if (long_style) {
3289  int size = 16 + strlen(data);
3290  avio_wb32(pb, size); /* size */
3291  ffio_wfourcc(pb, "data");
3292  avio_wb32(pb, 1);
3293  avio_wb32(pb, 0);
3294  avio_write(pb, data, strlen(data));
3295  return size;
3296  } else {
3297  if (!lang)
3298  lang = ff_mov_iso639_to_lang("und", 1);
3299  avio_wb16(pb, strlen(data)); /* string length */
3300  avio_wb16(pb, lang);
3301  avio_write(pb, data, strlen(data));
3302  return strlen(data) + 4;
3303  }
3304 }
3305 
3306 static int mov_write_string_tag(AVIOContext *pb, const char *name,
3307  const char *value, int lang, int long_style)
3308 {
3309  int size = 0;
3310  if (value && value[0]) {
3311  int64_t pos = avio_tell(pb);
3312  avio_wb32(pb, 0); /* size */
3313  ffio_wfourcc(pb, name);
3314  mov_write_string_data_tag(pb, value, lang, long_style);
3315  size = update_size(pb, pos);
3316  }
3317  return size;
3318 }
3319 
3321  const char *tag, int *lang)
3322 {
3323  int l, len, len2;
3324  AVDictionaryEntry *t, *t2 = NULL;
3325  char tag2[16];
3326 
3327  *lang = 0;
3328 
3329  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3330  return NULL;
3331 
3332  len = strlen(t->key);
3333  snprintf(tag2, sizeof(tag2), "%s-", tag);
3334  while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3335  len2 = strlen(t2->key);
3336  if (len2 == len + 4 && !strcmp(t->value, t2->value)
3337  && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3338  *lang = l;
3339  return t;
3340  }
3341  }
3342  return t;
3343 }
3344 
3346  const char *name, const char *tag,
3347  int long_style)
3348 {
3349  int lang;
3350  AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3351  if (!t)
3352  return 0;
3353  return mov_write_string_tag(pb, name, t->value, lang, long_style);
3354 }
3355 
3356 /* iTunes bpm number */
3358 {
3359  AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3360  int size = 0, tmpo = t ? atoi(t->value) : 0;
3361  if (tmpo) {
3362  size = 26;
3363  avio_wb32(pb, size);
3364  ffio_wfourcc(pb, "tmpo");
3365  avio_wb32(pb, size-8); /* size */
3366  ffio_wfourcc(pb, "data");
3367  avio_wb32(pb, 0x15); //type specifier
3368  avio_wb32(pb, 0);
3369  avio_wb16(pb, tmpo); // data
3370  }
3371  return size;
3372 }
3373 
3374 /* 3GPP TS 26.244 */
3376 {
3377  int lang;
3378  int64_t pos = avio_tell(pb);
3379  double latitude, longitude, altitude;
3380  int32_t latitude_fix, longitude_fix, altitude_fix;
3381  AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3382  const char *ptr, *place = "";
3383  char *end;
3384  static const char *astronomical_body = "earth";
3385  if (!t)
3386  return 0;
3387 
3388  ptr = t->value;
3389  longitude = strtod(ptr, &end);
3390  if (end == ptr) {
3391  av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3392  return 0;
3393  }
3394  ptr = end;
3395  latitude = strtod(ptr, &end);
3396  if (end == ptr) {
3397  av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3398  return 0;
3399  }
3400  ptr = end;
3401  altitude = strtod(ptr, &end);
3402  /* If no altitude was present, the default 0 should be fine */
3403  if (*end == '/')
3404  place = end + 1;
3405 
3406  latitude_fix = (int32_t) ((1 << 16) * latitude);
3407  longitude_fix = (int32_t) ((1 << 16) * longitude);
3408  altitude_fix = (int32_t) ((1 << 16) * altitude);
3409 
3410  avio_wb32(pb, 0); /* size */
3411  ffio_wfourcc(pb, "loci"); /* type */
3412  avio_wb32(pb, 0); /* version + flags */
3413  avio_wb16(pb, lang);
3414  avio_write(pb, place, strlen(place) + 1);
3415  avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3416  avio_wb32(pb, latitude_fix);
3417  avio_wb32(pb, longitude_fix);
3418  avio_wb32(pb, altitude_fix);
3419  avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3420  avio_w8(pb, 0); /* additional notes, null terminated string */
3421 
3422  return update_size(pb, pos);
3423 }
3424 
3425 /* iTunes track or disc number */
3427  AVFormatContext *s, int disc)
3428 {
3430  disc ? "disc" : "track",
3431  NULL, 0);
3432  int size = 0, track = t ? atoi(t->value) : 0;
3433  if (track) {
3434  int tracks = 0;
3435  char *slash = strchr(t->value, '/');
3436  if (slash)
3437  tracks = atoi(slash + 1);
3438  avio_wb32(pb, 32); /* size */
3439  ffio_wfourcc(pb, disc ? "disk" : "trkn");
3440  avio_wb32(pb, 24); /* size */
3441  ffio_wfourcc(pb, "data");
3442  avio_wb32(pb, 0); // 8 bytes empty
3443  avio_wb32(pb, 0);
3444  avio_wb16(pb, 0); // empty
3445  avio_wb16(pb, track); // track / disc number
3446  avio_wb16(pb, tracks); // total track / disc number
3447  avio_wb16(pb, 0); // empty
3448  size = 32;
3449  }
3450  return size;
3451 }
3452 
3454  const char *name, const char *tag,
3455  int len)
3456 {
3457  AVDictionaryEntry *t = NULL;
3458  uint8_t num;
3459  int size = 24 + len;
3460 
3461  if (len != 1 && len != 4)
3462  return -1;
3463 
3464  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3465  return 0;
3466  num = atoi(t->value);
3467 
3468  avio_wb32(pb, size);
3469  ffio_wfourcc(pb, name);
3470  avio_wb32(pb, size - 8);
3471  ffio_wfourcc(pb, "data");
3472  avio_wb32(pb, 0x15);
3473  avio_wb32(pb, 0);
3474  if (len==4) avio_wb32(pb, num);
3475  else avio_w8 (pb, num);
3476 
3477  return size;
3478 }
3479 
3481 {
3482  MOVMuxContext *mov = s->priv_data;
3483  int64_t pos = 0;
3484  int i;
3485 
3486  for (i = 0; i < s->nb_streams; i++) {
3487  MOVTrack *trk = &mov->tracks[i];
3488 
3489  if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
3490  continue;
3491 
3492  if (!pos) {
3493  pos = avio_tell(pb);
3494  avio_wb32(pb, 0);
3495  ffio_wfourcc(pb, "covr");
3496  }
3497  avio_wb32(pb, 16 + trk->cover_image.size);
3498  ffio_wfourcc(pb, "data");
3499  avio_wb32(pb, trk->tag);
3500  avio_wb32(pb , 0);
3501  avio_write(pb, trk->cover_image.data, trk->cover_image.size);
3502  }
3503 
3504  return pos ? update_size(pb, pos) : 0;
3505 }
3506 
3507 /* iTunes meta data list */
3509  AVFormatContext *s)
3510 {
3511  int64_t pos = avio_tell(pb);
3512  avio_wb32(pb, 0); /* size */
3513  ffio_wfourcc(pb, "ilst");
3514  mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3515  mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3516  mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3517  mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3518  mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3519  mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3520  if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3521  if (!(s->flags & AVFMT_FLAG_BITEXACT))
3522  mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3523  }
3524  mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3525  mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3526  mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
3527  mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3528  mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3529  mov_write_string_metadata(s, pb, "desc", "description",1);
3530  mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3531  mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3532  mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3533  mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3534  mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
3535  mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3536  mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3537  mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3538  mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3539  mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3540  mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3541  mov_write_covr(pb, s);
3542  mov_write_trkn_tag(pb, mov, s, 0); // track number
3543  mov_write_trkn_tag(pb, mov, s, 1); // disc number
3544  mov_write_tmpo_tag(pb, s);
3545  return update_size(pb, pos);
3546 }
3547 
3549  AVFormatContext *s)
3550 {
3551  avio_wb32(pb, 33); /* size */
3552  ffio_wfourcc(pb, "hdlr");
3553  avio_wb32(pb, 0);
3554  avio_wb32(pb, 0);
3555  ffio_wfourcc(pb, "mdta");
3556  avio_wb32(pb, 0);
3557  avio_wb32(pb, 0);
3558  avio_wb32(pb, 0);
3559  avio_w8(pb, 0);
3560  return 33;
3561 }
3562 
3564  AVFormatContext *s)
3565 {
3566  AVDictionaryEntry *t = NULL;
3567  int64_t pos = avio_tell(pb);
3568  int64_t curpos, entry_pos;
3569  int count = 0;
3570 
3571  avio_wb32(pb, 0); /* size */
3572  ffio_wfourcc(pb, "keys");
3573  avio_wb32(pb, 0);
3574  entry_pos = avio_tell(pb);
3575  avio_wb32(pb, 0); /* entry count */
3576 
3577  while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3578  avio_wb32(pb, strlen(t->key) + 8);
3579  ffio_wfourcc(pb, "mdta");
3580  avio_write(pb, t->key, strlen(t->key));
3581  count += 1;
3582  }
3583  curpos = avio_tell(pb);
3584  avio_seek(pb, entry_pos, SEEK_SET);
3585  avio_wb32(pb, count); // rewrite entry count
3586  avio_seek(pb, curpos, SEEK_SET);
3587 
3588  return update_size(pb, pos);
3589 }
3590 
3592  AVFormatContext *s)
3593 {
3594  AVDictionaryEntry *t = NULL;
3595  int64_t pos = avio_tell(pb);
3596  int count = 1; /* keys are 1-index based */
3597 
3598  avio_wb32(pb, 0); /* size */
3599  ffio_wfourcc(pb, "ilst");
3600 
3601  while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3602  int64_t entry_pos = avio_tell(pb);
3603  avio_wb32(pb, 0); /* size */
3604  avio_wb32(pb, count); /* key */
3605  mov_write_string_data_tag(pb, t->value, 0, 1);
3606  update_size(pb, entry_pos);
3607  count += 1;
3608  }
3609  return update_size(pb, pos);
3610 }
3611 
3612 /* meta data tags */
3614  AVFormatContext *s)
3615 {
3616  int size = 0;
3617  int64_t pos = avio_tell(pb);
3618  avio_wb32(pb, 0); /* size */
3619  ffio_wfourcc(pb, "meta");
3620  avio_wb32(pb, 0);
3621  if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3622  mov_write_mdta_hdlr_tag(pb, mov, s);
3623  mov_write_mdta_keys_tag(pb, mov, s);
3624  mov_write_mdta_ilst_tag(pb, mov, s);
3625  }
3626  else {
3627  /* iTunes metadata tag */
3628  mov_write_itunes_hdlr_tag(pb, mov, s);
3629  mov_write_ilst_tag(pb, mov, s);
3630  }
3631  size = update_size(pb, pos);
3632  return size;
3633 }
3634 
3636  const char *name, const char *key)
3637 {
3638  int len;
3639  AVDictionaryEntry *t;
3640 
3641  if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3642  return 0;
3643 
3644  len = strlen(t->value);
3645  if (len > 0) {
3646  int size = len + 8;
3647  avio_wb32(pb, size);
3648  ffio_wfourcc(pb, name);
3649  avio_write(pb, t->value, len);
3650  return size;
3651  }
3652  return 0;
3653 }
3654 
3655 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3656 {
3657  int val;
3658  while (*b) {
3659  GET_UTF8(val, *b++, return -1;)
3660  avio_wb16(pb, val);
3661  }
3662  avio_wb16(pb, 0x00);
3663  return 0;
3664 }
3665 
3666 static uint16_t language_code(const char *str)
3667 {
3668  return (((str[0] - 0x60) & 0x1F) << 10) +
3669  (((str[1] - 0x60) & 0x1F) << 5) +
3670  (( str[2] - 0x60) & 0x1F);
3671 }
3672 
3674  const char *tag, const char *str)
3675 {
3676  int64_t pos = avio_tell(pb);
3677  AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3678  if (!t || !utf8len(t->value))
3679  return 0;
3680  avio_wb32(pb, 0); /* size */
3681  ffio_wfourcc(pb, tag); /* type */
3682  avio_wb32(pb, 0); /* version + flags */
3683  if (!strcmp(tag, "yrrc"))
3684  avio_wb16(pb, atoi(t->value));
3685  else {
3686  avio_wb16(pb, language_code("eng")); /* language */
3687  avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3688  if (!strcmp(tag, "albm") &&
3689  (t = av_dict_get(s->metadata, "track", NULL, 0)))
3690  avio_w8(pb, atoi(t->value));
3691  }
3692  return update_size(pb, pos);
3693 }
3694 
3696 {
3697  int64_t pos = avio_tell(pb);
3698  int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3699 
3700  avio_wb32(pb, 0); // size
3701  ffio_wfourcc(pb, "chpl");
3702  avio_wb32(pb, 0x01000000); // version + flags
3703  avio_wb32(pb, 0); // unknown
3704  avio_w8(pb, nb_chapters);
3705 
3706  for (i = 0; i < nb_chapters; i++) {
3707  AVChapter *c = s->chapters[i];
3708  AVDictionaryEntry *t;
3709  avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3710 
3711  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3712  int len = FFMIN(strlen(t->value), 255);
3713  avio_w8(pb, len);
3714  avio_write(pb, t->value, len);
3715  } else
3716  avio_w8(pb, 0);
3717  }
3718  return update_size(pb, pos);
3719 }
3720 
3722  AVFormatContext *s)
3723 {
3724  AVIOContext *pb_buf;
3725  int ret, size;
3726  uint8_t *buf;
3727 
3728  ret = avio_open_dyn_buf(&pb_buf);
3729  if (ret < 0)
3730  return ret;
3731 
3732  if (mov->mode & MODE_3GP) {
3733  mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3734  mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3735  mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3736  mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3737  mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3738  mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3739  mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3740  mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3741  mov_write_loci_tag(s, pb_buf);
3742  } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3743  mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3744  mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3745  mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3746  mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3747  mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3748  mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3749  // currently ignored by mov.c
3750  mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3751  // add support for libquicktime, this atom is also actually read by mov.c
3752  mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3753  mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3754  mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3755  mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3756  mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3757  mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3758  mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
3759  mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3760  } else {
3761  /* iTunes meta data */
3762  mov_write_meta_tag(pb_buf, mov, s);
3763  mov_write_loci_tag(s, pb_buf);
3764  }
3765 
3766  if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3767  mov_write_chpl_tag(pb_buf, s);
3768 
3769  if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3770  avio_wb32(pb, size + 8);
3771  ffio_wfourcc(pb, "udta");
3772  avio_write(pb, buf, size);
3773  }
3774  av_free(buf);
3775 
3776  return 0;
3777 }
3778 
3780  const char *str, const char *lang, int type)
3781 {
3782  int len = utf8len(str) + 1;
3783  if (len <= 0)
3784  return;
3785  avio_wb16(pb, len * 2 + 10); /* size */
3786  avio_wb32(pb, type); /* type */
3787  avio_wb16(pb, language_code(lang)); /* language */
3788  avio_wb16(pb, 0x01); /* ? */
3789  ascii_to_wc(pb, str);
3790 }
3791 
3793 {
3794  AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3795  int64_t pos, pos2;
3796 
3797  if (title) {
3798  pos = avio_tell(pb);
3799  avio_wb32(pb, 0); /* size placeholder*/
3800  ffio_wfourcc(pb, "uuid");
3801  ffio_wfourcc(pb, "USMT");
3802  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3803  avio_wb32(pb, 0xbb88695c);
3804  avio_wb32(pb, 0xfac9c740);
3805 
3806  pos2 = avio_tell(pb);
3807  avio_wb32(pb, 0); /* size placeholder*/
3808  ffio_wfourcc(pb, "MTDT");
3809  avio_wb16(pb, 4);
3810 
3811  // ?
3812  avio_wb16(pb, 0x0C); /* size */
3813  avio_wb32(pb, 0x0B); /* type */
3814  avio_wb16(pb, language_code("und")); /* language */
3815  avio_wb16(pb, 0x0); /* ? */
3816  avio_wb16(pb, 0x021C); /* data */
3817 
3818  if (!(s->flags & AVFMT_FLAG_BITEXACT))
3819  mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3820  mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3821  mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3822 
3823  update_size(pb, pos2);
3824  return update_size(pb, pos);
3825  }
3826 
3827  return 0;
3828 }
3829 
3830 static void build_chunks(MOVTrack *trk)
3831 {
3832  int i;
3833  MOVIentry *chunk = &trk->cluster[0];
3834  uint64_t chunkSize = chunk->size;
3835  chunk->chunkNum = 1;
3836  if (trk->chunkCount)
3837  return;
3838  trk->chunkCount = 1;
3839  for (i = 1; i<trk->entry; i++){
3840  if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3841  chunkSize + trk->cluster[i].size < (1<<20)){
3842  chunkSize += trk->cluster[i].size;
3843  chunk->samples_in_chunk += trk->cluster[i].entries;
3844  } else {
3845  trk->cluster[i].chunkNum = chunk->chunkNum+1;
3846  chunk=&trk->cluster[i];
3847  chunkSize = chunk->size;
3848  trk->chunkCount++;
3849  }
3850  }
3851 }
3852 
3853 /**
3854  * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3855  * the stream ids are used as track ids.
3856  *
3857  * This assumes mov->tracks and s->streams are in the same order and
3858  * there are no gaps in either of them (so mov->tracks[n] refers to
3859  * s->streams[n]).
3860  *
3861  * As an exception, there can be more entries in
3862  * s->streams than in mov->tracks, in which case new track ids are
3863  * generated (starting after the largest found stream id).
