/usr/include/libopenshot/DecklinkReader.h is in libopenshot-dev 0.1.9+dfsg1-3build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | /**
* @file
* @brief Header file for DecklinkReader class
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @section LICENSE
*
* Copyright (c) 2008-2014 OpenShot Studios, LLC
* <http://www.openshotstudios.com/>. This file is part of
* OpenShot Library (libopenshot), an open-source project dedicated to
* delivering high quality video editing and animation solutions to the
* world. For more information visit <http://www.openshot.org/>.
*
* OpenShot Library (libopenshot) is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser 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 (libopenshot) 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPENSHOT_DECKLINK_READER_H
#define OPENSHOT_DECKLINK_READER_H
#include "ReaderBase.h"
#include <cmath>
#include <ctime>
#include <fcntl.h>
#include <iostream>
#include <omp.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory>
#include <unistd.h>
#include "CacheMemory.h"
#include "Exceptions.h"
#include "Frame.h"
#include "DecklinkInput.h"
using namespace std;
namespace openshot
{
/**
* @brief This class uses the Blackmagic Decklink libraries, to open video streams on Blackmagic devices.
*
* This requires special hardware manufactured by <a href="http://www.blackmagicdesign.com/products">Blackmagic Designs</a>.
* Once the device is aquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
*/
class DecklinkReader : public ReaderBase
{
private:
bool is_open;
IDeckLink *deckLink;
IDeckLinkInput *deckLinkInput;
IDeckLinkDisplayModeIterator *displayModeIterator;
IDeckLinkOutput *m_deckLinkOutput;
IDeckLinkVideoConversion *m_deckLinkConverter;
pthread_mutex_t sleepMutex;
pthread_cond_t sleepCond;
IDeckLinkIterator *deckLinkIterator;
DeckLinkInputDelegate *delegate;
IDeckLinkDisplayMode *displayMode;
BMDVideoInputFlags inputFlags;
BMDDisplayMode selectedDisplayMode;
BMDPixelFormat pixelFormat;
int displayModeCount;
int exitStatus;
int ch;
bool foundDisplayMode;
HRESULT result;
int g_videoModeIndex;
int g_audioChannels;
int g_audioSampleDepth;
int g_maxFrames;
int device;
BMDTimeValue frameRateDuration, frameRateScale;
const char *displayModeName;
public:
/// Constructor for DecklinkReader. This automatically opens the device and loads
/// the first second of video, or it throws one of the following exceptions.
DecklinkReader(int device, int video_mode, int pixel_format, int channels, int sample_depth);
~DecklinkReader(); /// Destructor
/// Close the device and video stream
void Close();
/// Get the cache object used by this reader (always returns NULL for this reader)
CacheMemory* GetCache() { return NULL; };
/// Get an openshot::Frame object for a specific frame number of this reader. Frame number
/// is ignored, since it always gets the latest LIVE frame.
///
/// @returns The requested frame (containing the image)
/// @param requested_frame The frame number that is requested.
std::shared_ptr<Frame> GetFrame(int64_t requested_frame);
unsigned long GetCurrentFrameNumber();
/// Determine if reader is open or closed
bool IsOpen() { return is_open; };
/// Return the type name of the class
string Name() { return "DecklinkReader"; };
/// Get and Set JSON methods
string Json(); ///< Generate JSON string of this object
void SetJson(string value); ///< Load JSON string into this object
Json::Value JsonValue(); ///< Generate Json::JsonValue for this object
void SetJsonValue(Json::Value root); ///< Load Json::JsonValue into this object
/// Open device and video stream - which is called by the constructor automatically
void Open();
};
}
#endif
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