git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/juce/modules/juce_audio_devices/sources/juce_AudioSourcePlayer.h

@@ -0,0 +1,114 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2020 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    Wrapper class to continuously stream audio from an audio source to an
+    AudioIODevice.
+
+    This object acts as an AudioIODeviceCallback, so can be attached to an
+    output device, and will stream audio from an AudioSource.
+
+    @tags{Audio}
+*/
+class JUCE_API  AudioSourcePlayer  : public AudioIODeviceCallback
+{
+public:
+    //==============================================================================
+    /** Creates an empty AudioSourcePlayer. */
+    AudioSourcePlayer();
+
+    /** Destructor.
+
+        Make sure this object isn't still being used by an AudioIODevice before
+        deleting it!
+    */
+    ~AudioSourcePlayer() override;
+
+    //==============================================================================
+    /** Changes the current audio source to play from.
+
+        If the source passed in is already being used, this method will do nothing.
+        If the source is not null, its prepareToPlay() method will be called
+        before it starts being used for playback.
+
+        If there's another source currently playing, its releaseResources() method
+        will be called after it has been swapped for the new one.
+
+        @param newSource                the new source to use - this will NOT be deleted
+                                        by this object when no longer needed, so it's the
+                                        caller's responsibility to manage it.
+    */
+    void setSource (AudioSource* newSource);
+
+    /** Returns the source that's playing.
+        May return nullptr if there's no source.
+    */
+    AudioSource* getCurrentSource() const noexcept      { return source; }
+
+    /** Sets a gain to apply to the audio data.
+        @see getGain
+    */
+    void setGain (float newGain) noexcept;
+
+    /** Returns the current gain.
+        @see setGain
+    */
+    float getGain() const noexcept                      { return gain; }
+
+    //==============================================================================
+    /** Implementation of the AudioIODeviceCallback method. */
+    void audioDeviceIOCallback (const float** inputChannelData,
+                                int totalNumInputChannels,
+                                float** outputChannelData,
+                                int totalNumOutputChannels,
+                                int numSamples) override;
+
+    /** Implementation of the AudioIODeviceCallback method. */
+    void audioDeviceAboutToStart (AudioIODevice* device) override;
+
+    /** Implementation of the AudioIODeviceCallback method. */
+    void audioDeviceStopped() override;
+
+    /** An alternative method for initialising the source without an AudioIODevice. */
+    void prepareToPlay (double sampleRate, int blockSize);
+
+private:
+    //==============================================================================
+    CriticalSection readLock;
+    AudioSource* source = nullptr;
+    double sampleRate = 0;
+    int bufferSize = 0;
+    float* channels[128];
+    float* outputChans[128];
+    const float* inputChans[128];
+    AudioBuffer<float> tempBuffer;
+    float lastGain = 1.0f;
+    std::atomic<float> gain { 1.0f };
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioSourcePlayer)
+};
+
+} // namespace juce