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dshow: drop initial audio packets with weird timestamps 

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
This commit is contained in:
rogerdpack 2015-01-23 06:13:33 -07:00
parent 8eb5b5ec6f
commit b76a0e24f9
1 changed files with 8 additions and 0 deletions
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8
libavdevice/dshow_pin.c
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@ -320,6 +320,14 @@ libAVMemInputPin_Receive(libAVMemInputPin *this, IMediaSample *sample)
} else {
int64_t dummy;
IMediaSample_GetTime(sample, &curtime, &dummy);
if(curtime > 400000000000000000LL) {
/* initial frames sometimes start < 0 (shown as a very large number here,
like 437650244077016960 which FFmpeg doesn't like.
TODO figure out math. For now just drop them. */
av_log(NULL, AV_LOG_DEBUG,
"dshow dropping initial (or ending) audio frame with odd PTS too high %"PRId64"\n", curtime);
return S_OK;
}
curtime += pin->filter->start_time;
}