[Ffmpeg-devel] mpc7 bad quality?

[Kostya]

On Sun, Mar 04, 2007 at 09:48:37AM -0500, Ronald S. Bultje wrote:
> Hi,
[...]
> (gst uses libmpc internally, so I used that, I don't have mpcdec right
> now.)
> 
> $ ./ffmpeg -i ~/Desktop/kantate.mpc ~/Desktop/kantate-ff.wav
> $ gst-launch-0.10 filesrc location=~/Desktop/kantate.mpc ! musepackdec !
> audioconvert ! wavenc ! filesink location=~/Desktop/kantate-gst.wav
> $ tests/tiny_psnr ~/Desktop/kantate-ff.wav ~/Desktop/kantate-gst.wav 2
> 1924 44
> stddev:24823.12 PSNR:31.70 bytes:50485248
> 
> That doesn't look good... .wav samples don't look alike at all in a text
> editor either, really. I've uploaded first MB for both files above at
> http://freedesktop.org/~rbultje/ in case it's helpful.
> 
> Ronald
 
Your FFmpeg output really differs from what I get here, please report your
FFmpeg build parameters and platform.

Also if you look in FFplay your sample has higher volume and clipping.
Have you played with CONFIG_MPEGAUDIO_HP?