OpenShot Library | libopenshot 0.2.7
DecklinkInput.h
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1/**
2 * @file
3 * @brief Header file for DecklinkInput class
4 * @author Jonathan Thomas <jonathan@openshot.org>, Blackmagic Design
5 *
6 * @ref License
7 */
8
9/* LICENSE
10 *
11 * Copyright (c) 2009 Blackmagic Design
12 *
13 * Permission is hereby granted, free of charge, to any person or organization
14 * obtaining a copy of the software and accompanying documentation covered by
15 * this license (the "Software") to use, reproduce, display, distribute,
16 * execute, and transmit the Software, and to prepare derivative works of the
17 * Software, and to permit third-parties to whom the Software is furnished to
18 * do so, all subject to the following:
19 *
20 * The copyright notices in the Software and this entire statement, including
21 * the above license grant, this restriction and the following disclaimer,
22 * must be included in all copies of the Software, in whole or in part, and
23 * all derivative works of the Software, unless such copies or derivative
24 * works are solely in the form of machine-executable object code generated by
25 * a source language processor.
26 *
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
28 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
29 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
30 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
31 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
32 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
33 * DEALINGS IN THE SOFTWARE.
34 *
35 *
36 * Copyright (c) 2008-2019 OpenShot Studios, LLC
37 * <http://www.openshotstudios.com/>. This file is part of
38 * OpenShot Library (libopenshot), an open-source project dedicated to
39 * delivering high quality video editing and animation solutions to the
40 * world. For more information visit <http://www.openshot.org/>.
41 *
42 * OpenShot Library (libopenshot) is free software: you can redistribute it
43 * and/or modify it under the terms of the GNU Lesser General Public License
44 * as published by the Free Software Foundation, either version 3 of the
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46 *
47 * OpenShot Library (libopenshot) is distributed in the hope that it will be
48 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
49 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
50 * GNU Lesser General Public License for more details.
51 *
52 * You should have received a copy of the GNU Lesser General Public License
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54 */
55
56#ifndef OPENSHOT_DECKLINK_INPUT_H
57#define OPENSHOT_DECKLINK_INPUT_H
58
59#include <iostream>
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63#include <pthread.h>
64#include <unistd.h>
65#include <fcntl.h>
66
67#include "DeckLinkAPI.h"
68#include "Frame.h"
69#include "CacheMemory.h"
70#include "OpenMPUtilities.h"
71
72/// Implementation of the Blackmagic Decklink API (used by the DecklinkReader)
73class DeckLinkInputDelegate : public IDeckLinkInputCallback
74{
75public:
76 pthread_cond_t* sleepCond;
77 BMDTimecodeFormat g_timecodeFormat;
78 unsigned long frameCount;
79 unsigned long final_frameCount;
80
81 // Queue of raw video frames
82 std::deque<IDeckLinkMutableVideoFrame*> raw_video_frames;
84
85 // Convert between YUV and RGB
86 IDeckLinkOutput *deckLinkOutput;
87 IDeckLinkVideoConversion *deckLinkConverter;
88
89 DeckLinkInputDelegate(pthread_cond_t* m_sleepCond, IDeckLinkOutput* deckLinkOutput, IDeckLinkVideoConversion* deckLinkConverter);
91
92 virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) { return E_NOINTERFACE; }
93 virtual ULONG STDMETHODCALLTYPE AddRef(void);
94 virtual ULONG STDMETHODCALLTYPE Release(void);
95 virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags);
96 virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*);
97
98 // Extra methods
99 std::shared_ptr<openshot::Frame> GetFrame(int64_t requested_frame);
100 unsigned long GetCurrentFrameNumber();
101
102private:
103 ULONG m_refCount;
104 pthread_mutex_t m_mutex;
105};
106
107#endif
Header file for CacheMemory class.
Header file for Frame class.
Header file for OpenMPUtilities (set some common macros)
Implementation of the Blackmagic Decklink API (used by the DecklinkReader)
Definition: DecklinkInput.h:74
virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame *, IDeckLinkAudioInputPacket *)
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv)
Definition: DecklinkInput.h:92
pthread_cond_t * sleepCond
Definition: DecklinkInput.h:76
unsigned long GetCurrentFrameNumber()
IDeckLinkVideoConversion * deckLinkConverter
Definition: DecklinkInput.h:87
openshot::CacheMemory final_frames
Definition: DecklinkInput.h:83
std::shared_ptr< openshot::Frame > GetFrame(int64_t requested_frame)
virtual ULONG STDMETHODCALLTYPE Release(void)
std::deque< IDeckLinkMutableVideoFrame * > raw_video_frames
Definition: DecklinkInput.h:82
DeckLinkInputDelegate(pthread_cond_t *m_sleepCond, IDeckLinkOutput *deckLinkOutput, IDeckLinkVideoConversion *deckLinkConverter)
BMDTimecodeFormat g_timecodeFormat
Definition: DecklinkInput.h:77
virtual ULONG STDMETHODCALLTYPE AddRef(void)
unsigned long final_frameCount
Definition: DecklinkInput.h:79
virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode *, BMDDetectedVideoInputFormatFlags)
unsigned long frameCount
Definition: DecklinkInput.h:78
IDeckLinkOutput * deckLinkOutput
Definition: DecklinkInput.h:86
This class is a memory-based cache manager for Frame objects.
Definition: CacheMemory.h:50