Audio: Add AudioWorkgroup support

This allows real-time threads to join an audio workgroup on Apple platforms.

examples/DemoRunner/Builds/Android/app/CMakeLists.txt

@@ -129,6 +129,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -154,6 +155,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -960,6 +963,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -1261,8 +1266,6 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_data_structures/juce_data_structures.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock_test.cpp"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction.h"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_Impl.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_test.cpp"
@@ -2189,6 +2192,7 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -2214,6 +2218,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -3020,6 +3026,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -3321,8 +3329,6 @@ set_source_files_properties(
     "../../../../../modules/juce_data_structures/juce_data_structures.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock_test.cpp"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction.h"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_Impl.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_test.cpp"

examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj

@@ -272,6 +272,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1241,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1625,9 +1631,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2824,6 +2827,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2838,6 +2842,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3292,6 +3297,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3456,7 +3462,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\values\juce_ValueTreeSynchroniser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters

@@ -850,6 +850,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1855,6 +1858,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2263,9 +2269,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
@@ -3687,6 +3690,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3729,6 +3735,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -5091,6 +5100,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5583,9 +5595,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj

@@ -272,6 +272,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1241,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1625,9 +1631,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2824,6 +2827,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2838,6 +2842,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3292,6 +3297,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3456,7 +3462,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\values\juce_ValueTreeSynchroniser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters

@@ -850,6 +850,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1855,6 +1858,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2263,9 +2269,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
@@ -3687,6 +3690,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3729,6 +3735,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -5091,6 +5100,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5583,9 +5595,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj

@@ -272,6 +272,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1241,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1625,9 +1631,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2824,6 +2827,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2838,6 +2842,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3292,6 +3297,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3456,7 +3462,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\values\juce_ValueTreeSynchroniser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters

@@ -850,6 +850,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1855,6 +1858,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2263,9 +2269,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
@@ -3687,6 +3690,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3729,6 +3735,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -5091,6 +5100,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5583,9 +5595,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt

@@ -101,6 +101,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -126,6 +127,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -836,6 +839,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -1859,6 +1864,7 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -1884,6 +1890,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -2594,6 +2602,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"

extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj

@@ -253,6 +253,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1081,6 +1084,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2425,6 +2431,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2439,6 +2446,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -2845,6 +2853,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters

@@ -700,6 +700,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1564,6 +1567,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -3108,6 +3114,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3150,6 +3159,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4368,6 +4380,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt

@@ -134,6 +134,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -159,6 +160,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -869,6 +872,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -1170,8 +1175,6 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_data_structures/juce_data_structures.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock_test.cpp"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction.h"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_Impl.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_test.cpp"
@@ -2047,6 +2050,7 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -2072,6 +2076,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -2782,6 +2788,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -3083,8 +3091,6 @@ set_source_files_properties(
     "../../../../../modules/juce_data_structures/juce_data_structures.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock.h"
     "../../../../../modules/juce_dsp/containers/juce_AudioBlock_test.cpp"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction.h"
-    "../../../../../modules/juce_dsp/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_Impl.h"
     "../../../../../modules/juce_dsp/containers/juce_SIMDRegister_test.cpp"

extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj

@@ -261,6 +261,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1089,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1473,9 +1479,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2608,6 +2611,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2622,6 +2626,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3028,6 +3033,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3192,7 +3198,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\values\juce_ValueTreeSynchroniser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters

@@ -775,6 +775,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1639,6 +1642,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2047,9 +2053,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
@@ -3387,6 +3390,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3429,6 +3435,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4647,6 +4656,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5139,9 +5151,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj

@@ -261,6 +261,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1089,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1473,9 +1479,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2608,6 +2611,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2622,6 +2626,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3028,6 +3033,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3192,7 +3198,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\values\juce_ValueTreeSynchroniser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters

@@ -775,6 +775,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1639,6 +1642,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2047,9 +2053,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
@@ -3387,6 +3390,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3429,6 +3435,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4647,6 +4656,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5139,9 +5151,6 @@
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       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
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     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj

@@ -261,6 +261,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1089,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1473,9 +1479,6 @@
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     </ClCompile>
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-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
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@@ -2608,6 +2611,7 @@
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2622,6 +2626,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -3028,6 +3033,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3192,7 +3198,6 @@
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     <ClInclude Include="..\..\..\..\modules\juce_data_structures\juce_data_structures.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_Impl.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\filter_design\juce_FilterDesign.h"/>

extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters

@@ -775,6 +775,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1639,6 +1642,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2047,9 +2053,6 @@
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       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
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     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
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@@ -3387,6 +3390,9 @@
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       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
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@@ -3429,6 +3435,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4647,6 +4656,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
@@ -5139,9 +5151,6 @@
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction.h">
-      <Filter>JUCE Modules\juce_dsp\containers</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister.h">
       <Filter>JUCE Modules\juce_dsp\containers</Filter>
     </ClInclude>

extras/BinaryBuilder/Builds/VisualStudio2022/BinaryBuilder_ConsoleApp.vcxproj

@@ -151,6 +151,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -490,6 +493,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/BinaryBuilder/Builds/VisualStudio2022/BinaryBuilder_ConsoleApp.vcxproj.filters

@@ -88,6 +88,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -459,6 +462,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt

@@ -105,6 +105,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -130,6 +131,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -840,6 +843,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"
@@ -1943,6 +1948,7 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEValue.h"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.cpp"
     "../../../../../modules/juce_audio_basics/mpe/juce_MPEZoneLayout.h"
+    "../../../../../modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioLayouts_mac.h"
     "../../../../../modules/juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h"
     "../../../../../modules/juce_audio_basics/sources/juce_AudioSource.h"
@@ -1968,6 +1974,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_basics/synthesisers/juce_Synthesiser.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_ADSR_test.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp"
+    "../../../../../modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_Decibels.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_GenericInterpolator.h"
     "../../../../../modules/juce_audio_basics/utilities/juce_IIRFilter.cpp"
@@ -2678,6 +2686,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
+    "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
     "../../../../../modules/juce_core/containers/juce_HashMap_test.cpp"
     "../../../../../modules/juce_core/containers/juce_LinkedListPointer.h"

extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj

@@ -253,6 +253,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1081,6 +1084,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2516,6 +2522,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2530,6 +2537,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -2936,6 +2944,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters

@@ -730,6 +730,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1594,6 +1597,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -3249,6 +3255,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3291,6 +3300,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4509,6 +4521,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1783,6 +1786,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters

@@ -565,6 +565,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2532,6 +2535,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1783,6 +1786,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters

@@ -565,6 +565,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2532,6 +2535,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1783,6 +1786,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters

@@ -565,6 +565,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2532,6 +2535,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj

@@ -269,6 +269,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1097,6 +1100,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1481,9 +1487,6 @@
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_AudioBlock_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_FixedSizeFunction_test.cpp">
-      <ExcludedFromBuild>true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_dsp\containers\juce_SIMDRegister_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2674,6 +2677,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2688,6 +2692,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>
@@ -3258,7 +3264,6 @@
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extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters

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       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
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       <Filter>JUCE Modules\juce_core\containers</Filter>
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+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
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       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
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       <Filter>JUCE Modules\juce_core\containers</Filter>
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extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj

@@ -269,6 +269,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
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+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
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@@ -1097,6 +1100,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
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+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
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@@ -2688,6 +2692,7 @@
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
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@@ -3094,6 +3099,7 @@
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
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@@ -3258,7 +3264,6 @@
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extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters

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       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
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extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj

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     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
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@@ -1097,6 +1100,9 @@
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     </ClCompile>
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
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@@ -2688,6 +2692,7 @@
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     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
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extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters

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       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
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     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
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extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj

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@@ -2492,6 +2498,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEUtils.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEValue.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioTimeConversions_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_AudioSource.h"/>
@@ -2506,6 +2513,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\sources\juce_ToneGeneratorAudioSource.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\synthesisers\juce_Synthesiser.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_GenericInterpolator.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.h"/>
@@ -2912,6 +2920,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ListenerList.h"/>

extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters

@@ -727,6 +727,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR_test.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.cpp">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_IIRFilter.cpp">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClCompile>
@@ -1591,6 +1594,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_HashMap_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -3216,6 +3222,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\mpe\juce_MPEZoneLayout.h">
       <Filter>JUCE Modules\juce_audio_basics\mpe</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_AudioWorkgroup_mac.h">
+      <Filter>JUCE Modules\juce_audio_basics\native</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\native\juce_CoreAudioLayouts_mac.h">
       <Filter>JUCE Modules\juce_audio_basics\native</Filter>
     </ClInclude>
@@ -3258,6 +3267,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_ADSR.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_AudioWorkgroup.h">
+      <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_basics\utilities\juce_Decibels.h">
       <Filter>JUCE Modules\juce_audio_basics\utilities</Filter>
     </ClInclude>
@@ -4476,6 +4488,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

modules/juce_audio_basics/juce_audio_basics.cpp

@@ -89,13 +89,13 @@
 #include "synthesisers/juce_Synthesiser.cpp"
 #include "audio_play_head/juce_AudioPlayHead.cpp"
 #include "midi/juce_MidiDataConcatenator.h"
-
 #include "midi/ump/juce_UMP.h"
 #include "midi/ump/juce_UMPUtils.cpp"
 #include "midi/ump/juce_UMPView.cpp"
 #include "midi/ump/juce_UMPSysEx7.cpp"
 #include "midi/ump/juce_UMPMidi1ToMidi2DefaultTranslator.cpp"
 #include "midi/ump/juce_UMPIterator.cpp"
+#include "utilities/juce_AudioWorkgroup.cpp"
 
 #if JUCE_UNIT_TESTS
  #include "utilities/juce_ADSR_test.cpp"

modules/juce_audio_basics/juce_audio_basics.h

@@ -123,3 +123,4 @@ JUCE_END_IGNORE_WARNINGS_MSVC
 #include "sources/juce_ToneGeneratorAudioSource.h"
 #include "synthesisers/juce_Synthesiser.h"
 #include "audio_play_head/juce_AudioPlayHead.h"
+#include "utilities/juce_AudioWorkgroup.h"

modules/juce_audio_basics/native/juce_AudioWorkgroup_mac.h

@@ -0,0 +1,35 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+#if (defined (MAC_OS_VERSION_11_0) || defined (__IPHONE_14_0))
+ #define JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE    1
+#else
+ #define JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE    0
+#endif
+
+#if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+ AudioWorkgroup makeRealAudioWorkgroup (os_workgroup_t handle);
+#endif
+
+}

