Android: Update Oboe to 1.9.0

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

@@ -313,6 +313,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -321,6 +323,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"
@@ -2895,6 +2899,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -2903,6 +2909,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"

examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj

@@ -473,6 +473,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -485,6 +488,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3367,10 +3373,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1162,6 +1162,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1174,6 +1177,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4554,6 +4560,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4566,6 +4575,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj

@@ -473,6 +473,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -485,6 +488,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3367,10 +3373,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1162,6 +1162,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1174,6 +1177,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4554,6 +4560,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4566,6 +4575,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

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

@@ -268,6 +268,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -276,6 +278,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"
@@ -2533,6 +2537,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -2541,6 +2547,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"

extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj

@@ -433,6 +433,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -445,6 +448,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2939,10 +2945,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -979,6 +979,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -991,6 +994,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -3912,6 +3918,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -3924,6 +3933,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

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

@@ -301,6 +301,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -309,6 +311,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"
@@ -2719,6 +2723,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -2727,6 +2733,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"

extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj

@@ -441,6 +441,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -453,6 +456,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3119,10 +3125,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1054,6 +1054,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1066,6 +1069,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4188,6 +4194,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4200,6 +4209,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj

@@ -441,6 +441,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -453,6 +456,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3119,10 +3125,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1054,6 +1054,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1066,6 +1069,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4188,6 +4194,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4200,6 +4209,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

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

@@ -272,6 +272,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -280,6 +282,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"
@@ -2617,6 +2621,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI24.cpp"
@@ -2625,6 +2631,8 @@ set_source_files_properties(
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI32.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceFloat.h"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp"
+    "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.cpp"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI16.h"
     "../../../../../modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI24.cpp"

extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj

@@ -433,6 +433,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -445,6 +448,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3030,10 +3036,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1009,6 +1009,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1021,6 +1024,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4053,6 +4059,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4065,6 +4074,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj

@@ -449,6 +449,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -461,6 +464,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3215,10 +3221,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters

@@ -1075,6 +1075,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1087,6 +1090,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4302,6 +4308,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4314,6 +4323,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj

@@ -449,6 +449,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -461,6 +464,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3215,10 +3221,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters

@@ -1075,6 +1075,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1087,6 +1090,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4302,6 +4308,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4314,6 +4323,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_DynamicLibrary.vcxproj

@@ -432,6 +432,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -444,6 +447,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3006,10 +3012,12 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\RampLinear.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SampleRateConverter.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI32.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI24.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI32.h"/>

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

@@ -1006,6 +1006,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -1018,6 +1021,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.cpp">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.cpp">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClCompile>
@@ -4020,6 +4026,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SinkI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
@@ -4032,6 +4041,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceFloat.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI8_24.h">
+      <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_audio_devices\native\oboe\src\flowgraph\SourceI16.h">
       <Filter>JUCE Modules\juce_audio_devices\native\oboe\src\flowgraph</Filter>
     </ClInclude>

modules/juce_audio_devices/native/oboe/CMakeLists.txt

@@ -45,10 +45,12 @@ set (oboe_sources
     src/flowgraph/SinkI16.cpp
     src/flowgraph/SinkI24.cpp
     src/flowgraph/SinkI32.cpp
+    src/flowgraph/SinkI8_24.cpp
     src/flowgraph/SourceFloat.cpp
     src/flowgraph/SourceI16.cpp
     src/flowgraph/SourceI24.cpp
     src/flowgraph/SourceI32.cpp
+    src/flowgraph/SourceI8_24.cpp
     src/flowgraph/resampler/IntegerRatio.cpp
     src/flowgraph/resampler/LinearResampler.cpp
     src/flowgraph/resampler/MultiChannelResampler.cpp
@@ -76,20 +78,19 @@ target_include_directories(oboe
         PRIVATE src
         PUBLIC include)
 
-# JUCE CHANGE STARTS HERE
+# Compile Flags:
-
+#     Enable -Werror when building debug config
-# This comment provided for Apache License compliance. We've removed the extra warnings flags and
+#     Enable -Ofast
-# the `-Werror` option, to avoid cases where compilers produce unexpected errors and fail the build.
-# We've also removed the explicit `-std=c++17` compile option, and replaced it with a more
-# cmake-friendly way of specifying the language standard.
-
 target_compile_options(oboe
         PRIVATE
+        -std=c++17
+        -Wall
+        -Wextra-semi
+        -Wshadow
+        -Wshadow-field
         "$<$<CONFIG:RELEASE>:-Ofast>"
-        "$<$<CONFIG:DEBUG>:-O3>")
+        "$<$<CONFIG:DEBUG>:-O3>"
-target_compile_features(oboe PRIVATE cxx_std_17)
+        "$<$<CONFIG:DEBUG>:-Werror>")
-
-# JUCE CHANGE ENDS HERE
 
 # Enable logging of D,V for debug builds
 target_compile_definitions(oboe PUBLIC $<$<CONFIG:DEBUG>:OBOE_ENABLE_LOGGING=1>)

modules/juce_audio_devices/native/oboe/README.md

@@ -1,7 +1,7 @@
 The files in this directory are reproduced from the official Oboe repository, which can be found at
 github.com/google/oboe.
 
-These files are from tag 1.8.0 (987538b).
+These files are from tag 1.9.0 (03242e9ef9495e418e6ae83954d239dc9193ec5c).
 
 We've included only those parts of the original repository which are required to build the Oboe
 library. Documentation, samples, tests, and other non-library items have been omitted.

modules/juce_audio_devices/native/oboe/include/oboe/AudioStream.h

@@ -54,7 +54,7 @@ public:
      */
     explicit AudioStream(const AudioStreamBuilder &builder);
 
-    virtual ~AudioStream() = default;
+    virtual ~AudioStream();
 
     /**
      * Open a stream based on the current settings.
@@ -194,6 +194,13 @@ public:
     *
     * This cannot be set higher than getBufferCapacity().
     *
+    * This should only be used with Output streams. It will
+    * be ignored for Input streams because they are generally kept as empty as possible.
+    *
+    * For OpenSL ES, this method only has an effect on output stream that do NOT
+    * use a callback. The blocking writes goes into a buffer in Oboe and the size of that
+    * buffer is controlled by this method.
+    *
     * @param requestedFrames requested number of frames that can be filled without blocking
     * @return the resulting buffer size in frames (obtained using value()) or an error (obtained
     * using error())
@@ -622,7 +629,7 @@ protected:
      * This may be called internally at the end of a callback.
      * @param numFrames passed to the callback
      */
-    virtual void endPerformanceHintInCallback(int32_t numFrames) {}
+    virtual void endPerformanceHintInCallback(int32_t /*numFrames*/) {}
 
