ios - merge two videos with AVMutableComposition, but one of them didnt play well -


here have 2 videos, both of them mp4, , want merge them in 1 piece play 1 one avplayeritem. 1 of them play well, other 1 show black screen while progress still rolling. annoying thing , both played independently. have encounter kind of thing?

hope link you.

https://iosdevelopercloud.wordpress.com/2014/09/14/merge-multiple-videos-in-objective-c/


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