I want to to append a few mp4s together into 1 file.
They are all of the same resolution,codec,framerate,etc so it should be a straightforward muxing process.
However, I couldn't find a tool capable of doing it.
I tried My MP4BOX Gui, it was a good join output yet the audio-s are not joined. They are still separate track.
Pls help me out here.
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Thread: Append / Join MP4 Videos
but once you play it, no the picture only shows up nearing the last 20mins of video. Other than that, only blur grey frames.
I think its because mp4joiner muxing using variable framerate.. (from what I look at the mediainfo.)
However the program has no option to edit, just a button to join the files.
But did you try save it?
Or else give up. .
mymp4boxgui is already good.
Now the audio, if I join them in mkvmerge which will result in mka.
From there, can I extract the aac from the mka file using mkvextractgui?
I tried, but it is giving me "Error: Unrecognized command line option ''.
I need to consult if such extraction (from mka to aac) is possible at all.