modules/juce_audio_basics/utilities/juce_AudioWorkgroup.cpp

@@ -0,0 +1,203 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+
+#if JUCE_MAC || JUCE_IOS
+ #include "../native/juce_AudioWorkgroup_mac.h"
+#endif
+
+namespace juce
+{
+
+#if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+
+class WorkgroupToken::TokenProvider
+{
+public:
+    explicit TokenProvider (os_workgroup_t wg)
+        : workgroup (wg), attached (attach (wg, token)) {}
+
+    ~TokenProvider()
+    {
+        if (attached)
+            detach (workgroup, token);
+    }
+
+    TokenProvider (const TokenProvider&) = delete;
+    TokenProvider (TokenProvider&& other) noexcept
+        : workgroup (std::exchange (other.workgroup, os_workgroup_t{})),
+          token (std::exchange (other.token, os_workgroup_join_token_s{})),
+          attached (std::exchange (other.attached, false)) {}
+
+    TokenProvider& operator= (const TokenProvider&) = delete;
+    TokenProvider& operator= (TokenProvider&& other) noexcept
+    {
+        TokenProvider { std::move (other) }.swap (*this);
+        return *this;
+    }
+
+    bool isAttached()             const { return attached; }
+    os_workgroup_t getHandle()    const { return workgroup; }
+
+private:
+    static void detach (os_workgroup_t wg, os_workgroup_join_token_s token)
+    {
+        if (@available (macos 11.0, ios 14.0, *))
+        {
+            os_workgroup_leave (wg, &token);
+            os_release (wg);
+        }
+    }
+
+    static bool attach (os_workgroup_t wg, os_workgroup_join_token_s& tokenOut)
+    {
+        if (@available (macos 11.0, ios 14.0, *))
+        {
+            if (wg != nullptr && os_workgroup_join (wg, &tokenOut) == 0)
+            {
+                os_retain (wg);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    void swap (TokenProvider& other) noexcept
+    {
+        std::swap (other.workgroup, workgroup);
+        std::swap (other.token, token);
+        std::swap (other.attached, attached);
+    }
+
+    os_workgroup_t workgroup;
+    os_workgroup_join_token_s token;
+    bool attached;
+};
+
+class AudioWorkgroup::WorkgroupProvider
+{
+public:
+    explicit WorkgroupProvider (os_workgroup_t ptr) : handle (ptr) {}
+
+    WorkgroupProvider clone() const
+    {
+        return WorkgroupProvider { handle != nullptr ? os_retain (handle.get()) : nullptr };
+    }
+
+    void join (WorkgroupToken& token) const
+    {
+        if (const auto* tokenProvider = token.getTokenProvider())
+            if (tokenProvider->isAttached() && tokenProvider->getHandle() == handle.get())
+                return;
+
+        // Explicit reset before constructing the new workgroup to ensure that the old workgroup
+        // is left before the new one is joined.
+        token.reset();
+
+        if (handle != nullptr)
+            token = WorkgroupToken { [provider = WorkgroupToken::TokenProvider { handle.get() }] { return &provider; } };
+    }
+
+    static os_workgroup_t getWorkgroup (const AudioWorkgroup& wg)
+    {
+        if (auto* p = wg.getWorkgroupProvider())
+            return p->handle.get();
+
+        return nullptr;
+    }
+
+private:
+    struct Release
+    {
+        void operator() (os_workgroup_t wg) const
+        {
+            if (wg != nullptr)
+                os_release (wg);
+        }
+    };
+
+    std::unique_ptr<std::remove_pointer_t<os_workgroup_t>, Release> handle;
+};
+
+#else
+
+class WorkgroupToken::TokenProvider {};
+
+class AudioWorkgroup::WorkgroupProvider
+{
+public:
+    explicit WorkgroupProvider() = default;
+
+    WorkgroupProvider clone() const { return WorkgroupProvider{}; }
+
+    void join (WorkgroupToken& t) const { t.reset(); }
+
+    static void* getWorkgroup (const AudioWorkgroup&) { return nullptr; }
+};
+
+#endif
+
+AudioWorkgroup::AudioWorkgroup (const AudioWorkgroup& other)
+    : erased ([&]() -> Erased
+              {
+                  if (auto* p = other.getWorkgroupProvider())
+                      return [provider = p->clone()] { return &provider; };
+
+                  return nullptr;
+              }()) {}
+
+bool AudioWorkgroup::operator== (const AudioWorkgroup& other) const
+{
+    return WorkgroupProvider::getWorkgroup (*this) == WorkgroupProvider::getWorkgroup (other);
+}
+
+void AudioWorkgroup::join (WorkgroupToken& token) const
+{
+   #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+
+    if (const auto* p = getWorkgroupProvider())
+    {
+        p->join (token);
+        return;
+    }
+
+   #endif
+
+    token.reset();
+}
+
+AudioWorkgroup::operator bool() const { return WorkgroupProvider::getWorkgroup (*this) != nullptr; }
+
+#if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+
+AudioWorkgroup makeRealAudioWorkgroup (os_workgroup_t handle)
+{
+    if (handle == nullptr)
+        return AudioWorkgroup{};
+
+    return AudioWorkgroup { [provider = AudioWorkgroup::WorkgroupProvider { handle }] { return &provider; } };
+}
+
+#endif
+
+} // namespace juce

