[Bug 30811] Music in Alpha Centauri stutters

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30811

Cory <cory.gugler at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cory.gugler at gmail.com

--- Comment #9 from Cory <cory.gugler at gmail.com> ---
(In reply to comment #6)
> The following scripts are for fixing the symptoms, not the problems source,
> which lies somewhere within games and/or wine sound engine.
>     Use these scripts from games directory. The first one is necessary, the
> second one not really. Both use Sound Exchange. Original audio files are not
> overwritten, but modified copies are made and then linked as primordial
> directory. Dithering is also added with no resampling. These scripts could
> be used with PlayOnLinux.
> ----
> DIR0=fx;DIR1="$DIR0.org";DIR2="$DIR0.mod"; if [ ! -d "$DIR1" ]; then mv -v
> "$DIR0" "$DIR1"; fi; if [ ! -d "$DIR2" ]; then mkdir "$DIR2"; else rm -v
> "$DIR2"/*; fi; for FILES in $DIR1/*.wav; do FILE="`echo $FILES|rev|cut -d
> '/' -f 1|rev`"; sox "$DIR1/$FILE" --norm=-1 "$DIR2/$FILE" pad 0.1 2.4 rate
> -v 22050 dither; done; cp -nv "$DIR1"/* "$DIR2"; if [ ! -L "$DIR0" ]; then
> ln -sv "$DIR2" "$DIR0"; fi;
> ----
> DIR0=voices;DIR1="$DIR0.org";DIR2="$DIR0.mod"; if [ ! -d "$DIR1" ]; then mv
> -v "$DIR0" "$DIR1"; fi; if [ ! -d "$DIR2" ]; then mkdir "$DIR2"; else rm -v
> "$DIR2"/*; fi; for FILES in $DIR1/*.mp3; do FILE="`echo $FILES|rev|cut -d
> '/' -f 1|rev`"; sox "$DIR1/$FILE" --norm=-1 "$DIR2/$FILE" pad 0.1 2.4 rate
> -v 22050 dither; done; cp -nv "$DIR1"/* "$DIR2"; if [ ! -L "$DIR0" ]; then
> ln -sv "$DIR2" "$DIR0"; fi;
> ----
>     It seems the sound buffer doesn't quit the right way on "cpu review your
> options.wav". I did not find any significant offset in the audio, so maybe
> some other factors play a role here. However looping occurs on the last
> seconds of sound file, that probably stays in buffer forever, since it
> doesn't quit right. Therefore using soxs pad function (extending original
> audio file) fixes the problem.
>     Clicks and stuttering seem to be related to sound file amplitudes, so
> reducing gain (sox INFILE OUTFILE gain -3) or normalizing audio to lower
> level like in the scripts fixes that problem.
>     Resulting sounds in the game play more nicely with no stuttering,
> clicking and looping. They are a bit delayed, however this seems to be a
> problem of game engine.
>     If problems with long sound files occur, one could loop them (sox INFILE
> INFILE INFILE OUTFILE).
> 
> Wine-1.5.12-157-gbdf9a9f
> from repository
> OpenSUSE 12.1 x86_64
> AMD FX Bulldozer 8150
> Asus M5A99X EVO
> G.Skill 16 GB DDR3-14900
> AMD/ATI Radeon HD 4850 with Fglrx 12.4


Worked great for me. For anyone trying this now you may need to change:
--norm=-1 to --norm 
in the scripts above.

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