migrating to the latest JUCE version
This commit is contained in:
		@@ -1,165 +1,165 @@
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/*
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  ==============================================================================
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   This file is part of the JUCE library.
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		||||
   Copyright (c) 2020 - Raw Material Software Limited
 | 
			
		||||
 | 
			
		||||
   JUCE is an open source library subject to commercial or open-source
 | 
			
		||||
   licensing.
 | 
			
		||||
 | 
			
		||||
   By using JUCE, you agree to the terms of both the JUCE 6 End-User License
 | 
			
		||||
   Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
 | 
			
		||||
 | 
			
		||||
   End User License Agreement: www.juce.com/juce-6-licence
 | 
			
		||||
   Privacy Policy: www.juce.com/juce-privacy-policy
 | 
			
		||||
 | 
			
		||||
   Or: You may also use this code under the terms of the GPL v3 (see
 | 
			
		||||
   www.gnu.org/licenses).
 | 
			
		||||
 | 
			
		||||
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
 | 
			
		||||
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
 | 
			
		||||
   DISCLAIMED.
 | 
			
		||||
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		||||
  ==============================================================================
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		||||
*/
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namespace juce
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{
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SamplerSound::SamplerSound (const String& soundName,
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                            AudioFormatReader& source,
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                            const BigInteger& notes,
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                            int midiNoteForNormalPitch,
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                            double attackTimeSecs,
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                            double releaseTimeSecs,
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                            double maxSampleLengthSeconds)
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    : name (soundName),
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      sourceSampleRate (source.sampleRate),
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      midiNotes (notes),
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      midiRootNote (midiNoteForNormalPitch)
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{
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    if (sourceSampleRate > 0 && source.lengthInSamples > 0)
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    {
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        length = jmin ((int) source.lengthInSamples,
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                       (int) (maxSampleLengthSeconds * sourceSampleRate));
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        data.reset (new AudioBuffer<float> (jmin (2, (int) source.numChannels), length + 4));
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        source.read (data.get(), 0, length + 4, 0, true, true);
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        params.attack  = static_cast<float> (attackTimeSecs);
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        params.release = static_cast<float> (releaseTimeSecs);
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    }
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}
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SamplerSound::~SamplerSound()
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{
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}
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bool SamplerSound::appliesToNote (int midiNoteNumber)
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{
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    return midiNotes[midiNoteNumber];
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}
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bool SamplerSound::appliesToChannel (int /*midiChannel*/)
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{
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    return true;
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}
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//==============================================================================
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SamplerVoice::SamplerVoice() {}
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SamplerVoice::~SamplerVoice() {}
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bool SamplerVoice::canPlaySound (SynthesiserSound* sound)
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{
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    return dynamic_cast<const SamplerSound*> (sound) != nullptr;
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}
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void SamplerVoice::startNote (int midiNoteNumber, float velocity, SynthesiserSound* s, int /*currentPitchWheelPosition*/)
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{
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    if (auto* sound = dynamic_cast<const SamplerSound*> (s))
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    {
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        pitchRatio = std::pow (2.0, (midiNoteNumber - sound->midiRootNote) / 12.0)
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                        * sound->sourceSampleRate / getSampleRate();
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        sourceSamplePosition = 0.0;
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        lgain = velocity;
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        rgain = velocity;
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        adsr.setSampleRate (sound->sourceSampleRate);
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        adsr.setParameters (sound->params);
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        adsr.noteOn();
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    }
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    else
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    {
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        jassertfalse; // this object can only play SamplerSounds!
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    }
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}
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void SamplerVoice::stopNote (float /*velocity*/, bool allowTailOff)
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{
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    if (allowTailOff)
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    {
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        adsr.noteOff();
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    }
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    else
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    {
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        clearCurrentNote();
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        adsr.reset();
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    }
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}
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void SamplerVoice::pitchWheelMoved (int /*newValue*/) {}
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void SamplerVoice::controllerMoved (int /*controllerNumber*/, int /*newValue*/) {}
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//==============================================================================
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void SamplerVoice::renderNextBlock (AudioBuffer<float>& outputBuffer, int startSample, int numSamples)
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{
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    if (auto* playingSound = static_cast<SamplerSound*> (getCurrentlyPlayingSound().get()))
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    {
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        auto& data = *playingSound->data;
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        const float* const inL = data.getReadPointer (0);
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        const float* const inR = data.getNumChannels() > 1 ? data.getReadPointer (1) : nullptr;
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        float* outL = outputBuffer.getWritePointer (0, startSample);
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        float* outR = outputBuffer.getNumChannels() > 1 ? outputBuffer.getWritePointer (1, startSample) : nullptr;
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        while (--numSamples >= 0)
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        {
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            auto pos = (int) sourceSamplePosition;
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            auto alpha = (float) (sourceSamplePosition - pos);
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            auto invAlpha = 1.0f - alpha;
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            // just using a very simple linear interpolation here..
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            float l = (inL[pos] * invAlpha + inL[pos + 1] * alpha);
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            float r = (inR != nullptr) ? (inR[pos] * invAlpha + inR[pos + 1] * alpha)
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                                       : l;
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            auto envelopeValue = adsr.getNextSample();
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            l *= lgain * envelopeValue;
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            r *= rgain * envelopeValue;
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            if (outR != nullptr)
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            {
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                *outL++ += l;
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                *outR++ += r;
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            }
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            else
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            {
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                *outL++ += (l + r) * 0.5f;
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            }
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            sourceSamplePosition += pitchRatio;
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            if (sourceSamplePosition > playingSound->length)
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            {
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                stopNote (0.0f, false);
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                break;
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            }
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        }
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    }
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}
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} // namespace juce
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/*
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  ==============================================================================
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   This file is part of the JUCE library.
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		||||
   Copyright (c) 2022 - Raw Material Software Limited
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		||||
 | 
			
		||||
   JUCE is an open source library subject to commercial or open-source
 | 
			
		||||
   licensing.
 | 
			
		||||
 | 
			
		||||
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
 | 
			
		||||
   Agreement and JUCE Privacy Policy.
 | 
			
		||||
 | 
			
		||||
   End User License Agreement: www.juce.com/juce-7-licence
 | 
			
		||||
   Privacy Policy: www.juce.com/juce-privacy-policy
 | 
			
		||||
 | 
			
		||||
   Or: You may also use this code under the terms of the GPL v3 (see
 | 
			
		||||
   www.gnu.org/licenses).
 | 
			
		||||
 | 
			
		||||
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
 | 
			
		||||
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
 | 
			
		||||
   DISCLAIMED.
 | 
			
		||||
 | 
			
		||||
  ==============================================================================
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		||||
*/
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namespace juce
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{
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SamplerSound::SamplerSound (const String& soundName,
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                            AudioFormatReader& source,
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                            const BigInteger& notes,
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                            int midiNoteForNormalPitch,
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                            double attackTimeSecs,
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                            double releaseTimeSecs,
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                            double maxSampleLengthSeconds)
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    : name (soundName),
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      sourceSampleRate (source.sampleRate),
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      midiNotes (notes),
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      midiRootNote (midiNoteForNormalPitch)
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{
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    if (sourceSampleRate > 0 && source.lengthInSamples > 0)
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    {
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        length = jmin ((int) source.lengthInSamples,
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                       (int) (maxSampleLengthSeconds * sourceSampleRate));
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        data.reset (new AudioBuffer<float> (jmin (2, (int) source.numChannels), length + 4));
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        source.read (data.get(), 0, length + 4, 0, true, true);
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        params.attack  = static_cast<float> (attackTimeSecs);
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        params.release = static_cast<float> (releaseTimeSecs);
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    }
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}
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SamplerSound::~SamplerSound()
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{
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}
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bool SamplerSound::appliesToNote (int midiNoteNumber)
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{
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    return midiNotes[midiNoteNumber];
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}
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bool SamplerSound::appliesToChannel (int /*midiChannel*/)
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{
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    return true;
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}
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//==============================================================================
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SamplerVoice::SamplerVoice() {}
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SamplerVoice::~SamplerVoice() {}
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bool SamplerVoice::canPlaySound (SynthesiserSound* sound)
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{
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    return dynamic_cast<const SamplerSound*> (sound) != nullptr;
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}
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void SamplerVoice::startNote (int midiNoteNumber, float velocity, SynthesiserSound* s, int /*currentPitchWheelPosition*/)
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{
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    if (auto* sound = dynamic_cast<const SamplerSound*> (s))
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    {
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        pitchRatio = std::pow (2.0, (midiNoteNumber - sound->midiRootNote) / 12.0)
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                        * sound->sourceSampleRate / getSampleRate();
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        sourceSamplePosition = 0.0;
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        lgain = velocity;
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        rgain = velocity;
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        adsr.setSampleRate (sound->sourceSampleRate);
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        adsr.setParameters (sound->params);
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        adsr.noteOn();
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    }
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    else
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    {
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        jassertfalse; // this object can only play SamplerSounds!
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    }
 | 
			
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}
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void SamplerVoice::stopNote (float /*velocity*/, bool allowTailOff)
 | 
			
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{
 | 
			
		||||
    if (allowTailOff)
 | 
			
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    {
 | 
			
		||||
        adsr.noteOff();
 | 
			
		||||
    }
 | 
			
		||||
    else
 | 
			
		||||
    {
 | 
			
		||||
        clearCurrentNote();
 | 
			
		||||
        adsr.reset();
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
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void SamplerVoice::pitchWheelMoved (int /*newValue*/) {}
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void SamplerVoice::controllerMoved (int /*controllerNumber*/, int /*newValue*/) {}
 | 
			
		||||
 | 
			
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//==============================================================================
 | 
			
		||||
void SamplerVoice::renderNextBlock (AudioBuffer<float>& outputBuffer, int startSample, int numSamples)
 | 
			
		||||
{
 | 
			
		||||
    if (auto* playingSound = static_cast<SamplerSound*> (getCurrentlyPlayingSound().get()))
 | 
			
		||||
    {
 | 
			
		||||
        auto& data = *playingSound->data;
 | 
			
		||||
        const float* const inL = data.getReadPointer (0);
 | 
			
		||||
        const float* const inR = data.getNumChannels() > 1 ? data.getReadPointer (1) : nullptr;
 | 
			
		||||
 | 
			
		||||
        float* outL = outputBuffer.getWritePointer (0, startSample);
 | 
			
		||||
        float* outR = outputBuffer.getNumChannels() > 1 ? outputBuffer.getWritePointer (1, startSample) : nullptr;
 | 
			
		||||
 | 
			
		||||
        while (--numSamples >= 0)
 | 
			
		||||
        {
 | 
			
		||||
            auto pos = (int) sourceSamplePosition;
 | 
			
		||||
            auto alpha = (float) (sourceSamplePosition - pos);
 | 
			
		||||
            auto invAlpha = 1.0f - alpha;
 | 
			
		||||
 | 
			
		||||
            // just using a very simple linear interpolation here..
 | 
			
		||||
            float l = (inL[pos] * invAlpha + inL[pos + 1] * alpha);
 | 
			
		||||
            float r = (inR != nullptr) ? (inR[pos] * invAlpha + inR[pos + 1] * alpha)
 | 
			
		||||
                                       : l;
 | 
			
		||||
 | 
			
		||||
            auto envelopeValue = adsr.getNextSample();
 | 
			
		||||
 | 
			
		||||
            l *= lgain * envelopeValue;
 | 
			
		||||
            r *= rgain * envelopeValue;
 | 
			
		||||
 | 
			
		||||
            if (outR != nullptr)
 | 
			
		||||
            {
 | 
			
		||||
                *outL++ += l;
 | 
			
		||||
                *outR++ += r;
 | 
			
		||||
            }
 | 
			
		||||
            else
 | 
			
		||||
            {
 | 
			
		||||
                *outL++ += (l + r) * 0.5f;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            sourceSamplePosition += pitchRatio;
 | 
			
		||||
 | 
			
		||||
            if (sourceSamplePosition > playingSound->length)
 | 
			
		||||
            {
 | 
			
		||||
                stopNote (0.0f, false);
 | 
			
		||||
                break;
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
} // namespace juce
 | 
			
		||||
 
 | 
			
		||||
@@ -1,153 +1,153 @@
 | 
			
		||||
/*
 | 
			
		||||
  ==============================================================================
 | 
			
		||||
 | 
			
		||||
   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.
 | 
			
		||||
 | 
			
		||||
   By using JUCE, you agree to the terms of both the JUCE 6 End-User License
 | 
			
		||||
   Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
 | 
			
		||||
 | 
			
		||||
   End User License Agreement: www.juce.com/juce-6-licence
 | 
			
		||||
   Privacy Policy: www.juce.com/juce-privacy-policy
 | 
			
		||||
 | 
			
		||||
   Or: You may also use this code under the terms of the GPL v3 (see
 | 
			
		||||
   www.gnu.org/licenses).
 | 
			
		||||
 | 
			
		||||
   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
 | 
			
		||||
{
 | 
			
		||||
 | 
			
		||||
//==============================================================================
 | 
			
