Hi Peter. On Sun, Apr 21, 2013 at 08:31:18PM +0200, Peter Meerwald wrote: > Hello, > > > > > > What I would like to do over the summer: > > > > > - enable resampling with libav > > > > > - write some test coverage for the libav resampling method > > > > > - deprecate the ffmpeg resample method > > > > > - update the speex resample method > > > > > > The ideas page mentions also libresample, if I'm not mistaken pulseaudio > > > > > already supports resampling via libresample and I'm not sure what would I > > > > > need to do about this. > > > > > > > > By "libresample", I guess you mean "libsamplerate". Peter can correct me > > > > if I'm intepreting him wrong, but my understanding is that libsamplerate > > > > was only mentioned as an example of a resampler with a problematic > > > > license. I don't know either what should be done about it - perhaps the > > > > idea was to compare the different resamplers, and if it turns out that > > > > we don't have any good reason to keep using libsamplerate, we could drop > > > > that code. > > libsamplerate was mentioned because of the GPL license; > to work around, a loadable module interface could be offered, so the user > can decide > This sounds like a lot of complexity for little gain. What is wrong with compile time switches/options? > > > > > Speex has been obsoleted [2] and the resampler seems to had been moved to > > > > > opus-tools. There are some interesting commits [3] inside this repo and I think > > > > > it would be nice to update our speex resample method although I'm not sure > > > > > if it's ok to drop speex and replace it with opus-tools just like that. > > > > > To me replacing the speex resampler with the opus-tools resampler sounds > > > > like an obvious thing to do, if the upstream says that the speex > > > > resampler code is deprecated in favour of opus-tools. > > yeah, there seem to be interesting fixes/improvements > > p. > > -- > > Peter Meerwald > +43-664-2444418 (mobile) By the way is there some explicit reason you have chosen libav for this project? FFmpeg now also has a resampling library [1] and I found an interesting blog post about "ffmpeg vs libav" [2]. Maybe we should support both so different distributions can choose what to use depending on the default lib they are using. [1] http://ffmpeg.org/doxygen/trunk/group__lswr.html [2] http://aballier.wordpress.com/2013/01/18/ffmpeg-vs-libav-a-distribution-maintainer-point-of-view-almost-two-years-after-the-split/
