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);
1017 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
1021 for (i = 0; i < count; i++) {
1022 int r = func(c, arg, i, 0);
1030 enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags,
1031 unsigned int fourcc)
1033 while (tags->pix_fmt >= 0) {
1034 if (tags->fourcc == fourcc)
1035 return tags->pix_fmt;
1038 return AV_PIX_FMT_NONE;
1041 static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
1043 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1044 return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
1047 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
1049 while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
1054 static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
1055 enum AVPixelFormat pix_fmt)
1057 AVHWAccel *hwaccel = NULL;
1059 while ((hwaccel = av_hwaccel_next(hwaccel)))
1060 if (hwaccel->id == codec_id
1061 && hwaccel->pix_fmt == pix_fmt)
1066 static int setup_hwaccel(AVCodecContext *avctx,
1067 const enum AVPixelFormat fmt,
1070 AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
1073 if (avctx->active_thread_type & FF_THREAD_FRAME) {
1074 av_log(avctx, AV_LOG_WARNING,
1075 "Hardware accelerated decoding with frame threading is known to be unstable and its use is discouraged.\n");
1079 av_log(avctx, AV_LOG_ERROR,
1080 "Could not find an AVHWAccel for the pixel format: %s",
1082 return AVERROR(ENOENT);
1085 if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1086 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1087 av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1089 return AVERROR_PATCHWELCOME;
1092 if (hwa->priv_data_size) {
1093 avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
1094 if (!avctx->internal->hwaccel_priv_data)
1095 return AVERROR(ENOMEM);
1099 ret = hwa->init(avctx);
1101 av_freep(&avctx->internal->hwaccel_priv_data);
1106 avctx->hwaccel = hwa;
1111 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1113 const AVPixFmtDescriptor *desc;
1114 enum AVPixelFormat *choices;
1115 enum AVPixelFormat ret;
1118 while (fmt[n] != AV_PIX_FMT_NONE)
1122 avctx->sw_pix_fmt = fmt[n - 1];
1123 av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
1125 choices = av_malloc_array(n + 1, sizeof(*choices));
1127 return AV_PIX_FMT_NONE;
1129 memcpy(choices, fmt, (n + 1) * sizeof(*choices));
1132 if (avctx->hwaccel && avctx->hwaccel->uninit)
1133 avctx->hwaccel->uninit(avctx);
1134 av_freep(&avctx->internal->hwaccel_priv_data);
1135 avctx->hwaccel = NULL;
1137 av_buffer_unref(&avctx->hw_frames_ctx);
1139 ret = avctx->get_format(avctx, choices);
1141 desc = av_pix_fmt_desc_get(ret);
1143 ret = AV_PIX_FMT_NONE;
1147 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1149 #if FF_API_CAP_VDPAU
1150 if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
1154 if (avctx->hw_frames_ctx) {
1155 AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1156 if (hw_frames_ctx->format != ret) {
1157 av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
1158 "does not match the format of provided AVHWFramesContext\n");
1159 ret = AV_PIX_FMT_NONE;
1164 if (!setup_hwaccel(avctx, ret, desc->name))
1167 /* Remove failed hwaccel from choices */
1168 for (n = 0; choices[n] != ret; n++)
1169 av_assert0(choices[n] != AV_PIX_FMT_NONE);
1172 choices[n] = choices[n + 1];
1173 while (choices[n++] != AV_PIX_FMT_NONE);
1180 MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
1181 MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
1182 MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
1183 MAKE_ACCESSORS(AVCodecContext, codec, int, seek_preroll)
1184 MAKE_ACCESSORS(AVCodecContext, codec, uint16_t*, chroma_intra_matrix)
1186 unsigned av_codec_get_codec_properties(const AVCodecContext *codec)
1188 return codec->properties;
1191 int av_codec_get_max_lowres(const AVCodec *codec)
1193 return codec->max_lowres;
1196 int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec){
1197 return !!(codec->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM);
1200 static void get_subtitle_defaults(AVSubtitle *sub)
1202 memset(sub, 0, sizeof(*sub));
1203 sub->pts = AV_NOPTS_VALUE;
1206 static int64_t get_bit_rate(AVCodecContext *ctx)
1209 int bits_per_sample;
1211 switch (ctx->codec_type) {
1212 case AVMEDIA_TYPE_VIDEO:
1213 case AVMEDIA_TYPE_DATA:
1214 case AVMEDIA_TYPE_SUBTITLE:
1215 case AVMEDIA_TYPE_ATTACHMENT:
1216 bit_rate = ctx->bit_rate;
1218 case AVMEDIA_TYPE_AUDIO:
1219 bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
1220 bit_rate = bits_per_sample ? ctx->sample_rate * (int64_t)ctx->channels * bits_per_sample : ctx->bit_rate;
1229 int attribute_align_arg ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1233 ff_unlock_avcodec(codec);
1235 ret = avcodec_open2(avctx, codec, options);
1237 ff_lock_avcodec(avctx, codec);
1241 int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1244 AVDictionary *tmp = NULL;
1245 const AVPixFmtDescriptor *pixdesc;
1247 if (avcodec_is_open(avctx))
1250 if ((!codec && !avctx->codec)) {
1251 av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n");
1252 return AVERROR(EINVAL);
1254 if ((codec && avctx->codec && codec != avctx->codec)) {
1255 av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
1256 "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name);
1257 return AVERROR(EINVAL);
1260 codec = avctx->codec;
1262 if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
1263 return AVERROR(EINVAL);
1266 av_dict_copy(&tmp, *options, 0);
1268 ret = ff_lock_avcodec(avctx, codec);
1272 avctx->internal = av_mallocz(sizeof(AVCodecInternal));
1273 if (!avctx->internal) {
1274 ret = AVERROR(ENOMEM);
1278 avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
1279 if (!avctx->internal->pool) {
1280 ret = AVERROR(ENOMEM);
1284 avctx->internal->to_free = av_frame_alloc();
1285 if (!avctx->internal->to_free) {
1286 ret = AVERROR(ENOMEM);
1290 avctx->internal->buffer_frame = av_frame_alloc();
1291 if (!avctx->internal->buffer_frame) {
1292 ret = AVERROR(ENOMEM);
1296 avctx->internal->buffer_pkt = av_packet_alloc();
1297 if (!avctx->internal->buffer_pkt) {
1298 ret = AVERROR(ENOMEM);
1302 if (codec->priv_data_size > 0) {
1303 if (!avctx->priv_data) {
1304 avctx->priv_data = av_mallocz(codec->priv_data_size);
1305 if (!avctx->priv_data) {
1306 ret = AVERROR(ENOMEM);
1309 if (codec->priv_class) {
1310 *(const AVClass **)avctx->priv_data = codec->priv_class;
1311 av_opt_set_defaults(avctx->priv_data);
1314 if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
1317 avctx->priv_data = NULL;
1319 if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
1322 if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
1323 av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist);
1324 ret = AVERROR(EINVAL);
1328 // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions
1329 if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height &&
1330 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) {
1331 if (avctx->coded_width && avctx->coded_height)
1332 ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
1333 else if (avctx->width && avctx->height)
1334 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
1339 if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
1340 && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
1341 || av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
1342 av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
1343 ff_set_dimensions(avctx, 0, 0);
1346 if (avctx->width > 0 && avctx->height > 0) {
1347 if (av_image_check_sar(avctx->width, avctx->height,
1348 avctx->sample_aspect_ratio) < 0) {
1349 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1350 avctx->sample_aspect_ratio.num,
1351 avctx->sample_aspect_ratio.den);
1352 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
1356 /* if the decoder init function was already called previously,
1357 * free the already allocated subtitle_header before overwriting it */
1358 if (av_codec_is_decoder(codec))
1359 av_freep(&avctx->subtitle_header);
1361 if (avctx->channels > FF_SANE_NB_CHANNELS) {
1362 ret = AVERROR(EINVAL);
1366 avctx->codec = codec;
1367 if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
1368 avctx->codec_id == AV_CODEC_ID_NONE) {
1369 avctx->codec_type = codec->type;
1370 avctx->codec_id = codec->id;
1372 if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
1373 && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
1374 av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n");
1375 ret = AVERROR(EINVAL);
1378 avctx->frame_number = 0;
1379 avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
1381 if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) &&
1382 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1383 const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder";
1385 av_log(avctx, AV_LOG_ERROR,
1386 "The %s '%s' is experimental but experimental codecs are not enabled, "
1387 "add '-strict %d' if you want to use it.\n",
1388 codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL);
1389 codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
1390 if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
1391 av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n",
1392 codec_string, codec2->name);
1393 ret = AVERROR_EXPERIMENTAL;
1397 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
1398 (!avctx->time_base.num || !avctx->time_base.den)) {
1399 avctx->time_base.num = 1;
1400 avctx->time_base.den = avctx->sample_rate;
1404 av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n");
1406 if (CONFIG_FRAME_THREAD_ENCODER && av_codec_is_encoder(avctx->codec)) {
1407 ff_unlock_avcodec(codec); //we will instantiate a few encoders thus kick the counter to prevent false detection of a problem
1408 ret = ff_frame_thread_encoder_init(avctx, options ? *options : NULL);
1409 ff_lock_avcodec(avctx, codec);
1415 && !(avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))) {
1416 ret = ff_thread_init(avctx);
1421 if (!HAVE_THREADS && !(codec->capabilities & AV_CODEC_CAP_AUTO_THREADS))
