rosywriter's Introduction
RosyWriter This sample demonstrates how to use AVCaptureVideoDataOutput to bring frames from the camera into various processing pipelines, including CPU-based, OpenGL (i.e. on the GPU), CoreImage filters, and OpenCV. It also demonstrates best practices for writing the processed output of these pipelines to a movie file using AVAssetWriter. The project includes a different target for each of the different processing pipelines. Classes RosyWriterViewController -- This file contains the view controller logic, including support for the Record button and video preview. RosyWriterCapturePipeline -- This file manages the audio and video capture pipelines, including the AVCaptureSession, the various queues, and resource management. Renderers RosyWriterRenderer -- This file defines a generic protocol for renderer objects used by RosyWriterCapturePipeline. RosyWriterOpenGLRenderer -- This file manages the OpenGL (GPU) processing for the "rosy" effect and delivers rendered buffers. RosyWriterCPURenderer -- This file manages the CPU processing for the "rosy" effect and delivers rendered buffers. RosyWriterCIFilterRenderer -- This file manages the CoreImage processing for the "rosy" effect and delivers rendered buffers. RosyWriterOpenCVRenderer -- This file manages the delivery of frames to an OpenCV processing block and delivers rendered buffers. RosyWriterAppDelegate -- This file is a standard application delegate class. Shaders myFilter -- OpenGL shader code for the "rosy" effect Utilities MovieRecorder -- Illustrates real-time use of AVAssetWriter to record the displayed effect. OpenGLPixelBufferView -- This is a view that displays pixel buffers on the screen using OpenGL. GL -- Utilities used by the GL processing pipeline. =============================================================== Copyright © 2014 Apple Inc. All rights reserved.
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