     /**
      * This will be called when the stream is closed just in case performance hints were enabled.

modules/juce_audio_devices/native/oboe/include/oboe/AudioStreamBase.h

@@ -307,7 +307,7 @@ protected:
     // Control whether Oboe can convert data formats to achieve optimal results.
     bool                            mFormatConversionAllowed = false;
     // Control whether and how Oboe can convert sample rates to achieve optimal results.
-    SampleRateConversionQuality     mSampleRateConversionQuality = SampleRateConversionQuality::None;
+    SampleRateConversionQuality     mSampleRateConversionQuality = SampleRateConversionQuality::Medium;
 
     /** Validate stream parameters that might not be checked in lower layers */
     virtual Result isValidConfig() {

modules/juce_audio_devices/native/oboe/include/oboe/AudioStreamBuilder.h

@@ -466,6 +466,10 @@ public:
      * It can also occur if the audio service fails or if an exclusive stream is stolen by
      * another stream.
      * 
+     * Note that error callbacks will only be called when a data callback has been specified
+     * and the stream is started. If you are not using a data callback then the read(), write()
+     * and requestStart() methods will return errors if the stream is disconnected.
+     *
      * <strong>Important: See AudioStreamCallback for restrictions on what may be called
      * from the callback methods.</strong>
      *
@@ -556,7 +560,7 @@ public:
      *
      * If you do the conversion in Oboe then you might still get a low latency stream.
      *
-     * Default is SampleRateConversionQuality::None
+     * Default is SampleRateConversionQuality::Medium
      */
     AudioStreamBuilder *setSampleRateConversionQuality(SampleRateConversionQuality quality) {
         mSampleRateConversionQuality = quality;
@@ -647,6 +651,14 @@ public:
 
 private:
 
+    /**
+     * Use this internally to implement opening with a shared_ptr.
+     *
+     * @param stream pointer to a variable to receive the stream address
+     * @return OBOE_OK if successful or a negative error code.
+     */
+    Result openStreamInternal(AudioStream **streamPP);
+
     /**
      * @param other
      * @return true if channels, format and sample rate match

modules/juce_audio_devices/native/oboe/include/oboe/AudioStreamCallback.h

@@ -48,7 +48,8 @@ public:
      * write() on the stream that is making the callback.
      *
      * Note that numFrames can vary unless AudioStreamBuilder::setFramesPerCallback()
-     * is called.
+     * is called. If AudioStreamBuilder::setFramesPerCallback() is NOT called then
+     * numFrames should always be <= AudioStream::getFramesPerBurst().
      *
      * Also note that this callback function should be considered a "real-time" function.
      * It must not do anything that could cause an unbounded delay because that can cause the

modules/juce_audio_devices/native/oboe/include/oboe/FullDuplexStream.h

@@ -177,7 +177,7 @@ public:
      *
      */
     DataCallbackResult onAudioReady(
-            AudioStream *audioStream,
+            AudioStream * /*audioStream*/,
             void *audioData,
             int numFrames) {
         DataCallbackResult callbackResult = DataCallbackResult::Continue;

modules/juce_audio_devices/native/oboe/include/oboe/Version.h

@@ -34,7 +34,7 @@
 #define OBOE_VERSION_MAJOR 1
 
 // Type: 8-bit unsigned int. Min value: 0 Max value: 255. See below for description.
-#define OBOE_VERSION_MINOR 8
+#define OBOE_VERSION_MINOR 9
 
 // Type: 16-bit unsigned int. Min value: 0 Max value: 65535. See below for description.
 #define OBOE_VERSION_PATCH 0

modules/juce_audio_devices/native/oboe/src/aaudio/AAudioExtensions.h

@@ -89,7 +89,7 @@ public:
         if (loadSymbols()) return false;
         if (mAAudio_getMMapPolicy == nullptr) return false;
         int32_t policy = mAAudio_getMMapPolicy();
-        return isPolicyEnabled(policy);
+        return (policy == Unspecified) ? mMMapSupported : isPolicyEnabled(policy);
     }
 
     bool isMMapSupported() {

modules/juce_audio_devices/native/oboe/src/aaudio/AudioStreamAAudio.cpp

@@ -60,9 +60,13 @@ static aaudio_data_callback_result_t oboe_aaudio_data_callback_proc(
 // This runs in its own thread.
 // Only one of these threads will be launched from internalErrorCallback().
 // It calls app error callbacks from a static function in case the stream gets deleted.
-static void oboe_aaudio_error_thread_proc(AudioStreamAAudio *oboeStream,
+static void oboe_aaudio_error_thread_proc_common(AudioStreamAAudio *oboeStream,
                                           Result error) {
-    LOGD("%s(,%d) - entering >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>", __func__, error);
+#if 0
+    LOGE("%s() sleep for 5 seconds", __func__);
+    usleep(5*1000*1000);
+    LOGD("%s() - woke up -------------------------", __func__);
+#endif
     AudioStreamErrorCallback *errorCallback = oboeStream->getErrorCallback();
     if (errorCallback == nullptr) return; // should be impossible
     bool isErrorHandled = errorCallback->onError(oboeStream, error);
@@ -74,16 +78,24 @@ static void oboe_aaudio_error_thread_proc(AudioStreamAAudio *oboeStream,
         // Warning, oboeStream may get deleted by this callback.
         errorCallback->onErrorAfterClose(oboeStream, error);
     }
+}
+
+// Callback thread for raw pointers.
+static void oboe_aaudio_error_thread_proc(AudioStreamAAudio *oboeStream,
+                                          Result error) {
+    LOGD("%s(,%d) - entering >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>", __func__, error);
+    oboe_aaudio_error_thread_proc_common(oboeStream, error);
     LOGD("%s() - exiting <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<", __func__);
 }
 
