Ffmpeg speed up

In this article, we explain how to speed up or slow down a video using FFmpeg. Before we learn to speed up or slow down videos using FFmpeg, we first have to install it on our computers, ffmpeg speed up.

FFmpeg is a free and open-source video editing tool capable of trimming, cropping, concatenating, muxing, and transcoding almost any type of media file you throw at it. It's also a very robust solution for implementing video automation, as we use it extensively in our own video editing API. For this tutorial we'll use FFmpeg 5. The following command will speed up a video file by two times, keeping the frame rate the same. In other words, if your input video is 30 frames per second, your output video will also be 30 frames per second, but with half the frames dropped. There's also a way to speed up the video without losing frames.

Ffmpeg speed up

Connect and share knowledge within a single location that is structured and easy to search. The command above works if you want to multiply by 2 the speed. If you want to multiply by any x between 0 and , the parameters become:. For a stop-motion project where I wanted to reduce the delay between frames instead of dropping frames , I wanted to speed up the audio and video many times beyond 2x too. For 60x speed, do the following. It may be a bit verbose, but it works great. The problem is that atempo cannot be greater than two or less than 0. Then, copy and paste this code into the console and press Enter to run. The code also works with slowing down the video. This code will prompt you to enter a value and present you with the result. Entering 60 yields a 60X speedup, entering 0. I hope this helps. For me, using setpts in conjunction with atempo left the audio rate low and with low pitch.

Just as simple as the heading is, this option is pretty straightforward, but you cannot decide how much speed you want to add to your video or how slow you want it to be.

Have you ever wanted to speed up or slow down a video? Maybe it was too long, or you wanted to draw out an exciting part of the video without having to watch the boring parts. In this article, we will be showing you how to use FFmpeg to speed up and slow down your videos using CLI. You'll also find some other useful FFmpeg commands that you can use on your videos. Finally, we will explain how to automate these commands so that you can run them on all your videos with ease. FFmpeg is a free and open-source cross-platform software project that can record, convert, and stream audio and video.

The speed of a video stream can be changed by changing the presentation timestamp PTS of each video frame. Note that in the following examples, the audio stream is not changed, so it should ideally be disabled with -an. This method is lossless and apart from changing the timestamps, copies the video stream as-is. Use this if you require no other changes to your input video. The filter works by changing the presentation timestamp PTS of each video frame.

Ffmpeg speed up

Connect and share knowledge within a single location that is structured and easy to search. The "old way" of creating timelapse or still frame was to first split up a video into individual frames, for instance, as jpg's then delete some and recombine the frames. Using the setpts filter is the new way and is faster and possibly less lossy. If you want to speed up the video 2x, setpts will be 0.

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After installation, verify it by typing ffmpeg -version in the command line. Some of these benefits include:. First, copy the video to a raw bitstream format. Filmora also offers a wide range of features that you may not find in FFmpeg. With the -an parameter, the length of the video is set properly. Save my name, email, and website in this browser for the next time I comment. Its uses are as follows:. Here are some key features that make Filmora stand out among other video editors. A faster method, but which can have unexpected results with audio pauses or async : ffmpeg -itsscale 0. Our partnership with Google and commitment to socially responsible AI. Ask Question.

Connect and share knowledge within a single location that is structured and easy to search. Command is ffmpeg -i

Filmora Video Editor. It was developed by Fabrice Bellard in You could think of it as the Swiss army knife for video manipulation tasks. The output should look something like this —. The following with quadruple the audio speed: ffmpeg -i input. Cross-platform functionality for editing everywhere. You'll also find some other useful FFmpeg commands that you can use on your videos. Start automating today Start with a full-featured trial with 50 credits, no credit card required. The Presentation Time Stamp, or PTS, is part of the data in video and audio streams that indicates when a frame video or packet audio should be presented to the viewer or listener. FFmpeg has many benefits over other video editing software because it is free and open source, meaning that you have access to the code so that you can modify it if needed. Show 2 more comments.