[mythtv-users] No audio; two weeks and still unsolved
Jeff Bevis
digijock223 at yahoo.com
Thu Sep 28 04:36:44 UTC 2006
Interesting! The amixer reports:
======
Simple mixer control 'Headphone',0
Simple mixer control 'PCM',0
Simple mixer control 'Front',0
Simple mixer control 'Front Mic',0
Simple mixer control 'Surround',0
Simple mixer control 'Center',0
Simple mixer control 'LFE',0
Simple mixer control 'Side',0
Simple mixer control 'Line',0
Simple mixer control 'CD',0
Simple mixer control 'Mic',0
Simple mixer control 'IEC958',0
Simple mixer control 'Capture',0
Simple mixer control 'Capture',1
Simple mixer control 'Input Source',0
Simple mixer control 'Input Source',1
======
So, it would appear that I do in fact have a PCM control, and that
should've worked. So I backed up a bit and set the thing up for "mixer
controls PCM" again. Here's what came out (after restarting the software):
======
0: start_time: 0.036 duration: 8589.932
1: start_time: 0.026 duration: 0.004
stream: start_time: 0.289 duration: 95443.795 bitrate=0 kb/s
2006-09-27 21:30:28.691 AFD: Opened codec 0x1994980, id(MPEG2VIDEO)
type(Video)
2006-09-27 21:30:28.691 AFD: Opened codec 0x199bee0, id(MP2) type(Audio)
2006-09-27 21:30:28.708 Opening audio device 'default'.
2006-09-27 21:30:28.824 mixer unable to find control Master
2006-09-27 21:30:28.824 mixer unable to find control Master
2006-09-27 21:30:28.833 NVP: Disabling Audio, reason is: mixer unable to
find control Master
X Error: BadMatch (invalid parameter attributes) 8
Major opcode: 141
Minor opcode: 14
Resource id: 0x147
2006-09-27 21:30:29.683 Realtime priority would require SUID as root.
2006-09-27 21:30:29.683 TV: Changing from None to WatchingLiveTV
2006-09-27 21:30:29.851 Video timing method: USleep with busy wait
======
Still trying to find control "Master" ... which does not appear in my
mixer controls. PCM does, but Master does not. Strange not to have any
Master level control, I would think. But that may be another issue for
later. (or not...)
Anyway, my question has now morphed into "Can you use PCM control
without having a Master control, too." Because if the answer is NO, I
am still hosed and that explains the error message "mixer unable to find
control Master". Back to the script solution in that case.
Since my motherboard is new, and based on NVidia NForce430, I would
expect that a lot of people would be having this same kind of problem.
But this does not appear to be true (is it?). So I am still expecting
to find that I have misconfigured something along the way.
Does the presence of PCM (and not Master) shed any new light on the
situation?
-Jeff
Michael T. Dean wrote:
> On 09/27/06 00:58, Jeff Bevis wrote:
>
>
>> Michael T. Dean wrote:
>>
>>>> 2006-09-25 15:50:30.247 Opening audio device 'default'.
>>>> *2006-09-25 15:50:30.369 mixer unable to find control Master
>>>> 2006-09-25 15:50:30.369 mixer unable to find control Master
>>>> 2006-09-25 15:50:30.371 NVP: Disabling Audio, reason is: mixer unable
>>>> to find control Master*
>>>>
>>>>
>>> http://www.gossamer-threads.com/lists/mythtv/users/216149#216149
>>>
>>>
>> ... Can't find control "Master" either. No PCM, no Master. ...
>>
>
> So, you need to use a script like the one in the post I linked to
> (probably just use that one and customize as described in the
> comments). You can find out what controls are available with:
>
> amixer scontrols
>
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