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• VLC cant read some audiotracks created by ffmpeg

  18 juin 2021, par skanarr

  I have two different .mkv files of the same movie. One contains the English, German, Italian, Spanish and French audio and subtitle tracks, the other contains Japanese Audio and Subtitle tracks. Since I want to have all tracks in one file I tried to 'merge' them using ffmpeg.

  


  $ ffmpeg -i Movie.mkv -i Movie_jp.mkv -map 0:v -map 0:a -map 1:a:2 -map 0:s map 1:s:1 -map 1:s:2 -map 1:s:3 -c:v copy -c:a copy -c:s copy tmp.mkv


  


  Full Command Output from ffmpeg
That is the command I used and even though it took a while, I got my tmp.mkv.
However Playing it in VLC none of the Tracks from Movie_jp.mkv are working properly.
There are short periods where there is audio and then it is gone again for some minutes.
Also tmp.mkv freezes at 4:44 and freezes VLC for some time, before only audio continues top play.
Looking under Messages this is what I got

  


  main error: module not functional
main error: failed to create audio output


  


  Then a bunch of warnings
and a ****load of

  


  main error: Timestamp conversion failed (delay 1000000, buffering 100000, bound 9000000)
main error: Could not convert timestamp XY for FFmpeg
main warning: early picture skipped


  


  And finally

  


  main error: buffer deadlock prevented


  


  (All Message from VLC )
I don't know what I did wrong. The Japanese tracks are working in Movie_jp.mkv.
The all non-japanese Tracks are still working in tmp.mkv.
Also there are working Tracks with the same codecs on tmp.mkv (dts) as well as subtitles (pgs).

  


• trying to merge 2 video command [duplicate]

  4 octobre 2019, par Vikram Dulgach

  This question already has an answer here :

  • FFmpeg - concat videos error, do not match the corresponding output link ?
    
    1 answer
    

  I am trying to merge 2 video one has audio and in 2nd video i am adding silent track. but everytime i am trying to merge them it shows me these error. I am using 2 command in both ti give me same erro.

  String [] merge2video={ "-i", video1,"-i", new video2,"-filter_complex", "[0:v]scale=1280x720,setpts=PTS-STARTPTS[v0];[1:v]scale=1280x720,setpts=PTS-STARTPTS[v1];[v0][0:a][v1][1:a]concat=n=2:v=1:a=1", "-map", "[v]", "-map", "[a]","-preset" ,"ultrafast" ,"-crf" ,"30", sharevideo};

  String [] merge2video= "-i", video1,"-i", new video2,"-filter_complex", "[0]setdar=16/9[a] ;[1]setdar=16/9[b] ; [a][b]concat=n=2:v=1:a=1", "-map", "[v]", "-map", "[a]","-preset" ,"ultrafast" ,"-crf" ,"30", sharevideo ;

  [swscaler @ 0xee692000] deprecated pixel format used, make sure you did set range correctly
  [Parsed_concat_4 @ 0xee9255f0] Input link in1:v0 parameters (size 1280x720, SAR 1647:1648) do not match the corresponding output link in0:v0 parameters (1280x720, SAR 1:1)
  [Parsed_concat_4 @ 0xee9255f0] Failed to configure output pad on Parsed_concat_4
  Error configuring complex filters.
  Invalid argument

  Help to solve there issue if anybody is there thanks in advance. and sorry for bad english

• Why does ffmpeg.exe started from Windows batch file close immediately without waiting for user input ?

  12 juin 2017, par user2566350

  I searched google for an hour but I could not find anything to fix my issue. I found only "similar" fixes for problems I’m not having.

  I am opening ffmpeg.exe from a batch file that only has ffmpeg.exe with no arguments in it and it doesn’t work even though it did few hours ago.

  If I open command line from the folder and enter ffmpeg.exe it works because it’s not closing ffmpeg but waits for my input which is exactly how the batch file worked before.

  What could be the issue ?

  I have not changed the batch file or ffmpeg one or their locations.

  Running on Windows 7 x64 if that matters.

  Edit : File name is start ffmpeg.bat. It’s content is only ffmpeg.exe which used to work. I also tried start ffmpeg.exe and ffmpeg and changed the filename to 1.bat and 1.cmd but neither worked.

  Edit2 : Sorry i can’t explain myself better my english isn’t very good, however I will try to explain using these images :

  
  This is what i get if i run CMD from the desktop and enter ffmpeg.exe

  
  This is what I get when i run the batch file (after i added pause)
  Batch contents : 1st line=ffmpeg.exe, 2nd line=pause.

  As you can see without the pause ffmpeg will terminate and not remain on the screen like the in first image.

  I tried renaming the file and I tried to run it as admin but neither worked, Any suggestion why is it suddenly not running as it did yesterday ?