modules/juce_audio_basics/utilities/juce_AudioWorkgroup.h

@@ -0,0 +1,202 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    Created by AudioWorkgroup to join the calling thread to a workgroup.
+    To leave the workgroup again, destroy the WorkgroupToken.
+
+    @see AudioWorkgroup
+
+    @tags{Audio}
+*/
+class WorkgroupToken
+{
+public:
+    /** @internal */
+    class TokenProvider;
+
+    /** @internal */
+    using Erased = FixedSizeFunction<64, const TokenProvider*()>;
+
+    /** @internal
+
+        Creates a WorkgroupToken from a function returning a TokenProvider.
+    */
+    explicit WorkgroupToken (Erased e) : erased (std::move (e)) {}
+
+    /** @internal
+
+        Creates a disengaged WorkgroupToken, i.e. create a token without joining the thread to a
+        workgroup.
+    */
+    WorkgroupToken()                                  = default;
+
+    /** If the token joined the calling thread to a workgroup during construction, the destructor
+        will cause the calling thread to leave that workgroup.
+    */
+    ~WorkgroupToken()                                 = default;
+
+    /** @internal */
+    WorkgroupToken (const WorkgroupToken&)            = delete;
+
+    WorkgroupToken (WorkgroupToken&&) noexcept        = default;
+
+    /** @internal */
+    WorkgroupToken& operator= (const WorkgroupToken&) = delete;
+
+    WorkgroupToken& operator= (WorkgroupToken&&)      = default;
+
+    /** Returns true if and only if getTokenProvider() returns non-null. */
+    explicit operator bool() const { return getTokenProvider() != nullptr; }
+
+    /** The result of this function can be compared to nullptr to check whether the token
+        successfully joined the calling thread to a workgroup.
+
+        Used in the implementation to provide platform-specific information about this token.
+    */
+    [[nodiscard]] const TokenProvider* getTokenProvider() const { return erased != nullptr ? erased() : nullptr; }
+
+    /** If this token was engaged by joining a workgroup, leaves that workgroup and disengages the token.
+
+        After this call, getTokenProvider() will return nullptr.
+    */
+    void reset() { erased = nullptr; }
+
+private:
+    Erased erased;
+};
+
+//==============================================================================
+/**
+    A handle to an audio workgroup, which is a collection of realtime threads
+    working together to produce audio by a common deadline.
+
+    You can use this class to join a real-time worker thread to a workgroup.
+    Rather than constructing instances of this class directly, you should use
+    functions like AudioProcessor::audioWorkgroupContextChanged() and
+    AudioIODevice::getWorkgroup() to fetch an engaged workgroup from the system.
+
+    The class contains a single method, join(). Call this from your real-time
+    thread to with register this workgroup.
+
+    Here's an example of how you might use this class:
+
+    @code
+    void Thread::run() override
+    {
+        WorkgroupToken token;
+
+        getWorkgroup().join (token);
+
+        while (! threadShouldExit())
+        {
+            // If the workgroup has changed, rejoin the workgroup with the same token
+            if (workgroupChanged())
+                getWorkgroup().join (token);
+
+            // Perform the work here
+        }
+    }
+    @endcode
+
+    @see Thread, AudioProcessor, WorkgroupToken
+
+    @tags{Audio}
+*/
+class AudioWorkgroup
+{
+public:
+    /** @internal */
+    class WorkgroupProvider;
+
+    /** @internal */
+    using Erased = FixedSizeFunction<64, const WorkgroupProvider*()>;
+
+    /** @internal
+
+        Creates an AudioWorkgroup from a function returning a WorkgroupProvider.
+    */
+    explicit AudioWorkgroup (Erased e) : erased (std::move (e)) {}
+
+    /** Move constructor. */
+    AudioWorkgroup (AudioWorkgroup&&) = default;
+
+    /** Move assignment operator. */
+    AudioWorkgroup& operator= (AudioWorkgroup&&) = default;
+
+    /** Copy constructor. */
+    AudioWorkgroup (const AudioWorkgroup&);
+
+    /** Copy assignment operator. */
+    AudioWorkgroup& operator= (const AudioWorkgroup& other)
+    {
+        AudioWorkgroup { other }.swap (*this);
+        return *this;
+    }
+
+    /** Constructs a disengaged handle that does not represent any workgroup. */
+    AudioWorkgroup() = default;
+
+    /**
+        This method attempts to join the calling thread to this workgroup.
+
+        If the join operation is successful, the token will be engaged, i.e. its
+        getTokenProvider() function will return non-null.
+
+        If the token is already engaged and represents a join to another workgroup,
+        the thread will leave that workgroup before joining the workgroup represented by this
+        object. If the 'token' is already engaged and is passed to the same workgroup, the method
+        will not perform any action.
+
+        It's important to note that the lifetime of the token should not exceed the lifetime
+        of the associated thread and must be destroyed on the same thread.
+    */
+    void join (WorkgroupToken& token) const;
+
+    /** Equality operator. */
+    bool operator== (const AudioWorkgroup& other) const;
+
+    /** Inequality operator. */
+    bool operator!= (const AudioWorkgroup& other) const { return ! operator== (other); }
+
+    /** Returns true if and only if this object represents a workgroup. */
+    explicit operator bool() const;
+
+    /** Disengages this instance so that it no longer represents a workgroup.
+
+        After this call, operator bool() will return false.
+    */
+    void reset() { erased = nullptr; }
+
+private:
+    const WorkgroupProvider* getWorkgroupProvider() const { return erased != nullptr ? erased() : nullptr; }
+
+    void swap (AudioWorkgroup& other) noexcept { std::swap (other.erased, erased); }
+
+    Erased erased;
+};
+
+} // namespace juce

modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp

@@ -682,6 +682,11 @@ void AudioDeviceManager::setCurrentAudioDeviceType (const String& type, bool tre
     }
 }
 
+AudioWorkgroup AudioDeviceManager::getDeviceAudioWorkgroup() const
+{
+    return currentAudioDevice != nullptr ? currentAudioDevice->getWorkgroup() : AudioWorkgroup{};
+}
+
 AudioIODeviceType* AudioDeviceManager::getCurrentDeviceTypeObject() const
 {
     for (auto* type : availableDeviceTypes)

modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h

@@ -262,6 +262,9 @@ public:
     */
     void setCurrentAudioDeviceType (const String& type, bool treatAsChosenDevice);
 
