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mediacodecdec_common.c
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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"
28 #include "libavutil/mem.h"
29 #include "libavutil/log.h"
30 #include "libavutil/pixfmt.h"
31 #include "libavutil/time.h"
32 #include "libavutil/timestamp.h"
33 
34 #include "avcodec.h"
35 #include "internal.h"
36 
37 #include "mediacodec.h"
38 #include "mediacodec_surface.h"
39 #include "mediacodec_sw_buffer.h"
40 #include "mediacodec_wrapper.h"
41 #include "mediacodecdec_common.h"
42 
43 /**
44  * OMX.k3.video.decoder.avc, OMX.NVIDIA.* OMX.SEC.avc.dec and OMX.google
45  * codec workarounds used in various place are taken from the Gstreamer
46  * project.
47  *
48  * Gstreamer references:
49  * https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/androidmedia/
50  *
51  * Gstreamer copyright notice:
52  *
53  * Copyright (C) 2012, Collabora Ltd.
54  * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
55  *
56  * Copyright (C) 2012, Rafaël Carré <funman@videolanorg>
57  *
58  * Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
59  *
60  * Copyright (C) 2014-2015, Collabora Ltd.
61  * Author: Matthieu Bouron <matthieu.bouron@gcollabora.com>
62  *
63  * Copyright (C) 2015, Edward Hervey
64  * Author: Edward Hervey <bilboed@gmail.com>
65  *
66  * Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
67  *
68  * This library is free software; you can redistribute it and/or
69  * modify it under the terms of the GNU Lesser General Public
70  * License as published by the Free Software Foundation
71  * version 2.1 of the License.
72  *
73  * This library is distributed in the hope that it will be useful,
74  * but WITHOUT ANY WARRANTY; without even the implied warranty of
75  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
76  * Lesser General Public License for more details.
77  *
78  * You should have received a copy of the GNU Lesser General Public
79  * License along with this library; if not, write to the Free Software
80  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
81  *
82  */
83 
84 #define INPUT_DEQUEUE_TIMEOUT_US 8000
85 #define OUTPUT_DEQUEUE_TIMEOUT_US 8000
86 #define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
87 
88 enum {
98 };
99 
100 static const struct {
101 
104 
105 } color_formats[] = {
106 
114  { 0 }
115 };
116 
119  int color_format)
120 {
121  int i;
122  enum AVPixelFormat ret = AV_PIX_FMT_NONE;
123 
124  if (s->surface) {
125  return AV_PIX_FMT_MEDIACODEC;
126  }
127 
128  if (!strcmp(s->codec_name, "OMX.k3.video.decoder.avc") && color_format == COLOR_FormatYCbYCr) {
130  }
131 
132  for (i = 0; i < FF_ARRAY_ELEMS(color_formats); i++) {
133  if (color_formats[i].color_format == color_format) {
134  return color_formats[i].pix_fmt;
135  }
136  }
137 
138  av_log(avctx, AV_LOG_ERROR, "Output color format 0x%x (value=%d) is not supported\n",
139  color_format, color_format);
140 
141  return ret;
142 }
143 
145 {
146  atomic_fetch_add(&s->refcount, 1);
147 }
148 
150 {
151  if (!s)
152  return;
153 
154  if (atomic_fetch_sub(&s->refcount, 1) == 1) {
155  if (s->codec) {
157  s->codec = NULL;
158  }
159 
160  if (s->format) {
162  s->format = NULL;
163  }
164 
165  if (s->surface) {
167  s->surface = NULL;
168  }
169 
170  av_freep(&s->codec_name);
171  av_freep(&s);
172  }
173 }
174 
175 static void mediacodec_buffer_release(void *opaque, uint8_t *data)
176 {
177  AVMediaCodecBuffer *buffer = opaque;
178  MediaCodecDecContext *ctx = buffer->ctx;
179  int released = atomic_load(&buffer->released);
180 
181  if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
183  av_log(ctx->avctx, AV_LOG_DEBUG,
184  "Releasing output buffer %zd (%p) ts=%"PRId64" on free() [%d pending]\n",
185  buffer->index, buffer, buffer->pts, atomic_load(&ctx->hw_buffer_count));
186  ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
187  }
188 
189  if (ctx->delay_flush)
191  av_freep(&buffer);
192 }
193 
196  ssize_t index,
198  AVFrame *frame)
199 {
200  int ret = 0;
201  int status = 0;
202  AVMediaCodecBuffer *buffer = NULL;
203 
204  frame->buf[0] = NULL;
205  frame->width = avctx->width;
206  frame->height = avctx->height;
207  frame->format = avctx->pix_fmt;
209 
210  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
211  frame->pts = av_rescale_q(info->presentationTimeUs,
213  avctx->pkt_timebase);
214  } else {
215  frame->pts = info->presentationTimeUs;
216  }
217 #if FF_API_PKT_PTS
219  frame->pkt_pts = frame->pts;
221 #endif
222  frame->pkt_dts = AV_NOPTS_VALUE;
223 
224  buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
225  if (!buffer) {
226  ret = AVERROR(ENOMEM);
227  goto fail;
228  }
229 
230  atomic_init(&buffer->released, 0);
231 
232  frame->buf[0] = av_buffer_create(NULL,
233  0,
235  buffer,
237 
238  if (!frame->buf[0]) {
239  ret = AVERROR(ENOMEM);
240  goto fail;
241 
242  }
243 
244  buffer->ctx = s;
245  buffer->serial = atomic_load(&s->serial);
246  if (s->delay_flush)
248 
249  buffer->index = index;
250  buffer->pts = info->presentationTimeUs;
251 
252  frame->data[3] = (uint8_t *)buffer;
253 
255  av_log(avctx, AV_LOG_DEBUG,
256  "Wrapping output buffer %zd (%p) ts=%"PRId64" [%d pending]\n",
257  buffer->index, buffer, buffer->pts, atomic_load(&s->hw_buffer_count));
258 
259  return 0;
260 fail:
261  av_freep(buffer);
262  av_buffer_unref(&frame->buf[0]);
263  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
264  if (status < 0) {
265  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
266  ret = AVERROR_EXTERNAL;
267  }
268 
269  return ret;
270 }
271 
274  uint8_t *data,
275  size_t size,
276  ssize_t index,
278  AVFrame *frame)
279 {
280  int ret = 0;
281  int status = 0;
282 
283  frame->width = avctx->width;
284  frame->height = avctx->height;
285  frame->format = avctx->pix_fmt;
286 
287  /* MediaCodec buffers needs to be copied to our own refcounted buffers
288  * because the flush command invalidates all input and output buffers.
289  */
290  if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
291  av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
292  goto done;
293  }
294 
295  /* Override frame->pkt_pts as ff_get_buffer will override its value based
296  * on the last avpacket received which is not in sync with the frame:
297  * * N avpackets can be pushed before 1 frame is actually returned
298  * * 0-sized avpackets are pushed to flush remaining frames at EOS */
299  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
300  frame->pts = av_rescale_q(info->presentationTimeUs,
302  avctx->pkt_timebase);
303  } else {
304  frame->pts = info->presentationTimeUs;
305  }
306 #if FF_API_PKT_PTS
308  frame->pkt_pts = frame->pts;
310 #endif
311  frame->pkt_dts = AV_NOPTS_VALUE;
312 
313  av_log(avctx, AV_LOG_TRACE,
314  "Frame: width=%d stride=%d height=%d slice-height=%d "
315  "crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s "
316  "destination linesizes=%d,%d,%d\n" ,
317  avctx->width, s->stride, avctx->height, s->slice_height,
319  frame->linesize[0], frame->linesize[1], frame->linesize[2]);
320 
321  switch (s->color_format) {
323  ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
324  break;
328  ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
329  break;
332  ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
333  break;
336  break;
337  default:
338  av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
339  s->color_format, s->color_format);
340  ret = AVERROR(EINVAL);
341  goto done;
342  }
343 
344  ret = 0;
345 done:
346  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
347  if (status < 0) {
348  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
349  ret = AVERROR_EXTERNAL;
350  }
351 
352  return ret;
353 }
354 
355 #define AMEDIAFORMAT_GET_INT32(name, key, mandatory) do { \
356  int32_t value = 0; \
357  if (ff_AMediaFormat_getInt32(s->format, key, &value)) { \
358  (name) = value; \
359  } else if (mandatory) { \
360  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", key, format); \
361  ret = AVERROR_EXTERNAL; \
362  goto fail; \
363  } \
364 } while (0) \
365 
367 {
368  int ret = 0;
369  int width = 0;
370  int height = 0;
371  char *format = NULL;
372 
373  if (!s->format) {
374  av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
375  return AVERROR(EINVAL);
376  }
377 
378  format = ff_AMediaFormat_toString(s->format);
379  if (!format) {
380  return AVERROR_EXTERNAL;
381  }
382  av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
383 
384  /* Mandatory fields */
385  AMEDIAFORMAT_GET_INT32(s->width, "width", 1);
386  AMEDIAFORMAT_GET_INT32(s->height, "height", 1);
387 
388  AMEDIAFORMAT_GET_INT32(s->stride, "stride", 0);
389  s->stride = s->stride > 0 ? s->stride : s->width;
390 
391  AMEDIAFORMAT_GET_INT32(s->slice_height, "slice-height", 0);
392 
393  if (strstr(s->codec_name, "OMX.Nvidia.") && s->slice_height == 0) {
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  } else if (s->slice_height == 0) {
399  s->slice_height = s->height;
400  }
401 
402  AMEDIAFORMAT_GET_INT32(s->color_format, "color-format", 1);
403  avctx->pix_fmt = mcdec_map_color_format(avctx, s, s->color_format);
404  if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
405  av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
406  ret = AVERROR(EINVAL);
407  goto fail;
408  }
409 
410  /* Optional fields */
411  AMEDIAFORMAT_GET_INT32(s->crop_top, "crop-top", 0);
412  AMEDIAFORMAT_GET_INT32(s->crop_bottom, "crop-bottom", 0);
413  AMEDIAFORMAT_GET_INT32(s->crop_left, "crop-left", 0);
414  AMEDIAFORMAT_GET_INT32(s->crop_right, "crop-right", 0);
415 
416  width = s->crop_right + 1 - s->crop_left;
417  height = s->crop_bottom + 1 - s->crop_top;
418 
419  AMEDIAFORMAT_GET_INT32(s->display_width, "display-width", 0);
420  AMEDIAFORMAT_GET_INT32(s->display_height, "display-height", 0);
421 
422  if (s->display_width && s->display_height) {
423  AVRational sar = av_div_q(
425  (AVRational){ width, height });
426  ff_set_sar(avctx, sar);
427  }
428 
429  av_log(avctx, AV_LOG_INFO,
430  "Output crop parameters top=%d bottom=%d left=%d right=%d, "
431  "resulting dimensions width=%d height=%d\n",
432  s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
433  width, height);
434 
435  av_freep(&format);
436  return ff_set_dimensions(avctx, width, height);
437 fail:
438  av_freep(&format);
439  return ret;
440 }
441 
443 {
444  FFAMediaCodec *codec = s->codec;
445  int status;
446 
447  s->output_buffer_count = 0;
448 
449  s->draining = 0;
450  s->flushing = 0;
451  s->eos = 0;
452  atomic_fetch_add(&s->serial, 1);
454  s->current_input_buffer = -1;
455 
456  status = ff_AMediaCodec_flush(codec);
457  if (status < 0) {
458  av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
459  return AVERROR_EXTERNAL;
460  }
461 
462  return 0;
463 }
464 
466  const char *mime, FFAMediaFormat *format)
467 {
468  int ret = 0;
469  int status;
470  int profile;
471 
472  enum AVPixelFormat pix_fmt;
473  static const enum AVPixelFormat pix_fmts[] = {
476  };
477 
478  s->avctx = avctx;
479  atomic_init(&s->refcount, 1);
481  atomic_init(&s->serial, 1);
482  s->current_input_buffer = -1;
483 
484  pix_fmt = ff_get_format(avctx, pix_fmts);
485  if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
486  AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
487 
488  if (avctx->hw_device_ctx) {
489  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)(avctx->hw_device_ctx->data);
490  if (device_ctx->type == AV_HWDEVICE_TYPE_MEDIACODEC) {
491  if (device_ctx->hwctx) {
492  AVMediaCodecDeviceContext *mediacodec_ctx = (AVMediaCodecDeviceContext *)device_ctx->hwctx;
493  s->surface = ff_mediacodec_surface_ref(mediacodec_ctx->surface, avctx);
494  av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
495  }
496  }
497  }
498 
499  if (!s->surface && user_ctx && user_ctx->surface) {
500  s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
501  av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
502  }
503  }
504 
506  if (profile < 0) {
507  av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile\n");
508  }
509 
510  s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
511  if (!s->codec_name) {
512  ret = AVERROR_EXTERNAL;
513  goto fail;
514  }
515 
516  av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
518  if (!s->codec) {
519  av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
520  ret = AVERROR_EXTERNAL;
521  goto fail;
522  }
523 
524  status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
525  if (status < 0) {
526  char *desc = ff_AMediaFormat_toString(format);
527  av_log(avctx, AV_LOG_ERROR,
528  "Failed to configure codec (status = %d) with format %s\n",
529  status, desc);
530  av_freep(&desc);
531 
532  ret = AVERROR_EXTERNAL;
533  goto fail;
534  }
535 
536  status = ff_AMediaCodec_start(s->codec);
537  if (status < 0) {
538  char *desc = ff_AMediaFormat_toString(format);
539  av_log(avctx, AV_LOG_ERROR,
540  "Failed to start codec (status = %d) with format %s\n",
541  status, desc);
542  av_freep(&desc);
543  ret = AVERROR_EXTERNAL;
544  goto fail;
545  }
546 
548  if (s->format) {
549  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
550  av_log(avctx, AV_LOG_ERROR,
551  "Failed to configure context\n");
552  goto fail;
553  }
554  }
555 
556  av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
557 
558  return 0;
559 
560 fail:
561  av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
562  ff_mediacodec_dec_close(avctx, s);
563  return ret;
564 }
565 
567  AVPacket *pkt, bool wait)
568 {
569  int offset = 0;
570  int need_draining = 0;
571  uint8_t *data;
572  ssize_t index = s->current_input_buffer;
573  size_t size;
574  FFAMediaCodec *codec = s->codec;
575  int status;
576  int64_t input_dequeue_timeout_us = wait ? INPUT_DEQUEUE_TIMEOUT_US : 0;
577  int64_t pts;
578 
579  if (s->flushing) {
580  av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
581  "until all output buffers have been released\n");
582  return AVERROR_EXTERNAL;
583  }
584 
585  if (pkt->size == 0) {
586  need_draining = 1;
587  }
588 
589  if (s->draining && s->eos) {
590  return AVERROR_EOF;
591  }
592 
593  while (offset < pkt->size || (need_draining && !s->draining)) {
594  if (index < 0) {
595  index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
596  if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
597  av_log(avctx, AV_LOG_TRACE, "No input buffer available, try again later\n");
598  break;
599  }
600 
601  if (index < 0) {
602  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
603  return AVERROR_EXTERNAL;
604  }
605  }
606  s->current_input_buffer = -1;
607 
608  data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
609  if (!data) {
610  av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
611  return AVERROR_EXTERNAL;
612  }
613 
614  pts = pkt->pts;
615  if (pts != AV_NOPTS_VALUE && avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
616  pts = av_rescale_q(pts, avctx->pkt_timebase, AV_TIME_BASE_Q);
617  }
618 
619  if (need_draining) {
621 
622  av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
623 
624  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
625  if (status < 0) {
626  av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
627  return AVERROR_EXTERNAL;
628  }
629 
630  av_log(avctx, AV_LOG_TRACE,
631  "Queued input buffer %zd size=%zd ts=%"PRIi64"\n", index, size, pts);
632 
633  s->draining = 1;
634  break;
635  } else {
636  size = FFMIN(pkt->size - offset, size);
637  memcpy(data, pkt->data + offset, size);
638  offset += size;
639 
640  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
641  if (status < 0) {
