[webkit-changes] [261521] branches/safari-609-branch/Source

Mon, 11 May 2020 17:23:01 -0700

Title: [261521] branches/safari-609-branch/Source
Revision
261521
Author
alanc...@apple.com
Date
2020-05-11 17:22:00 -0700 (Mon, 11 May 2020)

Log Message

Cherry-pick r260832. rdar://problem/62978877

    [Mac] Adopt kMTSupportNotification_ShouldPlayHDRVideoChanged notification
    https://bugs.webkit.org/show_bug.cgi?id=211028

    Reviewed by Eric Carlson.

    Source/WebCore/PAL:

    Make MediaToolboxSoftLink fully exported from PAL.

    * pal/cf/CoreMediaSoftLink.cpp:
    * pal/cocoa/MediaToolboxSoftLink.cpp:
    * pal/cocoa/MediaToolboxSoftLink.h:

    Source/WebKit:

    Adopt a new notification which signals that the receiver should re-query for HDR support.

    * UIProcess/Cocoa/WebProcessPoolCocoa.mm:
    (WebKit::webProcessPoolHighDynamicRangeDidChangeCallback):
    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
    * UIProcess/WebProcessPool.cpp:
    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
    (WebKit::WebProcessPool::initializeNewWebProcess):
    * UIProcess/WebProcessPool.h:

    git-svn-id: https://svn.webkit.org/repository/webkit/trunk@260832 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Modified Paths

Diff

Modified: branches/safari-609-branch/Source/WTF/wtf/win/SoftLinking.h (261520 => 261521)


--- branches/safari-609-branch/Source/WTF/wtf/win/SoftLinking.h	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WTF/wtf/win/SoftLinking.h	2020-05-12 00:22:00 UTC (rev 261521)
@@ -167,10 +167,10 @@
     } \
     }
 
-#define SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, suffix) \
+#define SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, suffix, export) \
     namespace functionNamespace { \
-    HMODULE framework##Library(bool isOptional = false); \
-    HMODULE framework##Library(bool isOptional) \
+    export HMODULE framework##Library(bool isOptional = false); \
+    export HMODULE framework##Library(bool isOptional) \
     { \
         static HMODULE library = LoadLibraryW(L###framework suffix); \
         ASSERT_WITH_MESSAGE_UNUSED(isOptional, isOptional || library, "Could not load %s", L###framework suffix); \
@@ -178,15 +178,19 @@
     } \
     }
 
-#define SOFT_LINK_FRAMEWORK(functionNamespace, framework) SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, L".dll")
-#define SOFT_LINK_DEBUG_FRAMEWORK(functionNamespace, framework) SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, L"_debug.dll")
+#define SOFT_LINK_FRAMEWORK(functionNamespace, framework) SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, L".dll", )
+#define SOFT_LINK_DEBUG_FRAMEWORK(functionNamespace, framework) SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, L"_debug.dll", )
 
 #ifdef DEBUG_ALL
 #define SOFT_LINK_FRAMEWORK_FOR_SOURCE(functionNamespace, framework) SOFT_LINK_DEBUG_FRAMEWORK(functionNamespace, framework)
+#define SOFT_LINK_FRAMEWORK_FOR_SOURCE_WITH_EXPORT(functionNamespace, framework, export) SOFT_LINK_DEBUG_FRAMEWORK_HELPER(functionNamespace, framework, L".dll", export)
 #else
 #define SOFT_LINK_FRAMEWORK_FOR_SOURCE(functionNamespace, framework) SOFT_LINK_FRAMEWORK(functionNamespace, framework)
+#define SOFT_LINK_FRAMEWORK_FOR_SOURCE_WITH_EXPORT(functionNamespace, framework, export) SOFT_LINK_FRAMEWORK_HELPER(functionNamespace, framework, L"_debug.dll", export)
 #endif
 
+
+
 #define SOFT_LINK_CONSTANT_FOR_HEADER(functionNamespace, framework, variableName, variableType) \
     namespace functionNamespace { \
     variableType get_##framework##_##variableName(); \
@@ -253,10 +257,10 @@
     } \
     }
 
-#define SOFT_LINK_FUNCTION_FOR_SOURCE(functionNamespace, framework, functionName, resultType, parameterDeclarations, parameterNames) \
+#define SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(functionNamespace, framework, functionName, resultType, parameterDeclarations, parameterNames, export) \
     namespace functionNamespace { \
     static resultType __cdecl init##framework##functionName parameterDeclarations; \
-    resultType(__cdecl*softLink##framework##functionName) parameterDeclarations = init##framework##functionName; \
+    export resultType(__cdecl*softLink##framework##functionName) parameterDeclarations = init##framework##functionName; \
     static resultType __cdecl init##framework##functionName parameterDeclarations \
     { \
         softLink##framework##functionName = reinterpret_cast<resultType (__cdecl*)parameterDeclarations>(SOFT_LINK_GETPROCADDRESS(framework##Library(), #functionName)); \
@@ -265,6 +269,9 @@
     } \
     }
 
+#define SOFT_LINK_FUNCTION_FOR_SOURCE(functionNamespace, framework, functionName, resultType, parameterDeclarations, parameterNames) \
+    SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(functionNamespace, framework, functionName, resultType, parameterDeclarations, parameterNames, )
+
 #define SOFT_LINK_FUNCTION_MAY_FAIL_FOR_HEADER(functionNamespace, framework, functionName, resultType, parameterDeclarations, parameterNames) \
     WTF_EXTERN_C_BEGIN \
     resultType functionName parameterDeclarations; \

Modified: branches/safari-609-branch/Source/WebCore/PAL/ChangeLog (261520 => 261521)


