FFmpeg  4.0
mediacodecdec.c
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1 /*
2  * Android MediaCodec MPEG-2 / H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
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 <stdint.h>
24 #include <string.h>
25 
26 #include "libavutil/avassert.h"
27 #include "libavutil/common.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/intreadwrite.h"
30 #include "libavutil/pixfmt.h"
31 #include "libavutil/internal.h"
32 
33 #include "avcodec.h"
34 #include "decode.h"
35 #include "h264_parse.h"
36 #include "hevc_parse.h"
37 #include "hwaccel.h"
38 #include "internal.h"
39 #include "mediacodec_wrapper.h"
40 #include "mediacodecdec_common.h"
41 
42 typedef struct MediaCodecH264DecContext {
43 
45 
47 
49 
51 
53 
55 {
57 
58  ff_mediacodec_dec_close(avctx, s->ctx);
59  s->ctx = NULL;
60 
62 
63  return 0;
64 }
65 
66 #if CONFIG_H264_MEDIACODEC_DECODER || CONFIG_HEVC_MEDIACODEC_DECODER
67 static int h2645_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int *out_size)
68 {
69  int i;
70  int ret = 0;
71  uint8_t *p = NULL;
72  static const uint8_t nalu_header[] = { 0x00, 0x00, 0x00, 0x01 };
73 
74  if (!out || !out_size) {
75  return AVERROR(EINVAL);
76  }
77 
78  p = av_malloc(sizeof(nalu_header) + src_size);
79  if (!p) {
80  return AVERROR(ENOMEM);
81  }
82 
83  *out = p;
84  *out_size = sizeof(nalu_header) + src_size;
85 
86  memcpy(p, nalu_header, sizeof(nalu_header));
87  memcpy(p + sizeof(nalu_header), src, src_size);
88 
89  /* Escape 0x00, 0x00, 0x0{0-3} pattern */
90  for (i = 4; i < *out_size; i++) {
91  if (i < *out_size - 3 &&
92  p[i + 0] == 0 &&
93  p[i + 1] == 0 &&
94  p[i + 2] <= 3) {
95  uint8_t *new;
96 
97  *out_size += 1;
98  new = av_realloc(*out, *out_size);
99  if (!new) {
100  ret = AVERROR(ENOMEM);
101  goto done;
102  }
103  *out = p = new;
104 
105  i = i + 2;
106  memmove(p + i + 1, p + i, *out_size - (i + 1));
107  p[i] = 0x03;
108  }
109  }
110 done:
111  if (ret < 0) {
112  av_freep(out);
113  *out_size = 0;
114  }
115 
116  return ret;
117 }
118 #endif
119 
120 #if CONFIG_H264_MEDIACODEC_DECODER
121 static int h264_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
122 {
123  int i;
124  int ret;
125 
126  H264ParamSets ps;
127  const PPS *pps = NULL;
128  const SPS *sps = NULL;
129  int is_avc = 0;
130  int nal_length_size = 0;
131 
132  memset(&ps, 0, sizeof(ps));
133 
135  &ps, &is_avc, &nal_length_size, 0, avctx);
136  if (ret < 0) {
137  goto done;
138  }
139 
140  for (i = 0; i < MAX_PPS_COUNT; i++) {
141  if (ps.pps_list[i]) {
142  pps = (const PPS*)ps.pps_list[i]->data;
143  break;
144  }
145  }
146 
147  if (pps) {
148  if (ps.sps_list[pps->sps_id]) {
149  sps = (const SPS*)ps.sps_list[pps->sps_id]->data;
150  }
151  }
152 
153  if (pps && sps) {
154  uint8_t *data = NULL;
155  int data_size = 0;
156 
157  if ((ret = h2645_ps_to_nalu(sps->data, sps->data_size, &data, &data_size)) < 0) {
158  goto done;
159  }
160  ff_AMediaFormat_setBuffer(format, "csd-0", (void*)data, data_size);
161  av_freep(&data);
162 
163  if ((ret = h2645_ps_to_nalu(pps->data, pps->data_size, &data, &data_size)) < 0) {
164  goto done;
165  }
166  ff_AMediaFormat_setBuffer(format, "csd-1", (void*)data, data_size);
167  av_freep(&data);
168  } else {
169  av_log(avctx, AV_LOG_ERROR, "Could not extract PPS/SPS from extradata");
