Overlay one video on top of another.

This is the CUDA cariant of the overlay filter. It only accepts CUDA frames. The underlying input pixel formats have to match.

It takes two inputs and has one output. The first input is the "main" video on which the second input is overlaid.

It accepts the following parameters:

x, y

Set the x and y coordinates of the overlaid video on the main video. Default value is "0" for both expressions.

eof_action

See framesync.

shortest

See framesync.

repeatlast

See framesync.

This filter also supports the framesync options.