[mythtv-users] Testing HDMI

[Geoffrey Leach]

On 03/25/2009 04:09:36 PM, Jan Schneider wrote:
> Zitat von Geoffrey Leach <geoff at hughes.net>:
> 
> > On 03/24/2009 04:31:25 PM, Jan Schneider wrote:
> >> Zitat von Geoffrey Leach <geoff at hughes.net>:
> >>
> >> > On 03/23/2009 09:29:20 PM, James wrote:
> >> >> > My new frontend/backend is based on the ASUS P5N7A-VM which
> >> >> provides
> >> >> > HDMI output (and much else) using the Nvidia nForce 730i.
> Video
> >> is
> >> >> > excellent at 1080p through the HDMI output connector to a 
> Sony
> >> >> Bravura
> >> >> > LCD.
> >> >> >
> >> >> > Here's the problem. There's no audio. The required ALSA
> drivers
> >> are
> >> >> > provided by Fedora 10 and the sound chips are recognized.
> >> Earphone
> >> >> > connection works fine.
> >> >> >
> >> >> > I know the HDMI cable works. However, neither piece of gear
> that
> >> >> was
> >> >> > once on either end of the cable is around any more, so I have
> no
> >> >> way
> >> >> of
> >> >> > determining which end of the cable is not working.
> >> >> >
> >> >> > Any suggestions?
> >> >>
> >> >> What is the output of:
> >> >> aplay -l
> >> > **** List of PLAYBACK Hardware Devices ****
> >> > card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888
> >> Analog]
> >> >   Subdevices: 1/1
> >> >   Subdevice #0: subdevice #0
> >> > card 0: NVidia [HDA NVidia], device 1: ALC888 Digital [ALC888
> >> Digital]
> >> >   Subdevices: 1/1
> >> >   Subdevice #0: subdevice #0
> >> >
> >> >> aplay -L
> >> > default:CARD=NVidia
> >> >     HDA NVidia, ALC888 Analog
> >> >     Default Audio Device
> >> > front:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     Front speakers
> >> > surround40:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     4.0 Surround output to Front and Rear speakers
> >> > surround41:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     4.1 Surround output to Front, Rear and Subwoofer speakers
> >> > surround50:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     5.0 Surround output to Front, Center and Rear speakers
> >> > surround51:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     5.1 Surround output to Front, Center, Rear and Subwoofer
> >> speakers
> >> > surround71:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Analog
> >> >     7.1 Surround output to Front, Center, Side, Rear and Woofer
> >> > speakers
> >> > iec958:CARD=NVidia,DEV=0
> >> >     HDA NVidia, ALC888 Digital
> >> >     IEC958 (S/PDIF) Digital Audio Output
> >> > null
> >> >     Discard all samples (playback) or generate zero samples
> >> (capture)
> >> >
> >> > FWIW, iec958 is un-muted via alsamixer
> >>
> >> The hdmi output is missing. This is how it should look like
> (similar
> >> MB, alsa 1.0.19):
> >>
> >> default:CARD=NVidia
> >>      HDA NVidia, ALC1200 Analog
> >>      Default Audio Device
> >> front:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      Front speakers
> >> surround40:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      4.0 Surround output to Front and Rear speakers
> >> surround41:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      4.1 Surround output to Front, Rear and Subwoofer speakers
> >> surround50:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      5.0 Surround output to Front, Center and Rear speakers
> >> surround51:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      5.1 Surround output to Front, Center, Rear and Subwoofer
> >> speakers
> >> surround71:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Analog
> >>      7.1 Surround output to Front, Center, Side, Rear and Woofer
> >> speakers
> >> iec958:CARD=NVidia,DEV=0
> >>      HDA NVidia, ALC1200 Digital
> >>      IEC958 (S/PDIF) Digital Audio Output
> >> hdmi:CARD=NVidia,DEV=0
> >>      HDA NVidia, NVIDIA HDMI
> >>      HDMI Audio Output
> >> null
> >>      Discard all samples (playback) or generate zero samples
> >> (capture)

> >>
> >
> > This seems to have nailed my problem. Allen Edwards also pointed 
> out
> > the aplay -L appears to be missing a third device. This would seem
> to
> > indicate that I'm missing the codec for HDMI.
> >
> > On your system, what does 'cat /proc/asound/version' say? I get
> > 	Advanced Linux Sound Architecture Driver Version 1.0.17.
> > which strikes me as odd. Perhaps my kernel (stock
> > 2.6.27.12-170.2.5.fc10) has an out-of-date driver?
> 
> You need alsa 1.0.19. I remember you said you had that version  
> installed? Seems like you don't.
> 

Ah, yes. Distinction between clients and driver. Former installed 
1.0.19 from rpm. Later comes with the kernel, 1.0.17 in latest F 10.
Drivers for 1.0.19 compiled and installed. All is well now.

Thanks for the help.