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Simon Elliott
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 Posted: Thu Jan 05, 2006 3:27 pm Post subject: Windows PlaySound () strangeness |
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I always thought that I understood the Windows PlaySound() API function:
With the flag SND_ASYNC, the sound is played asynchronously and
PlaySound() returns immediately after beginning the sound.
with the flag SND_SYNC, PlaySound() returns after the sound event
completes.
However I've been testing some code which calls PlaySound() from within
a thread, with SND_SYNC set, and the PlaySound() call returns long
before the sound has finished playing. For a 60 second sound, the
PlaySound() call returns after less than 500 milliseconds. In fact,
it's behaving a lot like it should with SND_ASYNC.
This is happening both on a W2K box with SP4, and XP with SP2. Has
anyone else seen this?
--
Simon Elliott http://www.ctsn.co.uk
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Simon Elliott
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| Posted: Thu Jan 05, 2006 3:53 pm Post subject: Re: Windows PlaySound () strangeness |
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On 05/01/2006, I wrote:
(some stuff about PlaySound())
On further investigation this was due to a race condition in my code
which set the "PlaySound() finished" flag before PlaySound() had
actually finished...
--
Simon Elliott http://www.ctsn.co.uk
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