--- branches/safari-609-branch/Source/WebCore/PAL/ChangeLog	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebCore/PAL/ChangeLog	2020-05-12 00:22:00 UTC (rev 261521)
@@ -1,3 +1,47 @@
+2020-05-07  Russell Epstein  <repst...@apple.com>
+
+        Cherry-pick r260832. rdar://problem/62978877
+
+    [Mac] Adopt kMTSupportNotification_ShouldPlayHDRVideoChanged notification
+    https://bugs.webkit.org/show_bug.cgi?id=211028
+    
+    Reviewed by Eric Carlson.
+    
+    Source/WebCore/PAL:
+    
+    Make MediaToolboxSoftLink fully exported from PAL.
+    
+    * pal/cf/CoreMediaSoftLink.cpp:
+    * pal/cocoa/MediaToolboxSoftLink.cpp:
+    * pal/cocoa/MediaToolboxSoftLink.h:
+    
+    Source/WebKit:
+    
+    Adopt a new notification which signals that the receiver should re-query for HDR support.
+    
+    * UIProcess/Cocoa/WebProcessPoolCocoa.mm:
+    (WebKit::webProcessPoolHighDynamicRangeDidChangeCallback):
+    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+    * UIProcess/WebProcessPool.cpp:
+    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+    (WebKit::WebProcessPool::initializeNewWebProcess):
+    * UIProcess/WebProcessPool.h:
+    
+    git-svn-id: https://svn.webkit.org/repository/webkit/trunk@260832 268f45cc-cd09-0410-ab3c-d52691b4dbfc
+
+    2020-04-28  Jer Noble  <jer.no...@apple.com>
+
+            [Mac] Adopt kMTSupportNotification_ShouldPlayHDRVideoChanged notification
+            https://bugs.webkit.org/show_bug.cgi?id=211028
+
+            Reviewed by Eric Carlson.
+
+            Make MediaToolboxSoftLink fully exported from PAL.
+
+            * pal/cf/CoreMediaSoftLink.cpp:
+            * pal/cocoa/MediaToolboxSoftLink.cpp:
+            * pal/cocoa/MediaToolboxSoftLink.h:
+
 2020-04-07  Russell Epstein  <repst...@apple.com>
 
         Cherry-pick r259388. rdar://problem/61269730

Modified: branches/safari-609-branch/Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.cpp (261520 => 261521)


--- branches/safari-609-branch/Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.cpp	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.cpp	2020-05-12 00:22:00 UTC (rev 261521)
@@ -42,149 +42,149 @@
 #endif
 
 
-SOFT_LINK_FRAMEWORK_FOR_SOURCE(PAL, CoreMedia)
+SOFT_LINK_FRAMEWORK_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, PAL_EXPORT)
 
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBlockBufferCopyDataBytes, OSStatus, (CMBlockBufferRef theSourceBuffer, size_t offsetToData, size_t dataLength, void* destination), (theSourceBuffer, offsetToData, dataLength, destination))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBlockBufferGetDataLength, size_t, (CMBlockBufferRef theBuffer), (theBuffer))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMFormatDescriptionGetExtensions, CFDictionaryRef, (CMFormatDescriptionRef desc), (desc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetTypeID, CFTypeID, (void), ())
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetDataBuffer, CMBlockBufferRef, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetFormatDescription, CMFormatDescriptionRef, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetSampleTimingInfo, OSStatus, (CMSampleBufferRef sbuf, CMItemIndex sampleIndex, CMSampleTimingInfo* timingInfoOut), (sbuf, sampleIndex, timingInfoOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferDataIsReady, Boolean, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeCompare, int32_t, (CMTime time1, CMTime time2), (time1, time2))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeAdd, CMTime, (CMTime time1, CMTime time2), (time1, time2))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeGetSeconds, Float64, (CMTime time), (time))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeMake, CMTime, (int64_t value, int32_t timescale), (value, timescale))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeMakeWithSeconds, CMTime, (Float64 seconds, int32_t preferredTimeScale), (seconds, preferredTimeScale))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeSubtract, CMTime, (CMTime minuend, CMTime subtrahend), (minuend, subtrahend))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeRangeGetEnd, CMTime, (CMTimeRange range), (range))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeRangeEqual, Boolean, (CMTimeRange range1, CMTimeRange range2), (range1, range2))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBlockBufferCopyDataBytes, OSStatus, (CMBlockBufferRef theSourceBuffer, size_t offsetToData, size_t dataLength, void* destination), (theSourceBuffer, offsetToData, dataLength, destination), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBlockBufferGetDataLength, size_t, (CMBlockBufferRef theBuffer), (theBuffer), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMFormatDescriptionGetExtensions, CFDictionaryRef, (CMFormatDescriptionRef desc), (desc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetTypeID, CFTypeID, (void), (), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetDataBuffer, CMBlockBufferRef, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetFormatDescription, CMFormatDescriptionRef, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetSampleTimingInfo, OSStatus, (CMSampleBufferRef sbuf, CMItemIndex sampleIndex, CMSampleTimingInfo* timingInfoOut), (sbuf, sampleIndex, timingInfoOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferDataIsReady, Boolean, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeCompare, int32_t, (CMTime time1, CMTime time2), (time1, time2), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeAdd, CMTime, (CMTime time1, CMTime time2), (time1, time2), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeGetSeconds, Float64, (CMTime time), (time), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeMake, CMTime, (int64_t value, int32_t timescale), (value, timescale), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeMakeWithSeconds, CMTime, (Float64 seconds, int32_t preferredTimeScale), (seconds, preferredTimeScale), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeSubtract, CMTime, (CMTime minuend, CMTime subtrahend), (minuend, subtrahend), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeRangeGetEnd, CMTime, (CMTimeRange range), (range), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeRangeMake, CMTimeRange, (CMTime start, CMTime duration), (start, duration), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeRangeEqual, Boolean, (CMTimeRange range1, CMTimeRange range2), (range1, range2), PAL_EXPORT)
 
