Commit 1372c557 authored by Rodger Combs's avatar Rodger Combs Committed by Michael Niedermayer

doc/ffmpeg.texi: document the new -start_at_zero option

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 843d7bb3
...@@ -1016,6 +1016,12 @@ processing (e.g. in case the format option @option{avoid_negative_ts} ...@@ -1016,6 +1016,12 @@ processing (e.g. in case the format option @option{avoid_negative_ts}
is enabled) the output timestamps may mismatch with the input is enabled) the output timestamps may mismatch with the input
timestamps even when this option is selected. timestamps even when this option is selected.
@item -start_at_zero
When used with @option{copyts}, shift input timestamps so they start at zero.
This means that using e.g. @code{-ss 50} will make output timestamps start at
50 seconds, regardless of what timestamp the input file started at.
@item -copytb @var{mode} @item -copytb @var{mode}
Specify how to set the encoder timebase when stream copying. @var{mode} is an Specify how to set the encoder timebase when stream copying. @var{mode} is an
integer numeric value, and can assume one of the following values: integer numeric value, and can assume one of the following values:
......
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