#383: ffmpeg SCR moves backwards in output muxed mpeg file
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Reporter: johnnyquid | Owner:
Type: defect | Status: new
Priority: normal | Component: undetermined
Version: unspecified | Resolution:
Keywords: ffmpeg mpeg scr backwards | Blocked By:
Blocking: | Reproduced: 0
Analyzed: 0 |
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Comment (by wg):
The issue is actually not with backward-moving scr but with negative or
"wrapping" scr. Of course ffmpeg should not generate negative timestamps
in mpeg output. But there is an easy workaround: Use "-muxpreload 0.775"
to compensate for your negative -itsoffset. You will lose some packets
due to buffer underflow but that is simply due to them being too much out
of sync video vs. audio.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/383#comment:1>
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