ffmpeg mp4 to mp3 ffmpeg -i video.mp4 -i audio.mp3   ffmpeg muted video ffmpeg -i video.mp4 -c:v -an "video-muted.mp4" ffmpeg masukkan mp3 ke dalam mp4 ffmpeg -i "video-muted.mp4" -i "audio.mp3"  -c copy -map "0:v:0" -map "1:a:0" videoOk.mp4 menyesuaikan panjang lagu ffmpeg -i "video-muted.mp4" -i "audio.mp3"  -c copy -map "0:v:0" -map "1:a:0" -shortest videoOk.mp4