3 * Copyright (c) 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
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.
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.
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
29 #include "libavutil/atomic.h"
30 #include "libavutil/attributes.h"
31 #include "libavutil/avassert.h"
32 #include "libavutil/avstring.h"
33 #include "libavutil/bprint.h"
34 #include "libavutil/channel_layout.h"
35 #include "libavutil/crc.h"
36 #include "libavutil/frame.h"
37 #include "libavutil/hwcontext.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/mem_internal.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/imgutils.h"
43 #include "libavutil/samplefmt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/thread.h"
47 #include "libavutil/opt.h"
49 #include "mpegvideo.h"
51 #include "frame_thread_encoder.h"
54 #include "bytestream.h"
64 #include "libavutil/ffversion.h"
65 const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
67 #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
68 static int default_lockmgr_cb(void **arg, enum AVLockOp op)
70 void * volatile * mutex = arg;
78 pthread_mutex_t *tmp = av_malloc(sizeof(pthread_mutex_t));
80 return AVERROR(ENOMEM);
81 if ((err = pthread_mutex_init(tmp, NULL))) {
85 if (avpriv_atomic_ptr_cas(mutex, NULL, tmp)) {
86 pthread_mutex_destroy(tmp);
91 if ((err = pthread_mutex_lock(*mutex)))
96 if ((err = pthread_mutex_unlock(*mutex)))
100 case AV_LOCK_DESTROY:
102 pthread_mutex_destroy(*mutex);
104 avpriv_atomic_ptr_cas(mutex, *mutex, NULL);
109 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = default_lockmgr_cb;
111 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = NULL;
115 volatile int ff_avcodec_locked;
116 static int volatile entangled_thread_counter = 0;
117 static void *codec_mutex;
118 static void *avformat_mutex;
120 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
123 if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
128 if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
129 memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
132 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
135 if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
140 if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
141 memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
144 /* encoder management */
145 static AVCodec *first_avcodec = NULL;
146 static AVCodec **last_avcodec = &first_avcodec;
148 AVCodec *av_codec_next(const AVCodec *c)
153 return first_avcodec;
156 static av_cold void avcodec_init(void)
158 static int initialized = 0;
160 if (initialized != 0)
165 ff_me_cmp_init_static();
168 int av_codec_is_encoder(const AVCodec *codec)
170 return codec && (codec->encode_sub || codec->encode2 ||codec->send_frame);
173 int av_codec_is_decoder(const AVCodec *codec)
175 return codec && (codec->decode || codec->send_packet);
178 av_cold void avcodec_register(AVCodec *codec)
185 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, codec))
187 last_avcodec = &codec->next;
189 if (codec->init_static_data)
190 codec->init_static_data(codec);
194 unsigned avcodec_get_edge_width(void)
200 #if FF_API_SET_DIMENSIONS
201 void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
203 int ret = ff_set_dimensions(s, width, height);
205 av_log(s, AV_LOG_WARNING, "Failed to set dimensions %d %d\n", width, height);
210 int ff_set_dimensions(AVCodecContext *s, int width, int height)
212 int ret = av_image_check_size(width, height, 0, s);
217 s->coded_width = width;
218 s->coded_height = height;
219 s->width = AV_CEIL_RSHIFT(width, s->lowres);
220 s->height = AV_CEIL_RSHIFT(height, s->lowres);
225 int ff_set_sar(AVCodecContext *avctx, AVRational sar)
227 int ret = av_image_check_sar(avctx->width, avctx->height, sar);
230 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
232 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
235 avctx->sample_aspect_ratio = sar;
240 int ff_side_data_update_matrix_encoding(AVFrame *frame,
241 enum AVMatrixEncoding matrix_encoding)
243 AVFrameSideData *side_data;
244 enum AVMatrixEncoding *data;
246 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
248 side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
249 sizeof(enum AVMatrixEncoding));
252 return AVERROR(ENOMEM);
254 data = (enum AVMatrixEncoding*)side_data->data;
255 *data = matrix_encoding;
260 void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
261 int linesize_align[AV_NUM_DATA_POINTERS])
266 AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
269 w_align = 1 << desc->log2_chroma_w;
270 h_align = 1 << desc->log2_chroma_h;
273 switch (s->pix_fmt) {
274 case AV_PIX_FMT_YUV420P:
275 case AV_PIX_FMT_YUYV422:
276 case AV_PIX_FMT_YVYU422:
277 case AV_PIX_FMT_UYVY422:
278 case AV_PIX_FMT_YUV422P:
279 case AV_PIX_FMT_YUV440P:
280 case AV_PIX_FMT_YUV444P:
281 case AV_PIX_FMT_GBRP:
282 case AV_PIX_FMT_GBRAP:
283 case AV_PIX_FMT_GRAY8:
284 case AV_PIX_FMT_GRAY16BE:
285 case AV_PIX_FMT_GRAY16LE:
286 case AV_PIX_FMT_YUVJ420P:
287 case AV_PIX_FMT_YUVJ422P:
288 case AV_PIX_FMT_YUVJ440P:
289 case AV_PIX_FMT_YUVJ444P:
290 case AV_PIX_FMT_YUVA420P:
291 case AV_PIX_FMT_YUVA422P:
292 case AV_PIX_FMT_YUVA444P:
293 case AV_PIX_FMT_YUV420P9LE:
294 case AV_PIX_FMT_YUV420P9BE:
295 case AV_PIX_FMT_YUV420P10LE:
296 case AV_PIX_FMT_YUV420P10BE:
297 case AV_PIX_FMT_YUV420P12LE:
298 case AV_PIX_FMT_YUV420P12BE:
299 case AV_PIX_FMT_YUV420P14LE:
300 case AV_PIX_FMT_YUV420P14BE:
301 case AV_PIX_FMT_YUV420P16LE:
302 case AV_PIX_FMT_YUV420P16BE:
303 case AV_PIX_FMT_YUVA420P9LE:
304 case AV_PIX_FMT_YUVA420P9BE:
305 case AV_PIX_FMT_YUVA420P10LE:
306 case AV_PIX_FMT_YUVA420P10BE:
307 case AV_PIX_FMT_YUVA420P16LE:
308 case AV_PIX_FMT_YUVA420P16BE:
309 case AV_PIX_FMT_YUV422P9LE:
310 case AV_PIX_FMT_YUV422P9BE:
311 case AV_PIX_FMT_YUV422P10LE:
312 case AV_PIX_FMT_YUV422P10BE:
313 case AV_PIX_FMT_YUV422P12LE:
314 case AV_PIX_FMT_YUV422P12BE:
315 case AV_PIX_FMT_YUV422P14LE:
316 case AV_PIX_FMT_YUV422P14BE:
317 case AV_PIX_FMT_YUV422P16LE:
318 case AV_PIX_FMT_YUV422P16BE:
319 case AV_PIX_FMT_YUVA422P9LE:
320 case AV_PIX_FMT_YUVA422P9BE:
321 case AV_PIX_FMT_YUVA422P10LE:
322 case AV_PIX_FMT_YUVA422P10BE:
323 case AV_PIX_FMT_YUVA422P16LE:
324 case AV_PIX_FMT_YUVA422P16BE:
325 case AV_PIX_FMT_YUV440P10LE:
326 case AV_PIX_FMT_YUV440P10BE:
327 case AV_PIX_FMT_YUV440P12LE:
328 case AV_PIX_FMT_YUV440P12BE:
329 case AV_PIX_FMT_YUV444P9LE:
330 case AV_PIX_FMT_YUV444P9BE:
331 case AV_PIX_FMT_YUV444P10LE:
332 case AV_PIX_FMT_YUV444P10BE:
333 case AV_PIX_FMT_YUV444P12LE:
334 case AV_PIX_FMT_YUV444P12BE:
335 case AV_PIX_FMT_YUV444P14LE:
336 case AV_PIX_FMT_YUV444P14BE:
337 case AV_PIX_FMT_YUV444P16LE:
338 case AV_PIX_FMT_YUV444P16BE:
339 case AV_PIX_FMT_YUVA444P9LE:
340 case AV_PIX_FMT_YUVA444P9BE:
341 case AV_PIX_FMT_YUVA444P10LE:
342 case AV_PIX_FMT_YUVA444P10BE:
343 case AV_PIX_FMT_YUVA444P16LE:
344 case AV_PIX_FMT_YUVA444P16BE:
345 case AV_PIX_FMT_GBRP9LE:
346 case AV_PIX_FMT_GBRP9BE:
347 case AV_PIX_FMT_GBRP10LE:
348 case AV_PIX_FMT_GBRP10BE:
349 case AV_PIX_FMT_GBRP12LE:
350 case AV_PIX_FMT_GBRP12BE:
351 case AV_PIX_FMT_GBRP14LE:
352 case AV_PIX_FMT_GBRP14BE:
353 case AV_PIX_FMT_GBRP16LE:
354 case AV_PIX_FMT_GBRP16BE:
355 case AV_PIX_FMT_GBRAP12LE:
356 case AV_PIX_FMT_GBRAP12BE:
357 case AV_PIX_FMT_GBRAP16LE:
358 case AV_PIX_FMT_GBRAP16BE:
359 w_align = 16; //FIXME assume 16 pixel per macroblock
360 h_align = 16 * 2; // interlaced needs 2 macroblocks height
362 case AV_PIX_FMT_YUV411P:
363 case AV_PIX_FMT_YUVJ411P:
364 case AV_PIX_FMT_UYYVYY411:
368 case AV_PIX_FMT_YUV410P:
369 if (s->codec_id == AV_CODEC_ID_SVQ1) {
374 case AV_PIX_FMT_RGB555:
375 if (s->codec_id == AV_CODEC_ID_RPZA) {
380 case AV_PIX_FMT_PAL8:
381 case AV_PIX_FMT_BGR8:
382 case AV_PIX_FMT_RGB8:
383 if (s->codec_id == AV_CODEC_ID_SMC ||
384 s->codec_id == AV_CODEC_ID_CINEPAK) {
388 if (s->codec_id == AV_CODEC_ID_JV) {
393 case AV_PIX_FMT_BGR24:
394 if ((s->codec_id == AV_CODEC_ID_MSZH) ||
395 (s->codec_id == AV_CODEC_ID_ZLIB)) {
400 case AV_PIX_FMT_RGB24:
401 if (s->codec_id == AV_CODEC_ID_CINEPAK) {
410 if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
411 w_align = FFMAX(w_align, 8);
414 *width = FFALIGN(*width, w_align);
415 *height = FFALIGN(*height, h_align);
416 if (s->codec_id == AV_CODEC_ID_H264 || s->lowres) {
417 // some of the optimized chroma MC reads one line too much
418 // which is also done in mpeg decoders with lowres > 0
421 // H.264 uses edge emulation for out of frame motion vectors, for this
422 // it requires a temporary area large enough to hold a 21x21 block,
423 // increasing witdth ensure that the temporary area is large enough,
424 // the next rounded up width is 32
425 *width = FFMAX(*width, 32);
428 for (i = 0; i < 4; i++)
429 linesize_align[i] = STRIDE_ALIGN;
432 void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
434 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
435 int chroma_shift = desc->log2_chroma_w;
436 int linesize_align[AV_NUM_DATA_POINTERS];
439 avcodec_align_dimensions2(s, width, height, linesize_align);
440 align = FFMAX(linesize_align[0], linesize_align[3]);
441 linesize_align[1] <<= chroma_shift;
442 linesize_align[2] <<= chroma_shift;
443 align = FFMAX3(align, linesize_align[1], linesize_align[2]);
444 *width = FFALIGN(*width, align);
447 int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
449 if (pos <= AVCHROMA_LOC_UNSPECIFIED || pos >= AVCHROMA_LOC_NB)
450 return AVERROR(EINVAL);
453 *xpos = (pos&1) * 128;
454 *ypos = ((pos>>1)^(pos<4)) * 128;
459 enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
463 for (pos = AVCHROMA_LOC_UNSPECIFIED + 1; pos < AVCHROMA_LOC_NB; pos++) {
464 if (avcodec_enum_to_chroma_pos(&xout, &yout, pos) == 0 && xout == xpos && yout == ypos)
467 return AVCHROMA_LOC_UNSPECIFIED;
470 int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
471 enum AVSampleFormat sample_fmt, const uint8_t *buf,
472 int buf_size, int align)
474 int ch, planar, needed_size, ret = 0;
476 needed_size = av_samples_get_buffer_size(NULL, nb_channels,
477 frame->nb_samples, sample_fmt,
479 if (buf_size < needed_size)
480 return AVERROR(EINVAL);
482 planar = av_sample_fmt_is_planar(sample_fmt);
483 if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
484 if (!(frame->extended_data = av_mallocz_array(nb_channels,
485 sizeof(*frame->extended_data))))
486 return AVERROR(ENOMEM);
488 frame->extended_data = frame->data;
491 if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
492 (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
493 sample_fmt, align)) < 0) {
494 if (frame->extended_data != frame->data)
495 av_freep(&frame->extended_data);
498 if (frame->extended_data != frame->data) {
499 for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
500 frame->data[ch] = frame->extended_data[ch];
506 static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
508 FramePool *pool = avctx->internal->pool;
511 switch (avctx->codec_type) {
512 case AVMEDIA_TYPE_VIDEO: {
516 int w = frame->width;
517 int h = frame->height;
518 int tmpsize, unaligned;
520 if (pool->format == frame->format &&
521 pool->width == frame->width && pool->height == frame->height)
524 avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
527 // NOTE: do not align linesizes individually, this breaks e.g. assumptions
528 // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
529 ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
532 // increase alignment of w for next try (rhs gives the lowest bit set in w)
536 for (i = 0; i < 4; i++)
537 unaligned |= linesize[i] % pool->stride_align[i];
540 tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
545 for (i = 0; i < 3 && data[i + 1]; i++)
546 size[i] = data[i + 1] - data[i];
547 size[i] = tmpsize - (data[i] - data[0]);
549 for (i = 0; i < 4; i++) {
550 av_buffer_pool_uninit(&pool->pools[i]);
551 pool->linesize[i] = linesize[i];
