[MPlayer-dev-eng] [PATCH] SSA/ASS subtitles support

Evgeniy Stepanov eugeni.stepanov at gmail.com
Wed Apr 5 19:18:41 CEST 2006


On Wednesday 05 April 2006 19:18, Piotr Stachura wrote:
> Following sample causes segfault. It happends with and without '-vf ass'
> option. I can't remember but perhaps subtitles in file are compressed,
> remuxing file (w/o compression) causes correct play. It isn't happend
> without patch!
>
> http://home.autocom.pl/albert/db.mkv
>
> mplayer: ass.c:392: ass_process_line: Assertion
> `ass_tracks_info[tid].event_format' failed.

Subs in this file are not compressed. Their header (CodecPrivate) is broken, 
it lacks "[Events]" and subsequent "Format: ..." lines.
What program do you use for remuxing ? mkvmerge only allows compression of 
vobsub subtitles. And it does not add missing lines.

>BTW. could you add a font factor size. Currently some of subtitles are so 
> small :/ 

Something like -vf ass=font-scale=1.5:another-option=value:sub=1.ass ? Not 
very readable :( There is no such thing as per-filter global options ?




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