170  ret = AVERROR_INVALIDDATA;
171  }
172 
173 done:
174  ff_h264_ps_uninit(&ps);
175 
176  return ret;
177 }
178 #endif
179 
180 #if CONFIG_HEVC_MEDIACODEC_DECODER
181 static int hevc_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
182 {
183  int i;
184  int ret;
185 
186  HEVCParamSets ps;
187  HEVCSEI sei;
188 
189  const HEVCVPS *vps = NULL;
190  const HEVCPPS *pps = NULL;
191  const HEVCSPS *sps = NULL;
192  int is_nalff = 0;
193  int nal_length_size = 0;
194 
195  uint8_t *vps_data = NULL;
196  uint8_t *sps_data = NULL;
197  uint8_t *pps_data = NULL;
198  int vps_data_size = 0;
199  int sps_data_size = 0;
200  int pps_data_size = 0;
201 
202  memset(&ps, 0, sizeof(ps));
203  memset(&sei, 0, sizeof(sei));
204 
206  &ps, &sei, &is_nalff, &nal_length_size, 0, 1, avctx);
207  if (ret < 0) {
208  goto done;
209  }
210 
211  for (i = 0; i < HEVC_MAX_VPS_COUNT; i++) {
212  if (ps.vps_list[i]) {
213  vps = (const HEVCVPS*)ps.vps_list[i]->data;
214  break;
215  }
216  }
217 
218  for (i = 0; i < HEVC_MAX_PPS_COUNT; i++) {
219  if (ps.pps_list[i]) {
220  pps = (const HEVCPPS*)ps.pps_list[i]->data;
221  break;
222  }
223  }
224 
225  if (pps) {
226  if (ps.sps_list[pps->sps_id]) {
227  sps = (const HEVCSPS*)ps.sps_list[pps->sps_id]->data;
228  }
229  }
230 
231  if (vps && pps && sps) {
232  uint8_t *data;
233  int data_size;
234 
235  if ((ret = h2645_ps_to_nalu(vps->data, vps->data_size, &vps_data, &vps_data_size)) < 0 ||
236  (ret = h2645_ps_to_nalu(sps->data, sps->data_size, &sps_data, &sps_data_size)) < 0 ||
237  (ret = h2645_ps_to_nalu(pps->data, pps->data_size, &pps_data, &pps_data_size)) < 0) {
238  goto done;
239  }
240 
241  data_size = vps_data_size + sps_data_size + pps_data_size;
242  data = av_mallocz(data_size);
243  if (!data) {
244  ret = AVERROR(ENOMEM);
245  goto done;
246  }
247 
248  memcpy(data , vps_data, vps_data_size);
249  memcpy(data + vps_data_size , sps_data, sps_data_size);
250  memcpy(data + vps_data_size + sps_data_size, pps_data, pps_data_size);
251 
252  ff_AMediaFormat_setBuffer(format, "csd-0", data, data_size);
253 
254  av_freep(&data);
255  } else {
256  av_log(avctx, AV_LOG_ERROR, "Could not extract VPS/PPS/SPS from extradata");
257  ret = AVERROR_INVALIDDATA;
258  }
259 
260 done:
261  ff_hevc_ps_uninit(&ps);
262 
263  av_freep(&vps_data);
264  av_freep(&sps_data);
265  av_freep(&pps_data);
266 
267  return ret;
268 }
269 #endif
270 
271 #if CONFIG_MPEG2_MEDIACODEC_DECODER || \
272  CONFIG_MPEG4_MEDIACODEC_DECODER || \
273  CONFIG_VP8_MEDIACODEC_DECODER || \
274  CONFIG_VP9_MEDIACODEC_DECODER
275 static int common_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
276 {
277  int ret = 0;
278 
279  if (avctx->extradata) {
280  ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata, avctx->extradata_size);
281  }
282 
283  return ret;
284 }
285 #endif
286 
288 {
289  int ret;
290 
291  const char *codec_mime = NULL;
292 
293  FFAMediaFormat *format = NULL;
295 
296  format = ff_AMediaFormat_new();
297  if (!format) {
298  av_log(avctx, AV_LOG_ERROR, "Failed to create media format\n");
299  ret = AVERROR_EXTERNAL;
300  goto done;
301  }
302 
303  switch (avctx->codec_id) {
304 #if CONFIG_H264_MEDIACODEC_DECODER
305  case AV_CODEC_ID_H264:
306  codec_mime = "video/avc";
307 