553 pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
554 CONFIG_MEMORY_POISONING ?
557 if (!pool->pools[i]) {
558 ret = AVERROR(ENOMEM);
563 pool->format = frame->format;
564 pool->width = frame->width;
565 pool->height = frame->height;
569 case AVMEDIA_TYPE_AUDIO: {
570 int ch = av_frame_get_channels(frame); //av_get_channel_layout_nb_channels(frame->channel_layout);
571 int planar = av_sample_fmt_is_planar(frame->format);
572 int planes = planar ? ch : 1;
574 if (pool->format == frame->format && pool->planes == planes &&
575 pool->channels == ch && frame->nb_samples == pool->samples)
578 av_buffer_pool_uninit(&pool->pools[0]);
579 ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
580 frame->nb_samples, frame->format, 0);
584 pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
585 if (!pool->pools[0]) {
586 ret = AVERROR(ENOMEM);
590 pool->format = frame->format;
591 pool->planes = planes;
593 pool->samples = frame->nb_samples;
596 default: av_assert0(0);
600 for (i = 0; i < 4; i++)
601 av_buffer_pool_uninit(&pool->pools[i]);
603 pool->planes = pool->channels = pool->samples = 0;
604 pool->width = pool->height = 0;
608 static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
610 FramePool *pool = avctx->internal->pool;
611 int planes = pool->planes;
614 frame->linesize[0] = pool->linesize[0];
616 if (planes > AV_NUM_DATA_POINTERS) {
617 frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
618 frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
619 frame->extended_buf = av_mallocz_array(frame->nb_extended_buf,
620 sizeof(*frame->extended_buf));
621 if (!frame->extended_data || !frame->extended_buf) {
622 av_freep(&frame->extended_data);
623 av_freep(&frame->extended_buf);
624 return AVERROR(ENOMEM);
627 frame->extended_data = frame->data;
628 av_assert0(frame->nb_extended_buf == 0);
631 for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
632 frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
635 frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
637 for (i = 0; i < frame->nb_extended_buf; i++) {
638 frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
639 if (!frame->extended_buf[i])
641 frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
644 if (avctx->debug & FF_DEBUG_BUFFERS)
645 av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
649 av_frame_unref(frame);
650 return AVERROR(ENOMEM);
653 static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
655 FramePool *pool = s->internal->pool;
656 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
659 if (pic->data[0] || pic->data[1] || pic->data[2] || pic->data[3]) {
660 av_log(s, AV_LOG_ERROR, "pic->data[*]!=NULL in avcodec_default_get_buffer\n");
665 av_log(s, AV_LOG_ERROR,
666 "Unable to get pixel format descriptor for format %s\n",
667 av_get_pix_fmt_name(pic->format));
668 return AVERROR(EINVAL);
671 memset(pic->data, 0, sizeof(pic->data));
672 pic->extended_data = pic->data;
674 for (i = 0; i < 4 && pool->pools[i]; i++) {
675 pic->linesize[i] = pool->linesize[i];
677 pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
681 pic->data[i] = pic->buf[i]->data;
683 for (; i < AV_NUM_DATA_POINTERS; i++) {
685 pic->linesize[i] = 0;
687 if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
688 desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
689 avpriv_set_systematic_pal2((uint32_t *)pic->data[1], pic->format);
691 if (s->debug & FF_DEBUG_BUFFERS)
692 av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
697 return AVERROR(ENOMEM);
700 void ff_color_frame(AVFrame *frame, const int c[4])
702 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
705 av_assert0(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
707 for (p = 0; p<desc->nb_components; p++) {
708 uint8_t *dst = frame->data[p];
709 int is_chroma = p == 1 || p == 2;
710 int bytes = is_chroma ? AV_CEIL_RSHIFT(frame->width, desc->log2_chroma_w) : frame->width;
711 int height = is_chroma ? AV_CEIL_RSHIFT(frame->height, desc->log2_chroma_h) : frame->height;
712 for (y = 0; y < height; y++) {
713 if (desc->comp[0].depth >= 9) {
714 for (x = 0; x<bytes; x++)
715 ((uint16_t*)dst)[x] = c[p];
717 memset(dst, c[p], bytes);
718 dst += frame->linesize[p];
723 int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
727 if (avctx->hw_frames_ctx)
728 return av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
730 if ((ret = update_frame_pool(avctx, frame)) < 0)
733 switch (avctx->codec_type) {
734 case AVMEDIA_TYPE_VIDEO:
735 return video_get_buffer(avctx, frame);
736 case AVMEDIA_TYPE_AUDIO:
737 return audio_get_buffer(avctx, frame);
743 static int add_metadata_from_side_data(AVPacket *avpkt, AVFrame *frame)
746 const uint8_t *side_metadata;
748 AVDictionary **frame_md = avpriv_frame_get_metadatap(frame);
750 side_metadata = av_packet_get_side_data(avpkt,
751 AV_PKT_DATA_STRINGS_METADATA, &size);
752 return av_packet_unpack_dictionary(side_metadata, size, frame_md);
755 int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
757 AVPacket *pkt = avctx->internal->pkt;
759 static const struct {
760 enum AVPacketSideDataType packet;
761 enum AVFrameSideDataType frame;
763 { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
764 { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
765 { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
766 { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
767 { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
771 frame->pts = pkt->pts;
773 FF_DISABLE_DEPRECATION_WARNINGS
774 frame->pkt_pts = pkt->pts;
775 FF_ENABLE_DEPRECATION_WARNINGS
777 av_frame_set_pkt_pos (frame, pkt->pos);
778 av_frame_set_pkt_duration(frame, pkt->duration);
779 av_frame_set_pkt_size (frame, pkt->size);
781 for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
783 uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
785 AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
789 return AVERROR(ENOMEM);
791 memcpy(frame_sd->data, packet_sd, size);
794 add_metadata_from_side_data(pkt, frame);
796 if (pkt->flags & AV_PKT_FLAG_DISCARD) {
797 frame->flags |= AV_FRAME_FLAG_DISCARD;
799 frame->flags = (frame->flags & ~AV_FRAME_FLAG_DISCARD);
802 frame->pts = AV_NOPTS_VALUE;
804 FF_DISABLE_DEPRECATION_WARNINGS
805 frame->pkt_pts = AV_NOPTS_VALUE;
806 FF_ENABLE_DEPRECATION_WARNINGS
808 av_frame_set_pkt_pos (frame, -1);
809 av_frame_set_pkt_duration(frame, 0);
810 av_frame_set_pkt_size (frame, -1);
812 frame->reordered_opaque = avctx->reordered_opaque;
814 if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
815 frame->color_primaries = avctx->color_primaries;
816 if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
817 frame->color_trc = avctx->color_trc;
818 if (av_frame_get_colorspace(frame) == AVCOL_SPC_UNSPECIFIED)
819 av_frame_set_colorspace(frame, avctx->colorspace);
820 if (av_frame_get_color_range(frame) == AVCOL_RANGE_UNSPECIFIED)
821 av_frame_set_color_range(frame, avctx->color_range);
822 if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
823 frame->chroma_location = avctx->chroma_sample_location;
825 switch (avctx->codec->type) {
826 case AVMEDIA_TYPE_VIDEO:
827 frame->format = avctx->pix_fmt;
828 if (!frame->sample_aspect_ratio.num)
829 frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
831 if (frame->width && frame->height &&
832 av_image_check_sar(frame->width, frame->height,
833 frame->sample_aspect_ratio) < 0) {
834 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
835 frame->sample_aspect_ratio.num,
836 frame->sample_aspect_ratio.den);
837 frame->sample_aspect_ratio = (AVRational){ 0, 1 };
841 case AVMEDIA_TYPE_AUDIO:
842 if (!frame->sample_rate)
843 frame->sample_rate = avctx->sample_rate;
844 if (frame->format < 0)
845 frame->format = avctx->sample_fmt;
846 if (!frame->channel_layout) {
847 if (avctx->channel_layout) {
848 if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
850 av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
852 return AVERROR(EINVAL);
855 frame->channel_layout = avctx->channel_layout;
857 if (avctx->channels > FF_SANE_NB_CHANNELS) {
858 av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
860 return AVERROR(ENOSYS);
864 av_frame_set_channels(frame, avctx->channels);
870 int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
872 return ff_init_buffer_info(avctx, frame);
875 static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
877 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
879 int num_planes = av_pix_fmt_count_planes(frame->format);
880 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
881 int flags = desc ? desc->flags : 0;
882 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
884 for (i = 0; i < num_planes; i++) {
885 av_assert0(frame->data[i]);
887 // For now do not enforce anything for palette of pseudopal formats
888 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
890 // For formats without data like hwaccel allow unused pointers to be non-NULL.
