[Ffmpeg-devel] mpc7 bad quality?
Sun Mar 4 13:49:31 CET 2007
On Sun, Mar 04, 2007 at 11:04:15AM +0100, Guillaume POIRIER wrote:
> On 3/4/07, Kostya <kostya.shishkov at gmail.com> wrote:
> >On Sun, Mar 04, 2007 at 12:35:07AM -0500, Ronald S. Bultje wrote:
> >> Hi,
> >> I'm trying to play a musepack sample, and noticed that it has incredibly
> >> bad quality (lots of noise) compared to the libmusepack decoder that
> >> e.g. Xine has. Is this a known problem?
> >> A sample file is available on
> >> http://gstreamer.freedesktop.org/media/medium/kantate.mpc
> >> Ronald
> >On my PPC:
> >kantate1.wav created by sample decoder from libmpcdec-1.2.1
> >kantate2.wav was created by FFmpeg
> >./tiny_psnr kantate2.wav kantate1.wav 2 1924 44
> >stddev: 0.70 PSNR:99.34 bytes:50485248
> >Can somebody verify this on x86?
> sure, juste gimme both commandlines and I'll do it.
first one: mppdec kantate.mpc kantate1.wav
second : ffmpeg -i kantate.mpc kantate2.wav
tiny_psnr was compiled from ffmpeg/tests
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