obs-studio/plugins/decklink/mac/decklink-sdk/DeckLinkAPI.h

/* -LICENSE-START-
** Copyright (c) 2018 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

#ifndef BMD_PUBLIC
	#define BMD_PUBLIC
#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_IDeckLinkEncoderInputCallback                = /* ACF13E61-F4A0-4974-A6A7-59AFF6268B31 */ {0xAC,0xF1,0x3E,0x61,0xF4,0xA0,0x49,0x74,0xA6,0xA7,0x59,0xAF,0xF6,0x26,0x8B,0x31};
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_IDeckLinkHDMIInputEDID                       = /* ABBBACBC-45BC-4665-9D92-ACE6E5A97902 */ {0xAB,0xBB,0xAC,0xBC,0x45,0xBC,0x46,0x65,0x9D,0x92,0xAC,0xE6,0xE5,0xA9,0x79,0x02};
BMD_CONST REFIID IID_IDeckLinkEncoderInput                        = /* 270587DA-6B7D-42E7-A1F0-6D853F581185 */ {0x27,0x05,0x87,0xDA,0x6B,0x7D,0x42,0xE7,0xA1,0xF0,0x6D,0x85,0x3F,0x58,0x11,0x85};
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_IDeckLinkVideoFrameMetadataExtensions        = /* D5973DC9-6432-46D0-8F0B-2496F8A1238F */ {0xD5,0x97,0x3D,0xC9,0x64,0x32,0x46,0xD0,0x8F,0x0B,0x24,0x96,0xF8,0xA1,0x23,0x8F};
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_IDeckLinkAncillaryPacket                     = /* CC5BBF7E-029C-4D3B-9158-6000EF5E3670 */ {0xCC,0x5B,0xBF,0x7E,0x02,0x9C,0x4D,0x3B,0x91,0x58,0x60,0x00,0xEF,0x5E,0x36,0x70};
BMD_CONST REFIID IID_IDeckLinkAncillaryPacketIterator             = /* 3FC8994B-88FB-4C17-968F-9AAB69D964A7 */ {0x3F,0xC8,0x99,0x4B,0x88,0xFB,0x4C,0x17,0x96,0x8F,0x9A,0xAB,0x69,0xD9,0x64,0xA7};
BMD_CONST REFIID IID_IDeckLinkVideoFrameAncillaryPackets          = /* 6C186C0F-459E-41D8-AEE2-4812D81AEE68 */ {0x6C,0x18,0x6C,0x0F,0x45,0x9E,0x41,0xD8,0xAE,0xE2,0x48,0x12,0xD8,0x1A,0xEE,0x68};
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_IDeckLinkEncoderPacket                       = /* B693F36C-316E-4AF1-B6C2-F389A4BCA620 */ {0xB6,0x93,0xF3,0x6C,0x31,0x6E,0x4A,0xF1,0xB6,0xC2,0xF3,0x89,0xA4,0xBC,0xA6,0x20};
BMD_CONST REFIID IID_IDeckLinkEncoderVideoPacket                  = /* 4E7FD944-E8C7-4EAC-B8C0-7B77F80F5AE0 */ {0x4E,0x7F,0xD9,0x44,0xE8,0xC7,0x4E,0xAC,0xB8,0xC0,0x7B,0x77,0xF8,0x0F,0x5A,0xE0};
BMD_CONST REFIID IID_IDeckLinkEncoderAudioPacket                  = /* 49E8EDC8-693B-4E14-8EF6-12C658F5A07A */ {0x49,0xE8,0xED,0xC8,0x69,0x3B,0x4E,0x14,0x8E,0xF6,0x12,0xC6,0x58,0xF5,0xA0,0x7A};
BMD_CONST REFIID IID_IDeckLinkH265NALPacket                       = /* 639C8E0B-68D5-4BDE-A6D4-95F3AEAFF2E7 */ {0x63,0x9C,0x8E,0x0B,0x68,0xD5,0x4B,0xDE,0xA6,0xD4,0x95,0xF3,0xAE,0xAF,0xF2,0xE7};
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_IDeckLinkStatus                              = /* 5F558200-4028-49BC-BEAC-DB3FA4A96E46 */ {0x5F,0x55,0x82,0x00,0x40,0x28,0x49,0xBC,0xBE,0xAC,0xDB,0x3F,0xA4,0xA9,0x6E,0x46};
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 BMDPacketType - Type of packet */

typedef uint32_t BMDPacketType;
enum _BMDPacketType {
    bmdPacketTypeStreamInterruptedMarker                         = 'sint',	// A packet of this type marks the time when a video stream was interrupted, for example by a disconnected cable
    bmdPacketTypeStreamData                                      = 'sdat'	// Regular stream data
};