891 for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
893 av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
894 frame->data[i] = NULL;
899 static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
901 const AVHWAccel *hwaccel = avctx->hwaccel;
902 int override_dimensions = 1;
905 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
906 if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0 || avctx->pix_fmt<0) {
907 av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
908 return AVERROR(EINVAL);
911 if (frame->width <= 0 || frame->height <= 0) {
912 frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
913 frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
914 override_dimensions = 0;
917 if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
918 av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
919 return AVERROR(EINVAL);
922 ret = ff_decode_frame_props(avctx, frame);
927 if (hwaccel->alloc_frame) {
928 ret = hwaccel->alloc_frame(avctx, frame);
932 avctx->sw_pix_fmt = avctx->pix_fmt;
934 ret = avctx->get_buffer2(avctx, frame, flags);
936 validate_avframe_allocation(avctx, frame);
939 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
940 frame->width = avctx->width;
941 frame->height = avctx->height;
947 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
949 int ret = get_buffer_internal(avctx, frame, flags);
951 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
952 frame->width = frame->height = 0;
957 static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
962 av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
964 if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
965 av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
966 frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
967 av_frame_unref(frame);
970 ff_init_buffer_info(avctx, frame);
973 return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
975 if (av_frame_is_writable(frame))
976 return ff_decode_frame_props(avctx, frame);
978 tmp = av_frame_alloc();
980 return AVERROR(ENOMEM);
982 av_frame_move_ref(tmp, frame);
984 ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
990 av_frame_copy(frame, tmp);
996 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
998 int ret = reget_buffer_internal(avctx, frame);
1000 av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
1004 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
1008 for (i = 0; i < count; i++) {
1009 int r = func(c, (char *)arg + i * size);
1016 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
1020 for (i = 0; i < count; i++) {
1021 int r = func(c, arg, i, 0);
1028 enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags,
1029 unsigned int fourcc)
1031 while (tags->pix_fmt >= 0) {
1032 if (tags->fourcc == fourcc)
1033 return tags->pix_fmt;
1036 return AV_PIX_FMT_NONE;
1039 static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
1041 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1042 return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
1045 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
1047 while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
1052 static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
1053 enum AVPixelFormat pix_fmt)
1055 AVHWAccel *hwaccel = NULL;
1057 while ((hwaccel = av_hwaccel_next(hwaccel)))
1058 if (hwaccel->id == codec_id
1059 && hwaccel->pix_fmt == pix_fmt)
1064 static int setup_hwaccel(AVCodecContext *avctx,
1065 const enum AVPixelFormat fmt,
1068 AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
1071 if (avctx->active_thread_type & FF_THREAD_FRAME) {
1072 av_log(avctx, AV_LOG_WARNING,
1073 "Hardware accelerated decoding with frame threading is known to be unstable and its use is discouraged.\n");
1077 av_log(avctx, AV_LOG_ERROR,
1078 "Could not find an AVHWAccel for the pixel format: %s",
1080 return AVERROR(ENOENT);
1083 if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1084 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1085 av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1087 return AVERROR_PATCHWELCOME;
1090 if (hwa->priv_data_size) {
1091 avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
1092 if (!avctx->internal->hwaccel_priv_data)
1093 return AVERROR(ENOMEM);
1097 ret = hwa->init(avctx);
1099 av_freep(&avctx->internal->hwaccel_priv_data);
1104 avctx->hwaccel = hwa;
1109 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1111 const AVPixFmtDescriptor *desc;
1112 enum AVPixelFormat *choices;
1113 enum AVPixelFormat ret;
1116 while (fmt[n] != AV_PIX_FMT_NONE)
1120 avctx->sw_pix_fmt = fmt[n - 1];
1121 av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
1123 choices = av_malloc_array(n + 1, sizeof(*choices));
1125 return AV_PIX_FMT_NONE;
1127 memcpy(choices, fmt, (n + 1) * sizeof(*choices));
1130 if (avctx->hwaccel && avctx->hwaccel->uninit)
1131 avctx->hwaccel->uninit(avctx);
1132 av_freep(&avctx->internal->hwaccel_priv_data);
1133 avctx->hwaccel = NULL;
1135 av_buffer_unref(&avctx->hw_frames_ctx);
1137 ret = avctx->get_format(avctx, choices);
1139 desc = av_pix_fmt_desc_get(ret);
1141 ret = AV_PIX_FMT_NONE;
1145 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1147 #if FF_API_CAP_VDPAU
1148 if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
1152 if (avctx->hw_frames_ctx) {
1153 AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1154 if (hw_frames_ctx->format != ret) {
1155 av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
1156 "does not match the format of provided AVHWFramesContext\n");
1157 ret = AV_PIX_FMT_NONE;
1162 if (!setup_hwaccel(avctx, ret, desc->name))
1165 /* Remove failed hwaccel from choices */
1166 for (n = 0; choices[n] != ret; n++)
1167 av_assert0(choices[n] != AV_PIX_FMT_NONE);
1170 choices[n] = choices[n + 1];
1171 while (choices[n++] != AV_PIX_FMT_NONE);
1178 MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
1179 MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
1180 MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
1181 MAKE_ACCESSORS(AVCodecContext, codec, int, seek_preroll)
1182 MAKE_ACCESSORS(AVCodecContext, codec, uint16_t*, chroma_intra_matrix)
1184 unsigned av_codec_get_codec_properties(const AVCodecContext *codec)
1186 return codec->properties;
1189 int av_codec_get_max_lowres(const AVCodec *codec)
1191 return codec->max_lowres;
1194 int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec){
1195 return !!(codec->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM);
1198 static void get_subtitle_defaults(AVSubtitle *sub)
1200 memset(sub, 0, sizeof(*sub));
1201 sub->pts = AV_NOPTS_VALUE;
1204 static int64_t get_bit_rate(AVCodecContext *ctx)
1207 int bits_per_sample;
1209 switch (ctx->codec_type) {
1210 case AVMEDIA_TYPE_VIDEO:
1211 case AVMEDIA_TYPE_DATA:
1212 case AVMEDIA_TYPE_SUBTITLE:
1213 case AVMEDIA_TYPE_ATTACHMENT:
1214 bit_rate = ctx->bit_rate;
1216 case AVMEDIA_TYPE_AUDIO:
1217 bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
1218 bit_rate = bits_per_sample ? ctx->sample_rate * (int64_t)ctx->channels * bits_per_sample : ctx->bit_rate;
1227 int attribute_align_arg ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1231 ff_unlock_avcodec(codec);
1233 ret = avcodec_open2(avctx, codec, options);
1235 ff_lock_avcodec(avctx, codec);
1239 int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1242 AVDictionary *tmp = NULL;
1243 const AVPixFmtDescriptor *pixdesc;
1245 if (avcodec_is_open(avctx))
1248 if ((!codec && !avctx->codec)) {
1249 av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n");
1250 return AVERROR(EINVAL);
1252 if ((codec && avctx->codec && codec != avctx->codec)) {
1253 av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
1254 "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name);
1255 return AVERROR(EINVAL);
1258 codec = avctx->codec;
1260 if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
1261 return AVERROR(EINVAL);
1264 av_dict_copy(&tmp, *options, 0);
1266 ret = ff_lock_avcodec(avctx, codec);
1270 avctx->internal = av_mallocz(sizeof(AVCodecInternal));
1271 if (!avctx->internal) {
1272 ret = AVERROR(ENOMEM);
1276 avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
1277 if (!avctx->internal->pool) {
1278 ret = AVERROR(ENOMEM);
1282 avctx->internal->to_free = av_frame_alloc();
1283 if (!avctx->internal->to_free) {
1284 ret = AVERROR(ENOMEM);
1288 avctx->internal->buffer_frame = av_frame_alloc();
1289 if (!avctx->internal->buffer_frame) {
1290 ret = AVERROR(ENOMEM);
1294 avctx->internal->buffer_pkt = av_packet_alloc();
1295 if (!avctx->internal->buffer_pkt) {
1296 ret = AVERROR(ENOMEM);
1300 if (codec->priv_data_size > 0) {
1301 if (!avctx->priv_data) {
1302 avctx->priv_data = av_mallocz(codec->priv_data_size);
1303 if (!avctx->priv_data) {
1304 ret = AVERROR(ENOMEM);
1307 if (codec->priv_class) {
1308 *(const AVClass **)avctx->priv_data = codec->priv_class;
1309 av_opt_set_defaults(avctx->priv_data);
1312 if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
1315 avctx->priv_data = NULL;
1317 if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
1320 if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
1321 av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist);
1322 ret = AVERROR(EINVAL);
1326 // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions
1327 if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height &&
1328 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) {
1329 if (avctx->coded_width && avctx->coded_height)
1330 ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
1331 else if (avctx->width && avctx->height)
1332 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
1337 if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
1338 && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
1339 || av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
1340 av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
1341 ff_set_dimensions(avctx, 0, 0);
1344 if (avctx->width > 0 && avctx->height > 0) {
1345 if (av_image_check_sar(avctx->width, avctx->height,
1346 avctx->sample_aspect_ratio) < 0) {
1347 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1348 avctx->sample_aspect_ratio.num,
1349 avctx->sample_aspect_ratio.den);
1350 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
1354 /* if the decoder init function was already called previously,
1355 * free the already allocated subtitle_header before overwriting it */
1356 if (av_codec_is_decoder(codec))
1357 av_freep(&avctx->subtitle_header);
1359 if (avctx->channels > FF_SANE_NB_CHANNELS) {
1360 ret = AVERROR(EINVAL);
1364 avctx->codec = codec;
1365 if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
1366 avctx->codec_id == AV_CODEC_ID_NONE) {
1367 avctx->codec_type = codec->type;
1368 avctx->codec_id = codec->id;
1370 if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
1371 && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
1372 av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n");
1373 ret = AVERROR(EINVAL);
1376 avctx->frame_number = 0;
1377 avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
1379 if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) &&
1380 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1381 const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder";
1383 av_log(avctx, AV_LOG_ERROR,
1384 "The %s '%s' is experimental but experimental codecs are not enabled, "
1385 "add '-strict %d' if you want to use it.\n",
1386 codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL);
1387 codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
1388 if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
1389 av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n",
1390 codec_string, codec2->name);
1391 ret = AVERROR_EXPERIMENTAL;
1395 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
1396 (!avctx->time_base.num || !avctx->time_base.den)) {
1397 avctx->time_base.num = 1;
1398 avctx->time_base.den = avctx->sample_rate;
1402 av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n");
1404 if (CONFIG_FRAME_THREAD_ENCODER && av_codec_is_encoder(avctx->codec)) {
1405 ff_unlock_avcodec(codec); //we will instantiate a few encoders thus kick the counter to prevent false detection of a problem
1406 ret = ff_frame_thread_encoder_init(avctx, options ? *options : NULL);
1407 ff_lock_avcodec(avctx, codec);
1413 && !(avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))) {
1414 ret = ff_thread_init(avctx);
1419 if (!HAVE_THREADS && !(codec->capabilities & AV_CODEC_CAP_AUTO_THREADS))
1420 avctx->thread_count = 1;
1422 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1423 av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
1424 avctx->codec->max_lowres);
1425 avctx->lowres = avctx->codec->max_lowres;
1429 if (avctx->debug_mv)
1430 av_log(avctx, AV_LOG_WARNING, "The 'vismv' option is deprecated, "
1431 "see the codecview filter instead.\n");
1434 if (av_codec_is_encoder(avctx->codec)) {
1436 #if FF_API_CODED_FRAME
1437 FF_DISABLE_DEPRECATION_WARNINGS
1438 avctx->coded_frame = av_frame_alloc();
1439 if (!avctx->coded_frame) {
1440 ret = AVERROR(ENOMEM);
1443 FF_ENABLE_DEPRECATION_WARNINGS
1446 if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
1447 av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
1448 ret = AVERROR(EINVAL);
1452 if (avctx->codec->sample_fmts) {
1453 for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
1454 if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
1456 if (avctx->channels == 1 &&
1457 av_get_planar_sample_fmt(avctx->sample_fmt) ==
1458 av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
1459 avctx->sample_fmt = avctx->codec->sample_fmts[i];
1463 if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
1465 snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
1466 av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
1467 (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
1468 ret = AVERROR(EINVAL);
1472 if (avctx->codec->pix_fmts) {
1473 for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
1474 if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
1476 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE
1477 && !((avctx->codec_id == AV_CODEC_ID_MJPEG || avctx->codec_id == AV_CODEC_ID_LJPEG)
1478 && avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
1480 snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
1481 av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
1482 (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
1483 ret = AVERROR(EINVAL);
1486 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
1487 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
1488 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
1489 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
1490 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
1491 avctx->color_range = AVCOL_RANGE_JPEG;
1493 if (avctx->codec->supported_samplerates) {
1494 for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
1495 if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
1497 if (avctx->codec->supported_samplerates[i] == 0) {
1498 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1499 avctx->sample_rate);
1500 ret = AVERROR(EINVAL);
1504 if (avctx->sample_rate < 0) {
1505 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1506 avctx->sample_rate);
1507 ret = AVERROR(EINVAL);
1510 if (avctx->codec->channel_layouts) {
1511 if (!avctx->channel_layout) {
1512 av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
1514 for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
1515 if (avctx->channel_layout == avctx->codec->channel_layouts[i])
1517 if (avctx->codec->channel_layouts[i] == 0) {
1519 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1520 av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
1521 ret = AVERROR(EINVAL);
1526 if (avctx->channel_layout && avctx->channels) {
1527 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1528 if (channels != avctx->channels) {
1530 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1531 av_log(avctx, AV_LOG_ERROR,
1532 "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
1533 buf, channels, avctx->channels);
1534 ret = AVERROR(EINVAL);
1537 } else if (avctx->channel_layout) {
1538 avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1540 if (avctx->channels < 0) {
1541 av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
1543 ret = AVERROR(EINVAL);
1546 if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1547 pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
1548 if ( avctx->bits_per_raw_sample < 0
1549 || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
1550 av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
1551 avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
1552 avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
1554 if (avctx->width <= 0 || avctx->height <= 0) {
1555 av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
1556 ret = AVERROR(EINVAL);
1560 if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
1561 && avctx->bit_rate>0 && avctx->bit_rate<1000) {
1562 av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", (int64_t)avctx->bit_rate, (int64_t)avctx->bit_rate);
1565 if (!avctx->rc_initial_buffer_occupancy)
1566 avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
1568 if (avctx->ticks_per_frame && avctx->time_base.num &&
1569 avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
1570 av_log(avctx, AV_LOG_ERROR,
1571 "ticks_per_frame %d too large for the timebase %d/%d.",
1572 avctx->ticks_per_frame,
1573 avctx->time_base.num,
1574 avctx->time_base.den);
1578 if (avctx->hw_frames_ctx) {
1579 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1580 if (frames_ctx->format != avctx->pix_fmt) {
1581 av_log(avctx, AV_LOG_ERROR,
1582 "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
1583 ret = AVERROR(EINVAL);
1589 avctx->pts_correction_num_faulty_pts =
1590 avctx->pts_correction_num_faulty_dts = 0;
1591 avctx->pts_correction_last_pts =
1592 avctx->pts_correction_last_dts = INT64_MIN;
1594 if ( !CONFIG_GRAY && avctx->flags & AV_CODEC_FLAG_GRAY
1595 && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
1596 av_log(avctx, AV_LOG_WARNING,
1597 "gray decoding requested but not enabled at configuration time\n");
1599 if ( avctx->codec->init && (!(avctx->active_thread_type&FF_THREAD_FRAME)
1600 || avctx->internal->frame_thread_encoder)) {
1601 ret = avctx->codec->init(avctx);
1609 #if FF_API_AUDIOENC_DELAY
1610 if (av_codec_is_encoder(avctx->codec))
1611 avctx->delay = avctx->initial_padding;
1614 if (av_codec_is_decoder(avctx->codec)) {
1615 if (!avctx->bit_rate)
1616 avctx->bit_rate = get_bit_rate(avctx);
1617 /* validate channel layout from the decoder */
1618 if (avctx->channel_layout) {
1619 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1620 if (!avctx->channels)
1621 avctx->channels = channels;
1622 else if (channels != avctx->channels) {
1624 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1625 av_log(avctx, AV_LOG_WARNING,
1626 "Channel layout '%s' with %d channels does not match specified number of channels %d: "
1627 "ignoring specified channel layout\n",
1628 buf, channels, avctx->channels);
1629 avctx->channel_layout = 0;
1632 if (avctx->channels && avctx->channels < 0 ||
1633 avctx->channels > FF_SANE_NB_CHANNELS) {
1634 ret = AVERROR(EINVAL);
1637 if (avctx->sub_charenc) {
1638 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1639 av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1640 "supported with subtitles codecs\n");
1641 ret = AVERROR(EINVAL);
1643 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1644 av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1645 "subtitles character encoding will be ignored\n",
1646 avctx->codec_descriptor->name);
1647 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1649 /* input character encoding is set for a text based subtitle
1650 * codec at this point */
1651 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1652 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1654 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1656 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1657 if (cd == (iconv_t)-1) {
1658 ret = AVERROR(errno);
1659 av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1660 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1665 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1666 "conversion needs a libavcodec built with iconv support "
1667 "for this codec\n");
1668 ret = AVERROR(ENOSYS);
1675 #if FF_API_AVCTX_TIMEBASE
1676 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1677 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
1680 if (codec->priv_data_size > 0 && avctx->priv_data && codec->priv_class) {
1681 av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);
1685 ff_unlock_avcodec(codec);
1687 av_dict_free(options);
1694 (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
1695 avctx->codec->close(avctx);
1697 if (codec->priv_class && codec->priv_data_size)
1698 av_opt_free(avctx->priv_data);
1701 #if FF_API_CODED_FRAME
1702 FF_DISABLE_DEPRECATION_WARNINGS
1703 av_frame_free(&avctx->coded_frame);
1704 FF_ENABLE_DEPRECATION_WARNINGS
1708 av_freep(&avctx->priv_data);
1709 if (avctx->internal) {
1710 av_packet_free(&avctx->internal->buffer_pkt);
1711 av_frame_free(&avctx->internal->buffer_frame);
1712 av_frame_free(&avctx->internal->to_free);
1713 av_freep(&avctx->internal->pool);
1715 av_freep(&avctx->internal);
1716 avctx->codec = NULL;
1720 int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
1722 if (avpkt->size < 0) {
1723 av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
1724 return AVERROR(EINVAL);
1726 if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
1727 av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
1728 size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
1729 return AVERROR(EINVAL);
1732 if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
1733 av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
1734 if (!avpkt->data || avpkt->size < size) {
1735 av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
1736 avpkt->data = avctx->internal->byte_buffer;
1737 avpkt->size = avctx->internal->byte_buffer_size;
1742 AVBufferRef *buf = avpkt->buf;
1744 if (avpkt->size < size) {
1745 av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
1746 return AVERROR(EINVAL);
1749 av_init_packet(avpkt);
1754 int ret = av_new_packet(avpkt, size);
1756 av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
1761 int ff_alloc_packet(AVPacket *avpkt, int size)
1763 return ff_alloc_packet2(NULL, avpkt, size, 0);
1767 * Pad last frame with silence.
