[vlc-devel] Re: big audioproblems

[Maik Diessner]

Can't believe that the drivers are buggy. RME are known for their good
drivers and best support.

All I can tell you is, that the card can handle max. 32bit fixedpoint in
MME-mode. I'm using 32bit fixedpoint in all my other applications
(foobar2000 and adobe audition for example). So it would be really nice, if
you can add an option to select the output-format!


Many thanks!!! (I also know, that RME are working on WDM-drivers. But I
don't know, when they come out ...)





> -----Original Message-----
> From: vlc-devel-bounce at videolan.org 
> [mailto:vlc-devel-bounce at videolan.org] On Behalf Of Gildas Bazin
> Sent: Friday, July 30, 2004 9:10 AM
> To: vlc-devel at videolan.org
> Subject: [vlc-devel] Re: big audioproblems
> 
> On Friday 30 July 2004 00:48, Maik Diessner wrote:
> > can any of the developers please take a look at that:
> > 
> > http://forum.videolan.org/viewtopic.php?t=3421
> > http://forum.videolan.org/viewtopic.php?t=3500
> > http://forum.videolan.org/viewtopic.php?t=2938
> > 
> > 
> > all these problems occur with vlc 0.7.2 and also with the 
> latest nightly
> > 0.7.3 (29.07.2004) on windows xp sp1 ...
> > 
> > but they only occur on some systems! read the threads for details.
> > 
> > 
> > would be really nice if these problems could be fixed ...
> > 
> 
> If you want my opinion on this, your soundcard drivers are 
> probably buggy.
> 
> The directsound emulation doesn't seem to be reporting the 
> current playing 
> position correctly thus leading VLC to believe the soundcard 
> is playing 
> either too quick or too slow and then resampling to correct 
> the problem.
> 
> The waveout driver doesn't seem to have this problem, however 
> it doesn't 
> seem to handle FLOAT32 format correctly (gives distorted 
> sound). I can add 
> an option to force waveout to use 16 bits PCM instead of 
> FLOAT32, but that 
> doesn't change the fact that the soundcard shouldn't accept 
> FLOAT32 if it 
> doesn't support it correctly.
> 
> --
> Gildas
> 
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