DSOUND: reset device playpos/mixpos on buflen change (Was Re:
Failing assertion in dsound test, please confirm)
Alex Villacís Lasso
a_villacis at palosanto.com
Mon Jun 25 13:15:08 CDT 2007
Maarten Lankhorst escribió:
> Alex Villacís Lasso schreef:
>
>> I am experiencing a failing assertion in a dsound test. Could you
>> please confirm if it is just me (and then it would be a configuration
>> issue), or if anybody else is experiencing failing assertions:
>>
> Confirmed, I' ll take a closer look at it.
>
> Maarte
I think I found the cause of this failing assertion. When creating the
sound buffer, or otherwise updating the value of device->buflen,
device->playpos and device->mixpos should be reset to 0. Otherwise, if
the new buffer length is shorter than the (leftover) position at
device->playpos , an assertion fails around line 823 of
dlls/dsound/mixer.c and it terminates the test (and possibly some
programs too).
Changelog:
* Reset device playpos/mixpos when updating buflen, to prevent assertion
from triggering
--
perl -e '$x=2.4;print sprintf("%.0f + %.0f = %.0f\n",$x,$x,$x+$x);'
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