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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) {
182  ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
183  }
184 
186  av_freep(&buffer);
187 }
188 
191  ssize_t index,
193  AVFrame *frame)
194 {
195  int ret = 0;
196  int status = 0;
197  AVMediaCodecBuffer *buffer = NULL;
198 
199  frame->buf[0] = NULL;
200  frame->width = avctx->width;
201  frame->height = avctx->height;
202  frame->format = avctx->pix_fmt;
203 
204  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
205  frame->pts = av_rescale_q(info->presentationTimeUs,
206  av_make_q(1, 1000000),
207  avctx->pkt_timebase);
208  } else {
209  frame->pts = info->presentationTimeUs;
210  }
211 #if FF_API_PKT_PTS
213  frame->pkt_pts = frame->pts;
215 #endif
216  frame->pkt_dts = AV_NOPTS_VALUE;
217 
218  buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
219  if (!buffer) {
220  ret = AVERROR(ENOMEM);
221  goto fail;
222  }
223 
224  atomic_init(&buffer->released, 0);
225 
226  frame->buf[0] = av_buffer_create(NULL,
227  0,
229  buffer,
231 
232  if (!frame->buf[0]) {
233  ret = AVERROR(ENOMEM);
234  goto fail;
235 
236  }
237 
238  buffer->ctx = s;
240 
241  buffer->index = index;
242  buffer->pts = info->presentationTimeUs;
243 
244  frame->data[3] = (uint8_t *)buffer;
245 
246  return 0;
247 fail:
248  av_freep(buffer);
249  av_buffer_unref(&frame->buf[0]);
250  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
251  if (status < 0) {
252  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
253  ret = AVERROR_EXTERNAL;
254  }
255 
256  return ret;
257 }
258 
261  uint8_t *data,
262  size_t size,
263  ssize_t index,
265  AVFrame *frame)
266 {
267  int ret = 0;
268  int status = 0;
269 
270  frame->width = avctx->width;
271  frame->height = avctx->height;
272  frame->format = avctx->pix_fmt;
273 
274  /* MediaCodec buffers needs to be copied to our own refcounted buffers
275  * because the flush command invalidates all input and output buffers.
276  */
277  if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
278  av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
279  goto done;
280  }
281 
282  /* Override frame->pkt_pts as ff_get_buffer will override its value based
283  * on the last avpacket received which is not in sync with the frame:
284  * * N avpackets can be pushed before 1 frame is actually returned
285  * * 0-sized avpackets are pushed to flush remaining frames at EOS */
286  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
287  frame->pts = av_rescale_q(info->presentationTimeUs,
288  av_make_q(1, 1000000),
289  avctx->pkt_timebase);
290  } else {
291  frame->pts = info->presentationTimeUs;
292  }
293 #if FF_API_PKT_PTS
295  frame->pkt_pts = frame->pts;
297 #endif
298  frame->pkt_dts = AV_NOPTS_VALUE;
299 
300  av_log(avctx, AV_LOG_DEBUG,
301  "Frame: width=%d stride=%d height=%d slice-height=%d "
302  "crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s\n"
303  "destination linesizes=%d,%d,%d\n" ,
304  avctx->width, s->stride, avctx->height, s->slice_height,
306  frame->linesize[0], frame->linesize[1], frame->linesize[2]);
307 
308  switch (s->color_format) {
310  ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
311  break;
315  ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
316  break;
319  ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
320  break;
323  break;
324  default:
325  av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
326  s->color_format, s->color_format);
327  ret = AVERROR(EINVAL);
328  goto done;
329  }
330 
331  ret = 0;
332 done:
333  status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
334  if (status < 0) {
335  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
336  ret = AVERROR_EXTERNAL;
337  }
338 
339  return ret;
340 }
341 
343 {
344  int width = 0;
345  int height = 0;
346  int32_t value = 0;
347  char *format = NULL;
348 
349  if (!s->format) {
350  av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
351  return AVERROR(EINVAL);
352  }
353 
354  format = ff_AMediaFormat_toString(s->format);
355  if (!format) {
356  return AVERROR_EXTERNAL;
357  }
358  av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
359  av_freep(&format);
360 
361  /* Mandatory fields */
362  if (!ff_AMediaFormat_getInt32(s->format, "width", &value)) {
363  format = ff_AMediaFormat_toString(s->format);
364  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "width", format);
365  av_freep(&format);
366  return AVERROR_EXTERNAL;
367  }
368  s->width = value;
369 
370  if (!ff_AMediaFormat_getInt32(s->format, "height", &value)) {
371  format = ff_AMediaFormat_toString(s->format);
372  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "height", format);
373  av_freep(&format);
374  return AVERROR_EXTERNAL;
375  }
376  s->height = value;
377 
378  if (!ff_AMediaFormat_getInt32(s->format, "stride", &value)) {
379  format = ff_AMediaFormat_toString(s->format);
380  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "stride", format);
381  av_freep(&format);
382  return AVERROR_EXTERNAL;
383  }
384  s->stride = value > 0 ? value : s->width;
385 
386  if (!ff_AMediaFormat_getInt32(s->format, "slice-height", &value)) {
387  format = ff_AMediaFormat_toString(s->format);
388  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "slice-height", format);
389  av_freep(&format);
390  return AVERROR_EXTERNAL;
391  }
392  s->slice_height = value > 0 ? value : s->height;
393 
394  if (strstr(s->codec_name, "OMX.Nvidia.")) {
395  s->slice_height = FFALIGN(s->height, 16);
396  } else if (strstr(s->codec_name, "OMX.SEC.avc.dec")) {
397  s->slice_height = avctx->height;
398  s->stride = avctx->width;
399  }
400 
401  if (!ff_AMediaFormat_getInt32(s->format, "color-format", &value)) {
402  format = ff_AMediaFormat_toString(s->format);
403  av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "color-format", format);
404  av_freep(&format);
405  return AVERROR_EXTERNAL;
406  }
407  s->color_format = value;
408 
409  s->pix_fmt = avctx->pix_fmt = mcdec_map_color_format(avctx, s, value);
410  if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
411  av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
412  return AVERROR(EINVAL);
413  }
414 
415  /* Optional fields */
416  if (ff_AMediaFormat_getInt32(s->format, "crop-top", &value))
417  s->crop_top = value;
418 
419  if (ff_AMediaFormat_getInt32(s->format, "crop-bottom", &value))
420  s->crop_bottom = value;
421 
422  if (ff_AMediaFormat_getInt32(s->format, "crop-left", &value))
423  s->crop_left = value;
424 
425  if (ff_AMediaFormat_getInt32(s->format, "crop-right", &value))
426  s->crop_right = value;
427 
428  width = s->crop_right + 1 - s->crop_left;
429  height = s->crop_bottom + 1 - s->crop_top;
430 
431  av_log(avctx, AV_LOG_INFO,
432  "Output crop parameters top=%d bottom=%d left=%d right=%d, "
433  "resulting dimensions width=%d height=%d\n",
434  s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
435  width, height);
436 
437  return ff_set_dimensions(avctx, width, height);
438 }
439 
440 
442 {
443  FFAMediaCodec *codec = s->codec;
444  int status;
445 
446  s->output_buffer_count = 0;
447 
448  s->draining = 0;
449  s->flushing = 0;
450  s->eos = 0;
451 
452  status = ff_AMediaCodec_flush(codec);
453  if (status < 0) {
454  av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
455  return AVERROR_EXTERNAL;
456  }
457 
458  return 0;
459 }
460 
462  const char *mime, FFAMediaFormat *format)
463 {
464  int ret = 0;
465  int status;
466  int profile;
467 
468  enum AVPixelFormat pix_fmt;
469  static const enum AVPixelFormat pix_fmts[] = {
472  };
473 
474  atomic_init(&s->refcount, 1);
475 
476  pix_fmt = ff_get_format(avctx, pix_fmts);
477  if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
478  AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
479 
480  if (avctx->hw_device_ctx) {
481  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)(avctx->hw_device_ctx->data);
482  if (device_ctx->type == AV_HWDEVICE_TYPE_MEDIACODEC) {
483  if (device_ctx->hwctx) {
484  AVMediaCodecDeviceContext *mediacodec_ctx = (AVMediaCodecDeviceContext *)device_ctx->hwctx;
485  s->surface = ff_mediacodec_surface_ref(mediacodec_ctx->surface, avctx);
486  av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
487  }
488  }
489  }
490 
491  if (!s->surface && user_ctx && user_ctx->surface) {
492  s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
493  av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
494  }
495  }
496 
498  if (profile < 0) {
499  av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile\n");
500  }
501 
502  s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
503  if (!s->codec_name) {
504  ret = AVERROR_EXTERNAL;
505  goto fail;
506  }
507 
508  av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
510  if (!s->codec) {
511  av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
512  ret = AVERROR_EXTERNAL;
513  goto fail;
514  }
515 
516  status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
517  if (status < 0) {
518  char *desc = ff_AMediaFormat_toString(format);
519  av_log(avctx, AV_LOG_ERROR,
520  "Failed to configure codec (status = %d) with format %s\n",
521  status, desc);
522  av_freep(&desc);
523 
524  ret = AVERROR_EXTERNAL;
525  goto fail;
526  }
527 
528  status = ff_AMediaCodec_start(s->codec);
529  if (status < 0) {
530  char *desc = ff_AMediaFormat_toString(format);
531  av_log(avctx, AV_LOG_ERROR,
532  "Failed to start codec (status = %d) with format %s\n",
533  status, desc);
534  av_freep(&desc);
535  ret = AVERROR_EXTERNAL;
536  goto fail;
537  }
538 
540  if (s->format) {
541  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
542  av_log(avctx, AV_LOG_ERROR,
543  "Failed to configure context\n");
544  goto fail;
545  }
546  }
547 
548  av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
549 
550  return 0;
551 
552 fail:
553  av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
554  ff_mediacodec_dec_close(avctx, s);
555  return ret;
556 }
557 
559  AVFrame *frame, int *got_frame,
560  AVPacket *pkt)
561 {
562  int ret;
563  int offset = 0;
564  int need_draining = 0;
565  uint8_t *data;
566  ssize_t index;
567  size_t size;
568  FFAMediaCodec *codec = s->codec;
569  FFAMediaCodecBufferInfo info = { 0 };
570 
571  int status;
572 
573  int64_t input_dequeue_timeout_us = INPUT_DEQUEUE_TIMEOUT_US;
574  int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
575 
576  if (s->flushing) {
577  av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
578  "until all output buffers have been released\n");
579  return AVERROR_EXTERNAL;
580  }
581 
582  if (pkt->size == 0) {
583  need_draining = 1;
584  }
585 
586  if (s->draining && s->eos) {
587  return 0;
588  }
589 
590  while (offset < pkt->size || (need_draining && !s->draining)) {
591 
592  index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
593  if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
594  break;
595  }
596 
597  if (index < 0) {
598  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
599  return AVERROR_EXTERNAL;
600  }
601 
602  data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
603  if (!data) {
604  av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
605  return AVERROR_EXTERNAL;
606  }
607 
608  if (need_draining) {
609  int64_t pts = pkt->pts;
611 
612  if (s->surface) {
613  pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
614  }
615 
616  av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
617 
618  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
619  if (status < 0) {
620  av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
621  return AVERROR_EXTERNAL;
622  }
623 
624  s->draining = 1;