3864  */
3866 {
3867  int i;
3868 
3869  if (mov->track_ids_ok)
3870  return 0;
3871 
3872  if (mov->use_stream_ids_as_track_ids) {
3873  int next_generated_track_id = 0;
3874  for (i = 0; i < s->nb_streams; i++) {
3875  if (s->streams[i]->id > next_generated_track_id)
3876  next_generated_track_id = s->streams[i]->id;
3877  }
3878 
3879  for (i = 0; i < mov->nb_streams; i++) {
3880  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3881  continue;
3882 
3883  mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3884  }
3885  } else {
3886  for (i = 0; i < mov->nb_streams; i++) {
3887  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3888  continue;
3889 
3890  mov->tracks[i].track_id = i + 1;
3891  }
3892  }
3893 
3894  mov->track_ids_ok = 1;
3895 
3896  return 0;
3897 }
3898 
3900  AVFormatContext *s)
3901 {
3902  int i;
3903  int64_t pos = avio_tell(pb);
3904  avio_wb32(pb, 0); /* size placeholder*/
3905  ffio_wfourcc(pb, "moov");
3906 
3907  mov_setup_track_ids(mov, s);
3908 
3909  for (i = 0; i < mov->nb_streams; i++) {
3910  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3911  continue;
3912 
3913  mov->tracks[i].time = mov->time;
3914 
3915  if (mov->tracks[i].entry)
3916  build_chunks(&mov->tracks[i]);
3917  }
3918 
3919  if (mov->chapter_track)
3920  for (i = 0; i < s->nb_streams; i++) {
3921  mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3922  mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3923  }
3924  for (i = 0; i < mov->nb_streams; i++) {
3925  MOVTrack *track = &mov->tracks[i];
3926  if (track->tag == MKTAG('r','t','p',' ')) {
3927  track->tref_tag = MKTAG('h','i','n','t');
3928  track->tref_id = mov->tracks[track->src_track].track_id;
3929  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3930  int * fallback, size;
3931  fallback = (int*)av_stream_get_side_data(track->st,
3933  &size);
3934  if (fallback != NULL && size == sizeof(int)) {
3935  if (*fallback >= 0 && *fallback < mov->nb_streams) {
3936  track->tref_tag = MKTAG('f','a','l','l');
3937  track->tref_id = mov->tracks[*fallback].track_id;
3938  }
3939  }
3940  }
3941  }
3942  for (i = 0; i < mov->nb_streams; i++) {
3943  if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3944  int src_trk = mov->tracks[i].src_track;
3945  mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3946  mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3947  //src_trk may have a different timescale than the tmcd track
3948  mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3949  mov->tracks[i].timescale,
3950  mov->tracks[src_trk].timescale);
3951  }
3952  }
3953 
3954  mov_write_mvhd_tag(pb, mov);
3955  if (mov->mode != MODE_MOV && !mov->iods_skip)
3956  mov_write_iods_tag(pb, mov);
3957  for (i = 0; i < mov->nb_streams; i++) {
3958  if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3959  int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3960  if (ret < 0)
3961  return ret;
3962  }
3963  }
3964  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3965  mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3966 
3967  if (mov->mode == MODE_PSP)
3968  mov_write_uuidusmt_tag(pb, s);
3969  else
3970  mov_write_udta_tag(pb, mov, s);
3971 
3972  return update_size(pb, pos);
3973 }
3974 
3975 static void param_write_int(AVIOContext *pb, const char *name, int value)
3976 {
3977  avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3978 }
3979 
3980 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3981 {
3982  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3983 }
3984 
3985 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3986 {
3987  char buf[150];
3988  len = FFMIN(sizeof(buf) / 2 - 1, len);
3989  ff_data_to_hex(buf, value, len, 0);
3990  buf[2 * len] = '\0';
3991  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3992 }
3993 
3995 {
3996  int64_t pos = avio_tell(pb);
3997  int i;
3998  int64_t manifest_bit_rate = 0;
3999  AVCPBProperties *props = NULL;
4000 
4001  static const uint8_t uuid[] = {
4002  0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
4003  0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
4004  };
4005 
4006  avio_wb32(pb, 0);
4007  ffio_wfourcc(pb, "uuid");
4008  avio_write(pb, uuid, sizeof(uuid));
4009  avio_wb32(pb, 0);
4010 
4011  avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
4012  avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
4013  avio_printf(pb, "<head>\n");
4014  if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
4015  avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
4017  avio_printf(pb, "</head>\n");
4018  avio_printf(pb, "<body>\n");
4019  avio_printf(pb, "<switch>\n");
4020 
4021  mov_setup_track_ids(mov, s);
4022 
4023  for (i = 0; i < mov->nb_streams; i++) {
4024  MOVTrack *track = &mov->tracks[i];
4025  const char *type;
4026  int track_id = track->track_id;
4027  char track_name_buf[32] = { 0 };
4028 
4029  AVStream *st = track->st;
4030  AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
4031 
4032  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
4033  type = "video";
4034  } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
4035  type = "audio";
4036  } else {
4037  continue;
4038  }
4039 
4041 
4042  if (track->par->bit_rate) {
4043  manifest_bit_rate = track->par->bit_rate;
4044  } else if (props) {
4045  manifest_bit_rate = props->max_bitrate;
4046  }
4047 
4048  avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
4049  manifest_bit_rate);
4050  param_write_int(pb, "systemBitrate", manifest_bit_rate);
4051  param_write_int(pb, "trackID", track_id);
4052  param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
4053 
4054  /* Build track name piece by piece: */
4055  /* 1. track type */
4056  av_strlcat(track_name_buf, type, sizeof(track_name_buf));
4057  /* 2. track language, if available */
4058  if (lang)
4059  av_strlcatf(track_name_buf, sizeof(track_name_buf),
4060  "_%s", lang->value);
4061  /* 3. special type suffix */
4062  /* "_cc" = closed captions, "_ad" = audio_description */
4064  av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
4066  av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
4067 
4068  param_write_string(pb, "trackName", track_name_buf);
4069 
4070  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4071  if (track->par->codec_id == AV_CODEC_ID_H264) {
4072  uint8_t *ptr;
4073  int size = track->par->extradata_size;
4074  if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
4075  &size)) {
4076  param_write_hex(pb, "CodecPrivateData",
4077  ptr ? ptr : track->par->extradata,
4078  size);
4079  av_free(ptr);
4080  }
4081  param_write_string(pb, "FourCC", "H264");
4082  } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
4083  param_write_string(pb, "FourCC", "WVC1");
4084  param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4085  track->par->extradata_size);
4086  }
4087  param_write_int(pb, "MaxWidth", track->par->width);
4088  param_write_int(pb, "MaxHeight", track->par->height);
4089  param_write_int(pb, "DisplayWidth", track->par->width);
4090  param_write_int(pb, "DisplayHeight", track->par->height);
4091  } else {
4092  if (track->par->codec_id == AV_CODEC_ID_AAC) {
4093  switch (track->par->profile)
4094  {
4095  case FF_PROFILE_AAC_HE_V2:
4096  param_write_string(pb, "FourCC", "AACP");
4097  break;
4098  case FF_PROFILE_AAC_HE:
4099  param_write_string(pb, "FourCC", "AACH");
4100  break;
4101  default:
4102  param_write_string(pb, "FourCC", "AACL");
4103  }
4104  } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
4105  param_write_string(pb, "FourCC", "WMAP");
4106  }
4107  param_write_hex(pb, "CodecPrivateData", track->par->extradata,
4108  track->par->extradata_size);
4110  track->par->codec_id));
4111  param_write_int(pb, "Channels", track->par->channels);
4112  param_write_int(pb, "SamplingRate", track->par->sample_rate);
4113  param_write_int(pb, "BitsPerSample", 16);
4114  param_write_int(pb, "PacketSize", track->par->block_align ?
4115  track->par->block_align : 4);
4116  }
4117  avio_printf(pb, "</%s>\n", type);
4118  }
4119  avio_printf(pb, "</switch>\n");
4120  avio_printf(pb, "</body>\n");
4121  avio_printf(pb, "</smil>\n");
4122 
4123  return update_size(pb, pos);
4124 }
4125 
4127 {
4128  avio_wb32(pb, 16);
4129  ffio_wfourcc(pb, "mfhd");
4130  avio_wb32(pb, 0);
4131  avio_wb32(pb, mov->fragments);
4132  return 0;
4133 }
4134 
4135 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
4136 {
4139 }
4140 
4142  MOVTrack *track, int64_t moof_offset)
4143 {
4144  int64_t pos = avio_tell(pb);
4147  if (!track->entry) {
4148  flags |= MOV_TFHD_DURATION_IS_EMPTY;
4149  } else {
4150  flags |= MOV_TFHD_DEFAULT_FLAGS;
4151  }
4153  flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4154  if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
4155  flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
4157  }
4158 
4159  /* Don't set a default sample size, the silverlight player refuses
4160  * to play files with that set. Don't set a default sample duration,
4161  * WMP freaks out if it is set. Don't set a base data offset, PIFF
4162  * file format says it MUST NOT be set. */
4163  if (track->mode == MODE_ISM)
4166 
4167  avio_wb32(pb, 0); /* size placeholder */
4168  ffio_wfourcc(pb, "tfhd");
4169  avio_w8(pb, 0); /* version */
4170  avio_wb24(pb, flags);
4171 
4172  avio_wb32(pb, track->track_id); /* track-id */
4173  if (flags & MOV_TFHD_BASE_DATA_OFFSET)
4174  avio_wb64(pb, moof_offset);
4175  if (flags & MOV_TFHD_DEFAULT_DURATION) {
4176  track->default_duration = get_cluster_duration(track, 0);
4177  avio_wb32(pb, track->default_duration);
4178  }
4179  if (flags & MOV_TFHD_DEFAULT_SIZE) {
4180  track->default_size = track->entry ? track->cluster[0].size : 1;
4181  avio_wb32(pb, track->default_size);
4182  } else
4183  track->default_size = -1;
4184 
4185  if (flags & MOV_TFHD_DEFAULT_FLAGS) {
4186  /* Set the default flags based on the second sample, if available.
4187  * If the first sample is different, that can be signaled via a separate field. */
4188  if (track->entry > 1)
4189  track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
4190  else
4191  track->default_sample_flags =
4192  track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
4195  avio_wb32(pb, track->default_sample_flags);
4196  }
4197 
4198  return update_size(pb, pos);
4199 }
4200 
4202  MOVTrack *track, int moof_size,
4203  int first, int end)
4204 {
4205  int64_t pos = avio_tell(pb);
4206  uint32_t flags = MOV_TRUN_DATA_OFFSET;
4207  int i;
4208 
4209  for (i = first; i < end; i++) {
4210  if (get_cluster_duration(track, i) != track->default_duration)
4211  flags |= MOV_TRUN_SAMPLE_DURATION;
4212  if (track->cluster[i].size != track->default_size)
4213  flags |= MOV_TRUN_SAMPLE_SIZE;
4214  if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
4215  flags |= MOV_TRUN_SAMPLE_FLAGS;
4216  }
4217  if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
4218  get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
4219  flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
4220  if (track->flags & MOV_TRACK_CTTS)
4221  flags |= MOV_TRUN_SAMPLE_CTS;
4222 
4223  avio_wb32(pb, 0); /* size placeholder */
4224  ffio_wfourcc(pb, "trun");
4226  avio_w8(pb, 1); /* version */
4227  else
4228  avio_w8(pb, 0); /* version */
4229  avio_wb24(pb, flags);
4230 
4231  avio_wb32(pb, end - first); /* sample count */
4232  if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
4234  !mov->first_trun)
4235  avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
4236  else
4237  avio_wb32(pb, moof_size + 8 + track->data_offset +
4238  track->cluster[first].pos); /* data offset */
4239  if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
4240  avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
4241 
4242  for (i = first; i < end; i++) {
4243  if (flags & MOV_TRUN_SAMPLE_DURATION)
4244  avio_wb32(pb, get_cluster_duration(track, i));
4245  if (flags & MOV_TRUN_SAMPLE_SIZE)
4246  avio_wb32(pb, track->cluster[i].size);
4247  if (flags & MOV_TRUN_SAMPLE_FLAGS)
4248  avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
4249  if (flags & MOV_TRUN_SAMPLE_CTS)
4250  avio_wb32(pb, track->cluster[i].cts);
4251  }
4252 
4253  mov->first_trun = 0;
4254  return update_size(pb, pos);
4255 }
4256 
4257 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
4258 {
4259  int64_t pos = avio_tell(pb);
4260  static const uint8_t uuid[] = {
4261  0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
4262  0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
4263  };
4264 
4265  avio_wb32(pb, 0); /* size placeholder */
4266  ffio_wfourcc(pb, "uuid");
4267  avio_write(pb, uuid, sizeof(uuid));
4268  avio_w8(pb, 1);
4269  avio_wb24(pb, 0);
4270  avio_wb64(pb, track->start_dts + track->frag_start +
4271  track->cluster[0].cts);
4272  avio_wb64(pb, track->end_pts -
4273  (track->cluster[0].dts + track->cluster[0].cts));
4274 
4275  return update_size(pb, pos);
4276 }
4277 
4279  MOVTrack *track, int entry)
4280 {
4281  int n = track->nb_frag_info - 1 - entry, i;
4282  int size = 8 + 16 + 4 + 1 + 16*n;
4283  static const uint8_t uuid[] = {
4284  0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4285  0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4286  };
4287 
4288  if (entry < 0)
4289  return 0;
4290 
4291  avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4292  avio_wb32(pb, size);
4293  ffio_wfourcc(pb, "uuid");
4294  avio_write(pb, uuid, sizeof(uuid));
4295  avio_w8(pb, 1);
4296  avio_wb24(pb, 0);
4297  avio_w8(pb, n);
4298  for (i = 0; i < n; i++) {
4299  int index = entry + 1 + i;
4300  avio_wb64(pb, track->frag_info[index].time);
4301  avio_wb64(pb, track->frag_info[index].duration);
4302  }
4303  if (n < mov->ism_lookahead) {
4304  int free_size = 16 * (mov->ism_lookahead - n);
4305  avio_wb32(pb, free_size);
4306  ffio_wfourcc(pb, "free");
4307  ffio_fill(pb, 0, free_size - 8);
4308  }
4309 
4310  return 0;
4311 }
4312 
4314  MOVTrack *track)
4315 {
4316  int64_t pos = avio_tell(pb);
4317  int i;
4318  for (i = 0; i < mov->ism_lookahead; i++) {
4319  /* Update the tfrf tag for the last ism_lookahead fragments,
4320  * nb_frag_info - 1 is the next fragment to be written. */
4321  mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4322  }
4323  avio_seek(pb, pos, SEEK_SET);
4324  return 0;
4325 }
4326 
4327 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4328  int size)
4329 {
4330  int i;
4331  for (i = 0; i < mov->nb_streams; i++) {
4332  MOVTrack *track = &mov->tracks[i];
4333  MOVFragmentInfo *info;
4334  if ((tracks >= 0 && i != tracks) || !track->entry)
4335  continue;
4336  track->nb_frag_info++;
4337  if (track->nb_frag_info >= track->frag_info_capacity) {
4338  unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4339  if (av_reallocp_array(&track->frag_info,
4340  new_capacity,
4341  sizeof(*track->frag_info)))
4342  return AVERROR(ENOMEM);
4343  track->frag_info_capacity = new_capacity;
4344  }
4345  info = &track->frag_info[track->nb_frag_info - 1];
4346  info->offset = avio_tell(pb);
4347  info->size = size;
4348  // Try to recreate the original pts for the first packet
4349  // from the fields we have stored
4350  info->time = track->start_dts + track->frag_start +
4351  track->cluster[0].cts;
4352  info->duration = track->end_pts -
4353  (track->cluster[0].dts + track->cluster[0].cts);
4354  // If the pts is less than zero, we will have trimmed
4355  // away parts of the media track using an edit list,
4356  // and the corresponding start presentation time is zero.
4357  if (info->time < 0) {
4358  info->duration += info->time;
4359  info->time = 0;
4360  }
4361  info->tfrf_offset = 0;
4362  mov_write_tfrf_tags(pb, mov, track);
4363  }
4364  return 0;
4365 }
4366 
4367 static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4368 {
4369  int i;
4370  for (i = 0; i < mov->nb_streams; i++) {
4371  MOVTrack *track = &mov->tracks[i];
4372  if ((tracks >= 0 && i != tracks) || !track->entry)
4373  continue;
4374  if (track->nb_frag_info > max) {
4375  memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4376  track->nb_frag_info = max;
4377  }
4378  }
4379 }
4380 
4381 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4382 {
4383  int64_t pos = avio_tell(pb);
4384 
4385  avio_wb32(pb, 0); /* size */
4386  ffio_wfourcc(pb, "tfdt");
4387  avio_w8(pb, 1); /* version */
4388  avio_wb24(pb, 0);
4389  avio_wb64(pb, track->frag_start);
4390  return update_size(pb, pos);
4391 }
4392 
4394  MOVTrack *track, int64_t moof_offset,
4395  int moof_size)
4396 {
4397  int64_t pos = avio_tell(pb);
4398  int i, start = 0;
4399  avio_wb32(pb, 0); /* size placeholder */
4400  ffio_wfourcc(pb, "traf");
4401 
4402  mov_write_tfhd_tag(pb, mov, track, moof_offset);
4403  if (mov->mode != MODE_ISM)
4404  mov_write_tfdt_tag(pb, track);
4405  for (i = 1; i < track->entry; i++) {
4406  if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4407  mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4408  start = i;
4409  }
4410  }
4411  mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4412  if (mov->mode == MODE_ISM) {
4413  mov_write_tfxd_tag(pb, track);
4414 
4415  if (mov->ism_lookahead) {
4416  int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4417 
4418  if (track->nb_frag_info > 0) {
4419  MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4420  if (!info->tfrf_offset)
4421  info->tfrf_offset = avio_tell(pb);
4422  }
4423  avio_wb32(pb, 8 + size);
4424  ffio_wfourcc(pb, "free");
4425  for (i = 0; i < size; i++)
4426  avio_w8(pb, 0);
4427  }
4428  }
4429 
4430  return update_size(pb, pos);
4431 }
4432 
4434  int tracks, int moof_size)
4435 {
4436  int64_t pos = avio_tell(pb);
4437  int i;
4438 
4439  avio_wb32(pb, 0); /* size placeholder */
4440  ffio_wfourcc(pb, "moof");
4441  mov->first_trun = 1;
4442 
4443  mov_write_mfhd_tag(pb, mov);
4444  for (i = 0; i < mov->nb_streams; i++) {
4445  MOVTrack *track = &mov->tracks[i];
4446  if (tracks >= 0 && i != tracks)
4447  continue;
4448  if (!track->entry)
4449  continue;
4450  mov_write_traf_tag(pb, mov, track, pos, moof_size);
4451  }
4452 
4453  return update_size(pb, pos);
4454 }
4455 
4457  MOVTrack *track, int ref_size, int total_sidx_size)
4458 {
4459  int64_t pos = avio_tell(pb), offset_pos, end_pos;
4460  int64_t presentation_time, duration, offset;
4461  int starts_with_SAP, i, entries;
4462 
4463  if (track->entry) {
4464  entries = 1;
4465  presentation_time = track->start_dts + track->frag_start +
4466  track->cluster[0].cts;
4467  duration = track->end_pts -
4468  (track->cluster[0].dts + track->cluster[0].cts);
4469  starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4470 
4471  // pts<0 should be cut away using edts
4472  if (presentation_time < 0) {
4473  duration += presentation_time;
4474  presentation_time = 0;
4475  }
4476  } else {
4477  entries = track->nb_frag_info;
4478  if (entries <= 0)
4479  return 0;
4480  presentation_time = track->frag_info[0].time;
4481  }
4482 
4483  avio_wb32(pb, 0); /* size */
4484  ffio_wfourcc(pb, "sidx");
4485  avio_w8(pb, 1); /* version */
4486  avio_wb24(pb, 0);
4487  avio_wb32(pb, track->track_id); /* reference_ID */
4488  avio_wb32(pb, track->timescale); /* timescale */
4489  avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4490  offset_pos = avio_tell(pb);
4491  avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4492  avio_wb16(pb, 0); /* reserved */
4493 
4494  avio_wb16(pb, entries); /* reference_count */
4495  for (i = 0; i < entries; i++) {
4496  if (!track->entry) {
4497  if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4498  av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4499  }
4500  duration = track->frag_info[i].duration;
4501  ref_size = track->frag_info[i].size;
4502  starts_with_SAP = 1;
4503  }
4504  avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4505  avio_wb32(pb, duration); /* subsegment_duration */
4506  avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4507  }
4508 
4509  end_pos = avio_tell(pb);
4510  offset = pos + total_sidx_size - end_pos;
4511  avio_seek(pb, offset_pos, SEEK_SET);
4512  avio_wb64(pb, offset);
4513  avio_seek(pb, end_pos, SEEK_SET);
4514  return update_size(pb, pos);
4515 }
4516 
4518  int tracks, int ref_size)
4519 {
4520  int i, round, ret;
4521  AVIOContext *avio_buf;
4522  int total_size = 0;
4523  for (round = 0; round < 2; round++) {
4524  // First run one round to calculate the total size of all
4525  // sidx atoms.
4526  // This would be much simpler if we'd only write one sidx
4527  // atom, for the first track in the moof.
4528  if (round == 0) {
4529  if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4530  return ret;
4531  } else {
4532  avio_buf = pb;
4533  }
4534  for (i = 0; i < mov->nb_streams; i++) {
4535  MOVTrack *track = &mov->tracks[i];
4536  if (tracks >= 0 && i != tracks)
4537  continue;
4538  // When writing a sidx for the full file, entry is 0, but
4539  // we want to include all tracks. ref_size is 0 in this case,
4540  // since we read it from frag_info instead.
