FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
mxfenc.c
Go to the documentation of this file.
1 /*
2  * MXF muxer
3  * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4  * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /*
24  * References
25  * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
26  * SMPTE 377M MXF File Format Specifications
27  * SMPTE 379M MXF Generic Container
28  * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
29  * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
30  * SMPTE RP210: SMPTE Metadata Dictionary
31  * SMPTE RP224: Registry of SMPTE Universal Labels
32  */
33 
34 #include <inttypes.h>
35 #include <math.h>
36 #include <time.h>
37 
38 #include "libavutil/opt.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/timecode.h"
41 #include "libavutil/avassert.h"
42 #include "libavutil/pixdesc.h"
44 #include "libavcodec/bytestream.h"
45 #include "libavcodec/dnxhddata.h"
46 #include "libavcodec/h264.h"
47 #include "libavcodec/internal.h"
48 #include "audiointerleave.h"
49 #include "avformat.h"
50 #include "avio_internal.h"
51 #include "internal.h"
52 #include "mxf.h"
53 #include "config.h"
54 
57 
58 #define EDIT_UNITS_PER_BODY 250
59 #define KAG_SIZE 512
60 
61 typedef struct MXFLocalTagPair {
62  int local_tag;
65 
66 typedef struct MXFIndexEntry {
68  uint64_t offset;
69  unsigned slice_offset; ///< offset of audio slice
70  uint16_t temporal_ref;
72 
73 typedef struct MXFStreamContext {
76  int index; ///< index in mxf_essence_container_uls table
77  const UID *codec_ul;
78  int order; ///< interleaving order if dts are equal
79  int interlaced; ///< whether picture is interlaced
80  int field_dominance; ///< tff=1, bff=2
86  AVRational aspect_ratio; ///< display aspect ratio
87  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
90 
91 typedef struct MXFContainerEssenceEntry {
97 
98 static const struct {
99  enum AVCodecID id;
100  int index;
101 } mxf_essence_mappings[] = {
102  { AV_CODEC_ID_MPEG2VIDEO, 0 },
103  { AV_CODEC_ID_PCM_S24LE, 1 },
104  { AV_CODEC_ID_PCM_S16LE, 1 },
105  { AV_CODEC_ID_DVVIDEO, 15 },
106  { AV_CODEC_ID_DNXHD, 24 },
107  { AV_CODEC_ID_JPEG2000, 34 },
108  { AV_CODEC_ID_H264, 35 },
109  { AV_CODEC_ID_NONE }
110 };
111 
112 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
113 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
115 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
117 
119  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
120  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
121  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
123  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
124  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
125  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
127  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
128  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
129  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
131  // D-10 625/50 PAL 50mb/s
132  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
133  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
134  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
136  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
137  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
138  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
140  // D-10 525/60 NTSC 50mb/s
141  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
142  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
143  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 },
145  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },
146  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
147  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
149  // D-10 625/50 PAL 40mb/s
150  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
151  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
152  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 },
154  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },
155  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
156  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
158  // D-10 525/60 NTSC 40mb/s
159  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
160  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
161  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 },
163  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },
164  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
165  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
167  // D-10 625/50 PAL 30mb/s
168  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
169  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
170  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 },
172  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },
173  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
174  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
176  // D-10 525/60 NTSC 30mb/s
177  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
178  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
179  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 },
181  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },
182  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
183  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
185  // DV Unknown
186  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
187  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
188  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
190  // DV25 525/60
191  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
192  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
193  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
195  // DV25 625/50
196  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
197  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
198  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
200  // DV50 525/60
201  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
202  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
203  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
205  // DV50 625/50
206  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
207  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
208  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
210  // DV100 1080/60
211  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
212  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
213  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
215  // DV100 1080/50
216  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
217  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
218  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
220  // DV100 720/60
221  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
222  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
223  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
225  // DV100 720/50
226  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
227  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
228  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
230  // DNxHD 1080p 10bit high
231  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
232  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
233  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
235  // DNxHD 1080p 8bit medium
236  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
237  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
238  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
240  // DNxHD 1080p 8bit high
241  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
242  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
243  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
245  // DNxHD 1080i 10bit high
246  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
247  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
248  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
250  // DNxHD 1080i 8bit medium
251  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
252  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
253  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
255  // DNxHD 1080i 8bit high
256  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
257  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
258  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
260  // DNxHD 720p 10bit
261  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
262  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
263  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
265  // DNxHD 720p 8bit high
266  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
267  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
268  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
270  // DNxHD 720p 8bit medium
271  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
272  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
273  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
275  // DNxHD 720p 8bit low
276  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
277  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
278  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
280  // JPEG2000
281  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
282  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
283  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
285  // H.264
286  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
287  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
288  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
290  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
291  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
292  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
293  NULL },
294 };
295 
296 typedef struct MXFContext {
304  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
305  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
309  int last_key_index; ///< index of last key frame
310  uint64_t duration;
311  AVTimecode tc; ///< timecode context
313  int timecode_base; ///< rounded time code base (25 or 30)
314  int edit_unit_byte_count; ///< fixed edit unit byte count
315  uint64_t body_offset;
316  uint32_t instance_number;
317  uint8_t umid[16]; ///< unique material identifier
322 } MXFContext;
323 
324 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
325 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
326 
327 /**
328  * complete key for operation pattern, partitions, and primer pack
329  */
330 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
331 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
332 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
333 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
334 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
335 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
336 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
337 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
338 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
339 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
340 
341 /**
342  * partial key for header metadata
343  */
344 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
345 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
346 
347 /**
348  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
349  */
351  // preface set
352  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
353  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
354  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
355  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
356  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
357  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
358  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
359  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
360  // Identification
361  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
362  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
363  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
364  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
365  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
366  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
367  // Content Storage
368  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
369  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
370  // Essence Container Data
371  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
372  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
373  // Package
374  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
375  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
376  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
377  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
378  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
379  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
380  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
381  // Track
382  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
383  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
384  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
385  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
386  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
387  // Sequence
388  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
389  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
390  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
391  // Source Clip
392  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
393  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
394  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
395  // Timecode Component
396  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
397  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
398  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
399  // Tagged Value
400  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
401  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
402  // File Descriptor
403  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
404  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
405  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
406  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
407  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
408  // Generic Picture Essence Descriptor
409  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
410  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
411  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
412  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
413  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
414  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
415  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
416  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
417  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
418  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
419  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
420  // CDCI Picture Essence Descriptor
421  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
422  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
423  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
424  // Generic Sound Essence Descriptor
425  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
426  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
427  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
428  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
429  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
430  // Index Table Segment
431  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
432  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
433  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
434  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
435  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
436  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
437  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
438  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
439  // MPEG video Descriptor
440  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
441  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
442  // Wave Audio Essence Descriptor
443  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
444  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
445 };
446 
448 {
449  avio_write(pb, uuid_base, 12);
450  avio_wb16(pb, type);
451  avio_wb16(pb, value);
452 }
453 
455 {
456  MXFContext *mxf = s->priv_data;
457  avio_write(s->pb, umid_ul, 13);
458  avio_wb24(s->pb, mxf->instance_number);
459  avio_write(s->pb, mxf->umid, 15);
460  avio_w8(s->pb, type);
461 }
462 
463 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
464 {
465  avio_wb32(pb, ref_count);
466  avio_wb32(pb, 16);
467 }
468 
469 static int klv_ber_length(uint64_t len)
470 {
471  if (len < 128)
472  return 1;
473  else
474  return (av_log2(len) >> 3) + 2;
475 }
476 
477 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
478 {
479  // Determine the best BER size
480  int size;
481  if (len < 128) {
482  //short form
483  avio_w8(pb, len);
484  return 1;
485  }
486 
487  size = (av_log2(len) >> 3) + 1;
488 
489  // long form
490  avio_w8(pb, 0x80 + size);
491  while(size) {
492  size--;
493  avio_w8(pb, len >> 8 * size & 0xff);
494  }
495  return 0;
496 }
497 
499 {
500  avio_w8(pb, 0x80 + 3);
501  avio_wb24(pb, len);
502 }
503 
504 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
505 {
506  avio_w8(pb, 0x80 + 8);
507  avio_wb64(pb, len);
508 }
509 
510 /*
511  * Get essence container ul index
512  */
514 {
515  int i;
516  for (i = 0; mxf_essence_mappings[i].id; i++)
517  if (mxf_essence_mappings[i].id == id)
518  return mxf_essence_mappings[i].index;
519  return -1;
520 }
521 
523 {
524  AVIOContext *pb = s->pb;
525  int local_tag_number, i = 0;
526 
527  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
528 
529  avio_write(pb, primer_pack_key, 16);
530  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
531 
532  avio_wb32(pb, local_tag_number); // local_tag num
533  avio_wb32(pb, 18); // item size, always 18 according to the specs
534 
535  for (i = 0; i < local_tag_number; i++) {
536  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
537  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
538  }
539 }
540 
541 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
542 {
543  avio_wb16(pb, tag);
544  avio_wb16(pb, size);
545 }
546 
547 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
548 {
550  avio_wb24(pb, value);
551 }
552 
554 {
555  int i;
556 
557  for (i = 0; i < s->nb_streams; i++) {
558  AVStream *st = s->streams[i];
559  av_freep(&st->priv_data);
560  }
561 }
562 
564 {
566  while (uls->uid[0]) {
567  if (type == uls->id)
568  break;
569  uls++;
570  }
571  return uls;
572 }
573 
574 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
575 #define DESCRIPTOR_COUNT(essence_container_count) \
576  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
577 
579 {
580  MXFContext *c = s->priv_data;
581  AVIOContext *pb = s->pb;
582  int i;
583 
585  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
586  for (i = 0; i < c->essence_container_count; i++) {
587  MXFStreamContext *sc = s->streams[i]->priv_data;
588  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
589  }
590 
591  if (c->essence_container_count > 1)
592  avio_write(pb, multiple_desc_ul, 16);
593 }
594 
596 {
597  MXFContext *mxf = s->priv_data;
598  AVIOContext *pb = s->pb;
599 
600  mxf_write_metadata_key(pb, 0x012f00);
601  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
603 
604  // write preface set uid
605  mxf_write_local_tag(pb, 16, 0x3C0A);
606  mxf_write_uuid(pb, Preface, 0);
607  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
608 
609  // last modified date
610  mxf_write_local_tag(pb, 8, 0x3B02);
611  avio_wb64(pb, mxf->timestamp);
612 
613  // write version
614  mxf_write_local_tag(pb, 2, 0x3B05);
615  avio_wb16(pb, 258); // v1.2
616 
617  // write identification_refs
618  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
619  mxf_write_refs_count(pb, 1);
621 
622  // write content_storage_refs
623  mxf_write_local_tag(pb, 16, 0x3B03);
625 
626  // operational pattern
627  mxf_write_local_tag(pb, 16, 0x3B09);
628  if (s->oformat == &ff_mxf_opatom_muxer)
629  avio_write(pb, opatom_ul, 16);
630  else
631  avio_write(pb, op1a_ul, 16);
632 
633  // write essence_container_refs
634  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
636 
637  // write dm_scheme_refs
638  mxf_write_local_tag(pb, 8, 0x3B0B);
639  avio_wb64(pb, 0);
640 }
641 
642 /*
643  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
644  * from decoding the utf-8 string.
