Generates random video for testing purposes.

av_demo(
  output = "demo.mp4",
  width = 960,
  height = 720,
  framerate = 5,
  verbose = TRUE,
  ...
)

Arguments

output

name of the output file. File extension must correspond to a known container format such as mp4, mkv, mov, or flv.

width

width in pixels of the graphics device

height

height in pixels of the graphics device

framerate

video framerate in frames per seconds. This is the input fps, the output fps may be different if you specify a filter that modifies speed or interpolates frames.

verbose

emit some output and a progress meter counting processed images. Must be TRUE or FALSE or an integer with a valid av_log_level.

...

other parameters passed to av_capture_graphics.

See also