		||||
/**
 | 
			
		||||
    A subclass of SynthesiserSound that represents a sampled audio clip.
 | 
			
		||||
 | 
			
		||||
    This is a pretty basic sampler, and just attempts to load the whole audio stream
 | 
			
		||||
    into memory.
 | 
			
		||||
 | 
			
		||||
    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
 | 
			
		||||
    give it some SampledSound objects to play.
 | 
			
		||||
 | 
			
		||||
    @see SamplerVoice, Synthesiser, SynthesiserSound
 | 
			
		||||
 | 
			
		||||
    @tags{Audio}
 | 
			
		||||
*/
 | 
			
		||||
class JUCE_API  SamplerSound    : public SynthesiserSound
 | 
			
		||||
{
 | 
			
		||||
public:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Creates a sampled sound from an audio reader.
 | 
			
		||||
 | 
			
		||||
        This will attempt to load the audio from the source into memory and store
 | 
			
		||||
        it in this object.
 | 
			
		||||
 | 
			
		||||
        @param name         a name for the sample
 | 
			
		||||
        @param source       the audio to load. This object can be safely deleted by the
 | 
			
		||||
                            caller after this constructor returns
 | 
			
		||||
        @param midiNotes    the set of midi keys that this sound should be played on. This
 | 
			
		||||
                            is used by the SynthesiserSound::appliesToNote() method
 | 
			
		||||
        @param midiNoteForNormalPitch   the midi note at which the sample should be played
 | 
			
		||||
                                        with its natural rate. All other notes will be pitched
 | 
			
		||||
                                        up or down relative to this one
 | 
			
		||||
        @param attackTimeSecs   the attack (fade-in) time, in seconds
 | 
			
		||||
        @param releaseTimeSecs  the decay (fade-out) time, in seconds
 | 
			
		||||
        @param maxSampleLengthSeconds   a maximum length of audio to read from the audio
 | 
			
		||||
                                        source, in seconds
 | 
			
		||||
    */
 | 
			
		||||
    SamplerSound (const String& name,
 | 
			
		||||
                  AudioFormatReader& source,
 | 
			
		||||
                  const BigInteger& midiNotes,
 | 
			
		||||
                  int midiNoteForNormalPitch,
 | 
			
		||||
                  double attackTimeSecs,
 | 
			
		||||
                  double releaseTimeSecs,
 | 
			
		||||
                  double maxSampleLengthSeconds);
 | 
			
		||||
 | 
			
		||||
    /** Destructor. */
 | 
			
		||||
    ~SamplerSound() override;
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Returns the sample's name */
 | 
			
		||||
    const String& getName() const noexcept                  { return name; }
 | 
			
		||||
 | 
			
		||||
    /** Returns the audio sample data.
 | 
			
		||||
        This could return nullptr if there was a problem loading the data.
 | 
			
		||||
    */
 | 
			
		||||
    AudioBuffer<float>* getAudioData() const noexcept       { return data.get(); }
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Changes the parameters of the ADSR envelope which will be applied to the sample. */
 | 
			
		||||
    void setEnvelopeParameters (ADSR::Parameters parametersToUse)    { params = parametersToUse; }
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    bool appliesToNote (int midiNoteNumber) override;
 | 
			
		||||
    bool appliesToChannel (int midiChannel) override;
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    friend class SamplerVoice;
 | 
			
		||||
 | 
			
		||||
    String name;
 | 
			
		||||
    std::unique_ptr<AudioBuffer<float>> data;
 | 
			
		||||
    double sourceSampleRate;
 | 
			
		||||
    BigInteger midiNotes;
 | 
			
		||||
    int length = 0, midiRootNote = 0;
 | 
			
		||||
 | 
			
		||||
    ADSR::Parameters params;
 | 
			
		||||
 | 
			
		||||
    JUCE_LEAK_DETECTOR (SamplerSound)
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
//==============================================================================
 | 
			
