Ingo Müller schrieb: > Hi! > > Did you see the softvol master volume howto? If you don't get it to work > in another way, maybe this one may help you: > > http://alsa.opensrc.org/How_to_use_softvol_to_control_the_master_volume Yes, I tried, it didn't work. > If you have any questions or suggestions for the howto, please let me know. OK, so I followed the guide: $ aplay -L default:CARD=V8237 VIA 8237, VIA 8237 Default Audio Device front:CARD=V8237,DEV=0 VIA 8237, VIA 8237 Front speakers surround40:CARD=V8237,DEV=0 VIA 8237, VIA 8237 4.0 Surround output to Front and Rear speakers surround41:CARD=V8237,DEV=0 VIA 8237, VIA 8237 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=V8237,DEV=0 VIA 8237, VIA 8237 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=V8237,DEV=0 VIA 8237, VIA 8237 5.1 Surround output to Front, Center, Rear and Subwoofer speakers iec958:CARD=V8237,DEV=0 VIA 8237, VIA 8237 IEC958 (S/PDIF) Digital Audio Output null Discard all samples (playback) or generate zero samples (capture) It wasn't clear for me what is meant by: "To test this device, use: speaker-test -D<device name> -c<channel number> -twav" Especially, what is the <device>, and the <channel number>. I tried "CARD=V8237", "VIA 8237", and in the end, "default" and "front" worked, combined with a channel of 0 or 1. Perhaps it needs some clarification. Then, I began to create .asoundrc: $ cat .asoundrc pcm.softvol { type softvol slave { pcm "default" } control { name "testdevice" card 0 } } Running speaker-test confirmed I get some audio: $ speaker-test -Dsoftvol -c0 -twav speaker-test 1.0.14rc2 Playback device is softvol Stream parameters are 48000Hz, S16_LE, 1 channels WAV file(s) Rate set to 48000Hz (requested 48000Hz) Buffer size range from 32 to 32768 Period size range from 16 to 16384 Using max buffer size 32768 Periods = 4 was set period_size = 8192 was set buffer_size = 32768 0 - Front Left Time per period = 0,867245 0 - Front Left Then, I followed the "Make applications use it" part of the guide, and this is where I got stuck - to the bottom of .asoundrc I added: pcm.!default { type plug slave.pcm "softvol" } Now, it doesn't work anymore: $ speaker-test -Dsoftvol -c0 -twav speaker-test 1.0.14rc2 Playback device is softvol Stream parameters are 48000Hz, S16_LE, 1 channels WAV file(s) ALSA lib conf.c:4036:(snd_config_check_hop) Too many definition levels (looped?) Playback open error: -22,Invalid argument ALSA lib conf.c:4036:(snd_config_check_hop) Too many definition levels (looped?) Playback open error: -22,Invalid argument ALSA lib conf.c:4036:(snd_config_check_hop) Too many definition levels (looped?) Playback open error: -22,Invalid argument Google didn't reveal much information about "Too many definition levels". My whole .asoundrc looks like that: $ cat .asoundrc pcm.softvol { type softvol slave { pcm "default" } control { name "testdevice" card 0 } } pcm.!default { type plug slave.pcm "softvol" } So still, I don't know how to configure the audio device so that it works properly (including regulating volume using master fader. -- Tomasz Chmielewski http://wpkg.org ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
