[Bug 12286] sound: first fragmented, now the ends are chopped off

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=12286





--- Comment #2 from Wolfram Kresse <wine at wkresse.de>  2008-03-30 22:02:44 ---
Created an attachment (id=11757)
 --> (http://bugs.winehq.org/attachment.cgi?id=11757)
testcase, soundexample, +dsound log

Some more info:

sound_ok.wav: This is what it should sound like. Recorded with a pre-0.9.40
wine.
sound_buggy.wav: This it how it currently sounds. Recorded with a post-0.9.41
wine. The first sound is played correctly, but then the first fraction of that
sound is repeated. The second sound (and any following identical sounds) will
consist only of that fraction, not the complete sound.
sound_buggy.log: A log produced with the current git wine, the bug #11989
workaround, and +dsound, while the above double-sound was playing
2008.03.31_03.05.16.clMov: This is an ingame-movie of the two sounds. The movie
can be replayed using Arindal.exe ("Datei->Film abspielen") and will reproduce
the correct sound when using pre-0.9.40, and cut-off sounds when using
post-0.9.41. The sound fragmentation of 0.9.40 cannot be reproduced with it,
because for sufficiently short sounds the fragmentation effect results simply
in a (very short) bit of the end of the sound being chopped off.

Note that under heavy CPU load, the pre-0.9.40 version sounds will be cut-off
in a similar (if not identical) fashion as the post-0.9.41 sounds, while
throwing a message such as this:
0012:fixme:dsound:DSOUND_MixOne problem with underrun detection (mixlen=13604 <
primary_done=18784)


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