3 * Copyright (c) 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 #include "libavutil/atomic.h"
30 #include "libavutil/attributes.h"
31 #include "libavutil/avassert.h"
32 #include "libavutil/avstring.h"
33 #include "libavutil/bprint.h"
34 #include "libavutil/channel_layout.h"
35 #include "libavutil/crc.h"
36 #include "libavutil/frame.h"
37 #include "libavutil/hwcontext.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/mathematics.h"
40 #include "libavutil/mem_internal.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/imgutils.h"
43 #include "libavutil/samplefmt.h"
44 #include "libavutil/dict.h"
45 #include "libavutil/thread.h"
47 #include "libavutil/opt.h"
49 #include "mpegvideo.h"
51 #include "frame_thread_encoder.h"
54 #include "bytestream.h"
64 #include "libavutil/ffversion.h"
65 const char av_codec_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
67 #if HAVE_PTHREADS || HAVE_W32THREADS || HAVE_OS2THREADS
68 static int default_lockmgr_cb(void **arg, enum AVLockOp op)
70 void * volatile * mutex = arg;
78 pthread_mutex_t *tmp = av_malloc(sizeof(pthread_mutex_t));
80 return AVERROR(ENOMEM);
81 if ((err = pthread_mutex_init(tmp, NULL))) {
85 if (avpriv_atomic_ptr_cas(mutex, NULL, tmp)) {
86 pthread_mutex_destroy(tmp);
91 if ((err = pthread_mutex_lock(*mutex)))
96 if ((err = pthread_mutex_unlock(*mutex)))
100 case AV_LOCK_DESTROY:
102 pthread_mutex_destroy(*mutex);
104 avpriv_atomic_ptr_cas(mutex, *mutex, NULL);
109 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = default_lockmgr_cb;
111 static int (*lockmgr_cb)(void **mutex, enum AVLockOp op) = NULL;
115 volatile int ff_avcodec_locked;
116 static int volatile entangled_thread_counter = 0;
117 static void *codec_mutex;
118 static void *avformat_mutex;
120 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
123 if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
128 if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
129 memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
132 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
135 if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
140 if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
141 memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
144 /* encoder management */
145 static AVCodec *first_avcodec = NULL;
146 static AVCodec **last_avcodec = &first_avcodec;
148 AVCodec *av_codec_next(const AVCodec *c)
153 return first_avcodec;
156 static av_cold void avcodec_init(void)
158 static int initialized = 0;
160 if (initialized != 0)
165 ff_me_cmp_init_static();
168 int av_codec_is_encoder(const AVCodec *codec)
170 return codec && (codec->encode_sub || codec->encode2);
173 int av_codec_is_decoder(const AVCodec *codec)
175 return codec && codec->decode;
178 av_cold void avcodec_register(AVCodec *codec)
185 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, codec))
187 last_avcodec = &codec->next;
189 if (codec->init_static_data)
190 codec->init_static_data(codec);
194 unsigned avcodec_get_edge_width(void)
200 #if FF_API_SET_DIMENSIONS
201 void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
203 int ret = ff_set_dimensions(s, width, height);
205 av_log(s, AV_LOG_WARNING, "Failed to set dimensions %d %d\n", width, height);
210 int ff_set_dimensions(AVCodecContext *s, int width, int height)
212 int ret = av_image_check_size(width, height, 0, s);
217 s->coded_width = width;
218 s->coded_height = height;
219 s->width = AV_CEIL_RSHIFT(width, s->lowres);
220 s->height = AV_CEIL_RSHIFT(height, s->lowres);
225 int ff_set_sar(AVCodecContext *avctx, AVRational sar)
227 int ret = av_image_check_sar(avctx->width, avctx->height, sar);
230 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
232 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
235 avctx->sample_aspect_ratio = sar;
240 int ff_side_data_update_matrix_encoding(AVFrame *frame,
241 enum AVMatrixEncoding matrix_encoding)
243 AVFrameSideData *side_data;
244 enum AVMatrixEncoding *data;
246 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
248 side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
249 sizeof(enum AVMatrixEncoding));
252 return AVERROR(ENOMEM);
254 data = (enum AVMatrixEncoding*)side_data->data;
255 *data = matrix_encoding;
260 void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
261 int linesize_align[AV_NUM_DATA_POINTERS])
266 AVPixFmtDescriptor const *desc = av_pix_fmt_desc_get(s->pix_fmt);
269 w_align = 1 << desc->log2_chroma_w;
270 h_align = 1 << desc->log2_chroma_h;
273 switch (s->pix_fmt) {
274 case AV_PIX_FMT_YUV420P:
275 case AV_PIX_FMT_YUYV422:
276 case AV_PIX_FMT_YVYU422:
277 case AV_PIX_FMT_UYVY422:
278 case AV_PIX_FMT_YUV422P:
279 case AV_PIX_FMT_YUV440P:
280 case AV_PIX_FMT_YUV444P:
281 case AV_PIX_FMT_GBRP:
282 case AV_PIX_FMT_GBRAP:
283 case AV_PIX_FMT_GRAY8:
284 case AV_PIX_FMT_GRAY16BE:
285 case AV_PIX_FMT_GRAY16LE:
286 case AV_PIX_FMT_YUVJ420P:
287 case AV_PIX_FMT_YUVJ422P:
288 case AV_PIX_FMT_YUVJ440P:
289 case AV_PIX_FMT_YUVJ444P:
290 case AV_PIX_FMT_YUVA420P:
291 case AV_PIX_FMT_YUVA422P:
292 case AV_PIX_FMT_YUVA444P:
293 case AV_PIX_FMT_YUV420P9LE:
294 case AV_PIX_FMT_YUV420P9BE:
295 case AV_PIX_FMT_YUV420P10LE:
296 case AV_PIX_FMT_YUV420P10BE:
297 case AV_PIX_FMT_YUV420P12LE:
298 case AV_PIX_FMT_YUV420P12BE:
299 case AV_PIX_FMT_YUV420P14LE:
300 case AV_PIX_FMT_YUV420P14BE:
301 case AV_PIX_FMT_YUV420P16LE:
302 case AV_PIX_FMT_YUV420P16BE:
303 case AV_PIX_FMT_YUVA420P9LE:
304 case AV_PIX_FMT_YUVA420P9BE:
305 case AV_PIX_FMT_YUVA420P10LE:
306 case AV_PIX_FMT_YUVA420P10BE:
307 case AV_PIX_FMT_YUVA420P16LE:
308 case AV_PIX_FMT_YUVA420P16BE:
309 case AV_PIX_FMT_YUV422P9LE:
310 case AV_PIX_FMT_YUV422P9BE:
311 case AV_PIX_FMT_YUV422P10LE:
312 case AV_PIX_FMT_YUV422P10BE:
313 case AV_PIX_FMT_YUV422P12LE:
314 case AV_PIX_FMT_YUV422P12BE:
315 case AV_PIX_FMT_YUV422P14LE:
316 case AV_PIX_FMT_YUV422P14BE:
317 case AV_PIX_FMT_YUV422P16LE:
318 case AV_PIX_FMT_YUV422P16BE:
319 case AV_PIX_FMT_YUVA422P9LE:
320 case AV_PIX_FMT_YUVA422P9BE:
321 case AV_PIX_FMT_YUVA422P10LE:
322 case AV_PIX_FMT_YUVA422P10BE:
323 case AV_PIX_FMT_YUVA422P16LE:
324 case AV_PIX_FMT_YUVA422P16BE:
325 case AV_PIX_FMT_YUV440P10LE:
326 case AV_PIX_FMT_YUV440P10BE:
327 case AV_PIX_FMT_YUV440P12LE:
328 case AV_PIX_FMT_YUV440P12BE:
329 case AV_PIX_FMT_YUV444P9LE:
330 case AV_PIX_FMT_YUV444P9BE:
331 case AV_PIX_FMT_YUV444P10LE:
332 case AV_PIX_FMT_YUV444P10BE:
333 case AV_PIX_FMT_YUV444P12LE:
334 case AV_PIX_FMT_YUV444P12BE:
335 case AV_PIX_FMT_YUV444P14LE:
336 case AV_PIX_FMT_YUV444P14BE:
337 case AV_PIX_FMT_YUV444P16LE:
338 case AV_PIX_FMT_YUV444P16BE:
339 case AV_PIX_FMT_YUVA444P9LE:
340 case AV_PIX_FMT_YUVA444P9BE:
341 case AV_PIX_FMT_YUVA444P10LE:
342 case AV_PIX_FMT_YUVA444P10BE:
343 case AV_PIX_FMT_YUVA444P16LE:
344 case AV_PIX_FMT_YUVA444P16BE:
345 case AV_PIX_FMT_GBRP9LE:
346 case AV_PIX_FMT_GBRP9BE:
347 case AV_PIX_FMT_GBRP10LE:
348 case AV_PIX_FMT_GBRP10BE:
349 case AV_PIX_FMT_GBRP12LE:
350 case AV_PIX_FMT_GBRP12BE:
351 case AV_PIX_FMT_GBRP14LE:
352 case AV_PIX_FMT_GBRP14BE:
353 case AV_PIX_FMT_GBRP16LE:
354 case AV_PIX_FMT_GBRP16BE:
355 case AV_PIX_FMT_GBRAP12LE:
356 case AV_PIX_FMT_GBRAP12BE:
357 case AV_PIX_FMT_GBRAP16LE:
358 case AV_PIX_FMT_GBRAP16BE:
359 w_align = 16; //FIXME assume 16 pixel per macroblock
360 h_align = 16 * 2; // interlaced needs 2 macroblocks height
362 case AV_PIX_FMT_YUV411P:
363 case AV_PIX_FMT_YUVJ411P:
364 case AV_PIX_FMT_UYYVYY411:
368 case AV_PIX_FMT_YUV410P:
369 if (s->codec_id == AV_CODEC_ID_SVQ1) {
374 case AV_PIX_FMT_RGB555:
375 if (s->codec_id == AV_CODEC_ID_RPZA) {
380 case AV_PIX_FMT_PAL8:
381 case AV_PIX_FMT_BGR8:
382 case AV_PIX_FMT_RGB8:
383 if (s->codec_id == AV_CODEC_ID_SMC ||
384 s->codec_id == AV_CODEC_ID_CINEPAK) {
388 if (s->codec_id == AV_CODEC_ID_JV) {
393 case AV_PIX_FMT_BGR24:
394 if ((s->codec_id == AV_CODEC_ID_MSZH) ||
395 (s->codec_id == AV_CODEC_ID_ZLIB)) {
400 case AV_PIX_FMT_RGB24:
401 if (s->codec_id == AV_CODEC_ID_CINEPAK) {
410 if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
411 w_align = FFMAX(w_align, 8);
414 *width = FFALIGN(*width, w_align);
415 *height = FFALIGN(*height, h_align);
416 if (s->codec_id == AV_CODEC_ID_H264 || s->lowres) {
417 // some of the optimized chroma MC reads one line too much
418 // which is also done in mpeg decoders with lowres > 0
421 // H.264 uses edge emulation for out of frame motion vectors, for this
422 // it requires a temporary area large enough to hold a 21x21 block,
423 // increasing witdth ensure that the temporary area is large enough,
424 // the next rounded up width is 32
425 *width = FFMAX(*width, 32);
428 for (i = 0; i < 4; i++)
429 linesize_align[i] = STRIDE_ALIGN;
432 void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
434 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
435 int chroma_shift = desc->log2_chroma_w;
436 int linesize_align[AV_NUM_DATA_POINTERS];
439 avcodec_align_dimensions2(s, width, height, linesize_align);
440 align = FFMAX(linesize_align[0], linesize_align[3]);
441 linesize_align[1] <<= chroma_shift;
442 linesize_align[2] <<= chroma_shift;
443 align = FFMAX3(align, linesize_align[1], linesize_align[2]);
444 *width = FFALIGN(*width, align);
447 int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos)
449 if (pos <= AVCHROMA_LOC_UNSPECIFIED || pos >= AVCHROMA_LOC_NB)
450 return AVERROR(EINVAL);
453 *xpos = (pos&1) * 128;
454 *ypos = ((pos>>1)^(pos<4)) * 128;
459 enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos)
463 for (pos = AVCHROMA_LOC_UNSPECIFIED + 1; pos < AVCHROMA_LOC_NB; pos++) {
464 if (avcodec_enum_to_chroma_pos(&xout, &yout, pos) == 0 && xout == xpos && yout == ypos)
467 return AVCHROMA_LOC_UNSPECIFIED;
470 int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
471 enum AVSampleFormat sample_fmt, const uint8_t *buf,
472 int buf_size, int align)
474 int ch, planar, needed_size, ret = 0;
476 needed_size = av_samples_get_buffer_size(NULL, nb_channels,
477 frame->nb_samples, sample_fmt,
479 if (buf_size < needed_size)
480 return AVERROR(EINVAL);
482 planar = av_sample_fmt_is_planar(sample_fmt);
483 if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
484 if (!(frame->extended_data = av_mallocz_array(nb_channels,
485 sizeof(*frame->extended_data))))
486 return AVERROR(ENOMEM);
488 frame->extended_data = frame->data;
491 if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
492 (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
493 sample_fmt, align)) < 0) {
494 if (frame->extended_data != frame->data)
495 av_freep(&frame->extended_data);
498 if (frame->extended_data != frame->data) {
499 for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
500 frame->data[ch] = frame->extended_data[ch];
506 static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
508 FramePool *pool = avctx->internal->pool;
511 switch (avctx->codec_type) {
512 case AVMEDIA_TYPE_VIDEO: {
516 int w = frame->width;
517 int h = frame->height;
518 int tmpsize, unaligned;
520 if (pool->format == frame->format &&
521 pool->width == frame->width && pool->height == frame->height)
524 avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
527 // NOTE: do not align linesizes individually, this breaks e.g. assumptions
528 // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
529 ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
532 // increase alignment of w for next try (rhs gives the lowest bit set in w)
536 for (i = 0; i < 4; i++)
537 unaligned |= linesize[i] % pool->stride_align[i];
540 tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
545 for (i = 0; i < 3 && data[i + 1]; i++)
546 size[i] = data[i + 1] - data[i];
547 size[i] = tmpsize - (data[i] - data[0]);
549 for (i = 0; i < 4; i++) {
550 av_buffer_pool_uninit(&pool->pools[i]);
551 pool->linesize[i] = linesize[i];
