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rescale_video [2017/08/17 19:11] walkeradminrescale_video [2023/03/09 22:35] (current) – external edit 127.0.0.1
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 This is how to rescale the video, where you specify the framesize: This is how to rescale the video, where you specify the framesize:
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     ffmpeg -i input.mov -vf scale=320:240 output.mov     ffmpeg -i input.mov -vf scale=320:240 output.mov
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 +You can also rescale without specifying the exact aspect ratio, so here we have specified the width, and the height will be worked out automatically from the original aspect ratio.
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 +    ffmpeg -i input.mp4 -vf scale=320:-1 output.mp4
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 +To transcode and rescale in one go, you can use the following example:
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 +    ffmpeg -i source.mov -vcodec h264 -b:v 50M -vf scale=960:540 dest.mp4
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rescale_video.1502993485.txt.gz · Last modified: 2023/03/09 22:35 (external edit)