2014/10/15 下午 10:15:46

iphone Programming Glossary: videolayer

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

CGRectMake videoSize.width 65 videoSize.height 75 57 57 aLayer.opacity 0.65 CALayer parentLayer CALayer layer CALayer videoLayer CALayer layer parentLayer.frame CGRectMake 0 0 videoSize.width videoSize.height videoLayer.frame CGRectMake 0 0 videoSize.width.. CALayer layer CALayer videoLayer CALayer layer parentLayer.frame CGRectMake 0 0 videoSize.width videoSize.height videoLayer.frame CGRectMake 0 0 videoSize.width videoSize.height parentLayer addSublayer videoLayer parentLayer addSublayer aLayer.. videoSize.height videoLayer.frame CGRectMake 0 0 videoSize.width videoSize.height parentLayer addSublayer videoLayer parentLayer addSublayer aLayer CATextLayer titleLayer CATextLayer layer titleLayer.string @ Text goes here titleLayer.font..

CoreAnimation, AVFoundation and ability to make Video export

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

CGSizeMake 1024 768 CALayer wrapLayer CALayer layer wrapLayer.frame CGRectMake 0 0 1024 768 CALayer videoLayer CALayer layer videoLayer.frame CGRectMake 0 0 1024 768 wrapLayer addSublayer animationLayer wrapLayer addSublayer videoLayer.. 1024 768 CALayer wrapLayer CALayer layer wrapLayer.frame CGRectMake 0 0 1024 768 CALayer videoLayer CALayer layer videoLayer.frame CGRectMake 0 0 1024 768 wrapLayer addSublayer animationLayer wrapLayer addSublayer videoLayer AVMutableVideoComposition.. CALayer layer videoLayer.frame CGRectMake 0 0 1024 768 wrapLayer addSublayer animationLayer wrapLayer addSublayer videoLayer AVMutableVideoComposition videoComposition AVMutableVideoComposition videoComposition AVMutableVideoCompositionInstruction..