645  */
646 static uint64_t mxf_utf16len(const char *utf8_str)
647 {
648  const uint8_t *q = utf8_str;
649  uint64_t size = 0;
650  while (*q) {
651  uint32_t ch;
652  GET_UTF8(ch, *q++, goto invalid;)
653  if (ch < 0x10000)
654  size++;
655  else
656  size += 2;
657  continue;
658 invalid:
659  av_log(NULL, AV_LOG_ERROR, "Invaid UTF8 sequence in mxf_utf16len\n\n");
660  }
661  size += 1;
662  return size;
663 }
664 
665 /*
666  * Returns the calculated length a local tag containing an utf-8 string as utf-16
667  */
668 static int mxf_utf16_local_tag_length(const char *utf8_str)
669 {
670  uint64_t size;
671 
672  if (!utf8_str)
673  return 0;
674 
675  size = mxf_utf16len(utf8_str);
676  if (size >= UINT16_MAX/2) {
677  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
678  return 0;
679  }
680 
681  return 4 + size * 2;
682 }
683 
684 /*
685  * Write a local tag containing an utf-8 string as utf-16
686  */
687 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
688 {
689  uint64_t size = mxf_utf16len(value);
690 
691  if (size >= UINT16_MAX/2) {
692  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
693  return;
694  }
695 
696  mxf_write_local_tag(pb, size*2, tag);
697  avio_put_str16be(pb, value);
698 }
699 
701 {
702  MXFContext *mxf = s->priv_data;
703  AVIOContext *pb = s->pb;
704  const char *company = "FFmpeg";
705  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
706  const char *version;
707  int length;
708 
709  mxf_write_metadata_key(pb, 0x013000);
710  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
711 
712  version = s->flags & AVFMT_FLAG_BITEXACT ?
714  length = 72 + mxf_utf16_local_tag_length(company) +
715  mxf_utf16_local_tag_length(product) +
717  klv_encode_ber_length(pb, length);
718 
719  // write uid
720  mxf_write_local_tag(pb, 16, 0x3C0A);
722  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
723 
724  // write generation uid
725  mxf_write_local_tag(pb, 16, 0x3C09);
727  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
728  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
729  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
730 
731  // write product uid
732  mxf_write_local_tag(pb, 16, 0x3C05);
734 
735  // modification date
736  mxf_write_local_tag(pb, 8, 0x3C06);
737  avio_wb64(pb, mxf->timestamp);
738 }
739 
741 {
742  AVIOContext *pb = s->pb;
743 
744  mxf_write_metadata_key(pb, 0x011800);
745  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
746  klv_encode_ber_length(pb, 92);
747 
748  // write uid
749  mxf_write_local_tag(pb, 16, 0x3C0A);
751  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
752 
753  // write package reference
754  mxf_write_local_tag(pb, 16 * 2 + 8, 0x1901);
755  mxf_write_refs_count(pb, 2);
758 
759  // write essence container data
760  mxf_write_local_tag(pb, 8 + 16, 0x1902);
761  mxf_write_refs_count(pb, 1);
763 }
764 
766 {
767  MXFContext *mxf = s->priv_data;
768  AVIOContext *pb = s->pb;
769  MXFStreamContext *sc = st->priv_data;
770 
771  mxf_write_metadata_key(pb, 0x013b00);
772  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
773  klv_encode_ber_length(pb, 80);
774 
775  // write track uid
776  mxf_write_local_tag(pb, 16, 0x3C0A);
777  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, st->index);
778  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
779 
780  // write track id
781  mxf_write_local_tag(pb, 4, 0x4801);
782  avio_wb32(pb, st->index+2);
783 
784  // write track number
785  mxf_write_local_tag(pb, 4, 0x4804);
786  if (type == MaterialPackage)
787  avio_wb32(pb, 0); // track number of material package is 0
788  else
789  avio_write(pb, sc->track_essence_element_key + 12, 4);
790 
791  mxf_write_local_tag(pb, 8, 0x4B01);
792 
793  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer){
794  avio_wb32(pb, mxf->tc.rate.num);
795  avio_wb32(pb, mxf->tc.rate.den);
796  } else {
797  avio_wb32(pb, mxf->time_base.den);
798  avio_wb32(pb, mxf->time_base.num);
799  }
800 
801  // write origin
802  mxf_write_local_tag(pb, 8, 0x4B02);
803  avio_wb64(pb, 0);
804 
805  // write sequence refs
806  mxf_write_local_tag(pb, 16, 0x4803);
808 }
809 
810 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
811 
813 {
814  MXFContext *mxf = s->priv_data;
815  AVIOContext *pb = s->pb;
816 
817  // find data define uls
818  mxf_write_local_tag(pb, 16, 0x0201);
819  if (st == mxf->timecode_track)
821  else {
822  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codec->codec_type);
823  avio_write(pb, data_def_ul->uid, 16);
824  }
825 
826  // write duration
827  mxf_write_local_tag(pb, 8, 0x0202);
828 
829  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
830  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
831  } else {
832  avio_wb64(pb, mxf->duration);
833  }
834 }
835 
837 {
838  MXFContext *mxf = s->priv_data;
839  AVIOContext *pb = s->pb;
840  enum MXFMetadataSetType component;
841 
842  mxf_write_metadata_key(pb, 0x010f00);
843  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
844  klv_encode_ber_length(pb, 80);
845 
846  mxf_write_local_tag(pb, 16, 0x3C0A);
848 
849  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
851 
852  // write structural component
853  mxf_write_local_tag(pb, 16 + 8, 0x1001);
854  mxf_write_refs_count(pb, 1);
855  if (st == mxf->timecode_track)
856  component = TimecodeComponent;
857  else
858  component = SourceClip;
859  if (type == SourcePackage)
860  component += TypeBottom;
861  mxf_write_uuid(pb, component, st->index);
862 }
863 
865 {
866  MXFContext *mxf = s->priv_data;
867  AVIOContext *pb = s->pb;
868 
869  mxf_write_metadata_key(pb, 0x011400);
870  klv_encode_ber_length(pb, 75);
871 
872  // UID
873  mxf_write_local_tag(pb, 16, 0x3C0A);
876 
878 
879  // Start Time Code
880  mxf_write_local_tag(pb, 8, 0x1501);
881  avio_wb64(pb, mxf->tc.start);
882 
883  // Rounded Time Code Base
884  mxf_write_local_tag(pb, 2, 0x1502);
885  avio_wb16(pb, mxf->timecode_base);
886 
887  // Drop Frame
888  mxf_write_local_tag(pb, 1, 0x1503);
889  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
890 }
891 
893 {
894  AVIOContext *pb = s->pb;
895  int i;
896 
897  mxf_write_metadata_key(pb, 0x011100);
898  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
899  klv_encode_ber_length(pb, 108);
900 
901  // write uid
902  mxf_write_local_tag(pb, 16, 0x3C0A);
904 
905  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
907 
908  // write start_position
909  mxf_write_local_tag(pb, 8, 0x1201);
910  avio_wb64(pb, 0);
911 
912  // write source package uid, end of the reference
913  mxf_write_local_tag(pb, 32, 0x1101);
914  if (type == SourcePackage) {
915  for (i = 0; i < 4; i++)
916  avio_wb64(pb, 0);
917  } else
918  mxf_write_umid(s, 1);
919 
920  // write source track id
921  mxf_write_local_tag(pb, 4, 0x1102);
922  if (type == SourcePackage)
923  avio_wb32(pb, 0);
924  else
925  avio_wb32(pb, st->index+2);
926 }
927 
929 {
930  MXFContext *mxf = s->priv_data;
931  AVIOContext *pb = s->pb;
932  const uint8_t *ul;
933  int i;
934 
935  mxf_write_metadata_key(pb, 0x014400);
936  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
937  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
938 
939  mxf_write_local_tag(pb, 16, 0x3C0A);
941  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
942 
943  // write sample rate
944  mxf_write_local_tag(pb, 8, 0x3001);
945  avio_wb32(pb, mxf->time_base.den);
946  avio_wb32(pb, mxf->time_base.num);
947 
948  // write essence container ul
949  mxf_write_local_tag(pb, 16, 0x3004);
950  if (mxf->essence_container_count > 1)
951  ul = multiple_desc_ul;
952  else {
953  MXFStreamContext *sc = s->streams[0]->priv_data;
954  ul = mxf_essence_container_uls[sc->index].container_ul;
955  }
956  avio_write(pb, ul, 16);
957 
958  // write sub descriptor refs
959  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
961  for (i = 0; i < s->nb_streams; i++)
963 }
964 
965 static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
966 {
967  MXFContext *mxf = s->priv_data;
968  MXFStreamContext *sc = st->priv_data;
969  AVIOContext *pb = s->pb;
970 
971  avio_write(pb, key, 16);
972  klv_encode_ber4_length(pb, size+20+8+12+20);
973 
974  mxf_write_local_tag(pb, 16, 0x3C0A);
976 
977  mxf_write_local_tag(pb, 4, 0x3006);
978  avio_wb32(pb, st->index+2);
979 
980  mxf_write_local_tag(pb, 8, 0x3001);
981  avio_wb32(pb, mxf->time_base.den);
982  avio_wb32(pb, mxf->time_base.num);
983 
984  mxf_write_local_tag(pb, 16, 0x3004);
985  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
986 }
987 
988 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
989 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
990 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
991 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
992 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
993 
994 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
995 {
996  MXFStreamContext *sc = st->priv_data;
997  AVIOContext *pb = s->pb;
998  int stored_height = (st->codec->height+15)/16*16;
999  int display_height;
1000  int f1, f2;
1001  unsigned desc_size = size+8+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20+5;
1002  if (sc->interlaced && sc->field_dominance)
1003  desc_size += 5;
1004  if (sc->signal_standard)
1005  desc_size += 5;
1006 
1007  mxf_write_generic_desc(s, st, key, desc_size);
1008 
1009  mxf_write_local_tag(pb, 4, 0x3203);
1010  avio_wb32(pb, st->codec->width);
1011 
1012  mxf_write_local_tag(pb, 4, 0x3202);
1013  avio_wb32(pb, stored_height>>sc->interlaced);
1014 
1015  mxf_write_local_tag(pb, 4, 0x3209);
1016  avio_wb32(pb, st->codec->width);
1017 
1018  if (st->codec->height == 608) // PAL + VBI
1019  display_height = 576;
1020  else if (st->codec->height == 512) // NTSC + VBI
1021  display_height = 486;
1022  else
1023  display_height = st->codec->height;
1024 
1025  mxf_write_local_tag(pb, 4, 0x3208);
1026  avio_wb32(pb, display_height>>sc->interlaced);
1027 
1028  // presentation Y offset
1029  mxf_write_local_tag(pb, 4, 0x320B);
1030  avio_wb32(pb, (st->codec->height - display_height)>>sc->interlaced);
1031 
1032  // component depth
1033  mxf_write_local_tag(pb, 4, 0x3301);
1034  avio_wb32(pb, sc->component_depth);
1035 
1036  // horizontal subsampling
1037  mxf_write_local_tag(pb, 4, 0x3302);
1038  avio_wb32(pb, sc->h_chroma_sub_sample);
1039 
1040  // color siting
1041  mxf_write_local_tag(pb, 1, 0x3303);
1042  avio_w8(pb, sc->color_siting);
1043 
1044  if (sc->signal_standard) {
1045  mxf_write_local_tag(pb, 1, 0x3215);
