ffplay -v debug -f v4l2 -i /dev/video0

ffplay version 0.10.4 Copyright (c) 2003-2012 the FFmpeg developers
  built on Jun 13 2012 09:51:06 with gcc 4.7.0 20120507 (Red Hat 4.7.0-5)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-gnutls --enable-libass --enable-libcdio --enable-libcelt --enable-libdc1394 --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab --enable-avfilter --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      51. 35.100 / 51. 35.100
  libavcodec     53. 61.100 / 53. 61.100
  libavformat    53. 32.100 / 53. 32.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 61.100 /  2. 61.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
[video4linux2,v4l2 @ 0x7ff1f80008c0] [7]Capabilities: 5010015
[video4linux2,v4l2 @ 0x7ff1f80008c0] Querying the device for the current frame size
[video4linux2,v4l2 @ 0x7ff1f80008c0] Setting frame size to 720x576
[video4linux2,v4l2 @ 0x7ff1f80008c0] The V4L2 driver using the interlaced modeThe V4L2 driver set input_id: 0, input: Television
[rawvideo @ 0x7ff1f8000e40] err{or,}_recognition separate: 1; 1
[rawvideo @ 0x7ff1f8000e40] err{or,}_recognition combined: 1; 10001