FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
mediacodecdec_common.c
Go to the documentation of this file.
1 /*
2  * Android MediaCodec decoder
3  *
4  * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.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 #include <string.h>
24 #include <sys/types.h>
25 
26 #include "libavutil/common.h"
27 #include "libavutil/mem.h"
28 #include "libavutil/log.h"
29 #include "libavutil/pixfmt.h"
30 #include "libavutil/time.h"
31 #include "libavutil/timestamp.h"
32 
33 #include "avcodec.h"
34 #include "internal.h"
35 
36 #include "mediacodec.h"
37 #include "mediacodec_surface.h"
38 #include "mediacodec_sw_buffer.h"
39 #include "mediacodec_wrapper.h"
40 #include "mediacodecdec_common.h"
41 
42 /**
43  * OMX.k3.video.decoder.avc, OMX.NVIDIA.* OMX.SEC.avc.dec and OMX.google
44  * codec workarounds used in various place are taken from the Gstreamer
45  * project.
46  *
47  * Gstreamer references:
48  * https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/androidmedia/
49  *
50  * Gstreamer copyright notice:
51  *
52  * Copyright (C) 2012, Collabora Ltd.
53  * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
54  *
55  * Copyright (C) 2012, Rafaël Carré <funman@videolanorg>
56  *
57  * Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
58  *
59  * Copyright (C) 2014-2015, Collabora Ltd.
60  * Author: Matthieu Bouron <matthieu.bouron@gcollabora.com>
61  *
62  * Copyright (C) 2015, Edward Hervey
63  * Author: Edward Hervey <bilboed@gmail.com>
64  *
65  * Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
66  *
67  * This library is free software; you can redistribute it and/or
68  * modify it under the terms of the GNU Lesser General Public
69  * License as published by the Free Software Foundation
70  * version 2.1 of the License.
71  *
72  * This library is distributed in the hope that it will be useful,
73  * but WITHOUT ANY WARRANTY; without even the implied warranty of
74  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
75  * Lesser General Public License for more details.
76  *
77  * You should have received a copy of the GNU Lesser General Public
78  * License along with this library; if not, write to the Free Software
79  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
80  *
81  */
82 
83 #define INPUT_DEQUEUE_TIMEOUT_US 8000
84 #define OUTPUT_DEQUEUE_TIMEOUT_US 8000
85 #define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
86 
87 enum {
97 };
98 
99 static const struct {
100 
103 
104 } color_formats[] = {
105 
113  { 0 }
114 };
115 
118  int color_format)
119 {
120  int i;
121  enum AVPixelFormat ret = AV_PIX_FMT_NONE;
122 
123  if (s->surface) {
124  return AV_PIX_FMT_MEDIACODEC;
125  }
126 
127  if (!strcmp(s->codec_name, "OMX.k3.video.decoder.avc") && color_format == COLOR_FormatYCbYCr) {
129  }
130 
131  for (i = 0; i < FF_ARRAY_ELEMS(color_formats); i++) {
132  if (color_formats[i].color_format == color_format) {
133  return color_formats[i].pix_fmt;
134  }
135  }
136 
137  av_log(avctx, AV_LOG_ERROR, "Output color format 0x%x (value=%d) is not supported\n",
138  color_format, color_format);
139 
140  return ret;
141 }
142 
144 {
145  atomic_fetch_add(&s->refcount, 1);
146 }
147 
149 {
150  if (!s)
151  return;
152 
153  if (atomic_fetch_sub(&s->refcount, 1) == 1) {
154  if (s->codec) {
156  s->codec = NULL;
157  }
158 
159  if (s->format) {
161  s->format = NULL;
162  }
163 
164  if (s->surface) {
166  s->surface = NULL;
167  }
168 
169  av_freep(&s->codec_name);
170  av_freep(&s);
171  }
172 }
173 
174 static void mediacodec_buffer_release(void *opaque, uint8_t *data)
175 {
176  AVMediaCodecBuffer *buffer = opaque;
177  MediaCodecDecContext *ctx = buffer->ctx;
178  int released = atomic_load(&buffer->released);
179 
180  if (!released) {
181  ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
182  }
183 
185  av_freep(&buffer);
186 }
187 
190  ssize_t index,
192  AVFrame *frame)
193 {
194  int ret = 0;
195  int status = 0;
