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在我的输入视频中,我希望加快 48 秒的范围。我希望只将加速部分保存到新视频中。
解决方案:
ffmpeg -y -ss 00:00:03 -t 00:00:48 -i input.mp4 -an -crf 20 -pix_fmt yuv420p -vf "scale=1080:-1, setpts=PTS/10.0" "output.mp4"