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• vp9 : use superframe split BSF

  17 novembre 2017, par wm4

  vp9 : use superframe split BSF
  webm usually has invisible superframes merged with normal frames.
  
  (vpxenc muxes them in this form, which is evidence enough that this is
  
  the standard webm packet format. It's rather unclear whether ffmpeg is
  
  even allowed to remux them with split packets.)
  The vp9 decoder needs them to be in separate packets for multithreading
  
  to work. Add the BSF to the decoder, so the conversion happens
  
  automatically.
  This contains the important part of fa1749dd34c55fb9, which
  
  was apparently skipped in commit d417e95af76. This restores Libav API
  
  compatibility.
  

  • [DH] libavcodec/version.h
  • [DH] libavcodec/vp9.c

• Using python and ffmpeg to split .mp4 video into chunks of few seconds

  3 juin 2022, par Palm

  I would like to split videos into small chunks of two seconds while maintaining good quality and running fast.

  


  I've tried various techniques on StackOverflow such as

  


  

  • Using Python script to cut long videos into chunks in FFMPEG

  


  • Cut .mp4 in pieces Python

  


  • python library for splitting video

  


  • How do you split a list into evenly sized chunks ?

  


  • ...

  


  


  But the result does not satisfy me. Some are too slow, and some do not give the short-length chunk.

  


• Update Contributing instructions now that additional-methods.js has been split

  27 juin 2013, par nschonni

  Update Contributing instructions now that additional-methods.js has been split
  Additional minor formatting of the contributing guide