1422 avctx->thread_count = 1;
1424 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1425 av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
1426 avctx->codec->max_lowres);
1427 avctx->lowres = avctx->codec->max_lowres;
1431 if (avctx->debug_mv)
1432 av_log(avctx, AV_LOG_WARNING, "The 'vismv' option is deprecated, "
1433 "see the codecview filter instead.\n");
1436 if (av_codec_is_encoder(avctx->codec)) {
1438 #if FF_API_CODED_FRAME
1439 FF_DISABLE_DEPRECATION_WARNINGS
1440 avctx->coded_frame = av_frame_alloc();
1441 if (!avctx->coded_frame) {
1442 ret = AVERROR(ENOMEM);
1445 FF_ENABLE_DEPRECATION_WARNINGS
1448 if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
1449 av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
1450 ret = AVERROR(EINVAL);
1454 if (avctx->codec->sample_fmts) {
1455 for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
1456 if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
1458 if (avctx->channels == 1 &&
1459 av_get_planar_sample_fmt(avctx->sample_fmt) ==
1460 av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
1461 avctx->sample_fmt = avctx->codec->sample_fmts[i];
1465 if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
1467 snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
1468 av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
1469 (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
1470 ret = AVERROR(EINVAL);
1474 if (avctx->codec->pix_fmts) {
1475 for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
1476 if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
1478 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE
1479 && !((avctx->codec_id == AV_CODEC_ID_MJPEG || avctx->codec_id == AV_CODEC_ID_LJPEG)
1480 && avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
1482 snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
1483 av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
1484 (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
1485 ret = AVERROR(EINVAL);
1488 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
1489 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
1490 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
1491 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
1492 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
1493 avctx->color_range = AVCOL_RANGE_JPEG;
1495 if (avctx->codec->supported_samplerates) {
1496 for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
1497 if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
1499 if (avctx->codec->supported_samplerates[i] == 0) {
1500 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1501 avctx->sample_rate);
1502 ret = AVERROR(EINVAL);
1506 if (avctx->sample_rate < 0) {
1507 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1508 avctx->sample_rate);
1509 ret = AVERROR(EINVAL);
1512 if (avctx->codec->channel_layouts) {
1513 if (!avctx->channel_layout) {
1514 av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
1516 for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
1517 if (avctx->channel_layout == avctx->codec->channel_layouts[i])
1519 if (avctx->codec->channel_layouts[i] == 0) {
1521 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1522 av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
1523 ret = AVERROR(EINVAL);
1528 if (avctx->channel_layout && avctx->channels) {
1529 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1530 if (channels != avctx->channels) {
1532 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1533 av_log(avctx, AV_LOG_ERROR,
1534 "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
1535 buf, channels, avctx->channels);
1536 ret = AVERROR(EINVAL);
1539 } else if (avctx->channel_layout) {
1540 avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1542 if (avctx->channels < 0) {
1543 av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
1545 ret = AVERROR(EINVAL);
1548 if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1549 pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
1550 if ( avctx->bits_per_raw_sample < 0
1551 || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
1552 av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
1553 avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
1554 avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
1556 if (avctx->width <= 0 || avctx->height <= 0) {
1557 av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
1558 ret = AVERROR(EINVAL);
1562 if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
1563 && avctx->bit_rate>0 && avctx->bit_rate<1000) {
1564 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);
1567 if (!avctx->rc_initial_buffer_occupancy)
1568 avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
1570 if (avctx->ticks_per_frame && avctx->time_base.num &&
1571 avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
1572 av_log(avctx, AV_LOG_ERROR,
1573 "ticks_per_frame %d too large for the timebase %d/%d.",
1574 avctx->ticks_per_frame,
1575 avctx->time_base.num,
1576 avctx->time_base.den);
1580 if (avctx->hw_frames_ctx) {
1581 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1582 if (frames_ctx->format != avctx->pix_fmt) {
1583 av_log(avctx, AV_LOG_ERROR,
1584 "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
1585 ret = AVERROR(EINVAL);
1591 avctx->pts_correction_num_faulty_pts =
1592 avctx->pts_correction_num_faulty_dts = 0;
1593 avctx->pts_correction_last_pts =
1594 avctx->pts_correction_last_dts = INT64_MIN;
1596 if ( !CONFIG_GRAY && avctx->flags & AV_CODEC_FLAG_GRAY
1597 && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
1598 av_log(avctx, AV_LOG_WARNING,
1599 "gray decoding requested but not enabled at configuration time\n");
1601 if ( avctx->codec->init && (!(avctx->active_thread_type&FF_THREAD_FRAME)
1602 || avctx->internal->frame_thread_encoder)) {
1603 ret = avctx->codec->init(avctx);
1611 #if FF_API_AUDIOENC_DELAY
1612 if (av_codec_is_encoder(avctx->codec))
1613 avctx->delay = avctx->initial_padding;
1616 if (av_codec_is_decoder(avctx->codec)) {
1617 if (!avctx->bit_rate)
1618 avctx->bit_rate = get_bit_rate(avctx);
1619 /* validate channel layout from the decoder */
1620 if (avctx->channel_layout) {
1621 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1622 if (!avctx->channels)
1623 avctx->channels = channels;
1624 else if (channels != avctx->channels) {
1626 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1627 av_log(avctx, AV_LOG_WARNING,
1628 "Channel layout '%s' with %d channels does not match specified number of channels %d: "
1629 "ignoring specified channel layout\n",
1630 buf, channels, avctx->channels);
1631 avctx->channel_layout = 0;
1634 if (avctx->channels && avctx->channels < 0 ||
1635 avctx->channels > FF_SANE_NB_CHANNELS) {
1636 ret = AVERROR(EINVAL);
1639 if (avctx->sub_charenc) {
1640 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1641 av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1642 "supported with subtitles codecs\n");
1643 ret = AVERROR(EINVAL);
1645 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1646 av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1647 "subtitles character encoding will be ignored\n",
1648 avctx->codec_descriptor->name);
1649 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1651 /* input character encoding is set for a text based subtitle
1652 * codec at this point */
1653 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1654 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1656 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1658 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1659 if (cd == (iconv_t)-1) {
1660 ret = AVERROR(errno);
1661 av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1662 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1667 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1668 "conversion needs a libavcodec built with iconv support "
1669 "for this codec\n");
1670 ret = AVERROR(ENOSYS);
1677 #if FF_API_AVCTX_TIMEBASE
1678 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1679 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
1682 if (codec->priv_data_size > 0 && avctx->priv_data && codec->priv_class) {
1683 av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);
1687 ff_unlock_avcodec(codec);
1689 av_dict_free(options);
1696 (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
1697 avctx->codec->close(avctx);
1699 if (codec->priv_class && codec->priv_data_size)
1700 av_opt_free(avctx->priv_data);
1703 #if FF_API_CODED_FRAME
1704 FF_DISABLE_DEPRECATION_WARNINGS
1705 av_frame_free(&avctx->coded_frame);
1706 FF_ENABLE_DEPRECATION_WARNINGS
1710 av_freep(&avctx->priv_data);
1711 if (avctx->internal) {
1712 av_packet_free(&avctx->internal->buffer_pkt);
1713 av_frame_free(&avctx->internal->buffer_frame);
1714 av_frame_free(&avctx->internal->to_free);
1715 av_freep(&avctx->internal->pool);
1717 av_freep(&avctx->internal);
1718 avctx->codec = NULL;
1722 int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
1724 if (avpkt->size < 0) {
1725 av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
1726 return AVERROR(EINVAL);
1728 if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
1729 av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
1730 size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
1731 return AVERROR(EINVAL);
1734 if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
1735 av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
1736 if (!avpkt->data || avpkt->size < size) {
1737 av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
1738 avpkt->data = avctx->internal->byte_buffer;
1739 avpkt->size = avctx->internal->byte_buffer_size;
1744 AVBufferRef *buf = avpkt->buf;
1746 if (avpkt->size < size) {
1747 av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
1748 return AVERROR(EINVAL);
1751 av_init_packet(avpkt);
1756 int ret = av_new_packet(avpkt, size);
1758 av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
1763 int ff_alloc_packet(AVPacket *avpkt, int size)
1765 return ff_alloc_packet2(NULL, avpkt, size, 0);
1769 * Pad last frame with silence.