-// This runs in its own thread.
+// Callback thread for shared pointers.
-// Only one of these threads will be launched from internalErrorCallback().
-// Prevents deletion of the stream if the app is using AudioStreamBuilder::openSharedStream()
 static void oboe_aaudio_error_thread_proc_shared(std::shared_ptr<AudioStream> sharedStream,
                                           Result error) {
+    LOGD("%s(,%d) - entering >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>", __func__, error);
+    // Hold the shared pointer while we use the raw pointer.
     AudioStreamAAudio *oboeStream = reinterpret_cast<AudioStreamAAudio*>(sharedStream.get());
-    oboe_aaudio_error_thread_proc(oboeStream, error);
+    oboe_aaudio_error_thread_proc_common(oboeStream, error);
+    LOGD("%s() - exiting <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<", __func__);
 }
 
 namespace oboe {
@@ -528,7 +540,7 @@ DataCallbackResult AudioStreamAAudio::callOnAudioReady(AAudioStream * /*stream*/
         if (result == DataCallbackResult::Stop) {
             LOGD("Oboe callback returned DataCallbackResult::Stop");
         } else {
-            LOGE("Oboe callback returned unexpected value = %d", result);
+            LOGE("Oboe callback returned unexpected value. Error: %d", static_cast<int>(result));
         }
 
         // Returning Stop caused various problems before S. See #1230

modules/juce_audio_devices/native/oboe/src/common/AudioStream.cpp

@@ -30,6 +30,12 @@ namespace oboe {
  */
 AudioStream::AudioStream(const AudioStreamBuilder &builder)
         : AudioStreamBase(builder) {
+    LOGD("Constructor for AudioStream at %p", this);
+}
+
+AudioStream::~AudioStream() {
+    // This is to help debug use after free bugs.
+    LOGD("Destructor for AudioStream at %p", this);
 }
 
 Result AudioStream::close() {
@@ -113,8 +119,12 @@ Result AudioStream::start(int64_t timeoutNanoseconds)
     Result result = requestStart();
     if (result != Result::OK) return result;
     if (timeoutNanoseconds <= 0) return result;
-    return waitForStateTransition(StreamState::Starting,
+    result = waitForStateTransition(StreamState::Starting,
                                   StreamState::Started, timeoutNanoseconds);
+    if (result != Result::OK) {
+        LOGE("AudioStream::%s() timed out before moving from STARTING to STARTED", __func__);
+    }
+    return result;
 }
 
 Result AudioStream::pause(int64_t timeoutNanoseconds)

modules/juce_audio_devices/native/oboe/src/common/AudioStreamBuilder.cpp

@@ -89,9 +89,14 @@ bool AudioStreamBuilder::isCompatible(AudioStreamBase &other) {
 }
 
 Result AudioStreamBuilder::openStream(AudioStream **streamPP) {
+    LOGW("Passing AudioStream pointer deprecated, Use openStream(std::shared_ptr<oboe::AudioStream> &stream) instead.");
+    return openStreamInternal(streamPP);
+}
+
+Result AudioStreamBuilder::openStreamInternal(AudioStream **streamPP) {
     auto result = isValidConfig();
     if (result != Result::OK) {
-        LOGW("%s() invalid config %d", __func__, result);
+        LOGW("%s() invalid config. Error %s", __func__, oboe::convertToText(result));
         return result;
     }
 
@@ -112,7 +117,7 @@ Result AudioStreamBuilder::openStream(AudioStream **streamPP) {
     // Do we need to make a child stream and convert.
     if (conversionNeeded) {
         AudioStream *tempStream;
-        result = childBuilder.openStream(&tempStream);
+        result = childBuilder.openStreamInternal(&tempStream);
         if (result != Result::OK) {
             return result;
         }
@@ -139,7 +144,9 @@ Result AudioStreamBuilder::openStream(AudioStream **streamPP) {
 
             // Use childStream in a FilterAudioStream.
             LOGI("%s() create a FilterAudioStream for data conversion.", __func__);
-            FilterAudioStream *filterStream = new FilterAudioStream(parentBuilder, tempStream);
+            std::shared_ptr<AudioStream> childStream(tempStream);
+            FilterAudioStream *filterStream = new FilterAudioStream(parentBuilder, childStream);
+            childStream->setWeakThis(childStream);
             result = filterStream->configureFlowGraph();
             if (result !=  Result::OK) {
                 filterStream->close();
@@ -202,6 +209,7 @@ Result AudioStreamBuilder::openStream(AudioStream **streamPP) {
 }
 
 Result AudioStreamBuilder::openManagedStream(oboe::ManagedStream &stream) {
+    LOGW("`openManagedStream` is deprecated. Use openStream(std::shared_ptr<oboe::AudioStream> &stream) instead.");
     stream.reset();
     AudioStream *streamptr;
     auto result = openStream(&streamptr);
@@ -212,7 +220,7 @@ Result AudioStreamBuilder::openManagedStream(oboe::ManagedStream &stream) {
 Result AudioStreamBuilder::openStream(std::shared_ptr<AudioStream> &sharedStream) {
     sharedStream.reset();
     AudioStream *streamptr;
-    auto result = openStream(&streamptr);
+    auto result = openStreamInternal(&streamptr);
     if (result == Result::OK) {
         sharedStream.reset(streamptr);
         // Save a weak_ptr in the stream for use with callbacks.

modules/juce_audio_devices/native/oboe/src/common/DataConversionFlowGraph.cpp

@@ -92,14 +92,14 @@ Result DataConversionFlowGraph::configure(AudioStream *sourceStream, AudioStream
     int32_t sinkSampleRate = sinkStream->getSampleRate();
     int32_t sinkFramesPerCallback = sinkStream->getFramesPerDataCallback();
 
-    LOGI("%s() flowgraph converts channels: %d to %d, format: %d to %d"
+    LOGI("%s() flowgraph converts channels: %d to %d, format: %s to %s"
-         ", rate: %d to %d, cbsize: %d to %d, qual = %d",
+            ", rate: %d to %d, cbsize: %d to %d, qual = %s",
             __func__,
             sourceChannelCount, sinkChannelCount,
-            sourceFormat, sinkFormat,
+            oboe::convertToText(sourceFormat), oboe::convertToText(sinkFormat),
             sourceSampleRate, sinkSampleRate,
             sourceFramesPerCallback, sinkFramesPerCallback,
-            sourceStream->getSampleRateConversionQuality());
+            oboe::convertToText(sourceStream->getSampleRateConversionQuality()));
 