1769 static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
1771 AVFrame *frame = NULL;
1774 if (!(frame = av_frame_alloc()))
1775 return AVERROR(ENOMEM);
1777 frame->format = src->format;
1778 frame->channel_layout = src->channel_layout;
1779 av_frame_set_channels(frame, av_frame_get_channels(src));
1780 frame->nb_samples = s->frame_size;
1781 ret = av_frame_get_buffer(frame, 32);
1785 ret = av_frame_copy_props(frame, src);
1789 if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
1790 src->nb_samples, s->channels, s->sample_fmt)) < 0)
1792 if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
1793 frame->nb_samples - src->nb_samples,
1794 s->channels, s->sample_fmt)) < 0)
1802 av_frame_free(&frame);
1806 int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
1808 const AVFrame *frame,
1809 int *got_packet_ptr)
1811 AVFrame *extended_frame = NULL;
1812 AVFrame *padded_frame = NULL;
1814 AVPacket user_pkt = *avpkt;
1815 int needs_realloc = !user_pkt.data;
1817 *got_packet_ptr = 0;
1819 if (!avctx->codec->encode2) {
1820 av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
1821 return AVERROR(ENOSYS);
1824 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1825 av_packet_unref(avpkt);
1826 av_init_packet(avpkt);
1830 /* ensure that extended_data is properly set */
1831 if (frame && !frame->extended_data) {
1832 if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
1833 avctx->channels > AV_NUM_DATA_POINTERS) {
1834 av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
1835 "with more than %d channels, but extended_data is not set.\n",
1836 AV_NUM_DATA_POINTERS);
1837 return AVERROR(EINVAL);
1839 av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
1841 extended_frame = av_frame_alloc();
1842 if (!extended_frame)
1843 return AVERROR(ENOMEM);
1845 memcpy(extended_frame, frame, sizeof(AVFrame));
1846 extended_frame->extended_data = extended_frame->data;
1847 frame = extended_frame;
1850 /* extract audio service type metadata */
1852 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
1853 if (sd && sd->size >= sizeof(enum AVAudioServiceType))
1854 avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
1857 /* check for valid frame size */
1859 if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
1860 if (frame->nb_samples > avctx->frame_size) {
1861 av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
1862 ret = AVERROR(EINVAL);
1865 } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1866 if (frame->nb_samples < avctx->frame_size &&
1867 !avctx->internal->last_audio_frame) {
1868 ret = pad_last_frame(avctx, &padded_frame, frame);
1872 frame = padded_frame;
1873 avctx->internal->last_audio_frame = 1;
1876 if (frame->nb_samples != avctx->frame_size) {
1877 av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
1878 ret = AVERROR(EINVAL);
1884 av_assert0(avctx->codec->encode2);
1886 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1888 if (*got_packet_ptr) {
1889 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
1890 if (avpkt->pts == AV_NOPTS_VALUE)
1891 avpkt->pts = frame->pts;
1892 if (!avpkt->duration)
1893 avpkt->duration = ff_samples_to_time_base(avctx,
1896 avpkt->dts = avpkt->pts;
1901 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1903 if (user_pkt.data) {
1904 if (user_pkt.size >= avpkt->size) {
1905 memcpy(user_pkt.data, avpkt->data, avpkt->size);
1907 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
1908 avpkt->size = user_pkt.size;
1911 avpkt->buf = user_pkt.buf;
1912 avpkt->data = user_pkt.data;
1914 if (av_dup_packet(avpkt) < 0) {
1915 ret = AVERROR(ENOMEM);
1921 if (needs_realloc && avpkt->data) {
1922 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
1924 avpkt->data = avpkt->buf->data;
1927 avctx->frame_number++;
1930 if (ret < 0 || !*got_packet_ptr) {
1931 av_packet_unref(avpkt);
1932 av_init_packet(avpkt);
1936 /* NOTE: if we add any audio encoders which output non-keyframe packets,
1937 * this needs to be moved to the encoders, but for now we can do it
1938 * here to simplify things */
1939 avpkt->flags |= AV_PKT_FLAG_KEY;
1942 av_frame_free(&padded_frame);
1943 av_free(extended_frame);
1945 #if FF_API_AUDIOENC_DELAY
1946 avctx->delay = avctx->initial_padding;
1952 int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
1954 const AVFrame *frame,
1955 int *got_packet_ptr)
1958 AVPacket user_pkt = *avpkt;
1959 int needs_realloc = !user_pkt.data;
1961 *got_packet_ptr = 0;
1963 if (!avctx->codec->encode2) {
1964 av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
1965 return AVERROR(ENOSYS);
1968 if(CONFIG_FRAME_THREAD_ENCODER &&
1969 avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
1970 return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
1972 if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
1973 avctx->stats_out[0] = '\0';
1975 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1976 av_packet_unref(avpkt);
1977 av_init_packet(avpkt);
1982 if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
1983 return AVERROR(EINVAL);
1985 if (frame && frame->format == AV_PIX_FMT_NONE)
1986 av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
1987 if (frame && (frame->width == 0 || frame->height == 0))
1988 av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
1990 av_assert0(avctx->codec->encode2);
1992 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1993 av_assert0(ret <= 0);
1995 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1997 if (user_pkt.data) {
1998 if (user_pkt.size >= avpkt->size) {
1999 memcpy(user_pkt.data, avpkt->data, avpkt->size);
2001 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
2002 avpkt->size = user_pkt.size;
2005 avpkt->buf = user_pkt.buf;
2006 avpkt->data = user_pkt.data;
2008 if (av_dup_packet(avpkt) < 0) {
2009 ret = AVERROR(ENOMEM);
2015 if (!*got_packet_ptr)
2017 else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2018 avpkt->pts = avpkt->dts = frame->pts;
2020 if (needs_realloc && avpkt->data) {
2021 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
2023 avpkt->data = avpkt->buf->data;
2026 avctx->frame_number++;
2029 if (ret < 0 || !*got_packet_ptr)
2030 av_packet_unref(avpkt);
2036 int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2037 const AVSubtitle *sub)
2040 if (sub->start_display_time) {
2041 av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
2045 ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
2046 avctx->frame_number++;
2051 * Attempt to guess proper monotonic timestamps for decoded video frames
2052 * which might have incorrect times. Input timestamps may wrap around, in
2053 * which case the output will as well.
2055 * @param pts the pts field of the decoded AVPacket, as passed through
2057 * @param dts the dts field of the decoded AVPacket
2058 * @return one of the input values, may be AV_NOPTS_VALUE
2060 static int64_t guess_correct_pts(AVCodecContext *ctx,
2061 int64_t reordered_pts, int64_t dts)
2063 int64_t pts = AV_NOPTS_VALUE;
2065 if (dts != AV_NOPTS_VALUE) {
2066 ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
2067 ctx->pts_correction_last_dts = dts;
2068 } else if (reordered_pts != AV_NOPTS_VALUE)
2069 ctx->pts_correction_last_dts = reordered_pts;
2071 if (reordered_pts != AV_NOPTS_VALUE) {
2072 ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
2073 ctx->pts_correction_last_pts = reordered_pts;
2074 } else if(dts != AV_NOPTS_VALUE)
2075 ctx->pts_correction_last_pts = dts;
2077 if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
2078 && reordered_pts != AV_NOPTS_VALUE)
2079 pts = reordered_pts;
2086 static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
2089 const uint8_t *data;
2093 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
2097 if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
2098 av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
2099 "changes, but PARAM_CHANGE side data was sent to it.\n");
2100 ret = AVERROR(EINVAL);
2107 flags = bytestream_get_le32(&data);
2110 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
2113 val = bytestream_get_le32(&data);
2114 if (val <= 0 || val > INT_MAX) {
2115 av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
2116 ret = AVERROR_INVALIDDATA;
2119 avctx->channels = val;
2122 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
2125 avctx->channel_layout = bytestream_get_le64(&data);
2128 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
2131 val = bytestream_get_le32(&data);
2132 if (val <= 0 || val > INT_MAX) {
2133 av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
2134 ret = AVERROR_INVALIDDATA;
2137 avctx->sample_rate = val;
2140 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
2143 avctx->width = bytestream_get_le32(&data);
2144 avctx->height = bytestream_get_le32(&data);
2146 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
2153 av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
2154 ret = AVERROR_INVALIDDATA;
2157 av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
2158 if (avctx->err_recognition & AV_EF_EXPLODE)
2164 static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
2168 /* move the original frame to our backup */
2169 av_frame_unref(avci->to_free);
2170 av_frame_move_ref(avci->to_free, frame);
2172 /* now copy everything except the AVBufferRefs back
2173 * note that we make a COPY of the side data, so calling av_frame_free() on
2174 * the caller's frame will work properly */
2175 ret = av_frame_copy_props(frame, avci->to_free);
2179 memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
2180 memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
2181 if (avci->to_free->extended_data != avci->to_free->data) {
2182 int planes = av_frame_get_channels(avci->to_free);
2183 int size = planes * sizeof(*frame->extended_data);
2186 av_frame_unref(frame);
2190 frame->extended_data = av_malloc(size);
2191 if (!frame->extended_data) {
2192 av_frame_unref(frame);
2193 return AVERROR(ENOMEM);
2195 memcpy(frame->extended_data, avci->to_free->extended_data,
2198 frame->extended_data = frame->data;
2200 frame->format = avci->to_free->format;
2201 frame->width = avci->to_free->width;
2202 frame->height = avci->to_free->height;
2203 frame->channel_layout = avci->to_free->channel_layout;
2204 frame->nb_samples = avci->to_free->nb_samples;
2205 av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
2210 int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
2211 int *got_picture_ptr,
2212 const AVPacket *avpkt)
2214 AVCodecInternal *avci = avctx->internal;
2216 // copy to ensure we do not change avpkt
2217 AVPacket tmp = *avpkt;
2220 return AVERROR(EINVAL);
2221 if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
2222 av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
2223 return AVERROR(EINVAL);
2226 if (!avctx->codec->decode) {
2227 av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
2228 return AVERROR(ENOSYS);
2231 *got_picture_ptr = 0;
2232 if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
2233 return AVERROR(EINVAL);
2235 avctx->internal->pkt = avpkt;
2236 ret = apply_param_change(avctx, avpkt);
2240 av_frame_unref(picture);
2242 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
2243 (avctx->active_thread_type & FF_THREAD_FRAME)) {
2244 int did_split = av_packet_split_side_data(&tmp);
2245 ret = apply_param_change(avctx, &tmp);
2249 avctx->internal->pkt = &tmp;
2250 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2251 ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
2254 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
2256 if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
2257 picture->pkt_dts = avpkt->dts;
2259 if(!avctx->has_b_frames){
2260 av_frame_set_pkt_pos(picture, avpkt->pos);
2262 //FIXME these should be under if(!avctx->has_b_frames)
2263 /* get_buffer is supposed to set frame parameters */
2264 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
2265 if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
2266 if (!picture->width) picture->width = avctx->width;
2267 if (!picture->height) picture->height = avctx->height;
2268 if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
2273 emms_c(); //needed to avoid an emms_c() call before every return;
2275 avctx->internal->pkt = NULL;
2277 av_packet_free_side_data(&tmp);
2281 if (picture->flags & AV_FRAME_FLAG_DISCARD) {
2282 *got_picture_ptr = 0;
2284 if (*got_picture_ptr) {
