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  1. How do I set up and use FFmpeg in Windows?

    FFmpeg is indeed a powerful video encoder/decoder tool¹. It operates in the command line, as opposed to using a GUI. Command line is that black window you find by typing [windows+r], then cmd in the …

  2. video - Where can I learn ffmpeg? - Stack Overflow

    Feb 14, 2020 · I really want to get more into video/audio encoding and decoding, and I’ve heard that ffmpeg is a good tool, but I can’t find any good tutorials for it. Does anyone know a good way to learn it?

  3. Vertically or horizontally stack (mosaic) several videos using ffmpeg?

    Jul 19, 2012 · I have two videos of the same exact length, and I would like to use ffmpeg to stack them into one video file. How can I do this?

  4. Using ffmpeg to change framerate - Stack Overflow

    Sep 12, 2017 · I am trying to convert a video clip (MP4, yuv420p) from 30 fps to 24 fps. The number of frames is correct so my output should change from 20 minutes at 30fps to 25 minutes at 24fps. …

  5. Retrieving and Saving media metadata using FFmpeg

    Jun 10, 2015 · I combine bash, ffmpeg, sed to write to a file only the basic metadata information that interests me: file type and name, title (s), video-, audio- and subtitlestreams details.

  6. Change video resolution ffmpeg - Stack Overflow

    Dec 21, 2015 · ffmpeg -i input.mov -vf scale=320:240 output.mp4 To maintain the aspect ration, you can specify just the width, followed by -1 which will calculate the height to maintain the aspect ratio of the …

  7. Cutting multimedia files based on start and end time using ffmpeg ...

    I tried to cut the video using the start and end time of the video by using the following command: ffmpeg -ss 00:00:03 -t 00:00:08 -i movie.mp4 -acodec copy -vcodec copy -async 1 cut.mp4 By using ...

  8. How to run FFmpeg on an AMD GPU - Stack Overflow

    Jul 8, 2019 · 3 To use h264_amf, you have to build ffmpeg with support for that encoder using the --build-amd-amf=y flag. See the Windows build helpers project for more info. On linux, use ffmpeg -h …

  9. How to remove one track from video file using ffmpeg?

    The most efficient method is to use negative mapping in the -map option to exclude specific stream (s) ("tracks") while keeping all other streams. Remove a specific audio stream / track ffmpeg -i input …

  10. How can I extract audio from video with ffmpeg? - Stack Overflow

    ffmpeg has a default stream selection behavior that will select 1 stream per stream type (1 video, 1 audio, 1 subtitle, 1 data). -vn is an old, legacy option. It excludes video from the default stream …