bytedeco/javacv

how to add new audio channels to mp4 which already have audio channels

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#1.940 geöffnet am 19. Nov. 2022

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Hi, I want to mix a new audio channels(backgound music) to mp4 file which already have two audio channels, I think this refer to how to mix the existing and new audio channels, I have no idea how to accomplish this purpose, can you give me some advise? thank you! If there is some example code, that's perfect! thank you ~~

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