'Twas brillig, and Jan Kasprzak at 07/01/09 22:58 did gyre and gimble: > Hello, > > thanks for the module-remap-sink - this is apparently excatly what I need > to have virtual soundcards for my dual-seat setup. > > However, I am probably doing something wrong, because even when > I move the stream to another virtual sink, almost all outputs still play. > The detailed description follows: > > My OS is Fedora 10/x86_64 (pulseaudio-0.9.13-6.fc10.x86_64). > > My hardware is ASUS M3A32-MVP mainboard. The sound device is reported > by lspci as "ATI Technologies Inc SBx00 Azalia", alsamixer -D hw:0 reports > "Card: HDA ATI SB", and "Chip: Analog Devices AD1988B". This card has six > rear jacks, described in manual as > > Line in > Line out (front speakers or headphones) > Microphone > Center/Subwoofer > Rear speakers > Side speakers > > I have tried to disable module-hal-detect and module-detect > in /etc/pulse/default.pa, and instead added the following physical > device, and four virtual devices: > > load-module module-alsa-sink sink_name=eightchannel device=hw:0 channels=8 channel_map=front-left,front-right,rear-left,rear-right,center,subwoofer,side-left,side-right > > load-module module-remap-sink sink_name=virtfront master=eightchannel channels=2 master_channel_map=front-left,front-right channel_map=front-left,front-right > > load-module module-remap-sink sink_name=virtrear master=eightchannel channels=2 master_channel_map=rear-left,rear-right channel_map=front-left,front-right > > load-module module-remap-sink sink_name=virtcentersub master=eightchannel channels=2 master_channel_map=center,subwoofer channel_map=front-left,front-right > > load-module module-remap-sink sink_name=virtside master=eightchannel channels=2 master_channel_map=side-left,side-right channel_map=front-left,front-right > > Now when I create an output stream (I use mpd), I can see it > in pavucontrol, and I can see all five sinks. The only problem is that the > sinks are not labeled by their sink_names, but instead the first one is > "HDA ATI SB AD198x Analog", and all four others are labeled > "Remapped HDA ATI ...", which is kind of unreadable. That's certainly not idea :s > > When I redirect the mpd stream to any of the above sinks > except the "virtcentersub", the sound is playing in all four output jacks, > only in the Center/subwoofer jack the right channel remains silent. > > When I redirect the mpd stream to the "virtcentersub" sink, > all output jacks remain silent, except the Center/Subwoofer jack > now plays correctly both channels (which is what I expect it to do). > > I have also verified that I have the channels in the "eightchannel" > sink set up correctly - when I move their respective sliders in pavucontrol, > I can hear the volume change of the correct channel of the correct jack. > > So my question is - why the sound always plays to all channels > (except the right channel of the center/subwoofer jack) even when directed > through the module-remap-sink to only one jack? My first guess would be to check your alsa switches (alsamixer -c 0) to make sure you've not got some kind of option to "mix front, rear and side channels together in some magic way" turned on. Col -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mandriva Linux Contributor [http://www.mandriva.com/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]
