Cheese 2.27.5 
Probing devices with HAL...
Found device 064e:a104, getting capabilities...
Detected v4l2 device: HP Webcam
Driver: uvcvideo, version: 256
Capabilities: 0x04000001

Probing supported video formats...
Device: HP Webcam (/dev/video0)
video/x-raw-yuv 640 x 480 num_framerates 3
24/1 12/1 6/1 video/x-raw-yuv 352 x 288 num_framerates 3
24/1 12/1 6/1 video/x-raw-yuv 320 x 240 num_framerates 3
24/1 12/1 6/1 video/x-raw-yuv 176 x 144 num_framerates 3
24/1 12/1 6/1 video/x-raw-yuv 160 x 120 num_framerates 3
24/1 12/1 6/1 video/x-raw-yuv 640 x 480 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 352 x 288 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 320 x 240 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 176 x 144 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 160 x 120 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 640 x 480 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 352 x 288 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 320 x 240 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 176 x 144 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-yuv 160 x 120 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 640 x 480 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 352 x 288 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 320 x 240 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 176 x 144 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 160 x 120 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 640 x 480 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 352 x 288 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 320 x 240 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 176 x 144 num_framerates 3
24/1 12/1 6/1 already added, skipping
video/x-raw-rgb 160 x 120 num_framerates 3
24/1 12/1 6/1 already added, skipping

v4l2src name=video_source device=/dev/video0 ! capsfilter name=capsfilter caps=video/x-raw-rgb,width=640,height=480,framerate=24/1;video/x-raw-yuv,width=640,height=480,framerate=24/1 ! identity
