About 38,800 results
Open links in new tab
  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. Using ffmpeg to change framerate - Stack Overflow

    Sep 12, 2017 · I used the command ffmpeg -i inputfile -r 25 outputfile which worked perfectly with a webm,matroska input and resulted in an h264, matroska output utilizing encoder: Lavc56.60.100 You …

  3. Fastest way to extract frames using ffmpeg? - Stack Overflow

    Jun 9, 2012 · Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this: ffmpeg -i file.mpg -r 1/1 $filename%03d.jpg ?

  4. FFMPEG: crop a video without losing the quality

    Oct 28, 2015 · ffmpeg -i input -vf "crop=480:270:200:100" -c:v libx264 -crf 17 -c:a copy ouput.mp4 See FFmpeg Wiki: H.264 Video Encoding Guide for more info. Use a bitstream filter The h264_metadata …

  5. 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 ...

  6. 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?

  7. python - "Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but ...

    Dec 2, 2022 · pip install ffmpeg-downloader ffdl install --add-path The --add-path option adds the installed FFmpeg folder to the user's system path. Re-open the Python window and both ffmpeg and …

  8. 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 …

  9. How can I crop a video with ffmpeg? - Video Production Stack Exchange

    Aug 13, 2012 · Ancient ffmpeg builds used -croptop, -cropbottom, -cropleft, -cropright options instead of the crop filter. If this is the case for you then get a modern ffmpeg.

  10. Convert audio files to mp3 using ffmpeg - Stack Overflow

    You could use this command: ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3 Explanation of the used arguments in this example: -i - input file -vn - Disable video, to make sure no video …