625  break;
626  } else {
627  int64_t pts = pkt->pts;
628 
629  size = FFMIN(pkt->size - offset, size);
630 
631  memcpy(data, pkt->data + offset, size);
632  offset += size;
633 
634  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
635  pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
636  }
637 
638  status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
639  if (status < 0) {
640  av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
641  return AVERROR_EXTERNAL;
642  }
643  }
644  }
645 
646  if (need_draining || s->draining) {
647  /* If the codec is flushing or need to be flushed, block for a fair
648  * amount of time to ensure we got a frame */
649  output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
650  } else if (s->output_buffer_count == 0) {
651  /* If the codec hasn't produced any frames, do not block so we
652  * can push data to it as fast as possible, and get the first
653  * frame */
654  output_dequeue_timeout_us = 0;
655  }
656 
657  index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
658  if (index >= 0) {
659  int ret;
660 
661  av_log(avctx, AV_LOG_DEBUG, "Got output buffer %zd"
662  " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
663  " flags=%" PRIu32 "\n", index, info.offset, info.size,
664  info.presentationTimeUs, info.flags);
665 
667  s->eos = 1;
668  }
669 
670  if (info.size) {
671  if (s->surface) {
672  if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
673  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
674  return ret;
675  }
676  } else {
677  data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
678  if (!data) {
679  av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
680  return AVERROR_EXTERNAL;
681  }
682 
683  if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
684  av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
685  return ret;
686  }
687  }
688 
689  *got_frame = 1;
690  s->output_buffer_count++;
691  } else {
692  status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
693  if (status < 0) {
694  av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
695  }
696  }
697 
698  } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
699  char *format = NULL;
700 
701  if (s->format) {
702  status = ff_AMediaFormat_delete(s->format);
703  if (status < 0) {
704  av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
705  }
706  }
707 
709  if (!s->format) {
710  av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
711  return AVERROR_EXTERNAL;
712  }
713 
714  format = ff_AMediaFormat_toString(s->format);
715  if (!format) {
716  return AVERROR_EXTERNAL;
717  }
718  av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
719  av_freep(&format);
720 
721  if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
722  return ret;
723  }
724 
725  } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
727  } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
728  if (s->draining) {
729  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
730  "while draining remaining frames, output will probably lack frames\n",
731  output_dequeue_timeout_us / 1000);
732  } else {
733  av_log(avctx, AV_LOG_DEBUG, "No output buffer available, try again later\n");
734  }
735  } else {
736  av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
737  return AVERROR_EXTERNAL;
738  }
739 
740  return offset;
741 }
742 
744 {
745  if (!s->surface || atomic_load(&s->refcount) == 1) {
746  int ret;
747 
748  /* No frames (holding a reference to the codec) are retained by the
749  * user, thus we can flush the codec and returns accordingly */
750  if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
751  return ret;
752  }
753 
754  return 1;
755  }
756 
757  s->flushing = 1;
758  return 0;
759 }
760 
762 {
764 
765  return 0;
766 }
767 
769 {
770  return s->flushing;
771 }
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:1288
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
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:196
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:393
const char * desc
Definition: nvenc.c:63
void * ff_mediacodec_surface_ref(void *surface, void *log_ctx)
int num
Numerator.
Definition: rational.h:59
int size
Definition: avcodec.h:1415
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1711
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_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:2670
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
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:1414
static int flags
Definition: log.c:57
static const struct @107 color_formats[]
#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:3026
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:85
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
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:113
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)
int width
picture width / height.
Definition: avcodec.h:1674
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)
#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: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:1502
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 ...
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1886
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)
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:289
static int64_t pts
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: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
#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: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
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3220
#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:1391
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:1407
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
GLuint buffer
Definition: opengl_enc.c:102