196  AVMediaCodecBuffer *buffer = NULL;
197 
198  frame->buf[0] = NULL;
199  frame->width = avctx->width;
200  frame->height = avctx->height;
201  frame->format = avctx->pix_fmt;
202 
203  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
204  frame->pts = av_rescale_q(info->presentationTimeUs,
205  av_make_q(1, 1000000),
206  avctx->pkt_timebase);
207  } else {
208  frame->pts = info->presentationTimeUs;
209  }
210 #if FF_API_PKT_PTS
212  frame->pkt_pts = frame->pts;
214 #endif
215  frame->pkt_dts = AV_NOPTS_VALUE;
216 
217  buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
218  if (!buffer) {
219  ret = AVERROR(ENOMEM);
220  goto fail;
221  }
222 
223  atomic_init(&buffer->released, 0);
224 
225  frame->buf[0] = av_buffer_create(NULL,
226  0,
228  buffer,
230 
231  if (!frame->buf[0]) {
232  ret = AVERROR(ENOMEM);
233  goto fail;
234 
235  }
236 
237  buffer->ctx = s;
239 
240  buffer->index = index;
241  buffer->pts = info->presentationTimeUs;
242 
243  frame->data[3] = (uint8_t *)buffer;
244 
245  return 0;
246 fail:
247  av_freep(buffer);
248  av_buffer_unref(&frame->buf[0]);
249  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
250  if (status < 0) {
251  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
252  ret = AVERROR_EXTERNAL;
253  }
254 
255  return ret;
256 }
257 
260  uint8_t *data,
261  size_t size,
262  ssize_t index,
264  AVFrame *frame)
265 {
266  int ret = 0;
267  int status = 0;
268 
269  frame->width = avctx->width;
270  frame->height = avctx->height;
271  frame->format = avctx->pix_fmt;
272 
273  /* MediaCodec buffers needs to be copied to our own refcounted buffers
274  * because the flush command invalidates all input and output buffers.
275  */
276  if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
277  av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
278  goto done;
279  }
280 
281  /* Override frame->pkt_pts as ff_get_buffer will override its value based
282  * on the last avpacket received which is not in sync with the frame:
283  * * N avpackets can be pushed before 1 frame is actually returned
284  * * 0-sized avpackets are pushed to flush remaining frames at EOS */
285  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
286  frame->pts = av_rescale_q(info->presentationTimeUs,
287  av_make_q(1, 1000000),
288  avctx->pkt_timebase);
289  } else {
290  frame->pts = info->presentationTimeUs;
291  }
292 #if FF_API_PKT_PTS
294  frame->pkt_pts = frame->pts;
296 #endif
297  frame->pkt_dts = AV_NOPTS_VALUE;
298 
299  av_log(avctx, AV_LOG_DEBUG,
300  "Frame: width=%d stride=%d height=%d slice-height=%d "
301  "crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s\n"
302  "destination linesizes=%d,%d,%d\n" ,
303  avctx->width, s->stride, avctx->height, s->slice_height,
305  frame->linesize[0], frame->linesize[1], frame->linesize[2]);
306 
307  switch (s->color_format) {
309  ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
310  break;
314  ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
315  break;
318  ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
319  break;
322  break;
323  default:
324  av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
325  s->color_format, s->color_format);
326  ret = AVERROR(EINVAL);
327  goto done;
328  }
329 
330  ret = 0;
331 done:
332  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
333  if (status < 0) {
334  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
335  ret = AVERROR_EXTERNAL;
336  }
337 
338  return ret;
339 }
340 
342 {
343  int width = 0;
344  int height = 0;
345  int32_t value = 0;
346  char *format = NULL;
347 
348  if (!s->format) {
349  av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
350  return AVERROR(EINVAL);
351  }
352 
353  format = ff_AMediaFormat_toString(s->format);
354  if (!format) {
355  return AVERROR_EXTERNAL;
356  }
357  av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
358  av_freep(&format);
359 
360  /* Mandatory fields */
361  if (!ff_AMediaFormat_getInt32(s->format, "width", &value)) {
