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| author | Nicolas George <nicolas.george@normalesup.org> | 2012-03-22 20:59:36 +0100 |
|---|---|---|
| committer | Nicolas George <nicolas.george@normalesup.org> | 2012-03-28 16:38:15 +0200 |
| commit | 247fbf071bb9d30f5341844a3d4ebbd53a986968 (patch) | |
| tree | c79a818cb4657e035fa41af224607c8dfe6d2e66 /doc/filters.texi | |
| parent | c44417e15a233bdb769585ff861000ca96465fa8 (diff) | |
| download | ffmpeg-247fbf071bb9d30f5341844a3d4ebbd53a986968.tar.gz | |
ass: fix aspect ratio computation.
Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 6c6d439b94..2091242679 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -761,9 +761,10 @@ separated by ":". A description of the accepted options follows. @table @option -@item dar -Specifies the display aspect ratio adopted for rendering the -subtitles. Default value is "1.0". +@item original_size +Specifies the size of the original video, the video for which the ASS file +was composed. Due to a misdesign in ASS aspect ratio arithmetic, this is +necessary to correctly scale the fonts if the aspect ratio has been changed. @end table For example, to render the file @file{sub.ass} on top of the input |