1771 static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
1773 AVFrame *frame = NULL;
1776 if (!(frame = av_frame_alloc()))
1777 return AVERROR(ENOMEM);
1779 frame->format = src->format;
1780 frame->channel_layout = src->channel_layout;
1781 av_frame_set_channels(frame, av_frame_get_channels(src));
1782 frame->nb_samples = s->frame_size;
1783 ret = av_frame_get_buffer(frame, 32);
1787 ret = av_frame_copy_props(frame, src);
1791 if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
1792 src->nb_samples, s->channels, s->sample_fmt)) < 0)
1794 if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
1795 frame->nb_samples - src->nb_samples,
1796 s->channels, s->sample_fmt)) < 0)
1804 av_frame_free(&frame);
1808 int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
1810 const AVFrame *frame,
1811 int *got_packet_ptr)
1813 AVFrame *extended_frame = NULL;
1814 AVFrame *padded_frame = NULL;
1816 AVPacket user_pkt = *avpkt;
1817 int needs_realloc = !user_pkt.data;
1819 *got_packet_ptr = 0;
1821 if (!avctx->codec->encode2) {
1822 av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
1823 return AVERROR(ENOSYS);
1826 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1827 av_packet_unref(avpkt);
1828 av_init_packet(avpkt);
1832 /* ensure that extended_data is properly set */
1833 if (frame && !frame->extended_data) {
1834 if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
1835 avctx->channels > AV_NUM_DATA_POINTERS) {
1836 av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
1837 "with more than %d channels, but extended_data is not set.\n",
1838 AV_NUM_DATA_POINTERS);
1839 return AVERROR(EINVAL);
1841 av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
1843 extended_frame = av_frame_alloc();
1844 if (!extended_frame)
1845 return AVERROR(ENOMEM);
1847 memcpy(extended_frame, frame, sizeof(AVFrame));
1848 extended_frame->extended_data = extended_frame->data;
1849 frame = extended_frame;
1852 /* extract audio service type metadata */
1854 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
1855 if (sd && sd->size >= sizeof(enum AVAudioServiceType))
1856 avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
1859 /* check for valid frame size */
1861 if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
1862 if (frame->nb_samples > avctx->frame_size) {
1863 av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
1864 ret = AVERROR(EINVAL);
1867 } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1868 if (frame->nb_samples < avctx->frame_size &&
1869 !avctx->internal->last_audio_frame) {
1870 ret = pad_last_frame(avctx, &padded_frame, frame);
1874 frame = padded_frame;
1875 avctx->internal->last_audio_frame = 1;
1878 if (frame->nb_samples != avctx->frame_size) {
1879 av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
1880 ret = AVERROR(EINVAL);
1886 av_assert0(avctx->codec->encode2);
1888 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1890 if (*got_packet_ptr) {
1891 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
1892 if (avpkt->pts == AV_NOPTS_VALUE)
1893 avpkt->pts = frame->pts;
1894 if (!avpkt->duration)
1895 avpkt->duration = ff_samples_to_time_base(avctx,
1898 avpkt->dts = avpkt->pts;
1903 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1905 if (user_pkt.data) {
1906 if (user_pkt.size >= avpkt->size) {
1907 memcpy(user_pkt.data, avpkt->data, avpkt->size);
1909 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
1910 avpkt->size = user_pkt.size;
1913 avpkt->buf = user_pkt.buf;
1914 avpkt->data = user_pkt.data;
1916 if (av_dup_packet(avpkt) < 0) {
1917 ret = AVERROR(ENOMEM);
1923 if (needs_realloc && avpkt->data) {
1924 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
1926 avpkt->data = avpkt->buf->data;
1929 avctx->frame_number++;
1932 if (ret < 0 || !*got_packet_ptr) {
1933 av_packet_unref(avpkt);
1934 av_init_packet(avpkt);
1938 /* NOTE: if we add any audio encoders which output non-keyframe packets,
1939 * this needs to be moved to the encoders, but for now we can do it
1940 * here to simplify things */
1941 avpkt->flags |= AV_PKT_FLAG_KEY;
1944 av_frame_free(&padded_frame);
1945 av_free(extended_frame);
1947 #if FF_API_AUDIOENC_DELAY
1948 avctx->delay = avctx->initial_padding;
1954 int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
1956 const AVFrame *frame,
1957 int *got_packet_ptr)
1960 AVPacket user_pkt = *avpkt;
1961 int needs_realloc = !user_pkt.data;
1963 *got_packet_ptr = 0;
1965 if (!avctx->codec->encode2) {
1966 av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
1967 return AVERROR(ENOSYS);
1970 if(CONFIG_FRAME_THREAD_ENCODER &&
1971 avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
1972 return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
1974 if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
1975 avctx->stats_out[0] = '\0';
1977 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1978 av_packet_unref(avpkt);
1979 av_init_packet(avpkt);
1984 if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
1985 return AVERROR(EINVAL);
1987 if (frame && frame->format == AV_PIX_FMT_NONE)
1988 av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
1989 if (frame && (frame->width == 0 || frame->height == 0))
1990 av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
1992 av_assert0(avctx->codec->encode2);
1994 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1995 av_assert0(ret <= 0);
1999 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
2001 if (user_pkt.data) {
2002 if (user_pkt.size >= avpkt->size) {
2003 memcpy(user_pkt.data, avpkt->data, avpkt->size);
2005 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
2006 avpkt->size = user_pkt.size;
2009 avpkt->buf = user_pkt.buf;
2010 avpkt->data = user_pkt.data;
2012 if (av_dup_packet(avpkt) < 0) {
2013 ret = AVERROR(ENOMEM);
2019 if (!*got_packet_ptr)
2021 else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2022 avpkt->pts = avpkt->dts = frame->pts;
2024 if (needs_realloc && avpkt->data) {
2025 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
2027 avpkt->data = avpkt->buf->data;
2030 avctx->frame_number++;
2033 if (ret < 0 || !*got_packet_ptr)
2034 av_packet_unref(avpkt);
2039 int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2040 const AVSubtitle *sub)
2043 if (sub->start_display_time) {
2044 av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
2048 ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
2049 avctx->frame_number++;
2054 * Attempt to guess proper monotonic timestamps for decoded video frames
2055 * which might have incorrect times. Input timestamps may wrap around, in
2056 * which case the output will as well.
2058 * @param pts the pts field of the decoded AVPacket, as passed through
2060 * @param dts the dts field of the decoded AVPacket
2061 * @return one of the input values, may be AV_NOPTS_VALUE
2063 static int64_t guess_correct_pts(AVCodecContext *ctx,
2064 int64_t reordered_pts, int64_t dts)
2066 int64_t pts = AV_NOPTS_VALUE;
2068 if (dts != AV_NOPTS_VALUE) {
2069 ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
2070 ctx->pts_correction_last_dts = dts;
2071 } else if (reordered_pts != AV_NOPTS_VALUE)
2072 ctx->pts_correction_last_dts = reordered_pts;
2074 if (reordered_pts != AV_NOPTS_VALUE) {
2075 ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
2076 ctx->pts_correction_last_pts = reordered_pts;
2077 } else if(dts != AV_NOPTS_VALUE)
2078 ctx->pts_correction_last_pts = dts;
2080 if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
2081 && reordered_pts != AV_NOPTS_VALUE)
2082 pts = reordered_pts;
2089 static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
2092 const uint8_t *data;
2096 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
2100 if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
2101 av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
2102 "changes, but PARAM_CHANGE side data was sent to it.\n");
2103 ret = AVERROR(EINVAL);
2110 flags = bytestream_get_le32(&data);
2113 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
2116 val = bytestream_get_le32(&data);
2117 if (val <= 0 || val > INT_MAX) {
2118 av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
2119 ret = AVERROR_INVALIDDATA;
2122 avctx->channels = val;
2125 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
2128 avctx->channel_layout = bytestream_get_le64(&data);
2131 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
2134 val = bytestream_get_le32(&data);
2135 if (val <= 0 || val > INT_MAX) {
2136 av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
2137 ret = AVERROR_INVALIDDATA;
2140 avctx->sample_rate = val;
2143 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
2146 avctx->width = bytestream_get_le32(&data);
2147 avctx->height = bytestream_get_le32(&data);
2149 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
2156 av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
2157 ret = AVERROR_INVALIDDATA;
2160 av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
2161 if (avctx->err_recognition & AV_EF_EXPLODE)
2167 static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
2171 /* move the original frame to our backup */
2172 av_frame_unref(avci->to_free);
2173 av_frame_move_ref(avci->to_free, frame);
2175 /* now copy everything except the AVBufferRefs back
2176 * note that we make a COPY of the side data, so calling av_frame_free() on
2177 * the caller's frame will work properly */
2178 ret = av_frame_copy_props(frame, avci->to_free);
2182 memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
2183 memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
2184 if (avci->to_free->extended_data != avci->to_free->data) {
2185 int planes = av_frame_get_channels(avci->to_free);
2186 int size = planes * sizeof(*frame->extended_data);
2189 av_frame_unref(frame);
2193 frame->extended_data = av_malloc(size);
2194 if (!frame->extended_data) {
2195 av_frame_unref(frame);
2196 return AVERROR(ENOMEM);
2198 memcpy(frame->extended_data, avci->to_free->extended_data,
2201 frame->extended_data = frame->data;
2203 frame->format = avci->to_free->format;
2204 frame->width = avci->to_free->width;
2205 frame->height = avci->to_free->height;
2206 frame->channel_layout = avci->to_free->channel_layout;
2207 frame->nb_samples = avci->to_free->nb_samples;
2208 av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
2213 int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
2214 int *got_picture_ptr,
2215 const AVPacket *avpkt)
2217 AVCodecInternal *avci = avctx->internal;
2219 // copy to ensure we do not change avpkt
2220 AVPacket tmp = *avpkt;
2223 return AVERROR(EINVAL);
2224 if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
2225 av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
2226 return AVERROR(EINVAL);
2229 if (!avctx->codec->decode) {
2230 av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
2231 return AVERROR(ENOSYS);
2234 *got_picture_ptr = 0;
2235 if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
2236 return AVERROR(EINVAL);
2238 avctx->internal->pkt = avpkt;
2239 ret = apply_param_change(avctx, avpkt);
2243 av_frame_unref(picture);
2245 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
2246 (avctx->active_thread_type & FF_THREAD_FRAME)) {
2247 int did_split = av_packet_split_side_data(&tmp);
2248 ret = apply_param_change(avctx, &tmp);
2252 avctx->internal->pkt = &tmp;
2253 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2254 ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
2257 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
2259 if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
2260 picture->pkt_dts = avpkt->dts;
2262 if(!avctx->has_b_frames){
2263 av_frame_set_pkt_pos(picture, avpkt->pos);
2265 //FIXME these should be under if(!avctx->has_b_frames)
2266 /* get_buffer is supposed to set frame parameters */
2267 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
2268 if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
2269 if (!picture->width) picture->width = avctx->width;
2270 if (!picture->height) picture->height = avctx->height;
2271 if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
2276 emms_c(); //needed to avoid an emms_c() call before every return;
2278 avctx->internal->pkt = NULL;
2280 av_packet_free_side_data(&tmp);
2284 if (picture->flags & AV_FRAME_FLAG_DISCARD) {
2285 *got_picture_ptr = 0;
2287 if (*got_picture_ptr) {