362  format = ff_AMediaFormat_toString(s->format);
363  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "width", format);
364  av_freep(&format);
365  return AVERROR_EXTERNAL;
366  }
367  s->width = value;
368 
369  if (!ff_AMediaFormat_getInt32(s->format, "height", &value)) {
370  format = ff_AMediaFormat_toString(s->format);
371  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "height", format);
372  av_freep(&format);
373  return AVERROR_EXTERNAL;
374  }
375  s->height = value;
376 
377  if (!ff_AMediaFormat_getInt32(s->format, "stride", &value)) {
378  format = ff_AMediaFormat_toString(s->format);
379  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "stride", format);
380  av_freep(&format);
381  return AVERROR_EXTERNAL;
382  }
383  s->stride = value > 0 ? value : s->width;
384 
385  if (!ff_AMediaFormat_getInt32(s->format, "slice-height", &value)) {
386  format = ff_AMediaFormat_toString(s->format);
387  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "slice-height", format);
388  av_freep(&format);
389  return AVERROR_EXTERNAL;
390  }
391  s->slice_height = value > 0 ? value : s->height;
392 
393  if (strstr(s->codec_name, "OMX.Nvidia.")) {
394  s->slice_height = FFALIGN(s->height, 16);
395  } else if (strstr(s->codec_name, "OMX.SEC.avc.dec")) {
396  s->slice_height = avctx->height;
397  s->stride = avctx->width;
398  }
399 
400  if (!ff_AMediaFormat_getInt32(s->format, "color-format", &value)) {
401  format = ff_AMediaFormat_toString(s->format);
402  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "color-format", format);
403  av_freep(&format);
404  return AVERROR_EXTERNAL;
405  }
406  s->color_format = value;
407 
408  s->pix_fmt = avctx->pix_fmt = mcdec_map_color_format(avctx, s, value);
409  if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
410  av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
411  return AVERROR(EINVAL);
412  }
413 
414  /* Optional fields */
415  if (ff_AMediaFormat_getInt32(s->format, "crop-top", &value))
416  s->crop_top = value;
417 
418  if (ff_AMediaFormat_getInt32(s->format, "crop-bottom", &value))
419  s->crop_bottom = value;
420 
421  if (ff_AMediaFormat_getInt32(s->format, "crop-left", &value))
422  s->crop_left = value;
423 
424  if (ff_AMediaFormat_getInt32(s->format, "crop-right", &value))
425  s->crop_right = value;
426 
427  width = s->crop_right + 1 - s->crop_left;
428  height = s->crop_bottom + 1 - s->crop_top;
429 
430  av_log(avctx, AV_LOG_INFO,
431  "Output crop parameters top=%d bottom=%d left=%d right=%d, "
432  "resulting dimensions width=%d height=%d\n",
433  s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
434  width, height);
435 
436  return ff_set_dimensions(avctx, width, height);
437 }
438 
439 
441 {
442  FFAMediaCodec *codec = s->codec;
443  int status;
444 
445  s->output_buffer_count = 0;
446 
447  s->draining = 0;
448  s->flushing = 0;
449  s->eos = 0;
450 
451  status = ff_AMediaCodec_flush(codec);
452  if (status < 0) {
453  av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
454  return AVERROR_EXTERNAL;
455  }
456 
457  return 0;
458 }
459 
461  const char *mime, FFAMediaFormat *format)
462 {
463  int ret = 0;
464  int status;
465  int profile;
466 
467  enum AVPixelFormat pix_fmt;
468  static const enum AVPixelFormat pix_fmts[] = {
471  };
472 
473  atomic_init(&s->refcount, 1);
474 
475  pix_fmt = ff_get_format(avctx, pix_fmts);
476  if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
477  AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
478 
479  if (user_ctx && user_ctx->surface) {
480  s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
481  av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
482  }
483  }
484 
486  if (profile < 0) {
487  av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile\n");
488  }
489 
490  s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
491  if (!s->codec_name) {
492  ret = AVERROR_EXTERNAL;
493  goto fail;
494  }
495 
