Answers for "ffmpeg python slow down frame rate"

ffmpeg python slow down frame rate

process = (
ffmpeg
    .input()
    .setpts('0.5*PTS')  # double the speed
    .output(r=str(fps*2))  # fps: original video fps
)

ffmpeg python slow down frame rate

process = (
ffmpeg
    .input()
    .setpts('0.5*PTS')  # double the speed 2.0 or above to lower
    .output(r=str(fps*2))  # fps: original video fps
)