[FFmpeg-devel] [PATCH] avformat: remove FF_API_ASS_SSA dead code

[Clément Bœsch]

On Mon, Sep 22, 2014 at 03:12:02PM +0000, Rainer Hochecker wrote:
[...]
> Hi,
> 
> Thank you very much for this explanation and sorry for not having read
> release notes properly. subs are not my territory but the maintainer is busy
> with real life so I will try to adapt to those changes.
> 

Feel free to ask more direct questions.

Basically, the idea is that the matroska demuxer will now output
AVPacket.data that looks like this:

    1,,Wolf main,Cher,0000,0000,0000,,Et les enregistrements de ses ondes delta ?

instead of:

    Dialogue: Marked=0,0:02:42.42,0:02:44.15,Wolf main,autre,0000,0000,0000,,Toujours rien.

(to take the matroska specs example)

The later had several problems, like including timestamp in a string which
couldn't be altered without insane hacks at format level. It also dropped
the ReadOrder fields which is needed to get proper rendering.

[...]

Note that we still use the "Dialogue: ..." form for internal decoded form
of the subtitles (what you get into AVSubtitle when calling the decode
subtitles function on the AVPacket), but I'm working on fixing this. I'll
try to document that change even more, and compatibility will last for a
long time again.

-- 
Clément B.
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