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A simple demonstration project for Windows Phone 8 describing a way to create real-time filters for the camera viewfinder, using native code (C++). The project also provides a sample filter optimized using the NEON instruction set.

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README.md

Native Filter Demo

A simple demonstration project for Windows Phone 8 describing a way to create real-time filters for the camera viewfinder, using native code (C++). The project also provides a sample filter optimized using the NEON instruction set.

Screenshot

One of the big new features of Windows Phone 8 SDK is the support for C and C++, also known as native code support. This is a small demo app that shows how one can exploit that support to create real-time filters for the camera. For simplicity's sake, the example will implement a simple gray filter, that will convert camera input on the fly and show the result on screen.

The project also demonstrate how to use ARM Neon intrinsics to improve the speed of the filters, as well as how to feed camera frame into a MediaElement.

Please have a look at the corresponding ​wiki article that describes the project: http://developer.nokia.com/Community/Wiki/Real-time_camera_viewfinder_filters_in_Native_code


Copyright (c) 2013 Nokia Corporation. All rights reserved.

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