DecklinkInput.h
Go to the documentation of this file.
/**
* @file
* @brief Header file for DecklinkInput class
* @author Jonathan Thomas <jonathan@openshot.org>, Blackmagic Design
*
* @section LICENSE
*
* Copyright (c) 2009 Blackmagic Design
*
* Permission is hereby granted, free of charge, to any person or organization
* obtaining a copy of the software and accompanying documentation covered by
* this license (the "Software") to use, reproduce, display, distribute,
* execute, and transmit the Software, and to prepare derivative works of the
* Software, and to permit third-parties to whom the Software is furnished to
* do so, all subject to the following:
*
* The copyright notices in the Software and this entire statement, including
* the above license grant, this restriction and the following disclaimer,
* must be included in all copies of the Software, in whole or in part, and
* all derivative works of the Software, unless such copies or derivative
* works are solely in the form of machine-executable object code generated by
* a source language processor.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
* 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_INPUT_H
#define OPENSHOT_DECKLINK_INPUT_H
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <fcntl.h>
#include "DeckLinkAPI.h"
#include "Frame.h"
#include "CacheMemory.h"
#include "OpenMPUtilities.h"
/// Implementation of the Blackmagic Decklink API (used by the DecklinkReader)
class DeckLinkInputDelegate : public IDeckLinkInputCallback
{
public:
pthread_cond_t* sleepCond;
BMDTimecodeFormat g_timecodeFormat;
unsigned long frameCount;
unsigned long final_frameCount;
// Queue of raw video frames
deque<IDeckLinkMutableVideoFrame*> raw_video_frames;
openshot::CacheMemory final_frames;
// Convert between YUV and RGB
IDeckLinkOutput *deckLinkOutput;
IDeckLinkVideoConversion *deckLinkConverter;
DeckLinkInputDelegate(pthread_cond_t* m_sleepCond, IDeckLinkOutput* deckLinkOutput, IDeckLinkVideoConversion* deckLinkConverter);
~DeckLinkInputDelegate();
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) { return E_NOINTERFACE; }
virtual ULONG STDMETHODCALLTYPE AddRef(void);
virtual ULONG STDMETHODCALLTYPE Release(void);
virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags);
virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*);
// Extra methods
std::shared_ptr<openshot::Frame> GetFrame(int64_t requested_frame);
unsigned long GetCurrentFrameNumber();
private:
ULONG m_refCount;
pthread_mutex_t m_mutex;
};
#endif
DeckLinkInputDelegate::raw_video_frames
deque< IDeckLinkMutableVideoFrame * > raw_video_frames
Definition: DecklinkInput.h:79
DeckLinkInputDelegate::final_frameCount
unsigned long final_frameCount
Definition: DecklinkInput.h:76
DeckLinkInputDelegate::g_timecodeFormat
BMDTimecodeFormat g_timecodeFormat
Definition: DecklinkInput.h:74
DeckLinkInputDelegate::sleepCond
pthread_cond_t * sleepCond
Definition: DecklinkInput.h:73
DeckLinkInputDelegate::deckLinkOutput
IDeckLinkOutput * deckLinkOutput
Definition: DecklinkInput.h:83
DeckLinkInputDelegate::~DeckLinkInputDelegate
~DeckLinkInputDelegate()
Definition: DecklinkInput.cpp:70
DeckLinkInputDelegate::VideoInputFormatChanged
virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode *, BMDDetectedVideoInputFormatFlags)
Definition: DecklinkInput.cpp:285
DeckLinkInputDelegate::DeckLinkInputDelegate
DeckLinkInputDelegate(pthread_cond_t *m_sleepCond, IDeckLinkOutput *deckLinkOutput, IDeckLinkVideoConversion *deckLinkConverter)
Definition: DecklinkInput.cpp:57
DeckLinkInputDelegate::frameCount
unsigned long frameCount
Definition: DecklinkInput.h:75
openshot::CacheMemory
This class is a memory-based cache manager for Frame objects.
Definition: CacheMemory.h:48
DeckLinkInputDelegate::GetFrame
std::shared_ptr< openshot::Frame > GetFrame(int64_t requested_frame)
Definition: DecklinkInput.cpp:107
DeckLinkInputDelegate
Implementation of the Blackmagic Decklink API (used by the DecklinkReader)
Definition: DecklinkInput.h:70
CacheMemory.h
Header file for CacheMemory class.
DeckLinkInputDelegate::AddRef
virtual ULONG STDMETHODCALLTYPE AddRef(void)
Definition: DecklinkInput.cpp:75
Frame.h
Header file for Frame class.
DeckLinkInputDelegate::GetCurrentFrameNumber
unsigned long GetCurrentFrameNumber()
Definition: DecklinkInput.cpp:99
DeckLinkInputDelegate::QueryInterface
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv)
Definition: DecklinkInput.h:89
OpenMPUtilities.h
Header file for OpenMPUtilities (set some common macros)
DeckLinkInputDelegate::Release
virtual ULONG STDMETHODCALLTYPE Release(void)
Definition: DecklinkInput.cpp:84
DeckLinkInputDelegate::deckLinkConverter
IDeckLinkVideoConversion * deckLinkConverter
Definition: DecklinkInput.h:84
DeckLinkInputDelegate::VideoInputFrameArrived
virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame *, IDeckLinkAudioInputPacket *)
Definition: DecklinkInput.cpp:135
DeckLinkInputDelegate::final_frames
openshot::CacheMemory final_frames
Definition: DecklinkInput.h:80