     // Source
     // IF OUTPUT and using a callback then call back to the app using a SourceCaller.
@@ -128,7 +128,7 @@ Result DataConversionFlowGraph::configure(AudioStream *sourceStream, AudioStream
                                                                   actualSourceFramesPerCallback);
                 break;
             default:
-                LOGE("%s() Unsupported source caller format = %d", __func__, sourceFormat);
+                LOGE("%s() Unsupported source caller format = %d", __func__, static_cast<int>(sourceFormat));
                 return Result::ErrorIllegalArgument;
         }
         mSourceCaller->setStream(sourceStream);
@@ -150,7 +150,7 @@ Result DataConversionFlowGraph::configure(AudioStream *sourceStream, AudioStream
                 mSource = std::make_unique<SourceI32>(sourceChannelCount);
                 break;
             default:
-                LOGE("%s() Unsupported source format = %d", __func__, sourceFormat);
+                LOGE("%s() Unsupported source format = %d", __func__, static_cast<int>(sourceFormat));
                 return Result::ErrorIllegalArgument;
         }
         if (isInput) {
@@ -226,7 +226,7 @@ Result DataConversionFlowGraph::configure(AudioStream *sourceStream, AudioStream
             mSink = std::make_unique<SinkI32>(sinkChannelCount);
             break;
         default:
-            LOGE("%s() Unsupported sink format = %d", __func__, sinkFormat);
+            LOGE("%s() Unsupported sink format = %d", __func__, static_cast<int>(sinkFormat));
             return Result::ErrorIllegalArgument;;
     }
     lastOutput->connect(&mSink->input);

modules/juce_audio_devices/native/oboe/src/common/FilterAudioStream.h

@@ -38,9 +38,9 @@ public:
      *
      * @param builder containing all the stream's attributes
      */
-    FilterAudioStream(const AudioStreamBuilder &builder, AudioStream *childStream)
+    FilterAudioStream(const AudioStreamBuilder &builder, std::shared_ptr<AudioStream> childStream)
     : AudioStream(builder)
-    , mChildStream(childStream) {
+     , mChildStream(childStream) {
         // Intercept the callback if used.
         if (builder.isErrorCallbackSpecified()) {
             mErrorCallback = mChildStream->swapErrorCallback(this);
@@ -66,10 +66,6 @@ public:
 
     virtual ~FilterAudioStream() = default;
 
-    AudioStream *getChildStream() const {
-        return mChildStream.get();
-    }
-
     Result configureFlowGraph();
 
     // Close child and parent.
@@ -216,7 +212,7 @@ public:
 
 private:
 
-    std::unique_ptr<AudioStream>             mChildStream; // this stream wraps the child stream
+    std::shared_ptr<AudioStream>             mChildStream; // this stream wraps the child stream
     std::unique_ptr<DataConversionFlowGraph> mFlowGraph; // for converting data
     std::unique_ptr<uint8_t[]>               mBlockingBuffer; // temp buffer for write()
     double                                   mRateScaler = 1.0; // ratio parent/child sample rates

modules/juce_audio_devices/native/oboe/src/common/Utilities.cpp

@@ -278,6 +278,20 @@ const char *convertToText<ChannelCount>(ChannelCount channelCount) {
     }
 }
 
+template<>
+const char *convertToText<SampleRateConversionQuality>(SampleRateConversionQuality sampleRateConversionQuality) {
+
+    switch (sampleRateConversionQuality) {
+        case SampleRateConversionQuality::None:     return "None";
+        case SampleRateConversionQuality::Fastest:  return "Fastest";
+        case SampleRateConversionQuality::Low:      return "Low";
+        case SampleRateConversionQuality::Medium:   return "Medium";
+        case SampleRateConversionQuality::High:     return "High";
+        case SampleRateConversionQuality::Best:     return "Best";
+        default:                                    return "Unrecognized sample rate conversion quality";
+    }
+}
+
 std::string getPropertyString(const char * name) {
     std::string result;
 #ifdef __ANDROID__

modules/juce_audio_devices/native/oboe/src/flowgraph/FlowgraphUtilities.h

@@ -17,6 +17,7 @@
 #ifndef FLOWGRAPH_UTILITIES_H
 #define FLOWGRAPH_UTILITIES_H
 
+#include <math.h>
 #include <unistd.h>
 
 using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
@@ -50,6 +51,20 @@ static int32_t clamp32FromFloat(float f)
     return f > 0 ? f + 0.5 : f - 0.5;
 }
 
+/**
+ * Convert a single-precision floating point value to a Q0.23 integer value, stored in a
+ * 32 bit signed integer (technically stored as Q8.23, but clamped to Q0.23).
+ *
+ * Values outside the range [-1.0, 1.0) are properly clamped to -8388608 and 8388607,
+ * including -Inf and +Inf. NaN values are considered undefined, and behavior may change
+ * depending on hardware and future implementation of this function.
+ */
+static int32_t clamp24FromFloat(float f)
+{
+    static const float scale = 1 << 23;
+    return (int32_t) lroundf(fmaxf(fminf(f * scale, scale - 1.f), -scale));
+}
+
 };
 
 #endif // FLOWGRAPH_UTILITIES_H

modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.cpp

@@ -28,7 +28,8 @@ SampleRateConverter::SampleRateConverter(int32_t channelCount,
 
 void SampleRateConverter::reset() {
     FlowGraphNode::reset();
-    mInputCursor = kInitialCallCount;
+    mInputCallCount = kInitialCallCount;
+    mInputCursor = 0;
 }
 
 // Return true if there is a sample available.

modules/juce_audio_devices/native/oboe/src/flowgraph/SampleRateConverter.h

@@ -54,7 +54,7 @@ private:
     int32_t mNumValidInputFrames = 0; // number of valid frames currently in the input port buffer
     // We need our own callCount for upstream calls because calls occur at a different rate.
     // This means we cannot have cyclic graphs or merges that contain an SRC.
-    int64_t mInputCallCount = 0;
+    int64_t mInputCallCount = kInitialCallCount;
 
 };
 

modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FlowGraphNode.h"
+#include "FlowgraphUtilities.h"
+#include "SinkI8_24.h"
+
+#if FLOWGRAPH_ANDROID_INTERNAL
+#include <audio_utils/primitives.h>
+#endif
+
+using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
+
+SinkI8_24::SinkI8_24(int32_t channelCount)
+        : FlowGraphSink(channelCount) {}
+
+int32_t SinkI8_24::read(void *data, int32_t numFrames) {
+    int32_t *intData = (int32_t *) data;
+    const int32_t channelCount = input.getSamplesPerFrame();
+
+    int32_t framesLeft = numFrames;
+    while (framesLeft > 0) {
+        // Run the graph and pull data through the input port.
+        int32_t framesRead = pullData(framesLeft);
+        if (framesRead <= 0) {
+            break;
+        }
+        const float *signal = input.getBuffer();
+        int32_t numSamples = framesRead * channelCount;
+#if FLOWGRAPH_ANDROID_INTERNAL
+        memcpy_to_q8_23_from_float_with_clamp(intData, signal, numSamples);
+        intData += numSamples;
+        signal += numSamples;
+#else
+        for (int i = 0; i < numSamples; i++) {
+            *intData++ = FlowgraphUtilities::clamp24FromFloat(*signal++);
+        }
+#endif
+        framesLeft -= framesRead;
+    }
+    return numFrames - framesLeft;
+}

