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FluorescentCIAAfricanAmerican
2020-04-22 12:56:21 -04:00
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common/quicktime_win32/CVImageBuffer.h
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/*
* CVImageBuffer.h
* CoreVideo
*
* Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
*
*/
/*! @header CVImageBuffer.h
@copyright 2004 Apple Computer, Inc. All rights reserved.
@availability Mac OS X 10.4 or later
@discussion CVImageBufferRef types are abstract and define various attachments and convenience
calls for retreiving image related bits of data.
*/
#if !defined(__COREVIDEO_CVIMAGEBUFFER_H__)
#define __COREVIDEO_CVIMAGEBUFFER_H__ 1
#include <TargetConditionals.h>
#if TARGET_OS_MAC
#include <ApplicationServices/ApplicationServices.h>
#include <QuartzCore/CVBuffer.h>
#else
#pragma warning (disable: 4068) // ignore unknown pragmas
#include <CVBuffer.h>
#include <CGGeometry.h>
#endif
#if defined(__cplusplus)
extern "C" {
#endif
#pragma mark CVImageBufferRef attachment keys
#if TARGET_OS_MAC
CV_EXPORT const CFStringRef kCVImageBufferCGColorSpaceKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CGColorSpaceRef
CV_EXPORT const CFStringRef kCVImageBufferCleanApertureKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFDictionary containing the following four keys
CV_EXPORT const CFStringRef kCVImageBufferCleanApertureWidthKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferCleanApertureHeightKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferCleanApertureHorizontalOffsetKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferCleanApertureVerticalOffsetKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferPreferredCleanApertureKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFDictionary containing same keys as kCVImageBufferCleanApertureKey
CV_EXPORT const CFStringRef kCVImageBufferFieldCountKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferFieldDetailKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString with one of the following four values
CV_EXPORT const CFStringRef kCVImageBufferFieldDetailTemporalTopFirst AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferFieldDetailTemporalBottomFirst AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferFieldDetailSpatialFirstLineEarly AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferFieldDetailSpatialFirstLineLate AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferPixelAspectRatioKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFDictionary with the following two keys
CV_EXPORT const CFStringRef kCVImageBufferPixelAspectRatioHorizontalSpacingKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferPixelAspectRatioVerticalSpacingKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferDisplayDimensionsKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFDictionary with the following two keys
CV_EXPORT const CFStringRef kCVImageBufferDisplayWidthKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferDisplayHeightKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber
CV_EXPORT const CFStringRef kCVImageBufferGammaLevelKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFNumber describing the gamma level
CV_EXPORT const CFStringRef kCVImageBufferYCbCrMatrixKey AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString describing the color matrix for YCbCr->RGB. This key can be one of the following values:
CV_EXPORT const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_709_2 AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_601_4 AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
CV_EXPORT const CFStringRef kCVImageBufferYCbCrMatrix_SMPTE_240M_1995 AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER; // CFString
#else
#define kCVImageBufferCGColorSpaceKey CFSTR("CGColorSpace")
#define kCVImageBufferCleanApertureKey CFSTR("CVCleanAperture")
#define kCVImageBufferCleanApertureWidthKey CFSTR("Width")
#define kCVImageBufferCleanApertureHeightKey CFSTR("Height")
