|
- /*
- * Carla Native Plugins
- * Copyright (C) 2012-2015 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
-
- #include "CarlaNativeExtUI.hpp"
- #include "CarlaJuceUtils.hpp"
-
- #include "juce_audio_basics.h"
-
- #include "zita-at1/jclient.cc"
- #include "zita-at1/retuner.cc"
-
- using juce::roundToIntAccurate;
- using juce::FloatVectorOperations;
- using juce::ScopedPointer;
-
- using namespace AT1;
-
- // -----------------------------------------------------------------------
- // AT1 Plugin
-
- class AT1Plugin : public NativePluginAndUiClass
- {
- public:
- enum Parameters {
- // rotary knobs
- kParameterR_TUNE,
- kParameterR_FILT,
- kParameterR_BIAS,
- kParameterR_CORR,
- kParameterR_OFFS,
- // knob count
- kParameterNROTARY,
- // midi channel
- kParameterM_CHANNEL = kParameterNROTARY,
- // final count
- kNumParameters
- };
-
- AT1Plugin(const NativeHostDescriptor* const host)
- : NativePluginAndUiClass(host, "at1-ui"),
- fJackClient(),
- jclient(nullptr),
- notemask(0xfff)
- {
- CARLA_SAFE_ASSERT(host != nullptr);
-
- carla_zeroStruct(fJackClient);
-
- fJackClient.bufferSize = getBufferSize();
- fJackClient.sampleRate = getSampleRate();
-
- // set initial values
- fParameters[kParameterR_TUNE] = 440.0f;
- fParameters[kParameterR_FILT] = 0.1f;
- fParameters[kParameterR_BIAS] = 0.5f;
- fParameters[kParameterR_CORR] = 1.0f;
- fParameters[kParameterR_OFFS] = 0.0f;
- fParameters[kParameterM_CHANNEL] = 0.0f;
-
- _recreateZitaClient();
- }
-
- // -------------------------------------------------------------------
- // Plugin parameter calls
-
- uint32_t getParameterCount() const override
- {
- return kNumParameters;
- }
-
- const NativeParameter* getParameterInfo(const uint32_t index) const override
- {
- CARLA_SAFE_ASSERT_RETURN(index < kNumParameters, nullptr);
-
- static NativeParameter param;
- static NativeParameterScalePoint scalePoints[17];
-
- int hints = NATIVE_PARAMETER_IS_ENABLED|NATIVE_PARAMETER_IS_AUTOMABLE;
-
- // reset
- param.name = nullptr;
- param.unit = nullptr;
- param.ranges.def = 0.0f;
- param.ranges.min = 0.0f;
- param.ranges.max = 1.0f;
- param.ranges.step = 1.0f;
- param.ranges.stepSmall = 1.0f;
- param.ranges.stepLarge = 1.0f;
- param.scalePointCount = 0;
- param.scalePoints = nullptr;
-
- switch (index)
- {
- case kParameterR_TUNE:
- param.name = "Tuning";
- param.ranges.def = 440.0f;
- param.ranges.min = 400.0f;
- param.ranges.max = 480.0f;
- break;
- case kParameterR_FILT:
- hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;
- param.name = "Filter";
- param.ranges.def = 0.1f;
- param.ranges.min = 0.02f;
- param.ranges.max = 0.5f;
- break;
- case kParameterR_BIAS:
- param.name = "Bias";
- param.ranges.def = 0.5f;
- param.ranges.min = 0.0f;
- param.ranges.max = 1.0f;
- break;
- case kParameterR_CORR:
- param.name = "Correction";
- param.ranges.def = 1.0f;
- param.ranges.min = 0.0f;
- param.ranges.max = 1.0f;
- break;
- case kParameterR_OFFS:
- param.name = "Offset";
- param.ranges.def = 0.0f;
- param.ranges.min = -2.0f;
- param.ranges.max = 2.0f;
- break;
- case kParameterM_CHANNEL:
- hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;
- param.name = "MIDI Channel";
- param.ranges.def = 0.0f;
- param.ranges.min = 0.0f;
