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/internal.h"
38 #include "libavutil/mathematics.h"
39 #include "libavutil/mem_internal.h"
40 #include "libavutil/pixdesc.h"
41 #include "libavutil/imgutils.h"
42 #include "libavutil/samplefmt.h"
43 #include "libavutil/dict.h"
45 #include "libavutil/opt.h"
47 #include "mpegvideo.h"
49 #include "frame_thread_encoder.h"
52 #include "bytestream.h"
65 #include "compat/w32pthreads.h"
67 #include "compat/os2threads.h"
70 #include "libavutil/ffversion.h"
71 const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
73 #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
74 static int default_lockmgr_cb(void **arg, enum AVLockOp op)
76 void * volatile * mutex = arg;
84 pthread_mutex_t *tmp = av_malloc(sizeof(pthread_mutex_t));
86 return AVERROR(ENOMEM);
87 if ((err = pthread_mutex_init(tmp, NULL))) {
91 if (avpriv_atomic_ptr_cas(mutex, NULL, tmp)) {
92 pthread_mutex_destroy(tmp);
97 if ((err = pthread_mutex_lock(*mutex)))
101 case AV_LOCK_RELEASE:
102 if ((err = pthread_mutex_unlock(*mutex)))
106 case AV_LOCK_DESTROY:
108 pthread_mutex_destroy(*mutex);
110 avpriv_atomic_ptr_cas(mutex, *mutex, NULL);
115 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = default_lockmgr_cb;
117 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = NULL;
121 volatile int ff_avcodec_locked;
122 static int volatile entangled_thread_counter = 0;
123 static void *codec_mutex;
124 static void *avformat_mutex;
126 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
129 if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
134 if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
135 memset(*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
138 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
141 if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
146 if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
147 memset(*p, 0, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
150 /* encoder management */
151 static AVCodec *first_avcodec = NULL;
152 static AVCodec **last_avcodec = &first_avcodec;
154 AVCodec *av_codec_next(const AVCodec *c)
159 return first_avcodec;
162 static av_cold void avcodec_init(void)
164 static int initialized = 0;
166 if (initialized != 0)
171 ff_me_cmp_init_static();
174 int av_codec_is_encoder(const AVCodec *codec)
176 return codec && (codec->encode_sub || codec->encode2);
179 int av_codec_is_decoder(const AVCodec *codec)
181 return codec && codec->decode;
184 av_cold void avcodec_register(AVCodec *codec)
191 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, codec))
193 last_avcodec = &codec->next;
195 if (codec->init_static_data)
196 codec->init_static_data(codec);
200 unsigned avcodec_get_edge_width(void)
206 #if FF_API_SET_DIMENSIONS
207 void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
209 int ret = ff_set_dimensions(s, width, height);
211 av_log(s, AV_LOG_WARNING, "Failed to set dimensions %d %d\n", width, height);
216 int ff_set_dimensions(AVCodecContext *s, int width, int height)
218 int ret = av_image_check_size(width, height, 0, s);
223 s->coded_width = width;
224 s->coded_height = height;
225 s->width = FF_CEIL_RSHIFT(width, s->lowres);
226 s->height = FF_CEIL_RSHIFT(height, s->lowres);
231 int ff_set_sar(AVCodecContext *avctx, AVRational sar)
233 int ret = av_image_check_sar(avctx->width, avctx->height, sar);
236 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
238 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
241 avctx->sample_aspect_ratio = sar;
246 int ff_side_data_update_matrix_encoding(AVFrame *frame,
247 enum AVMatrixEncoding matrix_encoding)
249 AVFrameSideData *side_data;
250 enum AVMatrixEncoding *data;
252 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
254 side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
255 sizeof(enum AVMatrixEncoding));
258 return AVERROR(ENOMEM);
260 data = (enum AVMatrixEncoding*)side_data->data;
261 *data = matrix_encoding;
266 void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
267 int linesize_align[AV_NUM_DATA_POINTERS])
272 AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
275 w_align = 1 << desc->log2_chroma_w;
276 h_align = 1 << desc->log2_chroma_h;
279 switch (s->pix_fmt) {
280 case AV_PIX_FMT_YUV420P:
281 case AV_PIX_FMT_YUYV422:
282 case AV_PIX_FMT_YVYU422:
283 case AV_PIX_FMT_UYVY422:
284 case AV_PIX_FMT_YUV422P:
285 case AV_PIX_FMT_YUV440P:
286 case AV_PIX_FMT_YUV444P:
287 case AV_PIX_FMT_GBRP:
288 case AV_PIX_FMT_GBRAP:
289 case AV_PIX_FMT_GRAY8:
290 case AV_PIX_FMT_GRAY16BE:
291 case AV_PIX_FMT_GRAY16LE:
292 case AV_PIX_FMT_YUVJ420P:
293 case AV_PIX_FMT_YUVJ422P:
294 case AV_PIX_FMT_YUVJ440P:
295 case AV_PIX_FMT_YUVJ444P:
296 case AV_PIX_FMT_YUVA420P:
297 case AV_PIX_FMT_YUVA422P:
298 case AV_PIX_FMT_YUVA444P:
299 case AV_PIX_FMT_YUV420P9LE:
300 case AV_PIX_FMT_YUV420P9BE:
301 case AV_PIX_FMT_YUV420P10LE:
302 case AV_PIX_FMT_YUV420P10BE:
303 case AV_PIX_FMT_YUV420P12LE:
304 case AV_PIX_FMT_YUV420P12BE:
305 case AV_PIX_FMT_YUV420P14LE:
306 case AV_PIX_FMT_YUV420P14BE:
307 case AV_PIX_FMT_YUV420P16LE:
308 case AV_PIX_FMT_YUV420P16BE:
309 case AV_PIX_FMT_YUVA420P9LE:
310 case AV_PIX_FMT_YUVA420P9BE:
311 case AV_PIX_FMT_YUVA420P10LE:
312 case AV_PIX_FMT_YUVA420P10BE:
313 case AV_PIX_FMT_YUVA420P16LE:
314 case AV_PIX_FMT_YUVA420P16BE:
315 case AV_PIX_FMT_YUV422P9LE:
316 case AV_PIX_FMT_YUV422P9BE:
317 case AV_PIX_FMT_YUV422P10LE:
318 case AV_PIX_FMT_YUV422P10BE:
319 case AV_PIX_FMT_YUV422P12LE:
320 case AV_PIX_FMT_YUV422P12BE:
321 case AV_PIX_FMT_YUV422P14LE:
322 case AV_PIX_FMT_YUV422P14BE:
323 case AV_PIX_FMT_YUV422P16LE:
324 case AV_PIX_FMT_YUV422P16BE:
325 case AV_PIX_FMT_YUVA422P9LE:
326 case AV_PIX_FMT_YUVA422P9BE:
327 case AV_PIX_FMT_YUVA422P10LE:
328 case AV_PIX_FMT_YUVA422P10BE:
329 case AV_PIX_FMT_YUVA422P16LE:
330 case AV_PIX_FMT_YUVA422P16BE:
331 case AV_PIX_FMT_YUV440P10LE:
332 case AV_PIX_FMT_YUV440P10BE:
333 case AV_PIX_FMT_YUV440P12LE:
334 case AV_PIX_FMT_YUV440P12BE:
335 case AV_PIX_FMT_YUV444P9LE:
336 case AV_PIX_FMT_YUV444P9BE:
337 case AV_PIX_FMT_YUV444P10LE:
338 case AV_PIX_FMT_YUV444P10BE:
339 case AV_PIX_FMT_YUV444P12LE:
340 case AV_PIX_FMT_YUV444P12BE:
341 case AV_PIX_FMT_YUV444P14LE:
342 case AV_PIX_FMT_YUV444P14BE:
343 case AV_PIX_FMT_YUV444P16LE:
344 case AV_PIX_FMT_YUV444P16BE:
345 case AV_PIX_FMT_YUVA444P9LE:
346 case AV_PIX_FMT_YUVA444P9BE:
347 case AV_PIX_FMT_YUVA444P10LE:
348 case AV_PIX_FMT_YUVA444P10BE:
349 case AV_PIX_FMT_YUVA444P16LE:
350 case AV_PIX_FMT_YUVA444P16BE:
351 case AV_PIX_FMT_GBRP9LE:
352 case AV_PIX_FMT_GBRP9BE:
353 case AV_PIX_FMT_GBRP10LE:
354 case AV_PIX_FMT_GBRP10BE:
355 case AV_PIX_FMT_GBRP12LE:
356 case AV_PIX_FMT_GBRP12BE:
357 case AV_PIX_FMT_GBRP14LE:
358 case AV_PIX_FMT_GBRP14BE:
359 case AV_PIX_FMT_GBRP16LE:
360 case AV_PIX_FMT_GBRP16BE:
361 w_align = 16; //FIXME assume 16 pixel per macroblock
362 h_align = 16 * 2; // interlaced needs 2 macroblocks height
364 case AV_PIX_FMT_YUV411P:
365 case AV_PIX_FMT_YUVJ411P:
366 case AV_PIX_FMT_UYYVYY411:
370 case AV_PIX_FMT_YUV410P:
371 if (s->codec_id == AV_CODEC_ID_SVQ1) {
376 case AV_PIX_FMT_RGB555:
377 if (s->codec_id == AV_CODEC_ID_RPZA) {
382 case AV_PIX_FMT_PAL8:
383 case AV_PIX_FMT_BGR8:
384 case AV_PIX_FMT_RGB8:
385 if (s->codec_id == AV_CODEC_ID_SMC ||
386 s->codec_id == AV_CODEC_ID_CINEPAK) {
390 if (s->codec_id == AV_CODEC_ID_JV) {
395 case AV_PIX_FMT_BGR24:
396 if ((s->codec_id == AV_CODEC_ID_MSZH) ||
397 (s->codec_id == AV_CODEC_ID_ZLIB)) {
402 case AV_PIX_FMT_RGB24:
403 if (s->codec_id == AV_CODEC_ID_CINEPAK) {
412 if (s->codec_id == AV_CODEC_ID_IFF_ILBM || s->codec_id == AV_CODEC_ID_IFF_BYTERUN1) {
413 w_align = FFMAX(w_align, 8);
416 *width = FFALIGN(*width, w_align);
417 *height = FFALIGN(*height, h_align);
418 if (s->codec_id == AV_CODEC_ID_H264 || s->lowres) {
419 // some of the optimized chroma MC reads one line too much
420 // which is also done in mpeg decoders with lowres > 0
423 // H.264 uses edge emulation for out of frame motion vectors, for this
424 // it requires a temporary area large enough to hold a 21x21 block,
425 // increasing witdth ensure that the temporary area is large enough,
426 // the next rounded up width is 32
427 *width = FFMAX(*width, 32);
430 for (i = 0; i < 4; i++)
431 linesize_align[i] = STRIDE_ALIGN;
434 void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
436 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
437 int chroma_shift = desc->log2_chroma_w;
438 int linesize_align[AV_NUM_DATA_POINTERS];
441 avcodec_align_dimensions2(s, width, height, linesize_align);
442 align = FFMAX(linesize_align[0], linesize_align[3]);
443 linesize_align[1] <<= chroma_shift;
444 linesize_align[2] <<= chroma_shift;
445 align = FFMAX3(align, linesize_align[1], linesize_align[2]);
446 *width = FFALIGN(*width, align);
449 int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
451 if (pos <= AVCHROMA_LOC_UNSPECIFIED || pos >= AVCHROMA_LOC_NB)
452 return AVERROR(EINVAL);
455 *xpos = (pos&1) * 128;
456 *ypos = ((pos>>1)^(pos<4)) * 128;
461 enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
465 for (pos = AVCHROMA_LOC_UNSPECIFIED + 1; pos < AVCHROMA_LOC_NB; pos++) {
466 if (avcodec_enum_to_chroma_pos(&xout, &yout, pos) == 0 && xout == xpos && yout == ypos)
469 return AVCHROMA_LOC_UNSPECIFIED;
472 int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
473 enum AVSampleFormat sample_fmt, const uint8_t *buf,
474 int buf_size, int align)
476 int ch, planar, needed_size, ret = 0;
478 needed_size = av_samples_get_buffer_size(NULL, nb_channels,
479 frame->nb_samples, sample_fmt,
481 if (buf_size < needed_size)
482 return AVERROR(EINVAL);
484 planar = av_sample_fmt_is_planar(sample_fmt);
485 if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
486 if (!(frame->extended_data = av_mallocz_array(nb_channels,
487 sizeof(*frame->extended_data))))
488 return AVERROR(ENOMEM);
490 frame->extended_data = frame->data;
493 if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
494 (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
495 sample_fmt, align)) < 0) {
496 if (frame->extended_data != frame->data)
497 av_freep(&frame->extended_data);
500 if (frame->extended_data != frame->data) {
501 for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
502 frame->data[ch] = frame->extended_data[ch];
508 static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
510 FramePool *pool = avctx->internal->pool;
513 switch (avctx->codec_type) {
514 case AVMEDIA_TYPE_VIDEO: {
517 int w = frame->width;
518 int h = frame->height;
519 int tmpsize, unaligned;
521 if (pool->format == frame->format &&
522 pool->width == frame->width && pool->height == frame->height)
525 avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
528 // NOTE: do not align linesizes individually, this breaks e.g. assumptions
529 // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
530 av_image_fill_linesizes(picture.linesize, avctx->pix_fmt, w);
531 // increase alignment of w for next try (rhs gives the lowest bit set in w)
535 for (i = 0; i < 4; i++)
536 unaligned |= picture.linesize[i] % pool->stride_align[i];
539 tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h,
540 NULL, picture.linesize);
544 for (i = 0; i < 3 && picture.data[i + 1]; i++)
545 size[i] = picture.data[i + 1] - picture.data[i];
546 size[i] = tmpsize - (picture.data[i] - picture.data[0]);
548 for (i = 0; i < 4; i++) {
549 av_buffer_pool_uninit(&pool->pools[i]);
550 pool->linesize[i] = picture.linesize[i];