308  ret = h264_set_extradata(avctx, format);
309  if (ret < 0)
310  goto done;
311  break;
312 #endif
313 #if CONFIG_HEVC_MEDIACODEC_DECODER
314  case AV_CODEC_ID_HEVC:
315  codec_mime = "video/hevc";
316 
317  ret = hevc_set_extradata(avctx, format);
318  if (ret < 0)
319  goto done;
320  break;
321 #endif
322 #if CONFIG_MPEG2_MEDIACODEC_DECODER
324  codec_mime = "video/mpeg2";
325 
326  ret = common_set_extradata(avctx, format);
327  if (ret < 0)
328  goto done;
329  break;
330 #endif
331 #if CONFIG_MPEG4_MEDIACODEC_DECODER
332  case AV_CODEC_ID_MPEG4:
333  codec_mime = "video/mp4v-es",
334 
335  ret = common_set_extradata(avctx, format);
336  if (ret < 0)
337  goto done;
338  break;
339 #endif
340 #if CONFIG_VP8_MEDIACODEC_DECODER
341  case AV_CODEC_ID_VP8:
342  codec_mime = "video/x-vnd.on2.vp8";
343 
344  ret = common_set_extradata(avctx, format);
345  if (ret < 0)
346  goto done;
347  break;
348 #endif
349 #if CONFIG_VP9_MEDIACODEC_DECODER
350  case AV_CODEC_ID_VP9:
351  codec_mime = "video/x-vnd.on2.vp9";
352 
353  ret = common_set_extradata(avctx, format);
354  if (ret < 0)
355  goto done;
356  break;
357 #endif
358  default:
359  av_assert0(0);
360  }
361 
362  ff_AMediaFormat_setString(format, "mime", codec_mime);
363  ff_AMediaFormat_setInt32(format, "width", avctx->width);
364  ff_AMediaFormat_setInt32(format, "height", avctx->height);
365 
366  s->ctx = av_mallocz(sizeof(*s->ctx));
367  if (!s->ctx) {
368  av_log(avctx, AV_LOG_ERROR, "Failed to allocate MediaCodecDecContext\n");
369  ret = AVERROR(ENOMEM);
370  goto done;
371  }
372 
373  s->ctx->delay_flush = s->delay_flush;
374 
375  if ((ret = ff_mediacodec_dec_init(avctx, s->ctx, codec_mime, format)) < 0) {
376  s->ctx = NULL;
377  goto done;
378  }
379 
380  av_log(avctx, AV_LOG_INFO, "MediaCodec started successfully, ret = %d\n", ret);
381 
382 done:
383  if (format) {
384  ff_AMediaFormat_delete(format);
385  }
386 
387  if (ret < 0) {
389  }
390 
391  return ret;
392 }
393 
396  AVFrame *frame, bool wait)
397 {
398  int ret;
399 
400  /* send any pending data from buffered packet */
401  while (s->buffered_pkt.size) {
402  ret = ff_mediacodec_dec_send(avctx, s->ctx, &s->buffered_pkt);
403  if (ret == AVERROR(EAGAIN))
404  break;
405  else if (ret < 0)
406  return ret;
407  s->buffered_pkt.size -= ret;
408  s->buffered_pkt.data += ret;
409  if (s->buffered_pkt.size <= 0)
411  }
412 
413  /* check for new frame */
414  return ff_mediacodec_dec_receive(avctx, s->ctx, frame, wait);
415 }
416 
418 {
420  int ret;
421 
422  /*
423  * MediaCodec.flush() discards both input and output buffers, thus we
424  * need to delay the call to this function until the user has released or
425  * renderered the frames he retains.
426  *
427  * After we have buffered an input packet, check if the codec is in the
428  * flushing state. If it is, we need to call ff_mediacodec_dec_flush.
429  *
430  * ff_mediacodec_dec_flush returns 0 if the flush cannot be performed on
431  * the codec (because the user retains frames). The codec stays in the
432  * flushing state.
433  *
434  * ff_mediacodec_dec_flush returns 1 if the flush can actually be
435  * performed on the codec. The codec leaves the flushing state and can
436  * process again packets.
437  *
438  * ff_mediacodec_dec_flush returns a negative value if an error has
439  * occurred.