2288 if (!avctx->refcounted_frames) {
2289 int err = unrefcount_frame(avci, picture);
2294 avctx->frame_number++;
2295 av_frame_set_best_effort_timestamp(picture,
2296 guess_correct_pts(avctx,
2300 av_frame_unref(picture);
2304 /* many decoders assign whole AVFrames, thus overwriting extended_data;
2305 * make sure it's set correctly */
2306 av_assert0(!picture->extended_data || picture->extended_data == picture->data);
2308 #if FF_API_AVCTX_TIMEBASE
2309 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
2310 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
2316 int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
2319 const AVPacket *avpkt)
2321 AVCodecInternal *avci = avctx->internal;
2327 return AVERROR(EINVAL);
2329 if (!avctx->codec->decode) {
2330 av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
2331 return AVERROR(ENOSYS);
2334 if (!avpkt->data && avpkt->size) {
2335 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2336 return AVERROR(EINVAL);
2338 if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
2339 av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
2340 return AVERROR(EINVAL);
2343 av_frame_unref(frame);
2345 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
2348 uint32_t discard_padding = 0;
2349 uint8_t skip_reason = 0;
2350 uint8_t discard_reason = 0;
2351 // copy to ensure we do not change avpkt
2352 AVPacket tmp = *avpkt;
2353 int did_split = av_packet_split_side_data(&tmp);
2354 ret = apply_param_change(avctx, &tmp);
2358 avctx->internal->pkt = &tmp;
2359 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2360 ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
2362 ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
2363 av_assert0(ret <= tmp.size);
2364 frame->pkt_dts = avpkt->dts;
2366 if (ret >= 0 && *got_frame_ptr) {
2367 avctx->frame_number++;
2368 av_frame_set_best_effort_timestamp(frame,
2369 guess_correct_pts(avctx,
2372 if (frame->format == AV_SAMPLE_FMT_NONE)
2373 frame->format = avctx->sample_fmt;
2374 if (!frame->channel_layout)
2375 frame->channel_layout = avctx->channel_layout;
2376 if (!av_frame_get_channels(frame))
2377 av_frame_set_channels(frame, avctx->channels);
2378 if (!frame->sample_rate)
2379 frame->sample_rate = avctx->sample_rate;
2382 side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
2383 if(side && side_size>=10) {
2384 avctx->internal->skip_samples = AV_RL32(side);
2385 discard_padding = AV_RL32(side + 4);
2386 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
2387 avctx->internal->skip_samples, (int)discard_padding);
2388 skip_reason = AV_RL8(side + 8);
2389 discard_reason = AV_RL8(side + 9);
2392 if ((frame->flags & AV_FRAME_FLAG_DISCARD) && *got_frame_ptr &&
2393 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2394 avctx->internal->skip_samples = FFMAX(0, avctx->internal->skip_samples - frame->nb_samples);
2398 if (avctx->internal->skip_samples > 0 && *got_frame_ptr &&
2399 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2400 if(frame->nb_samples <= avctx->internal->skip_samples){
2402 avctx->internal->skip_samples -= frame->nb_samples;
2403 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
2404 avctx->internal->skip_samples);
2406 av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
2407 frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
2408 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2409 int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
2410 (AVRational){1, avctx->sample_rate},
2411 avctx->pkt_timebase);
2412 if(frame->pts!=AV_NOPTS_VALUE)
2413 frame->pts += diff_ts;
2415 FF_DISABLE_DEPRECATION_WARNINGS
2416 if(frame->pkt_pts!=AV_NOPTS_VALUE)
2417 frame->pkt_pts += diff_ts;
2418 FF_ENABLE_DEPRECATION_WARNINGS
2420 if(frame->pkt_dts!=AV_NOPTS_VALUE)
2421 frame->pkt_dts += diff_ts;
2422 if (av_frame_get_pkt_duration(frame) >= diff_ts)
2423 av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
2425 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
2427 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
2428 avctx->internal->skip_samples, frame->nb_samples);
2429 frame->nb_samples -= avctx->internal->skip_samples;
2430 avctx->internal->skip_samples = 0;
2434 if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
2435 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2436 if (discard_padding == frame->nb_samples) {
2439 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2440 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
2441 (AVRational){1, avctx->sample_rate},
2442 avctx->pkt_timebase);
2443 av_frame_set_pkt_duration(frame, diff_ts);
2445 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
2447 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
2448 (int)discard_padding, frame->nb_samples);
2449 frame->nb_samples -= discard_padding;
2453 if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
2454 AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
2456 AV_WL32(fside->data, avctx->internal->skip_samples);
2457 AV_WL32(fside->data + 4, discard_padding);
2458 AV_WL8(fside->data + 8, skip_reason);
2459 AV_WL8(fside->data + 9, discard_reason);
2460 avctx->internal->skip_samples = 0;
2464 avctx->internal->pkt = NULL;
2466 av_packet_free_side_data(&tmp);
2471 if (ret >= 0 && *got_frame_ptr) {
2472 if (!avctx->refcounted_frames) {
2473 int err = unrefcount_frame(avci, frame);
2478 av_frame_unref(frame);
2481 av_assert0(ret <= avpkt->size);
2483 if (!avci->showed_multi_packet_warning &&
2484 ret >= 0 && ret != avpkt->size && !(avctx->codec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
2485 av_log(avctx, AV_LOG_WARNING, "Multiple frames in a packet.\n");
2486 avci->showed_multi_packet_warning = 1;
2492 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
2493 static int recode_subtitle(AVCodecContext *avctx,
2494 AVPacket *outpkt, const AVPacket *inpkt)
2497 iconv_t cd = (iconv_t)-1;
2504 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
2508 cd = iconv_open("UTF-8", avctx->sub_charenc);
2509 av_assert0(cd != (iconv_t)-1);
2514 if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
2515 av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
2516 ret = AVERROR(ENOMEM);
2520 ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
2523 outpkt->buf = tmp.buf;
2524 outpkt->data = tmp.data;
2525 outpkt->size = tmp.size;
2526 outb = outpkt->data;
2527 outl = outpkt->size;
2529 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
2530 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
2531 outl >= outpkt->size || inl != 0) {
2532 ret = FFMIN(AVERROR(errno), -1);
2533 av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
2534 "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
2535 av_packet_unref(&tmp);
2538 outpkt->size -= outl;
2539 memset(outpkt->data + outpkt->size, 0, outl);
2542 if (cd != (iconv_t)-1)
2546 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
2547 return AVERROR(EINVAL);
2551 static int utf8_check(const uint8_t *str)
2553 const uint8_t *byte;
2554 uint32_t codepoint, min;
2558 GET_UTF8(codepoint, *(byte++), return 0;);
2559 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
2560 1 << (5 * (byte - str) - 4);
2561 if (codepoint < min || codepoint >= 0x110000 ||
2562 codepoint == 0xFFFE /* BOM */ ||
2563 codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
2570 #if FF_API_ASS_TIMING
2571 static void insert_ts(AVBPrint *buf, int ts)
2574 av_bprintf(buf, "9:59:59.99,");
2578 h = ts/360000; ts -= 360000*h;
2579 m = ts/ 6000; ts -= 6000*m;
2580 s = ts/ 100; ts -= 100*s;
2581 av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
2585 static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
2590 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
2592 for (i = 0; i < sub->num_rects; i++) {
2595 AVSubtitleRect *rect = sub->rects[i];
2596 int ts_start, ts_duration = -1;
2599 if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
2602 av_bprint_clear(&buf);
2604 /* skip ReadOrder */
2605 dialog = strchr(rect->ass, ',');
2610 /* extract Layer or Marked */
2611 layer = strtol(dialog, (char**)&dialog, 10);
2616 /* rescale timing to ASS time base (ms) */
2617 ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
2618 if (pkt->duration != -1)
2619 ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
2620 sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
2622 /* construct ASS (standalone file form with timestamps) string */
2623 av_bprintf(&buf, "Dialogue: %ld,", layer);
2624 insert_ts(&buf, ts_start);
2625 insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
2626 av_bprintf(&buf, "%s\r\n", dialog);
2628 final_dialog = av_strdup(buf.str);
2629 if (!av_bprint_is_complete(&buf) || !final_dialog) {
2630 av_freep(&final_dialog);
2631 av_bprint_finalize(&buf, NULL);
2632 return AVERROR(ENOMEM);
2634 av_freep(&rect->ass);
2635 rect->ass = final_dialog;
2638 av_bprint_finalize(&buf, NULL);
2643 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
2649 if (!avpkt->data && avpkt->size) {
2650 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2651 return AVERROR(EINVAL);
2654 return AVERROR(EINVAL);
2655 if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
2656 av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
2657 return AVERROR(EINVAL);
2661 get_subtitle_defaults(sub);
2663 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
2664 AVPacket pkt_recoded;
2665 AVPacket tmp = *avpkt;
2666 int did_split = av_packet_split_side_data(&tmp);
2667 //apply_param_change(avctx, &tmp);
2670 /* FFMIN() prevents overflow in case the packet wasn't allocated with
2672 * If the side data is smaller than the buffer padding size, the
2673 * remaining bytes should have already been filled with zeros by the
2674 * original packet allocation anyway. */
2675 memset(tmp.data + tmp.size, 0,
2676 FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
2680 ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
2684 avctx->internal->pkt = &pkt_recoded;
2686 if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
2687 sub->pts = av_rescale_q(avpkt->pts,
2688 avctx->pkt_timebase, AV_TIME_BASE_Q);
2689 ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
2690 av_assert1((ret >= 0) >= !!*got_sub_ptr &&
2691 !!*got_sub_ptr >= !!sub->num_rects);
2693 #if FF_API_ASS_TIMING
2694 if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
2695 && *got_sub_ptr && sub->num_rects) {
2696 const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
2698 int err = convert_sub_to_old_ass_form(sub, avpkt, tb);
2704 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
2705 avctx->pkt_timebase.num) {
2706 AVRational ms = { 1, 1000 };
2707 sub->end_display_time = av_rescale_q(avpkt->duration,
2708 avctx->pkt_timebase, ms);
2711 for (i = 0; i < sub->num_rects; i++) {
2712 if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
2713 av_log(avctx, AV_LOG_ERROR,
2714 "Invalid UTF-8 in decoded subtitles text; "
2715 "maybe missing -sub_charenc option\n");
2716 avsubtitle_free(sub);
2717 return AVERROR_INVALIDDATA;
2721 if (tmp.data != pkt_recoded.data) { // did we recode?
2722 /* prevent from destroying side data from original packet */
2723 pkt_recoded.side_data = NULL;
2724 pkt_recoded.side_data_elems = 0;
2726 av_packet_unref(&pkt_recoded);
2728 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
2730 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
2732 avctx->internal->pkt = NULL;
2736 av_packet_free_side_data(&tmp);
2742 avctx->frame_number++;
2748 void avsubtitle_free(AVSubtitle *sub)
2752 for (i = 0; i < sub->num_rects; i++) {
2753 av_freep(&sub->rects[i]->data[0]);
2754 av_freep(&sub->rects[i]->data[1]);
2755 av_freep(&sub->rects[i]->data[2]);
2756 av_freep(&sub->rects[i]->data[3]);
2757 av_freep(&sub->rects[i]->text);
2758 av_freep(&sub->rects[i]->ass);
2759 av_freep(&sub->rects[i]);
2762 av_freep(&sub->rects);
2764 memset(sub, 0, sizeof(AVSubtitle));
2767 static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
2772 av_assert0(!avctx->internal->buffer_frame->buf[0]);
2775 pkt = avctx->internal->buffer_pkt;
2777 // This is the lesser evil. The field is for compatibility with legacy users
2778 // of the legacy API, and users using the new API should not be forced to
2779 // even know about this field.
2780 avctx->refcounted_frames = 1;
2782 // Some codecs (at least wma lossless) will crash when feeding drain packets
2783 // after EOF was signaled.