552 pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
553 CONFIG_MEMORY_POISONING ?
556 if (!pool->pools[i]) {
557 ret = AVERROR(ENOMEM);
562 pool->format = frame->format;
563 pool->width = frame->width;
564 pool->height = frame->height;
568 case AVMEDIA_TYPE_AUDIO: {
569 int ch = av_frame_get_channels(frame); //av_get_channel_layout_nb_channels(frame->channel_layout);
570 int planar = av_sample_fmt_is_planar(frame->format);
571 int planes = planar ? ch : 1;
573 if (pool->format == frame->format && pool->planes == planes &&
574 pool->channels == ch && frame->nb_samples == pool->samples)
577 av_buffer_pool_uninit(&pool->pools[0]);
578 ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
579 frame->nb_samples, frame->format, 0);
583 pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
584 if (!pool->pools[0]) {
585 ret = AVERROR(ENOMEM);
589 pool->format = frame->format;
590 pool->planes = planes;
592 pool->samples = frame->nb_samples;
595 default: av_assert0(0);
599 for (i = 0; i < 4; i++)
600 av_buffer_pool_uninit(&pool->pools[i]);
602 pool->planes = pool->channels = pool->samples = 0;
603 pool->width = pool->height = 0;
607 static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
609 FramePool *pool = avctx->internal->pool;
610 int planes = pool->planes;
613 frame->linesize[0] = pool->linesize[0];
615 if (planes > AV_NUM_DATA_POINTERS) {
616 frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
617 frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
618 frame->extended_buf = av_mallocz_array(frame->nb_extended_buf,
619 sizeof(*frame->extended_buf));
620 if (!frame->extended_data || !frame->extended_buf) {
621 av_freep(&frame->extended_data);
622 av_freep(&frame->extended_buf);
623 return AVERROR(ENOMEM);
626 frame->extended_data = frame->data;
627 av_assert0(frame->nb_extended_buf == 0);
630 for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
631 frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
634 frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
636 for (i = 0; i < frame->nb_extended_buf; i++) {
637 frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
638 if (!frame->extended_buf[i])
640 frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
643 if (avctx->debug & FF_DEBUG_BUFFERS)
644 av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
648 av_frame_unref(frame);
649 return AVERROR(ENOMEM);
652 static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
654 FramePool *pool = s->internal->pool;
658 av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
662 memset(pic->data, 0, sizeof(pic->data));
663 pic->extended_data = pic->data;
665 for (i = 0; i < 4 && pool->pools[i]; i++) {
666 pic->linesize[i] = pool->linesize[i];
668 pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
672 pic->data[i] = pic->buf[i]->data;
674 for (; i < AV_NUM_DATA_POINTERS; i++) {
676 pic->linesize[i] = 0;
678 if (pic->data[1] && !pic->data[2])
679 avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
681 if (s->debug & FF_DEBUG_BUFFERS)
682 av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
687 return AVERROR(ENOMEM);
690 void avpriv_color_frame(AVFrame *frame, const int c[4])
692 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
695 av_assert0(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
697 for (p = 0; p<desc->nb_components; p++) {
698 uint8_t *dst = frame->data[p];
699 int is_chroma = p == 1 || p == 2;
700 int bytes = is_chroma ? FF_CEIL_RSHIFT(frame->width, desc->log2_chroma_w) : frame->width;
701 int height = is_chroma ? FF_CEIL_RSHIFT(frame->height, desc->log2_chroma_h) : frame->height;
702 for (y = 0; y < height; y++) {
703 if (desc->comp[0].depth_minus1 >= 8) {
704 for (x = 0; x<bytes; x++)
705 ((uint16_t*)dst)[x] = c[p];
707 memset(dst, c[p], bytes);
708 dst += frame->linesize[p];
713 int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
717 if ((ret = update_frame_pool(avctx, frame)) < 0)
720 #if FF_API_GET_BUFFER
721 FF_DISABLE_DEPRECATION_WARNINGS
722 frame->type = FF_BUFFER_TYPE_INTERNAL;
723 FF_ENABLE_DEPRECATION_WARNINGS
726 switch (avctx->codec_type) {
727 case AVMEDIA_TYPE_VIDEO:
728 return video_get_buffer(avctx, frame);
729 case AVMEDIA_TYPE_AUDIO:
730 return audio_get_buffer(avctx, frame);
736 static int add_metadata_from_side_data(AVPacket *avpkt, AVFrame *frame)
739 const uint8_t *side_metadata;
741 AVDictionary **frame_md = avpriv_frame_get_metadatap(frame);
743 side_metadata = av_packet_get_side_data(avpkt,
744 AV_PKT_DATA_STRINGS_METADATA, &size);
745 return av_packet_unpack_dictionary(side_metadata, size, frame_md);
748 int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
750 AVPacket *pkt = avctx->internal->pkt;
752 static const struct {
753 enum AVPacketSideDataType packet;
754 enum AVFrameSideDataType frame;
756 { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
757 { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
758 { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
759 { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
763 frame->pkt_pts = pkt->pts;
764 av_frame_set_pkt_pos (frame, pkt->pos);
765 av_frame_set_pkt_duration(frame, pkt->duration);
766 av_frame_set_pkt_size (frame, pkt->size);
768 for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
770 uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
772 AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
776 return AVERROR(ENOMEM);
778 memcpy(frame_sd->data, packet_sd, size);
781 add_metadata_from_side_data(pkt, frame);
783 frame->pkt_pts = AV_NOPTS_VALUE;
784 av_frame_set_pkt_pos (frame, -1);
785 av_frame_set_pkt_duration(frame, 0);
786 av_frame_set_pkt_size (frame, -1);
788 frame->reordered_opaque = avctx->reordered_opaque;
790 if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
791 frame->color_primaries = avctx->color_primaries;
792 if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
793 frame->color_trc = avctx->color_trc;
794 if (av_frame_get_colorspace(frame) == AVCOL_SPC_UNSPECIFIED)
795 av_frame_set_colorspace(frame, avctx->colorspace);
796 if (av_frame_get_color_range(frame) == AVCOL_RANGE_UNSPECIFIED)
797 av_frame_set_color_range(frame, avctx->color_range);
798 if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
799 frame->chroma_location = avctx->chroma_sample_location;
801 switch (avctx->codec->type) {
802 case AVMEDIA_TYPE_VIDEO:
803 frame->format = avctx->pix_fmt;
804 if (!frame->sample_aspect_ratio.num)
805 frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
807 if (frame->width && frame->height &&
808 av_image_check_sar(frame->width, frame->height,
809 frame->sample_aspect_ratio) < 0) {
810 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
811 frame->sample_aspect_ratio.num,
812 frame->sample_aspect_ratio.den);
813 frame->sample_aspect_ratio = (AVRational){ 0, 1 };
817 case AVMEDIA_TYPE_AUDIO:
818 if (!frame->sample_rate)
819 frame->sample_rate = avctx->sample_rate;
820 if (frame->format < 0)
821 frame->format = avctx->sample_fmt;
822 if (!frame->channel_layout) {
823 if (avctx->channel_layout) {
824 if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
826 av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
828 return AVERROR(EINVAL);
831 frame->channel_layout = avctx->channel_layout;
833 if (avctx->channels > FF_SANE_NB_CHANNELS) {
834 av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
836 return AVERROR(ENOSYS);
840 av_frame_set_channels(frame, avctx->channels);
846 #if FF_API_GET_BUFFER
847 FF_DISABLE_DEPRECATION_WARNINGS
848 int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
850 return avcodec_default_get_buffer2(avctx, frame, 0);
853 typedef struct CompatReleaseBufPriv {
854 AVCodecContext avctx;
856 uint8_t avframe_padding[1024]; // hack to allow linking to a avutil with larger AVFrame
857 } CompatReleaseBufPriv;
859 static void compat_free_buffer(void *opaque, uint8_t *data)
861 CompatReleaseBufPriv *priv = opaque;
862 if (priv->avctx.release_buffer)
863 priv->avctx.release_buffer(&priv->avctx, &priv->frame);
867 static void compat_release_buffer(void *opaque, uint8_t *data)
869 AVBufferRef *buf = opaque;
870 av_buffer_unref(&buf);
872 FF_ENABLE_DEPRECATION_WARNINGS
875 int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
877 return ff_init_buffer_info(avctx, frame);
880 static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
882 const AVHWAccel *hwaccel = avctx->hwaccel;
883 int override_dimensions = 1;
886 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
887 if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0 || avctx->pix_fmt<0) {
888 av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
889 return AVERROR(EINVAL);
892 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
893 if (frame->width <= 0 || frame->height <= 0) {
894 frame->width = FFMAX(avctx->width, FF_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
895 frame->height = FFMAX(avctx->height, FF_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
896 override_dimensions = 0;
899 ret = ff_decode_frame_props(avctx, frame);
904 if (hwaccel->alloc_frame) {
905 ret = hwaccel->alloc_frame(avctx, frame);
909 avctx->sw_pix_fmt = avctx->pix_fmt;
911 #if FF_API_GET_BUFFER
912 FF_DISABLE_DEPRECATION_WARNINGS
914 * Wrap an old get_buffer()-allocated buffer in a bunch of AVBuffers.
915 * We wrap each plane in its own AVBuffer. Each of those has a reference to
916 * a dummy AVBuffer as its private data, unreffing it on free.
