Mac Video Capture: Add Blackmagic DeckLink SDK for Mac to third_party folder

third_party/decklink/mac/include/DeckLinkAPI.h

Index: third_party/decklink/mac/include/DeckLinkAPI.h
diff --git a/third_party/decklink/mac/include/DeckLinkAPI.h b/third_party/decklink/mac/include/DeckLinkAPI.h
new file mode 100644
index 0000000000000000000000000000000000000000..354e1c579034e75decba87a30ef86bc07757c6cb
--- /dev/null
+++ b/third_party/decklink/mac/include/DeckLinkAPI.h
@@ -0,0 +1,787 @@
+/* -LICENSE-START-
+** Copyright (c) 2014 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.
+** -LICENSE-END-
+*/
+
+#ifndef BMD_DECKLINKAPI_H
+#define BMD_DECKLINKAPI_H
+
+
+#ifndef BMD_CONST
+    #if defined(_MSC_VER)
+        #define BMD_CONST __declspec(selectany) static const
+    #else
+        #define BMD_CONST static const
+    #endif
+#endif
+
+/* DeckLink API */
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFPlugInCOM.h>
+#include <stdint.h>
+
+#include "DeckLinkAPITypes.h"
+#include "DeckLinkAPIModes.h"
+#include "DeckLinkAPIDiscovery.h"
+#include "DeckLinkAPIConfiguration.h"
+#include "DeckLinkAPIDeckControl.h"
+
+#include "DeckLinkAPIStreaming.h"
+
+#define BLACKMAGIC_DECKLINK_API_MAGIC	1
+
+// Type Declarations
+
+
+// Interface ID Declarations
+
+BMD_CONST REFIID IID_IDeckLinkVideoOutputCallback                 = /* 20AA5225-1958-47CB-820B-80A8D521A6EE */ {0x20,0xAA,0x52,0x25,0x19,0x58,0x47,0xCB,0x82,0x0B,0x80,0xA8,0xD5,0x21,0xA6,0xEE};
+BMD_CONST REFIID IID_IDeckLinkInputCallback                       = /* DD04E5EC-7415-42AB-AE4A-E80C4DFC044A */ {0xDD,0x04,0xE5,0xEC,0x74,0x15,0x42,0xAB,0xAE,0x4A,0xE8,0x0C,0x4D,0xFC,0x04,0x4A};
+BMD_CONST REFIID IID_IDeckLinkMemoryAllocator                     = /* B36EB6E7-9D29-4AA8-92EF-843B87A289E8 */ {0xB3,0x6E,0xB6,0xE7,0x9D,0x29,0x4A,0xA8,0x92,0xEF,0x84,0x3B,0x87,0xA2,0x89,0xE8};
+BMD_CONST REFIID IID_IDeckLinkAudioOutputCallback                 = /* 403C681B-7F46-4A12-B993-2BB127084EE6 */ {0x40,0x3C,0x68,0x1B,0x7F,0x46,0x4A,0x12,0xB9,0x93,0x2B,0xB1,0x27,0x08,0x4E,0xE6};
+BMD_CONST REFIID IID_IDeckLinkIterator                            = /* 50FB36CD-3063-4B73-BDBB-958087F2D8BA */ {0x50,0xFB,0x36,0xCD,0x30,0x63,0x4B,0x73,0xBD,0xBB,0x95,0x80,0x87,0xF2,0xD8,0xBA};
+BMD_CONST REFIID IID_IDeckLinkAPIInformation                      = /* 7BEA3C68-730D-4322-AF34-8A7152B532A4 */ {0x7B,0xEA,0x3C,0x68,0x73,0x0D,0x43,0x22,0xAF,0x34,0x8A,0x71,0x52,0xB5,0x32,0xA4};
+BMD_CONST REFIID IID_IDeckLinkOutput                              = /* CC5C8A6E-3F2F-4B3A-87EA-FD78AF300564 */ {0xCC,0x5C,0x8A,0x6E,0x3F,0x2F,0x4B,0x3A,0x87,0xEA,0xFD,0x78,0xAF,0x30,0x05,0x64};
+BMD_CONST REFIID IID_IDeckLinkInput                               = /* AF22762B-DFAC-4846-AA79-FA8883560995 */ {0xAF,0x22,0x76,0x2B,0xDF,0xAC,0x48,0x46,0xAA,0x79,0xFA,0x88,0x83,0x56,0x09,0x95};
+BMD_CONST REFIID IID_IDeckLinkVideoFrame                          = /* 3F716FE0-F023-4111-BE5D-EF4414C05B17 */ {0x3F,0x71,0x6F,0xE0,0xF0,0x23,0x41,0x11,0xBE,0x5D,0xEF,0x44,0x14,0xC0,0x5B,0x17};
+BMD_CONST REFIID IID_IDeckLinkMutableVideoFrame                   = /* 69E2639F-40DA-4E19-B6F2-20ACE815C390 */ {0x69,0xE2,0x63,0x9F,0x40,0xDA,0x4E,0x19,0xB6,0xF2,0x20,0xAC,0xE8,0x15,0xC3,0x90};
+BMD_CONST REFIID IID_IDeckLinkVideoFrame3DExtensions              = /* DA0F7E4A-EDC7-48A8-9CDD-2DB51C729CD7 */ {0xDA,0x0F,0x7E,0x4A,0xED,0xC7,0x48,0xA8,0x9C,0xDD,0x2D,0xB5,0x1C,0x72,0x9C,0xD7};
+BMD_CONST REFIID IID_IDeckLinkVideoInputFrame                     = /* 05CFE374-537C-4094-9A57-680525118F44 */ {0x05,0xCF,0xE3,0x74,0x53,0x7C,0x40,0x94,0x9A,0x57,0x68,0x05,0x25,0x11,0x8F,0x44};
+BMD_CONST REFIID IID_IDeckLinkVideoFrameAncillary                 = /* 732E723C-D1A4-4E29-9E8E-4A88797A0004 */ {0x73,0x2E,0x72,0x3C,0xD1,0xA4,0x4E,0x29,0x9E,0x8E,0x4A,0x88,0x79,0x7A,0x00,0x04};
+BMD_CONST REFIID IID_IDeckLinkAudioInputPacket                    = /* E43D5870-2894-11DE-8C30-0800200C9A66 */ {0xE4,0x3D,0x58,0x70,0x28,0x94,0x11,0xDE,0x8C,0x30,0x08,0x00,0x20,0x0C,0x9A,0x66};
+BMD_CONST REFIID IID_IDeckLinkScreenPreviewCallback               = /* B1D3F49A-85FE-4C5D-95C8-0B5D5DCCD438 */ {0xB1,0xD3,0xF4,0x9A,0x85,0xFE,0x4C,0x5D,0x95,0xC8,0x0B,0x5D,0x5D,0xCC,0xD4,0x38};
+BMD_CONST REFIID IID_IDeckLinkCocoaScreenPreviewCallback          = /* D174152F-8F96-4C07-83A5-DD5F5AF0A2AA */ {0xD1,0x74,0x15,0x2F,0x8F,0x96,0x4C,0x07,0x83,0xA5,0xDD,0x5F,0x5A,0xF0,0xA2,0xAA};
+BMD_CONST REFIID IID_IDeckLinkGLScreenPreviewHelper               = /* 504E2209-CAC7-4C1A-9FB4-C5BB6274D22F */ {0x50,0x4E,0x22,0x09,0xCA,0xC7,0x4C,0x1A,0x9F,0xB4,0xC5,0xBB,0x62,0x74,0xD2,0x2F};
+BMD_CONST REFIID IID_IDeckLinkNotificationCallback                = /* B002A1EC-070D-4288-8289-BD5D36E5FF0D */ {0xB0,0x02,0xA1,0xEC,0x07,0x0D,0x42,0x88,0x82,0x89,0xBD,0x5D,0x36,0xE5,0xFF,0x0D};
+BMD_CONST REFIID IID_IDeckLinkNotification                        = /* 0A1FB207-E215-441B-9B19-6FA1575946C5 */ {0x0A,0x1F,0xB2,0x07,0xE2,0x15,0x44,0x1B,0x9B,0x19,0x6F,0xA1,0x57,0x59,0x46,0xC5};
+BMD_CONST REFIID IID_IDeckLinkAttributes                          = /* ABC11843-D966-44CB-96E2-A1CB5D3135C4 */ {0xAB,0xC1,0x18,0x43,0xD9,0x66,0x44,0xCB,0x96,0xE2,0xA1,0xCB,0x5D,0x31,0x35,0xC4};
+BMD_CONST REFIID IID_IDeckLinkKeyer                               = /* 89AFCAF5-65F8-421E-98F7-96FE5F5BFBA3 */ {0x89,0xAF,0xCA,0xF5,0x65,0xF8,0x42,0x1E,0x98,0xF7,0x96,0xFE,0x5F,0x5B,0xFB,0xA3};
+BMD_CONST REFIID IID_IDeckLinkVideoConversion                     = /* 3BBCB8A2-DA2C-42D9-B5D8-88083644E99A */ {0x3B,0xBC,0xB8,0xA2,0xDA,0x2C,0x42,0xD9,0xB5,0xD8,0x88,0x08,0x36,0x44,0xE9,0x9A};
+BMD_CONST REFIID IID_IDeckLinkDeviceNotificationCallback          = /* 4997053B-0ADF-4CC8-AC70-7A50C4BE728F */ {0x49,0x97,0x05,0x3B,0x0A,0xDF,0x4C,0xC8,0xAC,0x70,0x7A,0x50,0xC4,0xBE,0x72,0x8F};
+BMD_CONST REFIID IID_IDeckLinkDiscovery                           = /* CDBF631C-BC76-45FA-B44D-C55059BC6101 */ {0xCD,0xBF,0x63,0x1C,0xBC,0x76,0x45,0xFA,0xB4,0x4D,0xC5,0x50,0x59,0xBC,0x61,0x01};
+
+/* Enum BMDVideoOutputFlags - Flags to control the output of ancillary data along with video. */
+
+typedef uint32_t BMDVideoOutputFlags;
+enum _BMDVideoOutputFlags {
+    bmdVideoOutputFlagDefault                                    = 0,
+    bmdVideoOutputVANC                                           = 1 << 0,
+    bmdVideoOutputVITC                                           = 1 << 1,
+    bmdVideoOutputRP188                                          = 1 << 2,
+    bmdVideoOutputDualStream3D                                   = 1 << 4
+};
+
+/* Enum BMDFrameFlags - Frame flags */
+
+typedef uint32_t BMDFrameFlags;
+enum _BMDFrameFlags {
+    bmdFrameFlagDefault                                          = 0,
+    bmdFrameFlagFlipVertical                                     = 1 << 0,
+
+    /* Flags that are applicable only to instances of IDeckLinkVideoInputFrame */
+
+    bmdFrameHasNoInputSource                                     = 1 << 31
+};
+
+/* Enum BMDVideoInputFlags - Flags applicable to video input */
+
+typedef uint32_t BMDVideoInputFlags;
+enum _BMDVideoInputFlags {
+    bmdVideoInputFlagDefault                                     = 0,
+    bmdVideoInputEnableFormatDetection                           = 1 << 0,
+    bmdVideoInputDualStream3D                                    = 1 << 1
+};
+
+/* Enum BMDVideoInputFormatChangedEvents - Bitmask passed to the VideoInputFormatChanged notification to identify the properties of the input signal that have changed */
+
+typedef uint32_t BMDVideoInputFormatChangedEvents;
+enum _BMDVideoInputFormatChangedEvents {
+    bmdVideoInputDisplayModeChanged                              = 1 << 0,
+    bmdVideoInputFieldDominanceChanged                           = 1 << 1,
+    bmdVideoInputColorspaceChanged                               = 1 << 2
+};
+
+/* Enum BMDDetectedVideoInputFormatFlags - Flags passed to the VideoInputFormatChanged notification to describe the detected video input signal */
+
+typedef uint32_t BMDDetectedVideoInputFormatFlags;
+enum _BMDDetectedVideoInputFormatFlags {
+    bmdDetectedVideoInputYCbCr422                                = 1 << 0,
+    bmdDetectedVideoInputRGB444                                  = 1 << 1
+};
+
+/* Enum BMDDeckLinkCapturePassthroughMode - Enumerates whether the video output is electrically connected to the video input or if the clean switching mode is enabled */
+
+typedef uint32_t BMDDeckLinkCapturePassthroughMode;
+enum _BMDDeckLinkCapturePassthroughMode {
+    bmdDeckLinkCapturePassthroughModeDirect                      = 'pdir',
+    bmdDeckLinkCapturePassthroughModeCleanSwitch                 = 'pcln'
+};
+
+/* Enum BMDOutputFrameCompletionResult - Frame Completion Callback */
+
+typedef uint32_t BMDOutputFrameCompletionResult;
+enum _BMDOutputFrameCompletionResult {
+    bmdOutputFrameCompleted,                                    
+    bmdOutputFrameDisplayedLate,                                
+    bmdOutputFrameDropped,                                      
+    bmdOutputFrameFlushed                                       
+};
+
+/* Enum BMDReferenceStatus - GenLock input status */
+
+typedef uint32_t BMDReferenceStatus;
+enum _BMDReferenceStatus {
+    bmdReferenceNotSupportedByHardware                           = 1 << 0,
+    bmdReferenceLocked                                           = 1 << 1
+};
+