440  *
441  */
442  if (ff_mediacodec_dec_is_flushing(avctx, s->ctx)) {
443  if (!ff_mediacodec_dec_flush(avctx, s->ctx)) {
444  return AVERROR(EAGAIN);
445  }
446  }
447 
448  /* flush buffered packet and check for new frame */
449  ret = mediacodec_send_receive(avctx, s, frame, false);
450  if (ret != AVERROR(EAGAIN))
451  return ret;
452 
453  /* skip fetching new packet if we still have one buffered */
454  if (s->buffered_pkt.size > 0)
455  return mediacodec_send_receive(avctx, s, frame, true);
456 
457  /* fetch new packet or eof */
458  ret = ff_decode_get_packet(avctx, &s->buffered_pkt);
459  if (ret == AVERROR_EOF) {
460  AVPacket null_pkt = { 0 };
461  ret = ff_mediacodec_dec_send(avctx, s->ctx, &null_pkt);
462  if (ret < 0)
463  return ret;
464  }
465  else if (ret < 0)
466  return ret;
467 
468  /* crank decoder with new packet */
469  return mediacodec_send_receive(avctx, s, frame, true);
470 }
471 
473 {
475 
477 
478  ff_mediacodec_dec_flush(avctx, s->ctx);
479 }
480 
482  &(const AVCodecHWConfigInternal) {
483  .public = {
487  .device_type = AV_HWDEVICE_TYPE_MEDIACODEC,
488  },
489  .hwaccel = NULL,
490  },
491  NULL
492 };
493 
494 #define OFFSET(x) offsetof(MediaCodecH264DecContext, x)
495 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
497  { "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
498  OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
499  { NULL }
500 };
501 
502 #define DECLARE_MEDIACODEC_VCLASS(short_name) \
503 static const AVClass ff_##short_name##_mediacodec_dec_class = { \
504  .class_name = #short_name "_mediacodec", \
505  .item_name = av_default_item_name, \
506  .option = ff_mediacodec_vdec_options, \
507  .version = LIBAVUTIL_VERSION_INT, \
508 };
509 
510 #define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf) \
511 DECLARE_MEDIACODEC_VCLASS(short_name) \
512 AVCodec ff_##short_name##_mediacodec_decoder = { \
513  .name = #short_name "_mediacodec", \
514  .long_name = NULL_IF_CONFIG_SMALL(full_name " Android MediaCodec decoder"), \
515  .type = AVMEDIA_TYPE_VIDEO, \
516  .id = codec_id, \
517  .priv_class = &ff_##short_name##_mediacodec_dec_class, \
518  .priv_data_size = sizeof(MediaCodecH264DecContext), \
519  .init = mediacodec_decode_init, \
520  .receive_frame = mediacodec_receive_frame, \
521  .flush = mediacodec_decode_flush, \
522  .close = mediacodec_decode_close, \
523  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
524  .caps_internal = FF_CODEC_CAP_SETS_PKT_DTS, \
525  .bsfs = bsf, \
526  .hw_configs = mediacodec_hw_configs, \
527  .wrapper_name = "mediacodec", \
528 }; \
529 
530 #if CONFIG_H264_MEDIACODEC_DECODER
531 DECLARE_MEDIACODEC_VDEC(h264, "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb")
532 #endif
533 
534 #if CONFIG_HEVC_MEDIACODEC_DECODER
535 DECLARE_MEDIACODEC_VDEC(hevc, "H.265", AV_CODEC_ID_HEVC, "hevc_mp4toannexb")
536 #endif
537 
538 #if CONFIG_MPEG2_MEDIACODEC_DECODER
540 #endif
541 
542 #if CONFIG_MPEG4_MEDIACODEC_DECODER
544 #endif
545 
546 #if CONFIG_VP8_MEDIACODEC_DECODER
548 #endif
549 
550 #if CONFIG_VP9_MEDIACODEC_DECODER
552 #endif
AVCodecHWConfig public
This is the structure which will be returned to the user by avcodec_get_hw_config().
Definition: hwaccel.h:34
#define NULL
Definition: coverity.c:32
const char * s
Definition: avisynth_c.h:768
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
void * av_realloc(void *ptr, size_t size)
Allocate, reallocate, or free a block of memory.
Definition: mem.c:135
static const char * format[]
Definition: af_aiir.c:311
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
AVOption.
Definition: opt.h:246
static const AVCodecHWConfigInternal * mediacodec_hw_configs[]
AVBufferRef * vps_list[HEVC_MAX_VPS_COUNT]
Definition: hevc_ps.h:396
AVBufferRef * sps_list[MAX_SPS_COUNT]
Definition: h264_ps.h:138
MediaCodecDecContext * ctx
Definition: mediacodecdec.c:46
Sequence parameter set.
Definition: h264_ps.h:43
int size
Definition: avcodec.h:1431
void ff_AMediaFormat_setBuffer(FFAMediaFormat *format, const char *name, void *data, size_t size)
static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
Definition: mediacodecdec.c:54
Picture parameter set.