+    /** Returns the current audio device workgroup, if supported. */
+    AudioWorkgroup getDeviceAudioWorkgroup() const;
+
     /** Closes the currently-open device.
         You can call restartLastAudioDevice() later to reopen it in the same state
         that it was just in.

modules/juce_audio_devices/audio_io/juce_AudioIODevice.h

@@ -292,6 +292,8 @@ public:
     */
     virtual int getInputLatencyInSamples() = 0;
 
+    /** Returns the workgroup for this device. */
+    virtual AudioWorkgroup getWorkgroup() const { return {}; }
 
     //==============================================================================
     /** True if this device can show a pop-up control panel for editing its settings.

modules/juce_audio_devices/native/juce_Audio_ios.cpp

@@ -21,6 +21,8 @@
 */
 
 #include <juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h>
+#include <juce_audio_basics/native/juce_AudioWorkgroup_mac.h>
+
 
 namespace juce
 {
@@ -1065,6 +1067,19 @@ struct iOSAudioIODevice::Pimpl      : public AsyncUpdater
             }
         }
 
+       #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+        workgroup = [this]
+        {
+            UInt32 dataSize = sizeof (os_workgroup_t);
+            os_workgroup_t wgHandle = nullptr;
+
+            AudioUnitGetProperty (audioUnit, kAudioOutputUnitProperty_OSWorkgroup,
+                                  kAudioUnitScope_Global, 0, &wgHandle, &dataSize);
+
+            return makeRealAudioWorkgroup (wgHandle);
+        }();
+       #endif
+
         AudioUnitAddPropertyListener (audioUnit, kAudioUnitProperty_StreamFormat, dispatchAudioUnitPropertyChange, this);
 
         return true;
@@ -1373,6 +1388,7 @@ struct iOSAudioIODevice::Pimpl      : public AsyncUpdater
     Atomic<bool> hardwareInfoNeedsUpdating { true };
 
     AudioUnit audioUnit {};
+    AudioWorkgroup workgroup;
 
     SharedResourcePointer<AudioSessionHolder> sessionHolder;
 
@@ -1429,6 +1445,7 @@ BigInteger iOSAudioIODevice::getActiveOutputChannels() const        { return pim
 int iOSAudioIODevice::getInputLatencyInSamples()                    { return roundToInt (pimpl->sampleRate * [AVAudioSession sharedInstance].inputLatency); }
 int iOSAudioIODevice::getOutputLatencyInSamples()                   { return roundToInt (pimpl->sampleRate * [AVAudioSession sharedInstance].outputLatency); }
 int iOSAudioIODevice::getXRunCount() const noexcept                 { return pimpl->xrun; }
+AudioWorkgroup iOSAudioIODevice::getWorkgroup() const               { return pimpl->workgroup; }
 
 void iOSAudioIODevice::setMidiMessageCollector (MidiMessageCollector* collector) { pimpl->messageCollector = collector; }
 AudioPlayHead* iOSAudioIODevice::getAudioPlayHead() const           { return &pimpl->playhead; }

modules/juce_audio_devices/native/juce_Audio_ios.h

@@ -64,6 +64,8 @@ public:
 
     int getXRunCount() const noexcept override;
 
+    AudioWorkgroup getWorkgroup() const override;
+
     //==============================================================================
     void setMidiMessageCollector (MidiMessageCollector*);
     AudioPlayHead* getAudioPlayHead() const;

modules/juce_audio_devices/native/juce_CoreAudio_mac.cpp

@@ -21,6 +21,7 @@
 */
 
 #include <juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h>
+#include <juce_audio_basics/native/juce_AudioWorkgroup_mac.h>
 
 namespace juce
 {
@@ -465,6 +466,18 @@ public:
 
         auto newBitDepth = jmax (getBitDepth (newInput), getBitDepth (newOutput));
 
+       #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+        audioWorkgroup = [=]() -> AudioWorkgroup
+        {
+            AudioObjectPropertyAddress pa;
+            pa.mSelector = kAudioDevicePropertyIOThreadOSWorkgroup;
+            pa.mScope    = kAudioObjectPropertyScopeWildcard;
+            pa.mElement  = juceAudioObjectPropertyElementMain;
+
+            return makeRealAudioWorkgroup (audioObjectGetProperty<os_workgroup_t> (deviceID, pa).value_or (nullptr));
+        }();
+       #endif
+
         {
             const ScopedLock sl (callbackLock);
 
@@ -777,11 +790,15 @@ public:
 
             const auto* timeStamp = numOutputChans > 0 ? outputTimestamp : inputTimestamp;
             const auto nanos = timeStamp != nullptr ? timeConversions.hostTimeToNanos (timeStamp->mHostTime) : 0;
+            const AudioIODeviceCallbackContext context
+            {
+                timeStamp != nullptr ? &nanos : nullptr,
+            };
 
             callback->audioDeviceIOCallbackWithContext (getTempBuffers (inStream),  numInputChans,
                                                         getTempBuffers (outStream), numOutputChans,
                                                         bufferSize,
-                                                        { timeStamp != nullptr ? &nanos : nullptr });
+                                                        context);
 
             for (int i = numOutputChans; --i >= 0;)
             {
@@ -1025,6 +1042,8 @@ public:
     AudioDeviceID deviceID;
     std::unique_ptr<Stream> inStream, outStream;
 
