CoreVideo tvOS xcode9 beta2

#CoreVideo.framework

diff -ruN /Applications/Xcode9-beta1.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h /Applications/Xcode9-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h
--- /Applications/Xcode9-beta1.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2017-05-20 01:58:15.000000000 -0400
+++ /Applications/Xcode9-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2017-06-09 18:46:44.000000000 -0400
@@ -85,6 +85,7 @@
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_UseGamma __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0);
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_EBU_3213 __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5,__MAC_10_6,__IPHONE_NA,__IPHONE_NA);			// Should not be used.
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_SMPTE_C __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5,__MAC_10_6,__IPHONE_NA,__IPHONE_NA);			// Should not be used.
+CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_sRGB __OSX_AVAILABLE_STARTING(__MAC_10_13,__IPHONE_11_0);			// IEC 61966-2-1 sRGB or sYCC
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_ITU_R_2020 __OSX_AVAILABLE_STARTING(__MAC_10_11,__IPHONE_9_0); // note: kCVImageBufferTransferFunction_ITU_R_709_2 is equivalent, and preferred
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_SMPTE_ST_428_1 __OSX_AVAILABLE_STARTING(__MAC_10_12,__IPHONE_10_0);
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ __OSX_AVAILABLE_STARTING(__MAC_10_13,__IPHONE_11_0);
@@ -110,7 +111,21 @@
 
 // Can be set to kCFBooleanTrue as a hint that the alpha channel is fully opaque.  Not used if the pixel format type has no alpha channel.
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAlphaChannelIsOpaque __OSX_AVAILABLE_STARTING(__MAC_10_10,__IPHONE_8_0);
-	
+
+// Returns the standard integer code point corresponding to a given CoreVideo YCbCrMatrix constant string (in the kCVImageBufferYCbCrMatrix_... family).  Returns 2 (the code point for "unknown") if the string is NULL or not recognized.
+CV_EXPORT int CVYCbCrMatrixGetIntegerCodePointForString( CV_NULLABLE CFStringRef yCbCrMatrixString ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+// Returns the standard integer code point corresponding to a given CoreVideo ColorPrimaries constant string (in the kCVImageBufferColorPrimaries_... family).  Returns 2 (the code point for "unknown") if the string is NULL or not recognized.
+CV_EXPORT int CVColorPrimariesGetIntegerCodePointForString( CV_NULLABLE CFStringRef colorPrimariesString ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+// Returns the standard integer code point corresponding to a given CoreVideo TransferFunction constant string (in the kCVImageBufferTransferFunction_... family).  Returns 2 (the code point for "unknown") if the string is NULL or not recognized.
+CV_EXPORT int CVTransferFunctionGetIntegerCodePointForString( CV_NULLABLE CFStringRef transferFunctionString ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+
+// Returns the CoreVideo YCbCrMatrix constant string (in the kCVImageBufferYCbCrMatrix_... family) corresponding to a given standard integer code point.  Returns NULL if the code point is not recognized, or if it is 2 (the code point for "unknown").
+CV_EXPORT CV_NULLABLE CFStringRef CVYCbCrMatrixGetStringForIntegerCodePoint( int yCbCrMatrixCodePoint ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+// Returns the CoreVideo ColorPrimaries constant string (in the kCVImageBufferColorPrimaries_... family) corresponding to a given standard integer code point.  Returns NULL if the code point is not recognized, or if it is 2 (the code point for "unknown").
+CV_EXPORT CV_NULLABLE CFStringRef CVColorPrimariesGetStringForIntegerCodePoint( int colorPrimariesCodePoint ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+// Returns the CoreVideo TransferFunction constant string (in the kCVImageBufferTransferFunction_... family) corresponding to a given standard integer code point.  Returns NULL if the code point is not recognized, or if it is 2 (the code point for "unknown").
+CV_EXPORT CV_NULLABLE CFStringRef CVTransferFunctionGetStringForIntegerCodePoint( int transferFunctionCodePoint ) API_AVAILABLE(macosx(10.13), ios(11.0), tvos(11.0), watchos(4.0));
+
 #pragma mark CVImageBufferRef
 
 /*!