[mythtv-users] /dev/video0 works UNTIL myth records, video1 works all the time

Rudy Zijlstra mythtv at edsons.demon.nl
Tue Jan 2 16:57:01 UTC 2007


Justin Walther wrote:

>Rudy,
>by full framerate, do you mean recording 720x480 instead of the
>default 480x480 that mythtv defaults to?  
>
Yup, thats the intention. Full frame size, no scaling.

>I just tried changing my
>recording profiles to 720x480 and I think that just fixed it.  I'm
>still testing some more but I'm now recording on both devices.
>
>  
>
OK, so same problem i ran into.

>For what its worth, the ivtv dmesg output was just grep ivtv, not the
>full output.  Here it is for card 1:
>
>  
>
yes, please always with ivtv post the full output, not just the ivtv 
labeled output.

Rudy

>ivtv1: Autodetected Hauppauge card (cx23416 based)
>PCI: Enabling device 0000:06:01.0 (0010 -> 0012)
>ACPI: PCI Interrupt 0000:06:01.0[A] -> GSI 22 (level, low) -> IRQ 90
>ivtv1: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
>tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1)
>saa7115 2-0021: saa7115 found @ 0x42 (ivtv i2c driver #1)
>msp3400 2-0040: MSP3445G-B8 found @ 0x80 (ivtv i2c driver #1)
>msp3400 2-0040: MSP3445G-B8 supports radio, mode is autodetect and autoselect
>tveeprom 2-0050: Hauppauge model 32062, rev B185, serial# 7363128
>tveeprom 2-0050: tuner model is TCL 2002N 6A (idx 85, type 50)
>tveeprom 2-0050: TV standards NTSC(M) (eeprom 0x08)
>tveeprom 2-0050: audio processor is MSP3445 (idx 12)
>tveeprom 2-0050: decoder processor is SAA7115 (idx 19)
>tveeprom 2-0050: has no radio, has IR remote
>ivtv1: Autodetected Hauppauge WinTV PVR-250
>ivtv1: Encoder revision: 0x02050032
>ivtv1: Registered device video1 for encoder MPEG
>ivtv1: Registered device video33 for encoder YUV
>ivtv1: Registered device vbi1 for encoder VBI
>ivtv1: Registered device video25 for encoder PCM audio
>tuner 2-0061: type set to 50 (TCL 2002N)
>ivtv1: Initialized Hauppauge WinTV PVR-250, card #1
>ivtv:  ====================  END INIT IVTV  ====================
>
>On 1/2/07, Rudy Zijlstra <mythtv at edsons.demon.nl> wrote:
>  
>
>>Justin Walther wrote:
>>
>>    
>>
>>>I do have these lines in modprobe.conf:
>>># ivtv modules setup
>>>alias char-major-81 videodev
>>>alias char-major-81-0 ivtv
>>>alias char-major-81-1 ivtv
>>>
>>>
>>>      
>>>
>>These aliases are OK
>>
>>    
>>
>>>Do I not need these?!
>>>
>>>About checking that I'm recording at full frame size...I'm a little
>>>lost there.  I'm basically not touching any recording profile settings
>>>in myth before attempting to record programs when the card fails.  I
>>>thought the defaults would work fine.  Another thing to remember is
>>>that my other card works just fine with whatever settings I have
>>>setup, including whats in modprobe.conf.
>>>
>>>
>>>      
>>>
>>that what i was thinking, and i had unwatchable video. This on a fresh
>>myth install. Swapped the card (PVR500) with a known working card, and
>>the problem remained in the new install. Checked the settings, changed
>>to full frame capture and my problems were gone.
>>I had problems on both tuners of the 500 though. Still, worth trying...
>>
>>    
>>
>>>I mentioned it at the bottom of my original e-mail about how when I
>>>set these cards up a few years go, I had to use different options in
>>>modprobe.conf for the cards despite them being identical.  I can't
>>>help but wonder if that is somehow related to my current problem.
>>>
>>>
>>>      
>>>
>>Perhaps. Looking at your dmesg, i am also missing the eeprom output
>>lines. Are you certain you have all lines between START INIT IVTV and
>>END INIT IVTV?
>>
>>    
>>
>>>      
>>>
>>>>>          
>>>>>
>>>>Although i see tuner detected messages, i am not seeing any tuner being
>>>>set. Also, are you sure you have no ivtv related lines in modconf? There
>>>>should be none.
>>>>
>>>>Furthermore, check that you capture at full frame size, and are not
>>>>scaling. A known bug in the current driver range (valid on both 0.8 and
>>>>0.9 is that scaling does not work. Or at least vbi and scaling combined
>>>>result in problems. For safety i would try to set to full NTSC size and
>>>>retry.
>>>>
>>>>Rudy
>>>>
>>>>
>>>>        
>>>>



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