Varjo_types_datastream.h

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// Copyright 2019-2022 Varjo Technologies Oy. All rights reserved.
 
#ifndef VARJO_TYPES_DATASTREAM_H
#define VARJO_TYPES_DATASTREAM_H
 
#include "Varjo_types.h"
#include "Varjo_types_mr.h"
 
#if defined __cplusplus
extern "C" {
#endif
 
typedef uint64_t varjo_ChannelFlag;
static const varjo_ChannelFlag varjo_ChannelFlag_None = 0;         
static const varjo_ChannelFlag varjo_ChannelFlag_First = 1 << 0;   
static const varjo_ChannelFlag varjo_ChannelFlag_Second = 1 << 1;  
 
static const varjo_ChannelFlag varjo_ChannelFlag_Left = 1 << 0;   
static const varjo_ChannelFlag varjo_ChannelFlag_Right = 1 << 1;  
static const varjo_ChannelFlag varjo_ChannelFlag_All = ~0ull;     
 
typedef int64_t varjo_ChannelIndex;
static const varjo_ChannelIndex varjo_ChannelIndex_First = 0;   
static const varjo_ChannelIndex varjo_ChannelIndex_Second = 1;  
 
static const varjo_ChannelIndex varjo_ChannelIndex_Left = 0;   
static const varjo_ChannelIndex varjo_ChannelIndex_Right = 1;  
 
typedef int64_t varjo_IntrinsicsModel;
static const varjo_IntrinsicsModel varjo_IntrinsicsModel_Omnidir = 1;  
 
typedef int64_t varjo_BufferType;
static const varjo_BufferType varjo_BufferType_CPU = 1;  
static const varjo_BufferType varjo_BufferType_GPU = 2;  
 
typedef uint64_t varjo_DataFlag;
static const varjo_DataFlag varjo_DataFlag_Buffer = 1 << 0;
static const varjo_DataFlag varjo_DataFlag_Intrinsics = 1 << 1;
static const varjo_DataFlag varjo_DataFlag_Extrinsics = 1 << 2;
 
typedef int64_t varjo_StreamType;
 
static const varjo_StreamType varjo_StreamType_DistortedColor = 1;
 
static const varjo_StreamType varjo_StreamType_EnvironmentCubemap = 2;
 
static const varjo_StreamType varjo_StreamType_EyeCamera = 3;
 
typedef int64_t varjo_StreamId;
 
typedef int64_t varjo_BufferId;
 
static const int64_t varjo_InvalidId = -1;
 
struct varjo_StreamConfig {
    varjo_StreamId streamId;              
    varjo_ChannelFlag channelFlags;       
    varjo_StreamType streamType;          
    varjo_BufferType bufferType;          
    varjo_TextureFormat format;           
    struct varjo_Matrix streamTransform;  
    int32_t frameRate;                    
    int32_t width;                        
    int32_t height;                       
    int32_t rowStride;                    
};
 
struct varjo_CameraIntrinsics {
    varjo_IntrinsicsModel model;       
    double principalPointX;            
    double principalPointY;            
    double focalLengthX;               
    double focalLengthY;               
    double distortionCoefficients[6];  
};
 
struct varjo_BufferMetadata {
    varjo_TextureFormat format;  
    varjo_BufferType type;       
    int32_t byteSize;            
    int32_t rowStride;           
    int32_t width;               
    int32_t height;              
};
 
struct varjo_WBNormalizationData {
    double whiteBalanceColorGains[3];  
    struct varjo_Matrix3x3 invCCM;     
    struct varjo_Matrix3x3 ccm;        
};
 
struct varjo_DistortedColorFrameMetadata {
    varjo_Nanoseconds timestamp;                           
    double ev;                                             
    double exposureTime;                                   
    double whiteBalanceTemperature;                        
    struct varjo_WBNormalizationData wbNormalizationData;  
    double cameraCalibrationConstant;                      
};
 
struct varjo_EnvironmentCubemapFrameMetadata {
    varjo_Nanoseconds timestamp;                           
    varjo_EnvironmentCubemapMode mode;                     
    double whiteBalanceTemperature;                        
    double brightnessNormalizationGain;                    
    struct varjo_WBNormalizationData wbNormalizationData;  
};
 
struct varjo_EyeCameraFrameMetadata {
    varjo_Nanoseconds timestamp;  
    uint32_t glintMaskLeft;       
    uint32_t glintMaskRight;      
};
 
union varjo_StreamFrameMetadata {
    struct varjo_DistortedColorFrameMetadata distortedColor;
    struct varjo_EnvironmentCubemapFrameMetadata environmentCubemap;
    struct varjo_EyeCameraFrameMetadata eyeCamera;
    int64_t reserved[64];
};
 
struct varjo_StreamFrame {
    varjo_StreamType type;                     
    varjo_StreamId id;                         
    int64_t frameNumber;                       
    varjo_ChannelFlag channels;                
    varjo_DataFlag dataFlags;                  
    struct varjo_Matrix hmdPose;               
    union varjo_StreamFrameMetadata metadata;  
};
 
typedef void(varjo_FrameListener)(const struct varjo_StreamFrame* frame, struct varjo_Session* session, void* userData);
 
#if defined __cplusplus
}
#endif
#endif  // VARJO_TYPES_DATASTREAM_H