ffmpegReplace audio track in the video file

ffmpeg -i input.mp4 -i input.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4ctrl + cyoutubegithub

`-i input.mp4` input video file	`-i input.wav` input audio file to replace for
`-map 0:v` take first video stream from first input (basically - take our video, exclude audio)	`-map 1:a` take first audio from the second input (basically - take our new audio)
`-c:v copy` just copy media, no encoding needed	`-shortest` make final video as long as the shortest input (video or audio)
`output.mp4` resulting video file