496  av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
498  if (!s->codec) {
499  av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
500  ret = AVERROR_EXTERNAL;
501  goto fail;
502  }
503 
504  status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
505  if (status < 0) {
506  char *desc = ff_AMediaFormat_toString(format);
507  av_log(avctx, AV_LOG_ERROR,
508  "Failed to configure codec (status = %d) with format %s\n",
509  status, desc);
510  av_freep(&desc);
511 
512  ret = AVERROR_EXTERNAL;
513  goto fail;
514  }
515 
516  status = ff_AMediaCodec_start(s->codec);
517  if (status < 0) {
518  char *desc = ff_AMediaFormat_toString(format);
519  av_log(avctx, AV_LOG_ERROR,
520  "Failed to start codec (status = %d) with format %s\n",
521  status, desc);
522  av_freep(&desc);
523  ret = AVERROR_EXTERNAL;
524  goto fail;
525  }
526 
528  if (s->format) {
529  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
530  av_log(avctx, AV_LOG_ERROR,
531  "Failed to configure context\n");
532  goto fail;
533  }
534  }
535 
536  av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
537 
538  return 0;
539 
540 fail:
541  av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
542  ff_mediacodec_dec_close(avctx, s);
543  return ret;
544 }
545 
547  AVFrame *frame, int *got_frame,
548  AVPacket *pkt)
549 {
550  int ret;
551  int offset = 0;
552  int need_draining = 0;
553  uint8_t *data;
554  ssize_t index;
555  size_t size;
556  FFAMediaCodec *codec = s->codec;
557  FFAMediaCodecBufferInfo info = { 0 };
558 
559  int status;
560 
561  int64_t input_dequeue_timeout_us = INPUT_DEQUEUE_TIMEOUT_US;
562  int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
563 
564  if (s->flushing) {
565  av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
566  "until all output buffers have been released\n");
567  return AVERROR_EXTERNAL;
568  }
569 
570  if (pkt->size == 0) {
571  need_draining = 1;
572  }
573 
574  if (s->draining && s->eos) {
575  return 0;
576  }
577 
578  while (offset < pkt->size || (need_draining && !s->draining)) {
579 
580  index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
581  if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
582  break;
583  }
584 
585  if (index < 0) {
586  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
587  return AVERROR_EXTERNAL;
588  }
589 
590  data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
591  if (!data) {
592  av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
593  return AVERROR_EXTERNAL;
594  }
595 
596  if (need_draining) {
597  int64_t pts = pkt->pts;
599 
600  if (s->surface) {
601  pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
602  }
603 
604  av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
605 
606  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
607  if (status < 0) {
608  av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
609  return AVERROR_EXTERNAL;
610  }
611 
612  s->draining = 1;
613  break;
614  } else {
615  int64_t pts = pkt->pts;
616 
617  size = FFMIN(pkt->size - offset, size);
618 
619  memcpy(data, pkt->data + offset, size);
620  offset += size;
621 
622  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
623  pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
624  }
625 
626  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
627  if (status < 0) {
628  av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
629  return AVERROR_EXTERNAL;
630  }
631  }
632  }
633 
634  if (need_draining || s->draining) {
635  /* If the codec is flushing or need to be flushed, block for a fair
636  * amount of time to ensure we got a frame */
637  output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
638  } else if (s->output_buffer_count == 0) {
639  /* If the codec hasn't produced any frames, do not block so we
640  * can push data to it as fast as possible, and get the first
641  * frame */
642  output_dequeue_timeout_us = 0;
643  }
644 
645  index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
