[AD] [ alleg-Bugs-2859274 ] pulseaudio driver needed

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Bugs item #2859274, was opened at 2009-09-15 08:50
Message generated for change (Comment added) made by konforce
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Category: Addons
Group: 4.9
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Elias Pschernig (elias)
Assigned to: Nobody/Anonymous (nobody)
Summary: pulseaudio driver needed

Initial Comment:
Both Debian and Ubuntu switched to pulseaudio recently. While personally I think that's a very bad idea, it's unlikely to change. When PA is used it takes over alsa (and oss) - but using the fake alsa doesn't work with most applications (see http://pulseaudio.org/wiki/PerfectSetup). It also doesn't work very well in A5, even after supporting r/w transfer in addition to mmap.

This means, we need an audio driver which directly talks to PA. The API is very simple luckily, a driver won't be hard to write: http://0pointer.de/lennart/projects/pulseaudio/doxygen/simple.html

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>Comment By: Matthew Leverton (konforce)
Date: 2009-09-16 20:21

Message:
I committed a PulseAudio driver. The buffering parameters still need to be
set to sensible values for it to work well. The default values (i.e.,
passing NULL for the buffer_attr) gave me a 1 second lag. The current
values eliminated the lag, but introduced some popping, especially
noticeable in the ex_stream_seek.

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