+    AudioWorkgroup audioWorkgroup;
+
 private:
     class ScopedAudioDeviceIOProcID
     {
@@ -1319,6 +1338,11 @@ public:
         return stopAndGetLastCallback();
     }
 
+    AudioWorkgroup getWorkgroup() const override
+    {
+        return internal->audioWorkgroup;
+    }
+
     bool isPlaying() override
     {
         return internal->isPlaying();
@@ -1514,6 +1538,11 @@ public:
         return size;
     }
 
+    AudioWorkgroup getWorkgroup() const override
+    {
+        return inputWrapper.getWorkgroup();
+    }
+
     String open (const BigInteger& inputChannels,
                  const BigInteger& outputChannels,
                  double sampleRate, int bufferSize) override
@@ -1997,6 +2026,7 @@ private:
         void start (AudioIODeviceCallback* callbackToNotify)      const { return device->start (callbackToNotify); }
         AudioIODeviceCallback* stopInternal()                     const { return device->stopInternal(); }
         void close()                                              const { return device->close(); }
+        AudioWorkgroup getWorkgroup()                             const { return device->getWorkgroup(); }
 
         String open (const BigInteger& inputChannels, const BigInteger& outputChannels, double sampleRate, int bufferSizeSamples) const
         {

modules/juce_audio_plugin_client/juce_audio_plugin_client_AU_1.mm

@@ -63,6 +63,7 @@ JUCE_END_IGNORE_WARNINGS_GCC_LIKE
 
 #include <juce_audio_basics/native/juce_CoreAudioLayouts_mac.h>
 #include <juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h>
+#include <juce_audio_basics/native/juce_AudioWorkgroup_mac.h>
 #include <juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp>
 #include <juce_audio_processors/format_types/juce_AU_Shared.h>
 
@@ -403,6 +404,13 @@ public:
                     return noErr;
                #endif
 
+               #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+                case kAudioUnitProperty_RenderContextObserver:
+                    outWritable = false;
+                    outDataSize = sizeof (AURenderContextObserver);
+                    return noErr;
+               #endif
+
               #if JucePlugin_ProducesMidiOutput || JucePlugin_IsMidiEffect
                 case kAudioUnitProperty_MIDIOutputCallbackInfo:
                     outDataSize = sizeof (CFArrayRef);
@@ -573,6 +581,22 @@ public:
                 }
                #endif
 
+               #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+                case kAudioUnitProperty_RenderContextObserver:
+                {
+                    if (auto* ptr = (AURenderContextObserver*) outData)
+                    {
+                        *ptr = ^(const AudioUnitRenderContext* context)
+                        {
+                            if (juceFilter)
+                                juceFilter->audioWorkgroupContextChanged (makeRealAudioWorkgroup (context != nullptr ? context->workgroup : nullptr));
+                        };
+
+                        return noErr;
+                    }
+                }
+               #endif
+
                #if JucePlugin_ProducesMidiOutput || JucePlugin_IsMidiEffect
                 case kAudioUnitProperty_MIDIOutputCallbackInfo:
                 {
@@ -647,6 +671,7 @@ public:
                                  const void* inData,
                                  UInt32 inDataSize) override
     {
+
         if (inScope == kAudioUnitScope_Global)
         {
             switch (inID)

modules/juce_audio_plugin_client/juce_audio_plugin_client_AUv3.mm

@@ -48,6 +48,7 @@
 #include <juce_graphics/native/juce_CoreGraphicsHelpers_mac.h>
 #include <juce_audio_basics/native/juce_CoreAudioLayouts_mac.h>
 #include <juce_audio_basics/native/juce_CoreAudioTimeConversions_mac.h>
+#include <juce_audio_basics/native/juce_AudioWorkgroup_mac.h>
 #include <juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp>
 #include <juce_audio_processors/format_types/juce_AU_Shared.h>
 
@@ -94,6 +95,11 @@ private:
     AudioProcessorHolder& operator= (AudioProcessorHolder&) = delete;
 };
 
+#if ! JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+ struct AudioUnitRenderContext;
+ typedef void (^AURenderContextObserver) (const AudioUnitRenderContext*);
+#endif
+
 //==============================================================================
 //=========================== The actual AudioUnit =============================
 //==============================================================================
@@ -187,6 +193,15 @@ public:
 
         internalRenderBlock = CreateObjCBlock (this, &JuceAudioUnitv3::renderCallback);
 
+       #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+        renderContextObserver = ^(const AudioUnitRenderContext* context)
+        {
+            getAudioProcessor().audioWorkgroupContextChanged (makeRealAudioWorkgroup (context->workgroup));
+        };
+       #else
+        renderContextObserver = ^(const AudioUnitRenderContext*) {};
+       #endif
+
         processor.setRateAndBufferSizeDetails (kDefaultSampleRate, static_cast<int> (maxFrames));
         processor.prepareToPlay (kDefaultSampleRate, static_cast<int> (maxFrames));
         processor.addListener (this);
@@ -312,9 +327,9 @@ public:
     }
 
     //==============================================================================
-    AUAudioUnitBusArray* getInputBusses()             const { return inputBusses.get();  }
-    AUAudioUnitBusArray* getOutputBusses()            const { return outputBusses.get(); }
-    NSArray<NSNumber*>* getChannelCapabilities()      const { return channelCapabilities.get(); }
+    AUAudioUnitBusArray* getInputBusses()                const { return inputBusses.get();  }
+    AUAudioUnitBusArray* getOutputBusses()               const { return outputBusses.get(); }
+    NSArray<NSNumber*>* getChannelCapabilities()         const { return channelCapabilities.get(); }
 
     bool shouldChangeToFormat (AVAudioFormat* format, AUAudioUnitBus* auBus)
     {
@@ -383,8 +398,10 @@ public:
     }
 