modules/juce_audio_devices/native/oboe/src/flowgraph/SinkI8_24.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FLOWGRAPH_SINK_I8_24_H
+#define FLOWGRAPH_SINK_I8_24_H
+
+#include <stdint.h>
+
+#include "FlowGraphNode.h"
+
+namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph {
+
+    class SinkI8_24 : public FlowGraphSink {
+    public:
+        explicit SinkI8_24(int32_t channelCount);
+        ~SinkI8_24() override = default;
+
+        int32_t read(void *data, int32_t numFrames) override;
+
+        const char *getName() override {
+            return "SinkI8_24";
+        }
+    };
+
+} /* namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph */
+
+#endif //FLOWGRAPH_SINK_I8_24_H

modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <algorithm>
+#include <unistd.h>
+
+#include "FlowGraphNode.h"
+#include "SourceI8_24.h"
+
+#if FLOWGRAPH_ANDROID_INTERNAL
+#include <audio_utils/primitives.h>
+#endif
+
+using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph;
+
+SourceI8_24::SourceI8_24(int32_t channelCount)
+        : FlowGraphSourceBuffered(channelCount) {
+}
+
+int32_t SourceI8_24::onProcess(int32_t numFrames) {
+    float *floatData = output.getBuffer();
+    const int32_t channelCount = output.getSamplesPerFrame();
+
+    const int32_t framesLeft = mSizeInFrames - mFrameIndex;
+    const int32_t framesToProcess = std::min(numFrames, framesLeft);
+    const int32_t numSamples = framesToProcess * channelCount;
+
+    const int32_t *intBase = static_cast<const int32_t *>(mData);
+    const int32_t *intData = &intBase[mFrameIndex * channelCount];
+
+#if FLOWGRAPH_ANDROID_INTERNAL
+    memcpy_to_float_from_q8_23(floatData, intData, numSamples);
+#else
+    for (int i = 0; i < numSamples; i++) {
+        *floatData++ = *intData++ * kScale;
+    }
+#endif
+
+    mFrameIndex += framesToProcess;
+    return framesToProcess;
+}

modules/juce_audio_devices/native/oboe/src/flowgraph/SourceI8_24.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FLOWGRAPH_SOURCE_I8_24_H
+#define FLOWGRAPH_SOURCE_I8_24_H
+
+#include <stdint.h>
+
+#include "FlowGraphNode.h"
+
+namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph {
+
+class SourceI8_24 : public FlowGraphSourceBuffered {
+public:
+    explicit SourceI8_24(int32_t channelCount);
+    ~SourceI8_24() override = default;
+
+    int32_t onProcess(int32_t numFrames) override;
+
+    const char *getName() override {
+        return "SourceI8_24";
+    }
+private:
+    static constexpr float kScale = 1.0 / (1UL << 23);
+};
+
+} /* namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph */
+
+#endif //FLOWGRAPH_SOURCE_I8_24_H

modules/juce_audio_devices/native/oboe/src/flowgraph/resampler/MultiChannelResampler.cpp

@@ -120,7 +120,7 @@ void MultiChannelResampler::writeFrame(const float *frame) {
 }
 
 float MultiChannelResampler::sinc(float radians) {
-    if (abs(radians) < 1.0e-9) return 1.0f;   // avoid divide by zero
+    if (fabsf(radians) < 1.0e-9f) return 1.0f;   // avoid divide by zero
     return sinf(radians) / radians;   // Sinc function
 }
 

modules/juce_audio_devices/native/oboe/src/opensles/AudioInputStreamOpenSLES.cpp

@@ -16,9 +16,6 @@
 
 #include <cassert>
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
-
 #include "common/OboeDebug.h"
 #include "oboe/AudioStreamBuilder.h"
 #include "AudioInputStreamOpenSLES.h"
@@ -151,8 +148,8 @@ Result AudioInputStreamOpenSLES::open() {
 
     // Configure the stream.
     result = (*mObjectInterface)->GetInterface(mObjectInterface,
-                                            SL_IID_ANDROIDCONFIGURATION,
+            EngineOpenSLES::getInstance().getIidAndroidConfiguration(),
-                                            &configItf);
+            &configItf);
 
     if (SL_RESULT_SUCCESS != result) {
         LOGW("%s() GetInterface(SL_IID_ANDROIDCONFIGURATION) failed with %s",
@@ -190,7 +187,9 @@ Result AudioInputStreamOpenSLES::open() {
         goto error;
     }
 
-    result = (*mObjectInterface)->GetInterface(mObjectInterface, SL_IID_RECORD, &mRecordInterface);
+    result = (*mObjectInterface)->GetInterface(mObjectInterface,
+                                               EngineOpenSLES::getInstance().getIidRecord(),
+                                               &mRecordInterface);
     if (SL_RESULT_SUCCESS != result) {
         LOGE("GetInterface RECORD result:%s", getSLErrStr(result));
         goto error;

modules/juce_audio_devices/native/oboe/src/opensles/AudioInputStreamOpenSLES.h

@@ -18,10 +18,8 @@
 #define AUDIO_INPUT_STREAM_OPENSL_ES_H_
 
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
-
 #include "oboe/Oboe.h"
+#include "EngineOpenSLES.h"
 #include "AudioStreamOpenSLES.h"
 
 namespace oboe {

modules/juce_audio_devices/native/oboe/src/opensles/AudioOutputStreamOpenSLES.cpp

@@ -16,8 +16,6 @@
 
 #include <cassert>
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
 #include <common/AudioClock.h>
 