646  if (index >= 0) {
647  int ret;
648 
649  av_log(avctx, AV_LOG_DEBUG, "Got output buffer %zd"
650  " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
651  " flags=%" PRIu32 "\n", index, info.offset, info.size,
652  info.presentationTimeUs, info.flags);
653 
655  s->eos = 1;
656  }
657 
658  if (info.size) {
659  if (s->surface) {
660  if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
661  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
662  return ret;
663  }
664  } else {
665  data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
666  if (!data) {
667  av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
668  return AVERROR_EXTERNAL;
669  }
670 
671  if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
672  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
673  return ret;
674  }
675  }
676 
677  *got_frame = 1;
678  s->output_buffer_count++;
679  } else {
680  status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
681  if (status < 0) {
682  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
683  }
684  }
685 
686  } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
687  char *format = NULL;
688 
689  if (s->format) {
690  status = ff_AMediaFormat_delete(s->format);
691  if (status < 0) {
692  av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
693  }
694  }
695 
697  if (!s->format) {
698  av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
699  return AVERROR_EXTERNAL;
700  }
701 
702  format = ff_AMediaFormat_toString(s->format);
703  if (!format) {
704  return AVERROR_EXTERNAL;
705  }
706  av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
707  av_freep(&format);
708 
709  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
710  return ret;
711  }
712 
713  } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
715  } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
716  if (s->draining) {
717  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
718  "while draining remaining frames, output will probably lack frames\n",
719  output_dequeue_timeout_us / 1000);
720  } else {
721  av_log(avctx, AV_LOG_DEBUG, "No output buffer available, try again later\n");
722  }
723  } else {
724  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
725  return AVERROR_EXTERNAL;
726  }
727 
728  return offset;
729 }
730 
732 {
733  if (!s->surface || atomic_load(&s->refcount) == 1) {
734  int ret;
735 
736  /* No frames (holding a reference to the codec) are retained by the
737  * user, thus we can flush the codec and returns accordingly */
738  if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
739  return ret;
740  }
741 
742  return 1;
743  }
744 
745  s->flushing = 1;
746  return 0;
747 }
748 
750 {
752 
753  return 0;
754 }
755 
757 {
758  return s->flushing;
759 }
760 
762  .name = "mediacodec",
763  .type = AVMEDIA_TYPE_VIDEO,
764  .id = AV_CODEC_ID_H264,
765  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
766 };
767 
769  .name = "mediacodec",
770  .type = AVMEDIA_TYPE_VIDEO,
771  .id = AV_CODEC_ID_HEVC,
772  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
773 };
774 
776  .name = "mediacodec",
777  .type = AVMEDIA_TYPE_VIDEO,
779  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
780 };
781 
783  .name = "mediacodec",
784  .type = AVMEDIA_TYPE_VIDEO,
785  .id = AV_CODEC_ID_MPEG4,
786  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
787 };
788 
790  .name = "mediacodec",
791  .type = AVMEDIA_TYPE_VIDEO,
792  .id = AV_CODEC_ID_VP8,
793  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
794 };
795 
797  .name = "mediacodec",
798  .type = AVMEDIA_TYPE_VIDEO,
799  .id = AV_CODEC_ID_VP9,
800  .pix_fmt = AV_PIX_FMT_MEDIACODEC,
801 };
This structure holds a reference to a android/view/Surface object that will be used as output by the ...
Definition: mediacodec.h:33
#define NULL
Definition: coverity.c:32
int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
Select the (possibly hardware accelerated) pixel format.