917 * When all the planes are freed, the dummy buffer's free callback calls
920 if (avctx->get_buffer) {
921 CompatReleaseBufPriv *priv = NULL;
922 AVBufferRef *dummy_buf = NULL;
925 if (flags & AV_GET_BUFFER_FLAG_REF)
926 frame->reference = 1;
928 ret = avctx->get_buffer(avctx, frame);
932 /* return if the buffers are already set up
933 * this would happen e.g. when a custom get_buffer() calls
934 * avcodec_default_get_buffer
939 priv = av_mallocz(sizeof(*priv));
941 ret = AVERROR(ENOMEM);
944 priv->avctx = *avctx;
945 priv->frame = *frame;
947 dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
949 ret = AVERROR(ENOMEM);
953 #define WRAP_PLANE(ref_out, data, data_size) \
955 AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
957 ret = AVERROR(ENOMEM); \
960 ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
963 av_buffer_unref(&dummy_ref); \
964 av_frame_unref(frame); \
965 ret = AVERROR(ENOMEM); \
970 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
971 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
973 planes = av_pix_fmt_count_planes(frame->format);
974 /* workaround for AVHWAccel plane count of 0, buf[0] is used as
975 check for allocated buffers: make libavcodec happy */
976 if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
978 if (!desc || planes <= 0) {
979 ret = AVERROR(EINVAL);
983 for (i = 0; i < planes; i++) {
984 int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
985 int plane_size = (frame->height >> v_shift) * frame->linesize[i];
987 WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
990 int planar = av_sample_fmt_is_planar(frame->format);
991 planes = planar ? avctx->channels : 1;
993 if (planes > FF_ARRAY_ELEMS(frame->buf)) {
994 frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
995 frame->extended_buf = av_malloc_array(sizeof(*frame->extended_buf),
996 frame->nb_extended_buf);
997 if (!frame->extended_buf) {
998 ret = AVERROR(ENOMEM);
1003 for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
1004 WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
1006 for (i = 0; i < frame->nb_extended_buf; i++)
1007 WRAP_PLANE(frame->extended_buf[i],
1008 frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
1009 frame->linesize[0]);
1012 av_buffer_unref(&dummy_buf);
1015 frame->width = avctx->width;
1016 frame->height = avctx->height;
1021 avctx->release_buffer(avctx, frame);
1023 av_buffer_unref(&dummy_buf);
1026 FF_ENABLE_DEPRECATION_WARNINGS
1029 ret = avctx->get_buffer2(avctx, frame, flags);
1032 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
1033 frame->width = avctx->width;
1034 frame->height = avctx->height;
1040 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
1042 int ret = get_buffer_internal(avctx, frame, flags);
1044 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
1048 static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
1053 av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
1055 if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
1056 av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
1057 frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
1058 av_frame_unref(frame);
1061 ff_init_buffer_info(avctx, frame);
1063 if (!frame->data[0])
1064 return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1066 if (av_frame_is_writable(frame))
1067 return ff_decode_frame_props(avctx, frame);
1069 tmp = av_frame_alloc();
1071 return AVERROR(ENOMEM);
1073 av_frame_move_ref(tmp, frame);
1075 ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
1077 av_frame_free(&tmp);
1081 av_frame_copy(frame, tmp);
1082 av_frame_free(&tmp);
1087 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
1089 int ret = reget_buffer_internal(avctx, frame);
1091 av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
1095 #if FF_API_GET_BUFFER
1096 void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
1098 av_assert0(s->codec_type == AVMEDIA_TYPE_VIDEO);
1100 av_frame_unref(pic);
1103 int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
1110 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
1114 for (i = 0; i < count; i++) {
1115 int r = func(c, (char *)arg + i * size);
1122 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
1126 for (i = 0; i < count; i++) {
1127 int r = func(c, arg, i, 0);
1134 enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags,
1135 unsigned int fourcc)
1137 while (tags->pix_fmt >= 0) {
1138 if (tags->fourcc == fourcc)
1139 return tags->pix_fmt;
1142 return AV_PIX_FMT_NONE;
1145 static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
1147 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1148 return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
1151 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
1153 while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
1158 static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
1159 enum AVPixelFormat pix_fmt)
1161 AVHWAccel *hwaccel = NULL;
1163 while ((hwaccel = av_hwaccel_next(hwaccel)))
1164 if (hwaccel->id == codec_id
1165 && hwaccel->pix_fmt == pix_fmt)
1170 static int setup_hwaccel(AVCodecContext *avctx,
1171 const enum AVPixelFormat fmt,
1174 AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
1178 av_log(avctx, AV_LOG_ERROR,
1179 "Could not find an AVHWAccel for the pixel format: %s",
1181 return AVERROR(ENOENT);
1184 if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1185 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1186 av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1188 return AVERROR_PATCHWELCOME;
1191 if (hwa->priv_data_size) {
1192 avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
1193 if (!avctx->internal->hwaccel_priv_data)
1194 return AVERROR(ENOMEM);
1198 ret = hwa->init(avctx);
1200 av_freep(&avctx->internal->hwaccel_priv_data);
1205 avctx->hwaccel = hwa;
1210 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1212 const AVPixFmtDescriptor *desc;
1213 enum AVPixelFormat *choices;
1214 enum AVPixelFormat ret;
1217 while (fmt[n] != AV_PIX_FMT_NONE)
1221 avctx->sw_pix_fmt = fmt[n - 1];
1222 av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
1224 choices = av_malloc_array(n + 1, sizeof(*choices));
1226 return AV_PIX_FMT_NONE;
1228 memcpy(choices, fmt, (n + 1) * sizeof(*choices));
1231 if (avctx->hwaccel && avctx->hwaccel->uninit)
1232 avctx->hwaccel->uninit(avctx);
1233 av_freep(&avctx->internal->hwaccel_priv_data);
1234 avctx->hwaccel = NULL;
1236 ret = avctx->get_format(avctx, choices);
1238 desc = av_pix_fmt_desc_get(ret);
1240 ret = AV_PIX_FMT_NONE;
1244 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1246 if (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
1249 if (!setup_hwaccel(avctx, ret, desc->name))
1252 /* Remove failed hwaccel from choices */
1253 for (n = 0; choices[n] != ret; n++)
1254 av_assert0(choices[n] != AV_PIX_FMT_NONE);
1257 choices[n] = choices[n + 1];
1258 while (choices[n++] != AV_PIX_FMT_NONE);
1265 #if FF_API_AVFRAME_LAVC
1266 void avcodec_get_frame_defaults(AVFrame *frame)
1268 #if LIBAVCODEC_VERSION_MAJOR >= 55
1269 // extended_data should explicitly be freed when needed, this code is unsafe currently
1270 // also this is not compatible to the <55 ABI/API
1271 if (frame->extended_data != frame->data && 0)
1272 av_freep(&frame->extended_data);
1275 memset(frame, 0, sizeof(AVFrame));
1276 av_frame_unref(frame);
1279 AVFrame *avcodec_alloc_frame(void)
1281 return av_frame_alloc();
1284 void avcodec_free_frame(AVFrame **frame)
1286 av_frame_free(frame);
1290 MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
1291 MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
1292 MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
1293 MAKE_ACCESSORS(AVCodecContext, codec, int, seek_preroll)
1294 MAKE_ACCESSORS(AVCodecContext, codec, uint16_t*, chroma_intra_matrix)
1296 unsigned av_codec_get_codec_properties(const AVCodecContext *codec)
1298 return codec->properties;
1301 int av_codec_get_max_lowres(const AVCodec *codec)
1303 return codec->max_lowres;
1306 static void get_subtitle_defaults(AVSubtitle *sub)
1308 memset(sub, 0, sizeof(*sub));
1309 sub->pts = AV_NOPTS_VALUE;
1312 static int get_bit_rate(AVCodecContext *ctx)
1315 int bits_per_sample;
1317 switch (ctx->codec_type) {
1318 case AVMEDIA_TYPE_VIDEO:
1319 case AVMEDIA_TYPE_DATA:
1320 case AVMEDIA_TYPE_SUBTITLE:
1321 case AVMEDIA_TYPE_ATTACHMENT:
1322 bit_rate = ctx->bit_rate;
1324 case AVMEDIA_TYPE_AUDIO:
1325 bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
1326 bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
1335 int attribute_align_arg ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1339 ff_unlock_avcodec();
1341 ret = avcodec_open2(avctx, codec, options);
1343 ff_lock_avcodec(avctx, codec);
1347 int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1350 AVDictionary *tmp = NULL;
1352 if (avcodec_is_open(avctx))
1355 if ((!codec && !avctx->codec)) {
1356 av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n");
1357 return AVERROR(EINVAL);
1359 if ((codec && avctx->codec && codec != avctx->codec)) {
1360 av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
1361 "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name);
1362 return AVERROR(EINVAL);
1365 codec = avctx->codec;
1367 if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
1368 return AVERROR(EINVAL);
1371 av_dict_copy(&tmp, *options, 0);
1373 ret = ff_lock_avcodec(avctx, codec);
1377 avctx->internal = av_mallocz(sizeof(AVCodecInternal));
1378 if (!avctx->internal) {
1379 ret = AVERROR(ENOMEM);
1383 avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
1384 if (!avctx->internal->pool) {
1385 ret = AVERROR(ENOMEM);
1389 avctx->internal->to_free = av_frame_alloc();
1390 if (!avctx->internal->to_free) {
1391 ret = AVERROR(ENOMEM);
1395 if (codec->priv_data_size > 0) {
1396 if (!avctx->priv_data) {
1397 avctx->priv_data = av_mallocz(codec->priv_data_size);
1398 if (!avctx->priv_data) {
1399 ret = AVERROR(ENOMEM);
1402 if (codec->priv_class) {
1403 *(const AVClass **)avctx->priv_data = codec->priv_class;
1404 av_opt_set_defaults(avctx->priv_data);
1407 if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
1410 avctx->priv_data = NULL;
1412 if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
1415 if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
1416 av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist\n", codec->name);
1417 ret = AVERROR(EINVAL);
1421 // only call ff_set_dimensions() for non H.264/VP6F codecs so as not to overwrite previously setup dimensions
1422 if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height &&
1423 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F))) {
1424 if (avctx->coded_width && avctx->coded_height)
1425 ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
1426 else if (avctx->width && avctx->height)
1427 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
1432 if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
1433 && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
1434 || av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
1435 av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
1436 ff_set_dimensions(avctx, 0, 0);
1439 if (avctx->width > 0 && avctx->height > 0) {
1440 if (av_image_check_sar(avctx->width, avctx->height,
1441 avctx->sample_aspect_ratio) < 0) {
1442 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1443 avctx->sample_aspect_ratio.num,
1444 avctx->sample_aspect_ratio.den);
1445 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
1449 /* if the decoder init function was already called previously,
1450 * free the already allocated subtitle_header before overwriting it */
1451 if (av_codec_is_decoder(codec))
1452 av_freep(&avctx->subtitle_header);
1454 if (avctx->channels > FF_SANE_NB_CHANNELS) {
1455 ret = AVERROR(EINVAL);
1459 avctx->codec = codec;
1460 if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
1461 avctx->codec_id == AV_CODEC_ID_NONE) {
1462 avctx->codec_type = codec->type;
1463 avctx->codec_id = codec->id;
1465 if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
1466 && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
1467 av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n");
1468 ret = AVERROR(EINVAL);
1471 avctx->frame_number = 0;
1472 avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
1474 if (avctx->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1475 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1476 const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder";
1478 av_log(avctx, AV_LOG_ERROR,
1479 "The %s '%s' is experimental but experimental codecs are not enabled, "
1480 "add '-strict %d' if you want to use it.\n",
1481 codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL);
1482 codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
1483 if (!(codec2->capabilities & CODEC_CAP_EXPERIMENTAL))
1484 av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n",
1485 codec_string, codec2->name);
1486 ret = AVERROR_EXPERIMENTAL;
1490 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
1491 (!avctx->time_base.num || !avctx->time_base.den)) {
1492 avctx->time_base.num = 1;
1493 avctx->time_base.den = avctx->sample_rate;
1497 av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n");
1499 if (CONFIG_FRAME_THREAD_ENCODER) {
1500 ff_unlock_avcodec(); //we will instanciate a few encoders thus kick the counter to prevent false detection of a problem
1501 ret = ff_frame_thread_encoder_init(avctx, options ? *options : NULL);
1502 ff_lock_avcodec(avctx, codec);
1508 && !(avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))) {
1509 ret = ff_thread_init(avctx);
1514 if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
1515 avctx->thread_count = 1;
1517 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1518 av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
1519 avctx->codec->max_lowres);
1520 ret = AVERROR(EINVAL);
1525 if (avctx->debug_mv)
1526 av_log(avctx, AV_LOG_WARNING, "The 'vismv' option is deprecated, "
1527 "see the codecview filter instead.\n");
1530 if (av_codec_is_encoder(avctx->codec)) {
1532 avctx->coded_frame = av_frame_alloc();
1533 if (!avctx->coded_frame) {
