Re: libmad performance in cmus

[Ali G. R. <ali...@gm...>]

On Tue, Oct 16, 2007 at 09:16:59AM +0330, Ali Gholami Rudi wrote:
>=20
> I've tried ``time cmus`` and ``time mplayer file`` for a file.  Here is
> the outcome::
>=20
>   $ time cmus
>=20
>   real    4m39.237s
>   user    0m11.717s
>   sys     0m0.096s
>   $ time mplayer file
>   ...
>=20
>   real    4m36.642s
>   user    0m0.216s
>   sys     0m0.024s
>   $
>=20
> Hope it helps. (By the way, I think the difference in real time is due
> to the time it took for starting the song in cmus and exiting from
> it.)
>=20


Recently I've upgraded to Ubuntu 7.10 and astonishingly playing the same
file in mplayer resulted in::

  $ time mplayer file
  ...

  real    4m36.605s
  user    0m17.549s
  sys     0m1.876s
  $

The message printed in both Ubuntu 7.10 and Ubuntu 7.04 was::

  Playing ...
  Audio file file format detected.
  =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
  Forced audio codec: mad
  Opening audio decoder: [libmad] libmad mpeg audio decoder
  AUDIO: 44100 Hz, 2 ch, s16le, 192.0 kbit/13.61% (ratio: 24000->176400)
  Selected audio codec: [mad] afm: libmad (libMAD MPEG layer 1-2-3)
  =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
  AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)


I hope someone can explain this!

Regards,
--Ali