Op Sun, 10 Jan 2010 01:18:13 +0100 schreef Gianluca Cecchi <gianluca.cecchi@xxxxxxxxx>: >> >> You could try >> mplayer -ao alsa:device=spdif -ac hwdts >> But I think there will be no difference. >> >> Maybe you can ask this question to the mplayer mailing list: >> mplayer-users@xxxxxxxxxxxx >> >> Sorry I can't help you... >> >> Floris > > In fact, no sound... > Eventually I will try mplayer list (another list to subscribe to... ;-( ) > If you use the Opera browser, it will sort mailing lists for you :-) > Could it be something related with sample rate, for example that on > optical I can only send at 48000Hz, in general or due to some sort of > limitation of recevier? > I ask this because with a command I found: > > mplayer -v -vo null -ao alsa:device=spdif -afm hwac3 -rawaudio > format=0x2000 -demuxer rawaudio dts_the_other_side_44khz.wav > > I don't get any sound, but the lock led switches on, the sound seems > to go faster and file temrinates quickly.... and in output I get > > Trying to force audio codec driver family hwac3... > Opening audio decoder: [hwac3] AC3/DTS pass-through S/PDIF > dec_audio: Allocating 8192 bytes for input buffer. > dec_audio: Allocating 16384 + 65536 = 81920 bytes for output buffer. > No accelerated IMDCT transform found > hwac3: switched to AC3, 80000 bps, 48000 Hz > AUDIO: 48000 Hz, 2 ch, ac3, 80.0 kbit/5.21% (ratio: 10000->192000) > Selected audio codec: [hwac3] afm: hwac3 (AC3 through S/PDIF) > ========================================================================== > Building audio filter chain for 48000Hz/2ch/ac3 -> 0Hz/0ch/??... > > and the same is true for the mkv files: > > AUDIO: 48000 Hz, 2 ch, ac3, 768.0 kbit/50.00% (ratio: 96000->192000) Nevertheless, I also wasn't be able to play DTS- or Dobly Digital-wav files on Debian Testing :-( DVD's, mkv, iso or other surround sound formats does play. Floris ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