1046  avio_w8(pb, sc->signal_standard);
1047  }
1048 
1049  // frame layout
1050  mxf_write_local_tag(pb, 1, 0x320C);
1051  avio_w8(pb, sc->interlaced);
1052 
1053  // video line map
1054  switch (st->codec->height) {
1055  case 576: f1 = 23; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1056  case 608: f1 = 7; f2 = 320; break;
1057  case 480: f1 = 20; f2 = st->codec->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1058  case 512: f1 = 7; f2 = 270; break;
1059  case 720: f1 = 26; f2 = 0; break; // progressive
1060  case 1080: f1 = 21; f2 = 584; break;
1061  default: f1 = 0; f2 = 0; break;
1062  }
1063 
1064  if (!sc->interlaced) {
1065  f2 = 0;
1066  f1 *= 2;
1067  }
1068 
1069  mxf_write_local_tag(pb, 12+sc->interlaced*4, 0x320D);
1070  avio_wb32(pb, sc->interlaced ? 2 : 1);
1071  avio_wb32(pb, 4);
1072  avio_wb32(pb, f1);
1073  if (sc->interlaced)
1074  avio_wb32(pb, f2);
1075 
1076  mxf_write_local_tag(pb, 8, 0x320E);
1077  avio_wb32(pb, sc->aspect_ratio.num);
1078  avio_wb32(pb, sc->aspect_ratio.den);
1079 
1080  mxf_write_local_tag(pb, 16, 0x3201);
1081  avio_write(pb, *sc->codec_ul, 16);
1082 
1083  if (sc->interlaced && sc->field_dominance) {
1084  mxf_write_local_tag(pb, 1, 0x3212);
1085  avio_w8(pb, sc->field_dominance);
1086  }
1087 
1088 }
1089 
1091 {
1093 }
1094 
1096 {
1097  AVIOContext *pb = s->pb;
1098  MXFStreamContext *sc = st->priv_data;
1099  int profile_and_level = (st->codec->profile<<4) | st->codec->level;
1100 
1101  if (st->codec->codec_id != AV_CODEC_ID_H264) {
1103 
1104  // bit rate
1105  mxf_write_local_tag(pb, 4, 0x8000);
1106  avio_wb32(pb, sc->video_bit_rate);
1107 
1108  // profile and level
1109  mxf_write_local_tag(pb, 1, 0x8007);
1110  if (!st->codec->profile)
1111  profile_and_level |= 0x80; // escape bit
1112  avio_w8(pb, profile_and_level);
1113  } else {
1115  }
1116 }
1117 
1118 static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1119 {
1120  AVIOContext *pb = s->pb;
1121  MXFContext *mxf = s->priv_data;
1122  int show_warnings = !mxf->footer_partition_offset;
1123  int duration_size = 0;
1124 
1125  if (s->oformat == &ff_mxf_opatom_muxer)
1126  duration_size = 12;
1127 
1128  mxf_write_generic_desc(s, st, key, size+duration_size+5+12+8+8);
1129 
1130  if (duration_size > 0){
1131  mxf_write_local_tag(pb, 8, 0x3002);
1132  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1133  }
1134 
1135  // audio locked
1136  mxf_write_local_tag(pb, 1, 0x3D02);
1137  avio_w8(pb, 1);
1138 
1139  // write audio sampling rate
1140  mxf_write_local_tag(pb, 8, 0x3D03);
1141  avio_wb32(pb, st->codec->sample_rate);
1142  avio_wb32(pb, 1);
1143 
1144  mxf_write_local_tag(pb, 4, 0x3D07);
1145  if (mxf->channel_count == -1) {
1146  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codec->channels != 4) && (st->codec->channels != 8))
1147  av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1148  avio_wb32(pb, st->codec->channels);
1149  } else if (s->oformat == &ff_mxf_d10_muxer) {
1150  if (show_warnings && (mxf->channel_count < st->codec->channels))
1151  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1152  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1153  av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1154  avio_wb32(pb, mxf->channel_count);
1155  } else {
1156  if (show_warnings && mxf->channel_count != -1 && s->oformat != &ff_mxf_opatom_muxer)
1157  av_log(s, AV_LOG_ERROR, "-d10_channelcount requires MXF D-10 and will be ignored\n");
1158  avio_wb32(pb, st->codec->channels);
1159  }
1160 
1161  mxf_write_local_tag(pb, 4, 0x3D01);
1163 }
1164 
1165 static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
1166 {
1167  AVIOContext *pb = s->pb;
1168 
1169  mxf_write_generic_sound_common(s, st, key, size+6+8);
1170 
1171  mxf_write_local_tag(pb, 2, 0x3D0A);
1172  avio_wb16(pb, st->codec->block_align);
1173 
1174  // avg bytes per sec
1175  mxf_write_local_tag(pb, 4, 0x3D09);
1176  avio_wb32(pb, st->codec->block_align*st->codec->sample_rate);
1177 }
1178 
1180 {
1182 }
1183 
1185 {
1187 }
1188 
1190 {
1192 }
1193 
1194 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1195 
1196 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1197 {
1198  MXFContext *mxf = s->priv_data;
1199  AVIOContext *pb = s->pb;
1200  int name_size = mxf_utf16_local_tag_length(name);
1201  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1202 
1203  if (!name_size || indirect_value_size == 13)
1204  return 1;
1205 
1206  mxf_write_metadata_key(pb, 0x013f00);
1207  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1208 
1209  // write instance UID
1210  mxf_write_local_tag(pb, 16, 0x3C0A);
1212 
1213  // write name
1214  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1215 
1216  // write indirect value
1217  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1219  avio_put_str16le(pb, value);
1220 
1221  mxf->tagged_value_count++;
1222  return 0;
1223 }
1224 
1226 {
1227  MXFContext *mxf = s->priv_data;
1228  AVDictionaryEntry *t = NULL;
1229  int count = 0;
1230 
1231  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1232  if (mxf->tagged_value_count >= UINT16_MAX) {
1233  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1234  return count;
1235  }
1236 
1237  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1238  count++;
1239  }
1240  return count;
1241 }
1242 
1243 static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
1244 {
1245  MXFContext *mxf = s->priv_data;
1246  AVIOContext *pb = s->pb;
1247  int i, track_count = s->nb_streams+1;
1248  int name_size = mxf_utf16_local_tag_length(package_name);
1249  int user_comment_count = 0;
1250 
1251  if (type == MaterialPackage) {
1252  user_comment_count = mxf_write_user_comments(s, s->metadata);
1253  mxf_write_metadata_key(pb, 0x013600);
1254  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1255  klv_encode_ber_length(pb, 104 + name_size + (16*track_count) + (16*user_comment_count));
1256  } else {
1257  mxf_write_metadata_key(pb, 0x013700);
1258  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1259  klv_encode_ber_length(pb, 124 + name_size + (16*track_count)); // 20 bytes length for descriptor reference
1260  }
1261 
1262  // write uid
1263  mxf_write_local_tag(pb, 16, 0x3C0A);
1264  mxf_write_uuid(pb, type, 0);
1265  av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
1266  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1267 
1268  // write package umid
1269  mxf_write_local_tag(pb, 32, 0x4401);
1270  mxf_write_umid(s, type == SourcePackage);
1271  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1272 
1273  // package name
1274  if (name_size)
1275  mxf_write_local_tag_utf16(pb, 0x4402, package_name);
1276 
1277  // package creation date
1278  mxf_write_local_tag(pb, 8, 0x4405);
1279  avio_wb64(pb, mxf->timestamp);
1280 
1281  // package modified date
1282  mxf_write_local_tag(pb, 8, 0x4404);
1283  avio_wb64(pb, mxf->timestamp);
1284 
1285  // write track refs
1286  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1287  mxf_write_refs_count(pb, track_count);
1288  mxf_write_uuid(pb, type == MaterialPackage ? Track :
1289  Track + TypeBottom, -1); // timecode track
1290  for (i = 0; i < s->nb_streams; i++)
1291  mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
1292 
1293  // write user comment refs
1294  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1295  mxf_write_refs_count(pb, user_comment_count);
1296  for (i = 0; i < user_comment_count; i++)
1297  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1298 
1299  // write multiple descriptor reference
1300  if (type == SourcePackage) {
1301  mxf_write_local_tag(pb, 16, 0x4701);
1302  if (s->nb_streams > 1) {
1305  } else
1306  mxf_write_uuid(pb, SubDescriptor, 0);
1307  }
1308 
1309  // write timecode track
1310  mxf_write_track(s, mxf->timecode_track, type);
1311  mxf_write_sequence(s, mxf->timecode_track, type);
1313 
1314  for (i = 0; i < s->nb_streams; i++) {
1315  AVStream *st = s->streams[i];
1316  mxf_write_track(s, st, type);
1317  mxf_write_sequence(s, st, type);
1318  mxf_write_structural_component(s, st, type);
1319 
1320  if (type == SourcePackage) {
1321  MXFStreamContext *sc = st->priv_data;
1322  mxf_essence_container_uls[sc->index].write_desc(s, st);
1323  }
1324  }
1325 }
1326 
1328 {
1329  AVIOContext *pb = s->pb;
1330 
1331  mxf_write_metadata_key(pb, 0x012300);
1332  klv_encode_ber_length(pb, 72);
1333 
1334  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1336 
1337  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1338  mxf_write_umid(s, 1);
1339 
1340  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1341  avio_wb32(pb, 1);
1342 
1343  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1344  avio_wb32(pb, 2);
1345 
1346  return 0;
1347 }
1348 
1350 {
1351  const char *material_package_name = NULL;
1352  const char *file_package_name = NULL;
1353  AVDictionaryEntry *entry = NULL;
1354  AVStream *st = NULL;
1355  int i;
1356 
1357  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1358  material_package_name = entry->value;
1359 
1360  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1361  file_package_name = entry->value;
1362  } else {
1363  /* check if any of the streams contain a file_package_name */
1364  for (i = 0; i < s->nb_streams; i++) {
1365  st = s->streams[i];
1366  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1367  file_package_name = entry->value;
1368  break;
1369  }
1370  }
1371  }
1372 
1373  mxf_write_preface(s);
1376  mxf_write_package(s, MaterialPackage, material_package_name);
1377  mxf_write_package(s, SourcePackage, file_package_name);
1379  return 0;
1380 }
1381 
1382 static unsigned klv_fill_size(uint64_t size)
1383 {
1384  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1385  if (pad < 20) // smallest fill item possible
1386  return pad + KAG_SIZE;
1387  else
1388  return pad & (KAG_SIZE-1);
1389 }
1390 
1392 {
1393  MXFContext *mxf = s->priv_data;
1394  AVIOContext *pb = s->pb;
1395  int i, j, temporal_reordering = 0;
1396  int key_index = mxf->last_key_index;
1397 
1398  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1399 
1400  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1401  return;
1402 
1404 
1405  if (mxf->edit_unit_byte_count) {
1406  klv_encode_ber_length(pb, 80);
1407  } else {
1408  klv_encode_ber_length(pb, 85 + 12+(s->nb_streams+1LL)*6 +
1409  12+mxf->edit_units_count*(11+mxf->slice_count*4LL));
1410  }
1411 
1412  // instance id
1413  mxf_write_local_tag(pb, 16, 0x3C0A);
1415 
1416  // index edit rate
1417  mxf_write_local_tag(pb, 8, 0x3F0B);
1418  avio_wb32(pb, mxf->time_base.den);
1419  avio_wb32(pb, mxf->time_base.num);
1420 
1421  // index start position
1422  mxf_write_local_tag(pb, 8, 0x3F0C);
1424 
1425  // index duration
1426  mxf_write_local_tag(pb, 8, 0x3F0D);
1427  if (mxf->edit_unit_byte_count)
1428  avio_wb64(pb, 0); // index table covers whole container
1429  else
1430  avio_wb64(pb, mxf->edit_units_count);
1431 
1432  // edit unit byte count
1433  mxf_write_local_tag(pb, 4, 0x3F05);
1434  avio_wb32(pb, mxf->edit_unit_byte_count);
1435 
1436  // index sid
1437  mxf_write_local_tag(pb, 4, 0x3F06);
1438  avio_wb32(pb, 2);
1439 
1440  // body sid
1441  mxf_write_local_tag(pb, 4, 0x3F07);
1442  avio_wb32(pb, 1);
1443 
1444  if (!mxf->edit_unit_byte_count) {
1445  // real slice count - 1
1446  mxf_write_local_tag(pb, 1, 0x3F08);
1447  avio_w8(pb, mxf->slice_count);
1448 
1449  // delta entry array
1450  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1451  avio_wb32(pb, s->nb_streams+1); // num of entries
1452  avio_wb32(pb, 6); // size of one entry
1453  // write system item delta entry
1454  avio_w8(pb, 0);
1455  avio_w8(pb, 0); // slice entry
1456  avio_wb32(pb, 0); // element delta
1457  for (i = 0; i < s->nb_streams; i++) {
1458  AVStream *st = s->streams[i];
1459  MXFStreamContext *sc = st->priv_data;
1460  avio_w8(pb, sc->temporal_reordering);
1461  if (sc->temporal_reordering)
1462  temporal_reordering = 1;
1463  if (i == 0) { // video track
1464  avio_w8(pb, 0); // slice number
1465  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1466  } else { // audio track
1467  unsigned audio_frame_size = sc->aic.samples[0]*sc->aic.sample_size;
1468  audio_frame_size += klv_fill_size(audio_frame_size);
1469  avio_w8(pb, 1);
1470  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1471  }
1472  }
1473 
1474  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*(11+mxf->slice_count*4), 0x3F0A);
1475  avio_wb32(pb, mxf->edit_units_count); // num of entries
1476  avio_wb32(pb, 11+mxf->slice_count*4); // size of one entry
1477 
1478  for (i = 0; i < mxf->edit_units_count; i++) {
1479  int temporal_offset = 0;
1480 
1481  if (!(mxf->index_entries[i].flags & 0x33)) { // I frame
1482  mxf->last_key_index = key_index;
1483  key_index = i;
1484  }
1485 
1486  if (temporal_reordering) {
1487  int pic_num_in_gop = i - key_index;
1488  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1489  for (j = key_index; j < mxf->edit_units_count; j++) {
1490  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1491  break;
1492  }
1493  if (j == mxf->edit_units_count)
1494  av_log(s, AV_LOG_WARNING, "missing frames\n");
1495  temporal_offset = j - key_index - pic_num_in_gop;
1496  }
1497  }
1498  avio_w8(pb, temporal_offset);
1499 
1500  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1501  avio_w8(pb, mxf->last_key_index - i);
1502  } else {
1503  avio_w8(pb, key_index - i); // key frame offset
1504  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1505  mxf->last_key_index = key_index;
1506  }
1507 
1508  if (!(mxf->index_entries[i].flags & 0x33) && // I frame
1509  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1510  mxf->index_entries[i].flags |= 0x80; // random access
1511  avio_w8(pb, mxf->index_entries[i].flags);
1512  // stream offset
1513  avio_wb64(pb, mxf->index_entries[i].offset);
1514  if (s->nb_streams > 1)
1515  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1516  }
1517 
1518  mxf->last_key_index = key_index - mxf->edit_units_count;
1520  mxf->edit_units_count = 0;
1521  }
1522 }
1523 
1525 {
1526  unsigned pad = klv_fill_size(avio_tell(s->pb));
1527  if (pad) {
1528  avio_write(s->pb, klv_fill_key, 16);
1529  pad -= 16 + 4;
1530  klv_encode_ber4_length(s->pb, pad);
1531  ffio_fill(s->pb, 0, pad);
1532  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1533  }
1534 }
1535 
1536 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1537  int indexsid,
1538  const uint8_t *key, int write_metadata)
1539 {
1540  MXFContext *mxf = s->priv_data;
1541  AVIOContext *pb = s->pb;
1542  int64_t header_byte_count_offset;
1543  unsigned index_byte_count = 0;
1544  uint64_t partition_offset = avio_tell(pb);
1545  int err;
1546 
1547  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1548  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1549  12+mxf->edit_units_count*(11+mxf->slice_count*4);
1550  else if (mxf->edit_unit_byte_count && indexsid)
1551  index_byte_count = 80;
1552 
1553  if (index_byte_count) {
1554  // add encoded ber length
1555  index_byte_count += 16 + klv_ber_length(index_byte_count);
1556  index_byte_count += klv_fill_size(index_byte_count);
1557  }
1558 
1559  if (key && !memcmp(key, body_partition_key, 16)) {
1561  sizeof(*mxf->body_partition_offset))) < 0) {
1562  mxf->body_partitions_count = 0;
1563  return err;
1564  }
1565  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1566  }
1567 
1568  // write klv
1569  if (key)
1570  avio_write(pb, key, 16);
1571  else
1572  avio_write(pb, body_partition_key, 16);
1573 
1575 
1576  // write partition value
1577  avio_wb16(pb, 1); // majorVersion
1578  avio_wb16(pb, 2); // minorVersion
1579  avio_wb32(pb, KAG_SIZE); // KAGSize
1580 
1581  avio_wb64(pb, partition_offset); // ThisPartition
1582 
1583  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1584  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1585  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1586  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1587  else
1588  avio_wb64(pb, 0);
1589 
1590  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1591 
1592  // set offset
1593  header_byte_count_offset = avio_tell(pb);
1594  avio_wb64(pb, 0); // headerByteCount, update later
1595 
1596  // indexTable
1597  avio_wb64(pb, index_byte_count); // indexByteCount
1598  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1599 
1600  // BodyOffset
1601  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1602  avio_wb64(pb, mxf->body_offset);
1603  else
1604  avio_wb64(pb, 0);
1605 
1606  avio_wb32(pb, bodysid); // bodySID
1607 
1608  // operational pattern
1609  if (s->oformat == &ff_mxf_opatom_muxer)
1610  avio_write(pb, opatom_ul, 16);
1611  else
1612  avio_write(pb, op1a_ul, 16);
1613 
1614  // essence container
1616 
1617  if (write_metadata) {
1618  // mark the start of the headermetadata and calculate metadata size
1619  int64_t pos, start;
1620  unsigned header_byte_count;
1621 
1622  mxf_write_klv_fill(s);
1623  start = avio_tell(s->pb);
1626  pos = avio_tell(s->pb);
1627  header_byte_count = pos - start + klv_fill_size(pos);
1628 
1629  // update header_byte_count
1630  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1631  avio_wb64(pb, header_byte_count);
1632  avio_seek(pb, pos, SEEK_SET);
1633  }
1634 
1635  if(key)
1636  avio_flush(pb);
1637 
1638  return 0;
1639 }
1640 
1642 AVPacket *pkt)
1643 {
1644  MXFContext *mxf = s->priv_data;
1645  MXFStreamContext *sc = st->priv_data;
1646  int i, cid;
1647  uint8_t* header_cid;
1648  int frame_size = 0;
1649 
1650  if (mxf->header_written)
1651  return 1;
1652 
1653  if (pkt->size < 43)
1654  return -1;
1655 
1656  header_cid = pkt->data + 0x28;
1657  cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
1658 
1659  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) < 0)
1660  return -1;
1661  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
1662  return AVERROR_INVALIDDATA;
1663 
1664  switch (cid) {
1665  case 1235:
1666  sc->index = 24;
1667  sc->component_depth = 10;
1668  break;
1669  case 1237:
1670  sc->index = 25;
1671  break;
1672  case 1238:
1673  sc->index = 26;
1674  break;
1675  case 1241:
1676  sc->index = 27;
1677  sc->component_depth = 10;
1678  break;
1679  case 1242:
1680  sc->index = 28;
1681  break;
1682  case 1243:
1683  sc->index = 29;
1684  break;
1685  case 1250:
1686  sc->index = 30;
1687  sc->component_depth = 10;
1688  break;
1689  case 1251:
1690  sc->index = 31;
1691  break;
1692  case 1252:
1693  sc->index = 32;
1694  break;
1695  case 1253:
1696  sc->index = 33;
1697  break;
1698  default:
1699  return -1;
1700  }
1701 
1702  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1703  sc->aspect_ratio = (AVRational){ 16, 9 };
1704 
1705  if(s->oformat == &ff_mxf_opatom_muxer){
1707  return 1;
1708  }
1709 
1711  for (i = 0; i < s->nb_streams; i++) {
1712  AVStream *st = s->streams[i];
1713  MXFStreamContext *sc = st->priv_data;
1714  if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1715  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1717  } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1718  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1720  }
1721  }
1722 
1723  return 1;
1724 }
1725 
1727 {
1728  MXFContext *mxf = s->priv_data;
1729  MXFStreamContext *sc = st->priv_data;
1730  uint8_t *vs_pack, *vsc_pack;
1731  int i, ul_index, frame_size, stype, pal;
1732 
1733  if (mxf->header_written)
1734  return 1;
1735 
1736  // Check for minimal frame size
1737  if (pkt->size < 120000)
1738  return -1;
1739 
1740  vs_pack = pkt->data + 80*5 + 48;
1741  vsc_pack = pkt->data + 80*5 + 53;
1742  stype = vs_pack[3] & 0x1f;
1743  pal = (vs_pack[3] >> 5) & 0x1;
1744 
1745  if ((vs_pack[2] & 0x07) == 0x02)
1746  sc->aspect_ratio = (AVRational){ 16, 9 };
1747  else
1748  sc->aspect_ratio = (AVRational){ 4, 3 };
1749 
1750  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
1751  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
1752  // and set field dominance accordingly
1753  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
1754 
1755  switch (stype) {
1756  case 0x18: // DV100 720p
1757  ul_index = 6 + pal;
1758  frame_size = pal ? 288000 : 240000;
1759  if (sc->interlaced) {
1760  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
1761  sc->interlaced = 0;
1762  }
1763  break;
1764  case 0x14: // DV100 1080i
1765  ul_index = 4 + pal;
1766  frame_size = pal ? 576000 : 480000;
1767  break;
1768  case 0x04: // DV50
1769  ul_index = 2 + pal;
1770  frame_size = pal ? 288000 : 240000;
1771  break;
1772  default: // DV25
1773  ul_index = 0 + pal;
1774  frame_size = pal ? 144000 : 120000;
1775  }
1776 
1777  sc->index = ul_index + 16;
1778  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
1779 
1780  if(s->oformat == &ff_mxf_opatom_muxer) {
1782  return 1;
1783  }
1784 
1786  for (i = 0; i < s->nb_streams; i++) {
1787  AVStream *st = s->streams[i];
1788  MXFStreamContext *sc = st->priv_data;
