V4L

I found out how I could check the IVTV configuration: /home/mythtv$ v4l2-ctl --all. The output is:

Driver Info:
        Driver name   : cx8800
        Card type     : Hauppauge WinTV-HVR1300 DVB-T/H
        Bus info      : PCI:0000:00:08.0
        Driver version: 6
        Capabilities  : 0x05010011
                Video Capture
                VBI Capture
                Tuner
                Read/Write
                Streaming
Format Video Capture:
        Width/Height  : 320/240
        Pixel Format  : BGR3
        Field         : Interlaced
        Bytes per Line: 960
        Size Image    : 230400
        Colorspace    : Unknown (00000000)
Format VBI Capture:
        Sampling Rate   : 35468950 Hz
        Offset          : 244 samples (6.87926e-06 secs after leading edge)
        Samples per Line: 2048
        Sample Format   : GREY
        Start 1st Field : 6
        Count 1st Field : 17
        Start 2nd Field : 318
        Count 2nd Field : 17
Video input : 0 (Television)
Frequency: 0 (0.000000 MHz)
Video Standard = 0x000000f7
        PAL-B/B1/G/I/D/D1/K
Tuner:
        Capabilities         : 62.5 kHz multi-standard
        Frequency range      : 0.0 MHz - 268435455.9 MHz
        Signal strength      : 0%
        Current audio mode   : mono
        Available subchannels: 1