thomas schorpp wrote: > thomas schorpp wrote: > >>hi >> >>1. >>using ac3dec with vdr or /usr/bin/speaker-test with plug:surround51 >>(/usr/share/alsa/pcm/surround51.conf) >>on a (crosschecked) sunnyline 5.1 headset it turns out here that the channels >>arrangement on the analog output jacks does not >>conform to the "reference" channels arrangement of the cmedia ms-windows >>driver/user space sw... >> >>a) >>BTW in this operating mode the mixer controls have no effects here and sounds >>seems to lack LFE. > > > correction: the available mute controls work > > >>VLC fails using the 5.1 mode of this device, too. >> >>b) >>is there a way to change the channel arrangement (especially C/LFE swap) in >>userspace? >> >>yes, ive read most of the availlable conf docs at the project site but this >>rests as "cryptic code" to me, >>who can read and understand this pcm conf stuff language? nor i can find a >>starting point for >>days now. ok, the driver loads and asound.state is restored but how are these >>conf files involved, i cant >>see the flow chain for now. > > > ok, ive found a short introducory doxygen documentation about configuration > in the debian > libasound2-doc package, but questions left. > > >>if the ac'97 patch source of the driver is incomplete or unadapted i would >>gladly help out on the dev list >>then. >> >>and c-media corp. are cool guys, look there ;) http://www.cmedia.com.tw/ : >> >>Product File >>(Click to Download) Version Release Date OS Category >>CMI9761 Please visit http://www.alsa-project.org/ >>Linux Hyperlink >> >>:D ... so I hope the devs have got the "actual" specs availlable if they are >>supposed to do support >>work (in agreement?) for cmedia... >> >>2. >>to get software controls and equalizer ive first tried to pipe through >>mplayer but expectedly >>didnt work. can i use gstreamer...? > > > nobody interested? do you all use external spdif receiver-amps? >
http://alsa.opensrc.org/SurroundSound ok, theres more config todo, i post it to the list, if i get a sufficent setup together, ttable...hmm > > >> >>regards, >>tom > ------------------------------------------------------- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnk&kid=107521&bid=248729&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user