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• Bat file that extracts subtitle file then hard encodes the subtitle file into the original mkv file

  1er septembre 2019, par NolanWinsman

  My tv can play mkv files off of a flash drive but it cannot detect the subtitles files. I am trying to make a bat file that essentially takes the .srt file out of the mkv file then hard encodes it into the mkv file using ffmpeg. I am getting close but the naming is not working properly. For instance when it creates the subtitle file it names it infile.mkv.srt. When the file is encoded it is named infile.mkvEncoded.mkv. I am trying to get rid of the extra .mkv

  I am not great with variables in bat files so I am not exactly sure what to do. I added the "Encoded" part to the name of the file so that it doesn’t overwrite the original infile. I plan on just using bulk rename utility to get rid of that part unless there is a better way.

  My code is :

      DO (
  
      MKDIR Encoded_Files
  
      )
  
      FOR /F "tokens=*" %%G IN ('dir /b *.mkv') DO (
  
          ffmpeg -i "%%G" -vn -an -codec:s:0.1 srt "%%G.srt"
  
          ffmpeg -i "%%G" -vf "subtitles=%%G.srt" "%%GConverted"
  
          move *"%%~nG" "Encoded_Files"
  
              )

  The expected result would be infileEncoded.mkv*

• all : fix enum definition for large values

  23 octobre 2015, par Ganesh Ajjanagadde

  all : fix enum definition for large values
  ISO C restricts enumerator values to the range of int. Thus (for instance) 0x80000000
  
  unfortunately does not work, and throws a warning with -Wpedantic on
  
  clang 3.7.
  This fixes it by using alternative expressions that result in identical
  
  values but do not have this issue.
  Tested with FATE.
  Reviewed-by : Ronald S. Bultje <rsbultje@gmail.com>
  
  Reviewed-by : Michael Niedermayer <michael@niedermayer.cc>
  
  Signed-off-by : Ganesh Ajjanagadde <gajjanagadde@gmail.com>
  

  • [DH] libavcodec/dca_syncwords.h
  • [DH] libavformat/cinedec.c
  • [DH] libavformat/mov_chan.c

• Playing large, 360 video files (4gb+), on Oculus Go, using Unity3D VideoPlayer

  15 avril 2020, par SteenPetersen

  I am using unity VideoPlayer to play 360 degree video files. Its all working wonderfully and I can build to Oculus Go and Quest without issue.

  



  The problem is that if the video file exceeds a file size of a little more than 4 GB then, once built, it wont play the file.

  



  Now this, to me, is odd behavior. The Oculus Go will play the video file if it is simply added to the gallery and played, telling me that the Oculus Go is capable of playing the file. I am a bit lost as to what to look at with this and how to go about fixing it. The 4GB file size limit reminded of the fat3d file size limit. But I'm unsure if this is related or not since it can play the video in the gallery.

  



  Thus far I have solved the problem by using FFMPEG to reduce the constant rate factor and thus quality of the video to get under the limit as this was hardly noticeable in the quality and reduced the file size significantly. The problem is that some videos are quite long and it seems that I actually need some of them to be approx 5 GB.

  



  Any insight is appreciated.