[MPlayer-dev-eng] Proposed support for Kate streams

[Reimar Döffinger]

On Tue, Mar 18, 2008 at 12:24:52PM +0300, Evgeniy Stepanov wrote:
> On Tuesday 18 March 2008 11:28:00 Reimar Döffinger wrote:
> > > Slightly off-topic, it seems too early to switch to lavf demuxer at least
> > > for ogg and avi: the former does not support seeking to keyframes
> >
> > I never considered that really relevant I must admit, but I assumed it
> > would be a rather simple, although maybe ugly fix.
> 
> I'm not sure about that. Lavf ogg demuxer misses seeking code, and generic 
> seeking routines simply ignore keyframe information. I really think it cannot 
> be ignored, because it makes seeking almost unusable.

Just make ogg_read_timestamp only return keyframes and seeking will only
go to keyframes. Not sure if this is the intended behaviour and if it
would be accepted, but it does not look difficult to me (beyond needing
a reliable way of detecting keyframes, which IIRC can be quite painful).