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| author | Oliver Fromme <oliver@fromme.com> | 2014-07-10 19:41:08 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-07-12 17:07:14 +0200 |
| commit | 699d2107bea0426dd87c94fa9a983de38f0b502d (patch) | |
| tree | 349555cd55ae766ad35c437e16a78b1426e9c444 /doc | |
| parent | e5eff191e490b55fc027fcd881e2ebcfe0c4b0fe (diff) | |
| download | ffmpeg-699d2107bea0426dd87c94fa9a983de38f0b502d.tar.gz | |
doc/encoders: Document "dvdsub workaround for some players"
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/encoders.texi | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 2781574a6a..ce574cff49 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -2147,3 +2147,27 @@ For the fastest encoding speed set the @option{qscale} parameter (4 is the recommended value) and do not set a size constraint. @c man end VIDEO ENCODERS + +@chapter Subtitles Encoders +@c man begin SUBTITLES ENCODERS + +@section dvdsub + +This codec encodes the bitmap subtitle format that is used in DVDs. +Typically they are stored in VOBSUB file pairs (*.idx + *.sub), +and they can also be used in Matroska files. + +@subsection Options + +@table @option +@item even_rows_fix +When set to 1, enable a work-around that makes the number of pixel rows +even in all subtitles. This fixes a problem with some players that +cut off the bottom row if the number is odd. The work-around just adds +a fully transparent row if needed. The overhead is low, typically +one byte per subtitle on average. + +By default, this work-around is disabled. +@end table + +@c man end SUBTITLES ENCODERS |