Захват видео с web-камеры и звука с jack

[pentium02@einstein:~]$ mplayer tv:// -tv driver=v4l2:width=1280:height=1024:device=/dev/video0
MPlayer SVN-r34007-4.6.1 (C) 2000-2011 MPlayer Team
163 audio & 363 video codecs
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 <olschewski@zpr.uni-koeln.de>
 comment: first try, more to come ;-)
v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead.
Selected device: USB20 Camera    
 Capabilities:  video capture  read/write  streaming
 supported norms:
 inputs: 0 = sn9c20x;
 Current input: 0
 Current format: unknown (0x30323953)
tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
v4l2: ioctl enum norm failed: Invalid argument
Error: Cannot set norm!
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
==========================================================================
Cannot find codec matching selected -vo and video format 0x30323953.
==========================================================================

v4l2: ioctl set mute failed: Invalid argument
v4l2: 2 frames successfully processed, 0 frames dropped.

Exiting... (End of file)