 #include "common/OboeDebug.h"
@@ -30,9 +28,10 @@
 using namespace oboe;
 
 static SLuint32 OpenSLES_convertOutputUsage(Usage oboeUsage) {
-    SLuint32 openslStream = SL_ANDROID_STREAM_MEDIA;
+    SLuint32 openslStream;
     switch(oboeUsage) {
         case Usage::Media:
+        case Usage::Game:
             openslStream = SL_ANDROID_STREAM_MEDIA;
             break;
         case Usage::VoiceCommunication:
@@ -43,18 +42,15 @@ static SLuint32 OpenSLES_convertOutputUsage(Usage oboeUsage) {
             openslStream = SL_ANDROID_STREAM_ALARM;
             break;
         case Usage::Notification:
-        case Usage::NotificationRingtone:
         case Usage::NotificationEvent:
             openslStream = SL_ANDROID_STREAM_NOTIFICATION;
             break;
+        case Usage::NotificationRingtone:
+            openslStream = SL_ANDROID_STREAM_RING;
+            break;
         case Usage::AssistanceAccessibility:
         case Usage::AssistanceNavigationGuidance:
         case Usage::AssistanceSonification:
-            openslStream = SL_ANDROID_STREAM_SYSTEM;
-            break;
-        case Usage::Game:
-            openslStream = SL_ANDROID_STREAM_MEDIA;
-            break;
         case Usage::Assistant:
         default:
             openslStream = SL_ANDROID_STREAM_SYSTEM;
@@ -182,8 +178,8 @@ Result AudioOutputStreamOpenSLES::open() {
 
     // Configure the stream.
     result = (*mObjectInterface)->GetInterface(mObjectInterface,
-                                               SL_IID_ANDROIDCONFIGURATION,
+            EngineOpenSLES::getInstance().getIidAndroidConfiguration(),
-                                               (void *)&configItf);
+            (void *)&configItf);
     if (SL_RESULT_SUCCESS != result) {
         LOGW("%s() GetInterface(SL_IID_ANDROIDCONFIGURATION) failed with %s",
              __func__, getSLErrStr(result));
@@ -209,7 +205,9 @@ Result AudioOutputStreamOpenSLES::open() {
         goto error;
     }
 
-    result = (*mObjectInterface)->GetInterface(mObjectInterface, SL_IID_PLAY, &mPlayInterface);
+    result = (*mObjectInterface)->GetInterface(mObjectInterface,
+                                               EngineOpenSLES::getInstance().getIidPlay(),
+                                               &mPlayInterface);
     if (SL_RESULT_SUCCESS != result) {
         LOGE("GetInterface PLAY result:%s", getSLErrStr(result));
         goto error;
@@ -374,7 +372,7 @@ Result AudioOutputStreamOpenSLES::requestFlush_l() {
     } else {
         SLresult slResult = (*mSimpleBufferQueueInterface)->Clear(mSimpleBufferQueueInterface);
         if (slResult != SL_RESULT_SUCCESS){
-            LOGW("Failed to clear buffer queue. OpenSLES error: %d", result);
+            LOGW("Failed to clear buffer queue. OpenSLES error: %s", getSLErrStr(slResult));
             result = Result::ErrorInternal;
         }
     }

modules/juce_audio_devices/native/oboe/src/opensles/AudioOutputStreamOpenSLES.h

@@ -18,10 +18,8 @@
 #define AUDIO_OUTPUT_STREAM_OPENSL_ES_H_
 
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
-
 #include "oboe/Oboe.h"
+#include "EngineOpenSLES.h"
 #include "AudioStreamOpenSLES.h"
 
 namespace oboe {

modules/juce_audio_devices/native/oboe/src/opensles/AudioStreamOpenSLES.cpp

@@ -16,13 +16,12 @@
 #include <cassert>
 #include <android/log.h>
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
 #include <oboe/AudioStream.h>
 #include <common/AudioClock.h>
 
 #include "common/OboeDebug.h"
 #include "oboe/AudioStreamBuilder.h"
+#include "EngineOpenSLES.h"
 #include "AudioStreamOpenSLES.h"
 #include "OpenSLESUtilities.h"
 
@@ -72,8 +71,8 @@ Result AudioStreamOpenSLES::open() {
 
     // OpenSL ES only supports I16 and Float
     if (mFormat != AudioFormat::I16 && mFormat != AudioFormat::Float) {
-        LOGW("%s() Android's OpenSL ES implementation only supports I16 and Float. Format: %d",
+        LOGW("%s() Android's OpenSL ES implementation only supports I16 and Float. Format: %s",
-             __func__, mFormat);
+             __func__, oboe::convertToText(mFormat));
         return Result::ErrorInvalidFormat;
     }
 
@@ -422,7 +421,7 @@ bool AudioStreamOpenSLES::processBufferCallback(SLAndroidSimpleBufferQueueItf bq
         LOGD("Oboe callback returned Stop");
         shouldStopStream = true;
     } else {
-        LOGW("Oboe callback returned unexpected value = %d", result);
+        LOGW("Oboe callback returned unexpected value = %d", static_cast<int>(result));
         shouldStopStream = true;
     }
     if (shouldStopStream) {
@@ -442,8 +441,9 @@ static void bqCallbackGlue(SLAndroidSimpleBufferQueueItf bq, void *context) {
 
 SLresult AudioStreamOpenSLES::registerBufferQueueCallback() {
     // The BufferQueue
-    SLresult result = (*mObjectInterface)->GetInterface(mObjectInterface, SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
+    SLresult result = (*mObjectInterface)->GetInterface(mObjectInterface,
-                                                &mSimpleBufferQueueInterface);
+            EngineOpenSLES::getInstance().getIidAndroidSimpleBufferQueue(),
+            &mSimpleBufferQueueInterface);
     if (SL_RESULT_SUCCESS != result) {
         LOGE("get buffer queue interface:%p result:%s",
              mSimpleBufferQueueInterface,

modules/juce_audio_devices/native/oboe/src/opensles/AudioStreamOpenSLES.h

@@ -19,9 +19,6 @@
 
 #include <memory>
 
-#include <SLES/OpenSLES.h>
-#include <SLES/OpenSLES_Android.h>
-
 #include "oboe/Oboe.h"
 #include "common/MonotonicCounter.h"
 #include "opensles/AudioStreamBuffered.h"

