怎麼使用 ffmpeg 去除影片檔的聲音呢?
ffmpeg -i input.mp4 -vcodec copy -an ouput.mp4
各個 options 的說明如下
-i filename (input)
input file name 輸入的檔案
-vcodec codec (output)
Set the video codec. This is an alias for "-codec:v".
codec
is the name of a decoder/encoder or a special value "copy" (output only) to indicate that the stream is not to be re-encoded.
-an (output)
Disable audio recording.
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