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-rw-r--r--doc/ffmpeg-formats.texi4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/ffmpeg-formats.texi b/doc/ffmpeg-formats.texi
index 381e3256ad..0e972a8bd7 100644
--- a/doc/ffmpeg-formats.texi
+++ b/doc/ffmpeg-formats.texi
@@ -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
differences are preserved compared to how they would have been without
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
@c man end FORMAT OPTIONS