¡@

Home 

2014/10/15 ¤U¤È 10:04:29

iphone Programming Glossary: avvideocompositioncoreanimationtool

How can I add overlay text on a video, then re-encode it?

http://stackoverflow.com/questions/10190333/how-can-i-add-overlay-text-on-a-video-then-re-encode-it

videoComposition videoComp.renderSize videoSize videoComp.frameDuration CMTimeMake 1 30 videoComp.animationTool AVVideoCompositionCoreAnimationTool videoCompositionCoreAnimationToolWithPostProcessingAsVideoLayer videoLayer inLayer parentLayer AVMutableVideoCompositionInstruction..

Recording custom overlay on iPhone

http://stackoverflow.com/questions/2443564/recording-custom-overlay-on-iphone

can be found in the AVFoundation framework. The classes of interest to you are AVMutableVideoComposition and AVVideoCompositionCoreAnimationTool. Using the AVMutableVideoComposition's animationTool property you can use a AVVideoCompositionCoreAnimationTool to add a.. and AVVideoCompositionCoreAnimationTool. Using the AVMutableVideoComposition's animationTool property you can use a AVVideoCompositionCoreAnimationTool to add a Core Animation layer on top of your video. These video editing capabilities were added in iOS 4.0 and highlighted..

CoreAnimation, AVFoundation and ability to make Video export

http://stackoverflow.com/questions/5031721/coreanimation-avfoundation-and-ability-to-make-video-export

I need to render all of them in a single video. I read all the Apple Documentation about AV Foundation and i found the AVVideoCompositionCoreAnimationTool class that have the ability to take a CoreAnimation and reencode it as a video. I also checked the AVEditDemo project provided.. videoCompositionInstruction.layerInstructions NSArray arrayWithObject layerInstruction videoComposition.animationTool AVVideoCompositionCoreAnimationTool videoCompositionCoreAnimationToolWithPostProcessingAsVideoLayer videoLayer inLayer wrapLayer videoComposition.frameDuration..

How to properly export CALayer on top of AVMutableComposition with AVAssetExportSession

http://stackoverflow.com/questions/6749216/how-to-properly-export-calayer-on-top-of-avmutablecomposition-with-avassetexport

and everything is positioned where it should. My problem is that when I tried to export this thing I tried using AVVideoCompositionCoreAnimationTool instead of AVSynchronizedLayer that's what the documentation says we should use for export and an AVAssetExportSession but..