Generates random video for testing purposes.
av_demo(
output = "demo.mp4",
width = 960,
height = 720,
framerate = 5,
verbose = TRUE,
...
)
name of the output file. File extension must correspond to a known
container format such as mp4
, mkv
, mov
, or flv
.
width in pixels of the graphics device
height in pixels of the graphics device
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.
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.
Other av:
capturing
,
encoding
,
formats
,
info
,
logging
,
read_audio_fft()