modules/juce_audio_devices/native/oboe/src/opensles/EngineOpenSLES.cpp

@@ -15,6 +15,7 @@
  */
 
 #include <dlfcn.h>
+
 #include "common/OboeDebug.h"
 #include "EngineOpenSLES.h"
 #include "OpenSLESUtilities.h"
@@ -24,42 +25,94 @@ using namespace oboe;
 // OpenSL ES is deprecated in SDK 30.
 // So we use custom dynamic linking to access the library.
 #define LIB_OPENSLES_NAME "libOpenSLES.so"
-typedef SLresult  (*prototype_slCreateEngine)(
-        SLObjectItf             *pEngine,
-        SLuint32                numOptions,
-        const SLEngineOption    *pEngineOptions,
-        SLuint32                numInterfaces,
-        const SLInterfaceID     *pInterfaceIds,
-        const SLboolean         *pInterfaceRequired
-);
-static prototype_slCreateEngine gFunction_slCreateEngine = nullptr;
-static void *gLibOpenSlesLibraryHandle = nullptr;
-
-// Load the OpenSL ES library and the one primary entry point.
-// @return true if linked OK
-static bool linkOpenSLES() {
-    if (gLibOpenSlesLibraryHandle == nullptr && gFunction_slCreateEngine == nullptr) {
-        // Use RTLD_NOW to avoid the unpredictable behavior that RTLD_LAZY can cause.
-        // Also resolving all the links now will prevent a run-time penalty later.
-        gLibOpenSlesLibraryHandle = dlopen(LIB_OPENSLES_NAME, RTLD_NOW);
-        if (gLibOpenSlesLibraryHandle == nullptr) {
-            LOGE("linkOpenSLES() could not find " LIB_OPENSLES_NAME);
-        } else {
-            gFunction_slCreateEngine = (prototype_slCreateEngine) dlsym(
-                    gLibOpenSlesLibraryHandle,
-                    "slCreateEngine");
-            LOGD("linkOpenSLES(): dlsym(%s) returned %p", "slCreateEngine",
-                 gFunction_slCreateEngine);
-        }
-    }
-    return gFunction_slCreateEngine != nullptr;
-}
 
 EngineOpenSLES &EngineOpenSLES::getInstance() {
     static EngineOpenSLES sInstance;
     return sInstance;
 }
 
+// Satisfy extern in OpenSLES.h
+// These are required because of b/337360630, which was causing
+// Oboe to have link failures if libOpenSLES.so was not available.
+SL_API const SLInterfaceID SL_IID_ENGINE = nullptr;
+SL_API const SLInterfaceID SL_IID_ANDROIDSIMPLEBUFFERQUEUE = nullptr;
+SL_API const SLInterfaceID SL_IID_ANDROIDCONFIGURATION = nullptr;
+SL_API const SLInterfaceID SL_IID_RECORD = nullptr;
+SL_API const SLInterfaceID SL_IID_BUFFERQUEUE = nullptr;
+SL_API const SLInterfaceID SL_IID_VOLUME = nullptr;
+SL_API const SLInterfaceID SL_IID_PLAY = nullptr;
+
+static const char *getSafeDlerror() {
+    static const char *defaultMessage = "not found?";
+    char *errorMessage = dlerror();
+    return (errorMessage == nullptr) ? defaultMessage : errorMessage;
+}
+
+// Load the OpenSL ES library and the one primary entry point.
+// @return true if linked OK
+bool EngineOpenSLES::linkOpenSLES() {
+    if (mDynamicLinkState == kLinkStateBad) {
+        LOGE("%s(), OpenSL ES not available, based on previous link failure.", __func__);
+    } else if (mDynamicLinkState == kLinkStateUninitialized) {
+        // Set to BAD now in case we return because of an error.
+        // This is safe form race conditions because this function is always called
+        // under mLock amd the state is only accessed from this function.
+        mDynamicLinkState = kLinkStateBad;
+        // Use RTLD_NOW to avoid the unpredictable behavior that RTLD_LAZY can cause.
+        // Also resolving all the links now will prevent a run-time penalty later.
+        mLibOpenSlesLibraryHandle = dlopen(LIB_OPENSLES_NAME, RTLD_NOW);
+        if (mLibOpenSlesLibraryHandle == nullptr) {
+            LOGE("%s() could not dlopen(%s), %s", __func__, LIB_OPENSLES_NAME, getSafeDlerror());
+            return false;
+        } else {
+            mFunction_slCreateEngine = (prototype_slCreateEngine) dlsym(
+                    mLibOpenSlesLibraryHandle,
+                    "slCreateEngine");
+            LOGD("%s(): dlsym(%s) returned %p", __func__,
+                 "slCreateEngine", mFunction_slCreateEngine);
+            if (mFunction_slCreateEngine == nullptr) {
+                LOGE("%s(): dlsym(slCreateEngine) returned null, %s", __func__, getSafeDlerror());
+                return false;
+            }
+
+            // Load IID interfaces.
+            LOCAL_SL_IID_ENGINE = getIidPointer("SL_IID_ENGINE");
+            if (LOCAL_SL_IID_ENGINE == nullptr) return false;
+            LOCAL_SL_IID_ANDROIDSIMPLEBUFFERQUEUE = getIidPointer(
+                    "SL_IID_ANDROIDSIMPLEBUFFERQUEUE");
+            if (LOCAL_SL_IID_ANDROIDSIMPLEBUFFERQUEUE == nullptr) return false;
+            LOCAL_SL_IID_ANDROIDCONFIGURATION = getIidPointer(
+                    "SL_IID_ANDROIDCONFIGURATION");
+            if (LOCAL_SL_IID_ANDROIDCONFIGURATION == nullptr) return false;
+            LOCAL_SL_IID_RECORD = getIidPointer("SL_IID_RECORD");
+            if (LOCAL_SL_IID_RECORD == nullptr) return false;
+            LOCAL_SL_IID_BUFFERQUEUE = getIidPointer("SL_IID_BUFFERQUEUE");
+            if (LOCAL_SL_IID_BUFFERQUEUE == nullptr) return false;
+            LOCAL_SL_IID_VOLUME = getIidPointer("SL_IID_VOLUME");
+            if (LOCAL_SL_IID_VOLUME == nullptr) return false;
+            LOCAL_SL_IID_PLAY = getIidPointer("SL_IID_PLAY");
+            if (LOCAL_SL_IID_PLAY == nullptr) return false;
+
+            mDynamicLinkState = kLinkStateGood;
+        }
+    }
+    return (mDynamicLinkState == kLinkStateGood);
+}
+
+// A symbol like SL_IID_PLAY is a pointer to a structure.
+// The dlsym() function returns the address of the pointer, not the structure.
+// To get the address of the structure we have to dereference the pointer.
+SLInterfaceID EngineOpenSLES::getIidPointer(const char *symbolName) {
+    SLInterfaceID *iid_address = (SLInterfaceID *) dlsym(
+            mLibOpenSlesLibraryHandle,
+            symbolName);
+    if (iid_address == nullptr) {
+        LOGE("%s(): dlsym(%s) returned null, %s", __func__, symbolName, getSafeDlerror());
+        return (SLInterfaceID) nullptr;
+    }
+    return *iid_address; // Get address of the structure.
+}
+
 SLresult EngineOpenSLES::open() {
     std::lock_guard<std::mutex> lock(mLock);
 