1789  if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1790  mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
1792  } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1793  mxf->edit_unit_byte_count += 16 + 4 + frame_size;
1795  }
1796  }
1797 
1798  return 1;
1799 }
1800 
1801 static const struct {
1804  int profile;
1806 } mxf_h264_codec_uls[] = {
1807  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0 }, // AVC High 10 Intra
1808  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 0, 1 }, // AVC Intra 50 1080i60
1809  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 0, 1 }, // AVC Intra 50 1080i50
1810  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 0, 0 }, // AVC Intra 50 1080p30
1811  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 0, 0 }, // AVC Intra 50 1080p25
1812  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 0, 0 }, // AVC Intra 50 720p60
1813  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 0, 0 }, // AVC Intra 50 720p50
1814  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0 }, // AVC High 422 Intra
1815  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 0, 1 }, // AVC Intra 100 1080i60
1816  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 0, 1 }, // AVC Intra 100 1080i50
1817  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 0, 0 }, // AVC Intra 100 1080p30
1818  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 0, 0 }, // AVC Intra 100 1080p25
1819  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 0, 0 }, // AVC Intra 100 720p60
1820  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 0, 0 }, // AVC Intra 100 720p50
1821 };
1822 
1824  AVPacket *pkt, MXFIndexEntry *e)
1825 {
1826  MXFContext *mxf = s->priv_data;
1827  MXFStreamContext *sc = st->priv_data;
1828  static const int mxf_h264_num_codec_uls = sizeof(mxf_h264_codec_uls) / sizeof(mxf_h264_codec_uls[0]);
1829  const uint8_t *buf = pkt->data;
1830  const uint8_t *buf_end = pkt->data + pkt->size;
1831  uint32_t state = -1;
1832  int extra_size = 512; // support AVC Intra files without SPS/PPS header
1833  int i, frame_size;
1834  uint8_t uid_found;
1835 
1836  if (pkt->size > extra_size)
1837  buf_end -= pkt->size - extra_size; // no need to parse beyond SPS/PPS header
1838 
1839  for (;;) {
1840  buf = avpriv_find_start_code(buf, buf_end, &state);
1841  if (buf >= buf_end)
1842  break;
1843  --buf;
1844  switch (state & 0x1f) {
1845  case NAL_SPS:
1846  st->codec->profile = buf[1];
1847  e->flags |= 0x40;
1848  break;
1849  case NAL_PPS:
1850  if (e->flags & 0x40) { // sequence header present
1851  e->flags |= 0x80; // random access
1852  extra_size = 0;
1853  buf = buf_end;
1854  }
1855  break;
1856  default:
1857  break;
1858  }
1859  }
1860 
1861  if (mxf->header_written)
1862  return 1;
1863 
1864  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
1865  sc->component_depth = 10; // AVC Intra is always 10 Bit
1866  sc->interlaced = st->codec->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
1867  if (sc->interlaced)
1868  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
1869 
1870  uid_found = 0;
1871  frame_size = pkt->size + extra_size;
1872  for (i = 0; i < mxf_h264_num_codec_uls; i++) {
1873  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
1874  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1875  return 1;
1876  } else if (st->codec->profile == mxf_h264_codec_uls[i].profile) {
1877  sc->codec_ul = &mxf_h264_codec_uls[i].uid;
1878  uid_found = 1;
1879  }
1880  }
1881 
1882  if (!uid_found) {
1883  av_log(s, AV_LOG_ERROR, "AVC Intra 50/100 supported only\n");
1884  return 0;
1885  }
1886 
1887  return 1;
1888 }
1889 
1890 static const UID mxf_mpeg2_codec_uls[] = {
1891  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
1892  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
1893  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
1894  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
1895  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
1896  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
1897  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
1898  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
1899  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
1900  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
1901 };
1902 
1904 {
1905  int long_gop = avctx->gop_size > 1 || avctx->has_b_frames;
1906 
1907  if (avctx->profile == 4) { // Main
1908  if (avctx->level == 8) // Main
1909  return &mxf_mpeg2_codec_uls[0+long_gop];
1910  else if (avctx->level == 4) // High
1911  return &mxf_mpeg2_codec_uls[4+long_gop];
1912  else if (avctx->level == 6) // High 14
1913  return &mxf_mpeg2_codec_uls[8+long_gop];
1914  } else if (avctx->profile == 0) { // 422
1915  if (avctx->level == 5) // Main
1916  return &mxf_mpeg2_codec_uls[2+long_gop];
1917  else if (avctx->level == 2) // High
1918  return &mxf_mpeg2_codec_uls[6+long_gop];
1919  }
1920  return NULL;
1921 }
1922 
1924  AVPacket *pkt, MXFIndexEntry *e)
1925 {
1926  MXFStreamContext *sc = st->priv_data;
1927  uint32_t c = -1;
1928  int i;
1929 
1930  for(i = 0; i < pkt->size - 4; i++) {
1931  c = (c<<8) + pkt->data[i];
1932  if (c == 0x1b5) {
1933  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
1934  st->codec->profile = pkt->data[i+1] & 0x07;
1935  st->codec->level = pkt->data[i+2] >> 4;
1936  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
1937  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
1938  if (sc->interlaced)
1939  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
1940  break;
1941  }
1942  } else if (c == 0x1b8) { // gop
1943  if (pkt->data[i+4]>>6 & 0x01) { // closed
1944  sc->closed_gop = 1;
1945  if (e->flags & 0x40) // sequence header present
1946  e->flags |= 0x80; // random access
1947  }
1948  } else if (c == 0x1b3) { // seq
1949  e->flags |= 0x40;
1950  switch ((pkt->data[i+4]>>4) & 0xf) {
1951  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
1952  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
1953  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
1954  default:
1956  st->codec->width, st->codec->height, 1024*1024);
1957  }
1958  } else if (c == 0x100) { // pic
1959  int pict_type = (pkt->data[i+2]>>3) & 0x07;
1960  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1961  if (pict_type == 2) { // P frame
1962  e->flags |= 0x22;
1963  sc->closed_gop = 0; // reset closed gop, don't matter anymore
1964  } else if (pict_type == 3) { // B frame
1965  if (sc->closed_gop)
1966  e->flags |= 0x13; // only backward prediction
1967  else
1968  e->flags |= 0x33;
1969  sc->temporal_reordering = -1;
1970  } else if (!pict_type) {
1971  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
1972  return 0;
1973  }
1974  }
1975  }
1976  if (s->oformat != &ff_mxf_d10_muxer)
1978  return !!sc->codec_ul;
1979 }
1980 
1981 static uint64_t mxf_parse_timestamp(time_t timestamp)
1982 {
1983  struct tm tmbuf;
1984  struct tm *time = gmtime_r(&timestamp, &tmbuf);
1985  if (!time)
1986  return 0;
1987  return (uint64_t)(time->tm_year+1900) << 48 |
1988  (uint64_t)(time->tm_mon+1) << 40 |
1989  (uint64_t) time->tm_mday << 32 |
1990  time->tm_hour << 24 |
1991  time->tm_min << 16 |
1992  time->tm_sec << 8;
1993 }
1994 
1996 {
1997  MXFContext *mxf = s->priv_data;
1998  uint32_t seed = av_get_random_seed();
1999  uint64_t umid = seed + 0x5294713400000000LL;
2000 
2001  AV_WB64(mxf->umid , umid);
2002  AV_WB64(mxf->umid+8, umid>>8);
2003 
2004  mxf->instance_number = seed & 0xFFFFFF;
2005 }
2006 
2008 {
2009  MXFContext *mxf = s->priv_data;
2010  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2011  if (!tcr)
2012  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2013 
2014  if (tcr)
2015  return av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
2016  else
2017  return av_timecode_init(&mxf->tc, rate, 0, 0, s);
2018 }
2019 
2021 {
2022  MXFContext *mxf = s->priv_data;
2023  int i, ret;
2024  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2025  const MXFSamplesPerFrame *spf = NULL;
2026  AVDictionaryEntry *t;
2027  int64_t timestamp = 0;
2028 
2029  if (!s->nb_streams)
2030  return -1;
2031 
2032  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1){
2033  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2034  return -1;
2035  }
2036 
2037  for (i = 0; i < s->nb_streams; i++) {
2038  AVStream *st = s->streams[i];
2039  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2040  if (!sc)
2041  return AVERROR(ENOMEM);
2042  st->priv_data = sc;
2043 
2044  if (((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2045  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2046  return -1;
2047  }
2048 
2049  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2050  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codec->pix_fmt);
2051  // TODO: should be avg_frame_rate
2052  AVRational rate, tbc = st->time_base;
2053  // Default component depth to 8
2054  sc->component_depth = 8;
2055  sc->h_chroma_sub_sample = 2;
2056  sc->color_siting = 0xFF;
2057 
2058  if (pix_desc) {
2059  sc->component_depth = pix_desc->comp[0].depth_minus1 + 1;
2060  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2061  }
2062  switch (ff_choose_chroma_location(s, st)) {
2063  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2064  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2065  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2066  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2067  }
2068 
2069  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2070  spf = ff_mxf_get_samples_per_frame(s, tbc);
2071  if (!spf) {
2072  av_log(s, AV_LOG_ERROR, "Unsupported video frame rate %d/%d\n",
2073  tbc.den, tbc.num);
2074  return AVERROR(EINVAL);
2075  }
2076  mxf->time_base = spf->time_base;
2077  rate = av_inv_q(mxf->time_base);
2078  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2079  if((ret = mxf_init_timecode(s, st, rate)) < 0)
2080  return ret;
2081 
2082  sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
2083  if (s->oformat == &ff_mxf_d10_muxer) {
2084  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2085  sc->index = 3;
2086  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && (mxf->time_base.den != 25)) {
2087  sc->index = 5;
2088  } else if (sc->video_bit_rate == 40000000) {
2089  if (mxf->time_base.den == 25) sc->index = 7;
2090  else sc->index = 9;
2091  } else if (sc->video_bit_rate == 30000000) {
2092  if (mxf->time_base.den == 25) sc->index = 11;
2093  else sc->index = 13;
2094  } else {
2095  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2096  return -1;
2097  }
2098 
2099  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2100  mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
2101  mxf->time_base.num / (8*mxf->time_base.den);
2103  mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
2105 
2106  sc->signal_standard = 1;
2107  }
2108  if (mxf->signal_standard >= 0)
2109  sc->signal_standard = mxf->signal_standard;
2110  } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2111  if (st->codec->sample_rate != 48000) {
2112  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2113  return -1;
2114  }
2115  avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
2116  if (s->oformat == &ff_mxf_d10_muxer) {
2117  if (st->index != 1) {
2118  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2119  return -1;
2120  }
2121  if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2123  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2124  }
2125  sc->index = ((MXFStreamContext*)s->streams[0]->priv_data)->index + 1;
2126  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2127  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2128 
2129  if (st->codec->codec_id != AV_CODEC_ID_PCM_S16LE &&
2131  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2132  return AVERROR_PATCHWELCOME;
2133  }
2134  if (st->codec->channels != 1) {
2135  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2136  return AVERROR(EINVAL);
2137  }
2138 
2139  spf = ff_mxf_get_samples_per_frame(s, tbc);
2140  if (!spf){
2141  av_log(s, AV_LOG_ERROR, "Unsupported timecode frame rate %d/%d\n", tbc.den, tbc.num);
2142  return AVERROR(EINVAL);
2143  }
2144 
2145  mxf->time_base = st->time_base;
2146  if((ret = mxf_init_timecode(s, st, av_inv_q(spf->time_base))) < 0)
2147  return ret;
2148 
2149  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2151  sc->index = 2;
2152  } else {
2153  mxf->slice_count = 1;
2154  }
2155  }
2156 
2157  if (!sc->index) {
2159  if (sc->index == -1) {
2160  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2161  "codec not currently supported in container\n", i);
2162  return -1;
2163  }
2164  }
2165 
2166  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2167 
2168  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2169  sc->track_essence_element_key[15] = present[sc->index];
2170  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2171 
2172  if (!present[sc->index])
2173  mxf->essence_container_count++;
2174  present[sc->index]++;
2175  }
2176 
2177  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2178  mxf->essence_container_count = 1;
2179  }
2180 
2181  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2182  mxf_gen_umid(s);
2183 
2184  for (i = 0; i < s->nb_streams; i++) {
2185  MXFStreamContext *sc = s->streams[i]->priv_data;
2186  // update element count
2187  sc->track_essence_element_key[13] = present[sc->index];
2188  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
2189  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2190  else
2191  sc->order = AV_RB32(sc->track_essence_element_key+12);
2192  }
2193 
2194  if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
2195  timestamp = ff_iso8601_to_unix_time(t->value);
2196  if (timestamp)
2197  mxf->timestamp = mxf_parse_timestamp(timestamp);
2198  mxf->duration = -1;
2199 
2200  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2201  if (!mxf->timecode_track)
2202  return AVERROR(ENOMEM);
2204  if (!mxf->timecode_track->priv_data)
2205  return AVERROR(ENOMEM);
2206  mxf->timecode_track->index = -1;
2207 
2208  if (!spf)
2209  spf = ff_mxf_get_samples_per_frame(s, (AVRational){ 1, 25 });
2210 
2211  if (ff_audio_interleave_init(s, spf->samples_per_frame, mxf->time_base) < 0)
2212  return -1;
2213 
2214  return 0;
2215 }
2216 
2217 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2218 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2219 
2221 {
2222  MXFContext *mxf = s->priv_data;
2223  AVIOContext *pb = s->pb;
2224  unsigned frame;
2225  uint32_t time_code;
2226 
2227  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2228 
2229  // write system metadata pack
2231  klv_encode_ber4_length(pb, 57);
2232  avio_w8(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
2233  avio_w8(pb, 0x04); // content package rate
2234  avio_w8(pb, 0x00); // content package type
2235  avio_wb16(pb, 0x00); // channel handle
2236  avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
2237  if (mxf->essence_container_count > 1)
2238  avio_write(pb, multiple_desc_ul, 16);
2239  else {
2240  MXFStreamContext *sc = s->streams[0]->priv_data;
2241  avio_write(pb, mxf_essence_container_uls[sc->index].container_ul, 16);
2242  }
2243  avio_w8(pb, 0);
2244  avio_wb64(pb, 0);
2245  avio_wb64(pb, 0); // creation date/time stamp
2246 
2247  avio_w8(pb, 0x81); // SMPTE 12M time code
2248  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2249  avio_wb32(pb, time_code);
2250  avio_wb32(pb, 0); // binary group data
2251  avio_wb64(pb, 0);
2252 
2253  // write system metadata package set
2255  klv_encode_ber4_length(pb, 35);
2256  avio_w8(pb, 0x83); // UMID
2257  avio_wb16(pb, 0x20);
2258  mxf_write_umid(s, 1);
2259 }
2260 
2262 {
2263  MXFContext *mxf = s->priv_data;
2264  AVIOContext *pb = s->pb;
2265  MXFStreamContext *sc = st->priv_data;
2266  int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
2267  (8*mxf->time_base.den); // frame size
2268  int pad;
2269 
2270  packet_size += 16 + 4;
2271  packet_size += klv_fill_size(packet_size);
2272 
2273  klv_encode_ber4_length(pb, pkt->size);
2274  avio_write(pb, pkt->data, pkt->size);
2275 
2276  // ensure CBR muxing by padding to correct video frame size
2277  pad = packet_size - pkt->size - 16 - 4;
2278  if (pad > 20) {
2279  avio_write(s->pb, klv_fill_key, 16);
2280  pad -= 16 + 4;
2281  klv_encode_ber4_length(s->pb, pad);
2282  ffio_fill(s->pb, 0, pad);
2283  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
2284  } else {
2285  av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
2286  ffio_fill(s->pb, 0, pad);
2287  }
2288 }
2289 
2291 {
2292  MXFContext *mxf = s->priv_data;
2293  AVIOContext *pb = s->pb;
2294  int frame_size = pkt->size / st->codec->block_align;
2295  uint8_t *samples = pkt->data;
2296  uint8_t *end = pkt->data + pkt->size;
2297  int i;
2298 
2299  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2300 
2301  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2302  avio_wl16(pb, frame_size);
2303  avio_w8(pb, (1<<st->codec->channels)-1);
2304 
2305  while (samples < end) {
2306  for (i = 0; i < st->codec->channels; i++) {
2307  uint32_t sample;
2308  if (st->codec->codec_id == AV_CODEC_ID_PCM_S24LE) {
2309  sample = AV_RL24(samples)<< 4;
2310  samples += 3;
2311  } else {
2312  sample = AV_RL16(samples)<<12;
2313  samples += 2;
2314  }
2315  avio_wl32(pb, sample | i);
2316  }
2317  for (; i < 8; i++)
2318  avio_wl32(pb, i);
2319  }
2320 }
2321 
2323 {
2324  MXFContext *mxf = s->priv_data;
2325  AVIOContext *pb = s->pb;
2326  AVStream *st = s->streams[0];
2327  MXFStreamContext *sc = st->priv_data;
2328  const uint8_t *key = NULL;
2329 
2330  int err;
2331 
2332  if (!mxf->header_written)
2333  key = body_partition_key;
2334 
2335  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2336  return err;
2337  mxf_write_klv_fill(s);
2340  return 0;
2341 }
2342 
2344 {
2345  MXFContext *mxf = s->priv_data;
2346  AVIOContext *pb = s->pb;
2347 
2348  int err;
2349 
2350  if (!mxf->header_written) {
2351  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2352  return err;
2353  mxf_write_klv_fill(s);
2354 
2355  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2356  return err;
2357  mxf->header_written = 1;
2358  }
2359 
2360  if (!mxf->edit_unit_byte_count) {
2362  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2364  }
2365  mxf->edit_units_count++;
2366  avio_write(pb, pkt->data, pkt->size);
2367  mxf->body_offset += pkt->size;
2368  avio_flush(pb);
2369 
2370  return 0;
2371 }
2372 
2374 {
2375  MXFContext *mxf = s->priv_data;
2376  AVIOContext *pb = s->pb;
2377  AVStream *st = s->streams[pkt->stream_index];
2378  MXFStreamContext *sc = st->priv_data;
2379  MXFIndexEntry ie = {0};
2380  int err;
2381 
2383  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2384  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2385  mxf->edit_units_count = 0;
2386  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2387  return err;
2388  }
2389  }
2390 
2391  if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
2392  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2393  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2394  return -1;
2395  }
2396  } else if (st->codec->codec_id == AV_CODEC_ID_DNXHD) {
2397  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2398  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2399  return -1;
2400  }
2401  } else if (st->codec->codec_id == AV_CODEC_ID_DVVIDEO) {
2402  if (!mxf_parse_dv_frame(s, st, pkt)) {
2403  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2404  return -1;
2405  }
2406  } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
2407  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2408  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2409  return -1;
2410  }
2411  }
2412 
2413  if (s->oformat == &ff_mxf_opatom_muxer)
2414  return mxf_write_opatom_packet(s, pkt, &ie);
2415 
2416  if (!mxf->header_written) {
2417  if (mxf->edit_unit_byte_count) {
2418  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2419  return err;
2420  mxf_write_klv_fill(s);
2422  } else {
2423  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2424  return err;
2425  }
2426  mxf->header_written = 1;
2427  }
2428 
2429  if (st->index == 0) {
2430  if (!mxf->edit_unit_byte_count &&
2432  !(ie.flags & 0x33)) { // I frame, Gop start
2433  mxf_write_klv_fill(s);
2434  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2435  return err;
2436  mxf_write_klv_fill(s);
2438  }
2439 
2440  mxf_write_klv_fill(s);
2442 
2443  if (!mxf->edit_unit_byte_count) {
2445  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2447  mxf->body_offset += KAG_SIZE; // size of system element
2448  }
2449  mxf->edit_units_count++;
2450  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2452  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2453  }
2454 
2455  mxf_write_klv_fill(s);
2456  avio_write(pb, sc->track_essence_element_key, 16); // write key