553 pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
554 CONFIG_MEMORY_POISONING ?
557 if (!pool->pools[i]) {
558 ret = AVERROR(ENOMEM);
563 pool->format = frame->format;
564 pool->width = frame->width;
565 pool->height = frame->height;
569 case AVMEDIA_TYPE_AUDIO: {
570 int ch = av_frame_get_channels(frame); //av_get_channel_layout_nb_channels(frame->channel_layout);
571 int planar = av_sample_fmt_is_planar(frame->format);
572 int planes = planar ? ch : 1;
574 if (pool->format == frame->format && pool->planes == planes &&
575 pool->channels == ch && frame->nb_samples == pool->samples)
578 av_buffer_pool_uninit(&pool->pools[0]);
579 ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
580 frame->nb_samples, frame->format, 0);
584 pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
585 if (!pool->pools[0]) {
586 ret = AVERROR(ENOMEM);
590 pool->format = frame->format;
591 pool->planes = planes;
593 pool->samples = frame->nb_samples;
596 default: av_assert0(0);
600 for (i = 0; i < 4; i++)
601 av_buffer_pool_uninit(&pool->pools[i]);
603 pool->planes = pool->channels = pool->samples = 0;
604 pool->width = pool->height = 0;
608 static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
610 FramePool *pool = avctx->internal->pool;
611 int planes = pool->planes;
614 frame->linesize[0] = pool->linesize[0];
616 if (planes > AV_NUM_DATA_POINTERS) {
617 frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
618 frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
619 frame->extended_buf = av_mallocz_array(frame->nb_extended_buf,
620 sizeof(*frame->extended_buf));
621 if (!frame->extended_data || !frame->extended_buf) {
622 av_freep(&frame->extended_data);
623 av_freep(&frame->extended_buf);
624 return AVERROR(ENOMEM);
627 frame->extended_data = frame->data;
628 av_assert0(frame->nb_extended_buf == 0);
631 for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
632 frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
635 frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
637 for (i = 0; i < frame->nb_extended_buf; i++) {
638 frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
639 if (!frame->extended_buf[i])
641 frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
644 if (avctx->debug & FF_DEBUG_BUFFERS)
645 av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
649 av_frame_unref(frame);
650 return AVERROR(ENOMEM);
653 static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
655 FramePool *pool = s->internal->pool;
656 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
659 if (pic->data[0] || pic->data[1] || pic->data[2] || pic->data[3]) {
660 av_log(s, AV_LOG_ERROR, "pic->data[*]!=NULL in avcodec_default_get_buffer\n");
665 av_log(s, AV_LOG_ERROR,
666 "Unable to get pixel format descriptor for format %s\n",
667 av_get_pix_fmt_name(pic->format));
668 return AVERROR(EINVAL);
671 memset(pic->data, 0, sizeof(pic->data));
672 pic->extended_data = pic->data;
674 for (i = 0; i < 4 && pool->pools[i]; i++) {
675 pic->linesize[i] = pool->linesize[i];
677 pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
681 pic->data[i] = pic->buf[i]->data;
683 for (; i < AV_NUM_DATA_POINTERS; i++) {
685 pic->linesize[i] = 0;
687 if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
688 desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
689 avpriv_set_systematic_pal2((uint32_t *)pic->data[1], pic->format);
691 if (s->debug & FF_DEBUG_BUFFERS)
692 av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
697 return AVERROR(ENOMEM);
700 void ff_color_frame(AVFrame *frame, const int c[4])
702 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
705 av_assert0(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
707 for (p = 0; p<desc->nb_components; p++) {
708 uint8_t *dst = frame->data[p];
709 int is_chroma = p == 1 || p == 2;
710 int bytes = is_chroma ? AV_CEIL_RSHIFT(frame->width, desc->log2_chroma_w) : frame->width;
711 int height = is_chroma ? AV_CEIL_RSHIFT(frame->height, desc->log2_chroma_h) : frame->height;
712 for (y = 0; y < height; y++) {
713 if (desc->comp[0].depth >= 9) {
714 for (x = 0; x<bytes; x++)
715 ((uint16_t*)dst)[x] = c[p];
717 memset(dst, c[p], bytes);
718 dst += frame->linesize[p];
723 int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
727 if ((ret = update_frame_pool(avctx, frame)) < 0)
730 switch (avctx->codec_type) {
731 case AVMEDIA_TYPE_VIDEO:
732 return video_get_buffer(avctx, frame);
733 case AVMEDIA_TYPE_AUDIO:
734 return audio_get_buffer(avctx, frame);
740 static int add_metadata_from_side_data(AVPacket *avpkt, AVFrame *frame)
743 const uint8_t *side_metadata;
745 AVDictionary **frame_md = avpriv_frame_get_metadatap(frame);
747 side_metadata = av_packet_get_side_data(avpkt,
748 AV_PKT_DATA_STRINGS_METADATA, &size);
749 return av_packet_unpack_dictionary(side_metadata, size, frame_md);
752 int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
754 AVPacket *pkt = avctx->internal->pkt;
756 static const struct {
757 enum AVPacketSideDataType packet;
758 enum AVFrameSideDataType frame;
760 { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
761 { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
762 { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
763 { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
764 { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
768 frame->pkt_pts = pkt->pts;
769 av_frame_set_pkt_pos (frame, pkt->pos);
770 av_frame_set_pkt_duration(frame, pkt->duration);
771 av_frame_set_pkt_size (frame, pkt->size);
773 for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
775 uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
777 AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
781 return AVERROR(ENOMEM);
783 memcpy(frame_sd->data, packet_sd, size);
786 add_metadata_from_side_data(pkt, frame);
788 frame->pkt_pts = AV_NOPTS_VALUE;
789 av_frame_set_pkt_pos (frame, -1);
790 av_frame_set_pkt_duration(frame, 0);
791 av_frame_set_pkt_size (frame, -1);
793 frame->reordered_opaque = avctx->reordered_opaque;
795 if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
796 frame->color_primaries = avctx->color_primaries;
797 if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
798 frame->color_trc = avctx->color_trc;
799 if (av_frame_get_colorspace(frame) == AVCOL_SPC_UNSPECIFIED)
800 av_frame_set_colorspace(frame, avctx->colorspace);
801 if (av_frame_get_color_range(frame) == AVCOL_RANGE_UNSPECIFIED)
802 av_frame_set_color_range(frame, avctx->color_range);
803 if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
804 frame->chroma_location = avctx->chroma_sample_location;
806 switch (avctx->codec->type) {
807 case AVMEDIA_TYPE_VIDEO:
808 frame->format = avctx->pix_fmt;
809 if (!frame->sample_aspect_ratio.num)
810 frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
812 if (frame->width && frame->height &&
813 av_image_check_sar(frame->width, frame->height,
814 frame->sample_aspect_ratio) < 0) {
815 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
816 frame->sample_aspect_ratio.num,
817 frame->sample_aspect_ratio.den);
818 frame->sample_aspect_ratio = (AVRational){ 0, 1 };
822 case AVMEDIA_TYPE_AUDIO:
823 if (!frame->sample_rate)
824 frame->sample_rate = avctx->sample_rate;
825 if (frame->format < 0)
826 frame->format = avctx->sample_fmt;
827 if (!frame->channel_layout) {
828 if (avctx->channel_layout) {
829 if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
831 av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
833 return AVERROR(EINVAL);
836 frame->channel_layout = avctx->channel_layout;
838 if (avctx->channels > FF_SANE_NB_CHANNELS) {
839 av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
841 return AVERROR(ENOSYS);
845 av_frame_set_channels(frame, avctx->channels);
851 int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
853 return ff_init_buffer_info(avctx, frame);
856 static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
858 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
860 int num_planes = av_pix_fmt_count_planes(frame->format);
861 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
862 int flags = desc ? desc->flags : 0;
863 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
865 for (i = 0; i < num_planes; i++) {
866 av_assert0(frame->data[i]);
868 // For now do not enforce anything for palette of pseudopal formats
869 if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
871 // For formats without data like hwaccel allow unused pointers to be non-NULL.
872 for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
874 av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
875 frame->data[i] = NULL;
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 (frame->width <= 0 || frame->height <= 0) {
893 frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
894 frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
895 override_dimensions = 0;
898 if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
899 av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
900 return AVERROR(EINVAL);
903 ret = ff_decode_frame_props(avctx, frame);
908 if (hwaccel->alloc_frame) {
909 ret = hwaccel->alloc_frame(avctx, frame);
913 avctx->sw_pix_fmt = avctx->pix_fmt;
915 ret = avctx->get_buffer2(avctx, frame, flags);
917 validate_avframe_allocation(avctx, frame);
920 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
921 frame->width = avctx->width;
922 frame->height = avctx->height;
928 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
930 int ret = get_buffer_internal(avctx, frame, flags);
932 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
933 frame->width = frame->height = 0;
938 static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
943 av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
945 if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
946 av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
947 frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
948 av_frame_unref(frame);
951 ff_init_buffer_info(avctx, frame);
954 return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
956 if (av_frame_is_writable(frame))
957 return ff_decode_frame_props(avctx, frame);
959 tmp = av_frame_alloc();
961 return AVERROR(ENOMEM);
963 av_frame_move_ref(tmp, frame);
965 ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
971 av_frame_copy(frame, tmp);
977 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
979 int ret = reget_buffer_internal(avctx, frame);
981 av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
985 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
989 for (i = 0; i < count; i++) {
990 int r = func(c, (char *)arg + i * size);
997 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
1001 for (i = 0; i < count; i++) {
1002 int r = func(c, arg, i, 0);
1009 enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags,
1010 unsigned int fourcc)
1012 while (tags->pix_fmt >= 0) {
1013 if (tags->fourcc == fourcc)
1014 return tags->pix_fmt;
1017 return AV_PIX_FMT_NONE;
1020 static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
1022 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
1023 return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
1026 enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
1028 while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
1033 static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
1034 enum AVPixelFormat pix_fmt)
1036 AVHWAccel *hwaccel = NULL;
1038 while ((hwaccel = av_hwaccel_next(hwaccel)))
1039 if (hwaccel->id == codec_id
1040 && hwaccel->pix_fmt == pix_fmt)
1045 static int setup_hwaccel(AVCodecContext *avctx,
1046 const enum AVPixelFormat fmt,
1049 AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
1052 if (avctx->active_thread_type & FF_THREAD_FRAME) {
1053 av_log(avctx, AV_LOG_WARNING,
1054 "Hardware accelerated decoding with frame threading is known to be unstable and its use is discouraged.\n");
1058 av_log(avctx, AV_LOG_ERROR,
1059 "Could not find an AVHWAccel for the pixel format: %s",
1061 return AVERROR(ENOENT);
1064 if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
1065 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1066 av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
1068 return AVERROR_PATCHWELCOME;
1071 if (hwa->priv_data_size) {
1072 avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
1073 if (!avctx->internal->hwaccel_priv_data)
1074 return AVERROR(ENOMEM);
1078 ret = hwa->init(avctx);
1080 av_freep(&avctx->internal->hwaccel_priv_data);
1085 avctx->hwaccel = hwa;
1090 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
1092 const AVPixFmtDescriptor *desc;
1093 enum AVPixelFormat *choices;
1094 enum AVPixelFormat ret;
1097 while (fmt[n] != AV_PIX_FMT_NONE)
1101 avctx->sw_pix_fmt = fmt[n - 1];
1102 av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
1104 choices = av_malloc_array(n + 1, sizeof(*choices));
1106 return AV_PIX_FMT_NONE;
1108 memcpy(choices, fmt, (n + 1) * sizeof(*choices));
1111 if (avctx->hwaccel && avctx->hwaccel->uninit)
1112 avctx->hwaccel->uninit(avctx);
1113 av_freep(&avctx->internal->hwaccel_priv_data);
1114 avctx->hwaccel = NULL;
1116 ret = avctx->get_format(avctx, choices);
1118 desc = av_pix_fmt_desc_get(ret);
1120 ret = AV_PIX_FMT_NONE;
1124 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1126 #if FF_API_CAP_VDPAU
1127 if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
1131 if (!setup_hwaccel(avctx, ret, desc->name))
1134 /* Remove failed hwaccel from choices */
1135 for (n = 0; choices[n] != ret; n++)
1136 av_assert0(choices[n] != AV_PIX_FMT_NONE);
1139 choices[n] = choices[n + 1];
1140 while (choices[n++] != AV_PIX_FMT_NONE);
1147 MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
1148 MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
1149 MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
1150 MAKE_ACCESSORS(AVCodecContext, codec, int, seek_preroll)
1151 MAKE_ACCESSORS(AVCodecContext, codec, uint16_t*, chroma_intra_matrix)
1153 unsigned av_codec_get_codec_properties(const AVCodecContext *codec)
1155 return codec->properties;
1158 int av_codec_get_max_lowres(const AVCodec *codec)
1160 return codec->max_lowres;
1163 static void get_subtitle_defaults(AVSubtitle *sub)
1165 memset(sub, 0, sizeof(*sub));
1166 sub->pts = AV_NOPTS_VALUE;
1169 static int64_t get_bit_rate(AVCodecContext *ctx)
1172 int bits_per_sample;
1174 switch (ctx->codec_type) {
1175 case AVMEDIA_TYPE_VIDEO:
1176 case AVMEDIA_TYPE_DATA:
1177 case AVMEDIA_TYPE_SUBTITLE:
1178 case AVMEDIA_TYPE_ATTACHMENT:
1179 bit_rate = ctx->bit_rate;
1181 case AVMEDIA_TYPE_AUDIO:
1182 bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
1183 bit_rate = bits_per_sample ? ctx->sample_rate * (int64_t)ctx->channels * bits_per_sample : ctx->bit_rate;
1192 int attribute_align_arg ff_codec_open2_recursive(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1196 ff_unlock_avcodec(codec);
1198 ret = avcodec_open2(avctx, codec, options);
1200 ff_lock_avcodec(avctx, codec);
1204 int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
1207 AVDictionary *tmp = NULL;
1208 const AVPixFmtDescriptor *pixdesc;
1210 if (avcodec_is_open(avctx))
1213 if ((!codec && !avctx->codec)) {
1214 av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2()\n");
1215 return AVERROR(EINVAL);
1217 if ((codec && avctx->codec && codec != avctx->codec)) {
1218 av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
1219 "but %s passed to avcodec_open2()\n", avctx->codec->name, codec->name);
1220 return AVERROR(EINVAL);
1223 codec = avctx->codec;
1225 if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
1226 return AVERROR(EINVAL);
1229 av_dict_copy(&tmp, *options, 0);
1231 ret = ff_lock_avcodec(avctx, codec);
1235 avctx->internal = av_mallocz(sizeof(AVCodecInternal));
1236 if (!avctx->internal) {
1237 ret = AVERROR(ENOMEM);
1241 avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
1242 if (!avctx->internal->pool) {
1243 ret = AVERROR(ENOMEM);
1247 avctx->internal->to_free = av_frame_alloc();
1248 if (!avctx->internal->to_free) {
1249 ret = AVERROR(ENOMEM);
1253 if (codec->priv_data_size > 0) {
1254 if (!avctx->priv_data) {
1255 avctx->priv_data = av_mallocz(codec->priv_data_size);
1256 if (!avctx->priv_data) {
1257 ret = AVERROR(ENOMEM);
1260 if (codec->priv_class) {
1261 *(const AVClass **)avctx->priv_data = codec->priv_class;
1262 av_opt_set_defaults(avctx->priv_data);
1265 if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
1268 avctx->priv_data = NULL;
1270 if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
1273 if (avctx->codec_whitelist && av_match_list(codec->name, avctx->codec_whitelist, ',') <= 0) {
1274 av_log(avctx, AV_LOG_ERROR, "Codec (%s) not on whitelist \'%s\'\n", codec->name, avctx->codec_whitelist);
1275 ret = AVERROR(EINVAL);
1279 // only call ff_set_dimensions() for non H.264/VP6F/DXV codecs so as not to overwrite previously setup dimensions
1280 if (!(avctx->coded_width && avctx->coded_height && avctx->width && avctx->height &&
1281 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_VP6F || avctx->codec_id == AV_CODEC_ID_DXV))) {
1282 if (avctx->coded_width && avctx->coded_height)
1283 ret = ff_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
1284 else if (avctx->width && avctx->height)
1285 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
1290 if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
1291 && ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
1292 || av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
1293 av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
1294 ff_set_dimensions(avctx, 0, 0);
1297 if (avctx->width > 0 && avctx->height > 0) {
1298 if (av_image_check_sar(avctx->width, avctx->height,
1299 avctx->sample_aspect_ratio) < 0) {
1300 av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
1301 avctx->sample_aspect_ratio.num,
1302 avctx->sample_aspect_ratio.den);
1303 avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
1307 /* if the decoder init function was already called previously,
1308 * free the already allocated subtitle_header before overwriting it */
1309 if (av_codec_is_decoder(codec))
1310 av_freep(&avctx->subtitle_header);
1312 if (avctx->channels > FF_SANE_NB_CHANNELS) {
1313 ret = AVERROR(EINVAL);
1317 avctx->codec = codec;
1318 if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
1319 avctx->codec_id == AV_CODEC_ID_NONE) {
1320 avctx->codec_type = codec->type;
1321 avctx->codec_id = codec->id;
1323 if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
1324 && avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
1325 av_log(avctx, AV_LOG_ERROR, "Codec type or id mismatches\n");
1326 ret = AVERROR(EINVAL);
1329 avctx->frame_number = 0;
1330 avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
1332 if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) &&
1333 avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1334 const char *codec_string = av_codec_is_encoder(codec) ? "encoder" : "decoder";
1336 av_log(avctx, AV_LOG_ERROR,
1337 "The %s '%s' is experimental but experimental codecs are not enabled, "
1338 "add '-strict %d' if you want to use it.\n",
1339 codec_string, codec->name, FF_COMPLIANCE_EXPERIMENTAL);
1340 codec2 = av_codec_is_encoder(codec) ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id);
1341 if (!(codec2->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
1342 av_log(avctx, AV_LOG_ERROR, "Alternatively use the non experimental %s '%s'.\n",
1343 codec_string, codec2->name);
1344 ret = AVERROR_EXPERIMENTAL;
1348 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
1349 (!avctx->time_base.num || !avctx->time_base.den)) {
1350 avctx->time_base.num = 1;
1351 avctx->time_base.den = avctx->sample_rate;
1355 av_log(avctx, AV_LOG_WARNING, "Warning: not compiled with thread support, using thread emulation\n");
1357 if (CONFIG_FRAME_THREAD_ENCODER && av_codec_is_encoder(avctx->codec)) {
1358 ff_unlock_avcodec(codec); //we will instantiate a few encoders thus kick the counter to prevent false detection of a problem
1359 ret = ff_frame_thread_encoder_init(avctx, options ? *options : NULL);
1360 ff_lock_avcodec(avctx, codec);
1366 && !(avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))) {
1367 ret = ff_thread_init(avctx);
1372 if (!HAVE_THREADS && !(codec->capabilities & AV_CODEC_CAP_AUTO_THREADS))
1373 avctx->thread_count = 1;
1375 if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) {
1376 av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
1377 avctx->codec->max_lowres);
1378 ret = AVERROR(EINVAL);
1383 if (avctx->debug_mv)
1384 av_log(avctx, AV_LOG_WARNING, "The 'vismv' option is deprecated, "
1385 "see the codecview filter instead.\n");
1388 if (av_codec_is_encoder(avctx->codec)) {
1390 #if FF_API_CODED_FRAME
1391 FF_DISABLE_DEPRECATION_WARNINGS
1392 avctx->coded_frame = av_frame_alloc();
1393 if (!avctx->coded_frame) {
1394 ret = AVERROR(ENOMEM);
1397 FF_ENABLE_DEPRECATION_WARNINGS
1399 if (avctx->codec->sample_fmts) {
1400 for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
1401 if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
1403 if (avctx->channels == 1 &&
1404 av_get_planar_sample_fmt(avctx->sample_fmt) ==
1405 av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
1406 avctx->sample_fmt = avctx->codec->sample_fmts[i];
1410 if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
1412 snprintf(buf, sizeof(buf), "%d", avctx->sample_fmt);
1413 av_log(avctx, AV_LOG_ERROR, "Specified sample format %s is invalid or not supported\n",
1414 (char *)av_x_if_null(av_get_sample_fmt_name(avctx->sample_fmt), buf));
1415 ret = AVERROR(EINVAL);
1419 if (avctx->codec->pix_fmts) {
1420 for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
1421 if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
1423 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE
1424 && !((avctx->codec_id == AV_CODEC_ID_MJPEG || avctx->codec_id == AV_CODEC_ID_LJPEG)
1425 && avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
1427 snprintf(buf, sizeof(buf), "%d", avctx->pix_fmt);
1428 av_log(avctx, AV_LOG_ERROR, "Specified pixel format %s is invalid or not supported\n",
1429 (char *)av_x_if_null(av_get_pix_fmt_name(avctx->pix_fmt), buf));
1430 ret = AVERROR(EINVAL);
1433 if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
1434 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ411P ||
1435 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
1436 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
1437 avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
1438 avctx->color_range = AVCOL_RANGE_JPEG;
1440 if (avctx->codec->supported_samplerates) {
1441 for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
1442 if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
1444 if (avctx->codec->supported_samplerates[i] == 0) {
1445 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1446 avctx->sample_rate);
1447 ret = AVERROR(EINVAL);
1451 if (avctx->sample_rate < 0) {
1452 av_log(avctx, AV_LOG_ERROR, "Specified sample rate %d is not supported\n",
1453 avctx->sample_rate);
1454 ret = AVERROR(EINVAL);
1457 if (avctx->codec->channel_layouts) {
1458 if (!avctx->channel_layout) {
1459 av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
1461 for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
1462 if (avctx->channel_layout == avctx->codec->channel_layouts[i])
1464 if (avctx->codec->channel_layouts[i] == 0) {
1466 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1467 av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
1468 ret = AVERROR(EINVAL);
1473 if (avctx->channel_layout && avctx->channels) {
1474 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1475 if (channels != avctx->channels) {
1477 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1478 av_log(avctx, AV_LOG_ERROR,
1479 "Channel layout '%s' with %d channels does not match number of specified channels %d\n",
1480 buf, channels, avctx->channels);
1481 ret = AVERROR(EINVAL);
1484 } else if (avctx->channel_layout) {
1485 avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1487 if (avctx->channels < 0) {
1488 av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
1490 ret = AVERROR(EINVAL);
1493 if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
1494 pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
1495 if ( avctx->bits_per_raw_sample < 0
1496 || (avctx->bits_per_raw_sample > 8 && pixdesc->comp[0].depth <= 8)) {
1497 av_log(avctx, AV_LOG_WARNING, "Specified bit depth %d not possible with the specified pixel formats depth %d\n",
1498 avctx->bits_per_raw_sample, pixdesc->comp[0].depth);
1499 avctx->bits_per_raw_sample = pixdesc->comp[0].depth;
1501 if (avctx->width <= 0 || avctx->height <= 0) {
1502 av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");
1503 ret = AVERROR(EINVAL);
1507 if ( (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
1508 && avctx->bit_rate>0 && avctx->bit_rate<1000) {
1509 av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", (int64_t)avctx->bit_rate, (int64_t)avctx->bit_rate);
1512 if (!avctx->rc_initial_buffer_occupancy)
1513 avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
1515 if (avctx->ticks_per_frame && avctx->time_base.num &&
1516 avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
1517 av_log(avctx, AV_LOG_ERROR,
1518 "ticks_per_frame %d too large for the timebase %d/%d.",
1519 avctx->ticks_per_frame,
1520 avctx->time_base.num,
1521 avctx->time_base.den);
1525 if (avctx->hw_frames_ctx) {
1526 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
1527 if (frames_ctx->format != avctx->pix_fmt) {
1528 av_log(avctx, AV_LOG_ERROR,
1529 "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
1530 ret = AVERROR(EINVAL);
1536 avctx->pts_correction_num_faulty_pts =
1537 avctx->pts_correction_num_faulty_dts = 0;
1538 avctx->pts_correction_last_pts =
1539 avctx->pts_correction_last_dts = INT64_MIN;
1541 if ( !CONFIG_GRAY && avctx->flags & AV_CODEC_FLAG_GRAY
1542 && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO)
1543 av_log(avctx, AV_LOG_WARNING,
1544 "gray decoding requested but not enabled at configuration time\n");
1546 if ( avctx->codec->init && (!(avctx->active_thread_type&FF_THREAD_FRAME)
1547 || avctx->internal->frame_thread_encoder)) {
1548 ret = avctx->codec->init(avctx);
1556 #if FF_API_AUDIOENC_DELAY
1557 if (av_codec_is_encoder(avctx->codec))
1558 avctx->delay = avctx->initial_padding;
1561 if (av_codec_is_decoder(avctx->codec)) {
1562 if (!avctx->bit_rate)
1563 avctx->bit_rate = get_bit_rate(avctx);
1564 /* validate channel layout from the decoder */
1565 if (avctx->channel_layout) {
1566 int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
1567 if (!avctx->channels)
1568 avctx->channels = channels;
1569 else if (channels != avctx->channels) {
1571 av_get_channel_layout_string(buf, sizeof(buf), -1, avctx->channel_layout);
1572 av_log(avctx, AV_LOG_WARNING,
1573 "Channel layout '%s' with %d channels does not match specified number of channels %d: "
1574 "ignoring specified channel layout\n",
1575 buf, channels, avctx->channels);
1576 avctx->channel_layout = 0;
1579 if (avctx->channels && avctx->channels < 0 ||
1580 avctx->channels > FF_SANE_NB_CHANNELS) {
1581 ret = AVERROR(EINVAL);
1584 if (avctx->sub_charenc) {
1585 if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
1586 av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
1587 "supported with subtitles codecs\n");
1588 ret = AVERROR(EINVAL);
1590 } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
1591 av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
1592 "subtitles character encoding will be ignored\n",
1593 avctx->codec_descriptor->name);
1594 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
1596 /* input character encoding is set for a text based subtitle
1597 * codec at this point */
1598 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
1599 avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
1601 if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
1603 iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
1604 if (cd == (iconv_t)-1) {
1605 ret = AVERROR(errno);
1606 av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
1607 "with input character encoding \"%s\"\n", avctx->sub_charenc);
1612 av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
1613 "conversion needs a libavcodec built with iconv support "
1614 "for this codec\n");
1615 ret = AVERROR(ENOSYS);
1622 #if FF_API_AVCTX_TIMEBASE
1623 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1624 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
1627 if (codec->priv_data_size > 0 && avctx->priv_data && codec->priv_class) {
1628 av_assert0(*(const AVClass **)avctx->priv_data == codec->priv_class);
1632 ff_unlock_avcodec(codec);
1634 av_dict_free(options);
1641 (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
1642 avctx->codec->close(avctx);
1644 if (codec->priv_class && codec->priv_data_size)
1645 av_opt_free(avctx->priv_data);
1648 #if FF_API_CODED_FRAME
1649 FF_DISABLE_DEPRECATION_WARNINGS
1650 av_frame_free(&avctx->coded_frame);
1651 FF_ENABLE_DEPRECATION_WARNINGS
1655 av_freep(&avctx->priv_data);
1656 if (avctx->internal) {
1657 av_frame_free(&avctx->internal->to_free);
1658 av_freep(&avctx->internal->pool);
1660 av_freep(&avctx->internal);
1661 avctx->codec = NULL;
1665 int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
1667 if (avpkt->size < 0) {
1668 av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
1669 return AVERROR(EINVAL);
1671 if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
1672 av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
1673 size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
1674 return AVERROR(EINVAL);
1677 if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
1678 av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
1679 if (!avpkt->data || avpkt->size < size) {
1680 av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
1681 avpkt->data = avctx->internal->byte_buffer;
1682 avpkt->size = avctx->internal->byte_buffer_size;
1687 AVBufferRef *buf = avpkt->buf;
1689 if (avpkt->size < size) {
1690 av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
1691 return AVERROR(EINVAL);
1694 av_init_packet(avpkt);
1699 int ret = av_new_packet(avpkt, size);
1701 av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
1706 int ff_alloc_packet(AVPacket *avpkt, int size)
1708 return ff_alloc_packet2(NULL, avpkt, size, 0);
1712 * Pad last frame with silence.
1714 static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
1716 AVFrame *frame = NULL;
1719 if (!(frame = av_frame_alloc()))
1720 return AVERROR(ENOMEM);
1722 frame->format = src->format;
1723 frame->channel_layout = src->channel_layout;
1724 av_frame_set_channels(frame, av_frame_get_channels(src));
1725 frame->nb_samples = s->frame_size;
1726 ret = av_frame_get_buffer(frame, 32);
1730 ret = av_frame_copy_props(frame, src);
1734 if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
1735 src->nb_samples, s->channels, s->sample_fmt)) < 0)
1737 if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
1738 frame->nb_samples - src->nb_samples,
1739 s->channels, s->sample_fmt)) < 0)
1747 av_frame_free(&frame);
1751 int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
1753 const AVFrame *frame,
1754 int *got_packet_ptr)
1756 AVFrame *extended_frame = NULL;
1757 AVFrame *padded_frame = NULL;
1759 AVPacket user_pkt = *avpkt;
1760 int needs_realloc = !user_pkt.data;
1762 *got_packet_ptr = 0;
1764 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1765 av_packet_unref(avpkt);
1766 av_init_packet(avpkt);
1770 /* ensure that extended_data is properly set */
1771 if (frame && !frame->extended_data) {
1772 if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
1773 avctx->channels > AV_NUM_DATA_POINTERS) {
1774 av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
1775 "with more than %d channels, but extended_data is not set.\n",
1776 AV_NUM_DATA_POINTERS);
1777 return AVERROR(EINVAL);
1779 av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
1781 extended_frame = av_frame_alloc();
1782 if (!extended_frame)
1783 return AVERROR(ENOMEM);
1785 memcpy(extended_frame, frame, sizeof(AVFrame));
1786 extended_frame->extended_data = extended_frame->data;
1787 frame = extended_frame;
1790 /* extract audio service type metadata */
1792 AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
1793 if (sd && sd->size >= sizeof(enum AVAudioServiceType))
1794 avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
1797 /* check for valid frame size */
1799 if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
1800 if (frame->nb_samples > avctx->frame_size) {
1801 av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
1802 ret = AVERROR(EINVAL);
1805 } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1806 if (frame->nb_samples < avctx->frame_size &&
1807 !avctx->internal->last_audio_frame) {
1808 ret = pad_last_frame(avctx, &padded_frame, frame);
1812 frame = padded_frame;
1813 avctx->internal->last_audio_frame = 1;
1816 if (frame->nb_samples != avctx->frame_size) {
1817 av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
1818 ret = AVERROR(EINVAL);
1824 av_assert0(avctx->codec->encode2);
1826 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1828 if (*got_packet_ptr) {
1829 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
1830 if (avpkt->pts == AV_NOPTS_VALUE)
1831 avpkt->pts = frame->pts;
1832 if (!avpkt->duration)
1833 avpkt->duration = ff_samples_to_time_base(avctx,
1836 avpkt->dts = avpkt->pts;
1841 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1843 if (user_pkt.data) {
1844 if (user_pkt.size >= avpkt->size) {
1845 memcpy(user_pkt.data, avpkt->data, avpkt->size);
1847 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
1848 avpkt->size = user_pkt.size;
1851 avpkt->buf = user_pkt.buf;
1852 avpkt->data = user_pkt.data;
1854 if (av_dup_packet(avpkt) < 0) {
1855 ret = AVERROR(ENOMEM);
1861 if (needs_realloc && avpkt->data) {
1862 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
1864 avpkt->data = avpkt->buf->data;
1867 avctx->frame_number++;
1870 if (ret < 0 || !*got_packet_ptr) {
1871 av_packet_unref(avpkt);
1872 av_init_packet(avpkt);
1876 /* NOTE: if we add any audio encoders which output non-keyframe packets,
1877 * this needs to be moved to the encoders, but for now we can do it
1878 * here to simplify things */
1879 avpkt->flags |= AV_PKT_FLAG_KEY;
1882 av_frame_free(&padded_frame);
1883 av_free(extended_frame);
1885 #if FF_API_AUDIOENC_DELAY
1886 avctx->delay = avctx->initial_padding;
1892 int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
1894 const AVFrame *frame,
1895 int *got_packet_ptr)
1898 AVPacket user_pkt = *avpkt;
1899 int needs_realloc = !user_pkt.data;
1901 *got_packet_ptr = 0;
1903 if(CONFIG_FRAME_THREAD_ENCODER &&
1904 avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
1905 return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
1907 if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
1908 avctx->stats_out[0] = '\0';
1910 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
1911 av_packet_unref(avpkt);
1912 av_init_packet(avpkt);
1917 if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
1918 return AVERROR(EINVAL);
1920 if (frame && frame->format == AV_PIX_FMT_NONE)
1921 av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
1922 if (frame && (frame->width == 0 || frame->height == 0))
1923 av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
1925 av_assert0(avctx->codec->encode2);
1927 ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
1928 av_assert0(ret <= 0);
1930 if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
1932 if (user_pkt.data) {
1933 if (user_pkt.size >= avpkt->size) {
1934 memcpy(user_pkt.data, avpkt->data, avpkt->size);
1936 av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
1937 avpkt->size = user_pkt.size;
1940 avpkt->buf = user_pkt.buf;
1941 avpkt->data = user_pkt.data;
1943 if (av_dup_packet(avpkt) < 0) {
1944 ret = AVERROR(ENOMEM);
1950 if (!*got_packet_ptr)
1952 else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
1953 avpkt->pts = avpkt->dts = frame->pts;
1955 if (needs_realloc && avpkt->data) {
1956 ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
1958 avpkt->data = avpkt->buf->data;
1961 avctx->frame_number++;
1964 if (ret < 0 || !*got_packet_ptr)
1965 av_packet_unref(avpkt);
1971 int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
1972 const AVSubtitle *sub)
1975 if (sub->start_display_time) {
1976 av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
1980 ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
1981 avctx->frame_number++;
1986 * Attempt to guess proper monotonic timestamps for decoded video frames
1987 * which might have incorrect times. Input timestamps may wrap around, in
1988 * which case the output will as well.
1990 * @param pts the pts field of the decoded AVPacket, as passed through
1992 * @param dts the dts field of the decoded AVPacket
1993 * @return one of the input values, may be AV_NOPTS_VALUE
1995 static int64_t guess_correct_pts(AVCodecContext *ctx,
1996 int64_t reordered_pts, int64_t dts)
1998 int64_t pts = AV_NOPTS_VALUE;
2000 if (dts != AV_NOPTS_VALUE) {
2001 ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
2002 ctx->pts_correction_last_dts = dts;
2003 } else if (reordered_pts != AV_NOPTS_VALUE)
2004 ctx->pts_correction_last_dts = reordered_pts;
2006 if (reordered_pts != AV_NOPTS_VALUE) {
2007 ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
2008 ctx->pts_correction_last_pts = reordered_pts;
2009 } else if(dts != AV_NOPTS_VALUE)
2010 ctx->pts_correction_last_pts = dts;
2012 if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
2013 && reordered_pts != AV_NOPTS_VALUE)
2014 pts = reordered_pts;
2021 static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
2024 const uint8_t *data;
2028 data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
2032 if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
2033 av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
2034 "changes, but PARAM_CHANGE side data was sent to it.\n");
2035 ret = AVERROR(EINVAL);
2042 flags = bytestream_get_le32(&data);
2045 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
2048 val = bytestream_get_le32(&data);
2049 if (val <= 0 || val > INT_MAX) {
2050 av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
2051 ret = AVERROR_INVALIDDATA;
2054 avctx->channels = val;
2057 if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
2060 avctx->channel_layout = bytestream_get_le64(&data);
2063 if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
2066 val = bytestream_get_le32(&data);
2067 if (val <= 0 || val > INT_MAX) {
2068 av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
2069 ret = AVERROR_INVALIDDATA;
2072 avctx->sample_rate = val;
2075 if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
2078 avctx->width = bytestream_get_le32(&data);
2079 avctx->height = bytestream_get_le32(&data);
2081 ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
2088 av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
2089 ret = AVERROR_INVALIDDATA;
2092 av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
2093 if (avctx->err_recognition & AV_EF_EXPLODE)
2099 static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
2103 /* move the original frame to our backup */
2104 av_frame_unref(avci->to_free);
2105 av_frame_move_ref(avci->to_free, frame);
2107 /* now copy everything except the AVBufferRefs back
2108 * note that we make a COPY of the side data, so calling av_frame_free() on
2109 * the caller's frame will work properly */
2110 ret = av_frame_copy_props(frame, avci->to_free);
2114 memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
2115 memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
2116 if (avci->to_free->extended_data != avci->to_free->data) {
2117 int planes = av_frame_get_channels(avci->to_free);
2118 int size = planes * sizeof(*frame->extended_data);
2121 av_frame_unref(frame);
2125 frame->extended_data = av_malloc(size);
2126 if (!frame->extended_data) {
2127 av_frame_unref(frame);
2128 return AVERROR(ENOMEM);
2130 memcpy(frame->extended_data, avci->to_free->extended_data,
2133 frame->extended_data = frame->data;
2135 frame->format = avci->to_free->format;
2136 frame->width = avci->to_free->width;
2137 frame->height = avci->to_free->height;
2138 frame->channel_layout = avci->to_free->channel_layout;
2139 frame->nb_samples = avci->to_free->nb_samples;
2140 av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
2145 int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
2146 int *got_picture_ptr,
2147 const AVPacket *avpkt)
2149 AVCodecInternal *avci = avctx->internal;
2151 // copy to ensure we do not change avpkt
2152 AVPacket tmp = *avpkt;
2155 return AVERROR(EINVAL);
2156 if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
2157 av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
2158 return AVERROR(EINVAL);
2161 *got_picture_ptr = 0;
2162 if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
2163 return AVERROR(EINVAL);
2165 av_frame_unref(picture);
2167 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
2168 (avctx->active_thread_type & FF_THREAD_FRAME)) {
2169 int did_split = av_packet_split_side_data(&tmp);
2170 ret = apply_param_change(avctx, &tmp);
2174 avctx->internal->pkt = &tmp;
2175 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2176 ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
2179 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
2181 if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
2182 picture->pkt_dts = avpkt->dts;
2184 if(!avctx->has_b_frames){
2185 av_frame_set_pkt_pos(picture, avpkt->pos);
2187 //FIXME these should be under if(!avctx->has_b_frames)
2188 /* get_buffer is supposed to set frame parameters */
2189 if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
2190 if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
2191 if (!picture->width) picture->width = avctx->width;
2192 if (!picture->height) picture->height = avctx->height;
2193 if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
2198 emms_c(); //needed to avoid an emms_c() call before every return;
2200 avctx->internal->pkt = NULL;
2202 av_packet_free_side_data(&tmp);
2207 if (*got_picture_ptr) {
2208 if (!avctx->refcounted_frames) {
2209 int err = unrefcount_frame(avci, picture);
2214 avctx->frame_number++;
2215 av_frame_set_best_effort_timestamp(picture,
2216 guess_correct_pts(avctx,
2220 av_frame_unref(picture);
2224 /* many decoders assign whole AVFrames, thus overwriting extended_data;
2225 * make sure it's set correctly */
2226 av_assert0(!picture->extended_data || picture->extended_data == picture->data);
2228 #if FF_API_AVCTX_TIMEBASE
2229 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
2230 avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
2236 int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
2239 const AVPacket *avpkt)
2241 AVCodecInternal *avci = avctx->internal;
2246 if (!avpkt->data && avpkt->size) {
2247 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2248 return AVERROR(EINVAL);
2251 return AVERROR(EINVAL);
2252 if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
2253 av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
2254 return AVERROR(EINVAL);
2257 av_frame_unref(frame);
2259 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
2262 uint32_t discard_padding = 0;
2263 uint8_t skip_reason = 0;
2264 uint8_t discard_reason = 0;
2265 // copy to ensure we do not change avpkt
2266 AVPacket tmp = *avpkt;
2267 int did_split = av_packet_split_side_data(&tmp);
2268 ret = apply_param_change(avctx, &tmp);
2272 avctx->internal->pkt = &tmp;
2273 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
2274 ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
2276 ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
2277 av_assert0(ret <= tmp.size);
2278 frame->pkt_dts = avpkt->dts;
2280 if (ret >= 0 && *got_frame_ptr) {
2281 avctx->frame_number++;
2282 av_frame_set_best_effort_timestamp(frame,
2283 guess_correct_pts(avctx,
2286 if (frame->format == AV_SAMPLE_FMT_NONE)
2287 frame->format = avctx->sample_fmt;
2288 if (!frame->channel_layout)
2289 frame->channel_layout = avctx->channel_layout;
2290 if (!av_frame_get_channels(frame))
2291 av_frame_set_channels(frame, avctx->channels);
2292 if (!frame->sample_rate)
2293 frame->sample_rate = avctx->sample_rate;
2296 side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
2297 if(side && side_size>=10) {
2298 avctx->internal->skip_samples = AV_RL32(side);
2299 discard_padding = AV_RL32(side + 4);
2300 av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
2301 avctx->internal->skip_samples, (int)discard_padding);
2302 skip_reason = AV_RL8(side + 8);
2303 discard_reason = AV_RL8(side + 9);
2305 if (avctx->internal->skip_samples && *got_frame_ptr &&
2306 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2307 if(frame->nb_samples <= avctx->internal->skip_samples){
2309 avctx->internal->skip_samples -= frame->nb_samples;
2310 av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
2311 avctx->internal->skip_samples);
2313 av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
2314 frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
2315 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2316 int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
2317 (AVRational){1, avctx->sample_rate},
2318 avctx->pkt_timebase);
2319 if(frame->pkt_pts!=AV_NOPTS_VALUE)
2320 frame->pkt_pts += diff_ts;
2321 if(frame->pkt_dts!=AV_NOPTS_VALUE)
2322 frame->pkt_dts += diff_ts;
2323 if (av_frame_get_pkt_duration(frame) >= diff_ts)
2324 av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
2326 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
2328 av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
2329 avctx->internal->skip_samples, frame->nb_samples);
2330 frame->nb_samples -= avctx->internal->skip_samples;
2331 avctx->internal->skip_samples = 0;
2335 if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
2336 !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
2337 if (discard_padding == frame->nb_samples) {
2340 if(avctx->pkt_timebase.num && avctx->sample_rate) {
2341 int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
2342 (AVRational){1, avctx->sample_rate},
2343 avctx->pkt_timebase);
2344 av_frame_set_pkt_duration(frame, diff_ts);
2346 av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
2348 av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
2349 (int)discard_padding, frame->nb_samples);
2350 frame->nb_samples -= discard_padding;
2354 if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
2355 AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
2357 AV_WL32(fside->data, avctx->internal->skip_samples);
2358 AV_WL32(fside->data + 4, discard_padding);
2359 AV_WL8(fside->data + 8, skip_reason);
2360 AV_WL8(fside->data + 9, discard_reason);
2361 avctx->internal->skip_samples = 0;
2365 avctx->internal->pkt = NULL;
2367 av_packet_free_side_data(&tmp);
2372 if (ret >= 0 && *got_frame_ptr) {
2373 if (!avctx->refcounted_frames) {
2374 int err = unrefcount_frame(avci, frame);
2379 av_frame_unref(frame);
2385 #define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
2386 static int recode_subtitle(AVCodecContext *avctx,
2387 AVPacket *outpkt, const AVPacket *inpkt)
2390 iconv_t cd = (iconv_t)-1;
2397 if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
2401 cd = iconv_open("UTF-8", avctx->sub_charenc);
2402 av_assert0(cd != (iconv_t)-1);
2407 if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
2408 av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
2409 ret = AVERROR(ENOMEM);
2413 ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
2416 outpkt->buf = tmp.buf;
2417 outpkt->data = tmp.data;
2418 outpkt->size = tmp.size;
2419 outb = outpkt->data;
2420 outl = outpkt->size;
2422 if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
2423 iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
2424 outl >= outpkt->size || inl != 0) {
2425 ret = FFMIN(AVERROR(errno), -1);
2426 av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
2427 "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
2428 av_packet_unref(&tmp);
2431 outpkt->size -= outl;
2432 memset(outpkt->data + outpkt->size, 0, outl);
2435 if (cd != (iconv_t)-1)
2439 av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
2440 return AVERROR(EINVAL);
2444 static int utf8_check(const uint8_t *str)
2446 const uint8_t *byte;
2447 uint32_t codepoint, min;
2451 GET_UTF8(codepoint, *(byte++), return 0;);
2452 min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
2453 1 << (5 * (byte - str) - 4);
2454 if (codepoint < min || codepoint >= 0x110000 ||
2455 codepoint == 0xFFFE /* BOM */ ||
2456 codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
2463 #if FF_API_ASS_TIMING
2464 static void insert_ts(AVBPrint *buf, int ts)
2467 av_bprintf(buf, "9:59:59.99,");
2471 h = ts/360000; ts -= 360000*h;
2472 m = ts/ 6000; ts -= 6000*m;
2473 s = ts/ 100; ts -= 100*s;
2474 av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
2478 static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
2483 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
2485 for (i = 0; i < sub->num_rects; i++) {
2488 AVSubtitleRect *rect = sub->rects[i];
2489 int ts_start, ts_duration = -1;
2492 if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
2495 av_bprint_clear(&buf);
2497 /* skip ReadOrder */
2498 dialog = strchr(rect->ass, ',');
2503 /* extract Layer or Marked */
2504 layer = strtol(dialog, (char**)&dialog, 10);
2509 /* rescale timing to ASS time base (ms) */
2510 ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
2511 if (pkt->duration != -1)
2512 ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
2513 sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
2515 /* construct ASS (standalone file form with timestamps) string */
2516 av_bprintf(&buf, "Dialogue: %ld,", layer);
2517 insert_ts(&buf, ts_start);
2518 insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
2519 av_bprintf(&buf, "%s\r\n", dialog);
2521 final_dialog = av_strdup(buf.str);
2522 if (!av_bprint_is_complete(&buf) || !final_dialog) {
2523 av_freep(&final_dialog);
2524 av_bprint_finalize(&buf, NULL);
2525 return AVERROR(ENOMEM);
2527 av_freep(&rect->ass);
2528 rect->ass = final_dialog;
2531 av_bprint_finalize(&buf, NULL);
2536 int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
2542 if (!avpkt->data && avpkt->size) {
2543 av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
2544 return AVERROR(EINVAL);
2547 return AVERROR(EINVAL);
2548 if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
2549 av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
2550 return AVERROR(EINVAL);
2554 get_subtitle_defaults(sub);
2556 if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
2557 AVPacket pkt_recoded;
2558 AVPacket tmp = *avpkt;
2559 int did_split = av_packet_split_side_data(&tmp);
2560 //apply_param_change(avctx, &tmp);
2563 /* FFMIN() prevents overflow in case the packet wasn't allocated with
2565 * If the side data is smaller than the buffer padding size, the
2566 * remaining bytes should have already been filled with zeros by the
2567 * original packet allocation anyway. */
2568 memset(tmp.data + tmp.size, 0,
2569 FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
2573 ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
2577 avctx->internal->pkt = &pkt_recoded;
2579 if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
2580 sub->pts = av_rescale_q(avpkt->pts,
2581 avctx->pkt_timebase, AV_TIME_BASE_Q);
2582 ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
2583 av_assert1((ret >= 0) >= !!*got_sub_ptr &&
2584 !!*got_sub_ptr >= !!sub->num_rects);
2586 #if FF_API_ASS_TIMING
2587 if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
2588 && *got_sub_ptr && sub->num_rects) {
2589 const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
2591 ret = convert_sub_to_old_ass_form(sub, avpkt, tb);
2595 if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
2596 avctx->pkt_timebase.num) {
2597 AVRational ms = { 1, 1000 };
2598 sub->end_display_time = av_rescale_q(avpkt->duration,
2599 avctx->pkt_timebase, ms);
2602 for (i = 0; i < sub->num_rects; i++) {
2603 if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
2604 av_log(avctx, AV_LOG_ERROR,
2605 "Invalid UTF-8 in decoded subtitles text; "
2606 "maybe missing -sub_charenc option\n");
2607 avsubtitle_free(sub);
2608 return AVERROR_INVALIDDATA;
2612 if (tmp.data != pkt_recoded.data) { // did we recode?
