ffmpeg - linux

Commands

DescriptionCommand
*WARNING - NEVER TESTED* Speed up video x amount (val 0.5 means 2x so take reciprocal of your speed)ffmpeg -i input.mp4 -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2[a]" -map "[v]" -map "[a]" -c:v libx264 -c:a aac output.mp4