Audio Async by 1 frame from some video files
|Reported by:||Vespucci||Owned by:|
|Blocking:||Reproduced by developer:||no|
|Analyzed by developer:||no|
In my post production company a Dubbing mixer realised that the audio is async by 1 frame in one of our tool.
After investigating he realised that ffmpeg output is out of sync by 1 frame for a few years now, no matter which version of ffmpeg
You can see the issue on the following screen shot.
We also noticed that the end of the file is slightly different.
How to reproduce:
I used the most basic transcoding ffmpeg -i <input> <output> as you can see in the report here:
Here is an original file that is causing the problem:
Here is the shifted compressed video:
You can right click on each link and "Save link as..." to get the file, let me know if you want me to send the file in a different way.
Thanks for your help
Change History (5)
comment:2 by , 4 years ago
|Keywords:||Async 1 frame added|
|Summary:||Audio Async by 1 frame from DNX files → Audio Async by 1 frame from some video files|