river Info (not using libv4l2):
        Driver name   : saa7164[0]
        Card type     : Hauppauge WinTV-HVR2250
        Bus info      : PCI:0000:17:00.0
        Driver version: 0.0.0
        Capabilities  : 0x01010001
                Video Capture
                Tuner
                Read/Write
Format Video Capture:
        Width/Height  : 720/480
        Pixel Format  : 'MPEG'
        Field         : Any
        Bytes per Line: 0
        Size Image    : 0
        Colorspace    : Unknown (00000000)
Video input : 0 (tuner: ok)
Frequency: 784 (49.000000 MHz)
Video Standard = 0x00003000
        NTSC-M/M-JP
Streaming Parameters Video Capture:
        Frames per second: 29.970 (30000/1001)
        Read buffers     : 0
Tuner:
        Name                 : tuner
        Capabilities         : 62.5 kHz multi-standard stereo
        Frequency range      : 0.0 MHz - 0.0 MHz
        Signal strength/AFC  : 0%/0
        Current audio mode   : mono
        Available subchannels: