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doc: Document the order in which avoid_negative_ts is applied compared to other timestamp options

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Also try to document the rational behind it.

This might fix Ticket2376

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2013-03-18 23:17:16 +01:00
parent aafbfb1c2e
commit 9c22039c15
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doc/ffmpeg-formats.texi
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@ -146,6 +146,10 @@ When timestamps are shifted, all timestamps of a output file are shifted
together by the same amount. AV sync, subtitle sync and relative timestamp together by the same amount. AV sync, subtitle sync and relative timestamp
differences are preserved compared to how they would have been without differences are preserved compared to how they would have been without
shifting. shifting.
When avoid_negative_ts is used together with copyts, vsync or async then
avoid_negative_ts is applied last. This is neccessary so that containers
which do not support negative timestamps wont get any and can be used
with vsync/async and copyts.
@end table @end table
@c man end FORMAT OPTIONS @c man end FORMAT OPTIONS