Quote:
Originally Posted by Blue_MiSfit
Maybe do the concatenation with a different tool like mp4box or ffmpeg first?
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MP4Box is garbage, it didn't append my video files. It just put them as seperate video streams in one mp4 container. Yes, I made sure to use the JOIN tab.
ffmpeg produced the same file as mkvtoolnix when appending. I could tell because when playing the video, you can see a clear cut (in form of a black or frozen frame) when the video player reaches the point where video 1 and video 2 have been joined. This all leds to the conclusion that the problem is not the tool used for joining the videos together, but the differences between video 1 and video 2. When I split a video in two and join them back together, the process is smooth without an error message from mkvtoolnix and without any cuts while playing the video. This is to be expected because the splitted video parts are identical in terms of encoding properties.
So the core issue remains, I still haven't figured out how to replicate the 100% absolutely, totally, exact same encoding settings of a given video.