682 lines
22 KiB
C++
682 lines
22 KiB
C++
/*
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* DISTRHO Cardinal Plugin
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* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* For a full copy of the GNU General Public License see the LICENSE file.
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*/
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#include <juce_audio_processors/juce_audio_processors.h>
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#define createPlugin createStaticPlugin
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#include "src/DistrhoPluginInternal.hpp"
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#include "src/DistrhoUIInternal.hpp"
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START_NAMESPACE_DISTRHO
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// --------------------------------------------------------------------------------------------------------------------
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class ParameterFromDPF : public juce::AudioProcessorParameter
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{
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PluginExporter& plugin;
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const ParameterEnumerationValues& enumValues;
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const ParameterRanges& ranges;
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const uint32_t hints;
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const uint index;
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bool* const updatedPtr;
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mutable juce::StringArray dpfValueStrings;
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public:
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ParameterFromDPF(PluginExporter& plugin_, const uint index_, bool* const updatedPtr_)
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: plugin(plugin_),
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enumValues(plugin_.getParameterEnumValues(index_)),
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ranges(plugin_.getParameterRanges(index_)),
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hints(plugin_.getParameterHints(index_)),
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index(index_),
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updatedPtr(updatedPtr_) {}
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void setValueNotifyingHostFromDPF(const float newValue)
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{
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setValueNotifyingHost(ranges.getNormalizedValue(newValue));
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*updatedPtr = false;
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}
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protected:
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float getValue() const override
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{
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return ranges.getNormalizedValue(plugin.getParameterValue(index));
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}
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void setValue(const float newValue) override
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{
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*updatedPtr = true;
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plugin.setParameterValue(index, ranges.getUnnormalizedValue(newValue));
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}
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float getDefaultValue() const override
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{
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return ranges.getNormalizedValue(plugin.getParameterDefault(index));
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}
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juce::String getName(const int maximumStringLength) const override
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{
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if (maximumStringLength <= 0)
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return juce::String(plugin.getParameterName(index).buffer());
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return juce::String(plugin.getParameterName(index).buffer(), static_cast<size_t>(maximumStringLength));
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}
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juce::String getLabel() const override
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{
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return plugin.getParameterUnit(index).buffer();
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}
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int getNumSteps() const override
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{
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if (hints & kParameterIsBoolean)
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return 2;
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if (enumValues.restrictedMode)
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return enumValues.count;
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if (hints & kParameterIsInteger)
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return ranges.max - ranges.min;
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return juce::AudioProcessorParameter::getNumSteps();
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}
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bool isDiscrete() const override
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{
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if (hints & (kParameterIsBoolean|kParameterIsInteger))
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return true;
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if (enumValues.restrictedMode)
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return true;
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return false;
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}
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bool isBoolean() const override
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{
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return (hints & kParameterIsBoolean) != 0x0;
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}
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juce::String getText(const float normalizedValue, const int maximumStringLength) const override
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{
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float value = ranges.getUnnormalizedValue(normalizedValue);
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if (hints & kParameterIsBoolean)
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{
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const float midRange = ranges.min + (ranges.max - ranges.min) * 0.5f;
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value = value > midRange ? ranges.max : ranges.min;
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}
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else if (hints & kParameterIsInteger)
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{
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value = std::round(value);
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}
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if (enumValues.restrictedMode)
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{
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for (uint32_t i=0; i < enumValues.count; ++i)
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{
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if (d_isEqual(enumValues.values[i].value, value))
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{
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if (maximumStringLength <= 0)
