At Fri, 5 Jun 2009 12:28:29 +0800, Wu Fengguang wrote: > > On Thu, Jun 04, 2009 at 08:29:25AM +0200, Takashi Iwai wrote: > > At Thu, 4 Jun 2009 14:05:52 +0800, > > Wei Ni wrote: > > > > > > Yes, my test wav file is from Windows. > > > > > > I had used different player to test with my test wav file. > > > The mplayer has no mapping problem, but other players map channels > > > wrong. > > > As you said, it seems that is caused by the difference of the ALSA and > > > Windows. > > > > I guess mplayer corrects the channel mapping automatically. > > > > > Unfortunately, our nvidia codec doesn't support channel-slot assignment > > > yet. > > > > OK. > > > > > How could we fix this problems, do you have any suggestions? > > > > It's a bit difficult issue right now. Usually we could "fix" the > > channel mapping in alsa-lib configuration. But, HD-audio has currently > > a single alsa-lib configuration, and others may use the right channel > > mapping. > > > > I don't remember how is the case of Intel HDMI... Can anyone check? > > The codecs I tested - G35/G45/GM45 - does not support the channel-slot > assignment. I guess future hardwares may support that. OK, and the channel assignment is also FL/FR/C/LFE/RL/RR, right? thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel