CoreMedia macOS xcode9 beta4

#CoreMedia.framework

diff -ruN /Applications/Xcode9-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMBase.h /Applications/Xcode9-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMBase.h
--- /Applications/Xcode9-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMBase.h	2017-06-30 23:41:41.000000000 -0400
+++ /Applications/Xcode9-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMBase.h	2017-07-17 22:28:03.000000000 -0400
@@ -151,7 +151,7 @@
 #endif
 
 #ifndef COREMEDIA_USE_ALIGNED_CMBASECLASS_VERSION
-#define COREMEDIA_USE_ALIGNED_CMBASECLASS_VERSION 0
+#define COREMEDIA_USE_ALIGNED_CMBASECLASS_VERSION 1
 #endif
 
 #if ! COREMEDIA_USE_ALIGNED_CMBASECLASS_VERSION
diff -ruN /Applications/Xcode9-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMFormatDescription.h /Applications/Xcode9-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMFormatDescription.h
--- /Applications/Xcode9-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMFormatDescription.h	2017-06-30 23:39:27.000000000 -0400
+++ /Applications/Xcode9-beta4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/CoreMedia.framework/Headers/CMFormatDescription.h	2017-07-18 00:20:33.000000000 -0400
@@ -931,7 +931,26 @@
 	CM_RETURNS_RETAINED_PARAMETER CMFormatDescriptionRef CM_NULLABLE * CM_NONNULL formatDescriptionOut )	/*! @param formatDescriptionOut
 																				 Returned newly-created video CMFormatDescription */
 							__OSX_AVAILABLE_STARTING(__MAC_10_13,__IPHONE_11_0);
-
+							
+CM_EXPORT
+OSStatus CMVideoFormatDescriptionCreateFromHEVCParameterSetsAndExtensions(
+	CFAllocatorRef CM_NULLABLE allocator,									/*! @param allocator
+																				 CFAllocator to be used when creating the CMFormatDescription. Pass NULL to use the default allocator. */
+	size_t parameterSetCount,												/*! @param parameterSetCount
+																				 The number of parameter sets to include in the format description. This parameter must be at least 3. */
+	const uint8_t * CM_NONNULL const * CM_NONNULL parameterSetPointers,		/*! @param parameterSetPointers
+																				 Points to a C array containing parameterSetCount pointers to parameter sets. */
+	const size_t * CM_NONNULL parameterSetSizes,							/*! @param parameterSetSizes
+																				 Points to a C array containing the size, in bytes, of each of the parameter sets. */
+	int NALUnitHeaderLength,												/*! @param NALUnitHeaderLength
+																				 Size, in bytes, of the NALUnitLength field in a HEVC video sample or HEVC parameter set sample. Pass 1, 2 or 4. */
+	CFDictionaryRef CM_NULLABLE extensions,									/*! @param extensions	Dictionary of extension key/value pairs. Keys are always CFStrings.
+																				Values are always property list objects (ie. CFData, CFString, CFArray,
+																				CFDictionary, CFDate, CFBoolean, or CFNumber). Can be NULL. */
+	CM_RETURNS_RETAINED_PARAMETER CMFormatDescriptionRef CM_NULLABLE * CM_NONNULL formatDescriptionOut )	/*! @param formatDescriptionOut
+																				 Returned newly-created video CMFormatDescription */
+							__OSX_AVAILABLE_STARTING(__MAC_10_13,__IPHONE_11_0);
+							
 CF_IMPLICIT_BRIDGING_ENABLED
 
 /*!