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v4l2 cameras in stretch.

Another stretch system has a JVC camera connected to a Hauppauge 
framegrabber.  It works no better than the USB camera referenced in the 

guest@imager:/dev$ mpv tv:// --tv-device=/dev/video0
Playing: tv://
[tv] Selected driver: v4l2
[tv]  name: Video 4 Linux 2 input
[tv] Selected device: Hauppauge WinTV PVR-150
[tv]  Tuner cap: STEREO LANG1 LANG2
[tv]  Tuner rxs: MONO
[tv]  Capabilities:  video capture  VBI capture device  tuner  audio  read/write
[tv]  supported norms: 0 = NTSC-M;
[tv]  inputs: 0 = Tuner 1; 1 = S-Video 1; 2 = Composite 1; 3 = S-Video 2; 4 = Composite 2;
[tv]  Current input: 0
[tv]  Current format: unknown (0x4745504d)
[tv] current audio mode is : LANG1
[tv] tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
[tv] ioctl request buffers failed: Inappropriate ioctl for device
[tv] 0 frames successfully processed, 0 frames dropped.
Failed to recognize file format.

Exiting... (Errors when loading file)

The tuner supports only NTSC-M whereas the camera is delivering PAL?  
The specs aren't helping me.  

Is any camera working via v4l2 in stretch?  None found here.

Thanks,                   ... Peter E.


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