2784 if (avctx->internal->draining_done)
2787 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2788 ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame,
2792 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2793 ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame,
2796 ret = AVERROR(EINVAL);
2799 if (ret == AVERROR(EAGAIN))
2805 if (avctx->internal->draining && !got_frame)
2806 avctx->internal->draining_done = 1;
2808 if (ret >= pkt->size) {
2809 av_packet_unref(avctx->internal->buffer_pkt);
2813 if (pkt != avctx->internal->buffer_pkt) {
2814 av_packet_unref(avctx->internal->buffer_pkt);
2815 if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0)
2819 avctx->internal->buffer_pkt->data += consumed;
2820 avctx->internal->buffer_pkt->size -= consumed;
2821 avctx->internal->buffer_pkt->pts = AV_NOPTS_VALUE;
2822 avctx->internal->buffer_pkt->dts = AV_NOPTS_VALUE;
2826 av_assert0(avctx->internal->buffer_frame->buf[0]);
2831 int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
2835 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
2836 return AVERROR(EINVAL);
2838 if (avctx->internal->draining)
2841 if (avpkt && !avpkt->size && avpkt->data)
2842 return AVERROR(EINVAL);
2844 if (!avpkt || !avpkt->size) {
2845 avctx->internal->draining = 1;
2848 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2852 if (avctx->codec->send_packet) {
2854 AVPacket tmp = *avpkt;
2855 int did_split = av_packet_split_side_data(&tmp);
2856 ret = apply_param_change(avctx, &tmp);
2858 ret = avctx->codec->send_packet(avctx, &tmp);
2860 av_packet_free_side_data(&tmp);
2863 return avctx->codec->send_packet(avctx, NULL);
2867 // Emulation via old API. Assume avpkt is likely not refcounted, while
2868 // decoder output is always refcounted, and avoid copying.
2870 if (avctx->internal->buffer_pkt->size || avctx->internal->buffer_frame->buf[0])
2871 return AVERROR(EAGAIN);
2873 // The goal is decoding the first frame of the packet without using memcpy,
2874 // because the common case is having only 1 frame per packet (especially
2875 // with video, but audio too). In other cases, it can't be avoided, unless
2876 // the user is feeding refcounted packets.
2877 return do_decode(avctx, (AVPacket *)avpkt);
2880 int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
2884 av_frame_unref(frame);
2886 if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
2887 return AVERROR(EINVAL);
2889 if (avctx->codec->receive_frame) {
2890 if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2892 ret = avctx->codec->receive_frame(avctx, frame);
2894 if (av_frame_get_best_effort_timestamp(frame) == AV_NOPTS_VALUE) {
2895 av_frame_set_best_effort_timestamp(frame,
2896 guess_correct_pts(avctx, frame->pts, frame->pkt_dts));
2902 // Emulation via old API.
2904 if (!avctx->internal->buffer_frame->buf[0]) {
2905 if (!avctx->internal->buffer_pkt->size && !avctx->internal->draining)
2906 return AVERROR(EAGAIN);
2909 if ((ret = do_decode(avctx, avctx->internal->buffer_pkt)) < 0) {
2910 av_packet_unref(avctx->internal->buffer_pkt);
2913 // Some audio decoders may consume partial data without returning
2914 // a frame (fate-wmapro-2ch). There is no way to make the caller
2915 // call avcodec_receive_frame() again without returning a frame,
2916 // so try to decode more in these cases.
2917 if (avctx->internal->buffer_frame->buf[0] ||
2918 !avctx->internal->buffer_pkt->size)
2923 if (!avctx->internal->buffer_frame->buf[0])
2924 return avctx->internal->draining ? AVERROR_EOF : AVERROR(EAGAIN);
2926 av_frame_move_ref(frame, avctx->internal->buffer_frame);
2930 static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
2935 av_packet_unref(avctx->internal->buffer_pkt);
2936 avctx->internal->buffer_pkt_valid = 0;
2938 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2939 ret = avcodec_encode_video2(avctx, avctx->internal->buffer_pkt,
2941 } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2942 ret = avcodec_encode_audio2(avctx, avctx->internal->buffer_pkt,
2945 ret = AVERROR(EINVAL);
2948 if (ret >= 0 && *got_packet) {
2949 // Encoders must always return ref-counted buffers.
2950 // Side-data only packets have no data and can be not ref-counted.
2951 av_assert0(!avctx->internal->buffer_pkt->data || avctx->internal->buffer_pkt->buf);
2952 avctx->internal->buffer_pkt_valid = 1;
2955 av_packet_unref(avctx->internal->buffer_pkt);
2961 int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
2963 if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
2964 return AVERROR(EINVAL);
2966 if (avctx->internal->draining)
2970 avctx->internal->draining = 1;
2972 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
2976 if (avctx->codec->send_frame)
2977 return avctx->codec->send_frame(avctx, frame);
2979 // Emulation via old API. Do it here instead of avcodec_receive_packet, because:
2980 // 1. if the AVFrame is not refcounted, the copying will be much more
2981 // expensive than copying the packet data
2982 // 2. assume few users use non-refcounted AVPackets, so usually no copy is
2985 if (avctx->internal->buffer_pkt_valid)
2986 return AVERROR(EAGAIN);
2988 return do_encode(avctx, frame, &(int){0});
2991 int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
2993 av_packet_unref(avpkt);
2995 if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
2996 return AVERROR(EINVAL);
2998 if (avctx->codec->receive_packet) {
2999 if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
3001 return avctx->codec->receive_packet(avctx, avpkt);
3004 // Emulation via old API.
3006 if (!avctx->internal->buffer_pkt_valid) {
3009 if (!avctx->internal->draining)
3010 return AVERROR(EAGAIN);
3011 ret = do_encode(avctx, NULL, &got_packet);
3014 if (ret >= 0 && !got_packet)
3018 av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
3019 avctx->internal->buffer_pkt_valid = 0;
3023 av_cold int avcodec_close(AVCodecContext *avctx)
3030 if (avcodec_is_open(avctx)) {
3031 FramePool *pool = avctx->internal->pool;
3032 if (CONFIG_FRAME_THREAD_ENCODER &&
3033 avctx->internal->frame_thread_encoder && avctx->thread_count > 1) {
3034 ff_frame_thread_encoder_free(avctx);
3036 if (HAVE_THREADS && avctx->internal->thread_ctx)
3037 ff_thread_free(avctx);
3038 if (avctx->codec && avctx->codec->close)
3039 avctx->codec->close(avctx);
3040 avctx->internal->byte_buffer_size = 0;
3041 av_freep(&avctx->internal->byte_buffer);
3042 av_frame_free(&avctx->internal->to_free);
3043 av_frame_free(&avctx->internal->buffer_frame);
3044 av_packet_free(&avctx->internal->buffer_pkt);
3045 for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
3046 av_buffer_pool_uninit(&pool->pools[i]);
3047 av_freep(&avctx->internal->pool);
3049 if (avctx->hwaccel && avctx->hwaccel->uninit)
3050 avctx->hwaccel->uninit(avctx);
3051 av_freep(&avctx->internal->hwaccel_priv_data);
3053 av_freep(&avctx->internal);
3056 for (i = 0; i < avctx->nb_coded_side_data; i++)
3057 av_freep(&avctx->coded_side_data[i].data);
3058 av_freep(&avctx->coded_side_data);
3059 avctx->nb_coded_side_data = 0;
3061 av_buffer_unref(&avctx->hw_frames_ctx);
3063 if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
3064 av_opt_free(avctx->priv_data);
3066 av_freep(&avctx->priv_data);
3067 if (av_codec_is_encoder(avctx->codec)) {
3068 av_freep(&avctx->extradata);
3069 #if FF_API_CODED_FRAME
3070 FF_DISABLE_DEPRECATION_WARNINGS
3071 av_frame_free(&avctx->coded_frame);
3072 FF_ENABLE_DEPRECATION_WARNINGS
3075 avctx->codec = NULL;
3076 avctx->active_thread_type = 0;
3081 static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
3084 //This is for future deprecatec codec ids, its empty since
3085 //last major bump but will fill up again over time, please don't remove it
3086 default : return id;
3090 static AVCodec *find_encdec(enum AVCodecID id, int encoder)
3092 AVCodec *p, *experimental = NULL;
3094 id= remap_deprecated_codec_id(id);
3096 if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
3098 if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
3105 return experimental;
3108 AVCodec *avcodec_find_encoder(enum AVCodecID id)
3110 return find_encdec(id, 1);
3113 AVCodec *avcodec_find_encoder_by_name(const char *name)
3120 if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
3127 AVCodec *avcodec_find_decoder(enum AVCodecID id)
3129 return find_encdec(id, 0);
3132 AVCodec *avcodec_find_decoder_by_name(const char *name)
3139 if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
3146 const char *avcodec_get_name(enum AVCodecID id)
3148 const AVCodecDescriptor *cd;
3151 if (id == AV_CODEC_ID_NONE)
3153 cd = avcodec_descriptor_get(id);
3156 av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
3157 codec = avcodec_find_decoder(id);
3160 codec = avcodec_find_encoder(id);
3163 return "unknown_codec";
3166 size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
3168 int i, len, ret = 0;
3170 #define TAG_PRINT(x) \
3171 (((x) >= '0' && (x) <= '9') || \
3172 ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
3173 ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
3175 for (i = 0; i < 4; i++) {
3176 len = snprintf(buf, buf_size,
3177 TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
3179 buf_size = buf_size > len ? buf_size - len : 0;
3186 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
3188 const char *codec_type;
3189 const char *codec_name;
3190 const char *profile = NULL;
3193 AVRational display_aspect_ratio;
3194 const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", ";
3196 if (!buf || buf_size <= 0)
