On 2010-11-09, Jaroslav Kysela <perex@xxxxxxxx> wrote: > On Tue, 9 Nov 2010, Mohammad Bahathir Hashim wrote: > >> On 2010-11-09, David Henningsson <david.henningsson@xxxxxxxxxxxxx> wrote: >>> I have seen a few HDMIs which share the HDA controller with the onboard >>> sound card, but the codecs are different, e g the onboard one is at >>> address #0 and the HDMI is at address #3 - or even #3, #7, #8 and #9 in >>> some cases. >>> >>> Now, if the user specifies the device string hdmi:x (where x is card >>> name/number), I'd like it to kind of autodetect this and use DEV=3 >>> instead of DEV=0, and without breaking the cards where the hdmi is a >>> separate card with a codec at address #0. However, it still seems like >>> the device is at DEV=3 somehow. >>> >>> Now, looking at /usr/share/alsa/cards/HDA-Intel.conf, I notice that >>> there are entries HDA-Intel.pcm.hdmi.0 which sets DEV=3, so it seems >>> like someone already thought of this. However, just using "hdmi:x" does >>> not trigger "DEV=3". I'm still not grepping all of the alsa lisp >>> architecture stuff, so could someone explain to me how the >>> HDA-Intel.pcm.hdmi.0 entry relates to the "hdmi:x" alsa device string? >>> >> >> I am not sure about Intel HDMI, but, in my case with MacbookPro 6,2 >> (15" Mid 2010); the HDMI audio stream via NVIDIA HDMI can only be >> started if I use hw:1,7 (or Mplayer's -ao alsa:device=hw=1.7). No > > This should be equal to '-ao alsa:device=hdmi=1.1' (hdmi:1,1 in ALSA > naming). > > Jaroslav > > ----- > Jaroslav Kysela <perex@xxxxxxxx> > Linux Kernel Sound Maintainer > ALSA Project, Red Hat, Inc. Ok, I tried the -ao alsa:device=hdmi=1.7 ... but, MPlayer complains; [AO_ALSA] alsa-lib: confmisc.c:1286:(snd_func_refer) Unable to find definition 'cards.HDA-Intel.pcm.hdmi.7:CARD=1,AES0=4,AES1=130,AES2=0,AES3=2' [AO_ALSA] alsa-lib: conf.c:4154:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory [AO_ALSA] alsa-lib: conf.c:4633:(snd_config_expand) Evaluate error: No such file or directory [AO_ALSA] alsa-lib: pcm.c:2211:(snd_pcm_open_noupdate) Unknown PCM hdmi:1,7 [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hdmi=1.7' Could not open/initialize audio device -> no sound. In other words, in current default alsa configuration, 'hdmi' keyword is only for Intel HDMI HDA. But, for MacbookPro6,2 , I need to use NVIDIA HDMI. That's why (-ao alsa:device=hw=1.7) is much better option; for more generic purposes. :) Thank you. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
