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Code Issues Releases Activity

Add AVPacket.convergence_duration.

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Originally committed as revision 15179 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-09-03 14:44:54 +00:00
parent a82630deb2
commit a2636c0fd5
2 changed files with 17 additions and 1 deletions
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17
libavformat/avformat.h
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@ -22,7 +22,7 @@
#define AVFORMAT_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
#define LIBAVFORMAT_VERSION_MINOR 21
#define LIBAVFORMAT_VERSION_MINOR 22
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@ -78,6 +78,21 @@ typedef struct AVPacket {
void (*destruct)(struct AVPacket *);
void *priv;
int64_t pos; ///< byte position in stream, -1 if unknown
/**
* This is the time difference in stream timebase units from the pts at which
* the output from the decoder has converged independent from the availability
* of previous frames (that is the frames are virtually identical no matter
* if decoding started from the very first frame or from this keyframe).
* is AV_NOPTS_VALUE if unknown.
*
* The purpose of this field is to allow seeking in streams that have no
* keyframes in the conventional sense. It corresponds to the
* recovery point SEI in H.264 and match_time_delta in nut. It also is
* essential for some types of subtitle streams to ensure that all
* subtitles are correctly displayed after seeking.
*/
int64_t convergence_duration;
} AVPacket;
#define PKT_FLAG_KEY 0x0001

1
libavformat/utils.c
View File

@ -251,6 +251,7 @@ void av_init_packet(AVPacket *pkt)
pkt->dts = AV_NOPTS_VALUE;
pkt->pos = -1;
pkt->duration = 0;
pkt->convergence_duration = 0;
pkt->flags = 0;
pkt->stream_index = 0;
pkt->destruct= av_destruct_packet_nofree;