2285 if (!avctx->refcounted_frames) {
2286 int err = unrefcount_frame(avci, picture);
2291 avctx->frame_number++;
2292 av_frame_set_best_effort_timestamp(picture,
2293 guess_correct_pts(avctx,
2297 av_frame_unref(picture);
2301 /* many decoders assign whole AVFrames, thus overwriting extended_data;
2302 * make sure it's set correctly */
2303 av_assert0(!picture->extended_data || picture->extended_data == picture->data);
2305 #if FF_API_AVCTX_TIMEBASE
2306 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
2307 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
2313 int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
2316 const AVPacket *avpkt)
2318 AVCodecInternal *avci = avctx->internal;
2324 return AVERROR(EINVAL);
2326 if (!avctx->codec->decode) {
2327 av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
2328 return AVERROR(ENOSYS);
2331 if (!avpkt->data && avpkt->size) {
2332 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2333 return AVERROR(EINVAL);
2335 if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
2336 av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
2337 return AVERROR(EINVAL);
2340 av_frame_unref(frame);
2342 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
2345 uint32_t discard_padding = 0;
2346 uint8_t skip_reason = 0;
2347 uint8_t discard_reason = 0;
2348 // copy to ensure we do not change avpkt
2349 AVPacket tmp = *avpkt;
2350 int did_split = av_packet_split_side_data(&tmp);
2351 ret = apply_param_change(avctx, &tmp);
2355 avctx->internal->pkt = &tmp;
2356 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2357 ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
2359 ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
2360 av_assert0(ret <= tmp.size);
2361 frame->pkt_dts = avpkt->dts;
2363 if (ret >= 0 && *got_frame_ptr) {
2364 avctx->frame_number++;
2365 av_frame_set_best_effort_timestamp(frame,
2366 guess_correct_pts(avctx,
2369 if (frame->format == AV_SAMPLE_FMT_NONE)
2370 frame->format = avctx->sample_fmt;
2371 if (!frame->channel_layout)
2372 frame->channel_layout = avctx->channel_layout;
2373 if (!av_frame_get_channels(frame))
2374 av_frame_set_channels(frame, avctx->channels);
2375 if (!frame->sample_rate)
2376 frame->sample_rate = avctx->sample_rate;
2379 side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
2380 if(side && side_size>=10) {
2381 avctx->internal->skip_samples = AV_RL32(side);
2382 discard_padding = AV_RL32(side + 4);
2383 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
2384 avctx->internal->skip_samples, (int)discard_padding);
2385 skip_reason = AV_RL8(side + 8);
2386 discard_reason = AV_RL8(side + 9);
2389 if ((frame->flags & AV_FRAME_FLAG_DISCARD) && *got_frame_ptr &&
2390 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2391 avctx->internal->skip_samples -= frame->nb_samples;
2395 if (avctx->internal->skip_samples > 0 && *got_frame_ptr &&
2396 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2397 if(frame->nb_samples <= avctx->internal->skip_samples){
2399 avctx->internal->skip_samples -= frame->nb_samples;
2400 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
2401 avctx->internal->skip_samples);
2403 av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
2404 frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
2405 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2406 int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
2407 (AVRational){1, avctx->sample_rate},
2408 avctx->pkt_timebase);
2409 if(frame->pts!=AV_NOPTS_VALUE)
2410 frame->pts += diff_ts;
2412 FF_DISABLE_DEPRECATION_WARNINGS
2413 if(frame->pkt_pts!=AV_NOPTS_VALUE)
2414 frame->pkt_pts += diff_ts;
2415 FF_ENABLE_DEPRECATION_WARNINGS
2417 if(frame->pkt_dts!=AV_NOPTS_VALUE)
2418 frame->pkt_dts += diff_ts;
2419 if (av_frame_get_pkt_duration(frame) >= diff_ts)
2420 av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
2422 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
2424 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
2425 avctx->internal->skip_samples, frame->nb_samples);
2426 frame->nb_samples -= avctx->internal->skip_samples;
2427 avctx->internal->skip_samples = 0;
2431 if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
2432 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2433 if (discard_padding == frame->nb_samples) {
2436 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2437 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
2438 (AVRational){1, avctx->sample_rate},
2439 avctx->pkt_timebase);
2440 av_frame_set_pkt_duration(frame, diff_ts);
2442 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
2444 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
2445 (int)discard_padding, frame->nb_samples);
2446 frame->nb_samples -= discard_padding;
2450 if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
2451 AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
2453 AV_WL32(fside->data, avctx->internal->skip_samples);
2454 AV_WL32(fside->data + 4, discard_padding);
2455 AV_WL8(fside->data + 8, skip_reason);
2456 AV_WL8(fside->data + 9, discard_reason);
2457 avctx->internal->skip_samples = 0;
2461 avctx->internal->pkt = NULL;
2463 av_packet_free_side_data(&tmp);
2468 if (ret >= 0 && *got_frame_ptr) {
2469 if (!avctx->refcounted_frames) {
2470 int err = unrefcount_frame(avci, frame);
2475 av_frame_unref(frame);
2478 av_assert0(ret <= avpkt->size);
2480 if (!avci->showed_multi_packet_warning &&
2481 ret >= 0 && ret != avpkt->size && !(avctx->codec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
2482 av_log(avctx, AV_LOG_WARNING, "Multiple frames in a packet.\n");
2483 avci->showed_multi_packet_warning = 1;
2489 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
2490 static int recode_subtitle(AVCodecContext *avctx,
2491 AVPacket *outpkt, const AVPacket *inpkt)
2494 iconv_t cd = (iconv_t)-1;
2501 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
2505 cd = iconv_open("UTF-8", avctx->sub_charenc);
2506 av_assert0(cd != (iconv_t)-1);
2511 if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
2512 av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
2513 ret = AVERROR(ENOMEM);
2517 ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
2520 outpkt->buf = tmp.buf;
2521 outpkt->data = tmp.data;
2522 outpkt->size = tmp.size;
2523 outb = outpkt->data;
2524 outl = outpkt->size;
2526 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
2527 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
2528 outl >= outpkt->size || inl != 0) {
2529 ret = FFMIN(AVERROR(errno), -1);
2530 av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
2531 "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
2532 av_packet_unref(&tmp);
2535 outpkt->size -= outl;
2536 memset(outpkt->data + outpkt->size, 0, outl);
2539 if (cd != (iconv_t)-1)
2543 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
2544 return AVERROR(EINVAL);
2548 static int utf8_check(const uint8_t *str)
2550 const uint8_t *byte;
2551 uint32_t codepoint, min;
2555 GET_UTF8(codepoint, *(byte++), return 0;);
2556 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
2557 1 << (5 * (byte - str) - 4);
2558 if (codepoint < min || codepoint >= 0x110000 ||
2559 codepoint == 0xFFFE /* BOM */ ||
2560 codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
2567 #if FF_API_ASS_TIMING
2568 static void insert_ts(AVBPrint *buf, int ts)
2571 av_bprintf(buf, "9:59:59.99,");
2575 h = ts/360000; ts -= 360000*h;
2576 m = ts/ 6000; ts -= 6000*m;
2577 s = ts/ 100; ts -= 100*s;
2578 av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
2582 static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
2587 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
2589 for (i = 0; i < sub->num_rects; i++) {
2592 AVSubtitleRect *rect = sub->rects[i];
2593 int ts_start, ts_duration = -1;
2596 if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
2599 av_bprint_clear(&buf);
2601 /* skip ReadOrder */
2602 dialog = strchr(rect->ass, ',');
2607 /* extract Layer or Marked */
2608 layer = strtol(dialog, (char**)&dialog, 10);
2613 /* rescale timing to ASS time base (ms) */
2614 ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
2615 if (pkt->duration != -1)
2616 ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
2617 sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
2619 /* construct ASS (standalone file form with timestamps) string */
2620 av_bprintf(&buf, "Dialogue: %ld,", layer);
2621 insert_ts(&buf, ts_start);
2622 insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
2623 av_bprintf(&buf, "%s\r\n", dialog);
2625 final_dialog = av_strdup(buf.str);
2626 if (!av_bprint_is_complete(&buf) || !final_dialog) {
2627 av_freep(&final_dialog);
2628 av_bprint_finalize(&buf, NULL);
2629 return AVERROR(ENOMEM);
2631 av_freep(&rect->ass);
2632 rect->ass = final_dialog;
2635 av_bprint_finalize(&buf, NULL);
2640 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
2646 if (!avpkt->data && avpkt->size) {
2647 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2648 return AVERROR(EINVAL);
2651 return AVERROR(EINVAL);
2652 if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
2653 av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
2654 return AVERROR(EINVAL);
2658 get_subtitle_defaults(sub);
2660 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
2661 AVPacket pkt_recoded;
2662 AVPacket tmp = *avpkt;
2663 int did_split = av_packet_split_side_data(&tmp);
2664 //apply_param_change(avctx, &tmp);
2667 /* FFMIN() prevents overflow in case the packet wasn't allocated with
2669 * If the side data is smaller than the buffer padding size, the
2670 * remaining bytes should have already been filled with zeros by the
2671 * original packet allocation anyway. */
2672 memset(tmp.data + tmp.size, 0,
2673 FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
2677 ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
2681 avctx->internal->pkt = &pkt_recoded;
2683 if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
2684 sub->pts = av_rescale_q(avpkt->pts,
2685 avctx->pkt_timebase, AV_TIME_BASE_Q);
2686 ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
2687 av_assert1((ret >= 0) >= !!*got_sub_ptr &&
2688 !!*got_sub_ptr >= !!sub->num_rects);
2690 #if FF_API_ASS_TIMING
2691 if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
2692 && *got_sub_ptr && sub->num_rects) {
2693 const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
2695 int err = convert_sub_to_old_ass_form(sub, avpkt, tb);
2701 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
2702 avctx->pkt_timebase.num) {
2703 AVRational ms = { 1, 1000 };
2704 sub->end_display_time = av_rescale_q(avpkt->duration,
2705 avctx->pkt_timebase, ms);
2708 for (i = 0; i < sub->num_rects; i++) {
2709 if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
2710 av_log(avctx, AV_LOG_ERROR,
2711 "Invalid UTF-8 in decoded subtitles text; "
2712 "maybe missing -sub_charenc option\n");
2713 avsubtitle_free(sub);
2714 return AVERROR_INVALIDDATA;
2718 if (tmp.data != pkt_recoded.data) { // did we recode?
2719 /* prevent from destroying side data from original packet */
2720 pkt_recoded.side_data = NULL;
2721 pkt_recoded.side_data_elems = 0;
2723 av_packet_unref(&pkt_recoded);
2725 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
2727 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
2729 avctx->internal->pkt = NULL;
2733 av_packet_free_side_data(&tmp);
2739 avctx->frame_number++;
2745 void avsubtitle_free(AVSubtitle *sub)
2749 for (i = 0; i < sub->num_rects; i++) {
2750 av_freep(&sub->rects[i]->data[0]);
2751 av_freep(&sub->rects[i]->data[1]);
2752 av_freep(&sub->rects[i]->data[2]);
2753 av_freep(&sub->rects[i]->data[3]);
2754 av_freep(&sub->rects[i]->text);
2755 av_freep(&sub->rects[i]->ass);
2756 av_freep(&sub->rects[i]);
2759 av_freep(&sub->rects);
2761 memset(sub, 0, sizeof(AVSubtitle));
2764 static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
2769 av_assert0(!avctx->internal->buffer_frame->buf[0]);
2772 pkt = avctx->internal->buffer_pkt;
2774 // This is the lesser evil. The field is for compatibility with legacy users
2775 // of the legacy API, and users using the new API should not be forced to
2776 // even know about this field.
2777 avctx->refcounted_frames = 1;
2779 // Some codecs (at least wma lossless) will crash when feeding drain packets
2780 // after EOF was signaled.
2781 if (avctx->internal->draining_done)
2784 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2785 ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame,
2789 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2790 ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame,
2793 ret = AVERROR(EINVAL);
2796 if (ret == AVERROR(EAGAIN))
2802 if (avctx->internal->draining && !got_frame)
2803 avctx->internal->draining_done = 1;
2805 if (ret >= pkt->size) {
2806 av_packet_unref(avctx->internal->buffer_pkt);
2810 if (pkt != avctx->internal->buffer_pkt) {
2811 av_packet_unref(avctx->internal->buffer_pkt);
2812 if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0)
2816 avctx->internal->buffer_pkt->data += consumed;
2817 avctx->internal->buffer_pkt->size -= consumed;
2818 avctx->internal->buffer_pkt->pts = AV_NOPTS_VALUE;
2819 avctx->internal->buffer_pkt->dts = AV_NOPTS_VALUE;
2823 av_assert0(avctx->internal->buffer_frame->buf[0]);
2828 int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
2832 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
2833 return AVERROR(EINVAL);
2835 if (avctx->internal->draining)
2838 if (avpkt && !avpkt->size && avpkt->data)
2839 return AVERROR(EINVAL);
2841 if (!avpkt || !avpkt->size) {
2842 avctx->internal->draining = 1;
2845 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2849 if (avctx->codec->send_packet) {
2851 AVPacket tmp = *avpkt;
2852 int did_split = av_packet_split_side_data(&tmp);
2853 ret = apply_param_change(avctx, &tmp);
2855 ret = avctx->codec->send_packet(avctx, &tmp);
2857 av_packet_free_side_data(&tmp);
2860 return avctx->codec->send_packet(avctx, NULL);
2864 // Emulation via old API. Assume avpkt is likely not refcounted, while
2865 // decoder output is always refcounted, and avoid copying.
2867 if (avctx->internal->buffer_pkt->size || avctx->internal->buffer_frame->buf[0])
2868 return AVERROR(EAGAIN);
2870 // The goal is decoding the first frame of the packet without using memcpy,
2871 // because the common case is having only 1 frame per packet (especially
2872 // with video, but audio too). In other cases, it can't be avoided, unless
2873 // the user is feeding refcounted packets.
2874 return do_decode(avctx, (AVPacket *)avpkt);
2877 int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
2881 av_frame_unref(frame);
2883 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
2884 return AVERROR(EINVAL);
2886 if (avctx->codec->receive_frame) {
2887 if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2889 ret = avctx->codec->receive_frame(avctx, frame);
2891 if (av_frame_get_best_effort_timestamp(frame) == AV_NOPTS_VALUE) {
2892 av_frame_set_best_effort_timestamp(frame,
2893 guess_correct_pts(avctx, frame->pts, frame->pkt_dts));
2899 // Emulation via old API.
2901 if (!avctx->internal->buffer_frame->buf[0]) {
2902 if (!avctx->internal->buffer_pkt->size && !avctx->internal->draining)
2903 return AVERROR(EAGAIN);
2906 if ((ret = do_decode(avctx, avctx->internal->buffer_pkt)) < 0) {
2907 av_packet_unref(avctx->internal->buffer_pkt);
2910 // Some audio decoders may consume partial data without returning
2911 // a frame (fate-wmapro-2ch). There is no way to make the caller
2912 // call avcodec_receive_frame() again without returning a frame,
2913 // so try to decode more in these cases.
2914 if (avctx->internal->buffer_frame->buf[0] ||
2915 !avctx->internal->buffer_pkt->size)
2920 if (!avctx->internal->buffer_frame->buf[0])
2921 return avctx->internal->draining ? AVERROR_EOF : AVERROR(EAGAIN);
2923 av_frame_move_ref(frame, avctx->internal->buffer_frame);
2927 static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
2932 av_packet_unref(avctx->internal->buffer_pkt);
2933 avctx->internal->buffer_pkt_valid = 0;
2935 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2936 ret = avcodec_encode_video2(avctx, avctx->internal->buffer_pkt,
2938 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2939 ret = avcodec_encode_audio2(avctx, avctx->internal->buffer_pkt,
2942 ret = AVERROR(EINVAL);
2945 if (ret >= 0 && *got_packet) {
2946 // Encoders must always return ref-counted buffers.
2947 // Side-data only packets have no data and can be not ref-counted.
2948 av_assert0(!avctx->internal->buffer_pkt->data || avctx->internal->buffer_pkt->buf);
2949 avctx->internal->buffer_pkt_valid = 1;
2952 av_packet_unref(avctx->internal->buffer_pkt);
2958 int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
2960 if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
2961 return AVERROR(EINVAL);
2963 if (avctx->internal->draining)
2967 avctx->internal->draining = 1;
2969 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2973 if (avctx->codec->send_frame)
2974 return avctx->codec->send_frame(avctx, frame);
2976 // Emulation via old API. Do it here instead of avcodec_receive_packet, because:
2977 // 1. if the AVFrame is not refcounted, the copying will be much more
2978 // expensive than copying the packet data
2979 // 2. assume few users use non-refcounted AVPackets, so usually no copy is
2982 if (avctx->internal->buffer_pkt_valid)
2983 return AVERROR(EAGAIN);
2985 return do_encode(avctx, frame, &(int){0});
2988 int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
2990 av_packet_unref(avpkt);
2992 if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
2993 return AVERROR(EINVAL);
2995 if (avctx->codec->receive_packet) {
2996 if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2998 return avctx->codec->receive_packet(avctx, avpkt);
3001 // Emulation via old API.
3003 if (!avctx->internal->buffer_pkt_valid) {
3006 if (!avctx->internal->draining)
3007 return AVERROR(EAGAIN);
3008 ret = do_encode(avctx, NULL, &got_packet);
3011 if (ret >= 0 && !got_packet)
3015 av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
3016 avctx->internal->buffer_pkt_valid = 0;
3020 av_cold int avcodec_close(AVCodecContext *avctx)
3027 if (avcodec_is_open(avctx)) {
3028 FramePool *pool = avctx->internal->pool;
3029 if (CONFIG_FRAME_THREAD_ENCODER &&
3030 avctx->internal->frame_thread_encoder && avctx->thread_count > 1) {
3031 ff_frame_thread_encoder_free(avctx);
3033 if (HAVE_THREADS && avctx->internal->thread_ctx)
3034 ff_thread_free(avctx);
3035 if (avctx->codec && avctx->codec->close)
3036 avctx->codec->close(avctx);
3037 avctx->internal->byte_buffer_size = 0;
3038 av_freep(&avctx->internal->byte_buffer);
3039 av_frame_free(&avctx->internal->to_free);
3040 av_frame_free(&avctx->internal->buffer_frame);
3041 av_packet_free(&avctx->internal->buffer_pkt);
3042 for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
3043 av_buffer_pool_uninit(&pool->pools[i]);
3044 av_freep(&avctx->internal->pool);
3046 if (avctx->hwaccel && avctx->hwaccel->uninit)
3047 avctx->hwaccel->uninit(avctx);
3048 av_freep(&avctx->internal->hwaccel_priv_data);
3050 av_freep(&avctx->internal);
3053 for (i = 0; i < avctx->nb_coded_side_data; i++)
3054 av_freep(&avctx->coded_side_data[i].data);
3055 av_freep(&avctx->coded_side_data);
3056 avctx->nb_coded_side_data = 0;
3058 av_buffer_unref(&avctx->hw_frames_ctx);
3060 if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
3061 av_opt_free(avctx->priv_data);
3063 av_freep(&avctx->priv_data);
3064 if (av_codec_is_encoder(avctx->codec)) {
3065 av_freep(&avctx->extradata);
3066 #if FF_API_CODED_FRAME
3067 FF_DISABLE_DEPRECATION_WARNINGS
3068 av_frame_free(&avctx->coded_frame);
3069 FF_ENABLE_DEPRECATION_WARNINGS
3072 avctx->codec = NULL;
3073 avctx->active_thread_type = 0;
3078 static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
3081 //This is for future deprecatec codec ids, its empty since
3082 //last major bump but will fill up again over time, please don't remove it
3083 default : return id;
3087 static AVCodec *find_encdec(enum AVCodecID id, int encoder)
3089 AVCodec *p, *experimental = NULL;
3091 id= remap_deprecated_codec_id(id);
3093 if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
3095 if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
3102 return experimental;
3105 AVCodec *avcodec_find_encoder(enum AVCodecID id)
3107 return find_encdec(id, 1);
3110 AVCodec *avcodec_find_encoder_by_name(const char *name)
3117 if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
3124 AVCodec *avcodec_find_decoder(enum AVCodecID id)
3126 return find_encdec(id, 0);
3129 AVCodec *avcodec_find_decoder_by_name(const char *name)
3136 if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
3143 const char *avcodec_get_name(enum AVCodecID id)
3145 const AVCodecDescriptor *cd;
3148 if (id == AV_CODEC_ID_NONE)
3150 cd = avcodec_descriptor_get(id);
3153 av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
3154 codec = avcodec_find_decoder(id);
3157 codec = avcodec_find_encoder(id);
3160 return "unknown_codec";
3163 size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
3165 int i, len, ret = 0;
3167 #define TAG_PRINT(x) \
3168 (((x) >= '0' && (x) <= '9') || \
3169 ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
3170 ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
3172 for (i = 0; i < 4; i++) {
3173 len = snprintf(buf, buf_size,
3174 TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
3176 buf_size = buf_size > len ? buf_size - len : 0;
3183 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
3185 const char *codec_type;
3186 const char *codec_name;
3187 const char *profile = NULL;
3190 AVRational display_aspect_ratio;
3191 const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", ";
3193 if (!buf || buf_size <= 0)
3195 codec_type = av_get_media_type_string(enc->codec_type);
3196 codec_name = avcodec_get_name(enc->codec_id);
3197 profile = avcodec_profile_name(enc->codec_id, enc->profile);
3199 snprintf(buf, buf_size, "%s: %s", codec_type ? codec_type : "unknown",
3201 buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
3203 if (enc->codec && strcmp(enc->codec->name, codec_name))
3204 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", enc->codec->name);
3207 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile);
3208 if ( enc->codec_type == AVMEDIA_TYPE_VIDEO
3209 && av_log_get_level() >= AV_LOG_VERBOSE
3211 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3212 ", %d reference frame%s",
3213 enc->refs, enc->refs > 1 ? "s" : "");
3215 if (enc->codec_tag) {
3217 av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
3218 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3219 " (%s / 0x%04X)", tag_buf, enc->codec_tag);
3222 switch (enc->codec_type) {
3223 case AVMEDIA_TYPE_VIDEO:
3225 char detail[256] = "(";
3227 av_strlcat(buf, separator, buf_size);
3229 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3230 "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
3231 av_get_pix_fmt_name(enc->pix_fmt));
3232 if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
3233 enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth)
3234 av_strlcatf(detail, sizeof(detail), "%d bpc, ", enc->bits_per_raw_sample);
3235 if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
3236 av_strlcatf(detail, sizeof(detail), "%s, ",
3237 av_color_range_name(enc->color_range));
3239 if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
3240 enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
3241 enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
3242 if (enc->colorspace != (int)enc->color_primaries ||
3243 enc->colorspace != (int)enc->color_trc) {
3245 av_strlcatf(detail, sizeof(detail), "%s/%s/%s, ",
3246 av_color_space_name(enc->colorspace),
3247 av_color_primaries_name(enc->color_primaries),
3248 av_color_transfer_name(enc->color_trc));
3250 av_strlcatf(detail, sizeof(detail), "%s, ",
3251 av_get_colorspace_name(enc->colorspace));
3254 if (av_log_get_level() >= AV_LOG_VERBOSE &&
3255 enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
3256 av_strlcatf(detail, sizeof(detail), "%s, ",
3257 av_chroma_location_name(enc->chroma_sample_location));
3259 if (strlen(detail) > 1) {
3260 detail[strlen(detail) - 2] = 0;
3261 av_strlcatf(buf, buf_size, "%s)", detail);
3266 av_strlcat(buf, new_line ? separator : ", ", buf_size);
3268 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3270 enc->width, enc->height);
3272 if (av_log_get_level() >= AV_LOG_VERBOSE &&
3273 (enc->width != enc->coded_width ||
3274 enc->height != enc->coded_height))
3275 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3276 " (%dx%d)", enc->coded_width, enc->coded_height);
3278 if (enc->sample_aspect_ratio.num) {
3279 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
3280 enc->width * (int64_t)enc->sample_aspect_ratio.num,