4541  if (!track->entry && ref_size > 0)
4542  continue;
4543  total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4544  total_size);
4545  }
4546  if (round == 0)
4547  total_size = ffio_close_null_buf(avio_buf);
4548  }
4549  return 0;
4550 }
4551 
4552 static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
4553 {
4554  int64_t pos = avio_tell(pb), pts_us, ntp_ts;
4555  MOVTrack *first_track;
4556 
4557  /* PRFT should be associated with at most one track. So, choosing only the
4558  * first track. */
4559  if (tracks > 0)
4560  return 0;
4561  first_track = &(mov->tracks[0]);
4562 
4563  if (!first_track->entry) {
4564  av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
4565  return 0;
4566  }
4567 
4568  if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
4569  av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
4570  return 0;
4571  }
4572 
4573  if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
4575  } else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
4576  pts_us = av_rescale_q(first_track->cluster[0].pts,
4577  first_track->st->time_base, AV_TIME_BASE_Q);
4578  ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
4579  } else {
4580  av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
4581  mov->write_prft);
4582  return 0;
4583  }
4584 
4585  avio_wb32(pb, 0); // Size place holder
4586  ffio_wfourcc(pb, "prft"); // Type
4587  avio_w8(pb, 1); // Version
4588  avio_wb24(pb, 0); // Flags
4589  avio_wb32(pb, first_track->track_id); // reference track ID
4590  avio_wb64(pb, ntp_ts); // NTP time stamp
4591  avio_wb64(pb, first_track->cluster[0].pts); //media time
4592  return update_size(pb, pos);
4593 }
4594 
4595 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4596  int64_t mdat_size)
4597 {
4598  AVIOContext *avio_buf;
4599  int ret, moof_size;
4600 
4601  if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4602  return ret;
4603  mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4604  moof_size = ffio_close_null_buf(avio_buf);
4605 
4606  if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4607  mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4608 
4609  if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
4610  mov_write_prft_tag(pb, mov, tracks);
4611 
4612  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4613  !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4614  mov->ism_lookahead) {
4615  if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4616  return ret;
4617  if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4619  mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4620  }
4621  }
4622 
4623  return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4624 }
4625 
4626 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4627 {
4628  int64_t pos = avio_tell(pb);
4629  int i;
4630 
4631  avio_wb32(pb, 0); /* size placeholder */
4632  ffio_wfourcc(pb, "tfra");
4633  avio_w8(pb, 1); /* version */
4634  avio_wb24(pb, 0);
4635 
4636  avio_wb32(pb, track->track_id);
4637  avio_wb32(pb, 0); /* length of traf/trun/sample num */
4638  avio_wb32(pb, track->nb_frag_info);
4639  for (i = 0; i < track->nb_frag_info; i++) {
4640  avio_wb64(pb, track->frag_info[i].time);
4641  avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4642  avio_w8(pb, 1); /* traf number */
4643  avio_w8(pb, 1); /* trun number */
4644  avio_w8(pb, 1); /* sample number */
4645  }
4646 
4647  return update_size(pb, pos);
4648 }
4649 
4651 {
4652  int64_t pos = avio_tell(pb);
4653  int i;
4654 
4655  avio_wb32(pb, 0); /* size placeholder */
4656  ffio_wfourcc(pb, "mfra");
4657  /* An empty mfra atom is enough to indicate to the publishing point that
4658  * the stream has ended. */
4659  if (mov->flags & FF_MOV_FLAG_ISML)
4660  return update_size(pb, pos);
4661 
4662  for (i = 0; i < mov->nb_streams; i++) {
4663  MOVTrack *track = &mov->tracks[i];
4664  if (track->nb_frag_info)
4665  mov_write_tfra_tag(pb, track);
4666  }
4667 
4668  avio_wb32(pb, 16);
4669  ffio_wfourcc(pb, "mfro");
4670  avio_wb32(pb, 0); /* version + flags */
4671  avio_wb32(pb, avio_tell(pb) + 4 - pos);
4672 
4673  return update_size(pb, pos);
4674 }
4675 
4677 {
4678  avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4679  ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4680 
4681  mov->mdat_pos = avio_tell(pb);
4682  avio_wb32(pb, 0); /* size placeholder*/
4683  ffio_wfourcc(pb, "mdat");
4684  return 0;
4685 }
4686 
4687 /* TODO: This needs to be more general */
4689 {
4690  MOVMuxContext *mov = s->priv_data;
4691  int64_t pos = avio_tell(pb);
4692  int has_h264 = 0, has_video = 0;
4693  int minor = 0x200;
4694  int i;
4695 
4696  for (i = 0; i < s->nb_streams; i++) {
4697  AVStream *st = s->streams[i];
4698  if (is_cover_image(st))
4699  continue;
4701  has_video = 1;
4702  if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4703  has_h264 = 1;
4704  }
4705 
4706  avio_wb32(pb, 0); /* size */
4707  ffio_wfourcc(pb, "ftyp");
4708 
4709  if (mov->major_brand && strlen(mov->major_brand) >= 4)
4710  ffio_wfourcc(pb, mov->major_brand);
4711  else if (mov->mode == MODE_3GP) {
4712  ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4713  minor = has_h264 ? 0x100 : 0x200;
4714  } else if (mov->mode & MODE_3G2) {
4715  ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4716  minor = has_h264 ? 0x20000 : 0x10000;
4717  } else if (mov->mode == MODE_PSP)
4718  ffio_wfourcc(pb, "MSNV");
4719  else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4720  ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4721  else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
4722  ffio_wfourcc(pb, "iso4");
4723  else if (mov->mode == MODE_MP4)
4724  ffio_wfourcc(pb, "isom");
4725  else if (mov->mode == MODE_IPOD)
4726  ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4727  else if (mov->mode == MODE_ISM)
4728  ffio_wfourcc(pb, "isml");
4729  else if (mov->mode == MODE_F4V)
4730  ffio_wfourcc(pb, "f4v ");
4731  else
4732  ffio_wfourcc(pb, "qt ");
4733 
4734  avio_wb32(pb, minor);
4735 
4736  if (mov->mode == MODE_MOV)
4737  ffio_wfourcc(pb, "qt ");
4738  else if (mov->mode == MODE_ISM) {
4739  ffio_wfourcc(pb, "piff");
4740  } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4741  ffio_wfourcc(pb, "isom");
4742  ffio_wfourcc(pb, "iso2");
4743  if (has_h264)
4744  ffio_wfourcc(pb, "avc1");
4745  }
4746 
4747  // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4748  // brand. This is compatible with users that don't understand tfdt.
4749  if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4750  ffio_wfourcc(pb, "iso6");
4751 
4752  if (mov->mode == MODE_3GP)
4753  ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4754  else if (mov->mode & MODE_3G2)
4755  ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4756  else if (mov->mode == MODE_PSP)
4757  ffio_wfourcc(pb, "MSNV");
4758  else if (mov->mode == MODE_MP4)
4759  ffio_wfourcc(pb, "mp41");
4760 
4761  if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4762  ffio_wfourcc(pb, "dash");
4763 
4764  return update_size(pb, pos);
4765 }
4766 
4768 {
4769  AVStream *video_st = s->streams[0];
4770  AVCodecParameters *video_par = s->streams[0]->codecpar;
4771  AVCodecParameters *audio_par = s->streams[1]->codecpar;
4772  int audio_rate = audio_par->sample_rate;
4773  int64_t frame_rate = video_st->avg_frame_rate.den ?
4774  (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4775  0;
4776  int audio_kbitrate = audio_par->bit_rate / 1000;
4777  int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4778 
4779  if (frame_rate < 0 || frame_rate > INT32_MAX) {
4780  av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4781  return AVERROR(EINVAL);
4782  }
4783 
4784  avio_wb32(pb, 0x94); /* size */
4785  ffio_wfourcc(pb, "uuid");
4786  ffio_wfourcc(pb, "PROF");
4787 
4788  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4789  avio_wb32(pb, 0xbb88695c);
4790  avio_wb32(pb, 0xfac9c740);
4791 
4792  avio_wb32(pb, 0x0); /* ? */
4793  avio_wb32(pb, 0x3); /* 3 sections ? */
4794 
4795  avio_wb32(pb, 0x14); /* size */
4796  ffio_wfourcc(pb, "FPRF");
4797  avio_wb32(pb, 0x0); /* ? */
4798  avio_wb32(pb, 0x0); /* ? */
4799  avio_wb32(pb, 0x0); /* ? */
4800 
4801  avio_wb32(pb, 0x2c); /* size */
4802  ffio_wfourcc(pb, "APRF"); /* audio */
4803  avio_wb32(pb, 0x0);
4804  avio_wb32(pb, 0x2); /* TrackID */
4805  ffio_wfourcc(pb, "mp4a");
4806  avio_wb32(pb, 0x20f);
4807  avio_wb32(pb, 0x0);
4808  avio_wb32(pb, audio_kbitrate);
4809  avio_wb32(pb, audio_kbitrate);
4810  avio_wb32(pb, audio_rate);
4811  avio_wb32(pb, audio_par->channels);
4812 
4813  avio_wb32(pb, 0x34); /* size */
4814  ffio_wfourcc(pb, "VPRF"); /* video */
4815  avio_wb32(pb, 0x0);
4816  avio_wb32(pb, 0x1); /* TrackID */
4817  if (video_par->codec_id == AV_CODEC_ID_H264) {
4818  ffio_wfourcc(pb, "avc1");
4819  avio_wb16(pb, 0x014D);
4820  avio_wb16(pb, 0x0015);
4821  } else {
4822  ffio_wfourcc(pb, "mp4v");
4823  avio_wb16(pb, 0x0000);
4824  avio_wb16(pb, 0x0103);
4825  }
4826  avio_wb32(pb, 0x0);
4827  avio_wb32(pb, video_kbitrate);
4828  avio_wb32(pb, video_kbitrate);
4829  avio_wb32(pb, frame_rate);
4830  avio_wb32(pb, frame_rate);
4831  avio_wb16(pb, video_par->width);
4832  avio_wb16(pb, video_par->height);
4833  avio_wb32(pb, 0x010001); /* ? */
4834 
4835  return 0;
4836 }
4837 
4839 {
4840  MOVMuxContext *mov = s->priv_data;
4841  int i;
4842 
4843  mov_write_ftyp_tag(pb,s);
4844  if (mov->mode == MODE_PSP) {
4845  int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4846  for (i = 0; i < s->nb_streams; i++) {
4847  AVStream *st = s->streams[i];
4848  if (is_cover_image(st))
4849  continue;
4851  video_streams_nb++;
4852  else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4853  audio_streams_nb++;
4854  else
4855  other_streams_nb++;
4856  }
4857 
4858  if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4859  av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4860  return AVERROR(EINVAL);
4861  }
4862  return mov_write_uuidprof_tag(pb, s);
4863  }
4864  return 0;
4865 }
4866 
4867 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4868 {
4869  uint32_t c = -1;
4870  int i, closed_gop = 0;
4871 
4872  for (i = 0; i < pkt->size - 4; i++) {
4873  c = (c << 8) + pkt->data[i];
4874  if (c == 0x1b8) { // gop
4875  closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4876  } else if (c == 0x100) { // pic
4877  int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4878  if (!temp_ref || closed_gop) // I picture is not reordered
4879  *flags = MOV_SYNC_SAMPLE;
4880  else
4881  *flags = MOV_PARTIAL_SYNC_SAMPLE;
4882  break;
4883  }
4884  }
4885  return 0;
4886 }
4887 
4888 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4889 {
4890  const uint8_t *start, *next, *end = pkt->data + pkt->size;
4891  int seq = 0, entry = 0;
4892  int key = pkt->flags & AV_PKT_FLAG_KEY;
4893  start = find_next_marker(pkt->data, end);
4894  for (next = start; next < end; start = next) {
4895  next = find_next_marker(start + 4, end);
4896  switch (AV_RB32(start)) {
4897  case VC1_CODE_SEQHDR:
4898  seq = 1;
4899  break;
4900  case VC1_CODE_ENTRYPOINT:
4901  entry = 1;
4902  break;
4903  case VC1_CODE_SLICE:
4904  trk->vc1_info.slices = 1;
4905  break;
4906  }
4907  }
4908  if (!trk->entry && trk->vc1_info.first_packet_seen)
4909  trk->vc1_info.first_frag_written = 1;
4910  if (!trk->entry && !trk->vc1_info.first_frag_written) {
4911  /* First packet in first fragment */
4912  trk->vc1_info.first_packet_seq = seq;
4913  trk->vc1_info.first_packet_entry = entry;
4914  trk->vc1_info.first_packet_seen = 1;
4915  } else if ((seq && !trk->vc1_info.packet_seq) ||
4916  (entry && !trk->vc1_info.packet_entry)) {
4917  int i;
4918  for (i = 0; i < trk->entry; i++)
4919  trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4920  trk->has_keyframes = 0;
4921  if (seq)
4922  trk->vc1_info.packet_seq = 1;
4923  if (entry)
4924  trk->vc1_info.packet_entry = 1;
4925  if (!trk->vc1_info.first_frag_written) {
4926  /* First fragment */
4927  if ((!seq || trk->vc1_info.first_packet_seq) &&
4928  (!entry || trk->vc1_info.first_packet_entry)) {
4929  /* First packet had the same headers as this one, readd the
4930  * sync sample flag. */
4931  trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4932  trk->has_keyframes = 1;
4933  }
4934  }
4935  }
4936  if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4937  key = seq && entry;
4938  else if (trk->vc1_info.packet_seq)
4939  key = seq;
4940  else if (trk->vc1_info.packet_entry)
4941  key = entry;
4942  if (key) {
4943  trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4944  trk->has_keyframes++;
4945  }
4946 }
4947 
4949 {
4950  MOVMuxContext *mov = s->priv_data;
4951  int ret, buf_size;
4952  uint8_t *buf;
4953  int i, offset;
4954 
4955  if (!track->mdat_buf)
4956  return 0;
4957  if (!mov->mdat_buf) {
4958  if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4959  return ret;
4960  }
4961  buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4962  track->mdat_buf = NULL;
4963 
4964  offset = avio_tell(mov->mdat_buf);
4965  avio_write(mov->mdat_buf, buf, buf_size);
4966  av_free(buf);
4967 
4968  for (i = track->entries_flushed; i < track->entry; i++)
4969  track->cluster[i].pos += offset;
4970  track->entries_flushed = track->entry;
4971  return 0;
4972 }
4973 
4974 static int mov_flush_fragment(AVFormatContext *s, int force)
4975 {
4976  MOVMuxContext *mov = s->priv_data;
4977  int i, first_track = -1;
4978  int64_t mdat_size = 0;
4979  int ret;
4980  int has_video = 0, starts_with_key = 0, first_video_track = 1;
4981 
4982  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4983  return 0;
4984 
4985  // Try to fill in the duration of the last packet in each stream
4986  // from queued packets in the interleave queues. If the flushing
4987  // of fragments was triggered automatically by an AVPacket, we
4988  // already have reliable info for the end of that track, but other
4989  // tracks may need to be filled in.
4990  for (i = 0; i < s->nb_streams; i++) {
4991  MOVTrack *track = &mov->tracks[i];
4992  if (!track->end_reliable) {
4993  AVPacket pkt;
4994  if (!ff_interleaved_peek(s, i, &pkt, 1)) {
4995  if (track->dts_shift != AV_NOPTS_VALUE)
4996  pkt.dts += track->dts_shift;
4997  track->track_duration = pkt.dts - track->start_dts;
4998  if (pkt.pts != AV_NOPTS_VALUE)
4999  track->end_pts = pkt.pts;
5000  else
5001  track->end_pts = pkt.dts;
5002  }
5003  }
5004  }
5005 
5006  for (i = 0; i < mov->nb_streams; i++) {
5007  MOVTrack *track = &mov->tracks[i];
5008  if (track->entry <= 1)
5009  continue;
5010  // Sample durations are calculated as the diff of dts values,
5011  // but for the last sample in a fragment, we don't know the dts
5012  // of the first sample in the next fragment, so we have to rely
5013  // on what was set as duration in the AVPacket. Not all callers
5014  // set this though, so we might want to replace it with an
5015  // estimate if it currently is zero.
5016  if (get_cluster_duration(track, track->entry - 1) != 0)
5017  continue;
5018  // Use the duration (i.e. dts diff) of the second last sample for
5019  // the last one. This is a wild guess (and fatal if it turns out
5020  // to be too long), but probably the best we can do - having a zero
5021  // duration is bad as well.
5022  track->track_duration += get_cluster_duration(track, track->entry - 2);
5023  track->end_pts += get_cluster_duration(track, track->entry - 2);
5024  if (!mov->missing_duration_warned) {
5026  "Estimating the duration of the last packet in a "
5027  "fragment, consider setting the duration field in "
5028  "AVPacket instead.\n");
5029  mov->missing_duration_warned = 1;
5030  }
5031  }
5032 
5033  if (!mov->moov_written) {
5034  int64_t pos = avio_tell(s->pb);
5035  uint8_t *buf;
5036  int buf_size, moov_size;
5037 
5038  for (i = 0; i < mov->nb_streams; i++)
5039  if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
5040  break;
5041  /* Don't write the initial moov unless all tracks have data */
5042  if (i < mov->nb_streams && !force)
5043  return 0;
5044 
5045  moov_size = get_moov_size(s);
5046  for (i = 0; i < mov->nb_streams; i++)
5047  mov->tracks[i].data_offset = pos + moov_size + 8;
5048 
5050  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5052  if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
5053  return ret;
5054 
5055  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
5056  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5057  mov->reserved_header_pos = avio_tell(s->pb);
5058  avio_flush(s->pb);
5059  mov->moov_written = 1;
5060  return 0;
5061  }
5062 
5063  buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5064  mov->mdat_buf = NULL;
5065  avio_wb32(s->pb, buf_size + 8);
5066  ffio_wfourcc(s->pb, "mdat");
5067  avio_write(s->pb, buf, buf_size);
5068  av_free(buf);
5069 
5070  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5071  mov->reserved_header_pos = avio_tell(s->pb);
5072 
5073  mov->moov_written = 1;
5074  mov->mdat_size = 0;
5075  for (i = 0; i < mov->nb_streams; i++) {
5076  if (mov->tracks[i].entry)
5077  mov->tracks[i].frag_start += mov->tracks[i].start_dts +
5078  mov->tracks[i].track_duration -
5079  mov->tracks[i].cluster[0].dts;
5080  mov->tracks[i].entry = 0;
5081  mov->tracks[i].end_reliable = 0;
5082  }
5083  avio_flush(s->pb);
5084  return 0;
5085  }
5086 
5087  if (mov->frag_interleave) {
5088  for (i = 0; i < mov->nb_streams; i++) {
5089  MOVTrack *track = &mov->tracks[i];
5090  int ret;
5091  if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
5092  return ret;
5093  }
5094 
5095  if (!mov->mdat_buf)
5096  return 0;
5097  mdat_size = avio_tell(mov->mdat_buf);
5098  }
5099 
5100  for (i = 0; i < mov->nb_streams; i++) {
5101  MOVTrack *track = &mov->tracks[i];
5102  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
5103  track->data_offset = 0;
5104  else
5105  track->data_offset = mdat_size;
5106  if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5107  has_video = 1;
5108  if (first_video_track) {
5109  if (track->entry)
5110  starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
5111  first_video_track = 0;
5112  }
5113  }
5114  if (!track->entry)
5115  continue;
5116  if (track->mdat_buf)
5117  mdat_size += avio_tell(track->mdat_buf);
5118  if (first_track < 0)
5119  first_track = i;
5120  }
5121 
5122  if (!mdat_size)
5123  return 0;
5124 
5125  avio_write_marker(s->pb,
5126  av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
5127  (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
5128 
5129  for (i = 0; i < mov->nb_streams; i++) {
5130  MOVTrack *track = &mov->tracks[i];
5131  int buf_size, write_moof = 1, moof_tracks = -1;
5132  uint8_t *buf;
5133  int64_t duration = 0;
5134 
5135  if (track->entry)
5136  duration = track->start_dts + track->track_duration -
5137  track->cluster[0].dts;
5138  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
5139  if (!track->mdat_buf)
5140  continue;
5141  mdat_size = avio_tell(track->mdat_buf);
5142  moof_tracks = i;
5143  } else {
5144  write_moof = i == first_track;
5145  }
5146 
5147  if (write_moof) {
5148  avio_flush(s->pb);
5149 
5150  mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
5151  mov->fragments++;
5152 
5153  avio_wb32(s->pb, mdat_size + 8);
5154  ffio_wfourcc(s->pb, "mdat");
5155  }
5156 
5157  if (track->entry)
5158  track->frag_start += duration;
5159  track->entry = 0;
5160  track->entries_flushed = 0;
5161  track->end_reliable = 0;
5162  if (!mov->frag_interleave) {
5163  if (!track->mdat_buf)
5164  continue;
5165  buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
5166  track->mdat_buf = NULL;
5167  } else {
5168  if (!mov->mdat_buf)
5169  continue;
5170  buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
5171  mov->mdat_buf = NULL;
5172  }
5173 
5174  avio_write(s->pb, buf, buf_size);
5175  av_free(buf);
5176  }
5177 
5178  mov->mdat_size = 0;
5179 
5180  avio_flush(s->pb);
5181  return 0;
5182 }
5183 
5185 {
5186  MOVMuxContext *mov = s->priv_data;
5187  int had_moov = mov->moov_written;
5188  int ret = mov_flush_fragment(s, force);
5189  if (ret < 0)
5190  return ret;
5191  // If using delay_moov, the first flush only wrote the moov,
5192  // not the actual moof+mdat pair, thus flush once again.