#define kCVImageBufferCleanApertureHorizontalOffsetKey CFSTR("HorizontalOffset")
#define kCVImageBufferCleanApertureVerticalOffsetKey CFSTR("VerticalOffset")
#define kCVImageBufferPreferredCleanApertureKey CFSTR("CVPreferredCleanAperture")
#define kCVImageBufferFieldCountKey CFSTR("CVFieldCount")
#define kCVImageBufferFieldDetailKey CFSTR("CVFieldDetail")
#define kCVImageBufferFieldDetailTemporalTopFirst CFSTR("TemporalTopFirst")
#define kCVImageBufferFieldDetailTemporalBottomFirst CFSTR("TemporalBottomFirst")
#define kCVImageBufferFieldDetailSpatialFirstLineEarly CFSTR("SpatialFirstLineEarly")
#define kCVImageBufferFieldDetailSpatialFirstLineLate CFSTR("SpatialFirstLineLate")
#define kCVImageBufferPixelAspectRatioKey CFSTR("CVPixelAspectRatio")
#define kCVImageBufferPixelAspectRatioHorizontalSpacingKey CFSTR("HorizontalSpacing")
#define kCVImageBufferPixelAspectRatioVerticalSpacingKey CFSTR("VerticalSpacing")
#define kCVImageBufferDisplayDimensionsKey CFSTR("CVDisplayDimensions")
#define kCVImageBufferDisplayWidthKey CFSTR("Width")
#define kCVImageBufferDisplayHeightKey CFSTR("Height")
#define kCVImageBufferGammaLevelKey CFSTR("CVImageBufferGammaLevel")
#define kCVImageBufferYCbCrMatrixKey CFSTR("CVImageBufferYCbCrMatrix")
#define kCVImageBufferYCbCrMatrix_ITU_R_709_2 CFSTR("CVImageBufferYCbCrMatrix_ITU_R_709_2")
#define kCVImageBufferYCbCrMatrix_ITU_R_601_4 CFSTR("CVImageBufferYCbCrMatrix_ITU_R_601_4")
#define kCVImageBufferYCbCrMatrix_SMPTE_240M_1995 CFSTR("CVImageBufferYCbCrMatrix_SMPTE_240M_1995")
#endif
#pragma mark CVImageBufferRef
/*!
@typedef CVImageBufferRef
@abstract Base type for all CoreVideo image buffers
*/
typedef CVBufferRef CVImageBufferRef;
/*!
@function CVImageBufferGetEncodedSize
@abstract Returns the full encoded dimensions of a CVImageBuffer. For example, for an NTSC DV frame this would be 720x480
@discussion Note: When creating a CIImage from a CVImageBuffer, this is the call you should use for retrieving the image size.
@param imageBuffer A CVImageBuffer that you wish to retrieve the encoded size from.
@result A CGSize returning the full encoded size of the buffer
Returns zero size if called with a non-CVImageBufferRef type or NULL.
*/
CV_EXPORT CGSize CVImageBufferGetEncodedSize(CVImageBufferRef imageBuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
/*!
@function CVImageBufferGetDisplaySize
@abstract Returns the nominal output display size (in square pixels) of a CVImageBuffer.
For example, for an NTSC DV frame this would be 640x480
@param imageBuffer A CVImageBuffer that you wish to retrieve the display size from.
@result A CGSize returning the nominal display size of the buffer
Returns zero size if called with a non-CVImageBufferRef type or NULL.
*/
CV_EXPORT CGSize CVImageBufferGetDisplaySize(CVImageBufferRef imageBuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
/*!
@function CVImageBufferGetCleanRect
@abstract Returns the source rectangle of a CVImageBuffer that represents the clean aperture
of the buffer in encoded pixels. For example, an NTSC DV frame would return a CGRect with an
origin of 8,0 and a size of 704,480.
Note that the origin of this rect always the lower left corner. This is the same coordinate system as
used by CoreImage.
@param imageBuffer A CVImageBuffer that you wish to retrieve the display size from.
@result A CGSize returning the nominal display size of the buffer
Returns zero rect if called with a non-CVImageBufferRef type or NULL.
*/
CV_EXPORT CGRect CVImageBufferGetCleanRect(CVImageBufferRef imageBuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
#if TARGET_OS_MAC
/*!
@function CVImageBufferGetColorSpace
@abstract Returns the color space of a CVImageBuffer.
@param imageBuffer A CVImageBuffer that you wish to retrieve the color space from.
@result A CGColorSpaceRef representing the color space of the buffer.
Returns NULL if called with a non-CVImageBufferRef type or NULL.
*/
CV_EXPORT CGColorSpaceRef CVImageBufferGetColorSpace(CVImageBufferRef imageBuffer) AVAILABLE_MAC_OS_X_VERSION_10_4_AND_LATER;
#endif
#if defined(__cplusplus)
}
#endif
#endif