/* Enum BMDFrameFlags - Frame flags */

typedef uint32_t BMDFrameFlags;
enum _BMDFrameFlags {
    bmdFrameFlagDefault                                          = 0,
    bmdFrameFlagFlipVertical                                     = 1 << 0,
    bmdFrameContainsHDRMetadata                                  = 1 << 1,
    bmdFrameContainsCintelMetadata                               = 1 << 2,

    /* Flags that are applicable only to instances of IDeckLinkVideoInputFrame */

    bmdFrameCapturedAsPsF                                        = 1 << 30,
    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,
    bmdDetectedVideoInputDualStream3D                            = 1 << 2
};

/* 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 {
    bmdDeckLinkCapturePassthroughModeDisabled                    = 'pdis',
    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 BMDAudioFormat - Audio Format */

typedef uint32_t BMDAudioFormat;
enum _BMDAudioFormat {
    bmdAudioFormatPCM                                            = 'lpcm'	// Linear signed PCM samples
};

/* 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 BMDAncillaryPacketFormat - Ancillary packet format */

typedef uint32_t BMDAncillaryPacketFormat;
enum _BMDAncillaryPacketFormat {
    bmdAncillaryPacketFormatUInt8                                = 'ui08',
    bmdAncillaryPacketFormatUInt16                               = 'ui16',
    bmdAncillaryPacketFormatYCbCr10                              = 'v210'
};

/* 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 9 for progressive or line 571 for interlaced/PsF)
    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 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'
};

/* Enum BMDVideoEncoderFrameCodingMode - Video frame coding mode */

typedef uint32_t BMDVideoEncoderFrameCodingMode;
enum _BMDVideoEncoderFrameCodingMode {
    bmdVideoEncoderFrameCodingModeInter                          = 'inte',
    bmdVideoEncoderFrameCodingModeIntra                          = 'intr'
};

/* Enum BMDDNxHRLevel - DNxHR Levels */

typedef uint32_t BMDDNxHRLevel;
enum _BMDDNxHRLevel {
    bmdDNxHRLevelSQ                                              = 'dnsq',
    bmdDNxHRLevelLB                                              = 'dnlb',
    bmdDNxHRLevelHQ                                              = 'dnhq',
    bmdDNxHRLevelHQX                                             = 'dhqx',
    bmdDNxHRLevel444                                             = 'd444'
};

/* Enum BMDLinkConfiguration - Video link configuration */

typedef uint32_t BMDLinkConfiguration;
enum _BMDLinkConfiguration {
    bmdLinkConfigurationSingleLink                               = 'lcsl',
    bmdLinkConfigurationDualLink                                 = 'lcdl',
    bmdLinkConfigurationQuadLink                                 = 'lcql'
};

/* Enum BMDDeviceInterface - Device interface type */

typedef uint32_t BMDDeviceInterface;
enum _BMDDeviceInterface {
    bmdDeviceInterfacePCI                                        = 'pci ',
    bmdDeviceInterfaceUSB                                        = 'usb ',
    bmdDeviceInterfaceThunderbolt                                = 'thun'
};

/* Enum BMDColorspace - Colorspace */

typedef uint32_t BMDColorspace;
enum _BMDColorspace {
    bmdColorspaceRec601                                          = 'r601',
    bmdColorspaceRec709                                          = 'r709',
    bmdColorspaceRec2020                                         = '2020'
};

/* Enum BMDDynamicRange - SDR or HDR */

typedef uint32_t BMDDynamicRange;
enum _BMDDynamicRange {
    bmdDynamicRangeSDR                                           = 0,
    bmdDynamicRangeHDRStaticPQ                                   = 1 << 29,	// SMPTE ST 2084
    bmdDynamicRangeHDRStaticHLG                                  = 1 << 30	// ITU-R BT.2100-0
};

/* Enum BMDDeckLinkHDMIInputEDIDID - DeckLink HDMI Input EDID ID */

typedef uint32_t BMDDeckLinkHDMIInputEDIDID;
enum _BMDDeckLinkHDMIInputEDIDID {
    bmdDeckLinkHDMIInputEDIDDynamicRange                         = 'HIDy'	// Parameter is of type BMDDynamicRange. Default is (bmdDynamicRangeSDR|bmdDynamicRangeHDRStaticPQ)
};