     //==============================================================================
-    AUInternalRenderBlock getInternalRenderBlock() const  { return internalRenderBlock; }
-    bool getRenderingOffline()                     const  { return getAudioProcessor().isNonRealtime(); }
+    AUInternalRenderBlock   getInternalRenderBlock()      const { return internalRenderBlock; }
+    AURenderContextObserver getInternalContextObserver()  const { return renderContextObserver; }
+
+    bool getRenderingOffline()                            const { return getAudioProcessor().isNonRealtime(); }
     void setRenderingOffline (bool offline)
     {
         auto& processor = getAudioProcessor();
@@ -842,7 +859,11 @@ private:
 
             //==============================================================================
             addMethod (@selector (contextName),                             [] (id self, SEL)                                                   { return _this (self)->getContextName(); });
-            addMethod (@selector (setContextName:),                         [](id self, SEL, NSString* str)                                     { return _this (self)->setContextName (str); });
+            addMethod (@selector (setContextName:),                         [] (id self, SEL, NSString* str)                                    { return _this (self)->setContextName (str); });
+
+           #if JUCE_AUDIOWORKGROUP_TYPES_AVAILABLE
+            addMethod (@selector (renderContextObserver),                   [] (id self, SEL)                                                   { return _this (self)->getInternalContextObserver(); });
+           #endif
 
             //==============================================================================
             if (@available (macOS 10.13, iOS 11.0, *))
@@ -1731,6 +1752,7 @@ private:
     FactoryPresets factoryPresets;
 
     ObjCBlock<AUInternalRenderBlock> internalRenderBlock;
+    ObjCBlock<AURenderContextObserver> renderContextObserver;
 
     AudioUnitHelpers::CoreAudioBufferList audioBuffer;
     AudioUnitHelpers::ChannelRemapper mapper;

modules/juce_audio_processors/processors/juce_AudioProcessor.h

@@ -1177,6 +1177,16 @@ public:
     */
     void setRateAndBufferSizeDetails (double sampleRate, int blockSize) noexcept;
 
+    /** This is called by the host when the thread workgroup context has changed.
+
+        This will only be called on the audio thread, so you can join the audio workgroup
+        in your implementation of this function.
+
+        You can use this workgroup id to synchronise any real-time threads you have.
+        Note: This is currently only called on Apple devices.
+    */
+    virtual void audioWorkgroupContextChanged ([[maybe_unused]] const AudioWorkgroup& workgroup) {}
+
     //==============================================================================
     /** Returns a reference to an object that implements AAX specific information regarding
         this AudioProcessor.

modules/juce_audio_utils/players/juce_AudioProcessorPlayer.cpp

@@ -172,6 +172,7 @@ void AudioProcessorPlayer::setProcessor (AudioProcessor* const processorToPlay)
         return;
 
     sampleCount = 0;
+    currentWorkgroup.reset();
 
     if (processorToPlay != nullptr && sampleRate > 0 && blockSize > 0)
     {
@@ -190,6 +191,7 @@ void AudioProcessorPlayer::setProcessor (AudioProcessor* const processorToPlay)
 
         processorToPlay->setProcessingPrecision (supportsDouble ? AudioProcessor::doublePrecision
                                                                 : AudioProcessor::singlePrecision);
+
         processorToPlay->prepareToPlay (sampleRate, blockSize);
     }
 
@@ -210,6 +212,8 @@ void AudioProcessorPlayer::setDoublePrecisionProcessing (bool doublePrecision)
     {
         const ScopedLock sl (lock);
 
+        currentWorkgroup.reset();
+
         if (processor != nullptr)
         {
             processor->releaseResources();
@@ -218,6 +222,7 @@ void AudioProcessorPlayer::setDoublePrecisionProcessing (bool doublePrecision)
 
             processor->setProcessingPrecision (supportsDouble ? AudioProcessor::doublePrecision
                                                               : AudioProcessor::singlePrecision);
+
             processor->prepareToPlay (sampleRate, blockSize);
         }
 
@@ -244,6 +249,8 @@ void AudioProcessorPlayer::audioDeviceIOCallbackWithContext (const float* const*
 {
     const ScopedLock sl (lock);
 
+    jassert (currentDevice != nullptr);
+
     // These should have been prepared by audioDeviceAboutToStart()...
     jassert (sampleRate > 0 && blockSize > 0);
 
@@ -269,6 +276,9 @@ void AudioProcessorPlayer::audioDeviceIOCallbackWithContext (const float* const*
 
         const ScopedLock sl2 (processor->getCallbackLock());
 
+        if (std::exchange (currentWorkgroup, currentDevice->getWorkgroup()) != currentDevice->getWorkgroup())
+            processor->audioWorkgroupContextChanged (currentWorkgroup);
+
         class PlayHead : private AudioPlayHead
         {
         public:
@@ -352,6 +362,7 @@ void AudioProcessorPlayer::audioDeviceIOCallbackWithContext (const float* const*
 
 void AudioProcessorPlayer::audioDeviceAboutToStart (AudioIODevice* const device)
 {
+    currentDevice = device;
     auto newSampleRate = device->getCurrentSampleRate();
     auto newBlockSize  = device->getCurrentBufferSizeSamples();
     auto numChansIn    = device->getActiveInputChannels().countNumberOfSetBits();
@@ -367,6 +378,8 @@ void AudioProcessorPlayer::audioDeviceAboutToStart (AudioIODevice* const device)
 
     messageCollector.reset (sampleRate);
 
