[FFmpeg-cvslog] r11627 - trunk/libavformat/mov.c

[Måns Rullgård]

Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> writes:

> Hello,
> On Sun, Jan 27, 2008 at 07:21:02PM +0100, Baptiste Coudurier wrote:
>> Humm here without the commit:
>> ffmpeg -i unsupported-embedded-subs-2.mp4 -scodec copy test.vob
>> 
>> then mplayer displays subs correctly (with weird font though). I
>> remember that nero stores some extradata similar to what .ifo contains
>> in dvds, in esds.
>> 
>> So I guess for complete support, extradata should be extracted, I
>> remember a patch for that in ffmpeg-devel to support palette for subs in
>> mkv, and IIRC reimar have something like that in mplayer, which can be
>> ported to lavc, maybe Im wrong though.
>
> I am not sure about matroska, but Nero just stores the 16*4 bytes
> palette in the extradata, nothing special.

That actually makes sense, as it is exactly what the decoder needs.
IMHO this should be considered the "native" extradata format for DVD
subtitles, and any container using a different format should have it
converted by the demuxer.

-- 
M?ns Rullg?rd
mans at mansr.com