		||||
/**
 | 
			
		||||
    A subclass of SynthesiserVoice that can play a SamplerSound.
 | 
			
		||||
 | 
			
		||||
    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
 | 
			
		||||
    give it some SampledSound objects to play.
 | 
			
		||||
 | 
			
		||||
    @see SamplerSound, Synthesiser, SynthesiserVoice
 | 
			
		||||
 | 
			
		||||
    @tags{Audio}
 | 
			
		||||
*/
 | 
			
		||||
class JUCE_API  SamplerVoice    : public SynthesiserVoice
 | 
			
		||||
{
 | 
			
		||||
public:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Creates a SamplerVoice. */
 | 
			
		||||
    SamplerVoice();
 | 
			
		||||
 | 
			
		||||
    /** Destructor. */
 | 
			
		||||
    ~SamplerVoice() override;
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    bool canPlaySound (SynthesiserSound*) override;
 | 
			
		||||
 | 
			
		||||
    void startNote (int midiNoteNumber, float velocity, SynthesiserSound*, int pitchWheel) override;
 | 
			
		||||
    void stopNote (float velocity, bool allowTailOff) override;
 | 
			
		||||
 | 
			
		||||
    void pitchWheelMoved (int newValue) override;
 | 
			
		||||
    void controllerMoved (int controllerNumber, int newValue) override;
 | 
			
		||||
 | 
			
		||||
    void renderNextBlock (AudioBuffer<float>&, int startSample, int numSamples) override;
 | 
			
		||||
    using SynthesiserVoice::renderNextBlock;
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    double pitchRatio = 0;
 | 
			
		||||
    double sourceSamplePosition = 0;
 | 
			
		||||
    float lgain = 0, rgain = 0;
 | 
			
		||||
 | 
			
		||||
    ADSR adsr;
 | 
			
		||||
 | 
			
		||||
    JUCE_LEAK_DETECTOR (SamplerVoice)
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
} // namespace juce
 | 
			
		||||
/*
 | 
			
		||||
  ==============================================================================
 | 
			
		||||
 | 
			
		||||
   This file is part of the JUCE library.
 | 
			
		||||
   Copyright (c) 2022 - Raw Material Software Limited
 | 
			
		||||
 | 
			
		||||
   JUCE is an open source library subject to commercial or open-source
 | 
			
		||||
   licensing.
 | 
			
		||||
 | 
			
		||||
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
 | 
			
		||||
   Agreement and JUCE Privacy Policy.
 | 
			
		||||
 | 
			
		||||
   End User License Agreement: www.juce.com/juce-7-licence
 | 
			
		||||
   Privacy Policy: www.juce.com/juce-privacy-policy
 | 
			
		||||
 | 
			
		||||
   Or: You may also use this code under the terms of the GPL v3 (see
 | 
			
		||||
   www.gnu.org/licenses).
 | 
			
		||||
 | 
			
		||||
   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
 | 
			
		||||
{
 | 
			
		||||
 | 
			
		||||
//==============================================================================
 | 
			
		||||
/**
 | 
			
		||||
    A subclass of SynthesiserSound that represents a sampled audio clip.
 | 
			
		||||
 | 
			
		||||
    This is a pretty basic sampler, and just attempts to load the whole audio stream
 | 
			
		||||
    into memory.
 | 
			
		||||
 | 
			
		||||
    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
 | 
			
		||||
    give it some SampledSound objects to play.
 | 
			
		||||
 | 
			
		||||
    @see SamplerVoice, Synthesiser, SynthesiserSound
 | 
			
		||||
 | 
			
		||||
    @tags{Audio}
 | 
			
		||||
*/
 | 
			
		||||
class JUCE_API  SamplerSound    : public SynthesiserSound
 | 
			
		||||
{
 | 
			
		||||
public:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Creates a sampled sound from an audio reader.
 | 
			
		||||
 | 
			
		||||
        This will attempt to load the audio from the source into memory and store
 | 
			
		||||
        it in this object.
 | 
			
		||||
 | 
			
		||||
        @param name         a name for the sample
 | 
			
		||||
        @param source       the audio to load. This object can be safely deleted by the
 | 
			
		||||
                            caller after this constructor returns
 | 
			
		||||
        @param midiNotes    the set of midi keys that this sound should be played on. This
 | 
			
		||||
                            is used by the SynthesiserSound::appliesToNote() method
 | 
			
		||||
        @param midiNoteForNormalPitch   the midi note at which the sample should be played
 | 
			
		||||
                                        with its natural rate. All other notes will be pitched
 | 
			