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return juce::String(enumValues.values[i].label);
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return juce::String(enumValues.values[i].label, static_cast<size_t>(maximumStringLength));
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}
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}
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}
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juce::String text;
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if (hints & kParameterIsInteger)
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text = juce::String(static_cast<int>(value));
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else
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text = juce::String(value);
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if (maximumStringLength <= 0)
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return text;
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return juce::String(text.toRawUTF8(), static_cast<size_t>(maximumStringLength));
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}
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float getValueForText(const juce::String& text) const override
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{
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if (enumValues.restrictedMode)
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{
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for (uint32_t i=0; i < enumValues.count; ++i)
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{
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if (text == enumValues.values[i].label.buffer())
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return ranges.getNormalizedValue(enumValues.values[i].value);
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}
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}
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float value;
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if (hints & kParameterIsInteger)
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value = std::atoi(text.toRawUTF8());
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else
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value = std::atof(text.toRawUTF8());
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return ranges.getFixedAndNormalizedValue(value);
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}
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bool isAutomatable() const override
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{
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return (hints & kParameterIsAutomatable) != 0x0;
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}
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juce::String getCurrentValueAsText() const override
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{
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const float value = plugin.getParameterValue(index);
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if (enumValues.restrictedMode)
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{
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for (uint32_t i=0; i < enumValues.count; ++i)
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{
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if (d_isEqual(enumValues.values[i].value, value))
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return juce::String(enumValues.values[i].label);
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}
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}
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if (hints & kParameterIsInteger)
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return juce::String(static_cast<int>(value));
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return juce::String(value);
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}
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juce::StringArray getAllValueStrings() const override
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{
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if (dpfValueStrings.size() != 0)
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return dpfValueStrings;
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if (enumValues.restrictedMode)
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{
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for (uint32_t i=0; i < enumValues.count; ++i)
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dpfValueStrings.add(enumValues.values[i].label.buffer());
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return dpfValueStrings;
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}
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if (hints & kParameterIsBoolean)
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{
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if (hints & kParameterIsInteger)
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{
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dpfValueStrings.add(juce::String(static_cast<int>(ranges.min)));
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dpfValueStrings.add(juce::String(static_cast<int>(ranges.max)));
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}
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else
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{
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dpfValueStrings.add(juce::String(ranges.min));
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dpfValueStrings.add(juce::String(ranges.max));
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}
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}
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else if (hints & kParameterIsInteger)
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{
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const int imin = static_cast<int>(ranges.min);
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const int imax = static_cast<int>(ranges.max);
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for (int i=imin; i<=imax; ++i)
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dpfValueStrings.add(juce::String(i));
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}
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return dpfValueStrings;
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}
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};
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// --------------------------------------------------------------------------------------------------------------------
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// unused in cardinal
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static constexpr const requestParameterValueChangeFunc nullRequestParameterValueChangeFunc = nullptr;
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// only needed for headless builds, which this wrapper never builds for
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static constexpr const updateStateValueFunc nullUpdateStateValueFunc = nullptr;
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// DSP/processor implementation
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class CardinalWrapperProcessor : public juce::AudioProcessor
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{
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friend class CardinalWrapperEditor;
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PluginExporter plugin;
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MidiEvent midiEvents[kMaxMidiEvents];
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TimePosition timePosition;
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const uint32_t parameterCount;
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juce::AudioProcessorParameter* bypassParameter;
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juce::MidiBuffer* currentMidiMessages;
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bool* updatedParameters;
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public:
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CardinalWrapperProcessor()
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: plugin(this, writeMidiFunc, nullRequestParameterValueChangeFunc, nullUpdateStateValueFunc),
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parameterCount(plugin.getParameterCount()),
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bypassParameter(nullptr),
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currentMidiMessages(nullptr),
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updatedParameters(nullptr)
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{
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if (const double sampleRate = getSampleRate())
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if (sampleRate > 0.0)
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plugin.setSampleRate(sampleRate);
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if (const int samplesPerBlock = getBlockSize())
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if (samplesPerBlock > 0)
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plugin.setBufferSize(static_cast<uint32_t>(samplesPerBlock));
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if (parameterCount != 0)
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{
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updatedParameters = new bool[parameterCount];
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std::memset(updatedParameters, 0, sizeof(bool)*parameterCount);
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for (uint i=0; i<parameterCount; ++i)
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{
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ParameterFromDPF* const param = new ParameterFromDPF(plugin, i, updatedParameters + i);
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addParameter(param);
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if (plugin.getParameterDesignation(i) == kParameterDesignationBypass)
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bypassParameter = param;
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}
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}
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}
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~CardinalWrapperProcessor() override
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{
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delete[] updatedParameters;
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}
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protected:
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const juce::String getName() const override
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{
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return plugin.getName();
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}
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juce::StringArray getAlternateDisplayNames() const override
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{
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return juce::StringArray(plugin.getLabel());
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}
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void prepareToPlay(const double sampleRate, const int samplesPerBlock) override
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{
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DISTRHO_SAFE_ASSERT_RETURN(samplesPerBlock > 0,);
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plugin.deactivateIfNeeded();
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plugin.setSampleRate(sampleRate);
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plugin.setBufferSize(static_cast<uint32_t>(samplesPerBlock));
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plugin.activate();
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}
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void releaseResources() override
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{
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plugin.deactivateIfNeeded();
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}
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void processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) override
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{
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const int numSamples = buffer.getNumSamples();
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DISTRHO_SAFE_ASSERT_INT_RETURN(numSamples > 0, numSamples, midiMessages.clear());
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uint32_t midiEventCount = 0;
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for (const juce::MidiMessageMetadata midiMessage : midiMessages)
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{
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DISTRHO_SAFE_ASSERT_CONTINUE(midiMessage.numBytes > 0);
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DISTRHO_SAFE_ASSERT_CONTINUE(midiMessage.samplePosition >= 0);
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if (midiMessage.numBytes > static_cast<int>(MidiEvent::kDataSize))
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continue;
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MidiEvent& midiEvent(midiEvents[midiEventCount++]);
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midiEvent.frame = static_cast<uint32_t>(midiMessage.samplePosition);
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midiEvent.size = (static_cast<uint8_t>(midiMessage.numBytes));
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std::memcpy(midiEvent.data, midiMessage.data, midiEvent.size);
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if (midiEventCount == kMaxMidiEvents)
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break;
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}
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midiMessages.clear();
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const juce::ScopedValueSetter<juce::MidiBuffer*> cvs(currentMidiMessages, &midiMessages, nullptr);
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juce::AudioPlayHead* const playhead = getPlayHead();
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juce::AudioPlayHead::CurrentPositionInfo posInfo;
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if (playhead != nullptr && playhead->getCurrentPosition(posInfo))
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{
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timePosition.playing = posInfo.isPlaying;
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timePosition.bbt.valid = true;
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// ticksPerBeat is not possible with JUCE
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timePosition.bbt.ticksPerBeat = 1920.0;
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if (posInfo.timeInSamples >= 0)
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timePosition.frame = static_cast<uint64_t>(posInfo.timeInSamples);
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else
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timePosition.frame = 0;
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timePosition.bbt.beatsPerMinute = posInfo.bpm;
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const double ppqPos = std::abs(posInfo.ppqPosition);
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const int ppqPerBar = posInfo.timeSigNumerator * 4 / posInfo.timeSigDenominator;
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const double barBeats = (std::fmod(ppqPos, ppqPerBar) / ppqPerBar) * posInfo.timeSigNumerator;
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const double rest = std::fmod(barBeats, 1.0);
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timePosition.bbt.bar = static_cast<int32_t>(ppqPos) / ppqPerBar + 1;
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timePosition.bbt.beat = static_cast<int32_t>(barBeats - rest + 0.5) + 1;
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timePosition.bbt.tick = rest * timePosition.bbt.ticksPerBeat;
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timePosition.bbt.beatsPerBar = posInfo.timeSigNumerator;
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timePosition.bbt.beatType = posInfo.timeSigDenominator;
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if (posInfo.ppqPosition < 0.0)
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{
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--timePosition.bbt.bar;
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timePosition.bbt.beat = posInfo.timeSigNumerator - timePosition.bbt.beat + 1;
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timePosition.bbt.tick = timePosition.bbt.ticksPerBeat - timePosition.bbt.tick - 1;
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}
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timePosition.bbt.barStartTick = timePosition.bbt.ticksPerBeat*
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timePosition.bbt.beatsPerBar*
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(timePosition.bbt.bar-1);
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}
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else
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{
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timePosition.frame = 0;
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timePosition.playing = false;
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timePosition.bbt.valid = false;
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}
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plugin.setTimePosition(timePosition);
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DISTRHO_SAFE_ASSERT_RETURN(buffer.getNumChannels() == 2,);
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const float* audioBufferIn[2];
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float* audioBufferOut[2];
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audioBufferIn[0] = buffer.getReadPointer(0);
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audioBufferIn[1] = buffer.getReadPointer(1);
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audioBufferOut[0] = buffer.getWritePointer(0);
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audioBufferOut[1] = buffer.getWritePointer(1);
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plugin.run(audioBufferIn, audioBufferOut, static_cast<uint32_t>(numSamples), midiEvents, midiEventCount);
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}
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// fix compiler warning
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void processBlock(juce::AudioBuffer<double>&, juce::MidiBuffer&) override {}
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double getTailLengthSeconds() const override
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{
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return 0.0;
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}
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bool acceptsMidi() const override
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{
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return true;
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}
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bool producesMidi() const override
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{
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return true;
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}
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juce::AudioProcessorParameter* getBypassParameter() const override
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{
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return bypassParameter;
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}
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juce::AudioProcessorEditor* createEditor() override;
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bool hasEditor() const override
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{
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return true;
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}
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int getNumPrograms() override
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{
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return 1;
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}
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int getCurrentProgram() override
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{
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return 0;
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}
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void setCurrentProgram(int) override
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{
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}
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const juce::String getProgramName(int) override
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{
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return "Default";
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}
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void changeProgramName(int, const juce::String&) override
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{
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}
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void getStateInformation(juce::MemoryBlock& destData) override
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{
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juce::XmlElement xmlState("CardinalState");
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for (uint32_t i=0; i<parameterCount; ++i)
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xmlState.setAttribute(plugin.getParameterSymbol(i).buffer(), plugin.getParameterValue(i));
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for (uint32_t i=0, stateCount=plugin.getStateCount(); i<stateCount; ++i)
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{
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const String& key(plugin.getStateKey(i));
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xmlState.setAttribute(key.buffer(), plugin.getStateValue(key).buffer());
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}
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copyXmlToBinary(xmlState, destData);
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}
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void setStateInformation(const void* const data, const int sizeInBytes) override
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{
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std::unique_ptr<juce::XmlElement> xmlState(getXmlFromBinary(data, sizeInBytes));
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DISTRHO_SAFE_ASSERT_RETURN(xmlState.get() != nullptr,);
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const juce::Array<juce::AudioProcessorParameter*>& parameters(getParameters());
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for (uint32_t i=0; i<parameterCount; ++i)
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{
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const double value = xmlState->getDoubleAttribute(plugin.getParameterSymbol(i).buffer(),
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plugin.getParameterDefault(i));
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const float normalizedValue = plugin.getParameterRanges(i).getFixedAndNormalizedValue(value);
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parameters.getUnchecked(static_cast<int>(i))->setValueNotifyingHost(normalizedValue);
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}
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for (uint32_t i=0, stateCount=plugin.getStateCount(); i<stateCount; ++i)