/* Enum BMDDeckLinkFrameMetadataID - DeckLink Frame Metadata ID */

typedef uint32_t BMDDeckLinkFrameMetadataID;
enum _BMDDeckLinkFrameMetadataID {
    bmdDeckLinkFrameMetadataColorspace                           = 'cspc',	// Colorspace of video frame (see BMDColorspace)
    bmdDeckLinkFrameMetadataHDRElectroOpticalTransferFunc        = 'eotf',	// EOTF in range 0-7 as per CEA 861.3
    bmdDeckLinkFrameMetadataCintelFilmType                       = 'cfty',	// Current film type
    bmdDeckLinkFrameMetadataCintelFilmGauge                      = 'cfga',	// Current film gauge
    bmdDeckLinkFrameMetadataCintelOffsetDetectedHorizontal       = 'odfh',	// Horizontal offset (pixels) detected in image
    bmdDeckLinkFrameMetadataCintelOffsetDetectedVertical         = 'odfv',	// Vertical offset (pixels) detected in image
    bmdDeckLinkFrameMetadataCintelKeykodeLow                     = 'ckkl',	// Raw keykode value - low 64 bits
    bmdDeckLinkFrameMetadataCintelKeykodeHigh                    = 'ckkh',	// Raw keykode value - high 64 bits
    bmdDeckLinkFrameMetadataCintelTile1Size                      = 'ct1s',	// Size in bytes of compressed raw tile 1
    bmdDeckLinkFrameMetadataCintelTile2Size                      = 'ct2s',	// Size in bytes of compressed raw tile 2
    bmdDeckLinkFrameMetadataCintelTile3Size                      = 'ct3s',	// Size in bytes of compressed raw tile 3
    bmdDeckLinkFrameMetadataCintelTile4Size                      = 'ct4s',	// Size in bytes of compressed raw tile 4
    bmdDeckLinkFrameMetadataCintelImageWidth                     = 'IWPx',	// Width in pixels of image
    bmdDeckLinkFrameMetadataCintelImageHeight                    = 'IHPx',	// Height in pixels of image
    bmdDeckLinkFrameMetadataCintelLinearMaskingRedInRed          = 'mrir',	// Red in red linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingGreenInRed        = 'mgir',	// Green in red linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingBlueInRed         = 'mbir',	// Blue in red linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingRedInGreen        = 'mrig',	// Red in green linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingGreenInGreen      = 'mgig',	// Green in green linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingBlueInGreen       = 'mbig',	// Blue in green linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingRedInBlue         = 'mrib',	// Red in blue linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingGreenInBlue       = 'mgib',	// Green in blue linear masking parameter
    bmdDeckLinkFrameMetadataCintelLinearMaskingBlueInBlue        = 'mbib',	// Blue in blue linear masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingRedInRed             = 'mlrr',	// Red in red log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingGreenInRed           = 'mlgr',	// Green in red log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingBlueInRed            = 'mlbr',	// Blue in red log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingRedInGreen           = 'mlrg',	// Red in green log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingGreenInGreen         = 'mlgg',	// Green in green log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingBlueInGreen          = 'mlbg',	// Blue in green log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingRedInBlue            = 'mlrb',	// Red in blue log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingGreenInBlue          = 'mlgb',	// Green in blue log masking parameter
    bmdDeckLinkFrameMetadataCintelLogMaskingBlueInBlue           = 'mlbb',	// Blue in blue log masking parameter
    bmdDeckLinkFrameMetadataCintelFilmFrameRate                  = 'cffr',	// Film frame rate
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesRedX              = 'hdrx',	// Red display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesRedY              = 'hdry',	// Red display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesGreenX            = 'hdgx',	// Green display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesGreenY            = 'hdgy',	// Green display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesBlueX             = 'hdbx',	// Blue display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRDisplayPrimariesBlueY             = 'hdby',	// Blue display primaries in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRWhitePointX                       = 'hdwx',	// White point in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRWhitePointY                       = 'hdwy',	// White point in range 0.0 - 1.0
    bmdDeckLinkFrameMetadataHDRMaxDisplayMasteringLuminance      = 'hdml',	// Max display mastering luminance in range 1 cd/m2 - 65535 cd/m2
    bmdDeckLinkFrameMetadataHDRMinDisplayMasteringLuminance      = 'hmil',	// Min display mastering luminance in range 0.0001 cd/m2 - 6.5535 cd/m2
    bmdDeckLinkFrameMetadataHDRMaximumContentLightLevel          = 'mcll',	// Maximum Content Light Level in range 1 cd/m2 - 65535 cd/m2
    bmdDeckLinkFrameMetadataHDRMaximumFrameAverageLightLevel     = 'fall',	// Maximum Frame Average Light Level in range 1 cd/m2 - 65535 cd/m2
    bmdDeckLinkFrameMetadataCintelOffsetToApplyHorizontal        = 'otah',	// Horizontal offset (pixels) to be applied to image
    bmdDeckLinkFrameMetadataCintelOffsetToApplyVertical          = 'otav',	// Vertical offset (pixels) to be applied to image
    bmdDeckLinkFrameMetadataCintelGainRed                        = 'LfRd',	// Red gain parameter to apply after log
    bmdDeckLinkFrameMetadataCintelGainGreen                      = 'LfGr',	// Green gain parameter to apply after log
    bmdDeckLinkFrameMetadataCintelGainBlue                       = 'LfBl',	// Blue gain parameter to apply after log
    bmdDeckLinkFrameMetadataCintelLiftRed                        = 'GnRd',	// Red lift parameter to apply after log and gain
    bmdDeckLinkFrameMetadataCintelLiftGreen                      = 'GnGr',	// Green lift parameter to apply after log and gain
    bmdDeckLinkFrameMetadataCintelLiftBlue                       = 'GnBl'	// Blue lift parameter to apply after log and gain
};