+/* Enum BMDAudioSampleRate - Audio sample rates supported for output/input */
+
+typedef uint32_t BMDAudioSampleRate;
+enum _BMDAudioSampleRate {
+    bmdAudioSampleRate48kHz                                      = 48000
+};
+
+/* Enum BMDAudioSampleType - Audio sample sizes supported for output/input */
+
+typedef uint32_t BMDAudioSampleType;
+enum _BMDAudioSampleType {
+    bmdAudioSampleType16bitInteger                               = 16,
+    bmdAudioSampleType32bitInteger                               = 32
+};
+
+/* Enum BMDAudioOutputStreamType - Audio output stream type */
+
+typedef uint32_t BMDAudioOutputStreamType;
+enum _BMDAudioOutputStreamType {
+    bmdAudioOutputStreamContinuous,                             
+    bmdAudioOutputStreamContinuousDontResample,                 
+    bmdAudioOutputStreamTimestamped                             
+};
+
+/* Enum BMDDisplayModeSupport - Output mode supported flags */
+
+typedef uint32_t BMDDisplayModeSupport;
+enum _BMDDisplayModeSupport {
+    bmdDisplayModeNotSupported                                   = 0,
+    bmdDisplayModeSupported,                                    
+    bmdDisplayModeSupportedWithConversion                       
+};
+
+/* Enum BMDTimecodeFormat - Timecode formats for frame metadata */
+
+typedef uint32_t BMDTimecodeFormat;
+enum _BMDTimecodeFormat {
+    bmdTimecodeRP188VITC1                                        = 'rpv1',	// RP188 timecode where DBB1 equals VITC1 (line 9)
+    bmdTimecodeRP188VITC2                                        = 'rp12',	// RP188 timecode where DBB1 equals VITC2 (line 571)
+    bmdTimecodeRP188LTC                                          = 'rplt',	// RP188 timecode where DBB1 equals LTC (line 10)
+    bmdTimecodeRP188Any                                          = 'rp18',	// For capture: return the first valid timecode in {VITC1, LTC ,VITC2} - For playback: set the timecode as VITC1
+    bmdTimecodeVITC                                              = 'vitc',
+    bmdTimecodeVITCField2                                        = 'vit2',
+    bmdTimecodeSerial                                            = 'seri'
+};
+
+/* Enum BMDAnalogVideoFlags - Analog video display flags */
+
+typedef uint32_t BMDAnalogVideoFlags;
+enum _BMDAnalogVideoFlags {
+    bmdAnalogVideoFlagCompositeSetup75                           = 1 << 0,
+    bmdAnalogVideoFlagComponentBetacamLevels                     = 1 << 1
+};
+
+/* Enum BMDAudioConnection - Audio connection types */
+
+typedef uint32_t BMDAudioConnection;
+enum _BMDAudioConnection {
+    bmdAudioConnectionEmbedded                                   = 'embd',
+    bmdAudioConnectionAESEBU                                     = 'aes ',
+    bmdAudioConnectionAnalog                                     = 'anlg',
+    bmdAudioConnectionAnalogXLR                                  = 'axlr',
+    bmdAudioConnectionAnalogRCA                                  = 'arca'
+};
+
+/* Enum BMDAudioOutputAnalogAESSwitch - Audio output Analog/AESEBU switch */
+
+typedef uint32_t BMDAudioOutputAnalogAESSwitch;
+enum _BMDAudioOutputAnalogAESSwitch {
+    bmdAudioOutputSwitchAESEBU                                   = 'aes ',
+    bmdAudioOutputSwitchAnalog                                   = 'anlg'
+};
+
+/* Enum BMDVideoOutputConversionMode - Video/audio conversion mode */
+
+typedef uint32_t BMDVideoOutputConversionMode;
+enum _BMDVideoOutputConversionMode {
+    bmdNoVideoOutputConversion                                   = 'none',
+    bmdVideoOutputLetterboxDownconversion                        = 'ltbx',
+    bmdVideoOutputAnamorphicDownconversion                       = 'amph',
+    bmdVideoOutputHD720toHD1080Conversion                        = '720c',
+    bmdVideoOutputHardwareLetterboxDownconversion                = 'HWlb',
+    bmdVideoOutputHardwareAnamorphicDownconversion               = 'HWam',
+    bmdVideoOutputHardwareCenterCutDownconversion                = 'HWcc',
+    bmdVideoOutputHardware720p1080pCrossconversion               = 'xcap',
+    bmdVideoOutputHardwareAnamorphic720pUpconversion             = 'ua7p',
+    bmdVideoOutputHardwareAnamorphic1080iUpconversion            = 'ua1i',
+    bmdVideoOutputHardwareAnamorphic149To720pUpconversion        = 'u47p',
+    bmdVideoOutputHardwareAnamorphic149To1080iUpconversion       = 'u41i',
+    bmdVideoOutputHardwarePillarbox720pUpconversion              = 'up7p',
+    bmdVideoOutputHardwarePillarbox1080iUpconversion             = 'up1i'
+};
+
+/* Enum BMDVideoInputConversionMode - Video input conversion mode */
+
+typedef uint32_t BMDVideoInputConversionMode;
+enum _BMDVideoInputConversionMode {