- param.ranges.max = 16.0f;
- param.scalePointCount = 17;
- param.scalePoints = scalePoints;
- scalePoints[ 0].value = 0.0f;
- scalePoints[ 0].label = "Omni";
- scalePoints[ 1].value = 1.0f;
- scalePoints[ 1].label = "1";
- scalePoints[ 2].value = 2.0f;
- scalePoints[ 2].label = "2";
- scalePoints[ 3].value = 3.0f;
- scalePoints[ 3].label = "3";
- scalePoints[ 4].value = 4.0f;
- scalePoints[ 4].label = "4";
- scalePoints[ 5].value = 5.0f;
- scalePoints[ 5].label = "5";
- scalePoints[ 6].value = 6.0f;
- scalePoints[ 6].label = "6";
- scalePoints[ 7].value = 7.0f;
- scalePoints[ 7].label = "7";
- scalePoints[ 8].value = 8.0f;
- scalePoints[ 8].label = "8";
- scalePoints[ 9].value = 9.0f;
- scalePoints[ 9].label = "9";
- scalePoints[10].value = 10.0f;
- scalePoints[10].label = "10";
- scalePoints[11].value = 11.0f;
- scalePoints[11].label = "11";
- scalePoints[12].value = 12.0f;
- scalePoints[12].label = "12";
- scalePoints[13].value = 13.0f;
- scalePoints[13].label = "13";
- scalePoints[14].value = 14.0f;
- scalePoints[14].label = "14";
- scalePoints[15].value = 15.0f;
- scalePoints[15].label = "15";
- scalePoints[16].value = 16.0f;
- scalePoints[16].label = "16";
- break;
- }
-
- param.hints = static_cast<NativeParameterHints>(hints);
-
- return ¶m;
- }
-
- float getParameterValue(const uint32_t index) const override
- {
- CARLA_SAFE_ASSERT_RETURN(index < kNumParameters, 0.0f);
-
- return fParameters[index];
- }
-
- // -------------------------------------------------------------------
- // Plugin state calls
-
- void setParameterValue(const uint32_t index, const float value) override
- {
- CARLA_SAFE_ASSERT_RETURN(index < kNumParameters,);
-
- fParameters[index] = value;
-
- Retuner* const retuner(jclient->retuner());
-
- switch (index)
- {
- case kParameterR_TUNE:
- retuner->set_refpitch(value);
- break;
- case kParameterR_FILT:
- retuner->set_corrfilt(value);
- break;
- case kParameterR_BIAS:
- retuner->set_notebias(value);
- break;
- case kParameterR_CORR:
- retuner->set_corrgain(value);
- break;
- case kParameterR_OFFS:
- retuner->set_corroffs(value);
- break;
- case kParameterM_CHANNEL:
- jclient->set_midichan(value-1.0f);
- break;
- }
- }
-
- // -------------------------------------------------------------------
- // Plugin process calls
-
- void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,
- const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount) override
- {
- if (! fJackClient.active)
- {
- FloatVectorOperations::clear(outBuffer[0], static_cast<int>(frames));
- return;
- }
-
- fJackClient.portsAudioIn [0].buffer.audio = inBuffer [0];
- fJackClient.portsAudioOut[0].buffer.audio = outBuffer[0];
-
- fJackClient.portsMidiIn[0].buffer.midi.count = midiEventCount;
- fJackClient.portsMidiIn[0].buffer.midi.events = const_cast<NativeMidiEvent*>(midiEvents);
-
- fJackClient.processCallback(frames, fJackClient.processPtr);
- }
-
- // -------------------------------------------------------------------
- // Plugin UI calls
-
- void uiShow(const bool show) override
- {
- NativePluginAndUiClass::uiShow(show);
-
- if (show && isPipeRunning())
- {
- char tmpBuf[0xff+1];
- tmpBuf[0xff] = '\0';
-
- const CarlaMutexLocker cml(getPipeLock());
-
- writeMessage("zita-mask\n", 10);
