rpiggott@rpiggott-HP-G61-Notebook-PC:~/Videos/Webcam$ mediainfo -all vlc-record-2015-11-24-22h16m02s-v4l2____dev_video0-.avi
General
Complete name                            : vlc-record-2015-11-24-22h16m02s-v4l2____dev_video0-.avi
Format                                   : AVI
Format/Info                              : Audio Video Interleave
File size                                : 82.4 MiB
Duration                                 : 5s 708ms
Overall bit rate                         : 121 Mbps

Video
ID                                       : 0
Format                                   : YUV
Codec ID                                 : YUY2
Codec ID/Info                            : YUV 4:2:2 as for UYVY but with different component ordering within the u_int32 macropixel
Duration                                 : 5s 708ms
Bit rate                                 : 113 Mbps
Width                                    : 640 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 24.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Compression mode                         : Lossless
Bits/(Pixel*Frame)                       : 15.352
Stream size                              : 77.0 MiB (94%)

Audio
ID                                       : 1
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, Sign                    : Signed
Codec ID                                 : 1
Duration                                 : 5s 708ms
Bit rate mode                            : Constant
Bit rate                                 : 3 072 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 KHz
Bit depth                                : 32 bits
Stream size                              : 2.09 MiB (3%)
Alignment                                : Aligned on interleaves