5193  if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5194  ret = mov_flush_fragment(s, force);
5195  return ret;
5196 }
5197 
5199 {
5200  MOVMuxContext *mov = s->priv_data;
5201  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5202  int64_t ref;
5203  uint64_t duration;
5204 
5205  if (trk->entry) {
5206  ref = trk->cluster[trk->entry - 1].dts;
5207  } else if ( trk->start_dts != AV_NOPTS_VALUE
5208  && !trk->frag_discont) {
5209  ref = trk->start_dts + trk->track_duration;
5210  } else
5211  ref = pkt->dts; // Skip tests for the first packet
5212 
5213  if (trk->dts_shift != AV_NOPTS_VALUE) {
5214  /* With negative CTS offsets we have set an offset to the DTS,
5215  * reverse this for the check. */
5216  ref -= trk->dts_shift;
5217  }
5218 
5219  duration = pkt->dts - ref;
5220  if (pkt->dts < ref || duration >= INT_MAX) {
5221  av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
5222  duration, pkt->dts
5223  );
5224 
5225  pkt->dts = ref + 1;
5226  pkt->pts = AV_NOPTS_VALUE;
5227  }
5228 
5229  if (pkt->duration < 0 || pkt->duration > INT_MAX) {
5230  av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
5231  return AVERROR(EINVAL);
5232  }
5233  return 0;
5234 }
5235 
5237 {
5238  MOVMuxContext *mov = s->priv_data;
5239  AVIOContext *pb = s->pb;
5240  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5241  AVCodecParameters *par = trk->par;
5242  unsigned int samples_in_chunk = 0;
5243  int size = pkt->size, ret = 0;
5244  uint8_t *reformatted_data = NULL;
5245 
5246  ret = check_pkt(s, pkt);
5247  if (ret < 0)
5248  return ret;
5249 
5250  if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5251  int ret;
5252  if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
5253  if (mov->frag_interleave && mov->fragments > 0) {
5254  if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
5255  if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
5256  return ret;
5257  }
5258  }
5259 
5260  if (!trk->mdat_buf) {
5261  if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
5262  return ret;
5263  }
5264  pb = trk->mdat_buf;
5265  } else {
5266  if (!mov->mdat_buf) {
5267  if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
5268  return ret;
5269  }
5270  pb = mov->mdat_buf;
5271  }
5272  }
5273 
5274  if (par->codec_id == AV_CODEC_ID_AMR_NB) {
5275  /* We must find out how many AMR blocks there are in one packet */
5276  static const uint16_t packed_size[16] =
5277  {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
5278  int len = 0;
5279 
5280  while (len < size && samples_in_chunk < 100) {
5281  len += packed_size[(pkt->data[len] >> 3) & 0x0F];
5282  samples_in_chunk++;
5283  }
5284  if (samples_in_chunk > 1) {
5285  av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
5286  return -1;
5287  }
5288  } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
5290  samples_in_chunk = trk->par->frame_size;
5291  } else if (trk->sample_size)
5292  samples_in_chunk = size / trk->sample_size;
5293  else
5294  samples_in_chunk = 1;
5295 
5296  if (samples_in_chunk < 1) {
5297  av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
5298  return AVERROR_PATCHWELCOME;
5299  }
5300 
5301  /* copy extradata if it exists */
5302  if (trk->vos_len == 0 && par->extradata_size > 0 &&
5303  !TAG_IS_AVCI(trk->tag) &&
5304  (par->codec_id != AV_CODEC_ID_DNXHD)) {
5305  trk->vos_len = par->extradata_size;
5306  trk->vos_data = av_malloc(trk->vos_len);
5307  if (!trk->vos_data) {
5308  ret = AVERROR(ENOMEM);
5309  goto err;
5310  }
5311  memcpy(trk->vos_data, par->extradata, trk->vos_len);
5312  }
5313 
5314  if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
5315  (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
5316  if (!s->streams[pkt->stream_index]->nb_frames) {
5317  av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
5318  "use the audio bitstream filter 'aac_adtstoasc' to fix it "
5319  "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
5320  return -1;
5321  }
5322  av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
5323  }
5324  if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
5325  /* from x264 or from bytestream H.264 */
5326  /* NAL reformatting needed */
5327  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5328  ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
5329  &size);
5330  avio_write(pb, reformatted_data, size);
5331  } else {
5332  if (trk->cenc.aes_ctr) {
5333  size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
5334  if (size < 0) {
5335  ret = size;
5336  goto err;
5337  }
5338  } else {
5339  size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
5340  }
5341  }
5342  } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
5343  (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
5344  /* extradata is Annex B, assume the bitstream is too and convert it */
5345  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5346  ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
5347  avio_write(pb, reformatted_data, size);
5348  } else {
5349  size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5350  }
5351  } else if (par->codec_id == AV_CODEC_ID_AV1) {
5352  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
5353  ff_av1_filter_obus_buf(pkt->data, &reformatted_data, &size);
5354  avio_write(pb, reformatted_data, size);
5355  } else {
5356  size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
5357  }
5358 #if CONFIG_AC3_PARSER
5359  } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5360  size = handle_eac3(mov, pkt, trk);
5361  if (size < 0)
5362  return size;
5363  else if (!size)
5364  goto end;
5365  avio_write(pb, pkt->data, size);
5366 #endif
5367  } else {
5368  if (trk->cenc.aes_ctr) {
5369  if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5370  int nal_size_length = (par->extradata[4] & 0x3) + 1;
5371  ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5372  } else {
5373  ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5374  }
5375 
5376  if (ret) {
5377  goto err;
5378  }
5379  } else {
5380  avio_write(pb, pkt->data, size);
5381  }
5382  }
5383 
5384  if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5385  par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5386  /* copy frame to create needed atoms */
5387  trk->vos_len = size;
5388  trk->vos_data = av_malloc(size);
5389  if (!trk->vos_data) {
5390  ret = AVERROR(ENOMEM);
5391  goto err;
5392  }
5393  memcpy(trk->vos_data, pkt->data, size);
5394  }
5395 
5396  if (trk->entry >= trk->cluster_capacity) {
5397  unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5398  if (av_reallocp_array(&trk->cluster, new_capacity,
5399  sizeof(*trk->cluster))) {
5400  ret = AVERROR(ENOMEM);
5401  goto err;
5402  }
5403  trk->cluster_capacity = new_capacity;
5404  }
5405 
5406  trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5407  trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5408  trk->cluster[trk->entry].chunkNum = 0;
5409  trk->cluster[trk->entry].size = size;
5410  trk->cluster[trk->entry].entries = samples_in_chunk;
5411  trk->cluster[trk->entry].dts = pkt->dts;
5412  trk->cluster[trk->entry].pts = pkt->pts;
5413  if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5414  if (!trk->frag_discont) {
5415  /* First packet of a new fragment. We already wrote the duration
5416  * of the last packet of the previous fragment based on track_duration,
5417  * which might not exactly match our dts. Therefore adjust the dts
5418  * of this packet to be what the previous packets duration implies. */
5419  trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5420  /* We also may have written the pts and the corresponding duration
5421  * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5422  * the next fragment. This means the cts of the first sample must
5423  * be the same in all fragments, unless end_pts was updated by
5424  * the packet causing the fragment to be written. */
5425  if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
5426  mov->mode == MODE_ISM)
5427  pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5428  } else {
5429  /* New fragment, but discontinuous from previous fragments.
5430  * Pretend the duration sum of the earlier fragments is
5431  * pkt->dts - trk->start_dts. */
5432  trk->frag_start = pkt->dts - trk->start_dts;
5433  trk->end_pts = AV_NOPTS_VALUE;
5434  trk->frag_discont = 0;
5435  }
5436  }
5437 
5438  if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5440  /* Not using edit lists and shifting the first track to start from zero.
5441  * If the other streams start from a later timestamp, we won't be able
5442  * to signal the difference in starting time without an edit list.
5443  * Thus move the timestamp for this first sample to 0, increasing
5444  * its duration instead. */
5445  trk->cluster[trk->entry].dts = trk->start_dts = 0;
5446  }
5447  if (trk->start_dts == AV_NOPTS_VALUE) {
5448  trk->start_dts = pkt->dts;
5449  if (trk->frag_discont) {
5450  if (mov->use_editlist) {
5451  /* Pretend the whole stream started at pts=0, with earlier fragments
5452  * already written. If the stream started at pts=0, the duration sum
5453  * of earlier fragments would have been pkt->pts. */
5454  trk->frag_start = pkt->pts;
5455  trk->start_dts = pkt->dts - pkt->pts;
5456  } else {
5457  /* Pretend the whole stream started at dts=0, with earlier fragments
5458  * already written, with a duration summing up to pkt->dts. */
5459  trk->frag_start = pkt->dts;
5460  trk->start_dts = 0;
5461  }
5462  trk->frag_discont = 0;
5463  } else if (pkt->dts && mov->moov_written)
5465  "Track %d starts with a nonzero dts %"PRId64", while the moov "
5466  "already has been written. Set the delay_moov flag to handle "
5467  "this case.\n",
5468  pkt->stream_index, pkt->dts);
5469  }
5470  trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5471  trk->last_sample_is_subtitle_end = 0;
5472 
5473  if (pkt->pts == AV_NOPTS_VALUE) {
5474  av_log(s, AV_LOG_WARNING, "pts has no value\n");
5475  pkt->pts = pkt->dts;
5476  }
5477  if (pkt->dts != pkt->pts)
5478  trk->flags |= MOV_TRACK_CTTS;
5479  trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5480  trk->cluster[trk->entry].flags = 0;
5481  if (trk->start_cts == AV_NOPTS_VALUE)
5482  trk->start_cts = pkt->pts - pkt->dts;
5483  if (trk->end_pts == AV_NOPTS_VALUE)
5484  trk->end_pts = trk->cluster[trk->entry].dts +
5485  trk->cluster[trk->entry].cts + pkt->duration;
5486  else
5487  trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5488  trk->cluster[trk->entry].cts +
5489  pkt->duration);
5490 
5491  if (par->codec_id == AV_CODEC_ID_VC1) {
5492  mov_parse_vc1_frame(pkt, trk);
5493  } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5494  if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5495  trk->entry > 0) { // force sync sample for the first key frame
5496  mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5497  if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5498  trk->flags |= MOV_TRACK_STPS;
5499  } else {
5500  trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5501  }
5502  if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5503  trk->has_keyframes++;
5504  }
5505  if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
5506  trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
5507  trk->has_disposable++;
5508  }
5509  trk->entry++;
5510  trk->sample_count += samples_in_chunk;
5511  mov->mdat_size += size;
5512 
5513  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5514  ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5515  reformatted_data, size);
5516 
5517 end:
5518 err:
5519 
5520  av_free(reformatted_data);
5521  return ret;
5522 }
5523 
5525 {
5526  MOVMuxContext *mov = s->priv_data;
5527  MOVTrack *trk = &mov->tracks[pkt->stream_index];
5528  AVCodecParameters *par = trk->par;
5529  int64_t frag_duration = 0;
5530  int size = pkt->size;
5531 
5532  int ret = check_pkt(s, pkt);
5533  if (ret < 0)
5534  return ret;
5535 
5536  if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5537  int i;
5538  for (i = 0; i < s->nb_streams; i++)
5539  mov->tracks[i].frag_discont = 1;
5541  }
5542 
5544  if (trk->dts_shift == AV_NOPTS_VALUE)
5545  trk->dts_shift = pkt->pts - pkt->dts;
5546  pkt->dts += trk->dts_shift;
5547  }
5548 
5549  if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5550  trk->par->codec_id == AV_CODEC_ID_AAC ||
5551  trk->par->codec_id == AV_CODEC_ID_AV1 ||
5552  trk->par->codec_id == AV_CODEC_ID_FLAC) {
5553  int side_size = 0;
5554  uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5555  if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5556  void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5557  if (!newextra)
5558  return AVERROR(ENOMEM);
5559  av_free(par->extradata);
5560  par->extradata = newextra;
5561  memcpy(par->extradata, side, side_size);
5562  par->extradata_size = side_size;
5563  if (!pkt->size) // Flush packet
5564  mov->need_rewrite_extradata = 1;
5565  }
5566  }
5567 
5568  if (!pkt->size) {
5569  if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5570  trk->start_dts = pkt->dts;
5571  if (pkt->pts != AV_NOPTS_VALUE)
5572  trk->start_cts = pkt->pts - pkt->dts;
5573  else
5574  trk->start_cts = 0;
5575  }
5576 
5577  return 0; /* Discard 0 sized packets */
5578  }
5579 
5580  if (trk->entry && pkt->stream_index < s->nb_streams)
5581  frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5582  s->streams[pkt->stream_index]->time_base,
5583  AV_TIME_BASE_Q);
5584  if ((mov->max_fragment_duration &&
5585  frag_duration >= mov->max_fragment_duration) ||
5586  (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5587  (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5588  par->codec_type == AVMEDIA_TYPE_VIDEO &&
5589  trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
5591  if (frag_duration >= mov->min_fragment_duration) {
5592  // Set the duration of this track to line up with the next
5593  // sample in this track. This avoids relying on AVPacket
5594  // duration, but only helps for this particular track, not
5595  // for the other ones that are flushed at the same time.
5596  trk->track_duration = pkt->dts - trk->start_dts;
5597  if (pkt->pts != AV_NOPTS_VALUE)
5598  trk->end_pts = pkt->pts;
5599  else
5600  trk->end_pts = pkt->dts;
5601  trk->end_reliable = 1;
5603  }
5604  }
5605 
5606  return ff_mov_write_packet(s, pkt);
5607 }
5608 
5610  int stream_index,
5611  int64_t dts) {
5612  AVPacket end;
5613  uint8_t data[2] = {0};
5614  int ret;
5615 
5616  av_init_packet(&end);
5617  end.size = sizeof(data);
5618  end.data = data;
5619  end.pts = dts;
5620  end.dts = dts;
5621  end.duration = 0;
5622  end.stream_index = stream_index;
5623 
5624  ret = mov_write_single_packet(s, &end);
5625  av_packet_unref(&end);
5626 
5627  return ret;
5628 }
5629 
5631 {
5632  MOVMuxContext *mov = s->priv_data;
5633  MOVTrack *trk;
5634 
5635  if (!pkt) {
5636  mov_flush_fragment(s, 1);
5637  return 1;
5638  }
5639 
5640  trk = &mov->tracks[pkt->stream_index];
5641 
5642  if (is_cover_image(trk->st)) {
5643  int ret;
5644 
5645  if (trk->st->nb_frames >= 1) {
5646  if (trk->st->nb_frames == 1)
5647  av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
5648  " ignoring.\n", pkt->stream_index);
5649  return 0;
5650  }
5651 
5652  if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
5653  return ret;
5654 
5655  return 0;
5656  } else {
5657  int i;
5658 
5659  if (!pkt->size)
5660  return mov_write_single_packet(s, pkt); /* Passthrough. */
5661 
5662  /*
5663  * Subtitles require special handling.
5664  *
5665  * 1) For full complaince, every track must have a sample at
5666  * dts == 0, which is rarely true for subtitles. So, as soon
5667  * as we see any packet with dts > 0, write an empty subtitle
5668  * at dts == 0 for any subtitle track with no samples in it.
5669  *
5670  * 2) For each subtitle track, check if the current packet's
5671  * dts is past the duration of the last subtitle sample. If
5672  * so, we now need to write an end sample for that subtitle.
5673  *
5674  * This must be done conditionally to allow for subtitles that
5675  * immediately replace each other, in which case an end sample
5676  * is not needed, and is, in fact, actively harmful.
5677  *
5678  * 3) See mov_write_trailer for how the final end sample is
5679  * handled.
5680  */
5681  for (i = 0; i < mov->nb_streams; i++) {
5682  MOVTrack *trk = &mov->tracks[i];
5683  int ret;
5684 
5685  if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5686  trk->track_duration < pkt->dts &&
5687  (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5689  if (ret < 0) return ret;
5690  trk->last_sample_is_subtitle_end = 1;
5691  }
5692  }
5693 
5694  if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5695  AVPacket *opkt = pkt;
5696  int reshuffle_ret, ret;
5697  if (trk->is_unaligned_qt_rgb) {
5698  int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5699  int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5700  reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5701  if (reshuffle_ret < 0)
5702  return reshuffle_ret;
5703  } else
5704  reshuffle_ret = 0;
5705  if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5706  ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5707  if (ret < 0)
5708  goto fail;
5709  if (ret)
5710  trk->pal_done++;
5711  } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5712  (trk->par->format == AV_PIX_FMT_GRAY8 ||
5713  trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5714  for (i = 0; i < pkt->size; i++)
5715  pkt->data[i] = ~pkt->data[i];
5716  }
5717  if (reshuffle_ret) {
5718  ret = mov_write_single_packet(s, pkt);
5719 fail:
5720  if (reshuffle_ret)
5721  av_packet_free(&pkt);
5722  return ret;
5723  }
5724  }
5725 
5726  return mov_write_single_packet(s, pkt);
5727  }
5728 }
5729 
5730 // QuickTime chapters involve an additional text track with the chapter names
5731 // as samples, and a tref pointing from the other tracks to the chapter one.
5732 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5733 {
5734  AVIOContext *pb;
5735 
5736  MOVMuxContext *mov = s->priv_data;
5737  MOVTrack *track = &mov->tracks[tracknum];
5738  AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5739  int i, len;
5740 
5741  track->mode = mov->mode;
5742  track->tag = MKTAG('t','e','x','t');
5743  track->timescale = MOV_TIMESCALE;
5744  track->par = avcodec_parameters_alloc();
5745  if (!track->par)
5746  return AVERROR(ENOMEM);
5748 #if 0
5749  // These properties are required to make QT recognize the chapter track
5750  uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5751  if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5752  return AVERROR(ENOMEM);
5753  memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5754 #else
5755  if (avio_open_dyn_buf(&pb) >= 0) {
5756  int size;
5757  uint8_t *buf;
5758 
5759  /* Stub header (usually for Quicktime chapter track) */
5760  // TextSampleEntry
5761  avio_wb32(pb, 0x01); // displayFlags
5762  avio_w8(pb, 0x00); // horizontal justification
5763  avio_w8(pb, 0x00); // vertical justification
5764  avio_w8(pb, 0x00); // bgColourRed
5765  avio_w8(pb, 0x00); // bgColourGreen
5766  avio_w8(pb, 0x00); // bgColourBlue
5767  avio_w8(pb, 0x00); // bgColourAlpha
5768  // BoxRecord
5769  avio_wb16(pb, 0x00); // defTextBoxTop
5770  avio_wb16(pb, 0x00); // defTextBoxLeft
5771  avio_wb16(pb, 0x00); // defTextBoxBottom
5772  avio_wb16(pb, 0x00); // defTextBoxRight
5773  // StyleRecord
5774  avio_wb16(pb, 0x00); // startChar
5775  avio_wb16(pb, 0x00); // endChar
5776  avio_wb16(pb, 0x01); // fontID
5777  avio_w8(pb, 0x00); // fontStyleFlags
5778  avio_w8(pb, 0x00); // fontSize
5779  avio_w8(pb, 0x00); // fgColourRed
5780  avio_w8(pb, 0x00); // fgColourGreen
5781  avio_w8(pb, 0x00); // fgColourBlue
5782  avio_w8(pb, 0x00); // fgColourAlpha
5783  // FontTableBox
5784  avio_wb32(pb, 0x0D); // box size
5785  ffio_wfourcc(pb, "ftab"); // box atom name
5786  avio_wb16(pb, 0x01); // entry count
5787  // FontRecord
5788  avio_wb16(pb, 0x01); // font ID
5789  avio_w8(pb, 0x00); // font name length
5790 
5791  if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5792  track->par->extradata = buf;
5793  track->par->extradata_size = size;
5794  } else {
5795  av_freep(&buf);
5796  }
5797  }
5798 #endif
5799 
5800  for (i = 0; i < s->nb_chapters; i++) {
5801  AVChapter *c = s->chapters[i];
5802  AVDictionaryEntry *t;
5803 
5804  int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5805  pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5806  pkt.duration = end - pkt.dts;
5807 
5808  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5809  static const char encd[12] = {
5810  0x00, 0x00, 0x00, 0x0C,
5811  'e', 'n', 'c', 'd',
5812  0x00, 0x00, 0x01, 0x00 };
5813  len = strlen(t->value);
5814  pkt.size = len + 2 + 12;
5815  pkt.data = av_malloc(pkt.size);
5816  if (!pkt.data)
5817  return AVERROR(ENOMEM);
5818  AV_WB16(pkt.data, len);
5819  memcpy(pkt.data + 2, t->value, len);
5820  memcpy(pkt.data + len + 2, encd, sizeof(encd));
5821  ff_mov_write_packet(s, &pkt);
5822  av_freep(&pkt.data);
5823  }
5824  }
5825 
5826  return 0;
5827 }
5828 
5829 
5830 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5831 {
5832  int ret;
5833 
5834  /* compute the frame number */
5835  ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5836  return ret;
5837 }
5838 
5840 {
5841  int ret;
5842  MOVMuxContext *mov = s->priv_data;
5843  MOVTrack *track = &mov->tracks[index];
5844  AVStream *src_st = s->streams[src_index];
5845  AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5846  AVRational rate = find_fps(s, src_st);
5847 
5848  /* tmcd track based on video stream */
5849  track->mode = mov->mode;
5850  track->tag = MKTAG('t','m','c','d');
5851  track->src_track = src_index;
5852  track->timescale = mov->tracks[src_index].timescale;
5855 
5856  /* set st to src_st for metadata access*/
5857  track->st = src_st;
5858 
5859  /* encode context: tmcd data stream */
5860  track->par = avcodec_parameters_alloc();
5861  if (!track->par)
5862  return AVERROR(ENOMEM);
5863  track->par->codec_type = AVMEDIA_TYPE_DATA;
5864  track->par->codec_tag = track->tag;
5865  track->st->avg_frame_rate = av_inv_q(rate);
5866 
5867  /* the tmcd track just contains one packet with the frame number */
5868  pkt.data = av_malloc(pkt.size);
5869  if (!pkt.data)
5870  return AVERROR(ENOMEM);
5871  AV_WB32(pkt.data, tc.start);
5872  ret = ff_mov_write_packet(s, &pkt);
5873  av_free(pkt.data);
5874  return ret;
5875 }
5876 
5877 /*
5878  * st->disposition controls the "enabled" flag in the tkhd tag.
5879  * QuickTime will not play a track if it is not enabled. So make sure
5880  * that one track of each type (audio, video, subtitle) is enabled.
5881  *
5882  * Subtitles are special. For audio and video, setting "enabled" also
5883  * makes the track "default" (i.e. it is rendered when played). For
5884  * subtitles, an "enabled" subtitle is not rendered by default, but
5885  * if no subtitle is enabled, the subtitle menu in QuickTime will be
5886  * empty!
5887  */
5889 {
5890  MOVMuxContext *mov = s->priv_data;
5891  int i;
5892  int enabled[AVMEDIA_TYPE_NB];
5893  int first[AVMEDIA_TYPE_NB];
5894 
5895  for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5896  enabled[i] = 0;
5897  first[i] = -1;
5898  }
5899 
5900  for (i = 0; i < s->nb_streams; i++) {
5901  AVStream *st = s->streams[i];
5902 
5904  st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
5905  is_cover_image(st))
5906  continue;
5907 
5908  if (first[st->codecpar->codec_type] < 0)
5909  first[st->codecpar->codec_type] = i;
5910  if (st->disposition & AV_DISPOSITION_DEFAULT) {
5911  mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5912  enabled[st->codecpar->codec_type]++;
5913  }
5914  }
5915 
5916  for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5917  switch (i) {
5918  case AVMEDIA_TYPE_VIDEO:
5919  case AVMEDIA_TYPE_AUDIO:
5920  case AVMEDIA_TYPE_SUBTITLE:
5921  if (enabled[i] > 1)
5922  mov->per_stream_grouping = 1;
5923  if (!enabled[i] && first[i] >= 0)
5924  mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5925  break;
5926  }
5927  }
5928 }
5929 
5931 {
5932  MOVMuxContext *mov = s->priv_data;
5933  int i;
5934 
5935  if (mov->chapter_track) {
5936  if (mov->tracks[mov->chapter_track].par)
5937  av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5938  av_freep(&mov->tracks[mov->chapter_track].par);
5939  }
5940 
5941  for (i = 0; i < mov->nb_streams; i++) {
5942  if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5943  ff_mov_close_hinting(&mov->tracks[i]);
5944  else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5945  av_freep(&mov->tracks[i].par);
5946  av_freep(&mov->tracks[i].cluster);
5947  av_freep(&mov->tracks[i].frag_info);
5949 
5950  if (mov->tracks[i].vos_len)
5951  av_freep(&mov->tracks[i].vos_data);
5952 
5953  ff_mov_cenc_free(&mov->tracks[i].cenc);
5954  }
5955 
5956  av_freep(&mov->tracks);
5957 }
5958 
5959 static uint32_t rgb_to_yuv(uint32_t rgb)
5960 {
5961  uint8_t r, g, b;
5962  int y, cb, cr;
5963 
5964  r = (rgb >> 16) & 0xFF;
5965  g = (rgb >> 8) & 0xFF;
5966  b = (rgb ) & 0xFF;
5967 
5968  y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5969  cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5970  cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5971 
5972  return (y << 16) | (cr << 8) | cb;
5973 }
5974 
5976  AVStream *st)
5977 {
5978  int i, width = 720, height = 480;
5979  int have_palette = 0, have_size = 0;
5980  uint32_t palette[16];
5981  char *cur = st->codecpar->extradata;
5982 
5983  while (cur && *cur) {
5984  if (strncmp("palette:", cur, 8) == 0) {
5985  int i, count;
5986  count = sscanf(cur + 8,
5987  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5988  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5989  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5990  "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5991  &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5992  &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5993  &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5994  &palette[12], &palette[13], &palette[14], &palette[15]);
5995 
5996  for (i = 0; i < count; i++) {
5997  palette[i] = rgb_to_yuv(palette[i]);
5998  }
5999  have_palette = 1;
6000  } else if (!strncmp("size:", cur, 5)) {
6001  sscanf(cur + 5, "%dx%d", &width, &height);
6002  have_size = 1;
6003  }
6004  if (have_palette && have_size)
6005  break;
6006  cur += strcspn(cur, "\n\r");
6007  cur += strspn(cur, "\n\r");
6008  }
6009  if (have_palette) {
6010  track->vos_data = av_malloc(16*4);
6011  if (!track->vos_data)
6012  return AVERROR(ENOMEM);
6013  for (i = 0; i < 16; i++) {
6014  AV_WB32(track->vos_data + i * 4, palette[i]);
6015  }
6016  track->vos_len = 16 * 4;
6017  }
6018  st->codecpar->width = width;
6019  st->codecpar->height = track->height = height;
6020 
6021  return 0;
6022 }
6023 
6025 {
6026  MOVMuxContext *mov = s->priv_data;
6027  AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6028  int i, ret;
6029 
6030  mov->fc = s;
6031 
6032  /* Default mode == MP4 */
6033  mov->mode = MODE_MP4;
6034 
6035  if (s->oformat) {
6036  if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
6037  else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
6038  else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
6039  else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
6040  else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
6041  else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
6042  else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
6043  }
6044 
6045  if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
6046  mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
6047 
6048  /* Set the FRAGMENT flag if any of the fragmentation methods are
6049  * enabled. */
6050  if (mov->max_fragment_duration || mov->max_fragment_size ||
6051  mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
6055  mov->flags |= FF_MOV_FLAG_FRAGMENT;
6056 
6057  /* Set other implicit flags immediately */
6058  if (mov->mode == MODE_ISM)
6061  if (mov->flags & FF_MOV_FLAG_DASH)
6064 
6066  av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
6067  s->flags &= ~AVFMT_FLAG_AUTO_BSF;
6068  }
6069 
6070  if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6071  mov->reserved_moov_size = -1;
6072  }
6073 
6074  if (mov->use_editlist < 0) {
6075  mov->use_editlist = 1;
6076  if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
6077  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6078  // If we can avoid needing an edit list by shifting the
6079  // tracks, prefer that over (trying to) write edit lists
6080  // in fragmented output.
6083  mov->use_editlist = 0;
6084  }
6085  }
6086  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6087  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
6088  av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
6089 
6092 
6093  /* Clear the omit_tfhd_offset flag if default_base_moof is set;
6094  * if the latter is set that's enough and omit_tfhd_offset doesn't
6095  * add anything extra on top of that. */
6096  if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
6099 
6100  if (mov->frag_interleave &&
6102  av_log(s, AV_LOG_ERROR,
6103  "Sample interleaving in fragments is mutually exclusive with "
6104  "omit_tfhd_offset and separate_moof\n");
6105  return AVERROR(EINVAL);
6106  }
6107 
6108  /* Non-seekable output is ok if using fragmentation. If ism_lookahead
6109  * is enabled, we don't support non-seekable output at all. */
6110  if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
6111  (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
6112  av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
6113  return AVERROR(EINVAL);
6114  }
6115 
6116  mov->nb_streams = s->nb_streams;
6117  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6118  mov->chapter_track = mov->nb_streams++;
6119 
6120  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6121  for (i = 0; i < s->nb_streams; i++)
6122  if (rtp_hinting_needed(s->streams[i]))
6123  mov->nb_streams++;
6124  }
6125 
6126  if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6127  || mov->write_tmcd == 1) {
6128  /* +1 tmcd track for each video stream with a timecode */
6129  for (i = 0; i < s->nb_streams; i++) {
6130  AVStream *st = s->streams[i];
6131  AVDictionaryEntry *t = global_tcr;
6132  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
6133  (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
6134  AVTimecode tc;
6135  ret = mov_check_timecode_track(s, &tc, i, t->value);
6136  if (ret >= 0)
6137  mov->nb_meta_tmcd++;
6138  }
6139  }
6140 
6141  /* check if there is already a tmcd track to remux */
6142  if (mov->nb_meta_tmcd) {
6143  for (i = 0; i < s->nb_streams; i++) {
6144  AVStream *st = s->streams[i];
6145  if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
6146  av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
6147  "so timecode metadata are now ignored\n");
6148  mov->nb_meta_tmcd = 0;
6149  }
6150  }
6151  }
6152 
6153  mov->nb_streams += mov->nb_meta_tmcd;
6154  }
6155 
6156  // Reserve an extra stream for chapters for the case where chapters
6157  // are written in the trailer
6158  mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
6159  if (!mov->tracks)
6160  return AVERROR(ENOMEM);
6161 
6162  if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
6163  if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
6165 
6166  if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
6167  av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
6169  return AVERROR(EINVAL);
6170  }
6171 
6172  if (mov->encryption_kid_len != CENC_KID_SIZE) {
6173  av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
6175  return AVERROR(EINVAL);
6176  }
6177  } else {
6178  av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
6179  mov->encryption_scheme_str);
6180  return AVERROR(EINVAL);
6181  }
6182  }
6183 
6184  for (i = 0; i < s->nb_streams; i++) {
6185  AVStream *st= s->streams[i];
6186  MOVTrack *track= &mov->tracks[i];
6187  AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
6188 
6189  track->st = st;
6190  track->par = st->codecpar;
6191  track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
6192  if (track->language < 0)
6193  track->language = 0;
6194  track->mode = mov->mode;
6195  track->tag = mov_find_codec_tag(s, track);
6196  if (!track->tag) {
6197  av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
6198  "codec not currently supported in container\n",
6200  return AVERROR(EINVAL);
6201  }
6202  /* If hinting of this track is enabled by a later hint track,
6203  * this is updated. */
6204  track->hint_track = -1;
6205  track->start_dts = AV_NOPTS_VALUE;
6206  track->start_cts = AV_NOPTS_VALUE;
6207  track->end_pts = AV_NOPTS_VALUE;
6208  track->dts_shift = AV_NOPTS_VALUE;
6209  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6210  if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
6211  track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
6212  track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
6213  if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
6214  av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
6215  return AVERROR(EINVAL);
6216  }
6217  track->height = track->tag >> 24 == 'n' ? 486 : 576;
6218  }
6219  if (mov->video_track_timescale) {
6220  track->timescale = mov->video_track_timescale;
6221  } else {
6222  track->timescale = st->time_base.den;
6223  while(track->timescale < 10000)
6224  track->timescale *= 2;
6225  }
6226  if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
6227  av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
6228  return AVERROR(EINVAL);
6229  }
6230  if (track->mode == MODE_MOV && track->timescale > 100000)
6232  "WARNING codec timebase is very high. If duration is too long,\n"
6233  "file may not be playable by quicktime. Specify a shorter timebase\n"
6234  "or choose different container.\n");
6235  if (track->mode == MODE_MOV &&
6236  track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
6237  track->tag == MKTAG('r','a','w',' ')) {
6238  enum AVPixelFormat pix_fmt = track->par->format;
6239  if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
6240  pix_fmt = AV_PIX_FMT_MONOWHITE;
6241  track->is_unaligned_qt_rgb =
6242  pix_fmt == AV_PIX_FMT_RGB24 ||
6243  pix_fmt == AV_PIX_FMT_BGR24 ||
6244  pix_fmt == AV_PIX_FMT_PAL8 ||
6245  pix_fmt == AV_PIX_FMT_GRAY8 ||
6246  pix_fmt == AV_PIX_FMT_MONOWHITE ||
6247  pix_fmt == AV_PIX_FMT_MONOBLACK;
6248  }
6249  if (track->par->codec_id == AV_CODEC_ID_VP9 ||
6250  track->par->codec_id == AV_CODEC_ID_AV1) {
6251  if (track->mode != MODE_MP4) {
6252  av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6253  return AVERROR(EINVAL);
6254  }
6255  } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
6256  /* altref frames handling is not defined in the spec as of version v1.0,
6257  * so just forbid muxing VP8 streams altogether until a new version does */
6258  av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
6259  return AVERROR_PATCHWELCOME;
6260  }
6261  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6262  track->timescale = st->codecpar->sample_rate;
6264  av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
6265  track->audio_vbr = 1;
6266  }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
6269  if (!st->codecpar->block_align) {
6270  av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
6271  return AVERROR(EINVAL);
6272  }
6273  track->sample_size = st->codecpar->block_align;
6274  }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
6275  track->audio_vbr = 1;
6276  }else{
6278  }
6279  if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
6281  track->audio_vbr = 1;
6282  }
6283  if (track->mode != MODE_MOV &&
6284  track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
6286  av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
6287  i, track->par->sample_rate);
6288  return AVERROR(EINVAL);
6289  } else {
6290  av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
6291  i, track->par->sample_rate);
6292  }
6293  }
6294  if (track->par->codec_id == AV_CODEC_ID_FLAC ||
6295  track->par->codec_id == AV_CODEC_ID_OPUS) {
6296  if (track->mode != MODE_MP4) {
6297  av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
6298  return AVERROR(EINVAL);
6299  }
6301  av_log(s, AV_LOG_ERROR,
6302  "%s in MP4 support is experimental, add "
6303  "'-strict %d' if you want to use it.\n",
6305  return AVERROR_EXPERIMENTAL;
6306  }
6307  }
6308  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
6309  track->timescale = st->time_base.den;
6310  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
6311  track->timescale = st->time_base.den;
6312  } else {
6313  track->timescale = MOV_TIMESCALE;
6314  }
6315  if (!track->height)
6316  track->height = st->codecpar->height;
6317  /* The ism specific timescale isn't mandatory, but is assumed by
6318  * some tools, such as mp4split. */
6319  if (mov->mode == MODE_ISM)
6320  track->timescale = 10000000;
6321 
6322  avpriv_set_pts_info(st, 64, 1, track->timescale);
6323 
6325  ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
6327  if (ret)
6328  return ret;
6329  }
6330  }
6331 
6332  enable_tracks(s);
6333  return 0;
6334 }
6335 
6337 {
6338  AVIOContext *pb = s->pb;
6339  MOVMuxContext *mov = s->priv_data;
6340  AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
6341  int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
6342 
6343  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
6344  nb_tracks++;
6345 
6346  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6347  hint_track = nb_tracks;
6348  for (i = 0; i < s->nb_streams; i++)
6349  if (rtp_hinting_needed(s->streams[i]))
6350  nb_tracks++;
6351  }
6352 
6353  if (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
6354  tmcd_track = nb_tracks;
6355 
6356  for (i = 0; i < s->nb_streams; i++) {
6357  int j;
6358  AVStream *st= s->streams[i];
6359  MOVTrack *track= &mov->tracks[i];
6360 
6361  /* copy extradata if it exists */
6362  if (st->codecpar->extradata_size) {
6365  else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
6366  track->vos_len = st->codecpar->extradata_size;
6367  track->vos_data = av_malloc(track->vos_len);
6368  if (!track->vos_data) {
6369  return AVERROR(ENOMEM);
6370  }
6371  memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
6372  }
6373  }
6374 
6375  if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6377  continue;
6378 
6379  for (j = 0; j < s->nb_streams; j++) {
6380  AVStream *stj= s->streams[j];
6381  MOVTrack *trackj= &mov->tracks[j];
6382  if (j == i)
6383  continue;
6384 
6385  if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6386  trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6387  trackj->language != track->language ||
6388  trackj->tag != track->tag
6389  )
6390  continue;
6391  track->multichannel_as_mono++;
6392  }
6393  }
6394 
6395  if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6396  if ((ret = mov_write_identification(pb, s)) < 0)
6397  return ret;
6398  }
6399 
6400  if (mov->reserved_moov_size){
6401  mov->reserved_header_pos = avio_tell(pb);
6402  if (mov->reserved_moov_size > 0)
6403  avio_skip(pb, mov->reserved_moov_size);
6404  }
6405 
6406  if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6407  /* If no fragmentation options have been set, set a default. */
6408  if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6413  } else {
6414  if (mov->flags & FF_MOV_FLAG_FASTSTART)
6415  mov->reserved_header_pos = avio_tell(pb);
6416  mov_write_mdat_tag(pb, mov);
6417  }
6418 
6420  if (mov->time)
6421  mov->time += 0x7C25B080; // 1970 based -> 1904 based
6422 
6423  if (mov->chapter_track)
6424  if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6425  return ret;
6426 
6427  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6428  for (i = 0; i < s->nb_streams; i++) {
6429  if (rtp_hinting_needed(s->streams[i])) {
6430  if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6431  return ret;
6432  hint_track++;
6433  }
6434  }
6435  }
6436 
6437  if (mov->nb_meta_tmcd) {
6438  /* Initialize the tmcd tracks */
6439  for (i = 0; i < s->nb_streams; i++) {
6440  AVStream *st = s->streams[i];
6441  t = global_tcr;
6442 
6443  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6444  AVTimecode tc;
6445  if (!t)
6446  t = av_dict_get(st->metadata, "timecode", NULL, 0);
6447  if (!t)
6448  continue;
6449  if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6450  continue;
6451  if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6452  return ret;
6453  tmcd_track++;
6454  }
6455  }
6456  }
6457 
6458  avio_flush(pb);
6459 
6460  if (mov->flags & FF_MOV_FLAG_ISML)
6461  mov_write_isml_manifest(pb, mov, s);
6462 
6463  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6464  !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6465  if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6466  return ret;
6467  avio_flush(pb);
6468  mov->moov_written = 1;
6469  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6470  mov->reserved_header_pos = avio_tell(pb);
6471  }
6472 
6473  return 0;
6474 }
6475 
6477 {
6478  int ret;
6479  AVIOContext *moov_buf;
6480  MOVMuxContext *mov = s->priv_data;
6481 
6482  if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6483  return ret;
6484  if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6485  return ret;
6486  return ffio_close_null_buf(moov_buf);
6487 }
6488 
6490 {
6491  int ret;
6492  AVIOContext *buf;
6493  MOVMuxContext *mov = s->priv_data;
6494 
6495  if ((ret = ffio_open_null_buf(&buf)) < 0)
6496  return ret;
6497  mov_write_sidx_tags(buf, mov, -1, 0);
6498  return ffio_close_null_buf(buf);
6499 }
6500 
6501 /*
6502  * This function gets the moov size if moved to the top of the file: the chunk
6503  * offset table can switch between stco (32-bit entries) to co64 (64-bit
6504  * entries) when the moov is moved to the beginning, so the size of the moov
6505  * would change. It also updates the chunk offset tables.
6506  */
6508 {
6509  int i, moov_size, moov_size2;
6510  MOVMuxContext *mov = s->priv_data;
6511 
6512  moov_size = get_moov_size(s);
6513  if (moov_size < 0)
6514  return moov_size;
6515 
6516  for (i = 0; i < mov->nb_streams; i++)
6517  mov->tracks[i].data_offset += moov_size;
6518 
6519  moov_size2 = get_moov_size(s);
6520  if (moov_size2 < 0)
6521  return moov_size2;
6522 
6523  /* if the size changed, we just switched from stco to co64 and need to
6524  * update the offsets */
6525  if (moov_size2 != moov_size)
6526  for (i = 0; i < mov->nb_streams; i++)
6527  mov->tracks[i].data_offset += moov_size2 - moov_size;
6528 
6529  return moov_size2;
6530 }
6531 
6533 {
6534  int i, sidx_size;
6535  MOVMuxContext *mov = s->priv_data;
6536 
6537  sidx_size = get_sidx_size(s);
6538  if (sidx_size < 0)
6539  return sidx_size;
6540 
6541  for (i = 0; i < mov->nb_streams; i++)
6542  mov->tracks[i].data_offset += sidx_size;
6543 
6544  return sidx_size;
6545 }
6546 
6548 {
6549  int ret = 0, moov_size;
6550  MOVMuxContext *mov = s->priv_data;
6551  int64_t pos, pos_end = avio_tell(s->pb);
6552  uint8_t *buf, *read_buf[2];
6553  int read_buf_id = 0;
6554  int read_size[2];
6555  AVIOContext *read_pb;
6556 
6557  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6558  moov_size = compute_sidx_size(s);
6559  else
6560  moov_size = compute_moov_size(s);
6561  if (moov_size < 0)
6562  return moov_size;
6563 
6564  buf = av_malloc(moov_size * 2);
6565  if (!buf)
6566  return AVERROR(ENOMEM);
6567  read_buf[0] = buf;
6568  read_buf[1] = buf + moov_size;
6569 
6570  /* Shift the data: the AVIO context of the output can only be used for
6571  * writing, so we re-open the same output, but for reading. It also avoids
6572  * a read/seek/write/seek back and forth. */
6573  avio_flush(s->pb);
6574  ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
6575  if (ret < 0) {
6576  av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6577  "the second pass (faststart)\n", s->url);
6578  goto end;
6579  }
6580 
6581  /* mark the end of the shift to up to the last data we wrote, and get ready
6582  * for writing */
6583  pos_end = avio_tell(s->pb);
6584  avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6585 
6586  /* start reading at where the new moov will be placed */
6587  avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6588  pos = avio_tell(read_pb);
6589 
6590 #define READ_BLOCK do { \
6591  read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6592  read_buf_id ^= 1; \
6593 } while (0)
6594 
6595  /* shift data by chunk of at most moov_size */
6596  READ_BLOCK;
6597  do {
6598  int n;
6599  READ_BLOCK;
6600  n = read_size[read_buf_id];
6601  if (n <= 0)
6602  break;
6603  avio_write(s->pb, read_buf[read_buf_id], n);
6604  pos += n;
6605  } while (pos < pos_end);
6606  ff_format_io_close(s, &read_pb);
6607 
6608 end:
6609  av_free(buf);
6610  return ret;
6611 }
6612 
6614 {
6615  MOVMuxContext *mov = s->priv_data;
6616  AVIOContext *pb = s->pb;
6617  int res = 0;
6618  int i;
6619  int64_t moov_pos;
6620 
6621  if (mov->need_rewrite_extradata) {
6622  for (i = 0; i < s->nb_streams; i++) {
6623  MOVTrack *track = &mov->tracks[i];
6624  AVCodecParameters *par = track->par;
6625 
6626  track->vos_len = par->extradata_size;
6627  track->vos_data = av_malloc(track->vos_len);
6628  if (!track->vos_data)
6629  return AVERROR(ENOMEM);
6630  memcpy(track->vos_data, par->extradata, track->vos_len);
6631  }
6632  mov->need_rewrite_extradata = 0;
6633  }
6634 
6635  /*
6636  * Before actually writing the trailer, make sure that there are no
6637  * dangling subtitles, that need a terminating sample.
6638  */
6639  for (i = 0; i < mov->nb_streams; i++) {
6640  MOVTrack *trk = &mov->tracks[i];
6641  if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6644  trk->last_sample_is_subtitle_end = 1;
6645  }
6646  }
6647 
6648  // If there were no chapters when the header was written, but there
6649  // are chapters now, write them in the trailer. This only works
6650  // when we are not doing fragments.
6651  if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6652  if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6653  mov->chapter_track = mov->nb_streams++;
6654  if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6655  return res;
6656  }
6657  }
6658 
6659  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6660  moov_pos = avio_tell(pb);
6661 
6662  /* Write size of mdat tag */
6663  if (mov->mdat_size + 8 <= UINT32_MAX) {
6664  avio_seek(pb, mov->mdat_pos, SEEK_SET);
6665  avio_wb32(pb, mov->mdat_size + 8);
6666  } else {
6667  /* overwrite 'wide' placeholder atom */
6668  avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6669  /* special value: real atom size will be 64 bit value after
6670  * tag field */
6671  avio_wb32(pb, 1);
6672  ffio_wfourcc(pb, "mdat");
6673  avio_wb64(pb, mov->mdat_size + 16);
6674  }
6675  avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6676 
6677  if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6678  av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6679  res = shift_data(s);
6680  if (res < 0)
6681  return res;
6682  avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6683  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6684  return res;
6685  } else if (mov->reserved_moov_size > 0) {
6686  int64_t size;
6687  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6688  return res;
6689  size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6690  if (size < 8){
6691  av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6692  return AVERROR(EINVAL);
6693  }
6694  avio_wb32(pb, size);
6695  ffio_wfourcc(pb, "free");
6696  ffio_fill(pb, 0, size - 8);
6697  avio_seek(pb, moov_pos, SEEK_SET);
6698  } else {
6699  if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6700  return res;
6701  }
6702  res = 0;
6703  } else {
6705  for (i = 0; i < mov->nb_streams; i++)
6706  mov->tracks[i].data_offset = 0;
6707  if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6708  int64_t end;
6709  av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6710  res = shift_data(s);
6711  if (res < 0)
6712  return res;
6713  end = avio_tell(pb);
6714  avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6715  mov_write_sidx_tags(pb, mov, -1, 0);
6716  avio_seek(pb, end, SEEK_SET);
6718  mov_write_mfra_tag(pb, mov);
6719  } else if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6721  mov_write_mfra_tag(pb, mov);
6722  }
6723  }
6724 
6725  return res;
6726 }
6727 
6728 static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6729 {
6730  int ret = 1;
6731  AVStream *st = s->streams[pkt->stream_index];
6732 
6733  if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6734  if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6735  ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6736  } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6737  ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6738  }
6739 
6740  return ret;
6741 }
6742 
6743 static const AVCodecTag codec_3gp_tags[] = {
6744  { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
6745  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6746  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6747  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6748  { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
6749  { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
6750  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6751  { AV_CODEC_ID_NONE, 0 },
6752 };
6753 
6755  { AV_CODEC_ID_MPEG4 , MKTAG('m', 'p', '4', 'v') },
6756  { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '1') },
6757  { AV_CODEC_ID_H264 , MKTAG('a', 'v', 'c', '3') },
6758  { AV_CODEC_ID_HEVC , MKTAG('h', 'e', 'v', '1') },
6759  { AV_CODEC_ID_HEVC , MKTAG('h', 'v', 'c', '1') },
6760  { AV_CODEC_ID_MPEG2VIDEO , MKTAG('m', 'p', '4', 'v') },
6761  { AV_CODEC_ID_MPEG1VIDEO , MKTAG('m', 'p', '4', 'v') },
6762  { AV_CODEC_ID_MJPEG , MKTAG('m', 'p', '4', 'v') },
6763  { AV_CODEC_ID_PNG , MKTAG('m', 'p', '4', 'v') },
6764  { AV_CODEC_ID_JPEG2000 , MKTAG('m', 'p', '4', 'v') },
6765  { AV_CODEC_ID_VC1 , MKTAG('v', 'c', '-', '1') },
6766  { AV_CODEC_ID_DIRAC , MKTAG('d', 'r', 'a', 'c') },
6767  { AV_CODEC_ID_TSCC2 , MKTAG('m', 'p', '4', 'v') },
6768  { AV_CODEC_ID_VP9 , MKTAG('v', 'p', '0', '9') },
6769  { AV_CODEC_ID_AV1 , MKTAG('a', 'v', '0', '1') },
6770  { AV_CODEC_ID_AAC , MKTAG('m', 'p', '4', 'a') },
6771  { AV_CODEC_ID_MP4ALS , MKTAG('m', 'p', '4', 'a') },
6772  { AV_CODEC_ID_MP3 , MKTAG('m', 'p', '4', 'a') },
6773  { AV_CODEC_ID_MP2 , MKTAG('m', 'p', '4', 'a') },
6774  { AV_CODEC_ID_AC3 , MKTAG('a', 'c', '-', '3') },
6775  { AV_CODEC_ID_EAC3 , MKTAG('e', 'c', '-', '3') },
6776  { AV_CODEC_ID_DTS , MKTAG('m', 'p', '4', 'a') },
6777  { AV_CODEC_ID_FLAC , MKTAG('f', 'L', 'a', 'C') },
6778  { AV_CODEC_ID_OPUS , MKTAG('O', 'p', 'u', 's') },
6779  { AV_CODEC_ID_VORBIS , MKTAG('m', 'p', '4', 'a') },
6780  { AV_CODEC_ID_QCELP , MKTAG('m', 'p', '4', 'a') },
6781  { AV_CODEC_ID_EVRC , MKTAG('m', 'p', '4', 'a') },
6782  { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
6783  { AV_CODEC_ID_MOV_TEXT , MKTAG('t', 'x', '3', 'g') },
6784  { AV_CODEC_ID_BIN_DATA , MKTAG('g', 'p', 'm', 'd') },
6785  { AV_CODEC_ID_NONE , 0 },
6786 };
6787 
6789  { AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
6790  { AV_CODEC_ID_NONE , 0 },
6791 };
6792 
6793 static const AVCodecTag codec_ipod_tags[] = {
6794  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6795  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
6796  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6797  { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
6798  { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
6799  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
6800  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
6801  { AV_CODEC_ID_NONE, 0 },
6802 };
6803 
6804 static const AVCodecTag codec_f4v_tags[] = {
6805  { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
6806  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
6807  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
6808  { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
6809  { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
6810  { AV_CODEC_ID_NONE, 0 },
6811 };
6812 
6813 #if CONFIG_MOV_MUXER
6814 MOV_CLASS(mov)
6816  .name = "mov",
6817  .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6818  .extensions = "mov",
6819  .priv_data_size = sizeof(MOVMuxContext),
6820  .audio_codec = AV_CODEC_ID_AAC,
6821  .video_codec = CONFIG_LIBX264_ENCODER ?
6823  .init = mov_init,
6827  .deinit = mov_free,
6829  .codec_tag = (const AVCodecTag* const []){
6831  },
6832  .check_bitstream = mov_check_bitstream,
6833  .priv_class = &mov_muxer_class,
6834 };
6835 #endif
6836 #if CONFIG_TGP_MUXER
6837 MOV_CLASS(tgp)
6839  .name = "3gp",
6840  .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6841  .extensions = "3gp",
6842  .priv_data_size = sizeof(MOVMuxContext),
6843  .audio_codec = AV_CODEC_ID_AMR_NB,
6844  .video_codec = AV_CODEC_ID_H263,
6845  .init = mov_init,
6849  .deinit = mov_free,
6851  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6852  .check_bitstream = mov_check_bitstream,
6853  .priv_class = &tgp_muxer_class,
6854 };
6855 #endif
6856 #if CONFIG_MP4_MUXER
6857 MOV_CLASS(mp4)
6859  .name = "mp4",
6860  .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6861  .mime_type = "video/mp4",
6862  .extensions = "mp4",
6863  .priv_data_size = sizeof(MOVMuxContext),
6864  .audio_codec = AV_CODEC_ID_AAC,
6865  .video_codec = CONFIG_LIBX264_ENCODER ?
6866  AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6867  .init = mov_init,
6871  .deinit = mov_free,
6873  .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6874  .check_bitstream = mov_check_bitstream,
6875  .priv_class = &mp4_muxer_class,
6876 };
6877 #endif
6878 #if CONFIG_PSP_MUXER
6879 MOV_CLASS(psp)
6881  .name = "psp",
6882  .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6883  .extensions = "mp4,psp",
6884  .priv_data_size = sizeof(MOVMuxContext),
6885  .audio_codec = AV_CODEC_ID_AAC,
6886  .video_codec = CONFIG_LIBX264_ENCODER ?
6887  AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6888  .init = mov_init,
6892  .deinit = mov_free,
6894  .codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
6895  .check_bitstream = mov_check_bitstream,
6896  .priv_class = &psp_muxer_class,
6897 };
6898 #endif
6899 #if CONFIG_TG2_MUXER
6900 MOV_CLASS(tg2)
6902  .name = "3g2",
6903  .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6904  .extensions = "3g2",
6905  .priv_data_size = sizeof(MOVMuxContext),
6906  .audio_codec = AV_CODEC_ID_AMR_NB,
6907  .video_codec = AV_CODEC_ID_H263,
6908  .init = mov_init,
6912  .deinit = mov_free,
6914  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6915  .check_bitstream = mov_check_bitstream,
6916  .priv_class = &tg2_muxer_class,
6917 };
6918 #endif
6919 #if CONFIG_IPOD_MUXER
6920 MOV_CLASS(ipod)
6922  .name = "ipod",
6923  .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6924  .mime_type = "video/mp4",
6925  .extensions = "m4v,m4a,m4b",
6926  .priv_data_size = sizeof(MOVMuxContext),
6927  .audio_codec = AV_CODEC_ID_AAC,
6928  .video_codec = AV_CODEC_ID_H264,
6929  .init = mov_init,
6933  .deinit = mov_free,
6935  .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6936  .check_bitstream = mov_check_bitstream,
6937  .priv_class = &ipod_muxer_class,
6938 };
6939 #endif
6940 #if CONFIG_ISMV_MUXER
6941 MOV_CLASS(ismv)
6943  .name = "ismv",
6944  .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6945  .mime_type = "video/mp4",
6946  .extensions = "ismv,isma",
6947  .priv_data_size = sizeof(MOVMuxContext),
6948  .audio_codec = AV_CODEC_ID_AAC,
6949  .video_codec = AV_CODEC_ID_H264,
6950  .init = mov_init,
6954  .deinit = mov_free,
6956  .codec_tag = (const AVCodecTag* const []){
6958  .check_bitstream = mov_check_bitstream,
6959  .priv_class = &ismv_muxer_class,
6960 };
6961 #endif
6962 #if CONFIG_F4V_MUXER
6963 MOV_CLASS(f4v)
6965  .name = "f4v",
6966  .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6967  .mime_type = "application/f4v",
6968  .extensions = "f4v",
6969  .priv_data_size = sizeof(MOVMuxContext),
6970  .audio_codec = AV_CODEC_ID_AAC,
6971  .video_codec = AV_CODEC_ID_H264,
6972  .init = mov_init,
6976  .deinit = mov_free,
6978  .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6979  .check_bitstream = mov_check_bitstream,
6980  .priv_class = &f4v_muxer_class,
6981 };
6982 #endif
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1580
int32_t pitch
Rotation around the right vector [-90, 90].
Definition: spherical.h:127
#define FF_PROFILE_DNXHD
Definition: avcodec.h:2874
#define MOV_TRACK_STPS
Definition: movenc.h:96
static int utf8len(const uint8_t *b)
Definition: movenc.c:119
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:488
#define FF_COMPLIANCE_EXPERIMENTAL
Allow nonstandardized experimental things.
Definition: avcodec.h:2597
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
This function writes extradata "as is".
Definition: movenc.c:590
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:81
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
Definition: isom.c:408
int cid
Definition: mxfenc.c:1949
uint8_t bitstream_mode
Definition: ac3.h:185
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:689
internal header for HEVC (de)muxer utilities
#define FF_MOV_FLAG_DELAY_MOOV
Definition: movenc.h:252
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:463
static void av_unused put_bits32(PutBitContext *s, uint32_t value)
Write exactly 32 bits into a bitstream.
Definition: put_bits.h:250
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:771
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:3981
static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov, int tracks, int moof_size)
Definition: movenc.c:4433
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
Definition: movenc.c:3655
Bytestream IO Context.
Definition: avio.h:161
enum AVColorTransferCharacteristic color_trc
Definition: avcodec.h:3988
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int packet_entry
Definition: movenc.h:154
#define FF_MOV_FLAG_FASTSTART
Definition: movenc.h:246
long chunkCount
Definition: movenc.h:92
static int get_cluster_duration(MOVTrack *track, int cluster_idx)
Definition: movenc.c:978
static int mov_write_dinf_tag(AVIOContext *pb)
Definition: movenc.c:2467
int ff_interleaved_peek(AVFormatContext *s, int stream, AVPacket *pkt, int add_offset)
Find the next packet in the interleaving queue for the given stream.
Definition: mux.c:1139
Buffered I/O operations.
enum AVCodecID id
Definition: internal.h:45
int use_editlist
Definition: movenc.h:217
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:385
static int mov_flush_fragment(AVFormatContext *s, int force)
Definition: movenc.c:4974
#define OPUS_SEEK_PREROLL_MS
Definition: oggparseopus.c:35
int tag
stsd fourcc
Definition: movenc.h:105
static AVRational find_fps(AVFormatContext *s, AVStream *st)
Definition: movenc.c:1334
int language
Definition: movenc.h:103
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
Return the written size and a pointer to the buffer.
Definition: aviobuf.c:1420
AVOption.
Definition: opt.h:246
int64_t dts_shift
Definition: movenc.h:122
static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4381
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
int ffio_close_null_buf(AVIOContext *s)
Close a null buffer.
Definition: aviobuf.c:1480
AVOutputFormat ff_f4v_muxer
static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:315
int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags)
Write WAVEFORMAT header structure.
Definition: riffenc.c:54
static void mov_write_psp_udta_tag(AVIOContext *pb, const char *str, const char *lang, int type)
Definition: movenc.c:3779
#define MOV_TFHD_DEFAULT_DURATION
Definition: isom.h:306
unsigned int entries
Definition: movenc.h:53
static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1538
AVIOContext * mdat_buf
Definition: movenc.h:204
static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2146
Definition: isom.h:56
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Definition: j2kenc.c:208
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
Definition: get_bits.h:381
static void param_write_int(AVIOContext *pb, const char *name, int value)
Definition: movenc.c:3975
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define FF_MOV_FLAG_FRAGMENT
Definition: movenc.h:240
static void find_compressor(char *compressor_name, int len, MOVTrack *track)
Definition: movenc.c:1903
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
static int mov_write_subtitle_end_packet(AVFormatContext *s, int stream_index, int64_t dts)
Definition: movenc.c:5609
static int mov_write_enda_tag_be(AVIOContext *pb)
Definition: movenc.c:604
int nb_frag_info
Definition: movenc.h:144
int max_fragment_size
Definition: movenc.h:202
struct AVAESCTR * aes_ctr
Definition: movenccenc.h:34
void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: utils.c:4882
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
Definition: get_bits.h:293
const char * g
Definition: vf_curves.c:115
int ff_av1_filter_obus(AVIOContext *pb, const uint8_t *buf, int size)
Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write the resulting bitstream ...
Definition: av1.c:30
static int mov_write_dref_tag(AVIOContext *pb)
Definition: movenc.c:2322
static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
Definition: movenc.c:2202
#define NTP_OFFSET_US
Definition: internal.h:245
int max_bitrate
Maximum bitrate of the stream, in bits per second.
Definition: avcodec.h:1113
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int long_style)
Definition: movenc.c:3345
static const AVCodecTag codec_f4v_tags[]
Definition: movenc.c:6804
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 ...
Definition: pixfmt.h:492
AVRational sample_aspect_ratio
Video only.
Definition: avcodec.h:3976
This side data should be associated with a video stream and contains Stereoscopic 3D information in f...
Definition: avcodec.h:1226
static int mov_pcm_be_gt16(enum AVCodecID codec_id)
Definition: movenc.c:697
int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, int track_index, int sample, uint8_t *sample_data, int sample_size)
Definition: movenchint.c:401
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:448
Video represents a portion of a sphere mapped on a flat surface using equirectangular projection...
Definition: spherical.h:72
static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
Definition: movenc.c:5830
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:3900
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1512
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown)
Definition: avformat.h:936
int num
Numerator.
Definition: rational.h:59
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:108
int index
stream index in AVFormatContext
Definition: avformat.h:875
int size
Definition: avcodec.h:1446
int ff_hevc_annexb2mp4_buf(const uint8_t *buf_in, uint8_t **buf_out, int *size, int filter_ps, int *ps_count)
Writes Annex B formatted HEVC NAL units to a data buffer.
