[MPlayer-dev-eng] [PATCH] remove mp3lib

Diego Biurrun diego at biurrun.de
Fri Sep 23 11:17:24 CEST 2011

On Fri, Sep 23, 2011 at 08:28:32AM +0200, Thomas Orgis wrote:
> Am Fri, 23 Sep 2011 03:45:49 +0300
> schrieb Ivan Kalvachev <ikalvachev at gmail.com>: 
> > Even if we assume the extra 6 seconds are because of the ugly float
> > conversion and clipping i've done in af_format, even then mp3lib is
> > still around 16% faster than the float only case.
> Would you care to give the ac mpg123 a spin, too? Regardless about the
> performance of ffmpeg's mp3 (and mp2, and mp1) decoding, the comparison
> to the official mpg123 code should work out on removing the internal
> fork.
> Because of improved SSE code, mpg123 should be faster on platforms
> supporting that. The game is not that clear for MMX and 3DNow*, where
> subtle effects of the libmpg123 binding could rule.
> Make sure to use mpg123 version 1.13.x, please (there was some
> optimization regarding the data transfer from MPlayer).

I was about to step in and say something like this :)

The interesting case is comparing internal vs. external mp3lib/mpeg123,
not so much ffmp3 or ffmp3float.


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