[Bug 29359] DSOUND_BufPtrDiff: Assertion `ptr1 < buflen' failed.

http://bugs.winehq.org/show_bug.cgi?id=29359

--- Comment #13 from Diego Martin  2012-02-11 17:25:41 CST ---
(In reply to comment #11)
> This is caused by bad buffer wrap-around logic. This little diff should fix it.
> We're working on other changes to dsound, so I'll see what happens with those
> changes before pushing this one out.
>
> diff --git a/dlls/dsound/mixer.c b/dlls/dsound/mixer.c
> index e61c93d..62c1b9e 100644
> --- a/dlls/dsound/mixer.c
> +++ b/dlls/dsound/mixer.c
> @@ -573,8 +573,7 @@ static DWORD DSOUND_MixInBuffer(IDirectSoundBufferImpl
> *dsb, DWORD writepos, DWO
>     /* increase mix position */
>     dsb->primary_mixpos += len;
> -
>   if (dsb->primary_mixpos >= dsb->device->buflen)
> -
>           dsb->primary_mixpos -= dsb->device->buflen;
> -
>   dsb->primary_mixpos %= dsb->device->buflen;
>   return len;
>
> }

It will be great if this bug is repaired before final release of version 1.4
The bug is affecting the whole app which was correctly running some releases
ago.