[Bug 14812] dsound bug causes games to crash

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14812


Maarten Lankhorst <m.b.lankhorst at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |m.b.lankhorst at gmail.com




--- Comment #2 from Maarten Lankhorst <m.b.lankhorst at gmail.com>  2008-08-10 00:28:57 ---
I don't know whether this is a directsound error or not, but I doubt it is.
Sound underflow/overflows usually don't cause crashes, and I don't see anything
here that indicates it's a sound problem.

If you still think it's a problem, edit dlls/winealsa.drv/dsoutput.c

Change
snd_pcm_uframes_t used = This->mmap_buflen_frames -
snd_pcm_avail_update(This->pcm);
To
        snd_pcm_sframes_t used = This->mmap_buflen_frames -
snd_pcm_avail_update(This->pcm);

        if (used < 0)
        {
            snd_pcm_forward(This->pcm, -used);
            used = 0;
        }

I've sent this patch to wine-patches, but AJ is on vacation. If there really is
an underrun this will at least recover from it.


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