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAlignmentType_End, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAlignmentType_Middle, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAlignmentType_Start, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_Alignment, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_BackgroundColorARGB, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_BaseFontSizePercentageRelativeToVideoHeight, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_BoldStyle, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_CharacterBackgroundColorARGB, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_FontFamilyName, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_ForegroundColorARGB, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_ItalicStyle, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_OrthogonalLinePositionPercentageRelativeToWritingDirection, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_RelativeFontSize, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_TextPositionPercentageRelativeToWritingDirection, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_UnderlineStyle, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_VerticalLayout, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextMarkupAttribute_WritingDirectionSizePercentage, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextVerticalLayout_LeftToRight, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTextVerticalLayout_RightToLeft, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimeInvalid, CMTime)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAlignmentType_End, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAlignmentType_Middle, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAlignmentType_Start, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_Alignment, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_BackgroundColorARGB, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_BaseFontSizePercentageRelativeToVideoHeight, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_BoldStyle, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_CharacterBackgroundColorARGB, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_FontFamilyName, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_ForegroundColorARGB, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_ItalicStyle, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_OrthogonalLinePositionPercentageRelativeToWritingDirection, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_RelativeFontSize, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_TextPositionPercentageRelativeToWritingDirection, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_UnderlineStyle, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_VerticalLayout, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextMarkupAttribute_WritingDirectionSizePercentage, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextVerticalLayout_LeftToRight, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTextVerticalLayout_RightToLeft, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimeInvalid, CMTime, PAL_EXPORT)
 SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimeZero, CMTime, PAL_EXPORT)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimePositiveInfinity, CMTime)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimePositiveInfinity, CMTime, PAL_EXPORT)
 SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimeRangeInvalid, CMTimeRange);
 