+    bmdNoVideoInputConversion                                    = 'none',
+    bmdVideoInputLetterboxDownconversionFromHD1080               = '10lb',
+    bmdVideoInputAnamorphicDownconversionFromHD1080              = '10am',
+    bmdVideoInputLetterboxDownconversionFromHD720                = '72lb',
+    bmdVideoInputAnamorphicDownconversionFromHD720               = '72am',
+    bmdVideoInputLetterboxUpconversion                           = 'lbup',
+    bmdVideoInputAnamorphicUpconversion                          = 'amup'
+};
+
+/* Enum BMDVideo3DPackingFormat - Video 3D packing format */
+
+typedef uint32_t BMDVideo3DPackingFormat;
+enum _BMDVideo3DPackingFormat {
+    bmdVideo3DPackingSidebySideHalf                              = 'sbsh',
+    bmdVideo3DPackingLinebyLine                                  = 'lbyl',
+    bmdVideo3DPackingTopAndBottom                                = 'tabo',
+    bmdVideo3DPackingFramePacking                                = 'frpk',
+    bmdVideo3DPackingLeftOnly                                    = 'left',
+    bmdVideo3DPackingRightOnly                                   = 'righ'
+};
+
+/* Enum BMDIdleVideoOutputOperation - Video output operation when not playing video */
+
+typedef uint32_t BMDIdleVideoOutputOperation;
+enum _BMDIdleVideoOutputOperation {
+    bmdIdleVideoOutputBlack                                      = 'blac',
+    bmdIdleVideoOutputLastFrame                                  = 'lafa',
+    bmdIdleVideoOutputDesktop                                    = 'desk'
+};
+
+/* Enum BMDDeckLinkAttributeID - DeckLink Attribute ID */
+
+typedef uint32_t BMDDeckLinkAttributeID;
+enum _BMDDeckLinkAttributeID {
+
+    /* Flags */
+
+    BMDDeckLinkSupportsInternalKeying                            = 'keyi',
+    BMDDeckLinkSupportsExternalKeying                            = 'keye',
+    BMDDeckLinkSupportsHDKeying                                  = 'keyh',
+    BMDDeckLinkSupportsInputFormatDetection                      = 'infd',
+    BMDDeckLinkHasReferenceInput                                 = 'hrin',
+    BMDDeckLinkHasSerialPort                                     = 'hspt',
+    BMDDeckLinkHasAnalogVideoOutputGain                          = 'avog',
+    BMDDeckLinkCanOnlyAdjustOverallVideoOutputGain               = 'ovog',
+    BMDDeckLinkHasVideoInputAntiAliasingFilter                   = 'aafl',
+    BMDDeckLinkHasBypass                                         = 'byps',
+    BMDDeckLinkSupportsDesktopDisplay                            = 'extd',
+    BMDDeckLinkSupportsClockTimingAdjustment                     = 'ctad',
+    BMDDeckLinkSupportsFullDuplex                                = 'fdup',
+    BMDDeckLinkSupportsFullFrameReferenceInputTimingOffset       = 'frin',
+
+    /* Integers */
+
+    BMDDeckLinkMaximumAudioChannels                              = 'mach',
+    BMDDeckLinkNumberOfSubDevices                                = 'nsbd',
+    BMDDeckLinkSubDeviceIndex                                    = 'subi',
+    BMDDeckLinkPersistentID                                      = 'peid',
+    BMDDeckLinkTopologicalID                                     = 'toid',
+    BMDDeckLinkVideoOutputConnections                            = 'vocn',
+    BMDDeckLinkVideoInputConnections                             = 'vicn',
+    BMDDeckLinkDeviceBusyState                                   = 'dbst',
+    BMDDeckLinkVideoIOSupport                                    = 'vios',	// Returns a BMDVideoIOSupport bit field
+
+    /* Floats */
+
+    BMDDeckLinkVideoInputGainMinimum                             = 'vigm',
+    BMDDeckLinkVideoInputGainMaximum                             = 'vigx',
+    BMDDeckLinkVideoOutputGainMinimum                            = 'vogm',
+    BMDDeckLinkVideoOutputGainMaximum                            = 'vogx',
+
+    /* Strings */
+
+    BMDDeckLinkSerialPortDeviceName                              = 'slpn'
+};
+
+/* Enum BMDDeckLinkAPIInformationID - DeckLinkAPI information ID */
+
+typedef uint32_t BMDDeckLinkAPIInformationID;
+enum _BMDDeckLinkAPIInformationID {
+    BMDDeckLinkAPIVersion                                        = 'vers'
+};
+
+/* Enum BMDDeviceBusyState - Current device busy state */
+
+typedef uint32_t BMDDeviceBusyState;
+enum _BMDDeviceBusyState {
+    bmdDeviceCaptureBusy                                         = 1 << 0,
+    bmdDevicePlaybackBusy                                        = 1 << 1,
+    bmdDeviceSerialPortBusy                                      = 1 << 2
+};
+
+/* Enum BMDVideoIOSupport - Device video input/output support */
+
+typedef uint32_t BMDVideoIOSupport;
+enum _BMDVideoIOSupport {
