diff --git a/src/frameworks/AVFoundation/constants.m b/src/frameworks/AVFoundation/constants.m
index bce135acff..5cdb85ac4f 100644
--- a/src/frameworks/AVFoundation/constants.m
+++ b/src/frameworks/AVFoundation/constants.m
@@ -83,4 +83,5 @@
 const AVLayerVideoGravity AVLayerVideoGravityResizeAspectFill = @"AVLayerVideoGravityResizeAspectFill";
 
 const AVMediaType AVMediaTypeAudio = @"soun";
+const AVMediaType AVMediaTypeMuxed = @"muxx";
 const AVMediaType AVMediaTypeVideo = @"vide";
diff --git a/src/frameworks/AVFoundation/include/AVFoundation/AVMediaFormat.h b/src/frameworks/AVFoundation/include/AVFoundation/AVMediaFormat.h
index 8de20cd23a..d9788354c5 100644
--- a/src/frameworks/AVFoundation/include/AVFoundation/AVMediaFormat.h
+++ b/src/frameworks/AVFoundation/include/AVFoundation/AVMediaFormat.h
@@ -4,6 +4,7 @@ typedef NSString *AVMediaType;
 typedef NSString *AVFileType;
 
 extern const AVMediaType AVMediaTypeAudio;
+extern const AVMediaType AVMediaTypeMuxed;
 extern const AVMediaType AVMediaTypeVideo;
 
 extern const AVFileType AVFileTypeMPEG4;
diff --git a/src/frameworks/CoreMedia/include/CoreMedia/CoreMedia.h b/src/frameworks/CoreMedia/include/CoreMedia/CoreMedia.h
index 37c796a3a3..b8114a9b92 100644
--- a/src/frameworks/CoreMedia/include/CoreMedia/CoreMedia.h
+++ b/src/frameworks/CoreMedia/include/CoreMedia/CoreMedia.h
@@ -23,6 +23,22 @@
 
 
 #include <CoreMedia/CMTime.h>
+#include <CoreFoundation/CFBase.h>
+
+extern const CFStringRef kCMFormatDescriptionColorPrimaries_ITU_R_2020;
+extern const CFStringRef kCMFormatDescriptionColorPrimaries_DCI_P3;
+extern const CFStringRef kCMFormatDescriptionColorPrimaries_P3_D65;
+extern const CFStringRef kCMFormatDescriptionExtension_ContentLightLevelInfo;
+extern const CFStringRef kCMFormatDescriptionExtension_Depth;
+extern const CFStringRef kCMFormatDescriptionExtension_FormatName;
+extern const CFStringRef kCMFormatDescriptionExtension_FullRangeVideo;
+extern const CFStringRef kCMFormatDescriptionExtension_MasteringDisplayColorVolume;
+extern const CFStringRef kCMFormatDescriptionTransferFunction_ITU_R_2020;
+extern const CFStringRef kCMFormatDescriptionTransferFunction_ITU_R_2100_HLG;
+extern const CFStringRef kCMFormatDescriptionTransferFunction_SMPTE_ST_2084_PQ;
+extern const CFStringRef kCMFormatDescriptionTransferFunction_SMPTE_ST_428_1;
+extern const CFStringRef kCMFormatDescriptionYCbCrMatrix_ITU_R_2020;
+extern const CFStringRef kCMSampleAttachmentKey_IsDependedOnByOthers;
 
