[ivtv-users] ivtv audio stops after some time

[Bruce Taber]

Jerry Geis wrote:
>> I've been having the problem of missing audio after a period of time
>> recording the radio. After some unspecified period of time (sometimes up
>> to a week) my recordings suddenly are devoid of audio. What I have just
>> seen is that the audio is indeed muted.
>>
>> That can be seen with v4l2-ctl --logstatus. There is a line:
>>     msp3400 2-0040: Audio:    volume 58880 (muted)
>>
>> I can unmute the audio with v4l2-ctl -c mute=0 and all is well. However,
>> why does it get spontaneously muted?
>>
>> Bruce
>>   
> I did the log status command again and piped that through grep -i vol
> and there was nothing printed. (I looked first and did not see it so I 
> did the grep).
> 
> anyway for grins I did the v4l2-ctl -c mute=0, redid the cat /dev/video 
>  > foo.mpg and
> still no audio.
> 
> Jerry
> 
> 
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I suspect the reason you are getting different results is due to the
fact that you are using 0.10.6 ivtv driver on centos. I'm using a later
version of the driver on 2.6.25.14-108.fc9.x86_64 x86_64

 ivtv0: Version: 1.2.0 Card: Hauppauge WinTV PVR-350
 ivtv1: Version: 1.2.0 Card: WinTV PVR 500 (unit #1)