+    bmdDeviceSupportsCapture                                     = 1 << 0,
+    bmdDeviceSupportsPlayback                                    = 1 << 1
+};
+
+/* Enum BMD3DPreviewFormat - Linked Frame preview format */
+
+typedef uint32_t BMD3DPreviewFormat;
+enum _BMD3DPreviewFormat {
+    bmd3DPreviewFormatDefault                                    = 'defa',
+    bmd3DPreviewFormatLeftOnly                                   = 'left',
+    bmd3DPreviewFormatRightOnly                                  = 'righ',
+    bmd3DPreviewFormatSideBySide                                 = 'side',
+    bmd3DPreviewFormatTopBottom                                  = 'topb'
+};
+
+/* Enum BMDNotifications - Events that can be subscribed through IDeckLinkNotification */
+
+typedef uint32_t BMDNotifications;
+enum _BMDNotifications {
+    bmdPreferencesChanged                                        = 'pref'
+};
+
+#if defined(__cplusplus)
+
+// Forward Declarations
+
+class IDeckLinkVideoOutputCallback;
+class IDeckLinkInputCallback;
+class IDeckLinkMemoryAllocator;
+class IDeckLinkAudioOutputCallback;
+class IDeckLinkIterator;
+class IDeckLinkAPIInformation;
+class IDeckLinkOutput;
+class IDeckLinkInput;
+class IDeckLinkVideoFrame;
+class IDeckLinkMutableVideoFrame;
+class IDeckLinkVideoFrame3DExtensions;
+class IDeckLinkVideoInputFrame;
+class IDeckLinkVideoFrameAncillary;
+class IDeckLinkAudioInputPacket;
+class IDeckLinkScreenPreviewCallback;
+class IDeckLinkCocoaScreenPreviewCallback;
+class IDeckLinkGLScreenPreviewHelper;
+class IDeckLinkNotificationCallback;
+class IDeckLinkNotification;
+class IDeckLinkAttributes;
+class IDeckLinkKeyer;
+class IDeckLinkVideoConversion;
+class IDeckLinkDeviceNotificationCallback;
+class IDeckLinkDiscovery;
+
+/* Interface IDeckLinkVideoOutputCallback - Frame completion callback. */
+
+class IDeckLinkVideoOutputCallback : public IUnknown
+{
+public:
+    virtual HRESULT ScheduledFrameCompleted (/* in */ IDeckLinkVideoFrame *completedFrame, /* in */ BMDOutputFrameCompletionResult result) = 0;
+    virtual HRESULT ScheduledPlaybackHasStopped (void) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoOutputCallback () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkInputCallback - Frame arrival callback. */
+
+class IDeckLinkInputCallback : public IUnknown
+{
+public:
+    virtual HRESULT VideoInputFormatChanged (/* in */ BMDVideoInputFormatChangedEvents notificationEvents, /* in */ IDeckLinkDisplayMode *newDisplayMode, /* in */ BMDDetectedVideoInputFormatFlags detectedSignalFlags) = 0;
+    virtual HRESULT VideoInputFrameArrived (/* in */ IDeckLinkVideoInputFrame* videoFrame, /* in */ IDeckLinkAudioInputPacket* audioPacket) = 0;
+
+protected:
+    virtual ~IDeckLinkInputCallback () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkMemoryAllocator - Memory allocator for video frames. */
+
+class IDeckLinkMemoryAllocator : public IUnknown
+{
+public:
+    virtual HRESULT AllocateBuffer (/* in */ uint32_t bufferSize, /* out */ void **allocatedBuffer) = 0;
+    virtual HRESULT ReleaseBuffer (/* in */ void *buffer) = 0;
+
+    virtual HRESULT Commit (void) = 0;
+    virtual HRESULT Decommit (void) = 0;
+};
+
+/* Interface IDeckLinkAudioOutputCallback - Optional callback to allow audio samples to be pulled as required. */
+
+class IDeckLinkAudioOutputCallback : public IUnknown
+{
+public:
+    virtual HRESULT RenderAudioSamples (/* in */ bool preroll) = 0;
+};
+
+/* Interface IDeckLinkIterator - enumerates installed DeckLink hardware */
+
+class IDeckLinkIterator : public IUnknown
+{
+public:
+    virtual HRESULT Next (/* out */ IDeckLink **deckLinkInstance) = 0;
+};
+
+/* Interface IDeckLinkAPIInformation - DeckLinkAPI attribute interface */
+
+class IDeckLinkAPIInformation : public IUnknown
+{
+public:
+    virtual HRESULT GetFlag (/* in */ BMDDeckLinkAPIInformationID cfgID, /* out */ bool *value) = 0;
+    virtual HRESULT GetInt (/* in */ BMDDeckLinkAPIInformationID cfgID, /* out */ int64_t *value) = 0;
+    virtual HRESULT GetFloat (/* in */ BMDDeckLinkAPIInformationID cfgID, /* out */ double *value) = 0;
+    virtual HRESULT GetString (/* in */ BMDDeckLinkAPIInformationID cfgID, /* out */ CFStringRef *value) = 0;
+
+protected:
+    virtual ~IDeckLinkAPIInformation () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkOutput - Created by QueryInterface from IDeckLink. */
+
+class IDeckLinkOutput : public IUnknown
+{
+public:
+    virtual HRESULT DoesSupportVideoMode (/* in */ BMDDisplayMode displayMode, /* in */ BMDPixelFormat pixelFormat, /* in */ BMDVideoOutputFlags flags, /* out */ BMDDisplayModeSupport *result, /* out */ IDeckLinkDisplayMode **resultDisplayMode) = 0;