 void* AudioToolbox_AudioConverterDispose(void);
 void* AudioToolbox_AudioConverterGetProperty(void);
diff --git a/src/frameworks/CoreMedia/src/CoreMedia.c b/src/frameworks/CoreMedia/src/CoreMedia.c
index 3d76e81032..8602a326c8 100644
--- a/src/frameworks/CoreMedia/src/CoreMedia.c
+++ b/src/frameworks/CoreMedia/src/CoreMedia.c
@@ -23,8 +23,22 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+const CFStringRef kCMFormatDescriptionColorPrimaries_ITU_R_2020 = CFSTR("CMFormatDescriptionColorPrimaries_ITU_R_2020");
+const CFStringRef kCMFormatDescriptionColorPrimaries_DCI_P3 = CFSTR("CMFormatDescriptionColorPrimaries_DCI_P3");
+const CFStringRef kCMFormatDescriptionColorPrimaries_P3_D65 = CFSTR("CMFormatDescriptionColorPrimaries_P3_D65");
+const CFStringRef kCMFormatDescriptionExtension_ContentLightLevelInfo = CFSTR("CMFormatDescriptionExtension_ContentLightLevelInfo");
+const CFStringRef kCMFormatDescriptionExtension_Depth = CFSTR("CMFormatDescriptionExtension_Depth");
+const CFStringRef kCMFormatDescriptionExtension_FormatName = CFSTR("CMFormatDescriptionExtension_FormatName");
+const CFStringRef kCMFormatDescriptionExtension_FullRangeVideo = CFSTR("CMFormatDescriptionExtension_FullRangeVideo");
 const CFStringRef kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms = CFSTR("SampleDescriptionExtensionAtoms");
+const CFStringRef kCMFormatDescriptionExtension_MasteringDisplayColorVolume = CFSTR("CMFormatDescriptionExtension_MasteringDisplayColorVolume");
+const CFStringRef kCMFormatDescriptionTransferFunction_ITU_R_2020 = CFSTR("CMFormatDescriptionTransferFunction_ITU_R_2020");
+const CFStringRef kCMFormatDescriptionTransferFunction_ITU_R_2100_HLG = CFSTR("CMFormatDescriptionTransferFunction_ITU_R_2100_HLG");
+const CFStringRef kCMFormatDescriptionTransferFunction_SMPTE_ST_2084_PQ = CFSTR("CMFormatDescriptionTransferFunction_SMPTE_ST_2084_PQ");
+const CFStringRef kCMFormatDescriptionTransferFunction_SMPTE_ST_428_1 = CFSTR("CMFormatDescriptionTransferFunction_SMPTE_ST_428_1");
+const CFStringRef kCMFormatDescriptionYCbCrMatrix_ITU_R_2020 = CFSTR("CMFormatDescriptionYCbCrMatrix_ITU_R_2020");
 const CFStringRef kCMSampleAttachmentKey_NotSync = CFSTR("NotSync");
+const CFStringRef kCMSampleAttachmentKey_IsDependedOnByOthers = CFSTR("IsDependedOnByOthers");
 
 static int verbose = 0;
 
diff --git a/src/frameworks/CoreVideo/include/CoreVideo/CVImageBuffer.h b/src/frameworks/CoreVideo/include/CoreVideo/CVImageBuffer.h
index 7ef741010e..1422f86231 100644
--- a/src/frameworks/CoreVideo/include/CoreVideo/CVImageBuffer.h
+++ b/src/frameworks/CoreVideo/include/CoreVideo/CVImageBuffer.h
@@ -6,4 +6,25 @@
 
 typedef CVBufferRef CVImageBufferRef;
 
