CoreVideo macOS xcode16.0 b4

#CoreVideo.framework https://github.com/xamarin/xamarin-macios/pull/21163

diff -ruN /Applications/Xcode_16.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h /Applications/Xcode_16.0.0-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h
--- /Applications/Xcode_16.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2024-06-25 16:22:18
+++ /Applications/Xcode_16.0.0-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2024-07-11 02:45:55
@@ -123,7 +123,13 @@
 
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAlphaChannelModeKey API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0)) API_UNAVAILABLE(watchos);
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAlphaChannelMode_StraightAlpha API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0)) API_UNAVAILABLE(watchos);
-CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAlphaChannelMode_PremultipliedAlpha API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0)) API_UNAVAILABLE(watchos);	
+CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAlphaChannelMode_PremultipliedAlpha API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0)) API_UNAVAILABLE(watchos);
+
+// Used to attach processing metadata to buffers transferred between video decoders and RAW processors.
+// Sequence metadata is expected to be invariant over the entire movie, while frame metadata can vary with each frame.
+CV_EXPORT const CFStringRef kCVImageBufferPostDecodeProcessingSequenceMetadataKey API_AVAILABLE(macos(15.0)) API_UNAVAILABLE(ios, watchos, tvos, visionos);	// CFDictionary
+CV_EXPORT const CFStringRef kCVImageBufferPostDecodeProcessingFrameMetadataKey API_AVAILABLE(macos(15.0)) API_UNAVAILABLE(ios, watchos, tvos, visionos);	// CFDictionary
+
 
 // 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));