+    virtual HRESULT GetDisplayModeIterator (/* out */ IDeckLinkDisplayModeIterator **iterator) = 0;
+
+    virtual HRESULT SetScreenPreviewCallback (/* in */ IDeckLinkScreenPreviewCallback *previewCallback) = 0;
+
+    /* Video Output */
+
+    virtual HRESULT EnableVideoOutput (/* in */ BMDDisplayMode displayMode, /* in */ BMDVideoOutputFlags flags) = 0;
+    virtual HRESULT DisableVideoOutput (void) = 0;
+
+    virtual HRESULT SetVideoOutputFrameMemoryAllocator (/* in */ IDeckLinkMemoryAllocator *theAllocator) = 0;
+    virtual HRESULT CreateVideoFrame (/* in */ int32_t width, /* in */ int32_t height, /* in */ int32_t rowBytes, /* in */ BMDPixelFormat pixelFormat, /* in */ BMDFrameFlags flags, /* out */ IDeckLinkMutableVideoFrame **outFrame) = 0;
+    virtual HRESULT CreateAncillaryData (/* in */ BMDPixelFormat pixelFormat, /* out */ IDeckLinkVideoFrameAncillary **outBuffer) = 0;
+
+    virtual HRESULT DisplayVideoFrameSync (/* in */ IDeckLinkVideoFrame *theFrame) = 0;
+    virtual HRESULT ScheduleVideoFrame (/* in */ IDeckLinkVideoFrame *theFrame, /* in */ BMDTimeValue displayTime, /* in */ BMDTimeValue displayDuration, /* in */ BMDTimeScale timeScale) = 0;
+    virtual HRESULT SetScheduledFrameCompletionCallback (/* in */ IDeckLinkVideoOutputCallback *theCallback) = 0;
+    virtual HRESULT GetBufferedVideoFrameCount (/* out */ uint32_t *bufferedFrameCount) = 0;
+
+    /* Audio Output */
+
+    virtual HRESULT EnableAudioOutput (/* in */ BMDAudioSampleRate sampleRate, /* in */ BMDAudioSampleType sampleType, /* in */ uint32_t channelCount, /* in */ BMDAudioOutputStreamType streamType) = 0;
+    virtual HRESULT DisableAudioOutput (void) = 0;
+
+    virtual HRESULT WriteAudioSamplesSync (/* in */ void *buffer, /* in */ uint32_t sampleFrameCount, /* out */ uint32_t *sampleFramesWritten) = 0;
+
+    virtual HRESULT BeginAudioPreroll (void) = 0;
+    virtual HRESULT EndAudioPreroll (void) = 0;
+    virtual HRESULT ScheduleAudioSamples (/* in */ void *buffer, /* in */ uint32_t sampleFrameCount, /* in */ BMDTimeValue streamTime, /* in */ BMDTimeScale timeScale, /* out */ uint32_t *sampleFramesWritten) = 0;
+
+    virtual HRESULT GetBufferedAudioSampleFrameCount (/* out */ uint32_t *bufferedSampleFrameCount) = 0;
+    virtual HRESULT FlushBufferedAudioSamples (void) = 0;
+
+    virtual HRESULT SetAudioCallback (/* in */ IDeckLinkAudioOutputCallback *theCallback) = 0;
+
+    /* Output Control */
+
+    virtual HRESULT StartScheduledPlayback (/* in */ BMDTimeValue playbackStartTime, /* in */ BMDTimeScale timeScale, /* in */ double playbackSpeed) = 0;
+    virtual HRESULT StopScheduledPlayback (/* in */ BMDTimeValue stopPlaybackAtTime, /* out */ BMDTimeValue *actualStopTime, /* in */ BMDTimeScale timeScale) = 0;
+    virtual HRESULT IsScheduledPlaybackRunning (/* out */ bool *active) = 0;
+    virtual HRESULT GetScheduledStreamTime (/* in */ BMDTimeScale desiredTimeScale, /* out */ BMDTimeValue *streamTime, /* out */ double *playbackSpeed) = 0;
+    virtual HRESULT GetReferenceStatus (/* out */ BMDReferenceStatus *referenceStatus) = 0;
+
+    /* Hardware Timing */
+
+    virtual HRESULT GetHardwareReferenceClock (/* in */ BMDTimeScale desiredTimeScale, /* out */ BMDTimeValue *hardwareTime, /* out */ BMDTimeValue *timeInFrame, /* out */ BMDTimeValue *ticksPerFrame) = 0;
+    virtual HRESULT GetFrameCompletionReferenceTimestamp (/* in */ IDeckLinkVideoFrame *theFrame, /* in */ BMDTimeScale desiredTimeScale, /* out */ BMDTimeValue *frameCompletionTimestamp) = 0;
+
+protected:
+    virtual ~IDeckLinkOutput () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkInput - Created by QueryInterface from IDeckLink. */
+
+class IDeckLinkInput : public IUnknown
+{
+public:
+    virtual HRESULT DoesSupportVideoMode (/* in */ BMDDisplayMode displayMode, /* in */ BMDPixelFormat pixelFormat, /* in */ BMDVideoInputFlags flags, /* out */ BMDDisplayModeSupport *result, /* out */ IDeckLinkDisplayMode **resultDisplayMode) = 0;
+    virtual HRESULT GetDisplayModeIterator (/* out */ IDeckLinkDisplayModeIterator **iterator) = 0;
+
+    virtual HRESULT SetScreenPreviewCallback (/* in */ IDeckLinkScreenPreviewCallback *previewCallback) = 0;
+
+    /* Video Input */
+
+    virtual HRESULT EnableVideoInput (/* in */ BMDDisplayMode displayMode, /* in */ BMDPixelFormat pixelFormat, /* in */ BMDVideoInputFlags flags) = 0;
+    virtual HRESULT DisableVideoInput (void) = 0;
+    virtual HRESULT GetAvailableVideoFrameCount (/* out */ uint32_t *availableFrameCount) = 0;
+    virtual HRESULT SetVideoInputFrameMemoryAllocator (/* in */ IDeckLinkMemoryAllocator *theAllocator) = 0;
+
+    /* Audio Input */