/* Enum BMDDuplexMode - Duplex for configurable ports */

typedef uint32_t BMDDuplexMode;
enum _BMDDuplexMode {
    bmdDuplexModeFull                                            = 'fdup',
    bmdDuplexModeHalf                                            = 'hdup'
};

/* 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',
    BMDDeckLinkSupportsClockTimingAdjustment                     = 'ctad',
    BMDDeckLinkSupportsFullDuplex                                = 'fdup',
    BMDDeckLinkSupportsFullFrameReferenceInputTimingOffset       = 'frin',
    BMDDeckLinkSupportsSMPTELevelAOutput                         = 'lvla',
    BMDDeckLinkSupportsDualLinkSDI                               = 'sdls',
    BMDDeckLinkSupportsQuadLinkSDI                               = 'sqls',
    BMDDeckLinkSupportsIdleOutput                                = 'idou',
    BMDDeckLinkHasLTCTimecodeInput                               = 'hltc',
    BMDDeckLinkSupportsDuplexModeConfiguration                   = 'dupx',
    BMDDeckLinkSupportsHDRMetadata                               = 'hdrm',
    BMDDeckLinkSupportsColorspaceMetadata                        = 'cmet',

    /* Integers */

    BMDDeckLinkMaximumAudioChannels                              = 'mach',
    BMDDeckLinkMaximumAnalogAudioInputChannels                   = 'iach',
    BMDDeckLinkMaximumAnalogAudioOutputChannels                  = 'aach',
    BMDDeckLinkNumberOfSubDevices                                = 'nsbd',
    BMDDeckLinkSubDeviceIndex                                    = 'subi',
    BMDDeckLinkPersistentID                                      = 'peid',
    BMDDeckLinkDeviceGroupID                                     = 'dgid',
    BMDDeckLinkTopologicalID                                     = 'toid',
    BMDDeckLinkVideoOutputConnections                            = 'vocn',	// Returns a BMDVideoConnection bit field
    BMDDeckLinkVideoInputConnections                             = 'vicn',	// Returns a BMDVideoConnection bit field
    BMDDeckLinkAudioOutputConnections                            = 'aocn',	// Returns a BMDAudioConnection bit field
    BMDDeckLinkAudioInputConnections                             = 'aicn',	// Returns a BMDAudioConnection bit field
    BMDDeckLinkVideoIOSupport                                    = 'vios',	// Returns a BMDVideoIOSupport bit field
    BMDDeckLinkDeckControlConnections                            = 'dccn',	// Returns a BMDDeckControlConnection bit field
    BMDDeckLinkDeviceInterface                                   = 'dbus',	// Returns a BMDDeviceInterface
    BMDDeckLinkAudioInputRCAChannelCount                         = 'airc',
    BMDDeckLinkAudioInputXLRChannelCount                         = 'aixc',
    BMDDeckLinkAudioOutputRCAChannelCount                        = 'aorc',
    BMDDeckLinkAudioOutputXLRChannelCount                        = 'aoxc',
    BMDDeckLinkPairedDevicePersistentID                          = 'ppid',

    /* Floats */

    BMDDeckLinkVideoInputGainMinimum                             = 'vigm',
    BMDDeckLinkVideoInputGainMaximum                             = 'vigx',
    BMDDeckLinkVideoOutputGainMinimum                            = 'vogm',
    BMDDeckLinkVideoOutputGainMaximum                            = 'vogx',
    BMDDeckLinkMicrophoneInputGainMinimum                        = 'migm',
    BMDDeckLinkMicrophoneInputGainMaximum                        = 'migx',

    /* Strings */

    BMDDeckLinkSerialPortDeviceName                              = 'slpn',
    BMDDeckLinkVendorName                                        = 'vndr',
    BMDDeckLinkDisplayName                                       = 'dspn',
    BMDDeckLinkModelName                                         = 'mdln',
    BMDDeckLinkDeviceHandle                                      = 'devh'
};