2457  if (s->oformat == &ff_mxf_d10_muxer) {
2458  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2459  mxf_write_d10_video_packet(s, st, pkt);
2460  else
2461  mxf_write_d10_audio_packet(s, st, pkt);
2462  } else {
2463  klv_encode_ber4_length(pb, pkt->size); // write length
2464  avio_write(pb, pkt->data, pkt->size);
2465  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2466  }
2467 
2468  avio_flush(pb);
2469 
2470  return 0;
2471 }
2472 
2474 {
2475  MXFContext *mxf = s->priv_data;
2476  AVIOContext *pb = s->pb;
2477  uint64_t pos = avio_tell(pb);
2478  int i;
2479 
2481  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2482 
2483  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2484  avio_wb32(pb, 1); // BodySID of header partition
2485  else
2486  avio_wb32(pb, 0);
2487  avio_wb64(pb, 0); // offset of header partition
2488 
2489  for (i = 0; i < mxf->body_partitions_count; i++) {
2490  avio_wb32(pb, 1); // BodySID
2491  avio_wb64(pb, mxf->body_partition_offset[i]);
2492  }
2493 
2494  avio_wb32(pb, 0); // BodySID of footer partition
2496 
2497  avio_wb32(pb, avio_tell(pb) - pos + 4);
2498 }
2499 
2501 {
2502  MXFContext *mxf = s->priv_data;
2503  AVIOContext *pb = s->pb;
2504  int err = 0;
2505 
2506  if (!mxf->header_written ||
2507  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2508  /* reason could be invalid options/not supported codec/out of memory */
2509  err = AVERROR_UNKNOWN;
2510  goto end;
2511  }
2512 
2514 
2515  mxf_write_klv_fill(s);
2517  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2518  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2519  goto end;
2520  } else {
2521  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2522  goto end;
2523  mxf_write_klv_fill(s);
2525  }
2526 
2527  mxf_write_klv_fill(s);
2529 
2530  if (s->pb->seekable) {
2531  if (s->oformat == &ff_mxf_opatom_muxer){
2532  /* rewrite body partition to update lengths */
2533  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2534  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2535  goto end;
2536  }
2537 
2538  avio_seek(pb, 0, SEEK_SET);
2539  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2540  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2541  goto end;
2542  mxf_write_klv_fill(s);
2544  } else {
2545  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
2546  goto end;
2547  }
2548  }
2549 
2550 end:
2552 
2553  av_freep(&mxf->index_entries);
2556  av_freep(&mxf->timecode_track);
2557 
2558  mxf_free(s);
2559 
2560  return err < 0 ? err : 0;
2561 }
2562 
2564 {
2565  int i, stream_count = 0;
2566 
2567  for (i = 0; i < s->nb_streams; i++)
2568  stream_count += !!s->streams[i]->last_in_packet_buffer;
2569 
2570  if (stream_count && (s->nb_streams == stream_count || flush)) {
2571  AVPacketList *pktl = s->internal->packet_buffer;
2572  if (s->nb_streams != stream_count) {
2573  AVPacketList *last = NULL;
2574  // find last packet in edit unit
2575  while (pktl) {
2576  if (!stream_count || pktl->pkt.stream_index == 0)
2577  break;
2578  last = pktl;
2579  pktl = pktl->next;
2580  stream_count--;
2581  }
2582  // purge packet queue
2583  while (pktl) {
2584  AVPacketList *next = pktl->next;
2585 
2586  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2588  av_free_packet(&pktl->pkt);
2589  av_freep(&pktl);
2590  pktl = next;
2591  }
2592  if (last)
2593  last->next = NULL;
2594  else {
2595  s->internal->packet_buffer = NULL;
2597  goto out;
2598  }
2599  pktl = s->internal->packet_buffer;
2600  }
2601 
2602  *out = pktl->pkt;
2603  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
2604  s->internal->packet_buffer = pktl->next;
2605  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
2607  if(!s->internal->packet_buffer)
2609  av_freep(&pktl);
2610  return 1;
2611  } else {
2612  out:
2613  av_init_packet(out);
2614  return 0;
2615  }
2616 }
2617 
2619 {
2621  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
2622 
2623  return next->dts > pkt->dts ||
2624  (next->dts == pkt->dts && sc->order < sc2->order);
2625 }
2626 
2628 {
2629  return ff_audio_rechunk_interleave(s, out, pkt, flush,
2631 }
2632 
2633 #define MXF_COMMON_OPTIONS \
2634  { "signal_standard", "Force/set Sigal Standard",\
2635  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2636  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
2637  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2638  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
2639  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2640  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
2641  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2642  { "smpte274m", "SMPTE 274M (1125 line)",\
2643  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2644  { "smpte296m", "SMPTE 296M (750 line progressive)",\
2645  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2646  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
2647  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
2648  { "smpte428", "SMPTE 428-1 DCDM",\
2649  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
2650 
2651 
2652 
2653 static const AVOption mxf_options[] = {
2655  { NULL },
2656 };
2657 
2658 static const AVClass mxf_muxer_class = {
2659  .class_name = "MXF muxer",
2660  .item_name = av_default_item_name,
2661  .option = mxf_options,
2662  .version = LIBAVUTIL_VERSION_INT,
2663 };
2664 
2665 static const AVOption d10_options[] = {
2666  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
2667  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
2669  { NULL },
2670 };
2671 
2673  .class_name = "MXF-D10 muxer",
2674  .item_name = av_default_item_name,
2675  .option = d10_options,
2676  .version = LIBAVUTIL_VERSION_INT,
2677 };
2678 
2679 static const AVOption opatom_options[] = {
2680  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
2681  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
2683  { NULL },
2684 };
2685 
2687  .class_name = "MXF-OPAtom muxer",
2688  .item_name = av_default_item_name,
2689  .option = opatom_options,
2690  .version = LIBAVUTIL_VERSION_INT,
2691 };
2692 
2694  .name = "mxf",
2695  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
2696  .mime_type = "application/mxf",
2697  .extensions = "mxf",
2698  .priv_data_size = sizeof(MXFContext),
2699  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2700  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2706  .priv_class = &mxf_muxer_class,
2707 };
2708 
2709 AVOutputFormat ff_mxf_d10_muxer = {
2710  .name = "mxf_d10",
2711  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
2712  .mime_type = "application/mxf",
2713  .priv_data_size = sizeof(MXFContext),
2714  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2715  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
2721  .priv_class = &mxf_d10_muxer_class,
2722 };
2723 
2724 AVOutputFormat ff_mxf_opatom_muxer = {
2725  .name = "mxf_opatom",
2726  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
2727  .mime_type = "application/mxf",
2728  .extensions = "mxf",
2729  .priv_data_size = sizeof(MXFContext),
2730  .audio_codec = AV_CODEC_ID_PCM_S16LE,
2731  .video_codec = AV_CODEC_ID_DNXHD,
2737  .priv_class = &mxf_opatom_muxer_class,
2738 };
static uint64_t mxf_parse_timestamp(time_t timestamp)
Definition: mxfenc.c:1981
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:410
uint32_t tagged_value_count
Definition: mxfenc.c:320
#define NULL
Definition: coverity.c:32
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:416
MXFMetadataSetType
Definition: mxf.h:30
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:111
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
static int mxf_utf16_local_tag_length(const char *utf8_str)
Definition: mxfenc.c:668
static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2261
int component_depth
Definition: mxfenc.c:81
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:337
#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:334
void av_free_packet(AVPacket *pkt)
Free a packet.
Definition: avpacket.c:280
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2090
mpeg2/4 4:2:0, h264 default for 4:2:0
Definition: pixfmt.h:544
int signal_standard
Definition: mxfenc.c:83
int avio_put_str16be(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16BE and write it.
AVOption.
Definition: opt.h:255
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1391
enum AVCodecID id
Definition: mxfenc.c:99
uint64_t body_offset
Definition: mxfenc.c:315
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:114
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:338
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:988
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:127
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:504
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:76
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:4006
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:892
unsigned body_partitions_count
Definition: mxfenc.c:308
const int * samples
current samples per frame, pointer to samples_per_frame
int num
numerator
Definition: rational.h:44
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational rate)
Definition: mxfenc.c:2007
int index
stream index in AVFormatContext
Definition: avformat.h:843
int size
Definition: avcodec.h:1163
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:991
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:203
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1695
int interlaced
whether picture is interlaced
Definition: mxfenc.c:79
static const uint8_t body_partition_key[]
Definition: mxfenc.c:339
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:2693
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1444
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1105
void * priv_data
Definition: avformat.h:862
#define FF_ARRAY_ELEMS(a)
int version
Definition: avisynth_c.h:629
static AVPacket pkt
struct AVRational time_base
Definition: mxf.h:74
static void mxf_free(AVFormatContext *s)
Definition: mxfenc.c:553
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:447
static void mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:965
int profile
profile
Definition: avcodec.h:2835
#define sample
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
Definition: bytestream.h:85
UID track_essence_element_key
Definition: mxfenc.c:75
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:812
int block_align
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs...