Definition: hevc.c:1080
const char * b
Definition: vf_curves.c:116
#define MOV_TRUN_SAMPLE_CTS
Definition: isom.h:317
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:246
#define AVIO_FLAG_READ
read-only
Definition: avio.h:654
#define av_bswap16
Definition: bswap.h:31
static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1296
void ff_mov_cenc_free(MOVMuxCencContext *ctx)
Free a CENC context.
Definition: movenccenc.c:412
This side data contains an integer value representing the stream index of a "fallback" track...
Definition: avcodec.h:1252
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:493
#define tc
Definition: regdef.h:69
static av_always_inline uint64_t av_double2int(double f)
Reinterpret a double as a 64-bit integer.
Definition: intfloat.h:70
static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
Definition: movenc.c:3104
static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:278
#define AV_DISPOSITION_HEARING_IMPAIRED
stream for hearing impaired audiences
Definition: avformat.h:832
long sample_count
Definition: movenc.h:90
Video represents a sphere mapped on a flat surface using equirectangular projection.
Definition: spherical.h:56
int end_reliable
Definition: movenc.h:121
SMPTE ST 431-2 (2011) / DCI P3.
Definition: pixfmt.h:447
static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3563
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1784
int64_t avio_skip(AVIOContext *s, int64_t offset)
Skip given number of bytes forward.
Definition: aviobuf.c:331
unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum AVCodecID id)
Definition: utils.c:3114
char * encryption_scheme_str
Definition: movenc.h:223
const char * key
int version
Definition: avisynth_c.h:766
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
#define FF_MOV_FLAG_ISML
Definition: movenc.h:245
static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2484
static int mov_write_track_metadata(AVIOContext *pb, AVStream *st, const char *tag, const char *str)
Definition: movenc.c:3063
static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:728
Views are next to each other.
Definition: stereo3d.h:67
static AVPacket pkt
#define MOV_TFHD_DURATION_IS_EMPTY
Definition: isom.h:309
static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:1931
AVStream * st
Definition: movenc.h:106
static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1822
static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
Definition: movenc.c:2127
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_RB16
Definition: bytestream.h:87
static uint16_t language_code(const char *str)
Definition: movenc.c:3666
#define FF_PROFILE_AAC_HE_V2
Definition: avcodec.h:2868
#define AVFMT_ALLOW_FLUSH
Format allows flushing.
Definition: avformat.h:478
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
Definition: bytestream.h:87
static int is_cover_image(const AVStream *st)
Definition: movenc.c:148
int avio_open_dyn_buf(AVIOContext **s)
Open a write only memory stream.
Definition: aviobuf.c:1391
static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1503
int strict_std_compliance
Allow non-standard and experimental extension.
Definition: avformat.h:1659
uint16_t chan_loc
Definition: movenc.c:386
This struct describes the properties of an encoded stream.
Definition: avcodec.h:3892
#define AV_PKT_FLAG_DISPOSABLE
Flag is used to indicate packets that contain frames that can be discarded by the decoder...
Definition: avcodec.h:1496
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
Definition: movenc.c:1651
AVCodecParameters * par
Definition: movenc.h:107
static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int entry)
Definition: movenc.c:4278
int64_t track_duration
Definition: movenc.h:88
functionally identical to above
Definition: pixfmt.h:494
enum AVColorSpace color_space
Definition: avcodec.h:3989
int encryption_kid_len
Definition: movenc.h:228
#define MOV_TFHD_DEFAULT_BASE_IS_MOOF
Definition: isom.h:310
int ff_mov_cenc_write_packet(MOVMuxCencContext *ctx, AVIOContext *pb, const uint8_t *buf_in, int size)
Write a fully encrypted packet.
Definition: movenccenc.c:167
int frame_size
Audio only.
Definition: avcodec.h:4021
int last_sample_is_subtitle_end
Definition: movenc.h:89
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:941
int entries_flushed
Definition: movenc.h:142
#define MOV_TKHD_FLAG_ENABLED
Definition: isom.h:329
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:106
static int shift_data(AVFormatContext *s)
Definition: movenc.c:6547
Trailer data, which doesn't contain actual content, but only for finalizing the output file...
Definition: avio.h:140
Format I/O context.
Definition: avformat.h:1351
int64_t frag_start
Definition: movenc.h:140
static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:225
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s, int disc)
Definition: movenc.c:3426
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5630
struct eac3_info::@258 substream[1]
int avpriv_ac3_parse_header(AC3HeaderInfo **phdr, const uint8_t *buf, size_t size)
Definition: ac3_parser.c:247
static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
Definition: movenc.c:1681
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks, int size)
Definition: movenc.c:4327
static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5524
Public dictionary API.
double avpriv_get_gamma_from_trc(enum AVColorTransferCharacteristic trc)
Determine a suitable 'gamma' value to match the supplied AVColorTransferCharacteristic.
Definition: color_utils.c:28
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx)
Parse timecode representation (hh:mm:ss[:;.
Definition: timecode.c:194
static double cb(void *priv, double x, double y)
Definition: vf_geq.c:112
int first_trun
Definition: movenc.h:205
int empty_hdlr_name
Definition: movenc.h:236
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3792
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
int64_t default_duration
Definition: movenc.h:131
#define READ_BLOCK
uint32_t flags
Definition: movenc.h:98
#define FF_MOV_FLAG_EMPTY_MOOV
Definition: movenc.h:241
#define FF_MOV_FLAG_WRITE_COLR
Definition: movenc.h:254
void av_packet_free(AVPacket **pkt)
Free the packet, if the packet is reference counted, it will be unreferenced first.
Definition: avpacket.c:62
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:369
uint8_t
Round toward +infinity.
Definition: mathematics.h:83
static int nb_streams
Definition: ffprobe.c:276
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
Definition: movenc.c:3024
static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2674
unsigned frag_info_capacity
Definition: movenc.h:146
#define av_malloc(s)
int ff_hevc_annexb2mp4(AVIOContext *pb, const uint8_t *buf_in, int size, int filter_ps, int *ps_count)
Writes Annex B formatted HEVC NAL units to the provided AVIOContext.
Definition: hevc.c:1032
Opaque data information usually continuous.
Definition: avutil.h:203
int missing_duration_warned
Definition: movenc.h:221
static const struct @257 mov_pix_fmt_tags[]
static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2337
int width
Video only.
Definition: avcodec.h:3966
uint64_t mdat_size
Definition: movenc.h:188
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
AVOutputFormat ff_ipod_muxer
unsigned int samples_in_chunk
Definition: movenc.h:51
#define MOV_CLASS(flavor)
Definition: movenc.c:109
8 bits with AV_PIX_FMT_RGB32 palette
Definition: pixfmt.h:77
static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2236
AVOptions.
uint8_t lfe_on
Definition: ac3.h:187
AVCodecParameters * avcodec_parameters_alloc(void)
Allocate a new AVCodecParameters and set its fields to default values (unknown/invalid/0).
Definition: utils.c:1992
static int get_samples_per_packet(MOVTrack *track)
Definition: movenc.c:998
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:176
static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1361
const AVCodecTag ff_codec_movvideo_tags[]
Definition: isom.c:75
int frag_interleave
Definition: movenc.h:220
static int mov_pcm_le_gt16(enum AVCodecID codec_id)
Definition: movenc.c:689
timecode is drop frame
Definition: timecode.h:36
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1463
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3994
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1220
int id
Format-specific stream ID.
Definition: avformat.h:881
void ff_format_io_close(AVFormatContext *s, AVIOContext **pb)
Definition: utils.c:5670
int encryption_key_len
Definition: movenc.h:226
static const AVOption options[]
Definition: movenc.c:60
#define MODE_PSP
Definition: movenc.h:39
static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:705
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type)
Mark the written bytestream as a specific type.
Definition: aviobuf.c:493
uint8_t * av_stream_get_side_data(const AVStream *stream, enum AVPacketSideDataType type, int *size)
Get side information from stream.
Definition: utils.c:5476
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2896
static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
Definition: movenc.c:5732
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_RB32
Definition: bytestream.h:87
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1419
int64_t duration
Definition: movenc.c:63
static int mov_write_vmhd_tag(AVIOContext *pb)
Definition: movenc.c:2568
#define MODE_MP4
Definition: movenc.h:36
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:105
static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
Definition: movenc.c:4552
int pal_done
Definition: movenc.h:163
static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:301
A point in the output bytestream where a demuxer can start parsing (for non self synchronizing bytest...
Definition: avio.h:128
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov, int tracks, int ref_size)
Definition: movenc.c:4517
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3899
double strtod(const char *, char **)
uint8_t * encryption_key
Definition: movenc.h:225
int ff_mov_cenc_init(MOVMuxCencContext *ctx, uint8_t *encryption_key, int use_subsamples, int bitexact)
Initialize a CENC context.
Definition: movenccenc.c:388
const char * av_stereo3d_type_name(unsigned int type)
Provide a human-readable name of a given stereo3d type.
Definition: stereo3d.c:57
#define height
int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size)
Definition: avc.c:197
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
int chapter_track
qt chapter track number
Definition: movenc.h:186
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1482
int need_rewrite_extradata
Definition: movenc.h:230
uint8_t * data
Definition: avcodec.h:1445
#define FF_MOV_FLAG_OMIT_TFHD_OFFSET
Definition: movenc.h:247
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par)
Writes VP codec configuration to the provided AVIOContext.
Definition: vpcc.c:149
int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size)
Writes AV1 extradata (Sequence Header and Metadata OBUs) to the provided AVIOContext.
Definition: av1.c:300
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
Definition: avpacket.c:653
int64_t time
Definition: movenc.h:77
static void mov_free(AVFormatContext *s)
Definition: movenc.c:5930
#define MOV_TRUN_SAMPLE_SIZE
Definition: isom.h:315
uint32_t tag
Definition: movenc.c:1483
static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3480
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3270
int fragments
Definition: movenc.h:199
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1664
int iods_audio_profile
Definition: movenc.h:196
bitstream reader API header.
#define MOV_TIMESCALE
Definition: movenc.h:32
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int max_fragment_duration
Definition: movenc.h:200
int av_match_ext(const char *filename, const char *extensions)
Return a positive value if the given filename has one of the given extensions, 0 otherwise.
Definition: format.c:38
static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks, int64_t mdat_size)
Definition: movenc.c:4595
uint8_t bitstream_id
Definition: ac3.h:184
Video is not stereoscopic (and metadata has to be there).
Definition: stereo3d.h:55
int buffer_size
The size of the buffer to which the ratecontrol is applied, in bits.
Definition: avcodec.h:1129
ptrdiff_t size
Definition: opengl_enc.c:101
int64_t mdat_pos
Definition: movenc.h:187
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
void ff_mov_close_hinting(MOVTrack *track)
Definition: movenchint.c:459
static int mov_write_uuid_tag_ipod(AVIOContext *pb)
Write uuid atom.
Definition: movenc.c:1635
unsigned int size
Definition: movenc.h:50
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:218
static av_always_inline void ffio_wfourcc(AVIOContext *pb, const uint8_t *s)
Definition: avio_internal.h:58
static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1612
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1499
#define FF_MOV_FLAG_DASH
Definition: movenc.h:250
#define AV_WB16(p, v)
Definition: intreadwrite.h:405
static const uint16_t fiel_data[]
Definition: movenc.c:1647
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4002
#define av_log(a,...)
#define MOV_TFHD_DEFAULT_SIZE
Definition: isom.h:307
static int mov_write_nmhd_tag(AVIOContext *pb)
Definition: movenc.c:2476
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:276
int ism_lookahead
Definition: movenc.h:203
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1370
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
Definition: avpacket.c:607
#define ROUNDED_DIV(a, b)
Definition: common.h:56
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:3929
#define FF_COMPLIANCE_UNOFFICIAL
Allow unofficial extensions.
Definition: avcodec.h:2596
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1477
#define MODE_3G2
Definition: movenc.h:41
attribute_deprecated int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src)
Copy packet side data.
Definition: avpacket.c:226
const AVCodecTag codec_ism_tags[]
Definition: movenc.c:6788
uint64_t ff_ntp_time(void)
Get the current time since NTP epoch in microseconds.
Definition: utils.c:4641
static int compute_sidx_size(AVFormatContext *s)
Definition: movenc.c:6532
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
uint32_t tref_tag
Definition: movenc.h:116
uint8_t lfeon
Definition: movenc.c:381
uint32_t flags
Definition: movenc.h:58
static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:533
#define MOV_TIMECODE_FLAG_DROPFRAME
Definition: movenc.h:99
static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
Definition: movenc.c:4888
static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3042
int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
Parse creation_time in AVFormatContext metadata if exists and warn if the parsing fails...
Definition: utils.c:5682
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1591
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1504
int flags
Additional information about the frame packing.
Definition: stereo3d.h:185
static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3591
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3613
int64_t tfrf_offset
Definition: movenc.h:79
#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO
Definition: isom.h:326
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4676
static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:189
int64_t duration
Definition: movenc.h:78
uint8_t frame_type
Definition: ac3.h:188
static void put_descr(AVIOContext *pb, int tag, unsigned int size)
Definition: movenc.c:612
FLAC (Free Lossless Audio Codec) decoder/demuxer common functions.
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3508
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1213
#define AVERROR(e)
Definition: error.h:43
uint8_t acmod
Definition: movenc.c:379
static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb, const char *name, const char *tag, int len)
Definition: movenc.c:3453
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:350
AVPacket cover_image
Definition: movenc.h:136
int video_track_timescale
Definition: movenc.h:207
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
Definition: movenc.c:842
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
#define MODE_3GP
Definition: movenc.h:38
enum AVColorPrimaries color_primaries
Definition: avcodec.h:3987
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
char * url
input or output URL.
Definition: avformat.h:1447
uint8_t sr_code
Definition: ac3.h:183
static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1769
const char * r
Definition: vf_curves.c:114
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int ff_isom_write_hvcc(AVIOContext *pb, const uint8_t *data, int size, int ps_array_completeness)
Writes HEVC extradata (parameter sets, declarative SEI NAL units) to the provided AVIOContext...
Definition: hevc.c:1096
int ff_mov_cenc_avc_parse_nal_units(MOVMuxCencContext *ctx, AVIOContext *pb, const uint8_t *buf_in, int size)
Parse AVC NAL units from annex B format, the nal size and type are written in the clear while the bod...
Definition: movenccenc.c:192
AVStream * video_st
Definition: movenc.c:59
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:559
#define av_fourcc2str(fourcc)
Definition: avutil.h:348
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:3896
AVChapter ** chapters
Definition: avformat.h:1581
also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
Definition: pixfmt.h:435
static AVDictionaryEntry * get_metadata_lang(AVFormatContext *s, const char *tag, int *lang)
Definition: movenc.c:3320
static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int moof_size, int first, int end)
Definition: movenc.c:4201
#define FF_MOV_FLAG_WRITE_GAMA
Definition: movenc.h:255
static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track, AVStream *st)
Definition: movenc.c:5975
struct MOVTrack::@259 vc1_info
Coded AC-3 header values up to the lfeon element, plus derived values.
Definition: ac3.h:177
static av_always_inline av_const double round(double x)
Definition: libm.h:444
int height
active picture (w/o VBI) height for D-10/IMX
Definition: movenc.h:115
#define MOV_SAMPLE_DEPENDENCY_UNKNOWN
Definition: isom.h:334
static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVStream *st)
Definition: movenc.c:3077
#define FF_MOV_FLAG_SEPARATE_MOOF
Definition: movenc.h:243
int is_unaligned_qt_rgb
Definition: movenc.h:165
#define AES_CTR_KEY_SIZE
Definition: aes_ctr.h:30
static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
Assign track ids.
Definition: movenc.c:3865
uint8_t bsmod
Definition: movenc.c:377
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
GLsizei count
Definition: opengl_enc.c:109
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:947
const AVCodecTag ff_codec_wav_tags[]
Definition: riff.c:481
#define FFMAX(a, b)
Definition: common.h:94
int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size)
Definition: avc.c:93
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
Definition: isom.h:327
MOVEncryptionScheme encryption_scheme
Definition: movenc.h:224
size_t av_strlcpy(char *dst, const char *src, size_t size)
Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.
Definition: avstring.c:83
#define fail()
Definition: checkasm.h:117
int mode
Definition: movenc.h:84
const AVCodecTag ff_mp4_obj_type[]
Definition: isom.c:34
static const AVCodecTag codec_cover_image_tags[]
Definition: movenc.c:1585
static av_always_inline uint64_t ff_dnxhd_parse_header_prefix(const uint8_t *buf)
Definition: dnxhddata.h:86
const AVCodecTag ff_codec_movsubtitle_tags[]
Definition: isom.c:370
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1451
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3918
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:205
static float distance(float x, float y, int band)
int vos_len
Definition: movenc.h:110
int iods_skip
Definition: movenc.h:194
static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:4948
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1407
uint32_t bound_bottom
Distance from the bottom edge.
Definition: spherical.h:170
int ff_avc_parse_nal_units(AVIOContext *pb, const uint8_t *buf_in, int size)
Definition: avc.c:71
int64_t pts
Definition: movenc.h:49
static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:4838
static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
Definition: movenc.c:1797
#define LIBAVFORMAT_IDENT
Definition: version.h:46
int block_align
Audio only.
Definition: avcodec.h:4017
#define FF_MOV_FLAG_FRAG_DISCONT
Definition: movenc.h:251
static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2748
uint64_t pos
Definition: movenc.h:47
#define MOV_DISPOSABLE_SAMPLE
Definition: movenc.h:57
int first_frag_written
Definition: movenc.h:152
MOVMuxCencContext cenc
Definition: movenc.h:160
int64_t dts
Definition: movenc.h:48
#define MOV_FRAG_INFO_ALLOC_INCREMENT
Definition: movenc.h:30
#define MOV_TRACK_ENABLED
Definition: movenc.h:97
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2277
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
Video frame is split into 6 faces of a cube, and arranged on a 3x2 layout.
Definition: spherical.h:65
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:238
int ff_alloc_extradata(AVCodecParameters *par, int size)
Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end which is always set to 0...
Definition: utils.c:3287
int write_tmcd
Definition: movenc.h:234
int per_stream_grouping
Definition: movenc.h:214
int64_t data_offset
Definition: movenc.h:139
static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int64_t moof_offset)
Definition: movenc.c:4141
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:204
#define AV_TIME_BASE
Internal time base represented as integer.
Definition: avutil.h:254
#define FFMIN(a, b)
Definition: common.h:96
int nb_meta_tmcd
number of new created tmcd track based on metadata (aka not data copy)
Definition: movenc.h:185
Raw Video Codec.
const AVCodecTag ff_codec_bmp_tags[]
Definition: riff.c:32
static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3199
uint8_t interlaced
Definition: mxfenc.c:2094
int audio_vbr
Definition: movenc.h:114
static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
Definition: movenc.c:6728
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3695
#define width
uint32_t bit_rate
Definition: ac3.h:202
#define MOV_TKHD_FLAG_IN_MOVIE
Definition: isom.h:330
#define MOV_PARTIAL_SYNC_SAMPLE
Definition: movenc.h:56
int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
Definition: movenchint.c:29
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
AVPacket pkt
Definition: movenc.c:360
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2860
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:94
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1177
#define AVFMT_GLOBALHEADER
Format wants global header.
Definition: avformat.h:468
static int is_clcp_track(MOVTrack *track)
Definition: movenc.c:2577
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:497
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
Definition: pixfmt.h:440
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:487
This side data should be associated with a video stream and corresponds to the AVSphericalMapping str...
Definition: avcodec.h:1340
uint32_t bound_right
Distance from the right edge.
Definition: spherical.h:169
const char * name
Definition: avformat.h:507
int ff_get_packet_palette(AVFormatContext *s, AVPacket *pkt, int ret, uint32_t *palette)
Retrieves the palette from a packet, either from side data, or appended to the video data in the pack...
Definition: utils.c:5708
internal header for RIFF based (de)muxers do NOT include this in end user applications ...
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1309
int ff_mov_cenc_avc_write_nal_units(AVFormatContext *s, MOVMuxCencContext *ctx, int nal_length_size, AVIOContext *pb, const uint8_t *buf_in, int size)
Write AVC NAL units that are in MP4 format, the nal size and type are written in the clear while the ...