/* Enum BMDDeckLinkAPIInformationID - DeckLinkAPI information ID */

typedef uint32_t BMDDeckLinkAPIInformationID;
enum _BMDDeckLinkAPIInformationID {
    BMDDeckLinkAPIVersion                                        = 'vers'
};

/* Enum BMDDeckLinkStatusID - DeckLink Status ID */

typedef uint32_t BMDDeckLinkStatusID;
enum _BMDDeckLinkStatusID {

    /* Integers */

    bmdDeckLinkStatusDetectedVideoInputMode                      = 'dvim',
    bmdDeckLinkStatusDetectedVideoInputFlags                     = 'dvif',
    bmdDeckLinkStatusCurrentVideoInputMode                       = 'cvim',
    bmdDeckLinkStatusCurrentVideoInputPixelFormat                = 'cvip',
    bmdDeckLinkStatusCurrentVideoInputFlags                      = 'cvif',
    bmdDeckLinkStatusCurrentVideoOutputMode                      = 'cvom',
    bmdDeckLinkStatusCurrentVideoOutputFlags                     = 'cvof',
    bmdDeckLinkStatusPCIExpressLinkWidth                         = 'pwid',
    bmdDeckLinkStatusPCIExpressLinkSpeed                         = 'plnk',
    bmdDeckLinkStatusLastVideoOutputPixelFormat                  = 'opix',
    bmdDeckLinkStatusReferenceSignalMode                         = 'refm',
    bmdDeckLinkStatusReferenceSignalFlags                        = 'reff',
    bmdDeckLinkStatusDuplexMode                                  = 'dupx',
    bmdDeckLinkStatusBusy                                        = 'busy',
    bmdDeckLinkStatusInterchangeablePanelType                    = 'icpt',
    bmdDeckLinkStatusDeviceTemperature                           = 'dtmp',

    /* Flags */

    bmdDeckLinkStatusVideoInputSignalLocked                      = 'visl',
    bmdDeckLinkStatusReferenceSignalLocked                       = 'refl',
    bmdDeckLinkStatusReceivedEDID                                = 'edid'
};

/* Enum BMDDeckLinkVideoStatusFlags -  */

typedef uint32_t BMDDeckLinkVideoStatusFlags;
enum _BMDDeckLinkVideoStatusFlags {
    bmdDeckLinkVideoStatusPsF                                    = 1 << 0,
    bmdDeckLinkVideoStatusDualStream3D                           = 1 << 1
};

/* Enum BMDDuplexStatus - Duplex status of the device */

typedef uint32_t BMDDuplexStatus;
enum _BMDDuplexStatus {
    bmdDuplexStatusFullDuplex                                    = 'fdup',
    bmdDuplexStatusHalfDuplex                                    = 'hdup',
    bmdDuplexStatusSimplex                                       = 'splx',
    bmdDuplexStatusInactive                                      = 'inac'
};

/* Enum BMDPanelType - The type of interchangeable panel */

typedef uint32_t BMDPanelType;
enum _BMDPanelType {
    bmdPanelNotDetected                                          = 'npnl',
    bmdPanelTeranexMiniSmartPanel                                = 'tmsm'
};

/* 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',
    bmdStatusChanged                                             = 'stat'
};

#if defined(__cplusplus)

// Forward Declarations

class IDeckLinkVideoOutputCallback;
class IDeckLinkInputCallback;
class IDeckLinkEncoderInputCallback;
class IDeckLinkMemoryAllocator;
class IDeckLinkAudioOutputCallback;
class IDeckLinkIterator;
class IDeckLinkAPIInformation;
class IDeckLinkOutput;
class IDeckLinkInput;
class IDeckLinkHDMIInputEDID;
class IDeckLinkEncoderInput;
class IDeckLinkVideoFrame;
class IDeckLinkMutableVideoFrame;
class IDeckLinkVideoFrame3DExtensions;
class IDeckLinkVideoFrameMetadataExtensions;
class IDeckLinkVideoInputFrame;
class IDeckLinkAncillaryPacket;
class IDeckLinkAncillaryPacketIterator;
class IDeckLinkVideoFrameAncillaryPackets;
class IDeckLinkVideoFrameAncillary;
class IDeckLinkEncoderPacket;
class IDeckLinkEncoderVideoPacket;
class IDeckLinkEncoderAudioPacket;
class IDeckLinkH265NALPacket;
class IDeckLinkAudioInputPacket;
class IDeckLinkScreenPreviewCallback;
class IDeckLinkCocoaScreenPreviewCallback;
class IDeckLinkGLScreenPreviewHelper;
class IDeckLinkNotificationCallback;
class IDeckLinkNotification;
class IDeckLinkAttributes;
class IDeckLinkStatus;
class IDeckLinkKeyer;
class IDeckLinkVideoConversion;
class IDeckLinkDeviceNotificationCallback;
class IDeckLinkDiscovery;

