[MPlayer-dev-eng] MPCF proposal

D Richard Felker III dalias at aerifal.cx
Thu Mar 13 22:31:46 CET 2003


On Thu, Mar 13, 2003 at 07:32:01PM +0100, Michael Niedermayer wrote:
> Hi
> 
> On Thursday 13 March 2003 17:49, D Richard Felker III wrote:
> > On Thu, Mar 13, 2003 at 04:42:57PM +0100, Michael Niedermayer wrote:
> [...]
> > > btw, completly strict interleaving doesnt seem like a good idea either if
> > > we allow multiple video streams, the performance loss would be too large
> > > IMHO and even for many audio steams it is very likely bad
> > > so i suggest that interleaving is a MUST only for videos with 1 video
> > > stream & <=2 audio streams
> > > any comments?
> >
> > Interleaving should always be required. Otherwise playback from CDROM
> > is impossible. Even if it works it will destroy your drive in no time
> > seeking back and forth thousands of times... 
> readahead & cache?
> ... yes i agree its too complex for a simple player
> 
> > Besides, even a 1x drive
> > is a plenty fast to play most files single-video, single-audio files,
> > so I don't think io performance is an issue.
> hmm it depends, i thought more about storing movies for streaming (several 
> bitrates for audio/video and perhaps several resolutions, and several users)
> interleaving all of the streams and droping 90% of them sounds like a big 
> problem for the harddisk of the server

If they're not interleaved they should just be separate files.

Rich



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