ffmpeg commands 源码

合并mp4和mp3 ffmpeg -i dsa_dashboard.mp4 -i music.mp3 -c:v复制-c:a aac output.mp4 剪切视频 ffmpeg -i output.mp4 -ss 00:00:00 -t 00:00:20 -async 1 cut.mp4 合并2个文件并以最短的输入长度停止 ffmpeg -i dsa_dashboard.mp4 -i music.mp3 -c:v复制-c:a aac-最短输出7.mp4 重复音频文件,直到视频结束并生成新的视频文件[工作] ffmpeg -i xpresscue.mov -filter_complex“ amovie = music.mp3:loop = 0,asetpts = N / SR / TB [aud]; [0:a] [aud] amix [a]” -map 0:v -map '[a]'-c: