How to control key-frame generation of ffmpeg?

by

  1. It is possible for ffmpeg to generate Key frame at irregular interval, based on scene change detection.

  2. key frame interval can be controlled by GOP size. the following options can be used

-g (FFmpeg)
Keyframe interval, also known as GOP length. This determines the maximum distance between I-frames. Very high GOP lengths will result in slightly more efficient compression, but will make seeking in the video somewhat more difficult.

-keyint_min (FFmpeg)
Minimum GOP length, the minimum distance between I-frames.

More Related Contents:

  1. How to concatenate two MP4 files using FFmpeg?
  2. How do you convert an entire directory with ffmpeg?
  3. Vertically or horizontally stack (mosaic) several videos using ffmpeg? [closed]
  4. What are the differences and similarities between ffmpeg, libav, and avconv?
  5. FFMPEG (libx264) “height not divisible by 2”
  6. Rotating videos with FFmpeg
  7. How to output fragmented mp4 with ffmpeg?
  8. Text on video ffmpeg
  9. Post processing in ffmpeg to move ‘moov atom’ in MP4 files (qt-faststart)
  10. How can I extract audio from video with ffmpeg?
  11. Can ffmpeg show a progress bar?
  12. How to install and run phpize
  13. Using ffmpeg to change framerate
  14. Remove sequentially duplicate frames when using FFmpeg
  15. How to resize a picture using ffmpeg’s sws_scale()?
  16. How to convert RGB from YUV420p for ffmpeg encoder?
  17. adding silent audio in ffmpeg
  18. Is there a way to use ffmpeg to determine the encoding of a file before transcoding?
  19. Use ffmpeg to add text subtitles [closed]
  20. Live streaming dash content using mp4box
  21. FFmpeg: How to split video efficiently?
  22. How to add album art with ffmpeg?
  23. Image sequence to video quality [closed]
  24. Getting green screen in ffplay: Streaming desktop (DirectX surface) as H264 video over RTP stream using Live555
  25. FFMPEG: get last 10 seconds [closed]
  26. FFmpeg on Android
  27. How to compile ffmpeg-2.2.2 on windows with cygwin and android ndk r9c
  28. Use Java FFmpeg wrapper, or simply use Java runtime to execute FFmpeg?
  29. Fastest way to extract a specific frame from a video (PHP/ffmpeg/anything)
  30. subprocess call ffmpeg (command line)

Leave a Comment