 #if PLATFORM(COCOA)
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMFormatDescriptionGetMediaSubType, FourCharCode, (CMFormatDescriptionRef desc), (desc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMFormatDescriptionGetMediaType, CMMediaType, (CMFormatDescriptionRef desc), (desc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMNotificationCenterGetDefaultLocalCenter, CMNotificationCenterRef, (void), ())
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMNotificationCenterAddListener, OSStatus, (CMNotificationCenterRef center, const void* listener, CMNotificationCallback callback, CFStringRef notification, const void* object, UInt32 flags), (center, listener, callback, notification, object, flags))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMNotificationCenterRemoveListener, OSStatus, (CMNotificationCenterRef center, const void* listener, CMNotificationCallback callback, CFStringRef notification, const void* object), (center, listener, callback, notification, object))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCreate, OSStatus, (CFAllocatorRef allocator, CMBlockBufferRef dataBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void *makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCount numSamples, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo *sampleTimingArray, CMItemCount numSampleSizeEntries, const size_t *sampleSizeArray, CMSampleBufferRef *sBufOut), (allocator, dataBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, numSamples, numSampleTimingEntries, sampleTimingArray, numSampleSizeEntries, sampleSizeArray, sBufOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCreateCopy, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef sbuf, CMSampleBufferRef *sbufCopyOut), (allocator, sbuf, sbufCopyOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCreateCopyWithNewTiming, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef originalSBuf, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo *sampleTimingArray, CMSampleBufferRef *sBufCopyOut), (allocator, originalSBuf, numSampleTimingEntries, sampleTimingArray, sBufCopyOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCreateReadyWithImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, CMVideoFormatDescriptionRef formatDescription, const CMSampleTimingInfo* sampleTiming, CMSampleBufferRef* sBufOut), (allocator, imageBuffer, formatDescription, sampleTiming, sBufOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCreateForImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void* makeDataReadyRefcon, CMVideoFormatDescriptionRef formatDescription, const CMSampleTimingInfo* sampleTiming, CMSampleBufferRef* sampleBufferOut), (allocator, imageBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, sampleTiming, sampleBufferOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetDecodeTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetDuration, CMTime, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetImageBuffer, CVImageBufferRef, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetPresentationTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetOutputDuration, CMTime, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetOutputPresentationTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetSampleAttachmentsArray, CFArrayRef, (CMSampleBufferRef sbuf, Boolean createIfNecessary), (sbuf, createIfNecessary))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetSampleTimingInfoArray, OSStatus, (CMSampleBufferRef sbuf, CMItemCount timingArrayEntries, CMSampleTimingInfo *timingArrayOut, CMItemCount *timingArrayEntriesNeededOut), (sbuf, timingArrayEntries, timingArrayOut, timingArrayEntriesNeededOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeConvertScale, CMTime, (CMTime time, int32_t newTimescale, CMTimeRoundingMethod method), (time, newTimescale, method))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetTotalSampleSize, size_t, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferSetDataBuffer, OSStatus, (CMSampleBufferRef sbuf, CMBlockBufferRef buffer), (sbuf, buffer))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMGetAttachment, CFTypeRef, (CMAttachmentBearerRef target, CFStringRef key, CMAttachmentMode* attachmentModeOut), (target, key, attachmentModeOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSetAttachment, void, (CMAttachmentBearerRef target, CFStringRef key, CFTypeRef value, CMAttachmentMode attachmentMode), (target, key, value, attachmentMode))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMRemoveAttachment, void, (CMAttachmentBearerRef target, CFStringRef key), (target, key))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseCreateWithMasterClock, OSStatus, (CFAllocatorRef allocator, CMClockRef masterClock, CMTimebaseRef *timebaseOut), (allocator, masterClock, timebaseOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseGetTime, CMTime, (CMTimebaseRef timebase), (timebase))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseGetRate, Float64, (CMTimebaseRef timebase), (timebase))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseSetRate, OSStatus, (CMTimebaseRef timebase, Float64 rate), (timebase, rate))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseSetTime, OSStatus, (CMTimebaseRef timebase, CMTime time), (timebase, time))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseGetEffectiveRate, Float64, (CMTimebaseRef timebase), (timebase))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseAddTimerDispatchSource, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseRemoveTimerDispatchSource, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseSetTimerDispatchSourceNextFireTime, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource, CMTime fireTime, uint32_t flags), (timebase, timerSource, fireTime, flags))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimebaseSetTimerDispatchSourceToFireImmediately, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeCopyAsDictionary, CFDictionaryRef, (CMTime time, CFAllocatorRef allocator), (time, allocator))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMVideoFormatDescriptionCreateForImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, CMVideoFormatDescriptionRef* outDesc), (allocator, imageBuffer, outDesc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMVideoFormatDescriptionGetDimensions, CMVideoDimensions, (CMVideoFormatDescriptionRef videoDesc), (videoDesc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMVideoFormatDescriptionGetPresentationDimensions, CGSize, (CMVideoFormatDescriptionRef videoDesc, Boolean usePixelAspectRatio, Boolean useCleanAperture), (videoDesc, usePixelAspectRatio, useCleanAperture))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueReset, OSStatus, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueCreate, OSStatus, (CFAllocatorRef allocator, CMItemCount capacity, const CMBufferCallbacks* callbacks, CMBufferQueueRef* queueOut), (allocator, capacity, callbacks, queueOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueGetHead, CMBufferRef, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueDequeueAndRetain, CMBufferRef, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueEnqueue, OSStatus, (CMBufferQueueRef queue, CMBufferRef buffer), (queue, buffer))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueIsEmpty, Boolean, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueGetBufferCount, CMItemCount, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueGetFirstPresentationTimeStamp, CMTime, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueGetEndPresentationTimeStamp, CMTime, (CMBufferQueueRef queue), (queue))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBufferQueueInstallTriggerWithIntegerThreshold, OSStatus, (CMBufferQueueRef queue, CMBufferQueueTriggerCallback triggerCallback, void* triggerRefcon, CMBufferQueueTriggerCondition triggerCondition, CMItemCount triggerThreshold, CMBufferQueueTriggerToken* triggerTokenOut), (queue, triggerCallback, triggerRefcon, triggerCondition, triggerThreshold, triggerTokenOut))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMFormatDescriptionGetMediaSubType, FourCharCode, (CMFormatDescriptionRef