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 …

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?

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. …

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?

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 ...

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.

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 …

-f image2 - tells ffmpeg to select a group of images -r 30 - tells ffmpeg to encode at 30 frames (or images) per second (change this to your desired framerate) -i %09d.jpg - tells ffmpeg to use the …

Dec 17, 2025 · In both cases, you are telling ffmpeg that the output format is only allowed to be yuv420p, so it will auto-insert the necessary filters as needed if the source format does not match the …

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 …