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{
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const String& key(plugin.getStateKey(i));
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const juce::String value = xmlState->getStringAttribute(key.buffer(),
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plugin.getStateDefaultValue(i).buffer());
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plugin.setState(key, value.toRawUTF8());
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}
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}
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private:
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static bool writeMidiFunc(void* const ptr, const MidiEvent& midiEvent)
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{
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CardinalWrapperProcessor* const processor = static_cast<CardinalWrapperProcessor*>(ptr);
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DISTRHO_SAFE_ASSERT_RETURN(processor != nullptr, false);
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juce::MidiBuffer* const currentMidiMessages = processor->currentMidiMessages;
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DISTRHO_SAFE_ASSERT_RETURN(currentMidiMessages != nullptr, false);
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const uint8_t* const data = midiEvent.size > MidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data;
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return currentMidiMessages->addEvent(data,
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static_cast<int>(midiEvent.size),
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static_cast<int>(midiEvent.frame));
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}
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};
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// --------------------------------------------------------------------------------------------------------------------
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// unused in cardinal
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static constexpr const sendNoteFunc nullSendNoteFunc = nullptr;
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// unwanted, juce file dialogs are ugly
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static constexpr const fileRequestFunc nullFileRequestFunc = nullptr;
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// UI/editor implementation
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class CardinalWrapperEditor : public juce::AudioProcessorEditor,
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private juce::Timer
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{
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CardinalWrapperProcessor& cardinalProcessor;
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UIExporter* ui;
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void* const dspPtr;
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public:
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CardinalWrapperEditor(CardinalWrapperProcessor& cardinalProc)
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: juce::AudioProcessorEditor(cardinalProc),
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cardinalProcessor(cardinalProc),
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ui(nullptr),
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dspPtr(cardinalProc.plugin.getInstancePointer())
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{
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setOpaque(true);
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setResizable(true, false);
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// setResizeLimits(648, 538, -1, -1);
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setSize(1228, 666);
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startTimer(1000.0 / 60.0);
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|
}
|
|
|
|
~CardinalWrapperEditor() override
|
|
{
|
|
stopTimer();
|
|
delete ui;
|
|
}
|
|
|
|
protected:
|
|
void timerCallback() override
|
|
{
|
|
if (ui == nullptr)
|
|
return;
|
|
|
|
for (uint32_t i=0; i<cardinalProcessor.parameterCount; ++i)
|
|
{
|
|
if (cardinalProcessor.updatedParameters[i])
|
|
{
|
|
cardinalProcessor.updatedParameters[i] = false;
|
|
ui->parameterChanged(i, cardinalProcessor.plugin.getParameterValue(i));
|
|
}
|
|
}
|
|
|
|
repaint();
|
|
}
|
|
|
|
void paint(juce::Graphics&) override
|
|
{
|
|
if (ui == nullptr)
|
|
{
|
|
juce::ComponentPeer* const peer = getPeer();
|
|
DISTRHO_SAFE_ASSERT_RETURN(peer != nullptr,);
|
|
|
|
void* const nativeHandle = peer->getNativeHandle();
|
|
DISTRHO_SAFE_ASSERT_RETURN(nativeHandle != nullptr,);
|
|
|
|
ui = new UIExporter(this,
|
|
(uintptr_t)nativeHandle,
|
|
cardinalProcessor.getSampleRate(),
|
|
editParamFunc,
|
|
setParamFunc,
|
|
setStateFunc,
|
|
nullSendNoteFunc,
|
|
setSizeFunc,
|
|
nullFileRequestFunc,
|
|
nullptr, // bundlePath
|
|
dspPtr,
|
|
0.0 // scaleFactor
|
|
);
|
|
|
|
if (cardinalProcessor.wrapperType == juce::AudioProcessor::wrapperType_Standalone)
|
|
{
|
|
const double scaleFactor = ui->getScaleFactor();
|
|
ui->setWindowOffset(4 * scaleFactor, 30 * scaleFactor);
|
|
}
|
|
}
|
|
|
|
ui->plugin_idle();
|
|
}
|
|
|
|
private:
|
|
static void editParamFunc(void* const ptr, const uint32_t index, const bool started)
|
|
{
|
|
CardinalWrapperEditor* const editor = static_cast<CardinalWrapperEditor*>(ptr);
|
|
DISTRHO_SAFE_ASSERT_RETURN(editor != nullptr,);
|
|
|
|
CardinalWrapperProcessor& cardinalProcessor(editor->cardinalProcessor);
|
|
|
|
if (started)
|
|
cardinalProcessor.getParameters().getUnchecked(static_cast<int>(index))->beginChangeGesture();
|
|
else
|
|
cardinalProcessor.getParameters().getUnchecked(static_cast<int>(index))->endChangeGesture();
|
|
}
|
|
|
|
static void setParamFunc(void* const ptr, const uint32_t index, const float value)
|
|
{
|
|
CardinalWrapperEditor* const editor = static_cast<CardinalWrapperEditor*>(ptr);
|
|
DISTRHO_SAFE_ASSERT_RETURN(editor != nullptr,);
|
|
|
|
CardinalWrapperProcessor& cardinalProcessor(editor->cardinalProcessor);
|
|
const juce::Array<juce::AudioProcessorParameter*>& parameters(cardinalProcessor.getParameters());
|
|
juce::AudioProcessorParameter* const parameter = parameters.getUnchecked(static_cast<int>(index));
|
|
static_cast<ParameterFromDPF*>(parameter)->setValueNotifyingHostFromDPF(value);
|
|
}
|
|
|
|
static void setStateFunc(void* const ptr, const char* const key, const char* const value)
|
|
{
|
|
CardinalWrapperEditor* const editor = static_cast<CardinalWrapperEditor*>(ptr);
|
|
DISTRHO_SAFE_ASSERT_RETURN(editor != nullptr,);
|
|
|
|
CardinalWrapperProcessor& cardinalProcessor(editor->cardinalProcessor);
|
|
cardinalProcessor.plugin.setState(key, value);
|
|
}
|
|
|
|
static void setSizeFunc(void* const ptr, uint width, uint height)
|
|
{
|
|
CardinalWrapperEditor* const editor = static_cast<CardinalWrapperEditor*>(ptr);
|
|
DISTRHO_SAFE_ASSERT_RETURN(editor != nullptr,);
|
|
|
|
#ifdef DISTRHO_OS_MAC
|
|
UIExporter* const ui = editor->ui;
|
|
DISTRHO_SAFE_ASSERT_RETURN(ui != nullptr,);
|
|
|
|
const double scaleFactor = ui->getScaleFactor();
|
|
width /= scaleFactor;
|
|
height /= scaleFactor;
|
|
#endif
|
|
|
|
editor->setSize(static_cast<int>(width), static_cast<int>(height));
|
|
}
|
|
};
|
|
|
|
juce::AudioProcessorEditor* CardinalWrapperProcessor::createEditor()
|
|
{
|
|
return new CardinalWrapperEditor(*this);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------------------------------------------
|
|
|
|
END_NAMESPACE_DISTRHO
|
|
|
|
// --------------------------------------------------------------------------------------------------------------------
|
|
|
|
juce::AudioProcessor* createPluginFilter()
|
|
{
|
|
// set valid but dummy values
|
|
d_nextBufferSize = 512;
|
|
d_nextSampleRate = 48000.0;
|
|
return new DISTRHO_NAMESPACE::CardinalWrapperProcessor;
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------------------------------------------
|