desc), (desc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMFormatDescriptionGetMediaType, CMMediaType, (CMFormatDescriptionRef desc), (desc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMNotificationCenterGetDefaultLocalCenter, CMNotificationCenterRef, (void), (), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMNotificationCenterAddListener, OSStatus, (CMNotificationCenterRef center, const void* listener, CMNotificationCallback callback, CFStringRef notification, const void* object, UInt32 flags), (center, listener, callback, notification, object, flags), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMNotificationCenterRemoveListener, OSStatus, (CMNotificationCenterRef center, const void* listener, CMNotificationCallback callback, CFStringRef notification, const void* object), (center, listener, callback, notification, object), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCreate, OSStatus, (CFAllocatorRef allocator, CMBlockBufferRef dataBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void *makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCount numSamples, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo *sampleTimingArray, CMItemCount numSampleSizeEntries, const size_t *sampleSizeArray, CMSampleBufferRef *sBufOut), (allocator, dataBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, numSamples, numSampleTimingEntries, sampleTimingArray, numSampleSizeEntries, sampleSizeArray, sBufOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCreateCopy, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef sbuf, CMSampleBufferRef *sbufCopyOut), (allocator, sbuf, sbufCopyOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCreateCopyWithNewTiming, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef originalSBuf, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo *sampleTimingArray, CMSampleBufferRef *sBufCopyOut), (allocator, originalSBuf, numSampleTimingEntries, sampleTimingArray, sBufCopyOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCreateReadyWithImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, CMVideoFormatDescriptionRef formatDescription, const CMSampleTimingInfo* sampleTiming, CMSampleBufferRef* sBufOut), (allocator, imageBuffer, formatDescription, sampleTiming, sBufOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCreateForImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void* makeDataReadyRefcon, CMVideoFormatDescriptionRef formatDescription, const CMSampleTimingInfo* sampleTiming, CMSampleBufferRef* sampleBufferOut), (allocator, imageBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, sampleTiming, sampleBufferOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetDecodeTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetDuration, CMTime, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetImageBuffer, CVImageBufferRef, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetPresentationTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetOutputDuration, CMTime, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetOutputPresentationTimeStamp, CMTime, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetSampleAttachmentsArray, CFArrayRef, (CMSampleBufferRef sbuf, Boolean createIfNecessary), (sbuf, createIfNecessary), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetSampleTimingInfoArray, OSStatus, (CMSampleBufferRef sbuf, CMItemCount timingArrayEntries, CMSampleTimingInfo *timingArrayOut, CMItemCount *timingArrayEntriesNeededOut), (sbuf, timingArrayEntries, timingArrayOut, timingArrayEntriesNeededOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeConvertScale, CMTime, (CMTime time, int32_t newTimescale, CMTimeRoundingMethod method), (time, newTimescale, method), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetTotalSampleSize, size_t, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferSetDataBuffer, OSStatus, (CMSampleBufferRef sbuf, CMBlockBufferRef buffer), (sbuf, buffer), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMGetAttachment, CFTypeRef, (CMAttachmentBearerRef target, CFStringRef key, CMAttachmentMode* attachmentModeOut), (target, key, attachmentModeOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSetAttachment, void, (CMAttachmentBearerRef target, CFStringRef key, CFTypeRef value, CMAttachmentMode attachmentMode), (target, key, value, attachmentMode), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMRemoveAttachment, void, (CMAttachmentBearerRef target, CFStringRef key), (target, key), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseCreateWithMasterClock, OSStatus, (CFAllocatorRef allocator, CMClockRef masterClock, CMTimebaseRef *timebaseOut), (allocator, masterClock, timebaseOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseGetTime, CMTime, (CMTimebaseRef timebase), (timebase), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseGetRate, Float64, (CMTimebaseRef timebase), (timebase), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseSetRate, OSStatus, (CMTimebaseRef timebase, Float64 rate), (timebase, rate), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseSetTime, OSStatus, (CMTimebaseRef timebase, CMTime time), (timebase, time), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseGetEffectiveRate, Float64, (CMTimebaseRef timebase), (timebase), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseAddTimerDispatchSource, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseRemoveTimerDispatchSource, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseSetTimerDispatchSourceNextFireTime, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource, CMTime fireTime, uint32_t flags), (timebase, timerSource, fireTime, flags), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimebaseSetTimerDispatchSourceToFireImmediately, OSStatus, (CMTimebaseRef timebase, dispatch_source_t timerSource), (timebase, timerSource), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeCopyAsDictionary, CFDictionaryRef, (CMTime time, CFAllocatorRef allocator), (time, allocator), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMVideoFormatDescriptionCreateForImageBuffer, OSStatus, (CFAllocatorRef allocator, CVImageBufferRef imageBuffer, CMVideoFormatDescriptionRef* outDesc), (allocator, imageBuffer, outDesc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMVideoFormatDescriptionGetDimensions, CMVideoDimensions, (CMVideoFormatDescriptionRef videoDesc), (videoDesc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMVideoFormatDescriptionGetPresentationDimensions, CGSize, (CMVideoFormatDescriptionRef videoDesc, Boolean usePixelAspectRatio, Boolean useCleanAperture), (videoDesc, usePixelAspectRatio, useCleanAperture), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueReset, OSStatus, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueCreate, OSStatus, (CFAllocatorRef allocator, CMItemCount capacity, const CMBufferCallbacks* callbacks, CMBufferQueueRef* queueOut), (allocator, capacity, callbacks, queueOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueGetHead, CMBufferRef, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueDequeueAndRetain, CMBufferRef, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueEnqueue, OSStatus, (CMBufferQueueRef queue, CMBufferRef buffer), (queue, buffer), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueIsEmpty, Boolean, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueGetBufferCount, CMItemCount, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueGetFirstPresentationTimeStamp, CMTime, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueGetEndPresentationTimeStamp, CMTime, (CMBufferQueueRef queue), (queue), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBufferQueueInstallTriggerWithIntegerThreshold, OSStatus, (CMBufferQueueRef queue, CMBufferQueueTriggerCallback triggerCallback, void* triggerRefcon, CMBufferQueueTriggerCondition triggerCondition, CMItemCount triggerThreshold, CMBufferQueueTriggerToken* triggerTokenOut), (queue, triggerCallback, triggerRefcon, triggerCondition, triggerThreshold, triggerTokenOut), PAL_EXPORT)
 