642  av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
643  return AVERROR_EXTERNAL;
644  }
645 
646  av_log(avctx, AV_LOG_TRACE,
647  "Queued input buffer %zd size=%zd ts=%"PRIi64"\n", index, size, pts);
648  }
649  }
650 
651  if (offset == 0)
652  return AVERROR(EAGAIN);
653  return offset;
654 }
655 
657  AVFrame *frame, bool wait)
658 {
659  int ret;
660  uint8_t *data;
661  ssize_t index;
662  size_t size;
663  FFAMediaCodec *codec = s->codec;
664  FFAMediaCodecBufferInfo info = { 0 };
665  int status;
666  int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
667 
668  if (s->draining && s->eos) {
669  return AVERROR_EOF;
670  }
671 
672  if (s->draining) {
673  /* If the codec is flushing or need to be flushed, block for a fair
674  * amount of time to ensure we got a frame */
675  output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
676  } else if (s->output_buffer_count == 0 || !wait) {
677  /* If the codec hasn't produced any frames, do not block so we
678  * can push data to it as fast as possible, and get the first
679  * frame */
680  output_dequeue_timeout_us = 0;
681  }
682 
683  index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
684  if (index >= 0) {
685  av_log(avctx, AV_LOG_TRACE, "Got output buffer %zd"
686  " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
687  " flags=%" PRIu32 "\n", index, info.offset, info.size,
688  info.presentationTimeUs, info.flags);
689 
691  s->eos = 1;
692  }
693 
694  if (info.size) {
695  if (s->surface) {
696  if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
697  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
698  return ret;
699  }
700  } else {
701  data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
702  if (!data) {
703  av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
704  return AVERROR_EXTERNAL;
705  }
706 
707  if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
708  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
709  return ret;
710  }
711  }
712 
713  s->output_buffer_count++;
714  return 0;
715  } else {
716  status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
717  if (status < 0) {
718  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
719  }
720  }
721 
722  } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
723  char *format = NULL;
724 
725  if (s->format) {
726  status = ff_AMediaFormat_delete(s->format);
727  if (status < 0) {
728  av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
729  }
730  }
731 
733  if (!s->format) {
734  av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
735  return AVERROR_EXTERNAL;
736  }
737 
738  format = ff_AMediaFormat_toString(s->format);
739  if (!format) {
740  return AVERROR_EXTERNAL;
741  }
742  av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
743  av_freep(&format);
744 
745  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
746  return ret;
747  }
748 
749  } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
751  } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
752  if (s->draining) {
753  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
754  "while draining remaining frames, output will probably lack frames\n",
755  output_dequeue_timeout_us / 1000);
756  } else {
757  av_log(avctx, AV_LOG_TRACE, "No output buffer available, try again later\n");
758  }
759  } else {
760  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
761  return AVERROR_EXTERNAL;
762  }
763 
764  return AVERROR(EAGAIN);
765 }
766 
767 /*
768 * ff_mediacodec_dec_flush returns 0 if the flush cannot be performed on
769 * the codec (because the user retains frames). The codec stays in the
770 * flushing state.
771 *
772 * ff_mediacodec_dec_flush returns 1 if the flush can actually be
773 * performed on the codec. The codec leaves the flushing state and can
774 * process again packets.
775 *
776 * ff_mediacodec_dec_flush returns a negative value if an error has
777 * occurred.