/* Interface IDeckLinkVideoOutputCallback - Frame completion callback. */

class BMD_PUBLIC 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 BMD_PUBLIC 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 IDeckLinkEncoderInputCallback - Frame arrival callback. */

class BMD_PUBLIC IDeckLinkEncoderInputCallback : public IUnknown
{
public:
    virtual HRESULT VideoInputSignalChanged (/* in */ BMDVideoInputFormatChangedEvents notificationEvents, /* in */ IDeckLinkDisplayMode *newDisplayMode, /* in */ BMDDetectedVideoInputFormatFlags detectedSignalFlags) = 0;
    virtual HRESULT VideoPacketArrived (/* in */ IDeckLinkEncoderVideoPacket* videoPacket) = 0;
    virtual HRESULT AudioPacketArrived (/* in */ IDeckLinkEncoderAudioPacket* audioPacket) = 0;

protected:
    virtual ~IDeckLinkEncoderInputCallback () {} // call Release method to drop reference count
};

/* Interface IDeckLinkMemoryAllocator - Memory allocator for video frames. */

class BMD_PUBLIC 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 BMD_PUBLIC IDeckLinkAudioOutputCallback : public IUnknown
{
public:
    virtual HRESULT RenderAudioSamples (/* in */ bool preroll) = 0;
};

/* Interface IDeckLinkIterator - enumerates installed DeckLink hardware */

class BMD_PUBLIC IDeckLinkIterator : public IUnknown
{
public:
    virtual HRESULT Next (/* out */ IDeckLink **deckLinkInstance) = 0;
};

/* Interface IDeckLinkAPIInformation - DeckLinkAPI attribute interface */

class BMD_PUBLIC 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 BMD_PUBLIC 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; // Use of IDeckLinkVideoFrameAncillaryPackets is preferred

    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 BMD_PUBLIC 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 IDeckLinkHDMIInputEDID - Created by QueryInterface from IDeckLink. Releasing all references will restore EDID to default */

class BMD_PUBLIC IDeckLinkHDMIInputEDID : public IUnknown
{
public:
    virtual HRESULT SetInt (/* in */ BMDDeckLinkHDMIInputEDIDID cfgID, /* in */ int64_t value) = 0;
    virtual HRESULT GetInt (/* in */ BMDDeckLinkHDMIInputEDIDID cfgID, /* out */ int64_t *value) = 0;
    virtual HRESULT WriteToEDID (void) = 0;

protected:
    virtual ~IDeckLinkHDMIInputEDID () {} // call Release method to drop reference count
};

/* Interface IDeckLinkEncoderInput - Created by QueryInterface from IDeckLink. */

class BMD_PUBLIC IDeckLinkEncoderInput : 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;

    /* Video Input */

    virtual HRESULT EnableVideoInput (/* in */ BMDDisplayMode displayMode, /* in */ BMDPixelFormat pixelFormat, /* in */ BMDVideoInputFlags flags) = 0;
    virtual HRESULT DisableVideoInput (void) = 0;
    virtual HRESULT GetAvailablePacketsCount (/* out */ uint32_t *availablePacketsCount) = 0;
    virtual HRESULT SetMemoryAllocator (/* in */ IDeckLinkMemoryAllocator *theAllocator) = 0;

    /* Audio Input */

    virtual HRESULT EnableAudioInput (/* in */ BMDAudioFormat audioFormat, /* 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 */ IDeckLinkEncoderInputCallback *theCallback) = 0;

    /* Hardware Timing */

    virtual HRESULT GetHardwareReferenceClock (/* in */ BMDTimeScale desiredTimeScale, /* out */ BMDTimeValue *hardwareTime, /* out */ BMDTimeValue *timeInFrame, /* out */ BMDTimeValue *ticksPerFrame) = 0;

protected:
    virtual ~IDeckLinkEncoderInput () {} // call Release method to drop reference count
};

/* Interface IDeckLinkVideoFrame - Interface to encapsulate a video frame; can be caller-implemented. */

class BMD_PUBLIC 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; // Use of IDeckLinkVideoFrameAncillaryPackets is preferred

protected:
    virtual ~IDeckLinkVideoFrame () {} // call Release method to drop reference count
};

