AAudio: add a limiter instead of clipping audio
AAudio currently clips audio above sqrt(2) and below -sqrt(2).
Instead, for a smooth transition, a polynomial spline should be used.
Bug: 17914011
Test: atest test_flowgraph
Test: atest AAudioTests
Test: Test Output in OboeTester
Change-Id: Ia48537c9c914b71f6928adfc2470f17b3108e5d5
diff --git a/media/libaaudio/src/client/AAudioFlowGraph.h b/media/libaaudio/src/client/AAudioFlowGraph.h
index 602c17f..35fef37 100644
--- a/media/libaaudio/src/client/AAudioFlowGraph.h
+++ b/media/libaaudio/src/client/AAudioFlowGraph.h
@@ -24,7 +24,7 @@
#include <aaudio/AAudio.h>
#include <audio_utils/Balance.h>
-#include <flowgraph/ClipToRange.h>
+#include <flowgraph/Limiter.h>
#include <flowgraph/ManyToMultiConverter.h>
#include <flowgraph/MonoBlend.h>
#include <flowgraph/MonoToMultiConverter.h>
@@ -74,7 +74,7 @@
private:
std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::FlowGraphSourceBuffered> mSource;
std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::MonoBlend> mMonoBlend;
- std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::ClipToRange> mClipper;
+ std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::Limiter> mLimiter;
std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::MonoToMultiConverter> mChannelConverter;
std::unique_ptr<FLOWGRAPH_OUTER_NAMESPACE::flowgraph::ManyToMultiConverter>
mManyToMultiConverter;