Definition: h264_ps.h:108
int out_size
Definition: movenc.c:55
H.265 parser code.
int ff_hevc_decode_extradata(const uint8_t *data, int size, HEVCParamSets *ps, HEVCSEI *sei, int *is_nalff, int *nal_length_size, int err_recognition, int apply_defdispwin, void *logctx)
Definition: hevc_parse.c:77
static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
#define src
Definition: vp8dsp.c:254
int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
static int mediacodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
AVBufferRef * sps_list[HEVC_MAX_SPS_COUNT]
Definition: hevc_ps.h:397
uint8_t
#define av_cold
Definition: attributes.h:82
#define av_malloc(s)
AVOptions.
FFAMediaFormat * ff_AMediaFormat_new(void)
int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
Called by decoders to get the next packet for decoding.
Definition: decode.c:294
enum AVPixelFormat pix_fmt
A hardware pixel format which the codec can use.
Definition: avcodec.h:3386
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1618
static AVFrame * frame
const char data[16]
Definition: mxf.c:90
int ff_h264_decode_extradata(const uint8_t *data, int size, H264ParamSets *ps, int *is_avc, int *nal_length_size, int err_recognition, void *logctx)
Definition: h264_parse.c:443
#define MAX_PPS_COUNT
Definition: h264_ps.h:38
uint8_t * data
Definition: avcodec.h:1430
#define AVERROR_EOF
End of file.
Definition: error.h:55
AVBufferRef * pps_list[HEVC_MAX_PPS_COUNT]
Definition: hevc_ps.h:398
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AVERROR(e)
Definition: error.h:43
int data_size
Definition: hevc_ps.h:392
int ff_mediacodec_dec_flush(AVCodecContext *avctx, MediaCodecDecContext *s)
simple assert() macros that are a bit more flexible than ISO C assert().
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 int mediacodec_send_receive(AVCodecContext *avctx, MediaCodecH264DecContext *s, AVFrame *frame, bool wait)
#define OFFSET(x)
int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s, AVFrame *frame, bool wait)
The codec supports this format by some ad-hoc method.
Definition: avcodec.h:3379
common internal API header
size_t data_size
Definition: h264_ps.h:102
uint8_t data[4096]
Definition: h264_ps.h:128
void ff_AMediaFormat_setInt32(FFAMediaFormat *format, const char *name, int32_t value)
int width
picture width / height.
Definition: avcodec.h:1690
int data_size
Definition: hevc_ps.h:215
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
void ff_AMediaFormat_setString(FFAMediaFormat *format, const char *name, const char *value)
#define VD
void ff_hevc_ps_uninit(HEVCParamSets *ps)
Definition: hevc_ps.c:1711
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
Libavcodec external API header.
AVBufferRef * pps_list[MAX_PPS_COUNT]
Definition: h264_ps.h:139
enum AVCodecID codec_id
Definition: avcodec.h:1528
unsigned int sps_id
seq_parameter_set_id
Definition: hevc_ps.h:319
main external API structure.
Definition: avcodec.h:1518
#define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf)
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:592
uint8_t * data
The data buffer.
Definition: buffer.h:89
int extradata_size
Definition: avcodec.h:1619
Describe the class of an AVClass context structure.
Definition: log.h:67
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
unsigned int sps_id
Definition: h264_ps.h:109
int ff_AMediaFormat_delete(FFAMediaFormat *format)
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
static void mediacodec_decode_flush(AVCodecContext *avctx)
hardware decoding through MediaCodec
Definition: pixfmt.h:289
static const AVOption ff_mediacodec_vdec_options[]
int data_size
Definition: hevc_ps.h:315
common internal api header.
common internal and external API header
uint8_t data[4096]
Definition: h264_ps.h:101
size_t data_size
Definition: h264_ps.h:129
uint8_t data[4096]
Definition: hevc_ps.h:214
static int FUNC() sei(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEI *current)
void ff_h264_ps_uninit(H264ParamSets *ps)
Uninit H264 param sets structure.
Definition: h264_ps.c:317
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s, const char *mime, FFAMediaFormat *format)
void * priv_data
Definition: avcodec.h:1545
pixel format definitions
uint8_t data[4096]
Definition: hevc_ps.h:314
int ff_mediacodec_dec_send(AVCodecContext *avctx, MediaCodecDecContext *s, AVPacket *pkt)
FILE * out
Definition: movenc.c:54
#define av_freep(p)
H.264 decoder/parser shared code.
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
The codec supports this format via the hw_device_ctx interface.
Definition: avcodec.h:3354
This structure stores compressed data.
Definition: avcodec.h:1407
uint8_t data[4096]
Definition: hevc_ps.h:391