[Mplayer-users] sound on alpha
jk at tools.de
Sun Aug 12 19:21:56 CEST 2001
> When i play an avi or mpeg (with mp3-audio stream),
> the sound is very "noisy". Same thing if i play it
> to a wav-file (-pcm). But when i dump the audio and
> play the streamdump with mpg123 it's fine.
Just a wild guess:
You may want to play with the WRITE_SAMPLE macro in mp3lib/decod386.c ...
Try to enable the "old WRITE_SAMPLE" version, by changing the '#if 0'
to an '#if 1', and recompile. The "old WRITE_SAMPLE" macro should
The "new WRITE_SAMPLE" version of the macro (currently enabled by
default) uses some ugly tricks to squeeze out maximum performance for
converting floating point -> 16-bit int values. These tricks depend on
the floating point format use to store double values in memory and may
not work everywhere (see the comments in the code).
Jürgen Keil jk at tools.de
Tools GmbH +49 (228) 9858011
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