[FFmpeg-devel] SWResample

Michael Niedermayer michaelni at gmx.at
Mon Sep 19 17:26:01 CEST 2011

On Mon, Sep 19, 2011 at 05:19:52PM +0200, Clément Bœsch wrote:
> On Mon, Sep 19, 2011 at 05:13:47PM +0200, Michael Niedermayer wrote:
> > Hi
> > 
> > As you probably have seen, we have code to convert between channel layouts
> > now and that is integrated with improved variants of our previously
> > existing samplerate and sample format changing code. All in an easy
> > to use lib so other projects can use this without libavcodec.
> > 
> This is IMO a good idea, but I think just noticing about such work a few
> days ago (even if no patches are sent) would be good for just a slightly
> better transparency :)
> > ATM we have a few things duplicated between libavcodec and
> > libswresample.
> And libavfilter too AFAIK (af aresample and convert).

> > Removing the (resample, ...) code from libavcodec needs
> > either a dependancy on libswresample or a ABI bump (and API breakage)
> > Is everyone ok with it if i add such dependancy ?
> The old resample code is not correctly exported anyway, right?

ffmpeg.c used it, mplayer uses it 


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