Shulou(Shulou.com)06/02 Report--

This article shows you how the FFmpeg command line can double the speed of video playback, the content is concise and easy to understand, and it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

This issue will talk about how to use the FFmpeg command line to achieve double-speed video playback.

I. explanation

Double speed playback, intuitive understanding is slow or fast video playback, fast playback and slow playback is mainly achieved by adjusting the pts of the video.

II. Orders

Video double speed playback command

Ffmpeg-I input.mp4-filter:v "setpts=0.5*PTS" out.mp4

Video half-speed playback command

Ffmpeg-I input.mp4-filter:v "setpts=2*PTS" out.mp4

III. Command line interpretation

-I: specify the file name of the input video file, such as input.mp4

-filter:v: indicates the use of filters

"*": specific filter parameters. This office is used to adjust the pts implementation. For example, setpts=0.5*PTS means double speed playback, and setpts=2*PTS means half speed playback.

IV. Actual combat

5. Effect

Well, this is the end of this issue on the exercise of FFmpeg orders, is it very convenient, very simple, and very practical, isn't it? However, if you want to use it skillfully, you still have to practice a lot! I'll see you next time!

The above content is how to double the speed of video playback on the FFmpeg command line. Have you learned the knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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