1534 ret = AVERROR(ENOMEM);
1537 if (avctx->codec->sample_fmts) {
1538 for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
1539 if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
1541 if (avctx->channels == 1 &&
1542 av_get_planar_sample_fmt(avctx->sample_fmt) ==
1543 av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
1544 avctx->sample_fmt = avctx->codec->sample_fmts[i];
1548 if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
1550 snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
1551 av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
1552 (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
1553 ret = AVERROR(EINVAL);
1557 if (avctx->codec->pix_fmts) {
1558 for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
1559 if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
1561 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE
1562 && !((avctx->codec_id == AV_CODEC_ID_MJPEG || avctx->codec_id == AV_CODEC_ID_LJPEG)
1563 && avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
1565 snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
1566 av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
1567 (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
1568 ret = AVERROR(EINVAL);
1571 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
1572 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
1573 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
1574 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
1575 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
1576 avctx->color_range = AVCOL_RANGE_JPEG;
1578 if (avctx->codec->supported_samplerates) {
1579 for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
1580 if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
1582 if (avctx->codec->supported_samplerates[i] == 0) {
1583 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1584 avctx->sample_rate);
1585 ret = AVERROR(EINVAL);
1589 if (avctx->sample_rate < 0) {
1590 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1591 avctx->sample_rate);
1592 ret = AVERROR(EINVAL);
1595 if (avctx->codec->channel_layouts) {
1596 if (!avctx->channel_layout) {
1597 av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
1599 for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
1600 if (avctx->channel_layout == avctx->codec->channel_layouts[i])
1602 if (avctx->codec->channel_layouts[i] == 0) {
1604 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1605 av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
1606 ret = AVERROR(EINVAL);
1611 if (avctx->channel_layout && avctx->channels) {
1612 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1613 if (channels != avctx->channels) {
1615 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1616 av_log(avctx, AV_LOG_ERROR,
1617 "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
1618 buf, channels, avctx->channels);
1619 ret = AVERROR(EINVAL);
1622 } else if (avctx->channel_layout) {
1623 avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1625 if (avctx->channels < 0) {
1626 av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
1628 ret = AVERROR(EINVAL);
1631 if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1632 if (avctx->width <= 0 || avctx->height <= 0) {
1633 av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
1634 ret = AVERROR(EINVAL);
1638 if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
1639 && avctx->bit_rate>0 && avctx->bit_rate<1000) {
1640 av_log(avctx, AV_LOG_WARNING, "Bitrate %d is extremely low, maybe you mean %dk\n", avctx->bit_rate, avctx->bit_rate);
1643 if (!avctx->rc_initial_buffer_occupancy)
1644 avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
1647 avctx->pts_correction_num_faulty_pts =
1648 avctx->pts_correction_num_faulty_dts = 0;
1649 avctx->pts_correction_last_pts =
1650 avctx->pts_correction_last_dts = INT64_MIN;
1652 if ( !CONFIG_GRAY && avctx->flags & CODEC_FLAG_GRAY
1653 && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
1654 av_log(avctx, AV_LOG_WARNING,
1655 "gray decoding requested but not enabled at configuration time\n");
1657 if ( avctx->codec->init && (!(avctx->active_thread_type&FF_THREAD_FRAME)
1658 || avctx->internal->frame_thread_encoder)) {
1659 ret = avctx->codec->init(avctx);
1667 #if FF_API_AUDIOENC_DELAY
1668 if (av_codec_is_encoder(avctx->codec))
1669 avctx->delay = avctx->initial_padding;
1672 if (av_codec_is_decoder(avctx->codec)) {
1673 if (!avctx->bit_rate)
1674 avctx->bit_rate = get_bit_rate(avctx);
1675 /* validate channel layout from the decoder */
1676 if (avctx->channel_layout) {
1677 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1678 if (!avctx->channels)
1679 avctx->channels = channels;
1680 else if (channels != avctx->channels) {
1682 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1683 av_log(avctx, AV_LOG_WARNING,
1684 "Channel layout '%s' with %d channels does not match specified number of channels %d: "
1685 "ignoring specified channel layout\n",
1686 buf, channels, avctx->channels);
1687 avctx->channel_layout = 0;
1690 if (avctx->channels && avctx->channels < 0 ||
1691 avctx->channels > FF_SANE_NB_CHANNELS) {
1692 ret = AVERROR(EINVAL);
1695 if (avctx->sub_charenc) {
1696 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1697 av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1698 "supported with subtitles codecs\n");
1699 ret = AVERROR(EINVAL);
1701 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1702 av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1703 "subtitles character encoding will be ignored\n",
1704 avctx->codec_descriptor->name);
1705 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1707 /* input character encoding is set for a text based subtitle
1708 * codec at this point */
1709 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1710 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1712 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1714 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1715 if (cd == (iconv_t)-1) {
1716 ret = AVERROR(errno);
1717 av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1718 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1723 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1724 "conversion needs a libavcodec built with iconv support "
1725 "for this codec\n");
1726 ret = AVERROR(ENOSYS);
1733 #if FF_API_AVCTX_TIMEBASE
1734 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1735 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
1738 if (codec->priv_data_size > 0 && avctx->priv_data && codec->priv_class) {
1739 av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);
1743 ff_unlock_avcodec();
1745 av_dict_free(options);
1752 (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
1753 avctx->codec->close(avctx);
1755 if (codec->priv_class && codec->priv_data_size)
1756 av_opt_free(avctx->priv_data);
1759 av_frame_free(&avctx->coded_frame);
1762 av_freep(&avctx->priv_data);
1763 if (avctx->internal) {
1764 av_frame_free(&avctx->internal->to_free);
1765 av_freep(&avctx->internal->pool);
1767 av_freep(&avctx->internal);
1768 avctx->codec = NULL;
1772 int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
1774 if (avpkt->size < 0) {
1775 av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
1776 return AVERROR(EINVAL);
1778 if (size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
1779 av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
1780 size, INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE);
1781 return AVERROR(EINVAL);
1785 av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
1786 if (!avpkt->data || avpkt->size < size) {
1787 av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
1788 avpkt->data = avctx->internal->byte_buffer;
1789 avpkt->size = avctx->internal->byte_buffer_size;
1790 #if FF_API_DESTRUCT_PACKET
1791 FF_DISABLE_DEPRECATION_WARNINGS
1792 avpkt->destruct = NULL;
1793 FF_ENABLE_DEPRECATION_WARNINGS
1799 AVBufferRef *buf = avpkt->buf;
1800 #if FF_API_DESTRUCT_PACKET
1801 FF_DISABLE_DEPRECATION_WARNINGS
1802 void *destruct = avpkt->destruct;
1803 FF_ENABLE_DEPRECATION_WARNINGS
1806 if (avpkt->size < size) {
1807 av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
1808 return AVERROR(EINVAL);
1811 av_init_packet(avpkt);
1812 #if FF_API_DESTRUCT_PACKET
1813 FF_DISABLE_DEPRECATION_WARNINGS
1814 avpkt->destruct = destruct;
1815 FF_ENABLE_DEPRECATION_WARNINGS
1821 int ret = av_new_packet(avpkt, size);
1823 av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
1828 int ff_alloc_packet(AVPacket *avpkt, int size)
1830 return ff_alloc_packet2(NULL, avpkt, size);
1834 * Pad last frame with silence.
1836 static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
1838 AVFrame *frame = NULL;
1841 if (!(frame = av_frame_alloc()))
1842 return AVERROR(ENOMEM);
1844 frame->format = src->format;
1845 frame->channel_layout = src->channel_layout;
1846 av_frame_set_channels(frame, av_frame_get_channels(src));
1847 frame->nb_samples = s->frame_size;
1848 ret = av_frame_get_buffer(frame, 32);
1852 ret = av_frame_copy_props(frame, src);
1856 if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
1857 src->nb_samples, s->channels, s->sample_fmt)) < 0)
1859 if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
1860 frame->nb_samples - src->nb_samples,
1861 s->channels, s->sample_fmt)) < 0)
1869 av_frame_free(&frame);
1873 int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
1875 const AVFrame *frame,
1876 int *got_packet_ptr)
1878 AVFrame *extended_frame = NULL;
1879 AVFrame *padded_frame = NULL;
1881 AVPacket user_pkt = *avpkt;
1882 int needs_realloc = !user_pkt.data;
1884 *got_packet_ptr = 0;
1886 if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
1887 av_free_packet(avpkt);
1888 av_init_packet(avpkt);
1892 /* ensure that extended_data is properly set */
1893 if (frame && !frame->extended_data) {
1894 if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
1895 avctx->channels > AV_NUM_DATA_POINTERS) {
1896 av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
1897 "with more than %d channels, but extended_data is not set.\n",
1898 AV_NUM_DATA_POINTERS);
1899 return AVERROR(EINVAL);
1901 av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
1903 extended_frame = av_frame_alloc();
1904 if (!extended_frame)
1905 return AVERROR(ENOMEM);
1907 memcpy(extended_frame, frame, sizeof(AVFrame));
1908 extended_frame->extended_data = extended_frame->data;
1909 frame = extended_frame;
1912 /* extract audio service type metadata */
1914 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
1915 if (sd && sd->size >= sizeof(enum AVAudioServiceType))
1916 avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
1919 /* check for valid frame size */
1921 if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1922 if (frame->nb_samples > avctx->frame_size) {
1923 av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
1924 ret = AVERROR(EINVAL);
1927 } else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1928 if (frame->nb_samples < avctx->frame_size &&
1929 !avctx->internal->last_audio_frame) {
1930 ret = pad_last_frame(avctx, &padded_frame, frame);
1934 frame = padded_frame;
1935 avctx->internal->last_audio_frame = 1;
1938 if (frame->nb_samples != avctx->frame_size) {
1939 av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
1940 ret = AVERROR(EINVAL);
1946 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1948 if (*got_packet_ptr) {
1949 if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
1950 if (avpkt->pts == AV_NOPTS_VALUE)
1951 avpkt->pts = frame->pts;
1952 if (!avpkt->duration)
1953 avpkt->duration = ff_samples_to_time_base(avctx,
1956 avpkt->dts = avpkt->pts;
1961 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1963 if (user_pkt.data) {
1964 if (user_pkt.size >= avpkt->size) {
1965 memcpy(user_pkt.data, avpkt->data, avpkt->size);
1967 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
1968 avpkt->size = user_pkt.size;
1971 avpkt->buf = user_pkt.buf;
1972 avpkt->data = user_pkt.data;
1973 #if FF_API_DESTRUCT_PACKET
1974 FF_DISABLE_DEPRECATION_WARNINGS
1975 avpkt->destruct = user_pkt.destruct;
1976 FF_ENABLE_DEPRECATION_WARNINGS
1979 if (av_dup_packet(avpkt) < 0) {
1980 ret = AVERROR(ENOMEM);
1986 if (needs_realloc && avpkt->data) {
1987 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
1989 avpkt->data = avpkt->buf->data;
1992 avctx->frame_number++;
1995 if (ret < 0 || !*got_packet_ptr) {
1996 av_free_packet(avpkt);
1997 av_init_packet(avpkt);
2001 /* NOTE: if we add any audio encoders which output non-keyframe packets,
2002 * this needs to be moved to the encoders, but for now we can do it
2003 * here to simplify things */
2004 avpkt->flags |= AV_PKT_FLAG_KEY;
2007 av_frame_free(&padded_frame);
2008 av_free(extended_frame);
2010 #if FF_API_AUDIOENC_DELAY
2011 avctx->delay = avctx->initial_padding;
2017 #if FF_API_OLD_ENCODE_AUDIO
2018 int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx,
2019 uint8_t *buf, int buf_size,
2020 const short *samples)
2024 int ret, samples_size, got_packet;
2026 av_init_packet(&pkt);
2028 pkt.size = buf_size;
2031 frame = av_frame_alloc();
2033 return AVERROR(ENOMEM);
2035 if (avctx->frame_size) {
2036 frame->nb_samples = avctx->frame_size;
2038 /* if frame_size is not set, the number of samples must be
2039 * calculated from the buffer size */
2041 if (!av_get_bits_per_sample(avctx->codec_id)) {
2042 av_log(avctx, AV_LOG_ERROR, "avcodec_encode_audio() does not "
2043 "support this codec\n");
2044 av_frame_free(&frame);
2045 return AVERROR(EINVAL);
2047 nb_samples = (int64_t)buf_size * 8 /
2048 (av_get_bits_per_sample(avctx->codec_id) *
2050 if (nb_samples >= INT_MAX) {
2051 av_frame_free(&frame);
2052 return AVERROR(EINVAL);
2054 frame->nb_samples = nb_samples;
2057 /* it is assumed that the samples buffer is large enough based on the
2058 * relevant parameters */
2059 samples_size = av_samples_get_buffer_size(NULL, avctx->channels,
2061 avctx->sample_fmt, 1);
2062 if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
2064 (const uint8_t *)samples,
2065 samples_size, 1)) < 0) {
2066 av_frame_free(&frame);
2070 /* fabricate frame pts from sample count.