2613 /* prevent from destroying side data from original packet */
2614 pkt_recoded.side_data = NULL;
2615 pkt_recoded.side_data_elems = 0;
2617 av_packet_unref(&pkt_recoded);
2619 if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
2621 else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
2623 avctx->internal->pkt = NULL;
2627 av_packet_free_side_data(&tmp);
2633 avctx->frame_number++;
2639 void avsubtitle_free(AVSubtitle *sub)
2643 for (i = 0; i < sub->num_rects; i++) {
2644 av_freep(&sub->rects[i]->data[0]);
2645 av_freep(&sub->rects[i]->data[1]);
2646 av_freep(&sub->rects[i]->data[2]);
2647 av_freep(&sub->rects[i]->data[3]);
2648 av_freep(&sub->rects[i]->text);
2649 av_freep(&sub->rects[i]->ass);
2650 av_freep(&sub->rects[i]);
2653 av_freep(&sub->rects);
2655 memset(sub, 0, sizeof(AVSubtitle));
2658 av_cold int avcodec_close(AVCodecContext *avctx)
2665 if (avcodec_is_open(avctx)) {
2666 FramePool *pool = avctx->internal->pool;
2667 if (CONFIG_FRAME_THREAD_ENCODER &&
2668 avctx->internal->frame_thread_encoder && avctx->thread_count > 1) {
2669 ff_frame_thread_encoder_free(avctx);
2671 if (HAVE_THREADS && avctx->internal->thread_ctx)
2672 ff_thread_free(avctx);
2673 if (avctx->codec && avctx->codec->close)
2674 avctx->codec->close(avctx);
2675 avctx->internal->byte_buffer_size = 0;
2676 av_freep(&avctx->internal->byte_buffer);
2677 av_frame_free(&avctx->internal->to_free);
2678 for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
2679 av_buffer_pool_uninit(&pool->pools[i]);
2680 av_freep(&avctx->internal->pool);
2682 if (avctx->hwaccel && avctx->hwaccel->uninit)
2683 avctx->hwaccel->uninit(avctx);
2684 av_freep(&avctx->internal->hwaccel_priv_data);
2686 av_freep(&avctx->internal);
2689 for (i = 0; i < avctx->nb_coded_side_data; i++)
2690 av_freep(&avctx->coded_side_data[i].data);
2691 av_freep(&avctx->coded_side_data);
2692 avctx->nb_coded_side_data = 0;
2694 av_buffer_unref(&avctx->hw_frames_ctx);
2696 if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
2697 av_opt_free(avctx->priv_data);
2699 av_freep(&avctx->priv_data);
2700 if (av_codec_is_encoder(avctx->codec)) {
2701 av_freep(&avctx->extradata);
2702 #if FF_API_CODED_FRAME
2703 FF_DISABLE_DEPRECATION_WARNINGS
2704 av_frame_free(&avctx->coded_frame);
2705 FF_ENABLE_DEPRECATION_WARNINGS
2708 avctx->codec = NULL;
2709 avctx->active_thread_type = 0;
2714 static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
2717 //This is for future deprecatec codec ids, its empty since
2718 //last major bump but will fill up again over time, please don't remove it
2719 default : return id;
2723 static AVCodec *find_encdec(enum AVCodecID id, int encoder)
2725 AVCodec *p, *experimental = NULL;
2727 id= remap_deprecated_codec_id(id);
2729 if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
2731 if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
2738 return experimental;
2741 AVCodec *avcodec_find_encoder(enum AVCodecID id)
2743 return find_encdec(id, 1);
2746 AVCodec *avcodec_find_encoder_by_name(const char *name)
2753 if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
2760 AVCodec *avcodec_find_decoder(enum AVCodecID id)
2762 return find_encdec(id, 0);
2765 AVCodec *avcodec_find_decoder_by_name(const char *name)
2772 if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
2779 const char *avcodec_get_name(enum AVCodecID id)
2781 const AVCodecDescriptor *cd;
2784 if (id == AV_CODEC_ID_NONE)
2786 cd = avcodec_descriptor_get(id);
2789 av_log(NULL, AV_LOG_WARNING, "Codec 0x%x is not in the full list.\n", id);
2790 codec = avcodec_find_decoder(id);
2793 codec = avcodec_find_encoder(id);
2796 return "unknown_codec";
2799 size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
2801 int i, len, ret = 0;
2803 #define TAG_PRINT(x) \
2804 (((x) >= '0' && (x) <= '9') || \
2805 ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
2806 ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
2808 for (i = 0; i < 4; i++) {
2809 len = snprintf(buf, buf_size,
2810 TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
2812 buf_size = buf_size > len ? buf_size - len : 0;
2819 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
2821 const char *codec_type;
2822 const char *codec_name;
2823 const char *profile = NULL;
2826 AVRational display_aspect_ratio;
2827 const char *separator = enc->dump_separator ? (const char *)enc->dump_separator : ", ";
2829 if (!buf || buf_size <= 0)
2831 codec_type = av_get_media_type_string(enc->codec_type);
2832 codec_name = avcodec_get_name(enc->codec_id);
2833 profile = avcodec_profile_name(enc->codec_id, enc->profile);
2835 snprintf(buf, buf_size, "%s: %s", codec_type ? codec_type : "unknown",
2837 buf[0] ^= 'a' ^ 'A'; /* first letter in uppercase */
2839 if (enc->codec && strcmp(enc->codec->name, codec_name))
2840 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", enc->codec->name);
2843 snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s)", profile);
2844 if ( enc->codec_type == AVMEDIA_TYPE_VIDEO
2845 && av_log_get_level() >= AV_LOG_VERBOSE
2847 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2848 ", %d reference frame%s",
2849 enc->refs, enc->refs > 1 ? "s" : "");
2851 if (enc->codec_tag) {
2853 av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
2854 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2855 " (%s / 0x%04X)", tag_buf, enc->codec_tag);
2858 switch (enc->codec_type) {
2859 case AVMEDIA_TYPE_VIDEO:
2861 char detail[256] = "(";
2863 av_strlcat(buf, separator, buf_size);
2865 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2866 "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
2867 av_get_pix_fmt_name(enc->pix_fmt));
2868 if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
2869 enc->bits_per_raw_sample < av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth)
2870 av_strlcatf(detail, sizeof(detail), "%d bpc, ", enc->bits_per_raw_sample);
2871 if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
2872 av_strlcatf(detail, sizeof(detail), "%s, ",
2873 av_color_range_name(enc->color_range));
2875 if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
2876 enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
2877 enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
2878 if (enc->colorspace != (int)enc->color_primaries ||
2879 enc->colorspace != (int)enc->color_trc) {
2881 av_strlcatf(detail, sizeof(detail), "%s/%s/%s, ",
2882 av_color_space_name(enc->colorspace),
2883 av_color_primaries_name(enc->color_primaries),
2884 av_color_transfer_name(enc->color_trc));
2886 av_strlcatf(detail, sizeof(detail), "%s, ",
2887 av_get_colorspace_name(enc->colorspace));
2890 if (av_log_get_level() >= AV_LOG_DEBUG &&
2891 enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
2892 av_strlcatf(detail, sizeof(detail), "%s, ",
2893 av_chroma_location_name(enc->chroma_sample_location));
2895 if (strlen(detail) > 1) {
2896 detail[strlen(detail) - 2] = 0;
2897 av_strlcatf(buf, buf_size, "%s)", detail);
2902 av_strlcat(buf, new_line ? separator : ", ", buf_size);
2904 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2906 enc->width, enc->height);
2908 if (av_log_get_level() >= AV_LOG_VERBOSE &&
2909 (enc->width != enc->coded_width ||
2910 enc->height != enc->coded_height))
2911 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2912 " (%dx%d)", enc->coded_width, enc->coded_height);
2914 if (enc->sample_aspect_ratio.num) {
2915 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
2916 enc->width * (int64_t)enc->sample_aspect_ratio.num,
2917 enc->height * (int64_t)enc->sample_aspect_ratio.den,
2919 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2920 " [SAR %d:%d DAR %d:%d]",
2921 enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
2922 display_aspect_ratio.num, display_aspect_ratio.den);
2924 if (av_log_get_level() >= AV_LOG_DEBUG) {
2925 int g = av_gcd(enc->time_base.num, enc->time_base.den);
2926 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2928 enc->time_base.num / g, enc->time_base.den / g);
2932 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2933 ", q=%d-%d", enc->qmin, enc->qmax);
2935 if (enc->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS)
2936 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2937 ", Closed Captions");
2938 if (enc->properties & FF_CODEC_PROPERTY_LOSSLESS)
2939 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2943 case AVMEDIA_TYPE_AUDIO:
2944 av_strlcat(buf, separator, buf_size);
2946 if (enc->sample_rate) {
2947 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2948 "%d Hz, ", enc->sample_rate);
2950 av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
2951 if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
2952 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2953 ", %s", av_get_sample_fmt_name(enc->sample_fmt));
2955 if ( enc->bits_per_raw_sample > 0
2956 && enc->bits_per_raw_sample != av_get_bytes_per_sample(enc->sample_fmt) * 8)
2957 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2958 " (%d bit)", enc->bits_per_raw_sample);
2960 case AVMEDIA_TYPE_DATA:
2961 if (av_log_get_level() >= AV_LOG_DEBUG) {
2962 int g = av_gcd(enc->time_base.num, enc->time_base.den);
2964 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2966 enc->time_base.num / g, enc->time_base.den / g);
2969 case AVMEDIA_TYPE_SUBTITLE:
2971 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2972 ", %dx%d", enc->width, enc->height);
2978 if (enc->flags & AV_CODEC_FLAG_PASS1)
2979 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2981 if (enc->flags & AV_CODEC_FLAG_PASS2)
2982 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2985 bitrate = get_bit_rate(enc);
2987 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2988 ", %"PRId64" kb/s", bitrate / 1000);
2989 } else if (enc->rc_max_rate > 0) {
2990 snprintf(buf + strlen(buf), buf_size - strlen(buf),
2991 ", max. %"PRId64" kb/s", (int64_t)enc->rc_max_rate / 1000);
2995 const char *av_get_profile_name(const AVCodec *codec, int profile)
2998 if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
3001 for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3002 if (p->profile == profile)
3008 const char *avcodec_profile_name(enum AVCodecID codec_id, int profile)
3010 const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
3013 if (profile == FF_PROFILE_UNKNOWN || !desc || !desc->profiles)
3016 for (p = desc->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
3017 if (p->profile == profile)
3023 unsigned avcodec_version(void)
3025 // av_assert0(AV_CODEC_ID_V410==164);
3026 av_assert0(AV_CODEC_ID_PCM_S8_PLANAR==65563);
3027 av_assert0(AV_CODEC_ID_ADPCM_G722==69660);
3028 // av_assert0(AV_CODEC_ID_BMV_AUDIO==86071);
3029 av_assert0(AV_CODEC_ID_SRT==94216);
3030 av_assert0(LIBAVCODEC_VERSION_MICRO >= 100);
3032 return LIBAVCODEC_VERSION_INT;
3035 const char *avcodec_configuration(void)
3037 return FFMPEG_CONFIGURATION;
3040 const char *avcodec_license(void)
3042 #define LICENSE_PREFIX "libavcodec license: "
3043 return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
3046 void avcodec_flush_buffers(AVCodecContext *avctx)
3048 if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
3049 ff_thread_flush(avctx);
3050 else if (avctx->codec->flush)
3051 avctx->codec->flush(avctx);
3053 avctx->pts_correction_last_pts =
3054 avctx->pts_correction_last_dts = INT64_MIN;
3056 if (!avctx->refcounted_frames)
3057 av_frame_unref(avctx->internal->to_free);
3060 int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
3063 case AV_CODEC_ID_8SVX_EXP:
3064 case AV_CODEC_ID_8SVX_FIB:
3065 case AV_CODEC_ID_ADPCM_CT:
3066 case AV_CODEC_ID_ADPCM_IMA_APC:
3067 case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
3068 case AV_CODEC_ID_ADPCM_IMA_OKI:
3069 case AV_CODEC_ID_ADPCM_IMA_WS:
3070 case AV_CODEC_ID_ADPCM_G722:
3071 case AV_CODEC_ID_ADPCM_YAMAHA:
3072 case AV_CODEC_ID_ADPCM_AICA:
3074 case AV_CODEC_ID_DSD_LSBF:
3075 case AV_CODEC_ID_DSD_MSBF:
3076 case AV_CODEC_ID_DSD_LSBF_PLANAR:
3077 case AV_CODEC_ID_DSD_MSBF_PLANAR:
3078 case AV_CODEC_ID_PCM_ALAW:
3079 case AV_CODEC_ID_PCM_MULAW:
3080 case AV_CODEC_ID_PCM_S8:
3081 case AV_CODEC_ID_PCM_S8_PLANAR:
3082 case AV_CODEC_ID_PCM_U8:
3083 case AV_CODEC_ID_PCM_ZORK:
3084 case AV_CODEC_ID_SDX2_DPCM:
3086 case AV_CODEC_ID_PCM_S16BE:
3087 case AV_CODEC_ID_PCM_S16BE_PLANAR:
3088 case AV_CODEC_ID_PCM_S16LE:
3089 case AV_CODEC_ID_PCM_S16LE_PLANAR:
3090 case AV_CODEC_ID_PCM_U16BE:
3091 case AV_CODEC_ID_PCM_U16LE:
3093 case AV_CODEC_ID_PCM_S24DAUD:
3094 case AV_CODEC_ID_PCM_S24BE:
3095 case AV_CODEC_ID_PCM_S24LE:
3096 case AV_CODEC_ID_PCM_S24LE_PLANAR:
3097 case AV_CODEC_ID_PCM_U24BE:
3098 case AV_CODEC_ID_PCM_U24LE:
3100 case AV_CODEC_ID_PCM_S32BE:
3101 case AV_CODEC_ID_PCM_S32LE:
3102 case AV_CODEC_ID_PCM_S32LE_PLANAR:
3103 case AV_CODEC_ID_PCM_U32BE:
3104 case AV_CODEC_ID_PCM_U32LE:
3105 case AV_CODEC_ID_PCM_F32BE:
3106 case AV_CODEC_ID_PCM_F32LE:
3108 case AV_CODEC_ID_PCM_F64BE:
3109 case AV_CODEC_ID_PCM_F64LE:
3116 enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
3118 static const enum AVCodecID map[AV_SAMPLE_FMT_NB][2] = {
3119 [AV_SAMPLE_FMT_U8 ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3120 [AV_SAMPLE_FMT_S16 ] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3121 [AV_SAMPLE_FMT_S32 ] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3122 [AV_SAMPLE_FMT_FLT ] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3123 [AV_SAMPLE_FMT_DBL ] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3124 [AV_SAMPLE_FMT_U8P ] = { AV_CODEC_ID_PCM_U8, AV_CODEC_ID_PCM_U8 },
3125 [AV_SAMPLE_FMT_S16P] = { AV_CODEC_ID_PCM_S16LE, AV_CODEC_ID_PCM_S16BE },
3126 [AV_SAMPLE_FMT_S32P] = { AV_CODEC_ID_PCM_S32LE, AV_CODEC_ID_PCM_S32BE },
3127 [AV_SAMPLE_FMT_FLTP] = { AV_CODEC_ID_PCM_F32LE, AV_CODEC_ID_PCM_F32BE },
3128 [AV_SAMPLE_FMT_DBLP] = { AV_CODEC_ID_PCM_F64LE, AV_CODEC_ID_PCM_F64BE },
3130 if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB)
3131 return AV_CODEC_ID_NONE;
3132 if (be < 0 || be > 1)
3134 return map[fmt][be];
3137 int av_get_bits_per_sample(enum AVCodecID codec_id)
3140 case AV_CODEC_ID_ADPCM_SBPRO_2:
3142 case AV_CODEC_ID_ADPCM_SBPRO_3:
3144 case AV_CODEC_ID_ADPCM_SBPRO_4:
3145 case AV_CODEC_ID_ADPCM_IMA_WAV:
3146 case AV_CODEC_ID_ADPCM_IMA_QT:
3147 case AV_CODEC_ID_ADPCM_SWF:
3148 case AV_CODEC_ID_ADPCM_MS:
3151 return av_get_exact_bits_per_sample(codec_id);
3155 static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
3156 uint32_t tag, int bits_per_coded_sample, int64_t bitrate,
3157 uint8_t * extradata, int frame_size, int frame_bytes)
3159 int bps = av_get_exact_bits_per_sample(id);
3161 /* codecs with an exact constant bits per sample */
3162 if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768)
3163 return (frame_bytes * 8LL) / (bps * ch);
3164 bps = bits_per_coded_sample;
3166 /* codecs with a fixed packet duration */
3168 case AV_CODEC_ID_ADPCM_ADX: return 32;
3169 case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
3170 case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
3171 case AV_CODEC_ID_AMR_NB:
3172 case AV_CODEC_ID_EVRC:
3173 case AV_CODEC_ID_GSM:
3174 case AV_CODEC_ID_QCELP:
3175 case AV_CODEC_ID_RA_288: return 160;
3176 case AV_CODEC_ID_AMR_WB:
3177 case AV_CODEC_ID_GSM_MS: return 320;
3178 case AV_CODEC_ID_MP1: return 384;
3179 case AV_CODEC_ID_ATRAC1: return 512;
3180 case AV_CODEC_ID_ATRAC3: return 1024;
3181 case AV_CODEC_ID_ATRAC3P: return 2048;
3182 case AV_CODEC_ID_MP2:
3183 case AV_CODEC_ID_MUSEPACK7: return 1152;
3184 case AV_CODEC_ID_AC3: return 1536;
3188 /* calc from sample rate */
3189 if (id == AV_CODEC_ID_TTA)
3190 return 256 * sr / 245;
3193 /* calc from sample rate and channels */
3194 if (id == AV_CODEC_ID_BINKAUDIO_DCT)
3195 return (480 << (sr / 22050)) / ch;
3200 /* calc from block_align */
3201 if (id == AV_CODEC_ID_SIPR) {
3203 case 20: return 160;
3204 case 19: return 144;
3205 case 29: return 288;
3206 case 37: return 480;
3208 } else if (id == AV_CODEC_ID_ILBC) {
3210 case 38: return 160;
3211 case 50: return 240;
3216 if (frame_bytes > 0) {
3217 /* calc from frame_bytes only */
3218 if (id == AV_CODEC_ID_TRUESPEECH)
3219 return 240 * (frame_bytes / 32);
3220 if (id == AV_CODEC_ID_NELLYMOSER)
3221 return 256 * (frame_bytes / 64);
3222 if (id == AV_CODEC_ID_RA_144)
3223 return 160 * (frame_bytes / 20);
3224 if (id == AV_CODEC_ID_G723_1)
3225 return 240 * (frame_bytes / 24);
3228 /* calc from frame_bytes and bits_per_coded_sample */
3229 if (id == AV_CODEC_ID_ADPCM_G726)
3230 return frame_bytes * 8 / bps;
3233 if (ch > 0 && ch < INT_MAX/16) {
3234 /* calc from frame_bytes and channels */
3236 case AV_CODEC_ID_ADPCM_AFC:
3237 return frame_bytes / (9 * ch) * 16;
3238 case AV_CODEC_ID_ADPCM_PSX:
3239 case AV_CODEC_ID_ADPCM_DTK:
3240 return frame_bytes / (16 * ch) * 28;
3241 case AV_CODEC_ID_ADPCM_4XM:
3242 case AV_CODEC_ID_ADPCM_IMA_DAT4:
3243 case AV_CODEC_ID_ADPCM_IMA_ISS:
3244 return (frame_bytes - 4 * ch) * 2 / ch;
3245 case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
3246 return (frame_bytes - 4) * 2 / ch;
3247 case AV_CODEC_ID_ADPCM_IMA_AMV:
3248 return (frame_bytes - 8) * 2 / ch;
3249 case AV_CODEC_ID_ADPCM_THP:
3250 case AV_CODEC_ID_ADPCM_THP_LE:
3252 return frame_bytes * 14 / (8 * ch);
3254 case AV_CODEC_ID_ADPCM_XA:
3255 return (frame_bytes / 128) * 224 / ch;
3256 case AV_CODEC_ID_INTERPLAY_DPCM:
3257 return (frame_bytes - 6 - ch) / ch;
3258 case AV_CODEC_ID_ROQ_DPCM:
3259 return (frame_bytes - 8) / ch;
3260 case AV_CODEC_ID_XAN_DPCM:
3261 return (frame_bytes - 2 * ch) / ch;
3262 case AV_CODEC_ID_MACE3:
3263 return 3 * frame_bytes / ch;
3264 case AV_CODEC_ID_MACE6:
3265 return 6 * frame_bytes / ch;
3266 case AV_CODEC_ID_PCM_LXF:
3267 return 2 * (frame_bytes / (5 * ch));
3268 case AV_CODEC_ID_IAC:
3269 case AV_CODEC_ID_IMC:
3270 return 4 * frame_bytes / ch;
3274 /* calc from frame_bytes, channels, and codec_tag */
3275 if (id == AV_CODEC_ID_SOL_DPCM) {
3277 return frame_bytes / ch;
3279 return frame_bytes * 2 / ch;
3284 /* calc from frame_bytes, channels, and block_align */
3285 int blocks = frame_bytes / ba;
3287 case AV_CODEC_ID_ADPCM_IMA_WAV:
3288 if (bps < 2 || bps > 5)
3290 return blocks * (1 + (ba - 4 * ch) / (bps * ch) * 8);
3291 case AV_CODEC_ID_ADPCM_IMA_DK3:
3292 return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
3293 case AV_CODEC_ID_ADPCM_IMA_DK4:
3294 return blocks * (1 + (ba - 4 * ch) * 2 / ch);
3295 case AV_CODEC_ID_ADPCM_IMA_RAD:
3296 return blocks * ((ba - 4 * ch) * 2 / ch);
3297 case AV_CODEC_ID_ADPCM_MS:
3298 return blocks * (2 + (ba - 7 * ch) * 2 / ch);
3303 /* calc from frame_bytes, channels, and bits_per_coded_sample */
3305 case AV_CODEC_ID_PCM_DVD:
3308 return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
3309 case AV_CODEC_ID_PCM_BLURAY:
3312 return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
3313 case AV_CODEC_ID_S302M:
3314 return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
3320 /* Fall back on using frame_size */
3321 if (frame_size > 1 && frame_bytes)
3324 //For WMA we currently have no other means to calculate duration thus we
3325 //do it here by assuming CBR, which is true for all known cases.
3326 if (bitrate > 0 && frame_bytes > 0 && sr > 0 && ba > 1) {
3327 if (id == AV_CODEC_ID_WMAV1 || id == AV_CODEC_ID_WMAV2)
3328 return (frame_bytes * 8LL * sr) / bitrate;
3334 int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
3336 return get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
3337 avctx->channels, avctx->block_align,
3338 avctx->codec_tag, avctx->bits_per_coded_sample,
3339 avctx->bit_rate, avctx->extradata, avctx->frame_size,
3343 int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
3345 return get_audio_frame_duration(par->codec_id, par->sample_rate,
3346 par->channels, par->block_align,
3347 par->codec_tag, par->bits_per_coded_sample,
3348 par->bit_rate, par->extradata, par->frame_size,
3353 int ff_thread_init(AVCodecContext *s)
3360 unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
3374 int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
3377 for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
3381 #if FF_API_MISSING_SAMPLE
3382 FF_DISABLE_DEPRECATION_WARNINGS
3383 void av_log_missing_feature(void *avc, const char *feature, int want_sample)
3385 av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your FFmpeg "
3386 "version to the newest one from Git. If the problem still "
3387 "occurs, it means that your file has a feature which has not "
3388 "been implemented.\n", feature);
3390 av_log_ask_for_sample(avc, NULL);
3393 void av_log_ask_for_sample(void *avc, const char *msg, ...)
3395 va_list argument_list;
3397 va_start(argument_list, msg);
3400 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
3401 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
3402 "of this file to ftp://upload.ffmpeg.org/incoming/ "
3403 "and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)\n");
3405 va_end(argument_list);
3407 FF_ENABLE_DEPRECATION_WARNINGS
3408 #endif /* FF_API_MISSING_SAMPLE */
3410 static AVHWAccel *first_hwaccel = NULL;
3411 static AVHWAccel **last_hwaccel = &first_hwaccel;
3413 void av_register_hwaccel(AVHWAccel *hwaccel)
3415 AVHWAccel **p = last_hwaccel;
3416 hwaccel->next = NULL;
3417 while(*p || avpriv_atomic_ptr_cas((void * volatile *)p, NULL, hwaccel))
3419 last_hwaccel = &hwaccel->next;
3422 AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
3424 return hwaccel ? hwaccel->next : first_hwaccel;
3427 int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
3430 // There is no good way to rollback a failure to destroy the
3431 // mutex, so we ignore failures.
3432 lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
3433 lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
3436 avformat_mutex = NULL;
3440 void *new_codec_mutex = NULL;
3441 void *new_avformat_mutex = NULL;
3443 if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
3444 return err > 0 ? AVERROR_UNKNOWN : err;
3446 if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
3447 // Ignore failures to destroy the newly created mutex.
3448 cb(&new_codec_mutex, AV_LOCK_DESTROY);
3449 return err > 0 ? AVERROR_UNKNOWN : err;
3452 codec_mutex = new_codec_mutex;
3453 avformat_mutex = new_avformat_mutex;
3459 int ff_lock_avcodec(AVCodecContext *log_ctx, const AVCodec *codec)
3461 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3465 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
3469 if (avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, 1) != 1) {
3470 av_log(log_ctx, AV_LOG_ERROR,
3471 "Insufficient thread locking. At least %d threads are "
3472 "calling avcodec_open2() at the same time right now.\n",
3473 entangled_thread_counter);
3475 av_log(log_ctx, AV_LOG_ERROR, "No lock manager is set, please see av_lockmgr_register()\n");
3476 ff_avcodec_locked = 1;
3477 ff_unlock_avcodec(codec);
3478 return AVERROR(EINVAL);
3480 av_assert0(!ff_avcodec_locked);
3481 ff_avcodec_locked = 1;
3485 int ff_unlock_avcodec(const AVCodec *codec)
3487 if (codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE || !codec->init)
3490 av_assert0(ff_avcodec_locked);
3491 ff_avcodec_locked = 0;
3492 avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, -1);
3494 if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE))
3501 int avpriv_lock_avformat(void)
3504 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
3510 int avpriv_unlock_avformat(void)
3513 if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
3519 unsigned int avpriv_toupper4(unsigned int x)
3521 return av_toupper(x & 0xFF) +
3522 (av_toupper((x >> 8) & 0xFF) << 8) +
3523 (av_toupper((x >> 16) & 0xFF) << 16) +
3524 ((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
3527 int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
3531 dst->owner = src->owner;
3533 ret = av_frame_ref(dst->f, src->f);
3537 av_assert0(!dst->progress);
3539 if (src->progress &&
3540 !(dst->progress = av_buffer_ref(src->progress))) {
3541 ff_thread_release_buffer(dst->owner, dst);
3542 return AVERROR(ENOMEM);
3550 enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
3552 return ff_get_format(avctx, fmt);
3555 int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
3558 return ff_get_buffer(avctx, f->f, flags);
3561 void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
3564 av_frame_unref(f->f);
3567 void ff_thread_finish_setup(AVCodecContext *avctx)
3571 void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
3575 void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
3579 int ff_thread_can_start_frame(AVCodecContext *avctx)
3584 int ff_alloc_entries(AVCodecContext *avctx, int count)
3589 void ff_reset_entries(AVCodecContext *avctx)
3593 void ff_thread_await_progress2(AVCodecContext *avctx, int field, int thread, int shift)
3597 void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n)
3603 int avcodec_is_open(AVCodecContext *s)
3605 return !!s->internal;
3608 int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
3613 ret = av_bprint_finalize(buf, &str);
3616 if (!av_bprint_is_complete(buf)) {
3618 return AVERROR(ENOMEM);
3621 avctx->extradata = str;
3622 /* Note: the string is NUL terminated (so extradata can be read as a
3623 * string), but the ending character is not accounted in the size (in
3624 * binary formats you are likely not supposed to mux that character). When
3625 * extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
3627 avctx->extradata_size = buf->len;
3631 const uint8_t *avpriv_find_start_code(const uint8_t *av_restrict p,
3633 uint32_t *av_restrict state)
3637 av_assert0(p <= end);
3641 for (i = 0; i < 3; i++) {
3642 uint32_t tmp = *state << 8;
3643 *state = tmp + *(p++);
3644 if (tmp == 0x100 || p == end)
3649 if (p[-1] > 1 ) p += 3;
3650 else if (p[-2] ) p += 2;
3651 else if (p[-3]|(p[-1]-1)) p++;
3658 p = FFMIN(p, end) - 4;
3659 *state = AV_RB32(p);
3664 AVCPBProperties *av_cpb_properties_alloc(size_t *size)
3666 AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
3671 *size = sizeof(*props);
3673 props->vbv_delay = UINT64_MAX;
3678 AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
3680 AVPacketSideData *tmp;
3681 AVCPBProperties *props;
3684 props = av_cpb_properties_alloc(&size);
3688 tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
3694 avctx->coded_side_data = tmp;
3695 avctx->nb_coded_side_data++;
3697 avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
3698 avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
3699 avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
3704 static void codec_parameters_reset(AVCodecParameters *par)
3706 av_freep(&par->extradata);
3708 memset(par, 0, sizeof(*par));
3710 par->codec_type = AVMEDIA_TYPE_UNKNOWN;
3711 par->codec_id = AV_CODEC_ID_NONE;
3713 par->field_order = AV_FIELD_UNKNOWN;
3714 par->color_range = AVCOL_RANGE_UNSPECIFIED;
3715 par->color_primaries = AVCOL_PRI_UNSPECIFIED;
3716 par->color_trc = AVCOL_TRC_UNSPECIFIED;
3717 par->color_space = AVCOL_SPC_UNSPECIFIED;
3718 par->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
3719 par->sample_aspect_ratio = (AVRational){ 0, 1 };
3720 par->profile = FF_PROFILE_UNKNOWN;
3721 par->level = FF_LEVEL_UNKNOWN;
3724 AVCodecParameters *avcodec_parameters_alloc(void)
3726 AVCodecParameters *par = av_mallocz(sizeof(*par));
3730 codec_parameters_reset(par);
3734 void avcodec_parameters_free(AVCodecParameters **ppar)
3736 AVCodecParameters *par = *ppar;
3740 codec_parameters_reset(par);
3745 int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
3747 codec_parameters_reset(dst);
3748 memcpy(dst, src, sizeof(*dst));
3750 dst->extradata = NULL;
3751 dst->extradata_size = 0;
3752 if (src->extradata) {
3753 dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
3754 if (!dst->extradata)
3755 return AVERROR(ENOMEM);
3756 memcpy(dst->extradata, src->extradata, src->extradata_size);
3757 dst->extradata_size = src->extradata_size;
3763 int avcodec_parameters_from_context(AVCodecParameters *par,
3764 const AVCodecContext *codec)
3766 codec_parameters_reset(par);
3768 par->codec_type = codec->codec_type;
3769 par->codec_id = codec->codec_id;
3770 par->codec_tag = codec->codec_tag;
3772 par->bit_rate = codec->bit_rate;
3773 par->bits_per_coded_sample = codec->bits_per_coded_sample;
3774 par->profile = codec->profile;
3775 par->level = codec->level;
3777 switch (par->codec_type) {
3778 case AVMEDIA_TYPE_VIDEO:
3779 par->format = codec->pix_fmt;
3780 par->width = codec->width;
3781 par->height = codec->height;
3782 par->field_order = codec->field_order;
3783 par->color_range = codec->color_range;
3784 par->color_primaries = codec->color_primaries;
3785 par->color_trc = codec->color_trc;
3786 par->color_space = codec->colorspace;
3787 par->chroma_location = codec->chroma_sample_location;
3788 par->sample_aspect_ratio = codec->sample_aspect_ratio;
3789 par->video_delay = codec->has_b_frames;
3791 case AVMEDIA_TYPE_AUDIO:
3792 par->format = codec->sample_fmt;
3793 par->channel_layout = codec->channel_layout;
3794 par->channels = codec->channels;
3795 par->sample_rate = codec->sample_rate;
3796 par->block_align = codec->block_align;
3797 par->frame_size = codec->frame_size;
3798 par->initial_padding = codec->initial_padding;
3799 par->seek_preroll = codec->seek_preroll;
3801 case AVMEDIA_TYPE_SUBTITLE:
3802 par->width = codec->width;
3803 par->height = codec->height;
3807 if (codec->extradata) {
3808 par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
3809 if (!par->extradata)
3810 return AVERROR(ENOMEM);
3811 memcpy(par->extradata, codec->extradata, codec->extradata_size);
3812 par->extradata_size = codec->extradata_size;
3818 int avcodec_parameters_to_context(AVCodecContext *codec,
3819 const AVCodecParameters *par)
3821 codec->codec_type = par->codec_type;
3822 codec->codec_id = par->codec_id;
3823 codec->codec_tag = par->codec_tag;
3825 codec->bit_rate = par->bit_rate;
3826 codec->bits_per_coded_sample = par->bits_per_coded_sample;
3827 codec->profile = par->profile;
3828 codec->level = par->level;
3830 switch (par->codec_type) {
3831 case AVMEDIA_TYPE_VIDEO:
3832 codec->pix_fmt = par->format;
3833 codec->width = par->width;
3834 codec->height = par->height;
3835 codec->field_order = par->field_order;
3836 codec->color_range = par->color_range;
3837 codec->color_primaries = par->color_primaries;
3838 codec->color_trc = par->color_trc;
3839 codec->colorspace = par->color_space;
3840 codec->chroma_sample_location = par->chroma_location;
3841 codec->sample_aspect_ratio = par->sample_aspect_ratio;
3842 codec->has_b_frames = par->video_delay;
3844 case AVMEDIA_TYPE_AUDIO:
3845 codec->sample_fmt = par->format;
3846 codec->channel_layout = par->channel_layout;
3847 codec->channels = par->channels;
3848 codec->sample_rate = par->sample_rate;
3849 codec->block_align = par->block_align;
3850 codec->frame_size = par->frame_size;
3851 codec->initial_padding = par->initial_padding;
3852 codec->seek_preroll = par->seek_preroll;
3854 case AVMEDIA_TYPE_SUBTITLE:
3855 codec->width = par->width;
3856 codec->height = par->height;
3860 if (par->extradata) {
3861 av_freep(&codec->extradata);
3862 codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
3863 if (!codec->extradata)
3864 return AVERROR(ENOMEM);
3865 memcpy(codec->extradata, par->extradata, par->extradata_size);
3866 codec->extradata_size = par->extradata_size;
3874 AVCodec *codec = NULL;
3876 avcodec_register_all();
3878 while (codec = av_codec_next(codec)) {
3879 if (av_codec_is_encoder(codec)) {
3880 if (codec->type == AVMEDIA_TYPE_AUDIO) {
3881 if (!codec->sample_fmts) {
3882 av_log(NULL, AV_LOG_FATAL, "Encoder %s is missing the sample_fmts field\n", codec->name);