3281 enc->height * (int64_t)enc->sample_aspect_ratio.den,
3283 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3284 " [SAR %d:%d DAR %d:%d]",
3285 enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
3286 display_aspect_ratio.num, display_aspect_ratio.den);
3288 if (av_log_get_level() >= AV_LOG_DEBUG) {
3289 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3290 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3292 enc->time_base.num / g, enc->time_base.den / g);
3296 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3297 ", q=%d-%d", enc->qmin, enc->qmax);
3299 if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS)
3300 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3301 ", Closed Captions");
3302 if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS)
3303 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3307 case AVMEDIA_TYPE_AUDIO:
3308 av_strlcat(buf, separator, buf_size);
3310 if (enc->sample_rate) {
3311 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3312 "%d Hz, ", enc->sample_rate);
3314 av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
3315 if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
3316 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3317 ", %s", av_get_sample_fmt_name(enc->sample_fmt));
3319 if ( enc->bits_per_raw_sample > 0
3320 && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8)
3321 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3322 " (%d bit)", enc->bits_per_raw_sample);
3323 if (av_log_get_level() >= AV_LOG_VERBOSE) {
3324 if (enc->initial_padding)
3325 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3326 ", delay %d", enc->initial_padding);
3327 if (enc->trailing_padding)
3328 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3329 ", padding %d", enc->trailing_padding);
3332 case AVMEDIA_TYPE_DATA:
3333 if (av_log_get_level() >= AV_LOG_DEBUG) {
3334 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3336 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3338 enc->time_base.num / g, enc->time_base.den / g);
3341 case AVMEDIA_TYPE_SUBTITLE:
3343 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3344 ", %dx%d", enc->width, enc->height);
3350 if (enc->flags & AV_CODEC_FLAG_PASS1)
3351 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3353 if (enc->flags & AV_CODEC_FLAG_PASS2)
3354 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3357 bitrate = get_bit_rate(enc);
3359 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3360 ", %"PRId64" kb/s", bitrate / 1000);
3361 } else if (enc->rc_max_rate > 0) {
3362 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3363 ", max. %"PRId64" kb/s", (int64_t)enc->rc_max_rate / 1000);
3367 const char *av_get_profile_name(const AVCodec *codec, int profile)
3370 if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
3373 for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3374 if (p->profile == profile)
3380 const char *avcodec_profile_name(enum AVCodecID codec_id, int profile)
3382 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
3385 if (profile == FF_PROFILE_UNKNOWN || !desc || !desc->profiles)
3388 for (p = desc->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3389 if (p->profile == profile)
3395 unsigned avcodec_version(void)
3397 // av_assert0(AV_CODEC_ID_V410==164);
3398 av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
3399 av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
3400 // av_assert0(AV_CODEC_ID_BMV_AUDIO==86071);
3401 av_assert0(AV_CODEC_ID_SRT==94216);
3402 av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
3404 return LIBAVCODEC_VERSION_INT;
3407 const char *avcodec_configuration(void)
3409 return FFMPEG_CONFIGURATION;
3412 const char *avcodec_license(void)
3414 #define LICENSE_PREFIX "libavcodec license: "
3415 return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
3418 void avcodec_flush_buffers(AVCodecContext *avctx)
3420 avctx->internal->draining = 0;
3421 avctx->internal->draining_done = 0;
3422 av_frame_unref(avctx->internal->buffer_frame);
3423 av_packet_unref(avctx->internal->buffer_pkt);
3424 avctx->internal->buffer_pkt_valid = 0;
3426 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
3427 ff_thread_flush(avctx);
3428 else if (avctx->codec->flush)
3429 avctx->codec->flush(avctx);
3431 avctx->pts_correction_last_pts =
3432 avctx->pts_correction_last_dts = INT64_MIN;
3434 if (!avctx->refcounted_frames)
3435 av_frame_unref(avctx->internal->to_free);
3438 int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
3441 case AV_CODEC_ID_8SVX_EXP:
3442 case AV_CODEC_ID_8SVX_FIB:
3443 case AV_CODEC_ID_ADPCM_CT:
3444 case AV_CODEC_ID_ADPCM_IMA_APC:
3445 case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
3446 case AV_CODEC_ID_ADPCM_IMA_OKI:
3447 case AV_CODEC_ID_ADPCM_IMA_WS:
3448 case AV_CODEC_ID_ADPCM_G722:
3449 case AV_CODEC_ID_ADPCM_YAMAHA:
3450 case AV_CODEC_ID_ADPCM_AICA:
3452 case AV_CODEC_ID_DSD_LSBF:
3453 case AV_CODEC_ID_DSD_MSBF:
3454 case AV_CODEC_ID_DSD_LSBF_PLANAR:
3455 case AV_CODEC_ID_DSD_MSBF_PLANAR:
3456 case AV_CODEC_ID_PCM_ALAW:
3457 case AV_CODEC_ID_PCM_MULAW:
3458 case AV_CODEC_ID_PCM_S8:
3459 case AV_CODEC_ID_PCM_S8_PLANAR:
3460 case AV_CODEC_ID_PCM_U8:
3461 case AV_CODEC_ID_PCM_ZORK:
3462 case AV_CODEC_ID_SDX2_DPCM:
3464 case AV_CODEC_ID_PCM_S16BE:
3465 case AV_CODEC_ID_PCM_S16BE_PLANAR:
3466 case AV_CODEC_ID_PCM_S16LE:
3467 case AV_CODEC_ID_PCM_S16LE_PLANAR:
3468 case AV_CODEC_ID_PCM_U16BE:
3469 case AV_CODEC_ID_PCM_U16LE:
3471 case AV_CODEC_ID_PCM_S24DAUD:
3472 case AV_CODEC_ID_PCM_S24BE:
3473 case AV_CODEC_ID_PCM_S24LE:
3474 case AV_CODEC_ID_PCM_S24LE_PLANAR:
3475 case AV_CODEC_ID_PCM_U24BE:
3476 case AV_CODEC_ID_PCM_U24LE:
3478 case AV_CODEC_ID_PCM_S32BE:
3479 case AV_CODEC_ID_PCM_S32LE:
3480 case AV_CODEC_ID_PCM_S32LE_PLANAR:
3481 case AV_CODEC_ID_PCM_U32BE:
3482 case AV_CODEC_ID_PCM_U32LE:
3483 case AV_CODEC_ID_PCM_F32BE:
3484 case AV_CODEC_ID_PCM_F32LE:
3486 case AV_CODEC_ID_PCM_F64BE:
3487 case AV_CODEC_ID_PCM_F64LE:
3488 case AV_CODEC_ID_PCM_S64BE:
3489 case AV_CODEC_ID_PCM_S64LE:
3496 enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
3498 static const enum AVCodecID map[AV_SAMPLE_FMT_NB][2] = {
3499 [AV_SAMPLE_FMT_U8 ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3500 [AV_SAMPLE_FMT_S16 ] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3501 [AV_SAMPLE_FMT_S32 ] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3502 [AV_SAMPLE_FMT_FLT ] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3503 [AV_SAMPLE_FMT_DBL ] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3504 [AV_SAMPLE_FMT_U8P ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3505 [AV_SAMPLE_FMT_S16P] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3506 [AV_SAMPLE_FMT_S32P] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3507 [AV_SAMPLE_FMT_S64P] = { AV_CODEC_ID_PCM_S64LE, AV_CODEC_ID_PCM_S64BE },
3508 [AV_SAMPLE_FMT_FLTP] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3509 [AV_SAMPLE_FMT_DBLP] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3511 if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB)
3512 return AV_CODEC_ID_NONE;
3513 if (be < 0 || be > 1)
3515 return map[fmt][be];
3518 int av_get_bits_per_sample(enum AVCodecID codec_id)
3521 case AV_CODEC_ID_ADPCM_SBPRO_2:
3523 case AV_CODEC_ID_ADPCM_SBPRO_3:
3525 case AV_CODEC_ID_ADPCM_SBPRO_4:
3526 case AV_CODEC_ID_ADPCM_IMA_WAV:
3527 case AV_CODEC_ID_ADPCM_IMA_QT:
3528 case AV_CODEC_ID_ADPCM_SWF:
3529 case AV_CODEC_ID_ADPCM_MS:
3532 return av_get_exact_bits_per_sample(codec_id);
3536 static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
3537 uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
3538 uint8_t * extradata, int frame_size, int frame_bytes)
3540 int bps = av_get_exact_bits_per_sample(id);
3541 int framecount = (ba > 0 && frame_bytes / ba > 0) ? frame_bytes / ba : 1;
3543 /* codecs with an exact constant bits per sample */
3544 if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
3545 return (frame_bytes * 8LL) / (bps * ch);
3546 bps = bits_per_coded_sample;
3548 /* codecs with a fixed packet duration */
3550 case AV_CODEC_ID_ADPCM_ADX: return 32;
3551 case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
3552 case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
3553 case AV_CODEC_ID_AMR_NB:
3554 case AV_CODEC_ID_EVRC:
3555 case AV_CODEC_ID_GSM:
3556 case AV_CODEC_ID_QCELP:
3557 case AV_CODEC_ID_RA_288: return 160;
3558 case AV_CODEC_ID_AMR_WB:
3559 case AV_CODEC_ID_GSM_MS: return 320;
3560 case AV_CODEC_ID_MP1: return 384;
3561 case AV_CODEC_ID_ATRAC1: return 512;
3562 case AV_CODEC_ID_ATRAC3: return 1024 * framecount;
3563 case AV_CODEC_ID_ATRAC3P: return 2048;
3564 case AV_CODEC_ID_MP2:
3565 case AV_CODEC_ID_MUSEPACK7: return 1152;
3566 case AV_CODEC_ID_AC3: return 1536;
3570 /* calc from sample rate */
3571 if (id == AV_CODEC_ID_TTA)
3572 return 256 * sr / 245;
3573 else if (id == AV_CODEC_ID_DST)
3574 return 588 * sr / 44100;
3577 /* calc from sample rate and channels */
3578 if (id == AV_CODEC_ID_BINKAUDIO_DCT)
3579 return (480 << (sr / 22050)) / ch;
3584 /* calc from block_align */
3585 if (id == AV_CODEC_ID_SIPR) {
3587 case 20: return 160;
3588 case 19: return 144;
3589 case 29: return 288;
3590 case 37: return 480;
3592 } else if (id == AV_CODEC_ID_ILBC) {
3594 case 38: return 160;
3595 case 50: return 240;
3600 if (frame_bytes > 0) {
3601 /* calc from frame_bytes only */
3602 if (id == AV_CODEC_ID_TRUESPEECH)
3603 return 240 * (frame_bytes / 32);
3604 if (id == AV_CODEC_ID_NELLYMOSER)
3605 return 256 * (frame_bytes / 64);
3606 if (id == AV_CODEC_ID_RA_144)
3607 return 160 * (frame_bytes / 20);
3608 if (id == AV_CODEC_ID_G723_1)
3609 return 240 * (frame_bytes / 24);
3612 /* calc from frame_bytes and bits_per_coded_sample */
3613 if (id == AV_CODEC_ID_ADPCM_G726)
3614 return frame_bytes * 8 / bps;
3617 if (ch > 0 && ch < INT_MAX/16) {
3618 /* calc from frame_bytes and channels */
3620 case AV_CODEC_ID_ADPCM_AFC:
3621 return frame_bytes / (9 * ch) * 16;
3622 case AV_CODEC_ID_ADPCM_PSX:
3623 case AV_CODEC_ID_ADPCM_DTK:
3624 return frame_bytes / (16 * ch) * 28;
3625 case AV_CODEC_ID_ADPCM_4XM:
3626 case AV_CODEC_ID_ADPCM_IMA_DAT4:
3627 case AV_CODEC_ID_ADPCM_IMA_ISS:
3628 return (frame_bytes - 4 * ch) * 2 / ch;
3629 case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
3630 return (frame_bytes - 4) * 2 / ch;
3631 case AV_CODEC_ID_ADPCM_IMA_AMV:
3632 return (frame_bytes - 8) * 2 / ch;
3633 case AV_CODEC_ID_ADPCM_THP:
3634 case AV_CODEC_ID_ADPCM_THP_LE:
3636 return frame_bytes * 14 / (8 * ch);
3638 case AV_CODEC_ID_ADPCM_XA:
3639 return (frame_bytes / 128) * 224 / ch;
3640 case AV_CODEC_ID_INTERPLAY_DPCM:
3641 return (frame_bytes - 6 - ch) / ch;
3642 case AV_CODEC_ID_ROQ_DPCM:
3643 return (frame_bytes - 8) / ch;
3644 case AV_CODEC_ID_XAN_DPCM:
3645 return (frame_bytes - 2 * ch) / ch;
3646 case AV_CODEC_ID_MACE3:
3647 return 3 * frame_bytes / ch;
3648 case AV_CODEC_ID_MACE6:
3649 return 6 * frame_bytes / ch;
3650 case AV_CODEC_ID_PCM_LXF:
3651 return 2 * (frame_bytes / (5 * ch));
3652 case AV_CODEC_ID_IAC:
3653 case AV_CODEC_ID_IMC:
3654 return 4 * frame_bytes / ch;
3658 /* calc from frame_bytes, channels, and codec_tag */
3659 if (id == AV_CODEC_ID_SOL_DPCM) {
3661 return frame_bytes / ch;
3663 return frame_bytes * 2 / ch;
3668 /* calc from frame_bytes, channels, and block_align */
3669 int blocks = frame_bytes / ba;
3671 case AV_CODEC_ID_ADPCM_IMA_WAV:
3672 if (bps < 2 || bps > 5)
3674 return blocks * (1 + (ba - 4 * ch) / (bps * ch) * 8);
3675 case AV_CODEC_ID_ADPCM_IMA_DK3:
3676 return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
3677 case AV_CODEC_ID_ADPCM_IMA_DK4:
3678 return blocks * (1 + (ba - 4 * ch) * 2 / ch);
3679 case AV_CODEC_ID_ADPCM_IMA_RAD:
3680 return blocks * ((ba - 4 * ch) * 2 / ch);
3681 case AV_CODEC_ID_ADPCM_MS:
3682 return blocks * (2 + (ba - 7 * ch) * 2 / ch);
3683 case AV_CODEC_ID_ADPCM_MTAF:
3684 return blocks * (ba - 16) * 2 / ch;
3689 /* calc from frame_bytes, channels, and bits_per_coded_sample */
3691 case AV_CODEC_ID_PCM_DVD:
3694 return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
3695 case AV_CODEC_ID_PCM_BLURAY:
3698 return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
3699 case AV_CODEC_ID_S302M:
3700 return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
3706 /* Fall back on using frame_size */
3707 if (frame_size > 1 && frame_bytes)
3710 //For WMA we currently have no other means to calculate duration thus we
3711 //do it here by assuming CBR, which is true for all known cases.