+
+    virtual HRESULT EnableAudioInput (/* in */ BMDAudioSampleRate sampleRate, /* in */ BMDAudioSampleType sampleType, /* in */ uint32_t channelCount) = 0;
+    virtual HRESULT DisableAudioInput (void) = 0;
+    virtual HRESULT GetAvailableAudioSampleFrameCount (/* out */ uint32_t *availableSampleFrameCount) = 0;
+
+    /* Input Control */
+
+    virtual HRESULT StartStreams (void) = 0;
+    virtual HRESULT StopStreams (void) = 0;
+    virtual HRESULT PauseStreams (void) = 0;
+    virtual HRESULT FlushStreams (void) = 0;
+    virtual HRESULT SetCallback (/* in */ IDeckLinkInputCallback *theCallback) = 0;
+
+    /* Hardware Timing */
+
+    virtual HRESULT GetHardwareReferenceClock (/* in */ BMDTimeScale desiredTimeScale, /* out */ BMDTimeValue *hardwareTime, /* out */ BMDTimeValue *timeInFrame, /* out */ BMDTimeValue *ticksPerFrame) = 0;
+
+protected:
+    virtual ~IDeckLinkInput () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkVideoFrame - Interface to encapsulate a video frame; can be caller-implemented. */
+
+class IDeckLinkVideoFrame : public IUnknown
+{
+public:
+    virtual long GetWidth (void) = 0;
+    virtual long GetHeight (void) = 0;
+    virtual long GetRowBytes (void) = 0;
+    virtual BMDPixelFormat GetPixelFormat (void) = 0;
+    virtual BMDFrameFlags GetFlags (void) = 0;
+    virtual HRESULT GetBytes (/* out */ void **buffer) = 0;
+
+    virtual HRESULT GetTimecode (/* in */ BMDTimecodeFormat format, /* out */ IDeckLinkTimecode **timecode) = 0;
+    virtual HRESULT GetAncillaryData (/* out */ IDeckLinkVideoFrameAncillary **ancillary) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoFrame () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkMutableVideoFrame - Created by IDeckLinkOutput::CreateVideoFrame. */
+
+class IDeckLinkMutableVideoFrame : public IDeckLinkVideoFrame
+{
+public:
+    virtual HRESULT SetFlags (/* in */ BMDFrameFlags newFlags) = 0;
+
+    virtual HRESULT SetTimecode (/* in */ BMDTimecodeFormat format, /* in */ IDeckLinkTimecode *timecode) = 0;
+    virtual HRESULT SetTimecodeFromComponents (/* in */ BMDTimecodeFormat format, /* in */ uint8_t hours, /* in */ uint8_t minutes, /* in */ uint8_t seconds, /* in */ uint8_t frames, /* in */ BMDTimecodeFlags flags) = 0;
+    virtual HRESULT SetAncillaryData (/* in */ IDeckLinkVideoFrameAncillary *ancillary) = 0;
+    virtual HRESULT SetTimecodeUserBits (/* in */ BMDTimecodeFormat format, /* in */ BMDTimecodeUserBits userBits) = 0;
+
+protected:
+    virtual ~IDeckLinkMutableVideoFrame () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkVideoFrame3DExtensions - Optional interface implemented on IDeckLinkVideoFrame to support 3D frames */
+
+class IDeckLinkVideoFrame3DExtensions : public IUnknown
+{
+public:
+    virtual BMDVideo3DPackingFormat Get3DPackingFormat (void) = 0;
+    virtual HRESULT GetFrameForRightEye (/* out */ IDeckLinkVideoFrame* *rightEyeFrame) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoFrame3DExtensions () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkVideoInputFrame - Provided by the IDeckLinkVideoInput frame arrival callback. */
+
+class IDeckLinkVideoInputFrame : public IDeckLinkVideoFrame
+{
+public:
+    virtual HRESULT GetStreamTime (/* out */ BMDTimeValue *frameTime, /* out */ BMDTimeValue *frameDuration, /* in */ BMDTimeScale timeScale) = 0;
+    virtual HRESULT GetHardwareReferenceTimestamp (/* in */ BMDTimeScale timeScale, /* out */ BMDTimeValue *frameTime, /* out */ BMDTimeValue *frameDuration) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoInputFrame () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkVideoFrameAncillary - Obtained through QueryInterface() on an IDeckLinkVideoFrame object. */
+
+class IDeckLinkVideoFrameAncillary : public IUnknown
+{
+public:
+
+    virtual HRESULT GetBufferForVerticalBlankingLine (/* in */ uint32_t lineNumber, /* out */ void **buffer) = 0;
+    virtual BMDPixelFormat GetPixelFormat (void) = 0;
+    virtual BMDDisplayMode GetDisplayMode (void) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoFrameAncillary () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkAudioInputPacket - Provided by the IDeckLinkInput callback. */
+
+class IDeckLinkAudioInputPacket : public IUnknown
+{
+public:
+    virtual long GetSampleFrameCount (void) = 0;
+    virtual HRESULT GetBytes (/* out */ void **buffer) = 0;
+    virtual HRESULT GetPacketTime (/* out */ BMDTimeValue *packetTime, /* in */ BMDTimeScale timeScale) = 0;
+
+protected:
+    virtual ~IDeckLinkAudioInputPacket () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkScreenPreviewCallback - Screen preview callback */
+
