安裝好libav後,可以使用以下命令切割視頻:
avconv -ss 00:00:00 -t 00:00:20 -i src.mp4 des.mp4
如果出現以下錯誤:
encoder 'aac' is experimental and might produce bad results.
Add '-strict experimental' if you want to use it.
命令更改爲:
avconv -ss 00:00:00 -t 00:00:20 -i src.mp4 -acodec aac -strict experimental des.mp4
獲取時長:
avprobe -show_format 624x260.mp4