3712 if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
3713 if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
3714 return (frame_bytes * 8LL * sr) / bitrate;
3720 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
3722 return get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
3723 avctx->channels, avctx->block_align,
3724 avctx->codec_tag, avctx->bits_per_coded_sample,
3725 avctx->bit_rate, avctx->extradata, avctx->frame_size,
3729 int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
3731 return get_audio_frame_duration(par->codec_id, par->sample_rate,
3732 par->channels, par->block_align,
3733 par->codec_tag, par->bits_per_coded_sample,
3734 par->bit_rate, par->extradata, par->frame_size,
3739 int ff_thread_init(AVCodecContext *s)
3746 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
3760 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
3763 for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
3767 #if FF_API_MISSING_SAMPLE
3768 FF_DISABLE_DEPRECATION_WARNINGS
3769 void av_log_missing_feature(void *avc, const char *feature, int want_sample)
3771 av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your FFmpeg "
3772 "version to the newest one from Git. If the problem still "
3773 "occurs, it means that your file has a feature which has not "
3774 "been implemented.\n", feature);
3776 av_log_ask_for_sample(avc, NULL);
3779 void av_log_ask_for_sample(void *avc, const char *msg, ...)
3781 va_list argument_list;
3783 va_start(argument_list, msg);
3786 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
3787 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
3788 "of this file to ftp://upload.ffmpeg.org/incoming/ "
3789 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n");
3791 va_end(argument_list);
3793 FF_ENABLE_DEPRECATION_WARNINGS
3794 #endif /* FF_API_MISSING_SAMPLE */
3796 static AVHWAccel *first_hwaccel = NULL;
3797 static AVHWAccel **last_hwaccel = &first_hwaccel;
3799 void av_register_hwaccel(AVHWAccel *hwaccel)
3801 AVHWAccel **p = last_hwaccel;
3802 hwaccel->next = NULL;
3803 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, hwaccel))
3805 last_hwaccel = &hwaccel->next;
3808 AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
3810 return hwaccel ? hwaccel->next : first_hwaccel;
3813 int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
3816 // There is no good way to rollback a failure to destroy the
3817 // mutex, so we ignore failures.
3818 lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
3819 lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
3822 avformat_mutex = NULL;
3826 void *new_codec_mutex = NULL;
3827 void *new_avformat_mutex = NULL;
3829 if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
3830 return err > 0 ? AVERROR_UNKNOWN : err;
3832 if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
3833 // Ignore failures to destroy the newly created mutex.
3834 cb(&new_codec_mutex, AV_LOCK_DESTROY);
3835 return err > 0 ? AVERROR_UNKNOWN : err;
3838 codec_mutex = new_codec_mutex;
3839 avformat_mutex = new_avformat_mutex;
3845 int ff_lock_avcodec(AVCodecContext *log_ctx, const AVCodec *codec)
3847 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3851 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
3855 if (avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, 1) != 1) {
3856 av_log(log_ctx, AV_LOG_ERROR,
3857 "Insufficient thread locking. At least %d threads are "
3858 "calling avcodec_open2() at the same time right now.\n",
3859 entangled_thread_counter);
3861 av_log(log_ctx, AV_LOG_ERROR, "No lock manager is set, please see av_lockmgr_register()\n");
3862 ff_avcodec_locked = 1;
3863 ff_unlock_avcodec(codec);
3864 return AVERROR(EINVAL);
3866 av_assert0(!ff_avcodec_locked);
3867 ff_avcodec_locked = 1;
3871 int ff_unlock_avcodec(const AVCodec *codec)
3873 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3876 av_assert0(ff_avcodec_locked);
3877 ff_avcodec_locked = 0;
3878 avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, -1);
3880 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE))
3887 int avpriv_lock_avformat(void)
3890 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
3896 int avpriv_unlock_avformat(void)
3899 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
3905 unsigned int avpriv_toupper4(unsigned int x)
3907 return av_toupper(x & 0xFF) +
3908 (av_toupper((x >> 8) & 0xFF) << 8) +
3909 (av_toupper((x >> 16) & 0xFF) << 16) +
3910 ((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
3913 int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
3917 dst->owner = src->owner;
3919 ret = av_frame_ref(dst->f, src->f);
3923 av_assert0(!dst->progress);
3925 if (src->progress &&
3926 !(dst->progress = av_buffer_ref(src->progress))) {
3927 ff_thread_release_buffer(dst->owner, dst);
3928 return AVERROR(ENOMEM);
3936 enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
3938 return ff_get_format(avctx, fmt);
3941 int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
3944 return ff_get_buffer(avctx, f->f, flags);
3947 void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
3950 av_frame_unref(f->f);
3953 void ff_thread_finish_setup(AVCodecContext *avctx)
3957 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
3961 void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
3965 int ff_thread_can_start_frame(AVCodecContext *avctx)
3970 int ff_alloc_entries(AVCodecContext *avctx, int count)
3975 void ff_reset_entries(AVCodecContext *avctx)
3979 void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
3983 void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
3989 int avcodec_is_open(AVCodecContext *s)
3991 return !!s->internal;
3994 int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
3999 ret = av_bprint_finalize(buf, &str);
4002 if (!av_bprint_is_complete(buf)) {
4004 return AVERROR(ENOMEM);
4007 avctx->extradata = str;
4008 /* Note: the string is NUL terminated (so extradata can be read as a
4009 * string), but the ending character is not accounted in the size (in
4010 * binary formats you are likely not supposed to mux that character). When
4011 * extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
4013 avctx->extradata_size = buf->len;
4017 const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
4019 uint32_t *av_restrict state)
4023 av_assert0(p <= end);
4027 for (i = 0; i < 3; i++) {
4028 uint32_t tmp = *state << 8;
4029 *state = tmp + *(p++);
4030 if (tmp == 0x100 || p == end)
4035 if (p[-1] > 1 ) p += 3;
4036 else if (p[-2] ) p += 2;
4037 else if (p[-3]|(p[-1]-1)) p++;
4044 p = FFMIN(p, end) - 4;
4045 *state = AV_RB32(p);
4050 AVCPBProperties *av_cpb_properties_alloc(size_t *size)
4052 AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
4057 *size = sizeof(*props);
4059 props->vbv_delay = UINT64_MAX;
4064 AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
4066 AVPacketSideData *tmp;
4067 AVCPBProperties *props;
4070 props = av_cpb_properties_alloc(&size);
4074 tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
4080 avctx->coded_side_data = tmp;
4081 avctx->nb_coded_side_data++;
4083 avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
4084 avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
4085 avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
4090 static void codec_parameters_reset(AVCodecParameters *par)
4092 av_freep(&par->extradata);
4094 memset(par, 0, sizeof(*par));
4096 par->codec_type = AVMEDIA_TYPE_UNKNOWN;
4097 par->codec_id = AV_CODEC_ID_NONE;
4099 par->field_order = AV_FIELD_UNKNOWN;
4100 par->color_range = AVCOL_RANGE_UNSPECIFIED;
4101 par->color_primaries = AVCOL_PRI_UNSPECIFIED;
4102 par->color_trc = AVCOL_TRC_UNSPECIFIED;
4103 par->color_space = AVCOL_SPC_UNSPECIFIED;
4104 par->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
4105 par->sample_aspect_ratio = (AVRational){ 0, 1 };
4106 par->profile = FF_PROFILE_UNKNOWN;
4107 par->level = FF_LEVEL_UNKNOWN;
4110 AVCodecParameters *avcodec_parameters_alloc(void)
4112 AVCodecParameters *par = av_mallocz(sizeof(*par));
4116 codec_parameters_reset(par);
4120 void avcodec_parameters_free(AVCodecParameters **ppar)
4122 AVCodecParameters *par = *ppar;
4126 codec_parameters_reset(par);
4131 int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
4133 codec_parameters_reset(dst);
4134 memcpy(dst, src, sizeof(*dst));
4136 dst->extradata = NULL;
4137 dst->extradata_size = 0;
4138 if (src->extradata) {
4139 dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4140 if (!dst->extradata)
4141 return AVERROR(ENOMEM);
4142 memcpy(dst->extradata, src->extradata, src->extradata_size);
4143 dst->extradata_size = src->extradata_size;
4149 int avcodec_parameters_from_context(AVCodecParameters *par,
4150 const AVCodecContext *codec)
4152 codec_parameters_reset(par);
4154 par->codec_type = codec->codec_type;
4155 par->codec_id = codec->codec_id;
4156 par->codec_tag = codec->codec_tag;
4158 par->bit_rate = codec->bit_rate;
4159 par->bits_per_coded_sample = codec->bits_per_coded_sample;
4160 par->bits_per_raw_sample = codec->bits_per_raw_sample;
4161 par->profile = codec->profile;
4162 par->level = codec->level;
4164 switch (par->codec_type) {
4165 case AVMEDIA_TYPE_VIDEO:
4166 par->format = codec->pix_fmt;
4167 par->width = codec->width;
4168 par->height = codec->height;
4169 par->field_order = codec->field_order;
4170 par->color_range = codec->color_range;
4171 par->color_primaries = codec->color_primaries;
4172 par->color_trc = codec->color_trc;
4173 par->color_space = codec->colorspace;
4174 par->chroma_location = codec->chroma_sample_location;
4175 par->sample_aspect_ratio = codec->sample_aspect_ratio;
4176 par->video_delay = codec->has_b_frames;
4178 case AVMEDIA_TYPE_AUDIO:
4179 par->format = codec->sample_fmt;
4180 par->channel_layout = codec->channel_layout;
4181 par->channels = codec->channels;
4182 par->sample_rate = codec->sample_rate;
4183 par->block_align = codec->block_align;
4184 par->frame_size = codec->frame_size;
4185 par->initial_padding = codec->initial_padding;
4186 par->trailing_padding = codec->trailing_padding;
4187 par->seek_preroll = codec->seek_preroll;
4189 case AVMEDIA_TYPE_SUBTITLE:
4190 par->width = codec->width;
4191 par->height = codec->height;
4195 if (codec->extradata) {
4196 par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4197 if (!par->extradata)
4198 return AVERROR(ENOMEM);
4199 memcpy(par->extradata, codec->extradata, codec->extradata_size);
4200 par->extradata_size = codec->extradata_size;
4206 int avcodec_parameters_to_context(AVCodecContext *codec,
4207 const AVCodecParameters *par)
4209 codec->codec_type = par->codec_type;
4210 codec->codec_id = par->codec_id;
4211 codec->codec_tag = par->codec_tag;
4213 codec->bit_rate = par->bit_rate;
4214 codec->bits_per_coded_sample = par->bits_per_coded_sample;
4215 codec->bits_per_raw_sample = par->bits_per_raw_sample;
4216 codec->profile = par->profile;
4217 codec->level = par->level;
4219 switch (par->codec_type) {
4220 case AVMEDIA_TYPE_VIDEO:
4221 codec->pix_fmt = par->format;
4222 codec->width = par->width;
4223 codec->height = par->height;
4224 codec->field_order = par->field_order;
4225 codec->color_range = par->color_range;
4226 codec->color_primaries = par->color_primaries;
4227 codec->color_trc = par->color_trc;
4228 codec->colorspace = par->color_space;
4229 codec->chroma_sample_location = par->chroma_location;
4230 codec->sample_aspect_ratio = par->sample_aspect_ratio;
4231 codec->has_b_frames = par->video_delay;
4233 case AVMEDIA_TYPE_AUDIO:
4234 codec->sample_fmt = par->format;
4235 codec->channel_layout = par->channel_layout;
4236 codec->channels = par->channels;
4237 codec->sample_rate = par->sample_rate;
4238 codec->block_align = par->block_align;
4239 codec->frame_size = par->frame_size;
4241 codec->initial_padding = par->initial_padding;
4242 codec->trailing_padding = par->trailing_padding;
4243 codec->seek_preroll = par->seek_preroll;
4245 case AVMEDIA_TYPE_SUBTITLE:
4246 codec->width = par->width;
4247 codec->height = par->height;
4251 if (par->extradata) {
4252 av_freep(&codec->extradata);
4253 codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4254 if (!codec->extradata)
4255 return AVERROR(ENOMEM);
4256 memcpy(codec->extradata, par->extradata, par->extradata_size);
4257 codec->extradata_size = par->extradata_size;
4263 int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
4264 void **data, size_t *sei_size)
4266 AVFrameSideData *side_data = NULL;
4270 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC);
4277 *sei_size = side_data->size + 11;
4278 *data = av_mallocz(*sei_size + prefix_len);
4280 return AVERROR(ENOMEM);
4281 sei_data = (uint8_t*)*data + prefix_len;
4289 * 'GA94' is standard in North America for ATSC, but hard coding
4290 * this style may not be the right thing to do -- other formats
4291 * do exist. This information is not available in the side_data
4292 * so we are going with this right now.
4294 AV_WL32(sei_data + 3, MKTAG('G', 'A', '9', '4'));
4296 sei_data[8] = ((side_data->size/3) & 0x1f) | 0x40;
4299 memcpy(sei_data + 10, side_data->data, side_data->size);
4301 sei_data[side_data->size+10] = 255;