2071 * this is needed because the avcodec_encode_audio() API does not have
2072 * a way for the user to provide pts */
2073 if (avctx->sample_rate && avctx->time_base.num)
2074 frame->pts = ff_samples_to_time_base(avctx,
2075 avctx->internal->sample_count);
2077 frame->pts = AV_NOPTS_VALUE;
2078 avctx->internal->sample_count += frame->nb_samples;
2084 ret = avcodec_encode_audio2(avctx, &pkt, frame, &got_packet);
2085 if (!ret && got_packet && avctx->coded_frame) {
2086 avctx->coded_frame->pts = pkt.pts;
2087 avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
2089 /* free any side data since we cannot return it */
2090 av_packet_free_side_data(&pkt);
2092 if (frame && frame->extended_data != frame->data)
2093 av_freep(&frame->extended_data);
2095 av_frame_free(&frame);
2096 return ret ? ret : pkt.size;
2101 #if FF_API_OLD_ENCODE_VIDEO
2102 int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2103 const AVFrame *pict)
2106 int ret, got_packet = 0;
2108 if (buf_size < FF_MIN_BUFFER_SIZE) {
2109 av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
2113 av_init_packet(&pkt);
2115 pkt.size = buf_size;
2117 ret = avcodec_encode_video2(avctx, &pkt, pict, &got_packet);
2118 if (!ret && got_packet && avctx->coded_frame) {
2119 avctx->coded_frame->pts = pkt.pts;
2120 avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
2123 /* free any side data since we cannot return it */
2124 if (pkt.side_data_elems > 0) {
2126 for (i = 0; i < pkt.side_data_elems; i++)
2127 av_free(pkt.side_data[i].data);
2128 av_freep(&pkt.side_data);
2129 pkt.side_data_elems = 0;
2132 return ret ? ret : pkt.size;
2137 int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
2139 const AVFrame *frame,
2140 int *got_packet_ptr)
2143 AVPacket user_pkt = *avpkt;
2144 int needs_realloc = !user_pkt.data;
2146 *got_packet_ptr = 0;
2148 if(CONFIG_FRAME_THREAD_ENCODER &&
2149 avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
2150 return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
2152 if ((avctx->flags&CODEC_FLAG_PASS1) && avctx->stats_out)
2153 avctx->stats_out[0] = '\0';
2155 if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
2156 av_free_packet(avpkt);
2157 av_init_packet(avpkt);
2162 if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
2163 return AVERROR(EINVAL);
2165 if (frame && frame->format == AV_PIX_FMT_NONE)
2166 av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
2167 if (frame && (frame->width == 0 || frame->height == 0))
2168 av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
2170 av_assert0(avctx->codec->encode2);
2172 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
2173 av_assert0(ret <= 0);
2175 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
2177 if (user_pkt.data) {
2178 if (user_pkt.size >= avpkt->size) {
2179 memcpy(user_pkt.data, avpkt->data, avpkt->size);
2181 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
2182 avpkt->size = user_pkt.size;
2185 avpkt->buf = user_pkt.buf;
2186 avpkt->data = user_pkt.data;
2187 #if FF_API_DESTRUCT_PACKET
2188 FF_DISABLE_DEPRECATION_WARNINGS
2189 avpkt->destruct = user_pkt.destruct;
2190 FF_ENABLE_DEPRECATION_WARNINGS
2193 if (av_dup_packet(avpkt) < 0) {
2194 ret = AVERROR(ENOMEM);
2200 if (!*got_packet_ptr)
2202 else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
2203 avpkt->pts = avpkt->dts = frame->pts;
2205 if (needs_realloc && avpkt->data) {
2206 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
2208 avpkt->data = avpkt->buf->data;
2211 avctx->frame_number++;
2214 if (ret < 0 || !*got_packet_ptr)
2215 av_free_packet(avpkt);
2221 int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2222 const AVSubtitle *sub)
2225 if (sub->start_display_time) {
2226 av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
2230 ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
2231 avctx->frame_number++;
2236 * Attempt to guess proper monotonic timestamps for decoded video frames
2237 * which might have incorrect times. Input timestamps may wrap around, in
2238 * which case the output will as well.
2240 * @param pts the pts field of the decoded AVPacket, as passed through
2242 * @param dts the dts field of the decoded AVPacket
2243 * @return one of the input values, may be AV_NOPTS_VALUE
2245 static int64_t guess_correct_pts(AVCodecContext *ctx,
2246 int64_t reordered_pts, int64_t dts)
2248 int64_t pts = AV_NOPTS_VALUE;
2250 if (dts != AV_NOPTS_VALUE) {
2251 ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
2252 ctx->pts_correction_last_dts = dts;
2253 } else if (reordered_pts != AV_NOPTS_VALUE)
2254 ctx->pts_correction_last_dts = reordered_pts;
2256 if (reordered_pts != AV_NOPTS_VALUE) {
2257 ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
2258 ctx->pts_correction_last_pts = reordered_pts;
2259 } else if(dts != AV_NOPTS_VALUE)
2260 ctx->pts_correction_last_pts = dts;
2262 if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
2263 && reordered_pts != AV_NOPTS_VALUE)
2264 pts = reordered_pts;
2271 static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
2274 const uint8_t *data;
2278 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
2282 if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE)) {
2283 av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
2284 "changes, but PARAM_CHANGE side data was sent to it.\n");
2285 return AVERROR(EINVAL);
2291 flags = bytestream_get_le32(&data);
2294 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
2297 val = bytestream_get_le32(&data);
2298 if (val <= 0 || val > INT_MAX) {
2299 av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
2300 return AVERROR_INVALIDDATA;
2302 avctx->channels = val;
2305 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
2308 avctx->channel_layout = bytestream_get_le64(&data);
2311 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
2314 val = bytestream_get_le32(&data);
2315 if (val <= 0 || val > INT_MAX) {
2316 av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
2317 return AVERROR_INVALIDDATA;
2319 avctx->sample_rate = val;
2322 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
2325 avctx->width = bytestream_get_le32(&data);
2326 avctx->height = bytestream_get_le32(&data);
2328 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
2335 av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
2336 return AVERROR_INVALIDDATA;
2339 static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
2343 /* move the original frame to our backup */
2344 av_frame_unref(avci->to_free);
2345 av_frame_move_ref(avci->to_free, frame);
2347 /* now copy everything except the AVBufferRefs back
2348 * note that we make a COPY of the side data, so calling av_frame_free() on
2349 * the caller's frame will work properly */
2350 ret = av_frame_copy_props(frame, avci->to_free);
2354 memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
2355 memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
2356 if (avci->to_free->extended_data != avci->to_free->data) {
2357 int planes = av_frame_get_channels(avci->to_free);
2358 int size = planes * sizeof(*frame->extended_data);
2361 av_frame_unref(frame);
2365 frame->extended_data = av_malloc(size);
2366 if (!frame->extended_data) {
2367 av_frame_unref(frame);
2368 return AVERROR(ENOMEM);
2370 memcpy(frame->extended_data, avci->to_free->extended_data,
2373 frame->extended_data = frame->data;
2375 frame->format = avci->to_free->format;
2376 frame->width = avci->to_free->width;
2377 frame->height = avci->to_free->height;
2378 frame->channel_layout = avci->to_free->channel_layout;
2379 frame->nb_samples = avci->to_free->nb_samples;
2380 av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
2385 int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
2386 int *got_picture_ptr,
2387 const AVPacket *avpkt)
2389 AVCodecInternal *avci = avctx->internal;
2391 // copy to ensure we do not change avpkt
2392 AVPacket tmp = *avpkt;
2395 return AVERROR(EINVAL);
2396 if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
2397 av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
2398 return AVERROR(EINVAL);
2401 *got_picture_ptr = 0;
2402 if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
2403 return AVERROR(EINVAL);
2405 av_frame_unref(picture);
2407 if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
2408 int did_split = av_packet_split_side_data(&tmp);
2409 ret = apply_param_change(avctx, &tmp);
2411 av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
2412 if (avctx->err_recognition & AV_EF_EXPLODE)
2416 avctx->internal->pkt = &tmp;
2417 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2418 ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
2421 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
2423 picture->pkt_dts = avpkt->dts;
2425 if(!avctx->has_b_frames){
2426 av_frame_set_pkt_pos(picture, avpkt->pos);
2428 //FIXME these should be under if(!avctx->has_b_frames)
2429 /* get_buffer is supposed to set frame parameters */
2430 if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
2431 if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
2432 if (!picture->width) picture->width = avctx->width;
2433 if (!picture->height) picture->height = avctx->height;
2434 if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
2439 emms_c(); //needed to avoid an emms_c() call before every return;
2441 avctx->internal->pkt = NULL;
2443 av_packet_free_side_data(&tmp);
2448 if (*got_picture_ptr) {
2449 if (!avctx->refcounted_frames) {
2450 int err = unrefcount_frame(avci, picture);
2455 avctx->frame_number++;
2456 av_frame_set_best_effort_timestamp(picture,
2457 guess_correct_pts(avctx,
2461 av_frame_unref(picture);
2465 /* many decoders assign whole AVFrames, thus overwriting extended_data;
2466 * make sure it's set correctly */
2467 av_assert0(!picture->extended_data || picture->extended_data == picture->data);
2469 #if FF_API_AVCTX_TIMEBASE
2470 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
2471 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
2477 #if FF_API_OLD_DECODE_AUDIO
2478 int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
2479 int *frame_size_ptr,
2482 AVFrame *frame = av_frame_alloc();
2483 int ret, got_frame = 0;
2486 return AVERROR(ENOMEM);
2487 if (avctx->get_buffer != avcodec_default_get_buffer) {
2488 av_log(avctx, AV_LOG_ERROR, "Custom get_buffer() for use with"
2489 "avcodec_decode_audio3() detected. Overriding with avcodec_default_get_buffer\n");
2490 av_log(avctx, AV_LOG_ERROR, "Please port your application to "
2491 "avcodec_decode_audio4()\n");
2492 avctx->get_buffer = avcodec_default_get_buffer;
2493 avctx->release_buffer = avcodec_default_release_buffer;
2496 ret = avcodec_decode_audio4(avctx, frame, &got_frame, avpkt);
2498 if (ret >= 0 && got_frame) {
2500 int planar = av_sample_fmt_is_planar(avctx->sample_fmt);
2501 int data_size = av_samples_get_buffer_size(&plane_size, avctx->channels,
2503 avctx->sample_fmt, 1);
2504 if (*frame_size_ptr < data_size) {
2505 av_log(avctx, AV_LOG_ERROR, "output buffer size is too small for "
2506 "the current frame (%d < %d)\n", *frame_size_ptr, data_size);
2507 av_frame_free(&frame);
2508 return AVERROR(EINVAL);
2511 memcpy(samples, frame->extended_data[0], plane_size);
2513 if (planar && avctx->channels > 1) {
2514 uint8_t *out = ((uint8_t *)samples) + plane_size;
2515 for (ch = 1; ch < avctx->channels; ch++) {
2516 memcpy(out, frame->extended_data[ch], plane_size);
2520 *frame_size_ptr = data_size;
2522 *frame_size_ptr = 0;
2524 av_frame_free(&frame);
2530 int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
2533 const AVPacket *avpkt)
2535 AVCodecInternal *avci = avctx->internal;
2540 if (!avpkt->data && avpkt->size) {
2541 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2542 return AVERROR(EINVAL);
2545 return AVERROR(EINVAL);
2546 if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
2547 av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
2548 return AVERROR(EINVAL);
2551 av_frame_unref(frame);
2553 if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
2556 uint32_t discard_padding = 0;
2557 uint8_t skip_reason = 0;
2558 uint8_t discard_reason = 0;
2559 // copy to ensure we do not change avpkt
2560 AVPacket tmp = *avpkt;
2561 int did_split = av_packet_split_side_data(&tmp);
2562 ret = apply_param_change(avctx, &tmp);
2564 av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
2565 if (avctx->err_recognition & AV_EF_EXPLODE)
2569 avctx->internal->pkt = &tmp;
2570 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2571 ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
2573 ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
2574 av_assert0(ret <= tmp.size);
2575 frame->pkt_dts = avpkt->dts;
2577 if (ret >= 0 && *got_frame_ptr) {
2578 avctx->frame_number++;
2579 av_frame_set_best_effort_timestamp(frame,
2580 guess_correct_pts(avctx,
2583 if (frame->format == AV_SAMPLE_FMT_NONE)
2584 frame->format = avctx->sample_fmt;
2585 if (!frame->channel_layout)
2586 frame->channel_layout = avctx->channel_layout;
2587 if (!av_frame_get_channels(frame))
2588 av_frame_set_channels(frame, avctx->channels);
2589 if (!frame->sample_rate)
2590 frame->sample_rate = avctx->sample_rate;
2593 side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
2594 if(side && side_size>=10) {
2595 avctx->internal->skip_samples = AV_RL32(side);
2596 discard_padding = AV_RL32(side + 4);
2597 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
2598 avctx->internal->skip_samples, (int)discard_padding);
2599 skip_reason = AV_RL8(side + 8);
2600 discard_reason = AV_RL8(side + 9);
2602 if (avctx->internal->skip_samples && *got_frame_ptr &&
2603 !(avctx->flags2 & CODEC_FLAG2_SKIP_MANUAL)) {
2604 if(frame->nb_samples <= avctx->internal->skip_samples){
2606 avctx->internal->skip_samples -= frame->nb_samples;
2607 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
2608 avctx->internal->skip_samples);
2610 av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
2611 frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
2612 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2613 int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
2614 (AVRational){1, avctx->sample_rate},
2615 avctx->pkt_timebase);
2616 if(frame->pkt_pts!=AV_NOPTS_VALUE)
2617 frame->pkt_pts += diff_ts;
2618 if(frame->pkt_dts!=AV_NOPTS_VALUE)
2619 frame->pkt_dts += diff_ts;
2620 if (av_frame_get_pkt_duration(frame) >= diff_ts)
2621 av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
2623 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
2625 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
2626 avctx->internal->skip_samples, frame->nb_samples);
2627 frame->nb_samples -= avctx->internal->skip_samples;
2628 avctx->internal->skip_samples = 0;
2632 if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
2633 !(avctx->flags2 & CODEC_FLAG2_SKIP_MANUAL)) {
2634 if (discard_padding == frame->nb_samples) {
2637 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2638 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
2639 (AVRational){1, avctx->sample_rate},
2640 avctx->pkt_timebase);
2641 if (av_frame_get_pkt_duration(frame) >= diff_ts)
2642 av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
2644 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
2646 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
2647 (int)discard_padding, frame->nb_samples);
2648 frame->nb_samples -= discard_padding;
2652 if ((avctx->flags2 & CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
2653 AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
2655 AV_WL32(fside->data, avctx->internal->skip_samples);
2656 AV_WL32(fside->data + 4, discard_padding);
2657 AV_WL8(fside->data + 8, skip_reason);
2658 AV_WL8(fside->data + 9, discard_reason);
2659 avctx->internal->skip_samples = 0;
2663 avctx->internal->pkt = NULL;
2665 av_packet_free_side_data(&tmp);
2670 if (ret >= 0 && *got_frame_ptr) {
2671 if (!avctx->refcounted_frames) {
2672 int err = unrefcount_frame(avci, frame);
2677 av_frame_unref(frame);
2683 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
2684 static int recode_subtitle(AVCodecContext *avctx,
2685 AVPacket *outpkt, const AVPacket *inpkt)
2688 iconv_t cd = (iconv_t)-1;
2695 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
2699 cd = iconv_open("UTF-8", avctx->sub_charenc);
2700 av_assert0(cd != (iconv_t)-1);
2705 if (inl >= INT_MAX / UTF8_MAX_BYTES - FF_INPUT_BUFFER_PADDING_SIZE) {
2706 av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
2707 ret = AVERROR(ENOMEM);
2711 ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
2714 outpkt->buf = tmp.buf;
2715 outpkt->data = tmp.data;
2716 outpkt->size = tmp.size;
2717 outb = outpkt->data;
2718 outl = outpkt->size;
2720 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
2721 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
2722 outl >= outpkt->size || inl != 0) {
2723 ret = FFMIN(AVERROR(errno), -1);
2724 av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
2725 "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
2726 av_free_packet(&tmp);
2729 outpkt->size -= outl;
2730 memset(outpkt->data + outpkt->size, 0, outl);
2733 if (cd != (iconv_t)-1)
2737 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
2738 return AVERROR(EINVAL);
2742 static int utf8_check(const uint8_t *str)
2744 const uint8_t *byte;
2745 uint32_t codepoint, min;
2749 GET_UTF8(codepoint, *(byte++), return 0;);
2750 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
2751 1 << (5 * (byte - str) - 4);
2752 if (codepoint < min || codepoint >= 0x110000 ||
2753 codepoint == 0xFFFE /* BOM */ ||
2754 codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
2761 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
2767 if (!avpkt->data && avpkt->size) {
2768 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2769 return AVERROR(EINVAL);
2772 return AVERROR(EINVAL);
2773 if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
2774 av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
2775 return AVERROR(EINVAL);
2779 get_subtitle_defaults(sub);
2781 if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
2782 AVPacket pkt_recoded;
2783 AVPacket tmp = *avpkt;
2784 int did_split = av_packet_split_side_data(&tmp);
2785 //apply_param_change(avctx, &tmp);
2788 /* FFMIN() prevents overflow in case the packet wasn't allocated with
2790 * If the side data is smaller than the buffer padding size, the
2791 * remaining bytes should have already been filled with zeros by the
2792 * original packet allocation anyway. */
2793 memset(tmp.data + tmp.size, 0,
2794 FFMIN(avpkt->size - tmp.size, FF_INPUT_BUFFER_PADDING_SIZE));
2798 ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
2802 avctx->internal->pkt = &pkt_recoded;
2804 if (avctx->pkt_timebase.den && avpkt->pts != AV_NOPTS_VALUE)
2805 sub->pts = av_rescale_q(avpkt->pts,
2806 avctx->pkt_timebase, AV_TIME_BASE_Q);
2807 ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
2808 av_assert1((ret >= 0) >= !!*got_sub_ptr &&
2809 !!*got_sub_ptr >= !!sub->num_rects);
2811 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
2812 avctx->pkt_timebase.num) {
2813 AVRational ms = { 1, 1000 };
2814 sub->end_display_time = av_rescale_q(avpkt->duration,
2815 avctx->pkt_timebase, ms);
2818 for (i = 0; i < sub->num_rects; i++) {
2819 if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
2820 av_log(avctx, AV_LOG_ERROR,
2821 "Invalid UTF-8 in decoded subtitles text; "
2822 "maybe missing -sub_charenc option\n");
2823 avsubtitle_free(sub);
2824 return AVERROR_INVALIDDATA;
2828 if (tmp.data != pkt_recoded.data) { // did we recode?
2829 /* prevent from destroying side data from original packet */
2830 pkt_recoded.side_data = NULL;
2831 pkt_recoded.side_data_elems = 0;
2833 av_free_packet(&pkt_recoded);
2835 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
2837 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
2839 avctx->internal->pkt = NULL;
2843 av_packet_free_side_data(&tmp);
2849 avctx->frame_number++;
2855 void avsubtitle_free(AVSubtitle *sub)
2859 for (i = 0; i < sub->num_rects; i++) {
2860 av_freep(&sub->rects[i]->pict.data[0]);
2861 av_freep(&sub->rects[i]->pict.data[1]);
2862 av_freep(&sub->rects[i]->pict.data[2]);
2863 av_freep(&sub->rects[i]->pict.data[3]);
2864 av_freep(&sub->rects[i]->text);
2865 av_freep(&sub->rects[i]->ass);
2866 av_freep(&sub->rects[i]);
2869 av_freep(&sub->rects);
2871 memset(sub, 0, sizeof(AVSubtitle));
2874 av_cold int avcodec_close(AVCodecContext *avctx)
2879 if (avcodec_is_open(avctx)) {
2880 FramePool *pool = avctx->internal->pool;
2882 if (CONFIG_FRAME_THREAD_ENCODER &&
2883 avctx->internal->frame_thread_encoder && avctx->thread_count > 1) {
2884 ff_frame_thread_encoder_free(avctx);
2886 if (HAVE_THREADS && avctx->internal->thread_ctx)
2887 ff_thread_free(avctx);
2888 if (avctx->codec && avctx->codec->close)
2889 avctx->codec->close(avctx);
2890 avctx->internal->byte_buffer_size = 0;
2891 av_freep(&avctx->internal->byte_buffer);
2892 av_frame_free(&avctx->internal->to_free);
2893 for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
2894 av_buffer_pool_uninit(&pool->pools[i]);
2895 av_freep(&avctx->internal->pool);
2897 if (avctx->hwaccel && avctx->hwaccel->uninit)
2898 avctx->hwaccel->uninit(avctx);
2899 av_freep(&avctx->internal->hwaccel_priv_data);
2901 av_freep(&avctx->internal);
2904 if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
2905 av_opt_free(avctx->priv_data);
2907 av_freep(&avctx->priv_data);
2908 if (av_codec_is_encoder(avctx->codec)) {
2909 av_freep(&avctx->extradata);
2910 av_frame_free(&avctx->coded_frame);
2912 avctx->codec = NULL;
2913 avctx->active_thread_type = 0;
2918 static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
2921 //This is for future deprecatec codec ids, its empty since
2922 //last major bump but will fill up again over time, please don't remove it
2923 // case AV_CODEC_ID_UTVIDEO_DEPRECATED: return AV_CODEC_ID_UTVIDEO;
2924 case AV_CODEC_ID_BRENDER_PIX_DEPRECATED : return AV_CODEC_ID_BRENDER_PIX;
2925 case AV_CODEC_ID_OPUS_DEPRECATED : return AV_CODEC_ID_OPUS;
2926 case AV_CODEC_ID_TAK_DEPRECATED : return AV_CODEC_ID_TAK;
2927 case AV_CODEC_ID_PAF_AUDIO_DEPRECATED : return AV_CODEC_ID_PAF_AUDIO;
2928 case AV_CODEC_ID_PCM_S16BE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S16BE_PLANAR;
2929 case AV_CODEC_ID_PCM_S24LE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S24LE_PLANAR;
2930 case AV_CODEC_ID_PCM_S32LE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S32LE_PLANAR;
2931 case AV_CODEC_ID_ADPCM_VIMA_DEPRECATED : return AV_CODEC_ID_ADPCM_VIMA;
2932 case AV_CODEC_ID_ESCAPE130_DEPRECATED : return AV_CODEC_ID_ESCAPE130;
2933 case AV_CODEC_ID_EXR_DEPRECATED : return AV_CODEC_ID_EXR;
2934 case AV_CODEC_ID_G2M_DEPRECATED : return AV_CODEC_ID_G2M;
2935 case AV_CODEC_ID_PAF_VIDEO_DEPRECATED : return AV_CODEC_ID_PAF_VIDEO;
2936 case AV_CODEC_ID_WEBP_DEPRECATED : return AV_CODEC_ID_WEBP;
2937 case AV_CODEC_ID_HEVC_DEPRECATED : return AV_CODEC_ID_HEVC;
2938 case AV_CODEC_ID_MVC1_DEPRECATED : return AV_CODEC_ID_MVC1;
2939 case AV_CODEC_ID_MVC2_DEPRECATED : return AV_CODEC_ID_MVC2;
2940 case AV_CODEC_ID_SANM_DEPRECATED : return AV_CODEC_ID_SANM;
2941 case AV_CODEC_ID_SGIRLE_DEPRECATED : return AV_CODEC_ID_SGIRLE;
