Ffmpeg common commands

1.fmpeg Audio and video synthesis ：

ffmpeg -i Audio file Video source file Output target MP4 file ：

for example ：ffmpeg -i /Users/jason/Downloads/NewGift/voice.wav -i /Users/jason/Downloads/NewGift/video.mp4 /Users/jason/Downloads/NewGift/last.mp4

2.ffmpeg Check out the video details You can see the video coding method Video format yes H264 H265

ffmpeg -i Video file for example ：ffmpeg -i /Users/jason/Downloads/1636283359353.mp4

3. Remove video sound

ffmpeg -i 1.avi -vcodec copy -an 2.avi

4. Compressed video ：

ffmpeg -threads 2 -i The original video New video

for example ：

ffmpeg -threads 2 -i /Users/jason/Downloads/APK/Video/VIDEO5.mp4 /Users/jason/Downloads/APK/Video/VIDEO5New.mp4