[mythtv-users] bad analog recordings from PVR-150

Nick Rout nick.rout at gmail.com
Thu Jul 9 04:14:26 UTC 2009


On Thu, Jul 9, 2009 at 3:26 PM, Alan Marchiori<alan at alanmarian.com> wrote:
> I added a pvr-150 just for the heck of it.  The recording quality is
> really bad, however.  Almost like there is something wrong with the
> card/drivers/setup it doesn't seem to synchronize to the video
> properly.  My old nanalog tv gets a perfect picture from the same
> source.
>
> a short
> cat /dev/video0 > bad2.mpg
> is located at http://alamode.mines.edu/~amarchio/bad2.mpg
>
> the ivtv syslog entries are:
> [    6.306228] ivtv:  Start initialization, version 1.4.0
> [    6.306375] ivtv0: Initializing card #0
> [    6.306378] ivtv0: Autodetected Hauppauge card (cx23416 based)
> [    6.311990] ivtv 0000:01:06.0: PCI INT A -> Link[LNKA] -> GSI 17
> (level, low) -> IRQ 17
> [    6.361458] ivtv0: Autodetected Hauppauge WinTV PVR-150
> [    6.456485] cx25840 0-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
> [    6.458640] tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0)
> [    6.458661] wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0)
> [    6.530379] ivtv0: Registered device video0 for encoder MPG (4096 kB)
> [    6.530414] ivtv0: Registered device video32 for encoder YUV (2048 kB)
> [    6.530447] ivtv0: Registered device vbi0 for encoder VBI (1024 kB)
> [    6.530512] ivtv0: Registered device video24 for encoder PCM (320 kB)
> [    6.530514] ivtv0: Initialized card #0: Hauppauge WinTV PVR-150
> [    6.530548] ivtv:  End initialization
> [   20.572211] ivtv 0000:01:06.0: firmware: requesting v4l-cx2341x-enc.fw
> [   20.677881] ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
> [   20.876207] ivtv0: Encoder revision: 0x02060039
>
> any thoughts?

yes your stream appears to be 480x480 pixels. Try 720x480 (I think
thats the NTSC dimensions, PAL will be 720x576)


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