host@user:~$ mplayer tv:// -tv driver=v4l2:input=0:width=640:height=480:device=/dev/video0                                MPlayer 1.1-4.8 (C) 2000-2012 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing tv://.
TV file format detected.
Selected driver: v4l2
 name: Video 4 Linux 2 input
 author: Martin Olschewski <[email protected]>
 comment: first try, more to come ;-)
Selected device: Techwell Capture Card
 Capabilities:  video capture  read/write  streaming
 supported norms: 0 = NTSC; 1 = NTSC-M; 2 = NTSC-M-JP; 3 = NTSC-M-KR; 4 = PAL; 5 = PAL-BG; 6 = PAL-H; 7 = PAL-I; 8 = PAL-DK; 9 = PAL-M; 10 = PAL-Nc; 11 = PAL-60; 12 = SECAM; 13 = SECAM-B; 14 = SECAM-G; 15 = SECAM-H; 16 = SECAM-DK; 17 = SECAM-L; 18 = SECAM-Lc;
 inputs: 0 = Composite 0; 1 = Composite 1; 2 = Composite 2; 3 = Composite 3;
 Current input: 0
 Current format: BGR24
v4l2: ioctl set format failed: Invalid argument
v4l2: ioctl set format failed: Invalid argument
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
Xlib:  extension "XFree86-VidModeExtension" missing on display "localhost:10.0".
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[vdpau] Error when calling vdp_device_create_x11: 1
Xlib:  extension "XVideo" missing on display "localhost:10.0".
[VO_XV] Sorry, Xv not supported by this X11 version/driver
[VO_XV] ******** Try with  -vo x11  or  -vo sdl  *********
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0x1b31c60] BICUBIC scaler, from uyvy422 to bgra using MMXEXT
VO: [x11] 640x480 => 640x480 BGRA
Shared memory not supported
Reverting to normal Xlib
Selected video codec: [rawuyvy] vfm: raw (RAW UYVY)
==========================================================================
Audio: no sound
Starting playback...
V:   0.0  27/ 27 ??% ??% ??,?% 0 0
v4l2: ioctl set mute failed: Invalid argument
v4l2: 30 frames successfully processed, 49 frames dropped.

Exiting... (Quit)