[MPlayer-dev-eng] [BUG] surround audio plugin broken

[Anders Johansson]

Hi,

> > > > ill try to optimize the libaf stuff tomorrow perhaps ...
> > > 
> > > Cool. AC3 decoding and resampling to 44100 are the two biggest
> > > bottlenecks preventing realtime dvd playback on my box right now! With
> > > Fabrice working on the ffmpeg ac3 decoder and libaf optimized, I
> > > imagine I'll finally be able to play dvds (without -framedrop).
> > 
> > Try the linear interpolation it is faster than the filter bank
> > resampling.
> 
> It does indeed help, reducing sound cpu usage by a couple percent.
> However, I expect that an optimized implementation of the filter bank
> code could be even faster.

It will never be faster than linear interpolation cause it only
duplicates or removes samples (no addition or multiplication at all).

> 
> Rich
> 

//Anders