Definition: avcodec.h:2022
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
int id
Definition: mxf.h:70
int index
Definition: mxfenc.c:100
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2020
Definition: h264.h:118
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:498
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:345
Format I/O context.
Definition: avformat.h:1272
int h_chroma_sub_sample
Definition: mxfenc.c:84
uint8_t UID[16]
Definition: mxf.h:28
UID uid
Definition: mxfenc.c:1802
int temporal_reordering
Definition: mxfenc.c:85
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:305
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:992
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:477
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1524
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:463
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:313
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:192
Definition: h264.h:119
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2373
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:2709
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:318
if()
Definition: avfilter.c:975
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:100
static unsigned klv_fill_size(uint64_t size)
Definition: mxfenc.c:1382
uint8_t
const MXFSamplesPerFrame * ff_mxf_get_samples_per_frame(AVFormatContext *s, AVRational time_base)
Definition: mxf.c:136
static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:994
AVOptions.
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:1890
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:204
AVPacket pkt
Definition: avformat.h:1845
timecode is drop frame
Definition: timecode.h:36
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:67
int ff_audio_interleave_init(AVFormatContext *s, const int *samples_per_frame, AVRational time_base)
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:85
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1340
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1097
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:39
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1383
uint8_t * data
Definition: avcodec.h:1162
uint64_t duration
Definition: mxfenc.c:310
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
uint32_t tag
Definition: movenc.c:1333
uint64_t offset
Definition: mxfenc.c:68
Definition: ismindex.c:71
ptrdiff_t size
Definition: opengl_enc.c:101
uint8_t flags
Definition: mxfenc.c:67
static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:765
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:365
struct AVPacketList * packet_buffer
This buffer is only needed when packets were already buffered but not decoded, for example to get the...
Definition: internal.h:62
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:177
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:902
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1400
AVRational audio_edit_rate
Definition: mxfenc.c:321
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:69
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:334
#define av_log(a,...)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:285
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
unsigned m
Definition: audioconvert.c:187
struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1291
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx)
Init a timecode struct with the passed parameters.
Definition: timecode.c:182
H.264 / AVC / MPEG4 part10 codec.
AudioInterleaveContext aic
Definition: mxfenc.c:74
int local_tag
Definition: mxfenc.c:62
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:2686
static const uint8_t umid_ul[]
Definition: mxfenc.c:325
uint16_t depth_minus1
Number of bits in the component minus 1.
Definition: pixdesc.h:57
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:213
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:102
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1533
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1482
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:3318
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2220
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:58
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:95
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:344
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1194
int profile
Definition: mxfenc.c:1804
av_default_item_name
Definition: mxf.h:42
#define AVERROR(e)
Definition: error.h:43
int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush, int(*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int), int(*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *))
Rechunk audio PCM packets per AudioInterleaveContext->samples_per_frame and interleave them correctly...
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:336
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:595
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int header_written
Definition: mxfenc.c:301
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2473
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2327
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1090
simple assert() macros that are a bit more flexible than ISO C assert().
static int mxf_write_opatom_body_partition(AVFormatContext *s)
Definition: mxfenc.c:2322
GLsizei GLsizei * length
Definition: opengl_enc.c:115
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_RL24
Definition: bytestream.h:85
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
Definition: mxfenc.c:547
GLsizei count
Definition: opengl_enc.c:109
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:2633
int color_siting
Definition: mxfenc.c:82
int order
interleaving order if dts are equal
Definition: mxfenc.c:78
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2290
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:333
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2217
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:513
static struct tm * gmtime_r(const time_t *clock, struct tm *result)
Definition: time_internal.h:26
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:861
static void mxf_write_content_storage(AVFormatContext *s)
Definition: mxfenc.c:740
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
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:469
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1328
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:160
int bit_rate
the average bitrate
Definition: avcodec.h:1305
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1823
int void avio_flush(AVIOContext *s)
Force flushing of buffered data.
Definition: aviobuf.c:197
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:989
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:163
#define KAG_SIZE
Definition: mxfenc.c:59
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:330
uint8_t interlaced
Definition: mxfenc.c:1805
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1641
ret
Definition: avfilter.c:974
int width
picture width / height.
Definition: avcodec.h:1414
uint64_t * body_partition_offset
Definition: mxfenc.c:307
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:94
int64_t ff_iso8601_to_unix_time(const char *datestr)
Convert a date string in ISO8601 format to Unix timestamp.
Definition: utils.c:4094
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:546
static const AVOption mxf_options[]
Definition: mxfenc.c:2653
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:434
static const AVClass mxf_muxer_class
Definition: mxfenc.c:2658
const char * name
Definition: avformat.h:513
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1536
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:687
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1349
int level
level
Definition: avcodec.h:2925
AVDictionary * metadata
Definition: avformat.h:916
AVStream * timecode_track
Definition: mxfenc.c:312
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:990
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
Definition: mxf.c:28
static const uint8_t system_metadata_package_set_key[]
Definition: mxfenc.c:2218
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:314
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:107
static void flush(AVCodecContext *avctx)
Definition: aacdec.c:514
Stream structure.
Definition: avformat.h:842
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:472
uint32_t instance_number
Definition: mxfenc.c:316
static void mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1165
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1225
int signal_standard
Definition: mxfenc.c:319
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
Definition: mxfenc.c:541
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1184
int frame_size
Definition: mxfenc.c:1803
int last_indexed_edit_unit
Definition: mxfenc.c:306
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:2672
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:1923
enum AVMediaType codec_type
Definition: avcodec.h:1249
const UID * codec_ul
Definition: mxfenc.c:77
enum AVCodecID codec_id
Definition: avcodec.h:1258
Timecode helpers header.
int sample_rate
samples per second
Definition: avcodec.h:1985
AVIOContext * pb
I/O context.
Definition: avformat.h:1314
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
static const UID * mxf_get_mpeg2_codec_ul(AVCodecContext *avctx)
Definition: mxfenc.c:1903
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:155
int samples_per_frame[6]
Definition: mxf.h:75
main external API structure.
Definition: avcodec.h:1241
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:578
static unsigned int seed
Definition: videogen.c:78
AVRational rate
frame rate in rational form
Definition: timecode.h:44
static const struct @166 mxf_h264_codec_uls[]
void * buf
Definition: avisynth_c.h:553
int closed_gop
gop is closed, used in mpeg-2 frame parsing
Definition: mxfenc.c:87
GLint GLenum type
Definition: opengl_enc.c:105
uint64_t timestamp
timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
Definition: mxfenc.c:304
#define AV_STRINGIFY(s)
Definition: macros.h:36
Describe the class of an AVClass context structure.
Definition: log.h:67
AVRational aspect_ratio
display aspect ratio
Definition: mxfenc.c:86
static const MXFLocalTagPair mxf_local_tag_batch[]
SMPTE RP210 http://www.smpte-ra.org/mdd/index.html.
Definition: mxfenc.c:350
rational number numerator/denominator
Definition: rational.h:43
int sample_size
size of one sample all channels included
uint16_t temporal_ref
Definition: mxfenc.c:70
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:646
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:522
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
MXFIndexEntry * index_entries
Definition: mxfenc.c:302
AVRational time_base
Definition: mxfenc.c:300
AVClass * av_class
Definition: mxfenc.c:297
Definition: mxf.h:67
int video_bit_rate
Definition: mxfenc.c:88
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:864
static const uint8_t uuid_base[]
Definition: mxfenc.c:324
int channel_count
Definition: mxfenc.c:318
Definition: mxf.h:48
#define LIBAVFORMAT_VERSION
Definition: version.h:39
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:422
static uint32_t state
Definition: trasher.c:27
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:133
static int flags
Definition: cpu.c:47
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:118
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:118
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
Definition: avcodec.h:1435
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2563
int64_t footer_partition_offset
Definition: mxfenc.c:298
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:810
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:700
void ff_audio_interleave_close(AVFormatContext *s)
Definition: mxf.h:37
static int mxf_compare_timestamps(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
Definition: mxfenc.c:2618
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, const char *package_name)
Definition: mxfenc.c:1243
common internal api header.
struct AVPacketList * next
Definition: avformat.h:1846
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:332
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1327
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:199
static double c[64]
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:49
char * key
Definition: dict.h:87
int den
denominator
Definition: rational.h:45
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
static const MXFCodecUL * mxf_get_data_definition_ul(int type)
Definition: mxfenc.c:563
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:80
static const AVOption d10_options[]
Definition: mxfenc.c:2665
struct AVPacketList * packet_buffer_end
Definition: internal.h:63
int last_key_index
index of last key frame
Definition: mxfenc.c:309
char * value
Definition: dict.h:88
int len
int channels
number of audio channels
Definition: avcodec.h:1986
#define av_log2
Definition: intmath.h:105
static void mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
Definition: mxfenc.c:1118
void * priv_data
Format private data.
Definition: avformat.h:1300
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:1995
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:493
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:317
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:928
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1179
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1161
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:326
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:2679
enum AVFieldOrder field_order
Field order.
Definition: avcodec.h:1982
void INT64 start
Definition: avisynth_c.h:553
#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:72
unsigned edit_units_count
Definition: mxfenc.c:303
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:109
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
Definition: mxfenc.c:836
mpeg1 4:2:0, jpeg 4:2:0, h263 4:2:0
Definition: pixfmt.h:545
UID uid
Definition: mxf.h:68
int stream_index
Definition: avcodec.h:1164
static const uint8_t opatom_ul[]
Definition: mxfenc.c:331
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:575
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:884
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2343
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1095
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:454
This structure stores compressed data.
Definition: avcodec.h:1139
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1726
static int write_packet(AVFormatContext *s1, AVPacket *pkt)
Definition: v4l2enc.c:86
int essence_container_count
Definition: mxfenc.c:299
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1196
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:250
static const struct @165 mxf_essence_mappings[]
static const uint8_t random_index_pack_key[]
Definition: mxfenc.c:335
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1189
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:2627
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1041
AVTimecode tc
timecode context
Definition: mxfenc.c:311
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2500
const char * name
Definition: opengl_enc.c:103
uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
Convert frame number to SMPTE 12M binary representation.
Definition: timecode.c:55
AVOutputFormat ff_mxf_opatom_muxer
Definition: mxfenc.c:2724