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleAttachmentKey_DoNotDisplay, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleAttachmentKey_NotSync, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_DisplayEmptyMediaImmediately, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_DrainAfterDecoding, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_EmptyMedia, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_PostNotificationWhenConsumed, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_ResetDecoderBeforeDecoding, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_SampleReferenceByteOffset, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferAttachmentKey_SampleReferenceURL, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleAttachmentKey_DisplayImmediately, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleAttachmentKey_IsDependedOnByOthers, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMSampleBufferConsumerNotification_BufferConsumed, CFStringRef)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleAttachmentKey_DoNotDisplay, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleAttachmentKey_NotSync, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_DisplayEmptyMediaImmediately, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_DrainAfterDecoding, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_EmptyMedia, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_PostNotificationWhenConsumed, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_ResetDecoderBeforeDecoding, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_SampleReferenceByteOffset, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferAttachmentKey_SampleReferenceURL, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleAttachmentKey_DisplayImmediately, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleAttachmentKey_IsDependedOnByOthers, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMSampleBufferConsumerNotification_BufferConsumed, CFStringRef, PAL_EXPORT)
 
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimebaseNotification_EffectiveRateChanged, CFStringRef)
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimebaseNotification_TimeJumped, CFStringRef)
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMAudioFormatDescriptionGetStreamBasicDescription, const AudioStreamBasicDescription *, (CMAudioFormatDescriptionRef desc), (desc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMBlockBufferCreateWithMemoryBlock, OSStatus, (CFAllocatorRef structureAllocator, void* memoryBlock, size_t blockLength, CFAllocatorRef blockAllocator, const CMBlockBufferCustomBlockSource* customBlockSource, size_t offsetToData, size_t dataLength, CMBlockBufferFlags flags, CMBlockBufferRef* blockBufferOut), (structureAllocator, memoryBlock, blockLength, blockAllocator, customBlockSource, offsetToData, dataLength, flags, blockBufferOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetAudioBufferListWithRetainedBlockBuffer, OSStatus, (CMSampleBufferRef sbuf, size_t *bufferListSizeNeededOut, AudioBufferList *bufferListOut, size_t bufferListSize, CFAllocatorRef bbufStructAllocator, CFAllocatorRef bbufMemoryAllocator, uint32_t flags, CMBlockBufferRef *blockBufferOut), (sbuf, bufferListSizeNeededOut, bufferListOut, bufferListSize, bbufStructAllocator, bbufMemoryAllocator, flags, blockBufferOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetNumSamples, CMItemCount, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCopySampleBufferForRange, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef sbuf, CFRange sampleRange, CMSampleBufferRef* sBufOut), (allocator, sbuf, sampleRange, sBufOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferGetSampleSizeArray, OSStatus, (CMSampleBufferRef sbuf, CMItemCount sizeArrayEntries, size_t* sizeArrayOut, CMItemCount* sizeArrayEntriesNeededOut), (sbuf, sizeArrayEntries, sizeArrayOut, sizeArrayEntriesNeededOut))
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimebaseNotification_EffectiveRateChanged, CFStringRef, PAL_EXPORT)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimebaseNotification_TimeJumped, CFStringRef, PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMAudioFormatDescriptionGetStreamBasicDescription, const AudioStreamBasicDescription *, (CMAudioFormatDescriptionRef desc), (desc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMBlockBufferCreateWithMemoryBlock, OSStatus, (CFAllocatorRef structureAllocator, void* memoryBlock, size_t blockLength, CFAllocatorRef blockAllocator, const CMBlockBufferCustomBlockSource* customBlockSource, size_t offsetToData, size_t dataLength, CMBlockBufferFlags flags, CMBlockBufferRef* blockBufferOut), (structureAllocator, memoryBlock, blockLength, blockAllocator, customBlockSource, offsetToData, dataLength, flags, blockBufferOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetAudioBufferListWithRetainedBlockBuffer, OSStatus, (CMSampleBufferRef sbuf, size_t *bufferListSizeNeededOut, AudioBufferList *bufferListOut, size_t bufferListSize, CFAllocatorRef bbufStructAllocator, CFAllocatorRef bbufMemoryAllocator, uint32_t flags, CMBlockBufferRef *blockBufferOut), (sbuf, bufferListSizeNeededOut, bufferListOut, bufferListSize, bbufStructAllocator, bbufMemoryAllocator, flags, blockBufferOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetNumSamples, CMItemCount, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCopySampleBufferForRange, OSStatus, (CFAllocatorRef allocator, CMSampleBufferRef sbuf, CFRange sampleRange, CMSampleBufferRef* sBufOut), (allocator, sbuf, sampleRange, sBufOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferGetSampleSizeArray, OSStatus, (CMSampleBufferRef sbuf, CMItemCount sizeArrayEntries, size_t* sizeArrayOut, CMItemCount* sizeArrayEntriesNeededOut), (sbuf, sizeArrayEntries, sizeArrayOut, sizeArrayEntriesNeededOut), PAL_EXPORT)
 
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMAudioSampleBufferCreateWithPacketDescriptions, OSStatus, (CFAllocatorRef allocator, CMBlockBufferRef dataBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void *makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCount numSamples, CMTime sbufPTS, const AudioStreamPacketDescription *packetDescriptions, CMSampleBufferRef *sBufOut), (allocator, dataBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, numSamples, sbufPTS, packetDescriptions, sBufOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferSetDataBufferFromAudioBufferList, OSStatus, (CMSampleBufferRef sbuf, CFAllocatorRef bbufStructAllocator, CFAllocatorRef bbufMemoryAllocator, uint32_t flags, const AudioBufferList *bufferList), (sbuf, bbufStructAllocator, bbufMemoryAllocator, flags, bufferList))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferSetDataReady, OSStatus, (CMSampleBufferRef sbuf), (sbuf))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMAudioFormatDescriptionCreate, OSStatus, (CFAllocatorRef allocator, const AudioStreamBasicDescription* asbd, size_t layoutSize, const AudioChannelLayout* layout, size_t magicCookieSize, const void* magicCookie, CFDictionaryRef extensions, CMAudioFormatDescriptionRef* outDesc), (allocator, asbd, layoutSize, layout, magicCookieSize, magicCookie, extensions, outDesc))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMClockGetHostTimeClock, CMClockRef, (void), ())
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMClockGetTime, CMTime, (CMClockRef clock), (clock))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCallForEachSample, OSStatus, (CMSampleBufferRef sbuf, OSStatus (* CMSAMPLEBUFFERCALL_NOESCAPE callback)( CMSampleBufferRef sampleBuffer, CMItemCount index, void *refcon), void *refcon), (sbuf, callback, refcon))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMSampleBufferCallBlockForEachSample, OSStatus, (CMSampleBufferRef sbuf, OSStatus (^ CMSAMPLEBUFFERCALL_NOESCAPE handler)(CMSampleBufferRef, CMItemCount)), (sbuf, handler))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMAudioSampleBufferCreateWithPacketDescriptions, OSStatus, (CFAllocatorRef allocator, CMBlockBufferRef dataBuffer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallback, void *makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCount numSamples, CMTime sbufPTS, const AudioStreamPacketDescription *packetDescriptions, CMSampleBufferRef *sBufOut), (allocator, dataBuffer, dataReady, makeDataReadyCallback, makeDataReadyRefcon, formatDescription, numSamples, sbufPTS, packetDescriptions, sBufOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferSetDataBufferFromAudioBufferList, OSStatus, (CMSampleBufferRef sbuf, CFAllocatorRef bbufStructAllocator, CFAllocatorRef bbufMemoryAllocator, uint32_t flags, const AudioBufferList *bufferList), (sbuf, bbufStructAllocator, bbufMemoryAllocator, flags, bufferList), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferSetDataReady, OSStatus, (CMSampleBufferRef sbuf), (sbuf), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMAudioFormatDescriptionCreate, OSStatus, (CFAllocatorRef allocator, const AudioStreamBasicDescription* asbd, size_t layoutSize, const AudioChannelLayout* layout, size_t magicCookieSize, const void* magicCookie, CFDictionaryRef extensions, CMAudioFormatDescriptionRef* outDesc), (allocator, asbd, layoutSize, layout, magicCookieSize, magicCookie, extensions, outDesc), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMClockGetHostTimeClock, CMClockRef, (void), (), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMClockGetTime, CMTime, (CMClockRef clock), (clock), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCallForEachSample, OSStatus, (CMSampleBufferRef sbuf, OSStatus (* CMSAMPLEBUFFERCALL_NOESCAPE callback)( CMSampleBufferRef sampleBuffer, CMItemCount index, void *refcon), void *refcon), (sbuf, callback, refcon), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMSampleBufferCallBlockForEachSample, OSStatus, (CMSampleBufferRef sbuf, OSStatus (^ CMSAMPLEBUFFERCALL_NOESCAPE handler)(CMSampleBufferRef, CMItemCount)), (sbuf, handler), PAL_EXPORT)
 