		||||
                                        up or down relative to this one
 | 
			
		||||
        @param attackTimeSecs   the attack (fade-in) time, in seconds
 | 
			
		||||
        @param releaseTimeSecs  the decay (fade-out) time, in seconds
 | 
			
		||||
        @param maxSampleLengthSeconds   a maximum length of audio to read from the audio
 | 
			
		||||
                                        source, in seconds
 | 
			
		||||
    */
 | 
			
		||||
    SamplerSound (const String& name,
 | 
			
		||||
                  AudioFormatReader& source,
 | 
			
		||||
                  const BigInteger& midiNotes,
 | 
			
		||||
                  int midiNoteForNormalPitch,
 | 
			
		||||
                  double attackTimeSecs,
 | 
			
		||||
                  double releaseTimeSecs,
 | 
			
		||||
                  double maxSampleLengthSeconds);
 | 
			
		||||
 | 
			
		||||
    /** Destructor. */
 | 
			
		||||
    ~SamplerSound() override;
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Returns the sample's name */
 | 
			
		||||
    const String& getName() const noexcept                  { return name; }
 | 
			
		||||
 | 
			
		||||
    /** Returns the audio sample data.
 | 
			
		||||
        This could return nullptr if there was a problem loading the data.
 | 
			
		||||
    */
 | 
			
		||||
    AudioBuffer<float>* getAudioData() const noexcept       { return data.get(); }
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Changes the parameters of the ADSR envelope which will be applied to the sample. */
 | 
			
		||||
    void setEnvelopeParameters (ADSR::Parameters parametersToUse)    { params = parametersToUse; }
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    bool appliesToNote (int midiNoteNumber) override;
 | 
			
		||||
    bool appliesToChannel (int midiChannel) override;
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    friend class SamplerVoice;
 | 
			
		||||
 | 
			
		||||
    String name;
 | 
			
		||||
    std::unique_ptr<AudioBuffer<float>> data;
 | 
			
		||||
    double sourceSampleRate;
 | 
			
		||||
    BigInteger midiNotes;
 | 
			
		||||
    int length = 0, midiRootNote = 0;
 | 
			
		||||
 | 
			
		||||
    ADSR::Parameters params;
 | 
			
		||||
 | 
			
		||||
    JUCE_LEAK_DETECTOR (SamplerSound)
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
//==============================================================================
 | 
			
		||||
/**
 | 
			
		||||
    A subclass of SynthesiserVoice that can play a SamplerSound.
 | 
			
		||||
 | 
			
		||||
    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
 | 
			
		||||
    give it some SampledSound objects to play.
 | 
			
		||||
 | 
			
		||||
    @see SamplerSound, Synthesiser, SynthesiserVoice
 | 
			
		||||
 | 
			
		||||
    @tags{Audio}
 | 
			
		||||
*/
 | 
			
		||||
class JUCE_API  SamplerVoice    : public SynthesiserVoice
 | 
			
		||||
{
 | 
			
		||||
public:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    /** Creates a SamplerVoice. */
 | 
			
		||||
    SamplerVoice();
 | 
			
		||||
 | 
			
		||||
    /** Destructor. */
 | 
			
		||||
    ~SamplerVoice() override;
 | 
			
		||||
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    bool canPlaySound (SynthesiserSound*) override;
 | 
			
		||||
 | 
			
		||||
    void startNote (int midiNoteNumber, float velocity, SynthesiserSound*, int pitchWheel) override;
 | 
			
		||||
    void stopNote (float velocity, bool allowTailOff) override;
 | 
			
		||||
 | 
			
		||||
    void pitchWheelMoved (int newValue) override;
 | 
			
		||||
    void controllerMoved (int controllerNumber, int newValue) override;
 | 
			
		||||
 | 
			
		||||
    void renderNextBlock (AudioBuffer<float>&, int startSample, int numSamples) override;
 | 
			
		||||
    using SynthesiserVoice::renderNextBlock;
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
    //==============================================================================
 | 
			
		||||
    double pitchRatio = 0;
 | 
			
		||||
    double sourceSamplePosition = 0;
 | 
			
		||||
    float lgain = 0, rgain = 0;
 | 
			
		||||
 | 
			
		||||
    ADSR adsr;
 | 
			
		||||
 | 
			
		||||
    JUCE_LEAK_DETECTOR (SamplerVoice)
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
} // namespace juce
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user