+extern const CFStringRef kCVImageBufferColorPrimaries_EBU_3213;
+extern const CFStringRef kCVImageBufferColorPrimaries_ITU_R_2020;
+extern const CFStringRef kCVImageBufferColorPrimaries_ITU_R_709_2;
+extern const CFStringRef kCVImageBufferColorPrimaries_SMPTE_C;
+extern const CFStringRef kCVImageBufferColorPrimariesKey;
+extern const CFStringRef kCVImageBufferGammaLevelKey;
+extern const CFStringRef kCVImageBufferTransferFunction_ITU_R_2020;
+extern const CFStringRef kCVImageBufferTransferFunction_ITU_R_2100_HLG;
+extern const CFStringRef kCVImageBufferTransferFunction_ITU_R_709_2;
+extern const CFStringRef kCVImageBufferTransferFunction_SMPTE_240M_1995;
+extern const CFStringRef kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
+extern const CFStringRef kCVImageBufferTransferFunction_SMPTE_ST_428_1;
+extern const CFStringRef kCVImageBufferTransferFunction_UseGamma;
+extern const CFStringRef kCVImageBufferTransferFunctionKey;
+extern const CFStringRef kCVImageBufferTransferFunction_sRGB;
+extern const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_2020;
+extern const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_601_4;
+extern const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_709_2;
+extern const CFStringRef kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
+extern const CFStringRef kCVImageBufferYCbCrMatrixKey;
+
 #endif // _COREVIDEO_CVIMAGEBUFFER_H_
diff --git a/src/frameworks/CoreVideo/src/constants.c b/src/frameworks/CoreVideo/src/constants.c
index 919f4e19fc..2fc7251131 100644
--- a/src/frameworks/CoreVideo/src/constants.c
+++ b/src/frameworks/CoreVideo/src/constants.c
@@ -3,6 +3,26 @@
 const CFStringRef kCVImageBufferChromaLocationBottomFieldKey = CFSTR("CVImageBufferChromaLocationBottomField");
 const CFStringRef kCVImageBufferChromaLocationTopFieldKey = CFSTR("CVImageBufferChromaLocationTopField");
 const CFStringRef kCVImageBufferChromaLocation_Left = CFSTR("Left");
+const CFStringRef kCVImageBufferColorPrimaries_EBU_3213 = CFSTR("CVImageBufferColorPrimaries_EBU_3213");
+const CFStringRef kCVImageBufferColorPrimaries_ITU_R_2020 = CFSTR("CVImageBufferColorPrimaries_ITU_R_2020");
+const CFStringRef kCVImageBufferColorPrimaries_ITU_R_709_2 = CFSTR("CVImageBufferColorPrimaries_ITU_R_709_2");
+const CFStringRef kCVImageBufferColorPrimaries_SMPTE_C = CFSTR("CVImageBufferColorPrimaries_SMPTE_C");
+const CFStringRef kCVImageBufferColorPrimariesKey = CFSTR("CVImageBufferColorPrimariesKey");
+const CFStringRef kCVImageBufferGammaLevelKey = CFSTR("CVImageBufferGammaLevelKey");
+const CFStringRef kCVImageBufferTransferFunctionKey = CFSTR("CVImageBufferTransferFunctionKey");
+const CFStringRef kCVImageBufferTransferFunction_sRGB = CFSTR("CVImageBufferTransferFunction_sRGB");
+const CFStringRef kCVImageBufferTransferFunction_ITU_R_2020 = CFSTR("CVImageBufferTransferFunction_ITU_R_2020");
+const CFStringRef kCVImageBufferTransferFunction_ITU_R_2100_HLG = CFSTR("CVImageBufferTransferFunction_ITU_R_2100_HLG");
+const CFStringRef kCVImageBufferTransferFunction_ITU_R_709_2 = CFSTR("CVImageBufferTransferFunction_ITU_R_709_2");
+const CFStringRef kCVImageBufferTransferFunction_SMPTE_240M_1995 = CFSTR("CVImageBufferTransferFunction_SMPTE_240M_1995");
+const CFStringRef kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ = CFSTR("CVImageBufferTransferFunction_SMPTE_ST_2084_PQ");
+const CFStringRef kCVImageBufferTransferFunction_SMPTE_ST_428_1 = CFSTR("CVImageBufferTransferFunction_SMPTE_ST_428_1");
+const CFStringRef kCVImageBufferTransferFunction_UseGamma = CFSTR("CVImageBufferTransferFunction_UseGamma");
+const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_2020 = CFSTR("CVImageBufferYCbCrMatrix_ITU_R_2020");
+const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_601_4 = CFSTR("CVImageBufferYCbCrMatrix_ITU_R_601_4");
+const CFStringRef kCVImageBufferYCbCrMatrix_ITU_R_709_2 = CFSTR("CVImageBufferYCbCrMatrix_ITU_R_709_2");
+const CFStringRef kCVImageBufferYCbCrMatrix_SMPTE_240M_1995 = CFSTR("CVImageBufferYCbCrMatrix_SMPTE_240M_1995");
+const CFStringRef kCVImageBufferYCbCrMatrixKey = CFSTR("CVImageBufferYCbCrMatrixKey");
 const CFStringRef kCVPixelBufferIOSurfacePropertiesKey = CFSTR("IOSurfaceProperties");
 const CFStringRef kCVPixelBufferOpenGLCompatibilityKey = CFSTR("OpenGLCompatibility");
 const CFStringRef kCVPixelBufferPixelFormatTypeKey = CFSTR("PixelFormatType");
diff --git a/src/frameworks/VideoToolbox/include/VideoToolbox/VideoToolbox.h b/src/frameworks/VideoToolbox/include/VideoToolbox/VideoToolbox.h
index faebfe496c..a5555aae13 100644
--- a/src/frameworks/VideoToolbox/include/VideoToolbox/VideoToolbox.h
+++ b/src/frameworks/VideoToolbox/include/VideoToolbox/VideoToolbox.h
@@ -22,9 +22,17 @@
 #define _VideoToolbox_H_
 
