[mythtv-users] Testing HDMI

[Jan Schneider]

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.

Jan.

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