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lavc: add stream-global packet side data

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This is similar to what is done for AVStream.
This commit is contained in:
Anton Khirnov 2015-07-22 14:39:30 +02:00
parent 31c51f7441
commit 84adab333c
3 changed files with 20 additions and 2 deletions
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3
doc/APIchanges
View File

@ -14,7 +14,8 @@ libavutil: 2015-08-28
API changes, most recent first:
2015-xx-xx - xxxxxxx - lavc 57.11.0 - avcodec.h
Add av_packet_add_side_data().
xxxxxxx - Add av_packet_add_side_data().
xxxxxxx - Add AVCodecContext.coded_side_data.
2015-xx-xx - xxxxxxx - lavc 57.9.1 - avcodec.h
Deprecate rtp_callback without replacement, i.e. it won't be possible to

10
libavcodec/avcodec.h
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@ -2925,6 +2925,16 @@ typedef struct AVCodecContext {
* - decoding: Set by libavcodec before calling get_format()
*/
enum AVPixelFormat sw_pix_fmt;
/**
* Additional data associated with the entire coded stream.
*
* - decoding: unused
* - encoding: may be set by libavcodec after avcodec_open2().
*/
AVPacketSideData *coded_side_data;
int nb_coded_side_data;
} AVCodecContext;
/**

9
libavcodec/utils.c
View File

@ -1603,9 +1603,11 @@ void avsubtitle_free(AVSubtitle *sub)
av_cold int avcodec_close(AVCodecContext *avctx)
{
int i;
if (avcodec_is_open(avctx)) {
FramePool *pool = avctx->internal->pool;
int i;
if (HAVE_THREADS && avctx->internal->thread_ctx)
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
@ -1622,6 +1624,11 @@ av_cold int avcodec_close(AVCodecContext *avctx)
av_freep(&avctx->internal);
}
for (i = 0; i < avctx->nb_coded_side_data; i++)
av_freep(&avctx->coded_side_data[i].data);
av_freep(&avctx->coded_side_data);
avctx->nb_coded_side_data = 0;
if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
av_opt_free(avctx->priv_data);
av_opt_free(avctx);