+    currentWorkgroup.reset();
+
     if (processor != nullptr)
     {
         if (isPrepared)
@@ -389,6 +402,9 @@ void AudioProcessorPlayer::audioDeviceStopped()
     blockSize = 0;
     isPrepared = false;
     tempBuffer.setSize (1, 1);
+
+    currentDevice = nullptr;
+    currentWorkgroup.reset();
 }
 
 void AudioProcessorPlayer::handleIncomingMidiMessage (MidiInput*, const MidiMessage& message)

modules/juce_audio_utils/players/juce_AudioProcessorPlayer.h

@@ -139,6 +139,9 @@ private:
     MidiOutput* midiOutput = nullptr;
     uint64_t sampleCount = 0;
 
+    AudioIODevice* currentDevice = nullptr;
+    AudioWorkgroup currentWorkgroup;
+
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioProcessorPlayer)
 };
 

modules/juce_dsp/containers/juce_FixedSizeFunction.h → modules/juce_core/containers/juce_FixedSizeFunction.h

@@ -25,8 +25,6 @@
 
 namespace juce
 {
-namespace dsp
-{
 
 #ifndef DOXYGEN
 
@@ -237,5 +235,4 @@ template <size_t len, typename T>
 bool operator== (std::nullptr_t, const FixedSizeFunction<len, T>& fn) { return ! (fn != nullptr); }
 
 
-}
-}
+}

modules/juce_dsp/containers/juce_FixedSizeFunction_test.cpp → modules/juce_core/containers/juce_FixedSizeFunction_test.cpp

@@ -31,8 +31,6 @@
 
 namespace juce
 {
-namespace dsp
-{
 namespace
 {
 
@@ -97,7 +95,7 @@ class FixedSizeFunctionTest  : public UnitTest
 
 public:
     FixedSizeFunctionTest()
-        : UnitTest ("Fixed Size Function", UnitTestCategories::dsp)
+        : UnitTest ("Fixed Size Function", UnitTestCategories::containers)
     {}
 
     void runTest() override
@@ -349,7 +347,6 @@ public:
 
 FixedSizeFunctionTest fixedSizedFunctionTest;
 
-}
 }
 }
 #undef JUCE_FAIL_ON_ALLOCATION_IN_SCOPE

modules/juce_core/juce_core.cpp

@@ -280,6 +280,7 @@
  #include "containers/juce_Optional_test.cpp"
  #include "maths/juce_MathsFunctions_test.cpp"
  #include "misc/juce_EnumHelpers_test.cpp"
+ #include "containers/juce_FixedSizeFunction_test.cpp"
 #endif
 
 //==============================================================================

modules/juce_core/juce_core.h

@@ -286,6 +286,7 @@ JUCE_END_IGNORE_WARNINGS_MSVC
 #include "containers/juce_NamedValueSet.h"
 #include "containers/juce_DynamicObject.h"
 #include "containers/juce_HashMap.h"
+#include "containers/juce_FixedSizeFunction.h"
 #include "time/juce_RelativeTime.h"
 #include "time/juce_Time.h"
 #include "streams/juce_InputStream.h"

modules/juce_core/threads/juce_Thread.h

@@ -111,6 +111,25 @@ public:
             return withMember (*this, &RealtimeOptions::maximumProcessingTimeMs, newMaximumProcessingTimeMs);
         }
 
+        /** Specify the maximum amount of processing time required each time the thread wakes up.
+
+            This is identical to 'withMaximumProcessingTimeMs' except it calculates the processing time
+            from a sample rate and block size. This is useful if you want to run this thread in parallel
+            to an audio device thread.
+
+            Only used by macOS/iOS.
+
+            @see withMaximumProcessingTimeMs, AudioWorkgroup, ScopedWorkgroupToken
+        */
+        [[nodiscard]] RealtimeOptions withApproximateAudioProcessingTime (int samplesPerFrame, double sampleRate) const
+        {
+            jassert (samplesPerFrame > 0);
+            jassert (sampleRate > 0.0);
+
+            const auto approxFrameTimeMs = (samplesPerFrame / sampleRate) * 1000.0;
+            return withMaximumProcessingTimeMs (approxFrameTimeMs);
+        }
+
         /** Specify the approximate amount of time between each thread wake up.
 
             Alternatively call withPeriodHz().

modules/juce_dsp/juce_dsp.cpp

@@ -101,7 +101,6 @@
  #endif
 
  #include "containers/juce_AudioBlock_test.cpp"
- #include "containers/juce_FixedSizeFunction_test.cpp"
  #include "frequency/juce_Convolution_test.cpp"
  #include "frequency/juce_FFT_test.cpp"
  #include "processors/juce_FIRFilter_test.cpp"

modules/juce_dsp/juce_dsp.h

@@ -195,6 +195,9 @@ namespace juce
         template <typename Type>
         using Complex = std::complex<Type>;
 
+        template <size_t len, typename T>
+        using FixedSizeFunction = juce::FixedSizeFunction<len, T>;
+
         //==============================================================================
         namespace util
         {
@@ -246,7 +249,6 @@ namespace juce
 #include "maths/juce_LookupTable.h"
 #include "maths/juce_LogRampedValue.h"
 #include "containers/juce_AudioBlock.h"
-#include "containers/juce_FixedSizeFunction.h"
 #include "processors/juce_ProcessContext.h"
 #include "processors/juce_ProcessorWrapper.h"
 #include "processors/juce_ProcessorChain.h"