CODEWITHSUNDEEP
iosswiftxcodemergeavfoundation
Kevin Lieser
Kevin Lieser

Reputation: 977

How to blend / mask videos in AVFoundation?

I have n videos i want to merge in one larger video. I am doing this with AVFoundation (AVMutableComposition and AVAssetExportSession). Actually my prototype is adding the videos one after another – without blending. But I would like to add some blending (fade) or even better a masking transition.

Is it possible with AVFoundation to fade the videos? Is it even possible to mask the videos and transform/animate the mask? It would be nice if someone can leave a keyword to search for.

Upvotes: 0

Views: 1147

Answers (1)

matt
matt

Reputation: 534966

Reading the docs will help:

https://developer.apple.com/library/content/documentation/AudioVideo/Conceptual/AVFoundationPG/Articles/03_Editing.html

As you can see, what you're looking for is AVMutableVideoCompositionLayerInstruction.

Upvotes: 1

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