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• how to check the number of duplicated frame for video 1sec ( about 30frames ) from video start and want to apply this for mpdecimate

  20 octobre 2018, par cool jobs

  How to check the number of duplicated frame for video 1sec ( about 30frames ) from video beginning point ? I want to apply this for mpdecimate with audio. Some videos have three duplicated frames, some videos - 15 duplicated frame, some videos have 19 duplicated frames.. so it looks I need a variable or math operator in ffmpeg as expression.

  1. some video have duplicated frames at beginning point , but it is
     not same always the number of duplicated frames.
  2. if get back variable which is for the number of duplicated frames
     from step-1 then split and trim apply mpdecimate with audio as
     much as step-1 variable returned, finally do concatenate each other.

  Is this possible with -filter_complex for one line ffmpeg command ?

• jffmpeg.jar how to split a video file to many chunks- Java, Groovy, Grails, Video

  9 janvier 2014, par user1245222

  I was googling whole day to find a proper documentation to split a video using jffmpeg.jar. But unfortunately, I couldn't find anything.

  Using java -> groovy, I was able to use native command to split the same. Below is the command.

  def command = """ffmpeg -i /opt/eboxdata/uploads/719/Resource/Alfred Hitchcock - Making of Psycho.mp4 -vcodec copy -acodec copy -ss 00:00:00 -t 00:05:00 /opt/eboxdata/uploads/719/Resource/output2.avi"""// Create the String
  
  
  
          def proc = command.execute()                 // Call *execute* on the string
  
          proc.waitFor()

  Any one could help me to split a video file without using native command. But using jffmpeg.jar

• Stitching 6 video files into one 360 video in Ubuntu Linux

  1er mai 2020, par Essam Gouda

  I used 2 raspberry PIs to record 2 different videos in sync using a OSC server so the videos are perfectly in sync and I send them to a Linux server so I can stitch these videos and produce one 360 video file so far I have tried doing that on 2 videos just for testing purposes using two methods :
1- only ffmpeg :
By simply concatinating two videos into one but this doesn't produce a 360 video as seen here

  



  2- using ffmpeg and hugin following this tutorial (https://medium.com/@xorgol/stitching-multi-camera-360-video-an-open-source-workflow-bb8b1e72925) :
The problem here is I needed to do this method on each video file I have and then concatenate both videos to produce this result

  



  The original video can be seen here its captured using the RPI camera module V2 using a lens that provide a resolution of 3280x2464.


  



  I don't mind a bit of overlapping or anything I just need to produce a 360 video from 2 videos using two vamera with 180 degrees FOV and be able to view them using a 360 video player so your help is appreciated.