2942 case AV_CODEC_ID_VP7_DEPRECATED : return AV_CODEC_ID_VP7;
2943 default : return id;
2947 static AVCodec *find_encdec(enum AVCodecID id, int encoder)
2949 AVCodec *p, *experimental = NULL;
2951 id= remap_deprecated_codec_id(id);
2953 if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
2955 if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
2962 return experimental;
2965 AVCodec *avcodec_find_encoder(enum AVCodecID id)
2967 return find_encdec(id, 1);
2970 AVCodec *avcodec_find_encoder_by_name(const char *name)
2977 if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
2984 AVCodec *avcodec_find_decoder(enum AVCodecID id)
2986 return find_encdec(id, 0);
2989 AVCodec *avcodec_find_decoder_by_name(const char *name)
2996 if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
3003 const char *avcodec_get_name(enum AVCodecID id)
3005 const AVCodecDescriptor *cd;
3008 if (id == AV_CODEC_ID_NONE)
3010 cd = avcodec_descriptor_get(id);
3013 av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
3014 codec = avcodec_find_decoder(id);
3017 codec = avcodec_find_encoder(id);
3020 return "unknown_codec";
3023 size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
3025 int i, len, ret = 0;
3027 #define TAG_PRINT(x) \
3028 (((x) >= '0' && (x) <= '9') || \
3029 ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
3030 ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
3032 for (i = 0; i < 4; i++) {
3033 len = snprintf(buf, buf_size,
3034 TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
3036 buf_size = buf_size > len ? buf_size - len : 0;
3043 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
3045 const char *codec_type;
3046 const char *codec_name;
3047 const char *profile = NULL;
3051 AVRational display_aspect_ratio;
3052 const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", ";
3054 if (!buf || buf_size <= 0)
3056 codec_type = av_get_media_type_string(enc->codec_type);
3057 codec_name = avcodec_get_name(enc->codec_id);
3058 if (enc->profile != FF_PROFILE_UNKNOWN) {
3062 p = encode ? avcodec_find_encoder(enc->codec_id) :
3063 avcodec_find_decoder(enc->codec_id);
3065 profile = av_get_profile_name(p, enc->profile);
3068 snprintf(buf, buf_size, "%s: %s", codec_type ? codec_type : "unknown",
3070 buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
3072 if (enc->codec && strcmp(enc->codec->name, codec_name))
3073 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", enc->codec->name);
3076 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile);
3077 if ( enc->codec_type == AVMEDIA_TYPE_VIDEO
3078 && av_log_get_level() >= AV_LOG_VERBOSE
3080 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3081 ", %d reference frame%s",
3082 enc->refs, enc->refs > 1 ? "s" : "");
3084 if (enc->codec_tag) {
3086 av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
3087 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3088 " (%s / 0x%04X)", tag_buf, enc->codec_tag);
3091 switch (enc->codec_type) {
3092 case AVMEDIA_TYPE_VIDEO:
3094 char detail[256] = "(";
3096 av_strlcat(buf, separator, buf_size);
3098 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3099 "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
3100 av_get_pix_fmt_name(enc->pix_fmt));
3101 if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
3102 enc->bits_per_raw_sample <= av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth_minus1)
3103 av_strlcatf(detail, sizeof(detail), "%d bpc, ", enc->bits_per_raw_sample);
3104 if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
3105 av_strlcatf(detail, sizeof(detail), "%s, ",
3106 av_color_range_name(enc->color_range));
3108 if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
3109 enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
3110 enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
3111 if (enc->colorspace != (int)enc->color_primaries ||
3112 enc->colorspace != (int)enc->color_trc) {
3114 av_strlcatf(detail, sizeof(detail), "%s/%s/%s, ",
3115 av_color_space_name(enc->colorspace),
3116 av_color_primaries_name(enc->color_primaries),
3117 av_color_transfer_name(enc->color_trc));
3119 av_strlcatf(detail, sizeof(detail), "%s, ",
3120 av_get_colorspace_name(enc->colorspace));
3123 if (av_log_get_level() >= AV_LOG_DEBUG &&
3124 enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
3125 av_strlcatf(detail, sizeof(detail), "%s, ",
3126 av_chroma_location_name(enc->chroma_sample_location));
3128 if (strlen(detail) > 1) {
3129 detail[strlen(detail) - 2] = 0;
3130 av_strlcatf(buf, buf_size, "%s)", detail);
3135 av_strlcat(buf, new_line ? separator : ", ", buf_size);
3137 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3139 enc->width, enc->height);
3141 if (av_log_get_level() >= AV_LOG_VERBOSE &&
3142 (enc->width != enc->coded_width ||
3143 enc->height != enc->coded_height))
3144 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3145 " (%dx%d)", enc->coded_width, enc->coded_height);
3147 if (enc->sample_aspect_ratio.num) {
3148 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
3149 enc->width * enc->sample_aspect_ratio.num,
3150 enc->height * enc->sample_aspect_ratio.den,
3152 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3153 " [SAR %d:%d DAR %d:%d]",
3154 enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
3155 display_aspect_ratio.num, display_aspect_ratio.den);
3157 if (av_log_get_level() >= AV_LOG_DEBUG) {
3158 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3159 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3161 enc->time_base.num / g, enc->time_base.den / g);
3165 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3166 ", q=%d-%d", enc->qmin, enc->qmax);
3168 if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS)
3169 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3170 ", Closed Captions");
3171 if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS)
3172 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3176 case AVMEDIA_TYPE_AUDIO:
3177 av_strlcat(buf, separator, buf_size);
3179 if (enc->sample_rate) {
3180 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3181 "%d Hz, ", enc->sample_rate);
3183 av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
3184 if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
3185 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3186 ", %s", av_get_sample_fmt_name(enc->sample_fmt));
3188 if ( enc->bits_per_raw_sample > 0
3189 && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8)
3190 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3191 " (%d bit)", enc->bits_per_raw_sample);
3193 case AVMEDIA_TYPE_DATA:
3194 if (av_log_get_level() >= AV_LOG_DEBUG) {
3195 int g = av_gcd(enc->time_base.num, enc->time_base.den);
3197 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3199 enc->time_base.num / g, enc->time_base.den / g);
3202 case AVMEDIA_TYPE_SUBTITLE:
3204 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3205 ", %dx%d", enc->width, enc->height);
3211 if (enc->flags & CODEC_FLAG_PASS1)
3212 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3214 if (enc->flags & CODEC_FLAG_PASS2)
3215 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3218 bitrate = get_bit_rate(enc);
3220 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3221 ", %d kb/s", bitrate / 1000);
3222 } else if (enc->rc_max_rate > 0) {
3223 snprintf(buf + strlen(buf), buf_size - strlen(buf),
3224 ", max. %d kb/s", enc->rc_max_rate / 1000);
3228 const char *av_get_profile_name(const AVCodec *codec, int profile)
3231 if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
3234 for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3235 if (p->profile == profile)
3241 unsigned avcodec_version(void)
3243 // av_assert0(AV_CODEC_ID_V410==164);
3244 av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
3245 av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
3246 // av_assert0(AV_CODEC_ID_BMV_AUDIO==86071);
3247 av_assert0(AV_CODEC_ID_SRT==94216);
3248 av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
3250 av_assert0(CODEC_ID_CLLC == AV_CODEC_ID_CLLC);
3251 av_assert0(CODEC_ID_PCM_S8_PLANAR == AV_CODEC_ID_PCM_S8_PLANAR);
3252 av_assert0(CODEC_ID_ADPCM_IMA_APC == AV_CODEC_ID_ADPCM_IMA_APC);
3253 av_assert0(CODEC_ID_ILBC == AV_CODEC_ID_ILBC);
3254 av_assert0(CODEC_ID_SRT == AV_CODEC_ID_SRT);
3255 return LIBAVCODEC_VERSION_INT;
3258 const char *avcodec_configuration(void)
3260 return FFMPEG_CONFIGURATION;
3263 const char *avcodec_license(void)
3265 #define LICENSE_PREFIX "libavcodec license: "
3266 return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
3269 void avcodec_flush_buffers(AVCodecContext *avctx)
3271 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
3272 ff_thread_flush(avctx);
3273 else if (avctx->codec->flush)
3274 avctx->codec->flush(avctx);
3276 avctx->pts_correction_last_pts =
3277 avctx->pts_correction_last_dts = INT64_MIN;
3279 if (!avctx->refcounted_frames)
3280 av_frame_unref(avctx->internal->to_free);
3283 int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
3286 case AV_CODEC_ID_8SVX_EXP:
3287 case AV_CODEC_ID_8SVX_FIB:
3288 case AV_CODEC_ID_ADPCM_CT:
3289 case AV_CODEC_ID_ADPCM_IMA_APC:
3290 case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
3291 case AV_CODEC_ID_ADPCM_IMA_OKI:
3292 case AV_CODEC_ID_ADPCM_IMA_WS:
3293 case AV_CODEC_ID_ADPCM_G722:
3294 case AV_CODEC_ID_ADPCM_YAMAHA:
3296 case AV_CODEC_ID_DSD_LSBF:
3297 case AV_CODEC_ID_DSD_MSBF:
3298 case AV_CODEC_ID_DSD_LSBF_PLANAR:
3299 case AV_CODEC_ID_DSD_MSBF_PLANAR:
3300 case AV_CODEC_ID_PCM_ALAW:
3301 case AV_CODEC_ID_PCM_MULAW:
3302 case AV_CODEC_ID_PCM_S8:
3303 case AV_CODEC_ID_PCM_S8_PLANAR:
3304 case AV_CODEC_ID_PCM_U8:
3305 case AV_CODEC_ID_PCM_ZORK:
3307 case AV_CODEC_ID_PCM_S16BE:
3308 case AV_CODEC_ID_PCM_S16BE_PLANAR:
3309 case AV_CODEC_ID_PCM_S16LE:
3310 case AV_CODEC_ID_PCM_S16LE_PLANAR:
3311 case AV_CODEC_ID_PCM_U16BE:
3312 case AV_CODEC_ID_PCM_U16LE:
3314 case AV_CODEC_ID_PCM_S24DAUD:
3315 case AV_CODEC_ID_PCM_S24BE:
3316 case AV_CODEC_ID_PCM_S24LE:
3317 case AV_CODEC_ID_PCM_S24LE_PLANAR:
3318 case AV_CODEC_ID_PCM_U24BE:
3319 case AV_CODEC_ID_PCM_U24LE:
3321 case AV_CODEC_ID_PCM_S32BE:
3322 case AV_CODEC_ID_PCM_S32LE:
3323 case AV_CODEC_ID_PCM_S32LE_PLANAR:
3324 case AV_CODEC_ID_PCM_U32BE:
3325 case AV_CODEC_ID_PCM_U32LE:
3326 case AV_CODEC_ID_PCM_F32BE:
3327 case AV_CODEC_ID_PCM_F32LE:
3329 case AV_CODEC_ID_PCM_F64BE:
3330 case AV_CODEC_ID_PCM_F64LE:
3337 enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
3339 static const enum AVCodecID map[AV_SAMPLE_FMT_NB][2] = {
3340 [AV_SAMPLE_FMT_U8 ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3341 [AV_SAMPLE_FMT_S16 ] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3342 [AV_SAMPLE_FMT_S32 ] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3343 [AV_SAMPLE_FMT_FLT ] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3344 [AV_SAMPLE_FMT_DBL ] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3345 [AV_SAMPLE_FMT_U8P ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3346 [AV_SAMPLE_FMT_S16P] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3347 [AV_SAMPLE_FMT_S32P] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3348 [AV_SAMPLE_FMT_FLTP] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3349 [AV_SAMPLE_FMT_DBLP] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3351 if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB)
3352 return AV_CODEC_ID_NONE;
3353 if (be < 0 || be > 1)
3355 return map[fmt][be];
3358 int av_get_bits_per_sample(enum AVCodecID codec_id)
3361 case AV_CODEC_ID_ADPCM_SBPRO_2:
3363 case AV_CODEC_ID_ADPCM_SBPRO_3:
3365 case AV_CODEC_ID_ADPCM_SBPRO_4:
3366 case AV_CODEC_ID_ADPCM_IMA_WAV:
