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Old 26th May 2010, 18:43   #3  |  Link
pelle412
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Join Date: Sep 2002
Location: Twin Cities, MN, USA
Posts: 158
Quote:
Originally Posted by Mosu View Post
mkvmerge does that automatically. Make sure you actually append the two files. The difference between "mkvmerge -o out.mkv in1.mkv in2.mkv" and "mkvmerge -o out.mkv in1.mkv +in2.mkv" are subtle, but the resulting files are completely different. Same goes for using mmg; use the "add" button for the first and the "append" button for the second file.
That works fine for video, audio, and subtitles, but it really doesn't work for chapters. If you look in the MMG window when appending files you see the ++ signs appearing next to video, audio, and subs, but it doesn't for chapters.

I solved the problem by writing my own program that takes a chapter file and rewrites it based on a new starting chapter, and length of previous video file so I can concatenate them manually, and add them in to the final MKV.
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