record
glslViewer input.frag -w 1920 -h 1920 --nocursor --headless -E record,output.mp4,0,24,60
compress after record
ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4
record
glslViewer input.frag -w 1920 -h 1920 --nocursor --headless -E record,output.mp4,0,24,60
compress after record
ffmpeg -i input.mp4 -vcodec h264 -acodec mp2 output.mp4