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| author | Marton Balint <cus@passwd.hu> | 2016-01-21 23:57:50 +0100 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2016-01-25 22:15:27 +0100 |
| commit | 73e4565dff92d372e53a2073b65a3c88d0ac8baa (patch) | |
| tree | abe504fd8e73ac6de3584f7fdb6ed701bb256235 /doc/decoders.texi | |
| parent | 92f2a9dbc501f3d3423253b00fc25bb9bd330657 (diff) | |
| download | ffmpeg-73e4565dff92d372e53a2073b65a3c88d0ac8baa.tar.gz | |
lavc/libzvbi-teletextdec: add support for setting background opacity
Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'doc/decoders.texi')
| -rw-r--r-- | doc/decoders.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/decoders.texi b/doc/decoders.texi index a6eb573a89..35771140e1 100644 --- a/doc/decoders.texi +++ b/doc/decoders.texi @@ -282,7 +282,13 @@ Sets the display duration of the decoded teletext pages or subtitles in miliseconds. Default value is 30000 which is 30 seconds. @item txt_transparent Force transparent background of the generated teletext bitmaps. Default value -is 0 which means an opaque (black) background. +is 0 which means an opaque background. +@item txt_opacity +Sets the opacity (0-255) of the teletext background. If +@option{txt_transparent} is not set, it only affects characters between a start +box and an end box, typically subtitles. Default value is 0 if +@option{txt_transparent} is set, 255 otherwise. + @end table @c man end SUBTILES DECODERS |