3367 case AV_CODEC_ID_ADPCM_IMA_QT:
3368 case AV_CODEC_ID_ADPCM_SWF:
3369 case AV_CODEC_ID_ADPCM_MS:
3372 return av_get_exact_bits_per_sample(codec_id);
3376 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
3378 int id, sr, ch, ba, tag, bps;
3380 id = avctx->codec_id;
3381 sr = avctx->sample_rate;
3382 ch = avctx->channels;
3383 ba = avctx->block_align;
3384 tag = avctx->codec_tag;
3385 bps = av_get_exact_bits_per_sample(avctx->codec_id);
3387 /* codecs with an exact constant bits per sample */
3388 if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
3389 return (frame_bytes * 8LL) / (bps * ch);
3390 bps = avctx->bits_per_coded_sample;
3392 /* codecs with a fixed packet duration */
3394 case AV_CODEC_ID_ADPCM_ADX: return 32;
3395 case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
3396 case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
3397 case AV_CODEC_ID_AMR_NB:
3398 case AV_CODEC_ID_EVRC:
3399 case AV_CODEC_ID_GSM:
3400 case AV_CODEC_ID_QCELP:
3401 case AV_CODEC_ID_RA_288: return 160;
3402 case AV_CODEC_ID_AMR_WB:
3403 case AV_CODEC_ID_GSM_MS: return 320;
3404 case AV_CODEC_ID_MP1: return 384;
3405 case AV_CODEC_ID_ATRAC1: return 512;
3406 case AV_CODEC_ID_ATRAC3: return 1024;
3407 case AV_CODEC_ID_ATRAC3P: return 2048;
3408 case AV_CODEC_ID_MP2:
3409 case AV_CODEC_ID_MUSEPACK7: return 1152;
3410 case AV_CODEC_ID_AC3: return 1536;
3414 /* calc from sample rate */
3415 if (id == AV_CODEC_ID_TTA)
3416 return 256 * sr / 245;
3419 /* calc from sample rate and channels */
3420 if (id == AV_CODEC_ID_BINKAUDIO_DCT)
3421 return (480 << (sr / 22050)) / ch;
3426 /* calc from block_align */
3427 if (id == AV_CODEC_ID_SIPR) {
3429 case 20: return 160;
3430 case 19: return 144;
3431 case 29: return 288;
3432 case 37: return 480;
3434 } else if (id == AV_CODEC_ID_ILBC) {
3436 case 38: return 160;
3437 case 50: return 240;
3442 if (frame_bytes > 0) {
3443 /* calc from frame_bytes only */
3444 if (id == AV_CODEC_ID_TRUESPEECH)
3445 return 240 * (frame_bytes / 32);
3446 if (id == AV_CODEC_ID_NELLYMOSER)
3447 return 256 * (frame_bytes / 64);
3448 if (id == AV_CODEC_ID_RA_144)
3449 return 160 * (frame_bytes / 20);
3450 if (id == AV_CODEC_ID_G723_1)
3451 return 240 * (frame_bytes / 24);
3454 /* calc from frame_bytes and bits_per_coded_sample */
3455 if (id == AV_CODEC_ID_ADPCM_G726)
3456 return frame_bytes * 8 / bps;
3460 /* calc from frame_bytes and channels */
3462 case AV_CODEC_ID_ADPCM_AFC:
3463 return frame_bytes / (9 * ch) * 16;
3464 case AV_CODEC_ID_ADPCM_DTK:
3465 return frame_bytes / (16 * ch) * 28;
3466 case AV_CODEC_ID_ADPCM_4XM:
3467 case AV_CODEC_ID_ADPCM_IMA_ISS:
3468 return (frame_bytes - 4 * ch) * 2 / ch;
3469 case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
3470 return (frame_bytes - 4) * 2 / ch;
3471 case AV_CODEC_ID_ADPCM_IMA_AMV:
3472 return (frame_bytes - 8) * 2 / ch;
3473 case AV_CODEC_ID_ADPCM_THP:
3474 case AV_CODEC_ID_ADPCM_THP_LE:
3475 if (avctx->extradata)
3476 return frame_bytes * 14 / (8 * ch);
3478 case AV_CODEC_ID_ADPCM_XA:
3479 return (frame_bytes / 128) * 224 / ch;
3480 case AV_CODEC_ID_INTERPLAY_DPCM:
3481 return (frame_bytes - 6 - ch) / ch;
3482 case AV_CODEC_ID_ROQ_DPCM:
3483 return (frame_bytes - 8) / ch;
3484 case AV_CODEC_ID_XAN_DPCM:
3485 return (frame_bytes - 2 * ch) / ch;
3486 case AV_CODEC_ID_MACE3:
3487 return 3 * frame_bytes / ch;
3488 case AV_CODEC_ID_MACE6:
3489 return 6 * frame_bytes / ch;
3490 case AV_CODEC_ID_PCM_LXF:
3491 return 2 * (frame_bytes / (5 * ch));
3492 case AV_CODEC_ID_IAC:
3493 case AV_CODEC_ID_IMC:
3494 return 4 * frame_bytes / ch;
3498 /* calc from frame_bytes, channels, and codec_tag */
3499 if (id == AV_CODEC_ID_SOL_DPCM) {
3501 return frame_bytes / ch;
3503 return frame_bytes * 2 / ch;
3508 /* calc from frame_bytes, channels, and block_align */
3509 int blocks = frame_bytes / ba;
3510 switch (avctx->codec_id) {
3511 case AV_CODEC_ID_ADPCM_IMA_WAV:
3512 if (bps < 2 || bps > 5)
3514 return blocks * (1 + (ba - 4 * ch) / (bps * ch) * 8);
3515 case AV_CODEC_ID_ADPCM_IMA_DK3:
3516 return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
3517 case AV_CODEC_ID_ADPCM_IMA_DK4:
3518 return blocks * (1 + (ba - 4 * ch) * 2 / ch);
3519 case AV_CODEC_ID_ADPCM_IMA_RAD:
3520 return blocks * ((ba - 4 * ch) * 2 / ch);
3521 case AV_CODEC_ID_ADPCM_MS:
3522 return blocks * (2 + (ba - 7 * ch) * 2 / ch);
3527 /* calc from frame_bytes, channels, and bits_per_coded_sample */
3528 switch (avctx->codec_id) {
3529 case AV_CODEC_ID_PCM_DVD:
3532 return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
3533 case AV_CODEC_ID_PCM_BLURAY:
3536 return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
3537 case AV_CODEC_ID_S302M:
3538 return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
3544 /* Fall back on using frame_size */
3545 if (avctx->frame_size > 1 && frame_bytes)
3546 return avctx->frame_size;
3548 //For WMA we currently have no other means to calculate duration thus we
3549 //do it here by assuming CBR, which is true for all known cases.
3550 if (avctx->bit_rate>0 && frame_bytes>0 && avctx->sample_rate>0 && avctx->block_align>1) {
3551 if (avctx->codec_id == AV_CODEC_ID_WMAV1 || avctx->codec_id == AV_CODEC_ID_WMAV2)
3552 return (frame_bytes * 8LL * avctx->sample_rate) / avctx->bit_rate;
3559 int ff_thread_init(AVCodecContext *s)
3566 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
3580 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
3583 for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
3587 #if FF_API_MISSING_SAMPLE
3588 FF_DISABLE_DEPRECATION_WARNINGS
3589 void av_log_missing_feature(void *avc, const char *feature, int want_sample)
3591 av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your FFmpeg "
3592 "version to the newest one from Git. If the problem still "
3593 "occurs, it means that your file has a feature which has not "
3594 "been implemented.\n", feature);
3596 av_log_ask_for_sample(avc, NULL);
3599 void av_log_ask_for_sample(void *avc, const char *msg, ...)
3601 va_list argument_list;
3603 va_start(argument_list, msg);
3606 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
3607 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
3608 "of this file to ftp://upload.ffmpeg.org/incoming/ "
3609 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n");
3611 va_end(argument_list);
3613 FF_ENABLE_DEPRECATION_WARNINGS
3614 #endif /* FF_API_MISSING_SAMPLE */
3616 static AVHWAccel *first_hwaccel = NULL;
3617 static AVHWAccel **last_hwaccel = &first_hwaccel;
3619 void av_register_hwaccel(AVHWAccel *hwaccel)
3621 AVHWAccel **p = last_hwaccel;
3622 hwaccel->next = NULL;
3623 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, hwaccel))
3625 last_hwaccel = &hwaccel->next;
3628 AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
3630 return hwaccel ? hwaccel->next : first_hwaccel;
3633 int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
3636 // There is no good way to rollback a failure to destroy the
3637 // mutex, so we ignore failures.
3638 lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
3639 lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
3642 avformat_mutex = NULL;
3646 void *new_codec_mutex = NULL;
3647 void *new_avformat_mutex = NULL;
3649 if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
3650 return err > 0 ? AVERROR_UNKNOWN : err;
3652 if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
3653 // Ignore failures to destroy the newly created mutex.
3654 cb(&new_codec_mutex, AV_LOCK_DESTROY);
3655 return err > 0 ? AVERROR_UNKNOWN : err;
3658 codec_mutex = new_codec_mutex;
3659 avformat_mutex = new_avformat_mutex;
3665 int ff_lock_avcodec(AVCodecContext *log_ctx, const AVCodec *codec)
3668 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
3672 if (avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, 1) != 1 &&
3673 !(codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE)) {
3674 av_log(log_ctx, AV_LOG_ERROR,
3675 "Insufficient thread locking. At least %d threads are "
3676 "calling avcodec_open2() at the same time right now.\n",
3677 entangled_thread_counter);
3679 av_log(log_ctx, AV_LOG_ERROR, "No lock manager is set, please see av_lockmgr_register()\n");
3680 ff_avcodec_locked = 1;
3681 ff_unlock_avcodec();
3682 return AVERROR(EINVAL);
3684 av_assert0(!ff_avcodec_locked);
3685 ff_avcodec_locked = 1;
3689 int ff_unlock_avcodec(void)
3691 av_assert0(ff_avcodec_locked);
3692 ff_avcodec_locked = 0;
3693 avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, -1);
3695 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE))
3702 int avpriv_lock_avformat(void)
3705 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
3711 int avpriv_unlock_avformat(void)
3714 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
3720 unsigned int avpriv_toupper4(unsigned int x)
3722 return av_toupper(x & 0xFF) +
3723 (av_toupper((x >> 8) & 0xFF) << 8) +
3724 (av_toupper((x >> 16) & 0xFF) << 16) +
3725 ((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
3728 int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
3732 dst->owner = src->owner;
3734 ret = av_frame_ref(dst->f, src->f);
3738 av_assert0(!dst->progress);
3740 if (src->progress &&
3741 !(dst->progress = av_buffer_ref(src->progress))) {
3742 ff_thread_release_buffer(dst->owner, dst);
3743 return AVERROR(ENOMEM);
3751 enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
3753 return ff_get_format(avctx, fmt);
3756 int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
3759 return ff_get_buffer(avctx, f->f, flags);
3762 void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
3765 av_frame_unref(f->f);
3768 void ff_thread_finish_setup(AVCodecContext *avctx)
3772 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
3776 void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
3780 int ff_thread_can_start_frame(AVCodecContext *avctx)
3785 int ff_alloc_entries(AVCodecContext *avctx, int count)
3790 void ff_reset_entries(AVCodecContext *avctx)
3794 void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
3798 void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
3804 enum AVMediaType avcodec_get_type(enum AVCodecID codec_id)
3806 AVCodec *c= avcodec_find_decoder(codec_id);
3808 c= avcodec_find_encoder(codec_id);
3812 if (codec_id <= AV_CODEC_ID_NONE)
3813 return AVMEDIA_TYPE_UNKNOWN;
3814 else if (codec_id < AV_CODEC_ID_FIRST_AUDIO)
3815 return AVMEDIA_TYPE_VIDEO;
3816 else if (codec_id < AV_CODEC_ID_FIRST_SUBTITLE)
3817 return AVMEDIA_TYPE_AUDIO;
3818 else if (codec_id < AV_CODEC_ID_FIRST_UNKNOWN)
3819 return AVMEDIA_TYPE_SUBTITLE;
3821 return AVMEDIA_TYPE_UNKNOWN;
3824 int avcodec_is_open(AVCodecContext *s)
3826 return !!s->internal;
3829 int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
3834 ret = av_bprint_finalize(buf, &str);
3837 if (!av_bprint_is_complete(buf)) {
3839 return AVERROR(ENOMEM);
3842 avctx->extradata = str;
3843 /* Note: the string is NUL terminated (so extradata can be read as a
3844 * string), but the ending character is not accounted in the size (in
3845 * binary formats you are likely not supposed to mux that character). When
3846 * extradata is copied, it is also padded with FF_INPUT_BUFFER_PADDING_SIZE
3848 avctx->extradata_size = buf->len;
3852 const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
3854 uint32_t *av_restrict state)
3858 av_assert0(p <= end);
3862 for (i = 0; i < 3; i++) {
3863 uint32_t tmp = *state << 8;
3864 *state = tmp + *(p++);
3865 if (tmp == 0x100 || p == end)
3870 if (p[-1] > 1 ) p += 3;
3871 else if (p[-2] ) p += 2;
3872 else if (p[-3]|(p[-1]-1)) p++;
3879 p = FFMIN(p, end) - 4;
3880 *state = AV_RB32(p);