Difference between revisions of "PulseAudio"
From Vague Hope Wiki
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pacmd load-module module-rtp-send source=@DEFAULT_MONITOR@ destination=127.0.0.1 port=46998 loop=1 | pacmd load-module module-rtp-send source=@DEFAULT_MONITOR@ destination=127.0.0.1 port=46998 loop=1 | ||
− | cvlc rtp://@127.0.0.1:46998 ":sout=#transcode{acodec=mp3,ab=192,channels=2}:duplicate{dst=rtp{dst=192.168.0.211,mux=ts,port=12345,rtcp-mux=true | + | cvlc rtp://@127.0.0.1:46998 ":sout=#transcode{acodec=mp3,ab=192,channels=2}:duplicate{dst=rtp{dst=192.168.0.211,mux=ts,port=12345,rtcp-mux=true}}" |
Receive: | Receive: |
Revision as of 01:02, 26 August 2013
Contents
General
Install:
sudo aptitude install pulseaudio pulseaudio-utils pavucontrol
Control:
pacmd pacmd help pacmd list-modules pacmd list-sinks pacmd load-module module-tunnel-sink server=192.168.0.211 pacmd load-module module-combine sink_name=combined slaves="alsa_output.pci-0000_00_1b.0.analog-surround-40,tunnel-sink.192.168.0.211" pacmd unload-module <number from list-modules>
Restart:
pulseaudio -k speaker-test -c2
Move:
pacmd list-sinks pacmd list-sink-inputs pacmd move-sink-input <x> <y>
Volume:
bash -c 'pactl -- set-sink-volume `pacmd list-sinks | grep -P -o "(?<=\* index: )[0-9]+"` -10%'
Streaming
RTP/MP3/Multicast
- http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#index7h2
- http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Network/RTP/
- http://wiki.videolan.org/VLC_command-line_help/
Broadcast:
apti libavcodec-extra-53 pacmd load-module module-rtp-send source=@DEFAULT_MONITOR@ destination=127.0.0.1 port=46998 loop=1 cvlc rtp://@127.0.0.1:46998 ":sout=#transcode{acodec=mp3,ab=256,channels=2}:duplicate{dst=rtp{dst=225.0.0.1,mux=ts,port=12345}}"
Receive:
cvlc rtp://@225.0.0.1:12345
Testing receive (may need to change addr:port):
mplayer -cache 2048 -demuxer rawaudio -rawaudio format=0x20776172 rtp://224.0.0.56:46416
RTP/MP3/Unicast
Send:
pacmd load-module module-rtp-send source=@DEFAULT_MONITOR@ destination=127.0.0.1 port=46998 loop=1 cvlc rtp://@127.0.0.1:46998 ":sout=#transcode{acodec=mp3,ab=192,channels=2}:duplicate{dst=rtp{dst=192.168.0.211,mux=ts,port=12345,rtcp-mux=true}}"
Receive:
cvlc rtp://192.168.0.211:12345
HTTP/Ogg
Broadcast:
apti libavcodec-extra-53 pacmd load-module module-rtp-send source=@DEFAULT_MONITOR@ destination=127.0.0.1 port=46998 loop=1 cvlc rtp://@127.0.0.1:46998 ':sout=#transcode{acodec=vorb,ab=128}:standard{access=http,mux=ogg,dst=0.0.0.0:13131}'
Receive:
cvlc http://192.168.0.4:13131
Service
/etc/default/pulseaudio
PULSEAUDIO_SYSTEM_START=1 DISALLOW_MODULE_LOADING=0
sudo usermod pi -a -G pulse-access
And reboot.
pacmd
When running as shared service (http://pulseaudio.org/ticket/222):
bin/shared-pacmd
#!/bin/bash if [ "$USER" == "pulse" ] ; then export PULSE_RUNTIME_PATH=/var/run/pulse pacmd else sudo -u pulse "$0" fi
References
- http://sygard.no/2010/11/dedicated-pulseaudio-network-sound-server-without-x/
- http://ubuntuforums.org/showthread.php?t=983932
- http://bda.ath.cx/blog/2009/01/23/pulseaudio-module-combine-arguments/
- http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules#DeviceDrivers
- http://www.hackerposse.com/~rozzin/journal/whole-home-pulseaudio
- http://askubuntu.com/questions/71863/how-to-change-pulseaudio-sink-with-pacmd-set-default-sink-during-playback