+class IDeckLinkScreenPreviewCallback : public IUnknown
+{
+public:
+    virtual HRESULT DrawFrame (/* in */ IDeckLinkVideoFrame *theFrame) = 0;
+
+protected:
+    virtual ~IDeckLinkScreenPreviewCallback () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkCocoaScreenPreviewCallback - Screen preview callback for Cocoa-based applications */
+
+class IDeckLinkCocoaScreenPreviewCallback : public IDeckLinkScreenPreviewCallback
+{
+public:
+
+protected:
+    virtual ~IDeckLinkCocoaScreenPreviewCallback () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkGLScreenPreviewHelper - Created with CoCreateInstance(). */
+
+class IDeckLinkGLScreenPreviewHelper : public IUnknown
+{
+public:
+
+    /* Methods must be called with OpenGL context set */
+
+    virtual HRESULT InitializeGL (void) = 0;
+    virtual HRESULT PaintGL (void) = 0;
+    virtual HRESULT SetFrame (/* in */ IDeckLinkVideoFrame *theFrame) = 0;
+    virtual HRESULT Set3DPreviewFormat (/* in */ BMD3DPreviewFormat previewFormat) = 0;
+
+protected:
+    virtual ~IDeckLinkGLScreenPreviewHelper () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkNotificationCallback - DeckLink Notification Callback Interface */
+
+class IDeckLinkNotificationCallback : public IUnknown
+{
+public:
+    virtual HRESULT Notify (/* in */ BMDNotifications topic, /* in */ uint64_t param1, /* in */ uint64_t param2) = 0;
+};
+
+/* Interface IDeckLinkNotification - DeckLink Notification interface */
+
+class IDeckLinkNotification : public IUnknown
+{
+public:
+    virtual HRESULT Subscribe (/* in */ BMDNotifications topic, /* in */ IDeckLinkNotificationCallback *theCallback) = 0;
+    virtual HRESULT Unsubscribe (/* in */ BMDNotifications topic, /* in */ IDeckLinkNotificationCallback *theCallback) = 0;
+};
+
+/* Interface IDeckLinkAttributes - DeckLink Attribute interface */
+
+class IDeckLinkAttributes : public IUnknown
+{
+public:
+    virtual HRESULT GetFlag (/* in */ BMDDeckLinkAttributeID cfgID, /* out */ bool *value) = 0;
+    virtual HRESULT GetInt (/* in */ BMDDeckLinkAttributeID cfgID, /* out */ int64_t *value) = 0;
+    virtual HRESULT GetFloat (/* in */ BMDDeckLinkAttributeID cfgID, /* out */ double *value) = 0;
+    virtual HRESULT GetString (/* in */ BMDDeckLinkAttributeID cfgID, /* out */ CFStringRef *value) = 0;
+
+protected:
+    virtual ~IDeckLinkAttributes () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkKeyer - DeckLink Keyer interface */
+
+class IDeckLinkKeyer : public IUnknown
+{
+public:
+    virtual HRESULT Enable (/* in */ bool isExternal) = 0;
+    virtual HRESULT SetLevel (/* in */ uint8_t level) = 0;
+    virtual HRESULT RampUp (/* in */ uint32_t numberOfFrames) = 0;
+    virtual HRESULT RampDown (/* in */ uint32_t numberOfFrames) = 0;
+    virtual HRESULT Disable (void) = 0;
+
+protected:
+    virtual ~IDeckLinkKeyer () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkVideoConversion - Created with CoCreateInstance(). */
+
+class IDeckLinkVideoConversion : public IUnknown
+{
+public:
+    virtual HRESULT ConvertFrame (/* in */ IDeckLinkVideoFrame* srcFrame, /* in */ IDeckLinkVideoFrame* dstFrame) = 0;
+
+protected:
+    virtual ~IDeckLinkVideoConversion () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkDeviceNotificationCallback - DeckLink device arrival/removal notification callbacks */
+
+class IDeckLinkDeviceNotificationCallback : public IUnknown
+{
+public:
+    virtual HRESULT DeckLinkDeviceArrived (/* in */ IDeckLink* deckLinkDevice) = 0;
+    virtual HRESULT DeckLinkDeviceRemoved (/* in */ IDeckLink* deckLinkDevice) = 0;
+
+protected:
+    virtual ~IDeckLinkDeviceNotificationCallback () {}; // call Release method to drop reference count
+};
+
+/* Interface IDeckLinkDiscovery - DeckLink device discovery */
+
+class IDeckLinkDiscovery : public IUnknown
+{
+public:
+    virtual HRESULT InstallDeviceNotifications (/* in */ IDeckLinkDeviceNotificationCallback* deviceNotificationCallback) = 0;
+    virtual HRESULT UninstallDeviceNotifications (void) = 0;
+
+protected:
+    virtual ~IDeckLinkDiscovery () {}; // call Release method to drop reference count
+};
+
+/* Functions */
+
+extern "C" {
+
+    IDeckLinkIterator* CreateDeckLinkIteratorInstance (void);
+    IDeckLinkDiscovery* CreateDeckLinkDiscoveryInstance (void);
+    IDeckLinkAPIInformation* CreateDeckLinkAPIInformationInstance (void);
+    IDeckLinkGLScreenPreviewHelper* CreateOpenGLScreenPreviewHelper (void);
+    IDeckLinkCocoaScreenPreviewCallback* CreateCocoaScreenPreview (void* /* (NSView*) */ parentView);
+    IDeckLinkVideoConversion* CreateVideoConversionInstance (void);
+
+};
+
+
+#endif      // defined(__cplusplus)
+#endif /* defined(BMD_DECKLINKAPI_H) */