/* Interface IDeckLinkMutableVideoFrame - Created by IDeckLinkOutput::CreateVideoFrame. */

class BMD_PUBLIC 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 BMD_PUBLIC 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 IDeckLinkVideoFrameMetadataExtensions - Optional interface implemented on IDeckLinkVideoFrame to support frame metadata such as HDMI HDR information */

class BMD_PUBLIC IDeckLinkVideoFrameMetadataExtensions : public IUnknown
{
public:
    virtual HRESULT GetInt (/* in */ BMDDeckLinkFrameMetadataID metadataID, /* out */ int64_t *value) = 0;
    virtual HRESULT GetFloat (/* in */ BMDDeckLinkFrameMetadataID metadataID, /* out */ double *value) = 0;
    virtual HRESULT GetFlag (/* in */ BMDDeckLinkFrameMetadataID metadataID, /* out */ bool* value) = 0;
    virtual HRESULT GetString (/* in */ BMDDeckLinkFrameMetadataID metadataID, /* out */ CFStringRef *value) = 0;

protected:
    virtual ~IDeckLinkVideoFrameMetadataExtensions () {} // call Release method to drop reference count
};

/* Interface IDeckLinkVideoInputFrame - Provided by the IDeckLinkVideoInput frame arrival callback. */

class BMD_PUBLIC 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 IDeckLinkAncillaryPacket - On output, user needs to implement this interface */

class BMD_PUBLIC IDeckLinkAncillaryPacket : public IUnknown
{
public:

    virtual HRESULT GetBytes (/* in */ BMDAncillaryPacketFormat format /* For output, only one format need be offered */, /* out */ const void **data /* Optional */, /* out */ uint32_t *size /* Optional */) = 0;
    virtual uint8_t GetDID (void) = 0;
    virtual uint8_t GetSDID (void) = 0;
    virtual uint32_t GetLineNumber (void) = 0; // On output, zero is auto
    virtual uint8_t GetDataStreamIndex (void) = 0; // Usually zero. Can only be 1 if non-SD and the first data stream is completely full

protected:
    virtual ~IDeckLinkAncillaryPacket () {} // call Release method to drop reference count
};

/* Interface IDeckLinkAncillaryPacketIterator - Enumerates ancillary packets */

class BMD_PUBLIC IDeckLinkAncillaryPacketIterator : public IUnknown
{
public:
    virtual HRESULT Next (/* out */ IDeckLinkAncillaryPacket **packet) = 0;

protected:
    virtual ~IDeckLinkAncillaryPacketIterator () {} // call Release method to drop reference count
};

/* Interface IDeckLinkVideoFrameAncillaryPackets - Obtained through QueryInterface() on an IDeckLinkVideoFrame object. */

class BMD_PUBLIC IDeckLinkVideoFrameAncillaryPackets : public IUnknown
{
public:

    virtual HRESULT GetPacketIterator (/* out */ IDeckLinkAncillaryPacketIterator **iterator) = 0;
    virtual HRESULT GetFirstPacketByID (/* in */ uint8_t DID, /* in */ uint8_t SDID, /* out */ IDeckLinkAncillaryPacket **packet) = 0;
    virtual HRESULT AttachPacket (/* in */ IDeckLinkAncillaryPacket *packet) = 0; // Implement IDeckLinkAncillaryPacket to output your own
    virtual HRESULT DetachPacket (/* in */ IDeckLinkAncillaryPacket *packet) = 0;
    virtual HRESULT DetachAllPackets (void) = 0;

protected:
    virtual ~IDeckLinkVideoFrameAncillaryPackets () {} // call Release method to drop reference count
};

/* Interface IDeckLinkVideoFrameAncillary - Use of IDeckLinkVideoFrameAncillaryPackets is preferred. Obtained through QueryInterface() on an IDeckLinkVideoFrame object. */

class BMD_PUBLIC IDeckLinkVideoFrameAncillary : public IUnknown
{
public:

    virtual HRESULT GetBufferForVerticalBlankingLine (/* in */ uint32_t lineNumber, /* out */ void **buffer) = 0; // Pixels/rowbytes is same as display mode, except for above HD where it's 1920 pixels for UHD modes and 2048 pixels for DCI modes
    virtual BMDPixelFormat GetPixelFormat (void) = 0;
    virtual BMDDisplayMode GetDisplayMode (void) = 0;

protected:
    virtual ~IDeckLinkVideoFrameAncillary () {} // call Release method to drop reference count
};

/* Interface IDeckLinkEncoderPacket - Interface to encapsulate an encoded packet. */

class BMD_PUBLIC IDeckLinkEncoderPacket : public IUnknown
{
public:
    virtual HRESULT GetBytes (/* out */ void **buffer) = 0;
    virtual long GetSize (void) = 0;
    virtual HRESULT GetStreamTime (/* out */ BMDTimeValue *frameTime, /* in */ BMDTimeScale timeScale) = 0;
    virtual BMDPacketType GetPacketType (void) = 0;

protected:
    virtual ~IDeckLinkEncoderPacket () {} // call Release method to drop reference count
};

