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Add all PIP examples

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ed 2018-03-15 11:45:45 +00:00
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examples/Plugins/MultiOutSynthPluginDemo.h Normal file
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/*
==============================================================================
This file is part of the JUCE examples.
Copyright (c) 2017 - ROLI Ltd.
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.
THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
/*******************************************************************************
The block below describes the properties of this PIP. A PIP is a short snippet
of code that can be read by the Projucer and used to generate a JUCE project.
BEGIN_JUCE_PIP_METADATA
name: MultiOutSynthPlugin
version: 1.0.0
vendor: juce
website: http://juce.com
description: Multi-out synthesiser audio plugin.
dependencies: juce_audio_basics, juce_audio_devices, juce_audio_formats,
juce_audio_plugin_client, juce_audio_processors,
juce_audio_utils, juce_core, juce_data_structures,
juce_events, juce_graphics, juce_gui_basics, juce_gui_extra
exporters: xcode_mac, vs2017
type: AudioProcessor
mainClass: MultiOutSynth
useLocalCopy: 1
END_JUCE_PIP_METADATA
*******************************************************************************/
#pragma once
#include "../Assets/DemoUtilities.h"
//==============================================================================
class MultiOutSynth : public AudioProcessor
{
public:
enum
{
maxMidiChannel = 16,
maxNumberOfVoices = 5
};
//==============================================================================
MultiOutSynth()
: AudioProcessor (BusesProperties()
.withOutput ("Output #1", AudioChannelSet::stereo(), true)
.withOutput ("Output #2", AudioChannelSet::stereo(), false)
.withOutput ("Output #3", AudioChannelSet::stereo(), false)
.withOutput ("Output #4", AudioChannelSet::stereo(), false)
.withOutput ("Output #5", AudioChannelSet::stereo(), false)
.withOutput ("Output #6", AudioChannelSet::stereo(), false)
.withOutput ("Output #7", AudioChannelSet::stereo(), false)
.withOutput ("Output #8", AudioChannelSet::stereo(), false)
.withOutput ("Output #9", AudioChannelSet::stereo(), false)
.withOutput ("Output #10", AudioChannelSet::stereo(), false)
.withOutput ("Output #11", AudioChannelSet::stereo(), false)
.withOutput ("Output #12", AudioChannelSet::stereo(), false)
.withOutput ("Output #13", AudioChannelSet::stereo(), false)
.withOutput ("Output #14", AudioChannelSet::stereo(), false)
.withOutput ("Output #15", AudioChannelSet::stereo(), false)
.withOutput ("Output #16", AudioChannelSet::stereo(), false))
{
// initialize other stuff (not related to buses)
formatManager.registerBasicFormats();
for (int midiChannel = 0; midiChannel < maxMidiChannel; ++midiChannel)
{
synth.add (new Synthesiser());
for (int i = 0; i < maxNumberOfVoices; ++i)
synth[midiChannel]->addVoice (new SamplerVoice());
}
loadNewSample (getAssetsDirectory().getChildFile ("singing.ogg"));
}
~MultiOutSynth() {}
//==============================================================================
bool canAddBus (bool isInput) const override { return (! isInput && getBusCount (false) < maxMidiChannel); }
bool canRemoveBus (bool isInput) const override { return (! isInput && getBusCount (false) > 1); }
//==============================================================================
void prepareToPlay (double newSampleRate, int samplesPerBlock) override
{
ignoreUnused (samplesPerBlock);
for (auto midiChannel = 0; midiChannel < maxMidiChannel; ++midiChannel)
synth[midiChannel]->setCurrentPlaybackSampleRate (newSampleRate);
}
void releaseResources() override {}
void processBlock (AudioBuffer<float>& buffer, MidiBuffer& midiBuffer) override
{
auto busCount = getBusCount (false);
for (auto busNr = 0; busNr < busCount; ++busNr)
{
auto midiChannelBuffer = filterMidiMessagesForChannel (midiBuffer, busNr + 1);
auto audioBusBuffer = getBusBuffer (buffer, false, busNr);
synth [busNr]->renderNextBlock (audioBusBuffer, midiChannelBuffer, 0, audioBusBuffer.getNumSamples());
}
}
//==============================================================================
AudioProcessorEditor* createEditor() override { return new GenericAudioProcessorEditor (this); }
bool hasEditor() const override { return true; }
//==============================================================================
const String getName() const override { return "Multi Out Synth PlugIn"; }
bool acceptsMidi() const override { return false; }
bool producesMidi() const override { return false; }
double getTailLengthSeconds() const override { return 0; }
int getNumPrograms() override { return 1; }
int getCurrentProgram() override { return 0; }
void setCurrentProgram (int) override {}
const String getProgramName (int) override { return {}; }
void changeProgramName (int, const String&) override {}
//==============================================================================
void getStateInformation (MemoryBlock&) override {}
void setStateInformation (const void*, int) override {}
private:
//==============================================================================
static MidiBuffer filterMidiMessagesForChannel (const MidiBuffer& input, int channel)
{
MidiMessage msg;
int samplePosition;
MidiBuffer output;
for (MidiBuffer::Iterator it (input); it.getNextEvent (msg, samplePosition);)
if (msg.getChannel() == channel) output.addEvent (msg, samplePosition);
return output;
}
void loadNewSample (const File& sampleFile)
{
auto* soundBuffer = sampleFile.createInputStream();
ScopedPointer<AudioFormatReader> formatReader (formatManager.findFormatForFileExtension ("ogg")->createReaderFor (soundBuffer, true));
BigInteger midiNotes;
midiNotes.setRange (0, 126, true);
SynthesiserSound::Ptr newSound = new SamplerSound ("Voice", *formatReader, midiNotes, 0x40, 0.0, 0.0, 10.0);
for (int channel = 0; channel < maxMidiChannel; ++channel)
synth[channel]->removeSound (0);
sound = newSound;
for (int channel = 0; channel < maxMidiChannel; ++channel)
synth[channel]->addSound (sound);
}
//==============================================================================
AudioFormatManager formatManager;
OwnedArray<Synthesiser> synth;
SynthesiserSound::Ptr sound;
//==============================================================================
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiOutSynth)
};