Em 26-10-2010 10:58, Florian Klink escreveu: > Hi, > >> The sound comes from alsa device. Several em28xx types provide >> standard USB audio. So, >> snd-usb-audio handles it. That's why you need >> alsa:adevice=hw.2,0:forceaudio at mplayer. > > ... but thats my problem. > sound doesn't appear inside mplayer, even with the command line options set > to use the "external" alsa device. However, "arecord -D hw:2,0 -r 32000 -c 2 > -f S16_LE | aplay -" plays the sound, but only before mplayer tried to access > the sound card
Have you tried my patch? If you're using alsa:adevice=hw.2,0:forceaudio at mplayer, you should not be running arecord/aplay. You need to use one solution or the other. > > When trying to play sound with arecord again after mplayer tried to access > it, I have to re-plug the card to get it playing sound over arecord again, > video only seems to not break it. There is no error message or something in > arecord when it's not playing anything, just silence and the same command > line output. > > Is there maybe anything with the sample format S16_LE or something that > confuses mplayer/the driver/whatever? > > Strange problem... > > mplayer output (mplayer -v -tv > driver=v4l2:input=0:device=/dev/video1:alsa:adevice=hw.2,0:forceaudio tv://): > http://pastebin.com/yTV300iG > > Florian > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
