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ffmpeg - cli

fozu on Nov 21, 20212021-11-21T00:00:00+08:00
1 min read

ffmpeg命令录制音频

  • 将mp3转换为wav格式
1

ffmpeg a.mp3 -i a.wav
  • 查看设备
1

ffmpeg | ffplay | ffprobe -devices

1

ffmpeg | ffplay | ffprobe -list_devices true -f avfoundation -i dummy

  • 获取帮助

    1
2

    ffmpeg | ffplay | ffprobe -h [long | full]
ffmpeg | ffplay | ffprobe -h type=name

    1

    ffmpeg -h demuxer=avfoundation -i dummy

  • 录制音频

    Mac

    1

    ffmpeg -f avfoundation -i :0 output.wav

    Windows

    1

    ffmpeg -f dshow -i audio="" output.wav
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