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avformat: add av_stream_get_codec_timebase()

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This will allow ffmpeg.c to stop using AVStream.codec in some cases

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-09-27 10:07:14 -03:00
parent fd902510ac
commit f0b6f7253f
4 changed files with 23 additions and 1 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2015-08-28
API changes, most recent first:
2016-09-27 - xxxxxxx - lavf 57.51.100 - avformat.h
Add av_stream_get_codec_timebase()
2016-09-27 - 23c0779 - lswr 2.2.100 - swresample.h
Add swr_build_matrix().

7
libavformat/avformat.h
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@ -2921,6 +2921,13 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
AVStream *ost, const AVStream *ist,
enum AVTimebaseSource copy_tb);
/**
* Get the internal codec timebase from a stream.
*
* @param st input stream to extract the timebase from
*/
AVRational av_stream_get_codec_timebase(const AVStream *st);
/**
* @}
*/

12
libavformat/utils.c
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@ -5383,3 +5383,15 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
return 0;
}
AVRational av_stream_get_codec_timebase(const AVStream *st)
{
// See avformat_transfer_internal_stream_timing_info() TODO.
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
return st->codec->time_base;
FF_ENABLE_DEPRECATION_WARNINGS
#else
return st->internal->avctx->time_base;
#endif
}

2
libavformat/version.h
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@ -32,7 +32,7 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 57
#define LIBAVFORMAT_VERSION_MINOR 50
#define LIBAVFORMAT_VERSION_MINOR 51
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \