/** * @file * @brief Header file for DummyReader class * @author Jonathan Thomas * * @section LICENSE * * Copyright (c) 2008-2013 OpenShot Studios, LLC * (http://www.openshotstudios.com). This file is part of * OpenShot Library (http://www.openshot.org), an open-source project * dedicated to delivering high quality video editing and animation solutions * to the world. * * OpenShot Library is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OpenShot Library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenShot Library. If not, see . */ #ifndef OPENSHOT_DUMMY_READER_H #define OPENSHOT_DUMMY_READER_H #include "ReaderBase.h" #include #include #include #include #include #include #include "Magick++.h" #include "Cache.h" #include "Exceptions.h" #include "FrameRate.h" using namespace std; namespace openshot { /** * @brief This class is used as a simple, dummy reader, which always returns a blank frame. * * A dummy reader can be created with any framerate or samplerate. This is useful in unit * tests that need to test different framerates or samplerates. */ class DummyReader : public ReaderBase { private: tr1::shared_ptr image_frame; Framerate fps; float duration; int sample_rate; int width; int height; int channels; bool is_open; public: /// Constructor for DummyReader. DummyReader(Framerate fps, int width, int height, int sample_rate, int channels, float duration); /// Close File void Close(); /// Get an openshot::Frame object for a specific frame number of this reader. All numbers /// return the same Frame, since they all share the same image data. /// /// @returns The requested frame (containing the image) /// @param requested_frame The frame number that is requested. tr1::shared_ptr GetFrame(int requested_frame) throw(ReaderClosed); /// Open File - which is called by the constructor automatically void Open() throw(InvalidFile); }; } #endif