/* Interface IDeckLinkEncoderVideoPacket - Provided by the IDeckLinkEncoderInput video packet arrival callback. */

class BMD_PUBLIC IDeckLinkEncoderVideoPacket : public IDeckLinkEncoderPacket
{
public:
    virtual BMDPixelFormat GetPixelFormat (void) = 0;
    virtual HRESULT GetHardwareReferenceTimestamp (/* in */ BMDTimeScale timeScale, /* out */ BMDTimeValue *frameTime, /* out */ BMDTimeValue *frameDuration) = 0;

    virtual HRESULT GetTimecode (/* in */ BMDTimecodeFormat format, /* out */ IDeckLinkTimecode **timecode) = 0;

protected:
    virtual ~IDeckLinkEncoderVideoPacket () {} // call Release method to drop reference count
};

/* Interface IDeckLinkEncoderAudioPacket - Provided by the IDeckLinkEncoderInput audio packet arrival callback. */

class BMD_PUBLIC IDeckLinkEncoderAudioPacket : public IDeckLinkEncoderPacket
{
public:
    virtual BMDAudioFormat GetAudioFormat (void) = 0;

protected:
    virtual ~IDeckLinkEncoderAudioPacket () {} // call Release method to drop reference count
};

/* Interface IDeckLinkH265NALPacket - Obtained through QueryInterface() on an IDeckLinkEncoderVideoPacket object */

class BMD_PUBLIC IDeckLinkH265NALPacket : public IDeckLinkEncoderVideoPacket
{
public:
    virtual HRESULT GetUnitType (/* out */ uint8_t *unitType) = 0;
    virtual HRESULT GetBytesNoPrefix (/* out */ void **buffer) = 0;
    virtual long GetSizeNoPrefix (void) = 0;

protected:
    virtual ~IDeckLinkH265NALPacket () {} // call Release method to drop reference count
};

/* Interface IDeckLinkAudioInputPacket - Provided by the IDeckLinkInput callback. */

class BMD_PUBLIC 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 BMD_PUBLIC 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 BMD_PUBLIC IDeckLinkCocoaScreenPreviewCallback : public IDeckLinkScreenPreviewCallback
{
public:

protected:
    virtual ~IDeckLinkCocoaScreenPreviewCallback () {} // call Release method to drop reference count
};

/* Interface IDeckLinkGLScreenPreviewHelper - Created with CoCreateInstance(). */

class BMD_PUBLIC 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 BMD_PUBLIC 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 BMD_PUBLIC 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 BMD_PUBLIC 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 IDeckLinkStatus - DeckLink Status interface */

class BMD_PUBLIC IDeckLinkStatus : public IUnknown
{
public:
    virtual HRESULT GetFlag (/* in */ BMDDeckLinkStatusID statusID, /* out */ bool *value) = 0;
    virtual HRESULT GetInt (/* in */ BMDDeckLinkStatusID statusID, /* out */ int64_t *value) = 0;
    virtual HRESULT GetFloat (/* in */ BMDDeckLinkStatusID statusID, /* out */ double *value) = 0;
    virtual HRESULT GetString (/* in */ BMDDeckLinkStatusID statusID, /* out */ CFStringRef *value) = 0;
    virtual HRESULT GetBytes (/* in */ BMDDeckLinkStatusID statusID, /* out */ void *buffer, /* in, out */ uint32_t *bufferSize) = 0;

protected:
    virtual ~IDeckLinkStatus () {} // call Release method to drop reference count
};

/* Interface IDeckLinkKeyer - DeckLink Keyer interface */

class BMD_PUBLIC 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 BMD_PUBLIC 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 BMD_PUBLIC 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 BMD_PUBLIC 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* BMD_PUBLIC CreateDeckLinkIteratorInstance (void);
    IDeckLinkDiscovery* BMD_PUBLIC CreateDeckLinkDiscoveryInstance (void);
    IDeckLinkAPIInformation* BMD_PUBLIC CreateDeckLinkAPIInformationInstance (void);
    IDeckLinkGLScreenPreviewHelper* BMD_PUBLIC CreateOpenGLScreenPreviewHelper (void);
    IDeckLinkCocoaScreenPreviewCallback* BMD_PUBLIC CreateCocoaScreenPreview (void* /* (NSView*) */ parentView);
    IDeckLinkVideoConversion* BMD_PUBLIC CreateVideoConversionInstance (void);
    IDeckLinkVideoFrameAncillaryPackets* BMD_PUBLIC CreateVideoFrameAncillaryPacketsInstance (void); // For use when creating a custom IDeckLinkVideoFrame without wrapping IDeckLinkOutput::CreateVideoFrame

}


#endif      // defined(__cplusplus)
#endif /* defined(BMD_DECKLINKAPI_H) */