Definition: movenccenc.c:232
long sample_size
Definition: movenc.h:91
static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style)
Definition: movenc.c:3306
#define FLAC_STREAMINFO_SIZE
Definition: flac.h:34
int frag_discont
Definition: movenc.h:141
#define s(width, name)
Definition: cbs_vp9.c:257
static int mov_write_smhd_tag(AVIOContext *pb)
Definition: movenc.c:2558
static int mov_auto_flush_fragment(AVFormatContext *s, int force)
Definition: movenc.c:5184
int avoid_negative_ts
Avoid negative timestamps during muxing.
Definition: avformat.h:1682
int reserved_moov_size
0 for disabled, -1 for automatic, size otherwise
Definition: movenc.h:209
static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:165
static void param_write_string(AVIOContext *pb, const char *name, const char *value)
Definition: movenc.c:3980
int32_t yaw
Rotation around the up vector [-180, 180].
Definition: spherical.h:126
#define MOV_TRUN_SAMPLE_DURATION
Definition: isom.h:314
int n
Definition: avisynth_c.h:684
AVDictionary * metadata
Definition: avformat.h:938
int use_stream_ids_as_track_ids
Definition: movenc.h:232
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
enum AVCodecID codec_id
Definition: vaapi_decode.c:364
enum AVColorRange color_range
Video only.
Definition: avcodec.h:3986
static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1199
Usually treated as AVMEDIA_TYPE_DATA.
Definition: avutil.h:200
static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2928
static int mov_init(AVFormatContext *s)
Definition: movenc.c:6024
enum AVPixelFormat pix_fmt
Definition: movenc.c:1482
#define MOV_SAMPLE_DEPENDENCY_YES
Definition: isom.h:335
static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3186
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:748
#define FF_MOV_FLAG_FRAG_EVERY_FRAME
Definition: movenc.h:259
static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
Definition: movenc.c:1423
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb, const char *name, const char *key)
Definition: movenc.c:3635
#define AVERROR_EXPERIMENTAL
Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it...
Definition: error.h:72
#define FF_ARRAY_ELEMS(a)
#define AV_DISPOSITION_ATTACHED_PIC
The stream is stored in the file as an attached picture/"cover art" (e.g.
Definition: avformat.h:842
#define MOV_TRACK_CTTS
Definition: movenc.h:95
offset must point to a pointer immediately followed by an int for the length
Definition: opt.h:229
const char * avcodec_get_name(enum AVCodecID id)
Get the name of a codec.
Definition: utils.c:1135
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:512
static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4126
int iods_video_profile
Definition: movenc.h:195
AVOutputFormat ff_psp_muxer
#define AV_DISPOSITION_VISUAL_IMPAIRED
stream for visual impaired audiences
Definition: avformat.h:833
uint32_t padding
Number of pixels to pad from the edge of each cube face.
Definition: spherical.h:182
int avio_put_str(AVIOContext *s, const char *str)
Write a NULL-terminated string.
Definition: aviobuf.c:385
Stream structure.
Definition: avformat.h:874
static int get_sidx_size(AVFormatContext *s)
Definition: movenc.c:6489
uint64_t ff_get_formatted_ntp_time(uint64_t ntp_time_us)
Get the NTP time stamp formatted as per the RFC-5905.
Definition: utils.c:4646
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
int64_t end
chapter start/end time in time_base units
Definition: avformat.h:1311
also ITU-R BT1361
Definition: pixfmt.h:459
This structure describes the bitrate properties of an encoded bitstream.
Definition: avcodec.h:1108
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_WB16 unsigned int_TMPL AV_RB8
Definition: bytestream.h:87
The AV_PKT_DATA_NEW_EXTRADATA is used to notify the codec or the format that the extradata buffer was...
Definition: avcodec.h:1167
static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1167
#define AV_DISPOSITION_DEFAULT
Definition: avformat.h:819
static unsigned int validate_codec_tag(const AVCodecTag *const *tags, unsigned int tag, int codec_id)
Definition: movenc.c:1592
enum AVStereo3DType type
How views are packed within the video.
Definition: stereo3d.h:180
enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags, unsigned int fourcc)
Definition: utils.c:457
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:632
also ITU-R BT601-6 525 or 625 / ITU-R BT1358 525 or 625 / ITU-R BT1700 NTSC
Definition: pixfmt.h:464
int64_t end_pts
Definition: movenc.h:120
#define MOV_INDEX_CLUSTER_SIZE
Definition: movenc.h:31
int track_ids_ok
Definition: movenc.h:233
static int mov_write_d263_tag(AVIOContext *pb)
Definition: movenc.c:1155
#define FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS
Definition: movenc.h:258
Views are on top of each other.
Definition: stereo3d.h:79
AVOutputFormat ff_tgp_muxer
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_RB24
Definition: bytestream.h:87
static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
Definition: vc1_common.h:70
functionally identical to above
Definition: pixfmt.h:442
const AVCodecTag ff_codec_movaudio_tags[]
Definition: isom.c:313
int duration
Definition: isom.h:58
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int cts
Definition: movenc.h:54
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Definition: get_bits.h:650
static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
Definition: movenc.c:4367
const struct AVCodecTag *const * codec_tag
List of supported codec_id-codec_tag pairs, ordered by "better choice first".
Definition: avformat.h:532
#define MOV_SAMPLE_DEPENDENCY_NO
Definition: isom.h:336
#define FF_RTP_FLAG_OPTS(ctx, fieldname)
Definition: rtpenc.h:74
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:196
static uint32_t rgb_to_yuv(uint32_t rgb)
Definition: movenc.c:5959
#define MOV_TRUN_FIRST_SAMPLE_FLAGS
Definition: isom.h:313
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:598
#define FF_MOV_FLAG_FRAG_CUSTOM
Definition: movenc.h:244
uint32_t timecode_flags
Definition: movenc.h:102
int hint_track
the track that hints this track, -1 if no hint track is set
Definition: movenc.h:124
static int mov_write_hmhd_tag(AVIOContext *pb)
Definition: movenc.c:2659
int slices
Definition: movenc.h:155
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
Definition: movenc.c:4867
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
#define FF_MOV_FLAG_GLOBAL_SIDX
Definition: movenc.h:253
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:925
static void build_chunks(MOVTrack *trk)
Definition: movenc.c:3830
int ff_av1_filter_obus_buf(const uint8_t *buf, uint8_t **out, int *size)
Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write the resulting bitstream ...
Definition: av1.c:60
void * buf
Definition: avisynth_c.h:690
GLint GLenum type
Definition: opengl_enc.c:105
Replacements for frequently missing libm functions.
static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2432
uint32_t default_size
Definition: movenc.h:133
static unsigned int get_bits1(GetBitContext *s)
Definition: get_bits.h:487
int ff_mov_cenc_write_sinf_tag(MOVTrack *track, AVIOContext *pb, uint8_t *kid)
Write the sinf atom, contained inside stsd.
Definition: movenccenc.c:364
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:379
unsigned int count
Definition: isom.h:57
float gamma
Definition: movenc.h:218
#define FF_MOV_FLAG_RTP_HINT
Definition: movenc.h:239
static void skip_bits(GetBitContext *s, int n)
Definition: get_bits.h:460
#define AV_WB32(p, v)
Definition: intreadwrite.h:419
#define FF_COMPLIANCE_NORMAL
Definition: avcodec.h:2595
AVFormatContext * fc
Definition: movenc.h:215
Y , 16bpp, big-endian.
Definition: pixfmt.h:97
int index
Definition: gxfenc.c:89
static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:717
unsigned int chunkNum
Chunk number if the current entry is a chunk start otherwise 0.
Definition: movenc.h:52
unsigned int avpriv_toupper4(unsigned int x)
Definition: utils.c:1786
int32_t roll
Rotation around the forward vector [-180, 180].
Definition: spherical.h:128
static int co64_required(const MOVTrack *track)
Definition: movenc.c:141
Rational number (pair of numerator and denominator).
Definition: rational.h:58
uint64_t time
Definition: movenc.h:87
int first_packet_seq
Definition: movenc.h:149
#define FF_MOV_FLAG_SKIP_TRAILER
Definition: movenc.h:257
static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
Definition: movenc.c:3985
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
Definition: get_bits.h:615
int64_t time
Definition: movenc.h:183
uint16_t frame_size
Definition: ac3.h:204
int has_keyframes
Definition: movenc.h:93
int ffio_open_null_buf(AVIOContext **s)
Open a write-only fake memory stream.
Definition: aviobuf.c:1470
int entry
Definition: movenc.h:85
static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:771
static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
Definition: movenc.c:3375
size_t av_strlcatf(char *dst, size_t size, const char *fmt,...)
Definition: avstring.c:101
SMPTE ST 428-1.
Definition: pixfmt.h:476
#define MOV_TFHD_DEFAULT_FLAGS
Definition: isom.h:308
#define AVFMT_AVOID_NEG_TS_AUTO
Enabled when required by target format.
Definition: avformat.h:1683
MOVFragmentInfo * frag_info
Definition: movenc.h:145
#define snprintf
Definition: snprintf.h:34
char * major_brand
Definition: movenc.h:212
int64_t start_cts
Definition: movenc.h:119
#define AVFMT_FLAG_AUTO_BSF
Add bitstream filters as requested by the muxer.
Definition: avformat.h:1510
This structure describes how to handle spherical videos, outlining information about projection...
Definition: spherical.h:82
#define MOV_TRUN_SAMPLE_FLAGS
Definition: isom.h:316
uint8_t * vos_data
Definition: movenc.h:111
int first_packet_entry
Definition: movenc.h:150
#define TAG_IS_AVCI(tag)
Definition: isom.h:339
uint32_t palette[AVPALETTE_COUNT]
Definition: movenc.h:162
AVOutputFormat ff_mov_muxer
size_t av_strlcat(char *dst, const char *src, size_t size)
Append the string src to the string dst, but to a total length of no more than size - 1 bytes...
Definition: avstring.c:93
Round toward -infinity.
Definition: mathematics.h:82
static const AVCodecTag codec_3gp_tags[]
Definition: movenc.c:6743
mfxU16 profile
Definition: qsvenc.c:44
static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
Definition: movenc.c:2781
static int mov_write_enda_tag(AVIOContext *pb)
Definition: movenc.c:596
static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2583
static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2506
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:475
#define flags(name, subs,...)
Definition: cbs_av1.c:596
AVOutputFormat ff_ismv_muxer
static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c, int16_t d, int16_t tx, int16_t ty)
Definition: movenc.c:2767
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:380
uint16_t data_rate
Definition: movenc.c:366
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:107
AVFormatContext * rtp_ctx
the format context for the hinting rtp muxer
Definition: movenc.h:126
int bits_per_raw_sample
This is the number of valid bits in each output sample.
Definition: avcodec.h:3955
uint8_t level
Definition: svq3.c:207
uint32_t bound_top
Distance from the top edge.
Definition: spherical.h:168
int track_id
Definition: movenc.h:104
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3721
unsigned int tag
Definition: internal.h:46
static int mov_write_trailer(AVFormatContext *s)
Definition: movenc.c:6613
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:511
int64_t start
Definition: avformat.h:1311
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
int sample_rate
Audio only.
Definition: avcodec.h:4010
#define FF_MOV_FLAG_FRAG_KEYFRAME
Definition: movenc.h:242
#define AVFMT_AVOID_NEG_TS_MAKE_ZERO
Shift timestamps so that they start at 0.
Definition: avformat.h:1685
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, const char *tag, const char *str)
Definition: movenc.c:3673
static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
Definition: movenc.c:1711
static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:1019
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3210
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:76
static int defined_frame_rate(AVFormatContext *s, AVStream *st)
Definition: movenc.c:1352
Main libavformat public API header.
static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:4313
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx, const char *dest_addr, const char *dest_type, int port, int ttl, AVFormatContext *fmt)
Append the media-specific SDP fragment for the media stream c to the buffer buff. ...
Definition: sdp.c:846
int packet_seq
Definition: movenc.h:153
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4626
common internal api header.
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
Definition: put_bits.h:101
if(ret< 0)
Definition: vf_mcdeint.c:279
#define MOV_TFHD_BASE_DATA_OFFSET
Definition: isom.h:304
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
Definition: movenc.c:5839
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:75
enum AVSphericalProjection projection
Projection type.
Definition: spherical.h:86
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
Definition: movenc.c:4135
#define MOV_SYNC_SAMPLE
Definition: movenc.h:55
static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:4257
#define flag(name)
Definition: cbs_av1.c:588
static double c[64]
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: avcodec.h:3960
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:102
static int rtp_hinting_needed(const AVStream *st)
Definition: movenc.c:155
int disposition
AV_DISPOSITION_* bit field.
Definition: avformat.h:927
uint32_t max_packet_size
Definition: movenc.h:129
AVOutputFormat ff_mp4_muxer
static int mov_write_sidx_tag(AVIOContext *pb, MOVTrack *track, int ref_size, int total_sidx_size)
Definition: movenc.c:4456
Stereoscopic video.
int src_track
the track that this hint (or tmcd) track describes
Definition: movenc.h:125
static void init(int bf, int audio_preroll)
Definition: movenc.c:242
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1310
int av_grow_packet(AVPacket *pkt, int grow_by)
Increase packet size, correctly zeroing padding.
Definition: avpacket.c:109
int multichannel_as_mono
Definition: movenc.h:108
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:33
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:925
static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:799
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, int64_t moof_offset, int moof_size)
Definition: movenc.c:4393
char * key
Definition: dict.h:86
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
Definition: put_bits.h:48
int den
Denominator.
Definition: rational.h:60
MOVIentry * cluster
Definition: movenc.h:112
unsigned bps
Definition: movenc.c:1484
int av_timecode_check_frame_rate(AVRational rate)
Check if the timecode feature is available for the given frame rate.
Definition: timecode.c:179
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
Definition: avcodec.h:782
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:478
#define MODE_IPOD
Definition: movenc.h:42
static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:3357
static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
Definition: movenc.c:3548
#define FF_MOV_FLAG_DISABLE_CHPL
Definition: movenc.h:248
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:3157
A point in the output bytestream where a decoder can start decoding (i.e.
Definition: avio.h:122
static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
Definition: movenc.c:254
#define xf(width, name, var, range_min, range_max, subs,...)
Definition: cbs_av1.c:698
#define av_free(p)
char * value
Definition: dict.h:87
uint32_t default_sample_flags
Definition: movenc.h:132
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
unsigned timescale
Definition: movenc.h:86
int len
#define FF_MOV_FLAG_DEFAULT_BASE_MOOF
Definition: movenc.h:249
static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
Definition: movenc.c:4650
int avg_bitrate
Average bitrate of the stream, in bits per second.
Definition: avcodec.h:1123
int substreamid
substream identification
Definition: ac3.h:189
MOVPrftBox write_prft
Definition: movenc.h:235
static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:1187
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5545
uint8_t ec3_done
Definition: movenc.c:361
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
Definition: movenc.c:3286
void * priv_data
Format private data.
Definition: avformat.h:1379
static int mov_write_header(AVFormatContext *s)
Definition: movenc.c:6336
This side data corresponds to the AVCPBProperties struct.
Definition: avcodec.h:1257
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:337
#define lrint
Definition: tablegen.h:53
uint32_t bound_left
Distance from the left edge.
Definition: spherical.h:167
int64_t reserved_header_pos
Definition: movenc.h:210
int ff_reshuffle_raw_rgb(AVFormatContext *s, AVPacket **ppkt, AVCodecParameters *par, int expected_stride)
Reshuffles the lines to use the user specified stride.
Definition: rawutils.c:25
static int64_t update_size(AVIOContext *pb, int64_t pos)
Definition: movenc.c:131
int bits_per_coded_sample
The number of bits per sample in the codedwords.
Definition: avcodec.h:3942
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3914
#define FF_PROFILE_AAC_HE
Definition: avcodec.h:2867
#define MOV_TRUN_DATA_OFFSET
Definition: isom.h:312
int64_t start_dts
Definition: movenc.h:118
static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2709
#define CENC_KID_SIZE
Definition: movenccenc.h:29
int channels
Audio only.
Definition: avcodec.h:4006
#define LIBAVCODEC_IDENT
Definition: version.h:42
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1444
int tref_id
trackID of the referenced track
Definition: movenc.h:117
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:4688
#define FF_MOV_FLAG_USE_MDTA
Definition: movenc.h:256
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:441
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:377
static int check_pkt(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5198
ITU-R BT2020.
Definition: pixfmt.h:444
int first_packet_seen
Definition: movenc.h:151
#define av_freep(p)
internal header for VPx codec configuration utilities.
const PixelFormatTag avpriv_pix_fmt_bps_mov[]
Definition: raw.c:324
static const AVCodecTag codec_ipod_tags[]
Definition: movenc.c:6793
static unsigned compute_avg_bitrate(MOVTrack *track)
Definition: movenc.c:621
void INT64 start
Definition: avisynth_c.h:690
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:2107
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
Definition: movenc.c:3013
int moov_written
Definition: movenc.h:198
#define MODE_F4V
Definition: movenc.h:44
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1021
static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
Definition: movenc.c:4767
AVOutputFormat ff_tg2_muxer
#define av_malloc_array(a, b)
uint8_t fscod
Definition: movenc.c:371
uint32_t codec_tag
Additional information about the codec (corresponds to the AVI FOURCC).
Definition: avcodec.h:3904
unsigned cluster_capacity
Definition: movenc.h:113
int num_blocks
number of audio blocks
Definition: ac3.h:193
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:5236
uint8_t channel_mode
Definition: ac3.h:186
static int mov_get_lpcm_flags(enum AVCodecID codec_id)
Compute flags for 'lpcm' tag.
Definition: movenc.c:953
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2362
int stream_index
Definition: avcodec.h:1447
#define MODE_MOV
Definition: movenc.h:37
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:903
uint32_t ff_mov_get_channel_layout_tag(enum AVCodecID codec_id, uint64_t channel_layout, uint32_t *bitmap)
Get the channel layout tag for the specified codec id and channel layout.
Definition: mov_chan.c:494
static double cr(void *priv, double x, double y)
Definition: vf_geq.c:113
void ff_mov_cenc_write_stbl_atoms(MOVMuxCencContext *ctx, AVIOContext *pb)
Write the cenc atoms that should reside inside stbl.
Definition: movenccenc.c:339
static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
Definition: movenc.c:2214
#define AV_CH_LAYOUT_MONO
#define MKTAG(a, b, c, d)
Definition: common.h:366
#define AVFMT_TS_NEGATIVE
Format allows muxing negative timestamps.
Definition: avformat.h:484
uint8_t num_blocks
Definition: movenc.c:362
int(* io_open)(struct AVFormatContext *s, AVIOContext **pb, const char *url, int flags, AVDictionary **options)
A callback for opening new IO streams.
Definition: avformat.h:1933
void * eac3_priv
Definition: movenc.h:158
static void enable_tracks(AVFormatContext *s)
Definition: movenc.c:5888
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
const AVCodecTag codec_mp4_tags[]
Definition: movenc.c:6754
#define MODE_ISM
Definition: movenc.h:43
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
Definition: bytestream.h:87
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
char * ff_data_to_hex(char *buf, const uint8_t *src, int size, int lowercase)
Definition: utils.c:4833
This structure stores compressed data.
Definition: avcodec.h:1422
int64_t offset
Definition: movenc.h:76
int min_fragment_duration
Definition: movenc.h:201
MOVTrack * tracks
Definition: movenc.h:189
uint8_t num_ind_sub
Definition: movenc.c:368
static av_always_inline const uint8_t * find_next_marker(const uint8_t *src, const uint8_t *end)
Find VC-1 marker in buffer.
Definition: vc1_common.h:59
uint8_t num_dep_sub
Definition: movenc.c:384
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1438
uint8_t bsid
Definition: movenc.c:373
AVIOContext * mdat_buf
Definition: movenc.h:138
int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
Definition: avc.c:107
#define t2
Definition: regdef.h:30
Header data; this needs to be present for the stream to be decodeable.
Definition: avio.h:115
#define FFMAX3(a, b, c)
Definition: common.h:95
int nb_streams
Definition: movenc.h:184
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
int has_disposable
Definition: movenc.h:94
int avio_printf(AVIOContext *s, const char *fmt,...) av_printf_format(2
#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
Definition: isom.h:320
#define FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX
Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.
Definition: riff.h:54
static int compute_moov_size(AVFormatContext *s)
Definition: movenc.c:6507
uint8_t * encryption_kid
Definition: movenc.h:227
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191
const char * name
Definition: opengl_enc.c:103
static int get_moov_size(AVFormatContext *s)
Definition: movenc.c:6476
bitstream writer API