[pulseaudio-discuss] PulseAudio and Network Audio Devices

[Richi Plana]

On Sat, 2007-12-29 at 11:37 +0000, Colin Guthrie wrote:
> Well you were talking about using Multicast RTP to get sound to output
> on several network devices at once. I really just wanted to get the
> sound from one machine to output on one other machine. Before I really
> learned about pulse's capabilities properly I didn't realise about the
> module-tunnel-sink (which is now loaded automatically when zeroconf
> detects the presence of another pulse system on the network - previously
> you needed to load it manually). With a tunnel I can easily redirect the
> output of one machine to another which is all I really wanted. ;)

Oh. So tunnel's the name for regular peer-to-peer connectivity. Thanks.
That's what I wanted, as well. I'd rather not Multicast for my
application.

> > Are there any compile- or runtime options I could enable to help me
> > debug why the virtual devices are immediately being removed? Try to
> > figure out what's triggering the removal. Where the signal to do so is
> > originating from. Etc.
> 
> Well run pulseaudio -vvvv on both machines and look for the error
> messages that pop up. Chances are it will say "Protocol error"....

I've attached the output of pulseaudio -vvvv from both viper and duke
from the point where I clear the option to "Make discoverable network
sound devices available locally" on duke and re-enable it to where it
finally stops spouting out things.

It doesn't tell ME much, save that the "Stream died" (for who-knows-what
reason). One thing I did notice that was different was that on viper, PS
kept spouting out the line "Checking for dead streams ..." that duke did
not.
--

Richi Plana
-------------- next part --------------
I: module.c: Unloading "module-zeroconf-discover" (index: #26).
I: module.c: Unloaded "module-zeroconf-discover" (index: #26).
D: module-gconf.c: Loading module 'module-zeroconf-discover' with args '' due to GConf configuration.
I: module.c: Loaded "module-zeroconf-discover" (index: #31; argument: "").
D: module-zeroconf-discover.c: Loading module-tunnel-module-tunnel-sink with arguments 'server=[192.168.1.1]:4713 sink=alsa_output.pci_10de_59_alsa_playback_0 format=s16le channels=2 rate=48000 sink_name=tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0 channel_map=front-left,front-right'
D: module-tunnel.c: Using already loaded auth cookie.
I: sink.c: Created sink 9 "tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0" with sample spec "s16le 2ch 48000Hz"
I: source.c: Created source 12 "tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0.monitor" with sample spec "s16le 2ch 48000Hz"
D: module-tunnel.c: Thread starting up
D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+27
D: module-suspend-on-idle.c: Source tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0.monitor becomes idle.
D: module-suspend-on-idle.c: Sink tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0 becomes idle.
I: module.c: Loaded "module-tunnel-sink" (index: #32; argument: "server=[192.168.1.1]:4713 sink=alsa_output.pci_10de_59_alsa_playback_0 format=s16le channels=2 rate=48000 sink_name=tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0 channel_map=front-left,front-right").
D: module-zeroconf-discover.c: Loading module-tunnel-module-tunnel-source with arguments 'server=[192.168.1.1]:4713 source=alsa_input.pci_10de_59_alsa_capture_0 format=s16le channels=2 rate=48000 source_name=tunnel.viper.local.alsa_input.pci_10de_59_alsa_capture_0 channel_map=front-left,front-right'
D: module-tunnel.c: Using already loaded auth cookie.
I: source.c: Created source 13 "tunnel.viper.local.alsa_input.pci_10de_59_alsa_capture_0" with sample spec "s16le 2ch 48000Hz"
D: module-tunnel.c: Thread starting up
D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+26
D: module-suspend-on-idle.c: Source tunnel.viper.local.alsa_input.pci_10de_59_alsa_capture_0 becomes idle.
I: module.c: Loaded "module-tunnel-source" (index: #33; argument: "server=[192.168.1.1]:4713 source=alsa_input.pci_10de_59_alsa_capture_0 format=s16le channels=2 rate=48000 source_name=tunnel.viper.local.alsa_input.pci_10de_59_alsa_capture_0 channel_map=front-left,front-right").
D: module-tunnel.c: Connection established, authenticating ...
D: module-zeroconf-discover.c: Loading module-tunnel-module-tunnel-sink with arguments 'server=[192.168.1.1]:4713 sink=combined format=s16le channels=2 rate=44100 sink_name=tunnel.viper.local.combined channel_map=front-left,front-right'
D: module-tunnel.c: Using already loaded auth cookie.
I: sink.c: Created sink 10 "tunnel.viper.local.combined" with sample spec "s16le 2ch 44100Hz"
I: source.c: Created source 14 "tunnel.viper.local.combined.monitor" with sample spec "s16le 2ch 44100Hz"
D: module-tunnel.c: Thread starting up
D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+25
D: module-suspend-on-idle.c: Source tunnel.viper.local.combined.monitor becomes idle.
D: module-suspend-on-idle.c: Sink tunnel.viper.local.combined becomes idle.
I: module.c: Loaded "module-tunnel-sink" (index: #34; argument: "server=[192.168.1.1]:4713 sink=combined format=s16le channels=2 rate=44100 sink_name=tunnel.viper.local.combined channel_map=front-left,front-right").
D: module-tunnel.c: Connection established, authenticating ...
D: module-zeroconf-discover.c: Loading module-tunnel-module-tunnel-sink with arguments 'server=[192.168.1.1]:4713 sink=rtp format=s16be channels=2 rate=44100 sink_name=tunnel.viper.local.rtp channel_map=front-left,front-right'
D: module-tunnel.c: Using already loaded auth cookie.
I: sink.c: Created sink 11 "tunnel.viper.local.rtp" with sample spec "s16be 2ch 44100Hz"
I: source.c: Created source 15 "tunnel.viper.local.rtp.monitor" with sample spec "s16be 2ch 44100Hz"
D: module-tunnel.c: Thread starting up
D: rtpoll.c: Acquired POSIX realtime signal SIGRTMIN+24
D: module-suspend-on-idle.c: Source tunnel.viper.local.rtp.monitor becomes idle.
D: module-suspend-on-idle.c: Sink tunnel.viper.local.rtp becomes idle.
I: module.c: Loaded "module-tunnel-sink" (index: #35; argument: "server=[192.168.1.1]:4713 sink=rtp format=s16be channels=2 rate=44100 sink_name=tunnel.viper.local.rtp channel_map=front-left,front-right").
D: module-tunnel.c: Connection established, authenticating ...
D: module-tunnel.c: Connection established, authenticating ...
D: module-tunnel.c: Connection authenticated, creating stream ...
D: module-tunnel.c: Connection authenticated, creating stream ...
D: module-tunnel.c: Connection authenticated, creating stream ...
D: module-tunnel.c: Connection authenticated, creating stream ...
W: module-tunnel.c: Stream died.
I: module.c: Unloading "module-tunnel-sink" (index: #32).
D: module-rescue-streams.c: No sink inputs to move away.
D: module-rescue-streams.c: No source outputs to move away.
D: module-tunnel.c: Thread shutting down
I: sink.c: Freeing sink 9 "tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0"
I: source.c: Freeing source 12 "tunnel.viper.local.alsa_output.pci_10de_59_alsa_playback_0.monitor"
I: module.c: Unloaded "module-tunnel-sink" (index: #32).
W: module-tunnel.c: Stream died.
W: module-tunnel.c: Stream died.
I: module.c: Unloading "module-tunnel-source" (index: #33).
D: module-rescue-streams.c: No source outputs to move away.
D: module-tunnel.c: Thread shutting down
I: source.c: Freeing source 13 "tunnel.viper.local.alsa_input.pci_10de_59_alsa_capture_0"
I: module.c: Unloaded "module-tunnel-source" (index: #33).
I: module.c: Unloading "module-tunnel-sink" (index: #34).
D: module-rescue-streams.c: No sink inputs to move away.
D: module-rescue-streams.c: No source outputs to move away.
D: module-tunnel.c: Thread shutting down
I: sink.c: Freeing sink 10 "tunnel.viper.local.combined"
I: source.c: Freeing source 14 "tunnel.viper.local.combined.monitor"
I: module.c: Unloaded "module-tunnel-sink" (index: #34).
W: module-tunnel.c: Stream died.
I: module.c: Unloading "module-tunnel-sink" (index: #35).
D: module-rescue-streams.c: No sink inputs to move away.
D: module-rescue-streams.c: No source outputs to move away.
D: module-tunnel.c: Thread shutting down
I: sink.c: Freeing sink 11 "tunnel.viper.local.rtp"
I: source.c: Freeing source 15 "tunnel.viper.local.rtp.monitor"
I: module.c: Unloaded "module-tunnel-sink" (index: #35).

