Sample Video4Linux applications.

sdlvideoviewer:
  - Displays /dev/video0 data in a SDL window
  - /dev/video0 drivers must support YUV 4:2:2

sdlvideoviewer-rgb565x:
  - Supposed to test mem2mem_testdev driver
  - Opens /dev/video0 as source of images
  - Use /dev/video1 (mem2mem_testdev) on source image
  - Display results (both original and processed image)

sdlm2mtester-rgb565x:
  - Supposed to test mem2mem_testdev driver
  - Source image is generated using random number generator
  - Use /dev/video1 (mem2mem_testdev) on source image
  - Display results (both original and processed image)