Definition: decode.c:1184
AVHWAccel ff_mpeg2_mediacodec_hwaccel
int ff_mediacodec_dec_decode(AVCodecContext *avctx, MediaCodecDecContext *s, AVFrame *frame, int *got_frame, AVPacket *pkt)
const char * s
Definition: avisynth_c.h:768
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
Definition: buffer.c:125
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
AVHWAccel ff_vp8_mediacodec_hwaccel
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
char * ff_AMediaCodecList_getCodecNameByType(const char *mime, int profile, int encoder, void *log_ctx)
Memory handling functions.
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
Definition: utils.c:211
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:393
const char * desc
Definition: nvenc.c:60
AVHWAccel ff_mpeg4_mediacodec_hwaccel
FFAMediaCodec * ff_AMediaCodec_createCodecByName(const char *name)
void * ff_mediacodec_surface_ref(void *surface, void *log_ctx)
int num
Numerator.
Definition: rational.h:59
int size
Definition: avcodec.h:1680
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1989
void ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(AVCodecContext *avctx, MediaCodecDecContext *s, uint8_t *data, size_t size, FFAMediaCodecBufferInfo *info, AVFrame *frame)
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
static AVPacket pkt
void ff_mediacodec_sw_buffer_copy_yuv420_planar(AVCodecContext *avctx, MediaCodecDecContext *s, uint8_t *data, size_t size, FFAMediaCodecBufferInfo *info, AVFrame *frame)
The code handling the various YUV color formats is taken from the GStreamer project.
int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)
static const struct @93 color_formats[]
int ff_AMediaCodec_flush(FFAMediaCodec *codec)
int ff_AMediaCodec_releaseOutputBuffer(FFAMediaCodec *codec, size_t idx, int render)
uint8_t
AVHWAccel ff_vp9_mediacodec_hwaccel
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:3094
timestamp utils, mostly useful for debugging/logging purposes
int ff_AMediaCodec_infoOutputBuffersChanged(FFAMediaCodec *codec, ssize_t idx)
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
static AVFrame * frame
#define height
int ff_AMediaCodec_infoOutputFormatChanged(FFAMediaCodec *codec, ssize_t idx)
uint8_t * data
Definition: avcodec.h:1679
static int flags
Definition: log.c:57
#define AV_BUFFER_FLAG_READONLY
Always treat the buffer as read-only, even when it has only one reference.
Definition: buffer.h:113
char * ff_AMediaFormat_toString(FFAMediaFormat *format)
ptrdiff_t size
Definition: opengl_enc.c:101
int ff_mediacodec_surface_unref(void *surface, void *log_ctx)
int color_format
static void ff_mediacodec_dec_unref(MediaCodecDecContext *s)
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
enum AVPixelFormat pix_fmt
AVRational pkt_timebase
Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
Definition: avcodec.h:3474
int width
Definition: frame.h:259
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define atomic_load(object)
Definition: stdatomic.h:93
#define AVERROR(e)
Definition: error.h:43
int ff_mediacodec_dec_flush(AVCodecContext *avctx, MediaCodecDecContext *s)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
uint8_t * ff_AMediaCodec_getInputBuffer(FFAMediaCodec *codec, size_t idx, size_t *out_size)
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:90
uint16_t width
Definition: gdv.c:47
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
#define atomic_fetch_sub(object, operand)
Definition: stdatomic.h:137
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
#define fail()
Definition: checkasm.h:109
void ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(AVCodecContext *avctx, MediaCodecDecContext *s, uint8_t *data, size_t size, FFAMediaCodecBufferInfo *info, AVFrame *frame)
int ff_AMediaCodec_queueInputBuffer(FFAMediaCodec *codec, size_t idx, off_t offset, size_t size, uint64_t time, uint32_t flags)
const char * name
Name of the hardware accelerated codec.
Definition: avcodec.h:3873
#define FFMIN(a, b)
Definition: common.h:96
ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec *codec, FFAMediaCodecBufferInfo *info, int64_t timeoutUs)
int width
picture width / height.
