Fix/piano example

apps/common-app/src/examples/Piano/Piano.tsx

@@ -30,6 +30,10 @@ const Piano: FC = () => {
     });
 
     notesRef.current = newNotes as Record<KeyName, PianoNote>;
+
+    return () => {
+      audioContextRef.current?.close();
+    };
   }, []);
 
   return (

apps/common-app/src/examples/Piano/PianoNote.tsx

@@ -49,9 +49,6 @@ class PianoNote {
 
     this.oscillator.stop(tNow + 0.1);
 
-    this.gain.disconnect(this.audioContext.destination);
-    this.oscillator.disconnect(this.gain);
-
     this.oscillator = null;
     this.gain = null;
   }

apps/common-app/src/examples/SharedUtils/soundEngines/HiHat.ts

@@ -41,7 +41,7 @@ class HiHat implements SoundEngine {
       gain.gain.exponentialRampToValueAtTime(this.volume * 0.33, time + 0.03);
       gain.gain.exponentialRampToValueAtTime(this.volume * 0.0001, time + 0.3);
       gain.gain.setValueAtTime(0, time + 0.3 + 0.001);
-      //number of inputs of filter is 1 on android- check it
+
       oscillator.connect(bandpassFilter);
       bandpassFilter.connect(highpassFilter);
       highpassFilter.connect(gain);

packages/react-native-audio-api/android/CMakeLists.txt

@@ -4,6 +4,18 @@ project(react-native-audio-api)
 set(CMAKE_VERBOSE_MAKEFILE ON)
 set(CMAKE_CXX_STANDARD 17)
 
+# Detect the operating system
+if(APPLE)
+    set(HAVE_ACCELERATE TRUE)
+endif()
+
+# Detect the processor and SIMD support
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+    set(HAVE_ARM_NEON_INTRINSICS TRUE)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64")
+    set(HAVE_X86_SSE2 TRUE)
+endif()
+
 include("${REACT_NATIVE_DIR}/ReactAndroid/cmake-utils/folly-flags.cmake")
 add_compile_options(${folly_FLAGS})
 

packages/react-native-audio-api/android/src/main/cpp/AudioBuffer/AudioBuffer.cpp

@@ -11,7 +11,7 @@ AudioBuffer::AudioBuffer(int numberOfChannels, int length, int sampleRate)
     throw std::invalid_argument("Invalid number of channels");
   }
 
-  channels_ = new float*[numberOfChannels];
+  channels_ = new float *[numberOfChannels];
 
   for (int i = 0; i < numberOfChannels; i++) {
     channels_[i] = new float[length];

packages/react-native-audio-api/android/src/main/cpp/AudioBuffer/AudioBuffer.h

@@ -1,9 +1,9 @@
 #pragma once
 
+#include <algorithm>
 #include <memory>
 #include <string>
 #include <vector>
-#include <algorithm>
 
 namespace audioapi {
 

packages/react-native-audio-api/android/src/main/cpp/AudioBufferSourceNode/AudioBufferSourceNode.cpp

@@ -14,11 +14,11 @@ bool AudioBufferSourceNode::getLoop() const {
 }
 
 std::shared_ptr<AudioBuffer> AudioBufferSourceNode::getBuffer() const {
-    if (!buffer_.has_value()) {
-        throw std::runtime_error("Buffer is not set");
-    }
+  if (!buffer_.has_value()) {
+    throw std::runtime_error("Buffer is not set");
+  }
 
-    return buffer_.value();
+  return buffer_.value();
 }
 
 void AudioBufferSourceNode::setLoop(bool loop) {

packages/react-native-audio-api/android/src/main/cpp/AudioDestinationNode/AudioDestinationNode.cpp

@@ -25,9 +25,7 @@ bool AudioDestinationNode::processAudio(float *audioData, int32_t numFrames) {
 
   for (auto &node : inputNodes_) {
     if (node->processAudio(mixingBuffer.get(), numFrames)) {
-      for (int i = 0; i < numSamples; i++) {
-        audioData[i] += mixingBuffer[i];
-      }
+      VectorMath::add(audioData, mixingBuffer.get(), audioData, numSamples);
     }
   }
 

packages/react-native-audio-api/android/src/main/cpp/AudioDestinationNode/AudioDestinationNode.h

@@ -5,6 +5,7 @@
 #include <vector>
 
 #include "AudioNode.h"
+#include "VectorMath.h"
 
 namespace audioapi {
 

packages/react-native-audio-api/android/src/main/cpp/StereoPannerNode/StereoPannerNode.cpp

@@ -50,14 +50,9 @@ bool StereoPannerNode::processAudio(float *audioData, int32_t numFrames) {
 }
 
 void StereoPannerNode::normalize(float *audioData, int32_t numFrames) {
-  auto maxValue = 1.0f;
-
-  for (int i = 0; i < numFrames * channelCount_; i++) {
-    maxValue = std::max(maxValue, std::abs(audioData[i]));
-  }
-
-  for (int i = 0; i < numFrames * channelCount_; i++) {
-    audioData[i] /= maxValue;
-  }
+  auto maxValue = std::max(
+      1.0f, VectorMath::maximumMagnitude(audioData, numFrames * channelCount_));
+  VectorMath::multiplyByScalar(
+      audioData, 1.0f / maxValue, audioData, numFrames * channelCount_);
 }
 } // namespace audioapi

packages/react-native-audio-api/android/src/main/cpp/StereoPannerNode/StereoPannerNode.h

@@ -5,6 +5,7 @@
 
 #include "AudioNode.h"
 #include "AudioParam.h"
+#include "VectorMath.h"
 
 namespace audioapi {