合并视频
创建一个文本文件filelist.txt:
file 'input1.mkv'
file 'input2.mkv'
file 'input3.mkv'
然后:
ffmpeg -f concat -i filelist.txt -c copy output.mkv
注意:如果文件名有奇怪的字符而报错,可以加参数:-safe 0
旋转视频
ffmpeg -i in.mov -vf "transpose=2" out.mov
transpose:
0 = 90CounterCLockwise and Vertical Flip (default)
1 = 90Clockwise
2 = 90CounterClockwise
3 = 90Clockwise and Vertical Flip
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