 #endif // PLATFORM(COCOA)
 
 #if PLATFORM(IOS_FAMILY)
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMAudioClockCreate, OSStatus, (CFAllocatorRef allocator, CMClockRef *clockOut), (allocator, clockOut))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeMaximum, CMTime, (CMTime time1, CMTime time2), (time1, time2))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeMinimum, CMTime, (CMTime time1, CMTime time2), (time1, time2))
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeRangeContainsTime, Boolean, (CMTimeRange range, CMTime time), (range, time))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMAudioClockCreate, OSStatus, (CFAllocatorRef allocator, CMClockRef *clockOut), (allocator, clockOut), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeMaximum, CMTime, (CMTime time1, CMTime time2), (time1, time2), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeMinimum, CMTime, (CMTime time1, CMTime time2), (time1, time2), PAL_EXPORT)
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeRangeContainsTime, Boolean, (CMTimeRange range, CMTime time), (range, time), PAL_EXPORT)
 
-SOFT_LINK_CONSTANT_FOR_SOURCE(PAL, CoreMedia, kCMTimeIndefinite, CMTime)
+SOFT_LINK_CONSTANT_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, kCMTimeIndefinite, CMTime, PAL_EXPORT)
 #endif // PLATFORM(IOS_FAMILY)
 
 #if PLATFORM(MAC)
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMAudioDeviceClockCreate, OSStatus, (CFAllocatorRef allocator, CFStringRef deviceUID, CMClockRef *clockOut), (allocator, deviceUID, clockOut))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMAudioDeviceClockCreate, OSStatus, (CFAllocatorRef allocator, CFStringRef deviceUID, CMClockRef *clockOut), (allocator, deviceUID, clockOut), PAL_EXPORT)
 #endif // PLATFORM(MAC)
 
 #if PLATFORM(WIN)
-SOFT_LINK_FUNCTION_FOR_SOURCE(PAL, CoreMedia, CMTimeMakeFromDictionary, CMTime, (CFDictionaryRef dict), (dict))
+SOFT_LINK_FUNCTION_FOR_SOURCE_WITH_EXPORT(PAL, CoreMedia, CMTimeMakeFromDictionary, CMTime, (CFDictionaryRef dict), (dict), PAL_EXPORT)
 #endif // PLATFORM(WIN)
 
 #endif // USE(AVFOUNDATION)

Modified: branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.cpp (261520 => 261521)


--- branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.cpp	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.cpp	2020-05-12 00:22:00 UTC (rev 261521)
@@ -34,5 +34,7 @@
 
 SOFT_LINK_FUNCTION_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, MediaToolbox, MTShouldPlayHDRVideo, Boolean, (CFArrayRef displayList), (displayList), PAL_EXPORT)
 SOFT_LINK_FUNCTION_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, MediaToolbox, MTOverrideShouldPlayHDRVideo, void, (Boolean override, Boolean playHDRVideo), (override, playHDRVideo), PAL_EXPORT)
+SOFT_LINK_FUNCTION_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, MediaToolbox, MT_GetShouldPlayHDRVideoNotificationSingleton, CFTypeRef, (void), (), PAL_EXPORT)
 
+SOFT_LINK_CONSTANT_MAY_FAIL_FOR_SOURCE_WITH_EXPORT(PAL, MediaToolbox, kMTSupportNotification_ShouldPlayHDRVideoChanged, CFStringRef, PAL_EXPORT)
 #endif

Modified: branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.h (261520 => 261521)


--- branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.h	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebCore/PAL/pal/cocoa/MediaToolboxSoftLink.h	2020-05-12 00:22:00 UTC (rev 261521)
@@ -34,5 +34,8 @@
 
 SOFT_LINK_FUNCTION_MAY_FAIL_FOR_HEADER(PAL, MediaToolbox, MTShouldPlayHDRVideo, Boolean, (CFArrayRef displayList), (displayList))
 SOFT_LINK_FUNCTION_MAY_FAIL_FOR_HEADER(PAL, MediaToolbox, MTOverrideShouldPlayHDRVideo, void, (Boolean override, Boolean playHDRVideo), (override, playHDRVideo))
+SOFT_LINK_FUNCTION_MAY_FAIL_FOR_HEADER(PAL, MediaToolbox, MT_GetShouldPlayHDRVideoNotificationSingleton, CFTypeRef, (void), ())
 
+SOFT_LINK_CONSTANT_MAY_FAIL_FOR_HEADER(PAL, MediaToolbox, kMTSupportNotification_ShouldPlayHDRVideoChanged, CFStringRef)
+
 #endif

Modified: branches/safari-609-branch/Source/WebKit/ChangeLog (261520 => 261521)


--- branches/safari-609-branch/Source/WebKit/ChangeLog	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebKit/ChangeLog	2020-05-12 00:22:00 UTC (rev 261521)
@@ -1,5 +1,53 @@
 2020-05-07  Russell Epstein  <repst...@apple.com>
 
+        Cherry-pick r260832. rdar://problem/62978877
+
+    [Mac] Adopt kMTSupportNotification_ShouldPlayHDRVideoChanged notification
+    https://bugs.webkit.org/show_bug.cgi?id=211028
+    
+    Reviewed by Eric Carlson.
+    
+    Source/WebCore/PAL:
+    
+    Make MediaToolboxSoftLink fully exported from PAL.
+    
+    * pal/cf/CoreMediaSoftLink.cpp:
+    * pal/cocoa/MediaToolboxSoftLink.cpp:
+    * pal/cocoa/MediaToolboxSoftLink.h:
+    
+    Source/WebKit:
+    
+    Adopt a new notification which signals that the receiver should re-query for HDR support.
+    
+    * UIProcess/Cocoa/WebProcessPoolCocoa.mm:
+    (WebKit::webProcessPoolHighDynamicRangeDidChangeCallback):
+    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+    * UIProcess/WebProcessPool.cpp:
+    (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+    (WebKit::WebProcessPool::initializeNewWebProcess):
+    * UIProcess/WebProcessPool.h:
+    
+    git-svn-id: https://svn.webkit.org/repository/webkit/trunk@260832 268f45cc-cd09-0410-ab3c-d52691b4dbfc
+
+    2020-04-28  Jer Noble  <jer.no...@apple.com>
+
+            [Mac] Adopt kMTSupportNotification_ShouldPlayHDRVideoChanged notification
+            https://bugs.webkit.org/show_bug.cgi?id=211028
+
+            Reviewed by Eric Carlson.
+
+            Adopt a new notification which signals that the receiver should re-query for HDR support.
+
+            * UIProcess/Cocoa/WebProcessPoolCocoa.mm:
+            (WebKit::webProcessPoolHighDynamicRangeDidChangeCallback):
+            (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+            * UIProcess/WebProcessPool.cpp:
+            (WebKit::WebProcessPool::registerHighDynamicRangeChangeCallback):
+            (WebKit::WebProcessPool::initializeNewWebProcess):
+            * UIProcess/WebProcessPool.h:
+
+2020-05-07  Russell Epstein  <repst...@apple.com>
+
         Cherry-pick r260666. rdar://problem/62978264
 
     IPC::Decoder should use create() pattern

Modified: branches/safari-609-branch/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm (261520 => 261521)


--- branches/safari-609-branch/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm	2020-05-12 00:22:00 UTC (rev 261521)
@@ -54,6 +54,8 @@
 #import <WebCore/RuntimeApplicationChecks.h>
 #import <WebCore/SharedBuffer.h>
 #import <objc/runtime.h>
+#import <pal/cf/CoreMediaSoftLink.h>
+#import <pal/cocoa/MediaToolboxSoftLink.h>
 #import <pal/spi/cf/CFNetworkSPI.h>
 #import <pal/spi/cocoa/NSKeyedArchiverSPI.h>
 #import <sys/param.h>
@@ -711,4 +713,36 @@
     return m_classesForParameterCoder.get();
 }
 
+#if PLATFORM(MAC)
+static void webProcessPoolHighDynamicRangeDidChangeCallback(CMNotificationCenterRef, const void*, CFStringRef notificationName, const void*, CFTypeRef)
+{
+    auto screenProperties = WebCore::collectScreenProperties();
+    for (auto& processPool : WebProcessPool::allProcessPools())
+        processPool->sendToAllProcesses(Messages::WebProcess::SetScreenProperties(screenProperties));
+}
+
+void WebProcessPool::registerHighDynamicRangeChangeCallback()
+{
+    static std::once_flag onceFlag;
+    std::call_once(
+        onceFlag,
+        [] {
+        if (!PAL::isMediaToolboxFrameworkAvailable()
+            || !PAL::canLoad_MediaToolbox_MTShouldPlayHDRVideo()
+            || !PAL::canLoad_MediaToolbox_MT_GetShouldPlayHDRVideoNotificationSingleton()
+            || !PAL::canLoad_MediaToolbox_kMTSupportNotification_ShouldPlayHDRVideoChanged())
+            return;
+
+        auto center = PAL::softLink_CoreMedia_CMNotificationCenterGetDefaultLocalCenter();
+        auto notification = PAL::get_MediaToolbox_kMTSupportNotification_ShouldPlayHDRVideoChanged();
+        auto object = PAL::softLinkMediaToolboxMT_GetShouldPlayHDRVideoNotificationSingleton();
+
+        // Note: CMNotificationCenterAddListener requires a non-null listener pointer. Just use the singleton
+        // object itself as the "listener", since the notification method is a static global and doesn't need
+        // the listener pointer at all.
+        PAL::softLink_CoreMedia_CMNotificationCenterAddListener(center, object, webProcessPoolHighDynamicRangeDidChangeCallback, notification, object, 0);
+    });
+}
+#endif
+
 } // namespace WebKit

Modified: branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.cpp (261520 => 261521)


--- branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.cpp	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.cpp	2020-05-12 00:22:00 UTC (rev 261521)
@@ -894,6 +894,12 @@
 }
 #endif
 
+#if !PLATFORM(MAC)
+void WebProcessPool::registerHighDynamicRangeChangeCallback()
+{
+}
+#endif
+
 WebProcessDataStoreParameters WebProcessPool::webProcessDataStoreParameters(WebProcessProxy& process, WebsiteDataStore& websiteDataStore)
 {
     websiteDataStore.resolveDirectoriesIfNecessary();
@@ -1073,6 +1079,8 @@
 #if PLATFORM(MAC)
     registerDisplayConfigurationCallback();
 #endif
+
+    registerHighDynamicRangeChangeCallback();
 }
 
 void WebProcessPool::prewarmProcess()

Modified: branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.h (261520 => 261521)


--- branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.h	2020-05-12 00:21:56 UTC (rev 261520)
+++ branches/safari-609-branch/Source/WebKit/UIProcess/WebProcessPool.h	2020-05-12 00:22:00 UTC (rev 261521)
@@ -611,6 +611,8 @@
     static void backlightLevelDidChangeCallback(CFNotificationCenterRef, void *observer, CFStringRef name, const void *, CFDictionaryRef userInfo);    
 #endif
 
+    static void registerHighDynamicRangeChangeCallback();
+
     Ref<API::ProcessPoolConfiguration> m_configuration;
 
     IPC::MessageReceiverMap m_messageReceiverMap;

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