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2014/10/15 ¤U¤È 10:03:29

iphone Programming Glossary: accelerated

Hardware accelerated h.264 decoding to texture, overlay or similar in iOS

http://stackoverflow.com/questions/10646657/hardware-accelerated-h-264-decoding-to-texture-overlay-or-similar-in-ios

accelerated h.264 decoding to texture overlay or similar in iOS Is it possible and supported to use the iOS hardware accelerated h.264.. accelerated h.264 decoding to texture overlay or similar in iOS Is it possible and supported to use the iOS hardware accelerated h.264 decoding API to decode a local not streamed video file and then compose other objects on top of it I would like to.. Yes you can do that. Just use A and B use C to render into D and draw your stuff with E or No you can't. The hardware accelerated decoding is not available for third party applications which is what a friend told me . Just this and I'll be on my way...

How to use various effect or filters in iphone camera application [duplicate]

http://stackoverflow.com/questions/12813971/how-to-use-various-effect-or-filters-in-iphone-camera-application

objective c ios ios4 share improve this question Brad Larson's GPUImage framework provides a large number of GPU accelerated effects. Just integrate the GPUImage framework into your project and use the filters as you need. It's easy to implement...

Detect touches only on non-transparent pixels of UIImageView, efficiently

http://stackoverflow.com/questions/13291919/detect-touches-only-on-non-transparent-pixels-of-uiimageview-efficiently

zero should also be considered valid. What happens if the image has a transform Can the image processing be hardware accelerated iphone ios image processing uiimageview hittest share improve this question Here's my quick implementation based on..

IOSurfaces - Artefacts in video and unable to grab video surfaces

http://stackoverflow.com/questions/14135215/iosurfaces-artefacts-in-video-and-unable-to-grab-video-surfaces

when a video is played or when we play games. All I get is a blank screen in the output. This might be due to hardware accelerated decoding that happens in such cases. Any inputs on either of the 2 parts of the questions will be really helpful. Also if..

How do I perform a fast pixellation filter on an image?

http://stackoverflow.com/questions/5049041/how-do-i-perform-a-fast-pixellation-filter-on-an-image

end I've created an open source framework for iOS called GPUImage that makes it relatively simple to do this kind of accelerated image processing. It does require OpenGL ES 2.0 support but every iOS device sold for the last couple of years has this..

iPhone Core Animation - Drawing a Circle

http://stackoverflow.com/questions/7991086/iphone-core-animation-drawing-a-circle

What you really should do is to animate the stroke of a CAShapeLayer where the path is a circle. This will be accelerated using Core Animation and is less messy then to draw part of a circle in drawRect . The code below will create a circle shape..

Most efficient way to draw part of an image in iOS

http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios

which is implemented on top of OpenGL which is a virtually direct interface to the GPU . This means UIKit is being accelerated by GPU. So if you use them properly I mean within designed limitations it will perform as well as plain OpenGL implementation...