[MPlayer-dev-eng] [PATCH] Updated playback-speed-changing-patch

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Tue Oct 19 23:35:55 CEST 2004


Hi,

> I just had a closer look at it and the way it did things was just asking 
> for trouble...
> Instead of doing a ao reinit, which causes loss of A-V sync among other 
> things, this reworked version just reinits the filter chain (very little 
> audio data is lost that way, thus little desync).
> Only disadvantage is that while the playback speed is different from the 
> beginning, af_resample will be inserted, causing a small loss in speed 
> and quality (although ALSA's resampling is a big deal worse IMHO...).
> 
> Please test again.
> 
> Just though of one more problem: It will break playback of files with 
> sample-rate < 8000 or > 192000... will have to think up a solution for 
> that (are there any files like that?).

Please speak up, otherwise I will apply tommorrow and how there are no files with such crazy samplerates.

Greetings,
Reimar Döffinger




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