778 */
780 {
781  if (!s->surface || atomic_load(&s->refcount) == 1) {
782  int ret;
783 
784  /* No frames (holding a reference to the codec) are retained by the
785  * user, thus we can flush the codec and returns accordingly */
786  if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
787  return ret;
788  }
789 
790  return 1;
791  }
792 
793  s->flushing = 1;
794  return 0;
795 }
796 
798 {
800 
801  return 0;
802 }
803 
805 {
806  return s->flushing;
807 }
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
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:1330
#define AMEDIAFORMAT_GET_INT32(name, key, mandatory)
AVRational av_div_q(AVRational b, AVRational c)
Divide one rational by another.
Definition: rational.c:88
static const char * format[]
Definition: af_aiir.c:330
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:218
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:104
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:410
const char * desc
Definition: nvenc.c:65
void * ff_mediacodec_surface_ref(void *surface, void *log_ctx)
int num
Numerator.
Definition: rational.h:59
int size
Definition: avcodec.h:1445
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
Definition: avcodec.h:1911
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1742
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:236
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_send(AVCodecContext *avctx, MediaCodecDecContext *s, AVPacket *pkt, bool wait)
int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)
int ff_AMediaCodec_flush(FFAMediaCodec *codec)
int ff_AMediaCodec_releaseOutputBuffer(FFAMediaCodec *codec, size_t idx, int render)
uint8_t
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2701
timestamp utils, mostly useful for debugging/logging purposes
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
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:311
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:91
void * surface
android/view/Surface handle, to be filled by the user.
#define height
int ff_AMediaCodec_infoOutputFormatChanged(FFAMediaCodec *codec, ssize_t idx)
uint8_t * data
Definition: avcodec.h:1444
int ff_set_sar(AVCodecContext *avctx, AVRational sar)
Check that the provided sample aspect ratio is valid and set it on the codec context.
Definition: utils.c:119
#define AVERROR_EOF
End of file.
Definition: error.h:55
#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
AVRational pkt_timebase
Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
Definition: avcodec.h:3069
int width
Definition: frame.h:276
#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:89
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
enum AVHWDeviceType type
This field identifies the underlying API used for hardware access.
Definition: hwcontext.h:78
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
#define fail()
Definition: checkasm.h:117
int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s, AVFrame *frame, bool wait)
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)
#define FFMIN(a, b)
Definition: common.h:96
ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec *codec, FFAMediaCodecBufferInfo *info, int64_t timeoutUs)
#define width
int width
picture width / height.
Definition: avcodec.h:1705
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)
AVFormatContext * ctx
Definition: movenc.c:48
int ff_AMediaCodec_getBufferFlagEndOfStream(FFAMediaCodec *codec)
#define s(width, name)
Definition: cbs_vp9.c:257
#define FF_ARRAY_ELEMS(a)
ssize_t ff_AMediaCodec_dequeueInputBuffer(FFAMediaCodec *codec, int64_t timeoutUs)
FFAMediaCodec * ff_AMediaCodec_createCodecByName(const char *name)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:291
#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.
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:260
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:249
main external API structure.
Definition: avcodec.h:1532
uint8_t * data
The data buffer.
Definition: buffer.h:89
int ff_AMediaCodecProfile_getProfileFromAVCodecContext(AVCodecContext *avctx)
The following API around MediaCodec and MediaFormat is based on the NDK one provided by Google since ...
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:306
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1922
int index
Definition: gxfenc.c:89
Rational number (pair of numerator and denominator).
Definition: rational.h:58
static void mediacodec_buffer_release(void *opaque, uint8_t *data)
int ff_AMediaCodec_infoTryAgainLater(FFAMediaCodec *codec, ssize_t idx)
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:293
static int64_t pts
#define flags(name, subs,...)
Definition: cbs_av1.c:596
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:232
attribute_deprecated int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:319
int64_t pkt_dts
DTS copied from the AVPacket that triggered returning this frame.
Definition: frame.h:327
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:66
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
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
static const struct @116 color_formats[]
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
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
int height
Definition: frame.h:276
#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
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3264
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1421
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:1437
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
GLuint buffer
Definition: opengl_enc.c:102