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• SteamVR creating loading screen flicker when recording using FFMPEG in unity

  28 octobre 2018, par Mohamed Muzammil

  I have a heatmap plugin integrated in my Unity VR game(with SteamVR). The plugin uses eye tracking information to generate live heatmaps as the user gazes at different elements in the game. As the heatmaps are generated, the whole camera view(user’s) is overlayed with heatmaps info and written to a MP4 file using FFMPEG.

  ---

  The whole process works fine. But I have an annoying problem where during the recording the user’s camera view is not stable and keeps flickering and stops only when the recording is stopped. It interrupts the smooth flow of his game
  For now, I’ve narrowed down the code which causes the trouble,

          public void Write(byte[] data)
  
      {
  
          if (_subprocess == null) return;
  
  
  
          _stdin.Write(data);
  
          _stdin.Flush();
  
      }

  From my understanding, It is in this part of the code stdinput is invoked to write to the file system. So, I surmise that the problem must be with accessing the file system which in turn must have caused some time delay when each frame is written in the update method. Correct me if i am wrong here.
  

  The loading screen which appears during every frame write looks something like above. It interrupts the smooth flow of the game and also makes the recording useless as the user keeps focusing on the flicker rather than the actual objects of interest. I would really be grateful if someone shows light on the issue here ?

• Revision 8c2e5e4964 : Merge "Correct 3 step search site initialziation"

  24 septembre 2013, par Yaowu Xu

  Merge "Correct 3 step search site initialziation"

• FFMPEG build error when building app on OS X

  26 juillet 2014, par konsti

  I installed FFMPEG on OS X 10.9 with homebrew (and earlier with macport) and the ffmpeg command in console is working. But when trying to include it to my XCode project and building my Mac app I get build errors :

  #include 
  
  #include 

  stdarg.h

  User defined issues

  This header only supports __MWERKS__.

  When trying to add it as preprocessor macro I get more errors stating that mw_stdarg.h file not found. Did I miss some configuration somewhere ? Please help :)