Am Dienstag, den 12.08.2008, 14:25 +0100 schrieb Colin Guthrie: > Achim Frase wrote: > > If I try to record 5.1 sound with this command line the channels get > > mixed up. > > > > gst-launch pulsesrc > > device=alsa_output.pci_8086_284b_sound_card_0_alsa_playback_0.monitor ! > > queue ! audio/x-raw-float,rate=44100,channels=6 ! audioconvert ! > > vorbisenc quality=.8 ! oggmux ! filesink location=outtest.ogg > > > > If someone finds the time to look at it, that would be nice. > > http://bugzilla.gnome.org/show_bug.cgi?id=547258 > > I think channel mapping is a bit of a black art. You may need to specify > your own channel map when loading the alsa source.... although as you > are using a monitor, you perhaps need a "remap source" module loaded > (which is a shame as AFAIK, there is only a remap-sink module right now!). okay, interesting. > All that said, as it presumably works fine for output, you'd expect that > recording from the monitor, you'd get a file that you could then output > properly. Yes, my channel mapping seems to work quite good for playback (out-of-the-box). But it is a bit tricky to record 5.1 Sound. I was not able to record the sound properly with pacat. I have tried some options but without much success. > That said, I've had issues with oggs before where they get the mapping > wrong :s Thanks for your help so far. Regards Achim
