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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/**
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* @file
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* @brief Header file for DecklinkWriter class
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @section LICENSE
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*
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* Copyright (c) 2008-2014 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENSHOT_DECKLINK_WRITER_H
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#define OPENSHOT_DECKLINK_WRITER_H
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#include "WriterBase.h"
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#include <cmath>
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#include <ctime>
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#include <fcntl.h>
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#include <iostream>
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#include <omp.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <memory>
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#include <unistd.h>
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#include "CacheMemory.h"
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#include "Exceptions.h"
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#include "Frame.h"
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#include "DecklinkOutput.h"
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using namespace std;
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namespace openshot
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{
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/**
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* @brief This class uses the Blackmagic Decklink libraries, to send video streams to Blackmagic devices.
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*
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* This requires special hardware manufactured by <a href="http://www.blackmagicdesign.com/products">Blackmagic Designs</a>.
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* Once the device is aquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
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*/
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class DecklinkWriter : public WriterBase
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{
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private:
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bool is_open;
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IDeckLink *deckLink;
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IDeckLinkDisplayModeIterator *displayModeIterator;
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IDeckLinkOutput *deckLinkOutput;
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IDeckLinkVideoConversion *m_deckLinkConverter;
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pthread_mutex_t sleepMutex;
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pthread_cond_t sleepCond;
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IDeckLinkIterator *deckLinkIterator;
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DeckLinkOutputDelegate *delegate;
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IDeckLinkDisplayMode *displayMode;
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BMDVideoInputFlags inputFlags;
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BMDDisplayMode selectedDisplayMode;
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BMDPixelFormat pixelFormat;
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int displayModeCount;
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int exitStatus;
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int ch;
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bool foundDisplayMode;
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HRESULT result;
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int g_videoModeIndex;
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int g_audioChannels;
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int g_audioSampleDepth;
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int g_maxFrames;
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int device;
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public:
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/// Constructor for DecklinkWriter. This automatically opens the device or it
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/// throws one of the following exceptions.
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DecklinkWriter(int device, int video_mode, int pixel_format, int channels, int sample_depth) throw(DecklinkError);
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/// Close the device and video stream
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void Close();
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/// This method is required for all derived classes of WriterBase. Write a Frame to the video file.
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void WriteFrame(std::shared_ptr<Frame> frame) throw(WriterClosed);
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/// This method is required for all derived classes of WriterBase. Write a block of frames from a reader.
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void WriteFrame(ReaderBase* reader, int start, int length) throw(WriterClosed);
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/// Open device and video stream - which is called by the constructor automatically
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void Open() throw(DecklinkError);
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/// Determine if writer is open or closed
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bool IsOpen() { return is_open; };
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};
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}
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#endif
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