[MPlayer-dev-eng] Millisecond perfect seek.

[Uoti Urpala]

On Tue, 2009-02-10 at 16:35 +0100, Grigori G wrote:
> Diego Biurrun wrote:
> >> So, my question is, how would I go about implementing such a feature?
> >> Any pointers would be appreciated.
> > 
> > Transcode the content to a format that has only keyframes.
> >
> 
> Wouldn't it be possible to seek to the keyframe before the wanted frame 
> and then decompress but discard all frames inbetween? This can be quite 
> slow, but it'd work.

Yes this is a better way to do it in the general case. It is possible to
implement that although there are some problem cases.

> This would also make my mencoder-based transcoding frontend a lot more 
> useful. (It's designed for cutting out snippets from video files or 
> DVDs. So far it's not very useful for files with keyframes only every 10 
> seconds or so)

MEncoder already has something like that (-hr-edl-seek). It's not quite
exact though because of MEncoder's general brokenness (if it works at
all, I haven't tested).