I have a similar problem with a device disappearing - in my case on
closing an application like Rhythmbox that was using it.
I have in .asoundrc:
# Encode AC3 -> Directly on hardware
pcm.Filter_A52Encode {
type a52
bitrate 448
card NVidia
}
# Rate Converter to 48kHz, needed for Pulseaudio it seems
pcm.Filter_RateConvert {
type rate slave {
pcm "Filter_A52Encode" rate 48000
}
}
and in default.pa:
load-module module-alsa-sink device=Filter_RateConvert rate=48000
channels=6 tsched=0 sink_properties=device.description=SPDIF
sink_name=SPDIF
Music plays through AC3 via SPDIF through Pulseaudio and Alsa, but
when I close the application (eg. Rhythmbox music player), the SPDIF
(Filter_RateConvert) output "disappears".
I have attached a back trace: pulseaudiooutput_rateconverter.txt
I think it's here where the Filter_RateConvert sink gets unloaded
for some reason:
I: client.c: Freed 1 "Rhythmbox"
I: protocol-native.c: Connection died.
I: module.c: Unloading "module-alsa-sink" (index: #4).
D: module-always-sink.c: Autoloading null-sink as no other sinks detected.
Is the sink being wrongly unloaded? Or is it correctly unloaded on
Rhythmbox exit but wrong that it is not then reloaded afterwards?
** Attachment added: "pulseaudiooutput_rateconverter.txt"
http://launchpadlibrarian.net/51577416/pulseaudiooutput_rateconverter.txt
--
Hardware device disappearing from Sound Preferences on ASUS 0x104381b3
https://bugs.launchpad.net/bugs/465942
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