[linux-audio-user] gstreamer, rhythmbox, and mp3

[Paul Davis]

On Mon, 2007-02-05 at 12:17 -1000, david wrote:
> Paul Davis wrote:
> > On Mon, 2007-02-05 at 16:41 -0500, carmen wrote:
> >> On Mon Feb 05, 2007 at 01:59:29PM -0600, Victor Roetman wrote:
> >>> (and I really wish there was a jack backend for gstreamer)
> >> there is. it didnt work very well for me (worse than alsa+plug:jack, just like XINE) but you might want to give it a shot
> > 
> > carmen, judging from the rest of your post, CPU usage was the main
> > issue.
> > 
> > this is actually not a consequence of the JACK sink directly, but the
> > appalling unoptimized resampling code in gstreamer. if you connect the
> > JACK sink up to a stream that is already at the JACK sample rate, i have
> > found you see the expected (low) CPU utilization.
> > 
> > the gstreamer guys know about this, but there is nobody available or
> > with the know-how to speed it up. libsamplerate is not an option,
> > apparently, because of the license :((
> 
> I've been warned by a number of Linux folk to avoid GStreamer.

i think thats a mistake. gstreamer has quite a complex API and a very
complex internal design, but it solves a number of problems that nobody
else has bothered to solve.