@@ -72,7 +125,7 @@ SLresult EngineOpenSLES::open() {
         };
 
         // create engine
-        result = (*gFunction_slCreateEngine)(&mEngineObject, 0, NULL, 0, NULL, NULL);
+        result = (*mFunction_slCreateEngine)(&mEngineObject, 0, NULL, 0, NULL, NULL);
         if (SL_RESULT_SUCCESS != result) {
             LOGE("EngineOpenSLES - slCreateEngine() result:%s", getSLErrStr(result));
             goto error;
@@ -86,7 +139,9 @@ SLresult EngineOpenSLES::open() {
         }
 
         // get the engine interface, which is needed in order to create other objects
-        result = (*mEngineObject)->GetInterface(mEngineObject, SL_IID_ENGINE, &mEngineInterface);
+        result = (*mEngineObject)->GetInterface(mEngineObject,
+                                                EngineOpenSLES::getInstance().getIidEngine(),
+                                                &mEngineInterface);
         if (SL_RESULT_SUCCESS != result) {
             LOGE("EngineOpenSLES - GetInterface() engine result:%s", getSLErrStr(result));
             goto error;
@@ -96,12 +151,17 @@ SLresult EngineOpenSLES::open() {
     return result;
 
 error:
-    close();
+    close_l();
     return result;
 }
 
 void EngineOpenSLES::close() {
     std::lock_guard<std::mutex> lock(mLock);
+    close_l();
+}
+
+// This must be called under mLock
+void EngineOpenSLES::close_l() {
     if (--mOpenCount == 0) {
         if (mEngineObject != nullptr) {
             (*mEngineObject)->Destroy(mEngineObject);
@@ -119,8 +179,8 @@ SLresult EngineOpenSLES::createAudioPlayer(SLObjectItf *objectItf,
                                            SLDataSource *audioSource,
                                            SLDataSink *audioSink) {
 
-    const SLInterfaceID ids[] = {SL_IID_BUFFERQUEUE, SL_IID_ANDROIDCONFIGURATION};
+    SLInterfaceID ids[] = {LOCAL_SL_IID_BUFFERQUEUE, LOCAL_SL_IID_ANDROIDCONFIGURATION};
-    const SLboolean reqs[] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
+    SLboolean reqs[] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
 
     return (*mEngineInterface)->CreateAudioPlayer(mEngineInterface, objectItf, audioSource,
                                                   audioSink,
@@ -131,8 +191,9 @@ SLresult EngineOpenSLES::createAudioRecorder(SLObjectItf *objectItf,
                                              SLDataSource *audioSource,
                                              SLDataSink *audioSink) {
 
-    const SLInterfaceID ids[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE, SL_IID_ANDROIDCONFIGURATION };
+    SLInterfaceID ids[] = {LOCAL_SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
-    const SLboolean reqs[] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
+                           LOCAL_SL_IID_ANDROIDCONFIGURATION };
+    SLboolean reqs[] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
 
     return (*mEngineInterface)->CreateAudioRecorder(mEngineInterface, objectItf, audioSource,
                                                     audioSink,

modules/juce_audio_devices/native/oboe/src/opensles/EngineOpenSLES.h

@@ -25,6 +25,15 @@
 
 namespace oboe {
 
+typedef SLresult  (*prototype_slCreateEngine)(
+        SLObjectItf             *pEngine,
+        SLuint32                numOptions,
+        const SLEngineOption    *pEngineOptions,
+        SLuint32                numInterfaces,
+        const SLInterfaceID     *pInterfaceIds,
+        const SLboolean         *pInterfaceRequired
+);
+
 /**
  * INTERNAL USE ONLY
  */
@@ -32,6 +41,8 @@ class EngineOpenSLES {
 public:
     static EngineOpenSLES &getInstance();
 
+    bool linkOpenSLES();
+
     SLresult open();
 
     void close();
@@ -45,6 +56,14 @@ public:
                                  SLDataSource *audioSource,
                                  SLDataSink *audioSink);
 
+    SLInterfaceID getIidEngine() { return LOCAL_SL_IID_ENGINE; }
+    SLInterfaceID getIidAndroidSimpleBufferQueue() { return LOCAL_SL_IID_ANDROIDSIMPLEBUFFERQUEUE; }
+    SLInterfaceID getIidAndroidConfiguration() { return LOCAL_SL_IID_ANDROIDCONFIGURATION; }
+    SLInterfaceID getIidRecord() { return LOCAL_SL_IID_RECORD; }
+    SLInterfaceID getIidBufferQueue() { return LOCAL_SL_IID_BUFFERQUEUE; }
+    SLInterfaceID getIidVolume() { return LOCAL_SL_IID_VOLUME; }
+    SLInterfaceID getIidPlay() { return LOCAL_SL_IID_PLAY; }
+
 private:
     // Make this a safe Singleton
     EngineOpenSLES()= default;
@@ -52,11 +71,34 @@ private:
     EngineOpenSLES(const EngineOpenSLES&)= delete;
     EngineOpenSLES& operator=(const EngineOpenSLES&)= delete;
 
+    SLInterfaceID getIidPointer(const char *symbolName);
+
+    /**
+     * Close the OpenSL ES engine.
+     * This must be called under mLock
+     */
+    void close_l();
+
     std::mutex             mLock;
     int32_t                mOpenCount = 0;
 
+    static constexpr int32_t kLinkStateUninitialized = 0;
+    static constexpr int32_t kLinkStateGood = 1;
+    static constexpr int32_t kLinkStateBad = 2;
+    int32_t                mDynamicLinkState = kLinkStateUninitialized;
     SLObjectItf            mEngineObject = nullptr;
     SLEngineItf            mEngineInterface = nullptr;
+
+    // These symbols are loaded using dlsym().
+    prototype_slCreateEngine mFunction_slCreateEngine = nullptr;
+    void                  *mLibOpenSlesLibraryHandle = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_ENGINE = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_ANDROIDSIMPLEBUFFERQUEUE = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_ANDROIDCONFIGURATION = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_RECORD = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_BUFFERQUEUE = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_VOLUME = nullptr;
+    SLInterfaceID          LOCAL_SL_IID_PLAY = nullptr;
 };
 
 } // namespace oboe

modules/juce_audio_devices/native/oboe/src/opensles/OutputMixerOpenSLES.h

@@ -20,8 +20,7 @@
 #include <atomic>
 #include <mutex>
 
-#include <SLES/OpenSLES.h>
+#include "EngineOpenSLES.h"
-#include <SLES/OpenSLES_Android.h>
 
 namespace oboe {