 #import <Foundation/Foundation.h>
-
+#import <CoreFoundation/CFBase.h>
 #import <VideoToolbox/FigMetalTransferHelper.h>
 
+extern const CFStringRef kVTCompressionPropertyKey_DataRateLimits;
+extern const CFStringRef kVTCompressionPropertyKey_ExpectedFrameRate;
+extern const CFStringRef kVTCompressionPropertyKey_MaxFrameDelayCount;
+extern const CFStringRef kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration;
+extern const CFStringRef kVTProfileLevel_H264_High_AutoLevel;
+extern const CFStringRef kVTVideoDecoderSpecification_RequireHardwareAcceleratedVideoDecoder;
+extern const CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder;
+
 void* COLOR_Y2R24(void);
 void* COLOR_Y2R32(void);
 void* COLOR_Y420uToUYVY_scalar(void);
diff --git a/src/frameworks/VideoToolbox/src/VideoToolbox.m b/src/frameworks/VideoToolbox/src/VideoToolbox.m
index 845b012a2a..2b4633bfc1 100644
--- a/src/frameworks/VideoToolbox/src/VideoToolbox.m
+++ b/src/frameworks/VideoToolbox/src/VideoToolbox.m
@@ -26,16 +26,23 @@
 
 const CFStringRef kVTCompressionPropertyKey_AllowFrameReordering = CFSTR("AllowFrameReordering");
 const CFStringRef kVTCompressionPropertyKey_AverageBitRate = CFSTR("AverageBitRate");
+const CFStringRef kVTCompressionPropertyKey_DataRateLimits = CFSTR("DataRateLimits");
+const CFStringRef kVTCompressionPropertyKey_ExpectedFrameRate = CFSTR("ExpectedFrameRate");
+const CFStringRef kVTCompressionPropertyKey_MaxFrameDelayCount = CFSTR("MaxFrameDelayCount");
 const CFStringRef kVTCompressionPropertyKey_MaxKeyFrameInterval = CFSTR("MaxKeyFrameInterval");
+const CFStringRef kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration = CFSTR("MaxKeyFrameIntervalDuration");
 const CFStringRef kVTCompressionPropertyKey_ProfileLevel = CFSTR("ProfileLevel");
 const CFStringRef kVTCompressionPropertyKey_RealTime = CFSTR("RealTime");
 const CFStringRef kVTCompressionPropertyKey_UsingHardwareAcceleratedVideoEncoder = CFSTR("UsingHardwareAcceleratedVideoEncoder");
 const CFStringRef kVTDecompressionPropertyKey_UsingHardwareAcceleratedVideoDecoder = CFSTR("UsingHardwareAcceleratedVideoDecoder");
 const CFStringRef kVTEncodeFrameOptionKey_ForceKeyFrame = CFSTR("ForceKeyFrame");
 const CFStringRef kVTProfileLevel_H264_Baseline_AutoLevel = CFSTR("AutoLevel");
+const CFStringRef kVTProfileLevel_H264_High_AutoLevel = CFSTR("AutoLevel");
 const CFStringRef kVTProfileLevel_H264_Main_AutoLevel = CFSTR("AutoLevel");
 const CFStringRef kVTVideoDecoderSpecification_EnableHardwareAcceleratedVideoDecoder = CFSTR("EnableHardwareAcceleratedVideoDecoder");
+const CFStringRef kVTVideoDecoderSpecification_RequireHardwareAcceleratedVideoDecoder = CFSTR("RequireHardwareAcceleratedVideoDecoder");
 const CFStringRef kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder = CFSTR("EnableHardwareAcceleratedVideoEncoder");
+const CFStringRef kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder = CFSTR("RequireHardwareAcceleratedVideoEncoder");
 const CFStringRef kVTPixelTransferPropertyKey_RealTime = CFSTR("RealTime");
 
 static int verbose = 0;