Definition: avcodec.h:1948
void ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar_64x32Tile2m8ka(AVCodecContext *avctx, MediaCodecDecContext *s, uint8_t *data, size_t size, FFAMediaCodecBufferInfo *info, AVFrame *frame)
static int mediacodec_wrap_sw_buffer(AVCodecContext *avctx, MediaCodecDecContext *s, uint8_t *data, size_t size, ssize_t index, FFAMediaCodecBufferInfo *info, AVFrame *frame)
int ff_AMediaCodec_delete(FFAMediaCodec *codec)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
int ff_AMediaCodec_getBufferFlagEndOfStream(FFAMediaCodec *codec)
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
#define FF_ARRAY_ELEMS(a)
ssize_t ff_AMediaCodec_dequeueInputBuffer(FFAMediaCodec *codec, int64_t timeoutUs)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:274
int ff_AMediaFormat_getInt32(FFAMediaFormat *format, const char *name, int32_t *out)
#define atomic_fetch_add(object, operand)
Definition: stdatomic.h:131
#define INPUT_DEQUEUE_TIMEOUT_US
OMX.k3.video.decoder.avc, OMX.NVIDIA.
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
int ff_AMediaCodec_cleanOutputBuffers(FFAMediaCodec *codec)
int ff_AMediaCodec_start(FFAMediaCodec *codec)
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:232
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
main external API structure.
Definition: avcodec.h:1761
int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx)
The following API around MediaCodec and MediaFormat is based on the NDK one provided by Google since ...
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1669
static const char * format
Definition: movenc.c:47
int index
Definition: gxfenc.c:89
static void mediacodec_buffer_release(void *opaque, uint8_t *data)
int ff_AMediaCodec_infoTryAgainLater(FFAMediaCodec *codec, ssize_t idx)
AVHWAccel ff_h264_mediacodec_hwaccel
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
int ff_AMediaFormat_delete(FFAMediaFormat *format)
mfxU16 profile
Definition: qsvenc.c:44
#define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US
hardware decoding through MediaCodec
Definition: pixfmt.h:307
static int64_t pts
Global timestamp for the audio frames.
uint8_t * ff_AMediaCodec_getOutputBuffer(FFAMediaCodec *codec, size_t idx, size_t *out_size)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
attribute_deprecated int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:302
int64_t pkt_dts
DTS copied from the AVPacket that triggered returning this frame.
Definition: frame.h:310
int ff_AMediaCodec_configure(FFAMediaCodec *codec, const FFAMediaFormat *format, void *surface, void *crypto, uint32_t flags)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:83
common internal api header.
common internal and external API header
static void ff_mediacodec_dec_ref(MediaCodecDecContext *s)
int den
Denominator.
Definition: rational.h:60
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s, const char *mime, FFAMediaFormat *format)
static enum AVPixelFormat mcdec_map_color_format(AVCodecContext *avctx, MediaCodecDecContext *s, int color_format)
pixel format definitions
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecContext *s)
#define OUTPUT_DEQUEUE_TIMEOUT_US
FFAMediaFormat * ff_AMediaCodec_getOutputFormat(FFAMediaCodec *codec)
void * surface
android/view/Surface object reference.
Definition: mediacodec.h:38
AVHWAccel ff_hevc_mediacodec_hwaccel
int height
Definition: frame.h:259
#define atomic_init(obj, value)
Definition: stdatomic.h:33
#define av_freep(p)
static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx, MediaCodecDecContext *s, ssize_t index, FFAMediaCodecBufferInfo *info, AVFrame *frame)
enum AVPixelFormat pix_fmt
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
This structure stores compressed data.
Definition: avcodec.h:1656
static int mediacodec_dec_flush_codec(AVCodecContext *avctx, MediaCodecDecContext *s)
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1672
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
GLuint buffer
Definition: opengl_enc.c:102