-------------- next part --------------
D: module-rtp-recv.c: Checking for dead streams ...
D: module-rtp-recv.c: Checking for dead streams ...
I: socket-server.c: TCP connection accepted by tcpwrap.
I: client.c: Created 3 "Native client (TCP/IP client from 192.168.1.16:46184)"
I: socket-server.c: TCP connection accepted by tcpwrap.
I: client.c: Created 4 "Native client (TCP/IP client from 192.168.1.16:46185)"
I: socket-server.c: TCP connection accepted by tcpwrap.
I: client.c: Created 5 "Native client (TCP/IP client from 192.168.1.16:46186)"
I: socket-server.c: TCP connection accepted by tcpwrap.
I: client.c: Created 6 "Native client (TCP/IP client from 192.168.1.16:46187)"
I: client.c: Client 4 changed name from "Native client (TCP/IP client from 192.168.1.16:46185)" to "PulseAudio"
I: client.c: Client 3 changed name from "Native client (TCP/IP client from 192.168.1.16:46184)" to "PulseAudio"
I: client.c: Client 6 changed name from "Native client (TCP/IP client from 192.168.1.16:46187)" to "PulseAudio"
I: client.c: Client 5 changed name from "Native client (TCP/IP client from 192.168.1.16:46186)" to "PulseAudio"
E: protocol-native.c: protocol error, kicking client
I: client.c: Freed 4 "PulseAudio"
E: protocol-native.c: protocol error, kicking client
I: client.c: Freed 3 "PulseAudio"
E: protocol-native.c: protocol error, kicking client
I: client.c: Freed 6 "PulseAudio"
E: protocol-native.c: protocol error, kicking client
I: client.c: Freed 5 "PulseAudio"
D: module-rtp-recv.c: Checking for dead streams ...
D: module-rtp-recv.c: Checking for dead streams ...
D: module-rtp-recv.c: Checking for dead streams ...