3198 codec_type = av_get_media_type_string(enc->codec_type);
3199 codec_name = avcodec_get_name(enc->codec_id);
3200 profile = avcodec_profile_name(enc->codec_id, enc->profile);
3202 snprintf(buf, buf_size, "%s: %s", codec_type ? codec_type : "unknown",
3204 buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
3206 if (enc->codec && strcmp(enc->codec->name, codec_name))
3207 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", enc->codec->name);
3210 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile);
3211 if ( enc->codec_type == AVMEDIA_TYPE_VIDEO
3212 && av_log_get_level() >= AV_LOG_VERBOSE
3214 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3215 ", %d reference frame%s",
3216 enc->refs, enc->refs > 1 ? "s" : "");
3218 if (enc->codec_tag) {
3220 av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
3221 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3222 " (%s / 0x%04X)", tag_buf, enc->codec_tag);
3225 switch (enc->codec_type) {
3226 case AVMEDIA_TYPE_VIDEO:
3228 char detail[256] = "(";
3230 av_strlcat(buf, separator, buf_size);
3232 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3233 "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
3234 av_get_pix_fmt_name(enc->pix_fmt));
3235 if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
3236 enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth)
3237 av_strlcatf(detail, sizeof(detail), "%d bpc, ", enc->bits_per_raw_sample);
3238 if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
3239 av_strlcatf(detail, sizeof(detail), "%s, ",
3240 av_color_range_name(enc->color_range));
3242 if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
3243 enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
3244 enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
3245 if (enc->colorspace != (int)enc->color_primaries ||
3246 enc->colorspace != (int)enc->color_trc) {
3248 av_strlcatf(detail, sizeof(detail), "%s/%s/%s, ",
3249 av_color_space_name(enc->colorspace),
3250 av_color_primaries_name(enc->color_primaries),
3251 av_color_transfer_name(enc->color_trc));
3253 av_strlcatf(detail, sizeof(detail), "%s, ",
3254 av_get_colorspace_name(enc->colorspace));
3257 if (enc->field_order != AV_FIELD_UNKNOWN) {
3258 const char *field_order = "progressive";
3259 if (enc->field_order == AV_FIELD_TT)
3260 field_order = "top first";
3261 else if (enc->field_order == AV_FIELD_BB)
3262 field_order = "bottom first";
3263 else if (enc->field_order == AV_FIELD_TB)
3264 field_order = "top coded first (swapped)";
3265 else if (enc->field_order == AV_FIELD_BT)
3266 field_order = "bottom coded first (swapped)";
3268 av_strlcatf(detail, sizeof(detail), "%s, ", field_order);
3271 if (av_log_get_level() >= AV_LOG_VERBOSE &&
3272 enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
3273 av_strlcatf(detail, sizeof(detail), "%s, ",
3274 av_chroma_location_name(enc->chroma_sample_location));
3276 if (strlen(detail) > 1) {
3277 detail[strlen(detail) - 2] = 0;
3278 av_strlcatf(buf, buf_size, "%s)", detail);
3283 av_strlcat(buf, new_line ? separator : ", ", buf_size);
3285 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3287 enc->width, enc->height);
3289 if (av_log_get_level() >= AV_LOG_VERBOSE &&
3290 (enc->width != enc->coded_width ||
3291 enc->height != enc->coded_height))
3292 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3293 " (%dx%d)", enc->coded_width, enc->coded_height);
3295 if (enc->sample_aspect_ratio.num) {
3296 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
3297 enc->width * (int64_t)enc->sample_aspect_ratio.num,
3298 enc->height * (int64_t)enc->sample_aspect_ratio.den,
3300 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3301 " [SAR %d:%d DAR %d:%d]",
3302 enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
3303 display_aspect_ratio.num, display_aspect_ratio.den);
3305 if (av_log_get_level() >= AV_LOG_DEBUG) {
3306 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3307 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3309 enc->time_base.num / g, enc->time_base.den / g);
3313 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3314 ", q=%d-%d", enc->qmin, enc->qmax);
3316 if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS)
3317 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3318 ", Closed Captions");
3319 if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS)
3320 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3324 case AVMEDIA_TYPE_AUDIO:
3325 av_strlcat(buf, separator, buf_size);
3327 if (enc->sample_rate) {
3328 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3329 "%d Hz, ", enc->sample_rate);
3331 av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
3332 if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
3333 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3334 ", %s", av_get_sample_fmt_name(enc->sample_fmt));
3336 if ( enc->bits_per_raw_sample > 0
3337 && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8)
3338 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3339 " (%d bit)", enc->bits_per_raw_sample);
3340 if (av_log_get_level() >= AV_LOG_VERBOSE) {
3341 if (enc->initial_padding)
3342 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3343 ", delay %d", enc->initial_padding);
3344 if (enc->trailing_padding)
3345 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3346 ", padding %d", enc->trailing_padding);
3349 case AVMEDIA_TYPE_DATA:
3350 if (av_log_get_level() >= AV_LOG_DEBUG) {
3351 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3353 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3355 enc->time_base.num / g, enc->time_base.den / g);
3358 case AVMEDIA_TYPE_SUBTITLE:
3360 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3361 ", %dx%d", enc->width, enc->height);
3367 if (enc->flags & AV_CODEC_FLAG_PASS1)
3368 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3370 if (enc->flags & AV_CODEC_FLAG_PASS2)
3371 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3374 bitrate = get_bit_rate(enc);
3376 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3377 ", %"PRId64" kb/s", bitrate / 1000);
3378 } else if (enc->rc_max_rate > 0) {
3379 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3380 ", max. %"PRId64" kb/s", (int64_t)enc->rc_max_rate / 1000);
3384 const char *av_get_profile_name(const AVCodec *codec, int profile)
3387 if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
3390 for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3391 if (p->profile == profile)
3397 const char *avcodec_profile_name(enum AVCodecID codec_id, int profile)
3399 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
3402 if (profile == FF_PROFILE_UNKNOWN || !desc || !desc->profiles)
3405 for (p = desc->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3406 if (p->profile == profile)
3412 unsigned avcodec_version(void)
3414 // av_assert0(AV_CODEC_ID_V410==164);
3415 av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
3416 av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
3417 // av_assert0(AV_CODEC_ID_BMV_AUDIO==86071);
3418 av_assert0(AV_CODEC_ID_SRT==94216);
3419 av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
3421 return LIBAVCODEC_VERSION_INT;
3424 const char *avcodec_configuration(void)
3426 return FFMPEG_CONFIGURATION;
3429 const char *avcodec_license(void)
3431 #define LICENSE_PREFIX "libavcodec license: "
3432 return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
3435 void avcodec_flush_buffers(AVCodecContext *avctx)
3437 avctx->internal->draining = 0;
3438 avctx->internal->draining_done = 0;
3439 av_frame_unref(avctx->internal->buffer_frame);
3440 av_packet_unref(avctx->internal->buffer_pkt);
3441 avctx->internal->buffer_pkt_valid = 0;
3443 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
3444 ff_thread_flush(avctx);
3445 else if (avctx->codec->flush)
3446 avctx->codec->flush(avctx);
3448 avctx->pts_correction_last_pts =
3449 avctx->pts_correction_last_dts = INT64_MIN;
3451 if (!avctx->refcounted_frames)
3452 av_frame_unref(avctx->internal->to_free);
3455 int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
3458 case AV_CODEC_ID_8SVX_EXP:
3459 case AV_CODEC_ID_8SVX_FIB:
3460 case AV_CODEC_ID_ADPCM_CT:
3461 case AV_CODEC_ID_ADPCM_IMA_APC:
3462 case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
3463 case AV_CODEC_ID_ADPCM_IMA_OKI:
3464 case AV_CODEC_ID_ADPCM_IMA_WS:
3465 case AV_CODEC_ID_ADPCM_G722:
3466 case AV_CODEC_ID_ADPCM_YAMAHA:
3467 case AV_CODEC_ID_ADPCM_AICA:
3469 case AV_CODEC_ID_DSD_LSBF:
3470 case AV_CODEC_ID_DSD_MSBF:
3471 case AV_CODEC_ID_DSD_LSBF_PLANAR:
3472 case AV_CODEC_ID_DSD_MSBF_PLANAR:
3473 case AV_CODEC_ID_PCM_ALAW:
3474 case AV_CODEC_ID_PCM_MULAW:
3475 case AV_CODEC_ID_PCM_S8:
3476 case AV_CODEC_ID_PCM_S8_PLANAR:
3477 case AV_CODEC_ID_PCM_U8:
3478 case AV_CODEC_ID_PCM_ZORK:
3479 case AV_CODEC_ID_SDX2_DPCM:
3481 case AV_CODEC_ID_PCM_S16BE:
3482 case AV_CODEC_ID_PCM_S16BE_PLANAR:
3483 case AV_CODEC_ID_PCM_S16LE:
3484 case AV_CODEC_ID_PCM_S16LE_PLANAR:
3485 case AV_CODEC_ID_PCM_U16BE:
3486 case AV_CODEC_ID_PCM_U16LE:
3488 case AV_CODEC_ID_PCM_S24DAUD:
3489 case AV_CODEC_ID_PCM_S24BE:
3490 case AV_CODEC_ID_PCM_S24LE:
3491 case AV_CODEC_ID_PCM_S24LE_PLANAR:
3492 case AV_CODEC_ID_PCM_U24BE:
3493 case AV_CODEC_ID_PCM_U24LE:
3495 case AV_CODEC_ID_PCM_S32BE:
3496 case AV_CODEC_ID_PCM_S32LE:
3497 case AV_CODEC_ID_PCM_S32LE_PLANAR:
3498 case AV_CODEC_ID_PCM_U32BE:
3499 case AV_CODEC_ID_PCM_U32LE:
3500 case AV_CODEC_ID_PCM_F32BE:
3501 case AV_CODEC_ID_PCM_F32LE:
3503 case AV_CODEC_ID_PCM_F64BE:
3504 case AV_CODEC_ID_PCM_F64LE:
3505 case AV_CODEC_ID_PCM_S64BE:
3506 case AV_CODEC_ID_PCM_S64LE:
3513 enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
3515 static const enum AVCodecID map[AV_SAMPLE_FMT_NB][2] = {
3516 [AV_SAMPLE_FMT_U8 ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3517 [AV_SAMPLE_FMT_S16 ] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3518 [AV_SAMPLE_FMT_S32 ] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3519 [AV_SAMPLE_FMT_FLT ] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3520 [AV_SAMPLE_FMT_DBL ] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3521 [AV_SAMPLE_FMT_U8P ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3522 [AV_SAMPLE_FMT_S16P] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3523 [AV_SAMPLE_FMT_S32P] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3524 [AV_SAMPLE_FMT_S64P] = { AV_CODEC_ID_PCM_S64LE, AV_CODEC_ID_PCM_S64BE },
3525 [AV_SAMPLE_FMT_FLTP] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3526 [AV_SAMPLE_FMT_DBLP] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3528 if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB)
3529 return AV_CODEC_ID_NONE;
3530 if (be < 0 || be > 1)
3532 return map[fmt][be];
3535 int av_get_bits_per_sample(enum AVCodecID codec_id)
3538 case AV_CODEC_ID_ADPCM_SBPRO_2:
3540 case AV_CODEC_ID_ADPCM_SBPRO_3:
3542 case AV_CODEC_ID_ADPCM_SBPRO_4:
3543 case AV_CODEC_ID_ADPCM_IMA_WAV:
3544 case AV_CODEC_ID_ADPCM_IMA_QT:
3545 case AV_CODEC_ID_ADPCM_SWF:
3546 case AV_CODEC_ID_ADPCM_MS:
3549 return av_get_exact_bits_per_sample(codec_id);
3553 static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
3554 uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
3555 uint8_t * extradata, int frame_size, int frame_bytes)
3557 int bps = av_get_exact_bits_per_sample(id);
3558 int framecount = (ba > 0 && frame_bytes / ba > 0) ? frame_bytes / ba : 1;
3560 /* codecs with an exact constant bits per sample */
3561 if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
3562 return (frame_bytes * 8LL) / (bps * ch);
3563 bps = bits_per_coded_sample;
3565 /* codecs with a fixed packet duration */
3567 case AV_CODEC_ID_ADPCM_ADX: return 32;
3568 case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
3569 case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
3570 case AV_CODEC_ID_AMR_NB:
3571 case AV_CODEC_ID_EVRC:
3572 case AV_CODEC_ID_GSM:
3573 case AV_CODEC_ID_QCELP:
3574 case AV_CODEC_ID_RA_288: return 160;
3575 case AV_CODEC_ID_AMR_WB:
3576 case AV_CODEC_ID_GSM_MS: return 320;
3577 case AV_CODEC_ID_MP1: return 384;
3578 case AV_CODEC_ID_ATRAC1: return 512;
3579 case AV_CODEC_ID_ATRAC3: return 1024 * framecount;
3580 case AV_CODEC_ID_ATRAC3P: return 2048;
3581 case AV_CODEC_ID_MP2:
3582 case AV_CODEC_ID_MUSEPACK7: return 1152;
3583 case AV_CODEC_ID_AC3: return 1536;
3587 /* calc from sample rate */
3588 if (id == AV_CODEC_ID_TTA)
3589 return 256 * sr / 245;
3590 else if (id == AV_CODEC_ID_DST)
3591 return 588 * sr / 44100;
3594 /* calc from sample rate and channels */
3595 if (id == AV_CODEC_ID_BINKAUDIO_DCT)
3596 return (480 << (sr / 22050)) / ch;
3601 /* calc from block_align */
3602 if (id == AV_CODEC_ID_SIPR) {
3604 case 20: return 160;
3605 case 19: return 144;
3606 case 29: return 288;
3607 case 37: return 480;
3609 } else if (id == AV_CODEC_ID_ILBC) {
3611 case 38: return 160;
3612 case 50: return 240;
3617 if (frame_bytes > 0) {
3618 /* calc from frame_bytes only */
3619 if (id == AV_CODEC_ID_TRUESPEECH)
3620 return 240 * (frame_bytes / 32);
3621 if (id == AV_CODEC_ID_NELLYMOSER)
3622 return 256 * (frame_bytes / 64);
3623 if (id == AV_CODEC_ID_RA_144)
3624 return 160 * (frame_bytes / 20);
3625 if (id == AV_CODEC_ID_G723_1)
3626 return 240 * (frame_bytes / 24);
3629 /* calc from frame_bytes and bits_per_coded_sample */
3630 if (id == AV_CODEC_ID_ADPCM_G726)
3631 return frame_bytes * 8 / bps;
3634 if (ch > 0 && ch < INT_MAX/16) {
3635 /* calc from frame_bytes and channels */
3637 case AV_CODEC_ID_ADPCM_AFC:
3638 return frame_bytes / (9 * ch) * 16;
3639 case AV_CODEC_ID_ADPCM_PSX:
3640 case AV_CODEC_ID_ADPCM_DTK:
3641 return frame_bytes / (16 * ch) * 28;
3642 case AV_CODEC_ID_ADPCM_4XM:
3643 case AV_CODEC_ID_ADPCM_IMA_DAT4:
3644 case AV_CODEC_ID_ADPCM_IMA_ISS:
3645 return (frame_bytes - 4 * ch) * 2 / ch;
3646 case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
3647 return (frame_bytes - 4) * 2 / ch;
3648 case AV_CODEC_ID_ADPCM_IMA_AMV:
3649 return (frame_bytes - 8) * 2 / ch;
3650 case AV_CODEC_ID_ADPCM_THP:
3651 case AV_CODEC_ID_ADPCM_THP_LE:
3653 return frame_bytes * 14 / (8 * ch);
3655 case AV_CODEC_ID_ADPCM_XA:
3656 return (frame_bytes / 128) * 224 / ch;
3657 case AV_CODEC_ID_INTERPLAY_DPCM:
3658 return (frame_bytes - 6 - ch) / ch;
3659 case AV_CODEC_ID_ROQ_DPCM:
3660 return (frame_bytes - 8) / ch;
3661 case AV_CODEC_ID_XAN_DPCM:
3662 return (frame_bytes - 2 * ch) / ch;
3663 case AV_CODEC_ID_MACE3:
3664 return 3 * frame_bytes / ch;
3665 case AV_CODEC_ID_MACE6:
3666 return 6 * frame_bytes / ch;
3667 case AV_CODEC_ID_PCM_LXF:
3668 return 2 * (frame_bytes / (5 * ch));
3669 case AV_CODEC_ID_IAC:
3670 case AV_CODEC_ID_IMC:
3671 return 4 * frame_bytes / ch;
3675 /* calc from frame_bytes, channels, and codec_tag */
3676 if (id == AV_CODEC_ID_SOL_DPCM) {
3678 return frame_bytes / ch;
3680 return frame_bytes * 2 / ch;
3685 /* calc from frame_bytes, channels, and block_align */
3686 int blocks = frame_bytes / ba;
3688 case AV_CODEC_ID_ADPCM_IMA_WAV:
3689 if (bps < 2 || bps > 5)
3691 return blocks * (1 + (ba - 4 * ch) / (bps * ch) * 8);
3692 case AV_CODEC_ID_ADPCM_IMA_DK3:
3693 return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
3694 case AV_CODEC_ID_ADPCM_IMA_DK4:
3695 return blocks * (1 + (ba - 4 * ch) * 2 / ch);
3696 case AV_CODEC_ID_ADPCM_IMA_RAD:
3697 return blocks * ((ba - 4 * ch) * 2 / ch);
3698 case AV_CODEC_ID_ADPCM_MS:
3699 return blocks * (2 + (ba - 7 * ch) * 2 / ch);
3700 case AV_CODEC_ID_ADPCM_MTAF:
3701 return blocks * (ba - 16) * 2 / ch;
3706 /* calc from frame_bytes, channels, and bits_per_coded_sample */
3708 case AV_CODEC_ID_PCM_DVD:
3711 return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
3712 case AV_CODEC_ID_PCM_BLURAY:
3715 return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
3716 case AV_CODEC_ID_S302M:
3717 return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
3723 /* Fall back on using frame_size */
3724 if (frame_size > 1 && frame_bytes)
3727 //For WMA we currently have no other means to calculate duration thus we
3728 //do it here by assuming CBR, which is true for all known cases.
3729 if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
3730 if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
3731 return (frame_bytes * 8LL * sr) / bitrate;
3737 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
3739 return get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
3740 avctx->channels, avctx->block_align,
3741 avctx->codec_tag, avctx->bits_per_coded_sample,
3742 avctx->bit_rate, avctx->extradata, avctx->frame_size,
3746 int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
3748 return get_audio_frame_duration(par->codec_id, par->sample_rate,
3749 par->channels, par->block_align,
3750 par->codec_tag, par->bits_per_coded_sample,
3751 par->bit_rate, par->extradata, par->frame_size,
3756 int ff_thread_init(AVCodecContext *s)
3763 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
3777 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
3780 for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
3784 #if FF_API_MISSING_SAMPLE
3785 FF_DISABLE_DEPRECATION_WARNINGS
3786 void av_log_missing_feature(void *avc, const char *feature, int want_sample)
3788 av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your FFmpeg "
3789 "version to the newest one from Git. If the problem still "
3790 "occurs, it means that your file has a feature which has not "
3791 "been implemented.\n", feature);
3793 av_log_ask_for_sample(avc, NULL);
3796 void av_log_ask_for_sample(void *avc, const char *msg, ...)
3798 va_list argument_list;
3800 va_start(argument_list, msg);
3803 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
3804 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
3805 "of this file to ftp://upload.ffmpeg.org/incoming/ "
3806 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n");
3808 va_end(argument_list);
3810 FF_ENABLE_DEPRECATION_WARNINGS
3811 #endif /* FF_API_MISSING_SAMPLE */
3813 static AVHWAccel *first_hwaccel = NULL;
3814 static AVHWAccel **last_hwaccel = &first_hwaccel;
3816 void av_register_hwaccel(AVHWAccel *hwaccel)
3818 AVHWAccel **p = last_hwaccel;
3819 hwaccel->next = NULL;
3820 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, hwaccel))
3822 last_hwaccel = &hwaccel->next;
3825 AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
3827 return hwaccel ? hwaccel->next : first_hwaccel;
3830 int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
3833 // There is no good way to rollback a failure to destroy the
3834 // mutex, so we ignore failures.
3835 lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
3836 lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
3839 avformat_mutex = NULL;
3843 void *new_codec_mutex = NULL;
3844 void *new_avformat_mutex = NULL;
3846 if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
3847 return err > 0 ? AVERROR_UNKNOWN : err;
3849 if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
3850 // Ignore failures to destroy the newly created mutex.
3851 cb(&new_codec_mutex, AV_LOCK_DESTROY);
3852 return err > 0 ? AVERROR_UNKNOWN : err;
3855 codec_mutex = new_codec_mutex;
3856 avformat_mutex = new_avformat_mutex;
3862 int ff_lock_avcodec(AVCodecContext *log_ctx, const AVCodec *codec)
3864 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3868 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
3872 if (avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, 1) != 1) {
3873 av_log(log_ctx, AV_LOG_ERROR,
3874 "Insufficient thread locking. At least %d threads are "
3875 "calling avcodec_open2() at the same time right now.\n",
3876 entangled_thread_counter);
3878 av_log(log_ctx, AV_LOG_ERROR, "No lock manager is set, please see av_lockmgr_register()\n");
3879 ff_avcodec_locked = 1;
3880 ff_unlock_avcodec(codec);
3881 return AVERROR(EINVAL);
3883 av_assert0(!ff_avcodec_locked);
3884 ff_avcodec_locked = 1;
3888 int ff_unlock_avcodec(const AVCodec *codec)
3890 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3893 av_assert0(ff_avcodec_locked);
3894 ff_avcodec_locked = 0;
3895 avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, -1);
3897 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE))
3904 int avpriv_lock_avformat(void)
3907 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
3913 int avpriv_unlock_avformat(void)
3916 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
3922 unsigned int avpriv_toupper4(unsigned int x)
3924 return av_toupper(x & 0xFF) +
3925 (av_toupper((x >> 8) & 0xFF) << 8) +
3926 (av_toupper((x >> 16) & 0xFF) << 16) +
3927 ((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
3930 int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
3934 dst->owner = src->owner;
3936 ret = av_frame_ref(dst->f, src->f);
3940 av_assert0(!dst->progress);
3942 if (src->progress &&
3943 !(dst->progress = av_buffer_ref(src->progress))) {
3944 ff_thread_release_buffer(dst->owner, dst);
3945 return AVERROR(ENOMEM);
3953 enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
3955 return ff_get_format(avctx, fmt);
3958 int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
3961 return ff_get_buffer(avctx, f->f, flags);
3964 void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
3967 av_frame_unref(f->f);
3970 void ff_thread_finish_setup(AVCodecContext *avctx)
3974 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
3978 void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
3982 int ff_thread_can_start_frame(AVCodecContext *avctx)
3987 int ff_alloc_entries(AVCodecContext *avctx, int count)
3992 void ff_reset_entries(AVCodecContext *avctx)
3996 void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
4000 void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
4006 int avcodec_is_open(AVCodecContext *s)
4008 return !!s->internal;
4011 int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
4016 ret = av_bprint_finalize(buf, &str);
4019 if (!av_bprint_is_complete(buf)) {
4021 return AVERROR(ENOMEM);
4024 avctx->extradata = str;
4025 /* Note: the string is NUL terminated (so extradata can be read as a
4026 * string), but the ending character is not accounted in the size (in
4027 * binary formats you are likely not supposed to mux that character). When
4028 * extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
4030 avctx->extradata_size = buf->len;
4034 const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
4036 uint32_t *av_restrict state)
4040 av_assert0(p <= end);
4044 for (i = 0; i < 3; i++) {
4045 uint32_t tmp = *state << 8;
4046 *state = tmp + *(p++);
4047 if (tmp == 0x100 || p == end)
4052 if (p[-1] > 1 ) p += 3;
4053 else if (p[-2] ) p += 2;
4054 else if (p[-3]|(p[-1]-1)) p++;
4061 p = FFMIN(p, end) - 4;
4062 *state = AV_RB32(p);
4067 AVCPBProperties *av_cpb_properties_alloc(size_t *size)
4069 AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
4074 *size = sizeof(*props);
4076 props->vbv_delay = UINT64_MAX;
4081 AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
4083 AVPacketSideData *tmp;
4084 AVCPBProperties *props;
4087 props = av_cpb_properties_alloc(&size);
4091 tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
4097 avctx->coded_side_data = tmp;
4098 avctx->nb_coded_side_data++;
4100 avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
4101 avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
4102 avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
4107 static void codec_parameters_reset(AVCodecParameters *par)
4109 av_freep(&par->extradata);
4111 memset(par, 0, sizeof(*par));
4113 par->codec_type = AVMEDIA_TYPE_UNKNOWN;
4114 par->codec_id = AV_CODEC_ID_NONE;
4116 par->field_order = AV_FIELD_UNKNOWN;
4117 par->color_range = AVCOL_RANGE_UNSPECIFIED;
4118 par->color_primaries = AVCOL_PRI_UNSPECIFIED;
4119 par->color_trc = AVCOL_TRC_UNSPECIFIED;
4120 par->color_space = AVCOL_SPC_UNSPECIFIED;
4121 par->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
4122 par->sample_aspect_ratio = (AVRational){ 0, 1 };
4123 par->profile = FF_PROFILE_UNKNOWN;
4124 par->level = FF_LEVEL_UNKNOWN;
4127 AVCodecParameters *avcodec_parameters_alloc(void)
4129 AVCodecParameters *par = av_mallocz(sizeof(*par));
4133 codec_parameters_reset(par);
4137 void avcodec_parameters_free(AVCodecParameters **ppar)
4139 AVCodecParameters *par = *ppar;
4143 codec_parameters_reset(par);
4148 int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
4150 codec_parameters_reset(dst);
4151 memcpy(dst, src, sizeof(*dst));
4153 dst->extradata = NULL;
4154 dst->extradata_size = 0;
4155 if (src->extradata) {
4156 dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4157 if (!dst->extradata)
4158 return AVERROR(ENOMEM);
4159 memcpy(dst->extradata, src->extradata, src->extradata_size);
4160 dst->extradata_size = src->extradata_size;
4166 int avcodec_parameters_from_context(AVCodecParameters *par,
4167 const AVCodecContext *codec)
4169 codec_parameters_reset(par);
4171 par->codec_type = codec->codec_type;
4172 par->codec_id = codec->codec_id;
4173 par->codec_tag = codec->codec_tag;
4175 par->bit_rate = codec->bit_rate;
4176 par->bits_per_coded_sample = codec->bits_per_coded_sample;
4177 par->bits_per_raw_sample = codec->bits_per_raw_sample;
4178 par->profile = codec->profile;
4179 par->level = codec->level;
4181 switch (par->codec_type) {
4182 case AVMEDIA_TYPE_VIDEO:
4183 par->format = codec->pix_fmt;
4184 par->width = codec->width;
4185 par->height = codec->height;
4186 par->field_order = codec->field_order;
4187 par->color_range = codec->color_range;
4188 par->color_primaries = codec->color_primaries;
4189 par->color_trc = codec->color_trc;
4190 par->color_space = codec->colorspace;
4191 par->chroma_location = codec->chroma_sample_location;
4192 par->sample_aspect_ratio = codec->sample_aspect_ratio;
4193 par->video_delay = codec->has_b_frames;
4195 case AVMEDIA_TYPE_AUDIO:
4196 par->format = codec->sample_fmt;
4197 par->channel_layout = codec->channel_layout;
4198 par->channels = codec->channels;
4199 par->sample_rate = codec->sample_rate;
4200 par->block_align = codec->block_align;
4201 par->frame_size = codec->frame_size;
4202 par->initial_padding = codec->initial_padding;
4203 par->trailing_padding = codec->trailing_padding;
4204 par->seek_preroll = codec->seek_preroll;
4206 case AVMEDIA_TYPE_SUBTITLE:
4207 par->width = codec->width;
4208 par->height = codec->height;
4212 if (codec->extradata) {
4213 par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4214 if (!par->extradata)
4215 return AVERROR(ENOMEM);
4216 memcpy(par->extradata, codec->extradata, codec->extradata_size);
4217 par->extradata_size = codec->extradata_size;
4223 int avcodec_parameters_to_context(AVCodecContext *codec,
4224 const AVCodecParameters *par)
4226 codec->codec_type = par->codec_type;
4227 codec->codec_id = par->codec_id;
4228 codec->codec_tag = par->codec_tag;
4230 codec->bit_rate = par->bit_rate;
4231 codec->bits_per_coded_sample = par->bits_per_coded_sample;
4232 codec->bits_per_raw_sample = par->bits_per_raw_sample;
4233 codec->profile = par->profile;
4234 codec->level = par->level;
4236 switch (par->codec_type) {
4237 case AVMEDIA_TYPE_VIDEO:
4238 codec->pix_fmt = par->format;
4239 codec->width = par->width;
4240 codec->height = par->height;
4241 codec->field_order = par->field_order;
4242 codec->color_range = par->color_range;
4243 codec->color_primaries = par->color_primaries;
4244 codec->color_trc = par->color_trc;
4245 codec->colorspace = par->color_space;
4246 codec->chroma_sample_location = par->chroma_location;
4247 codec->sample_aspect_ratio = par->sample_aspect_ratio;
4248 codec->has_b_frames = par->video_delay;
4250 case AVMEDIA_TYPE_AUDIO:
4251 codec->sample_fmt = par->format;
4252 codec->channel_layout = par->channel_layout;
4253 codec->channels = par->channels;
4254 codec->sample_rate = par->sample_rate;
4255 codec->block_align = par->block_align;
4256 codec->frame_size = par->frame_size;
4258 codec->initial_padding = par->initial_padding;
4259 codec->trailing_padding = par->trailing_padding;
4260 codec->seek_preroll = par->seek_preroll;
4262 case AVMEDIA_TYPE_SUBTITLE:
4263 codec->width = par->width;
4264 codec->height = par->height;
4268 if (par->extradata) {
4269 av_freep(&codec->extradata);
4270 codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
4271 if (!codec->extradata)
4272 return AVERROR(ENOMEM);
4273 memcpy(codec->extradata, par->extradata, par->extradata_size);
4274 codec->extradata_size = par->extradata_size;
4280 int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
4281 void **data, size_t *sei_size)
4283 AVFrameSideData *side_data = NULL;
4287 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC);
4294 *sei_size = side_data->size + 11;
4295 *data = av_mallocz(*sei_size + prefix_len);
4297 return AVERROR(ENOMEM);
4298 sei_data = (uint8_t*)*data + prefix_len;
4306 * 'GA94' is standard in North America for ATSC, but hard coding
4307 * this style may not be the right thing to do -- other formats
4308 * do exist. This information is not available in the side_data
4309 * so we are going with this right now.
4311 AV_WL32(sei_data + 3, MKTAG('G', 'A', '9', '4'));
4313 sei_data[8] = ((side_data->size/3) & 0x1f) | 0x40;
4316 memcpy(sei_data + 10, side_data->data, side_data->size);
4318 sei_data[side_data->size+10] = 255;