-
- std::snprintf(tmpBuf, 0xff, "%i\n", notemask);
- writeMessage(tmpBuf);
-
- flushMessages();
- }
- }
-
- void uiIdle() override
- {
- NativePluginAndUiClass::uiIdle();
-
- if (! isPipeRunning())
- return;
-
- char tmpBuf[0xff+1];
- tmpBuf[0xff] = '\0';
-
- const CarlaMutexLocker cmlc(fClientMutex);
- const CarlaMutexLocker cmlp(getPipeLock());
- const ScopedLocale csl;
-
- Retuner* const retuner(jclient->retuner());
-
- writeMessage("zita-data\n", 10);
-
- std::snprintf(tmpBuf, 0xff, "%f\n", retuner->get_error());
- writeMessage(tmpBuf);
-
- std::snprintf(tmpBuf, 0xff, "%i\n", retuner->get_noteset());
- writeMessage(tmpBuf);
-
- std::snprintf(tmpBuf, 0xff, "%i\n", jclient->get_midiset());
- writeMessage(tmpBuf);
-
- flushMessages();
- }
-
- // -------------------------------------------------------------------
- // Plugin state calls
-
- char* getState() const override
- {
- char tmpBuf[0xff+1];
- tmpBuf[0xff] = '\0';
- std::snprintf(tmpBuf, 0xff, "%i", notemask);
-
- return strdup(tmpBuf);
- }
-
- void setState(const char* const data) override
- {
- CARLA_SAFE_ASSERT_RETURN(data != nullptr && data[0] != '\0',);
-
- notemask = std::atoi(data);
-
- const CarlaMutexLocker cml(fClientMutex);
- jclient->set_notemask(notemask);
- }
-
- // -------------------------------------------------------------------
- // Plugin dispatcher calls
-
- void bufferSizeChanged(const uint32_t bufferSize) override
- {
- fJackClient.bufferSize = bufferSize;
- // _recreateZitaClient(); // FIXME
- }
-
- void sampleRateChanged(const double sampleRate) override
- {
- fJackClient.sampleRate = sampleRate;
- // _recreateZitaClient(); // FIXME
- }
-
- // -------------------------------------------------------------------
- // Pipe Server calls
-
- bool msgReceived(const char* const msg) noexcept override
- {
- if (NativePluginAndUiClass::msgReceived(msg))
- return true;
-
- if (std::strcmp(msg, "zita-mask") == 0)
- {
- int mask;
-
- CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(mask), true);
-
- const CarlaMutexLocker cml(fClientMutex);
-
- try {
- if (mask < 0)
- {
- jclient->clr_midimask();
- }
- else
- {
- notemask = static_cast<uint>(mask);
- jclient->set_notemask(mask);
- }
- } CARLA_SAFE_EXCEPTION("msgReceived, zita-mask");
-
- return true;
- }
-
- return false;
- }
-
- // -------------------------------------------------------------------
-
- private:
- // Fake jack client
- jack_client_t fJackClient;
-
- // Zita stuff (core)
- ScopedPointer<Jclient> jclient;
- uint notemask;
-
- // Parameters
- float fParameters[kNumParameters];
-
- // mutex to make sure jclient is always valid
- CarlaMutex fClientMutex;
-
- void _recreateZitaClient()
- {
- const CarlaMutexLocker cml(fClientMutex);
-
- jclient = new Jclient(&fJackClient);
- jclient->set_notemask(notemask);
- jclient->set_midichan(roundToIntAccurate(fParameters[kParameterM_CHANNEL])-1);
-
- Retuner* const retuner(jclient->retuner());
- retuner->set_refpitch(fParameters[kParameterR_TUNE]);
- retuner->set_corrfilt(fParameters[kParameterR_FILT]);
- retuner->set_notebias(fParameters[kParameterR_BIAS]);
- retuner->set_corrgain(fParameters[kParameterR_CORR]);
- retuner->set_corroffs(fParameters[kParameterR_OFFS]);
- }
-
- PluginClassEND(AT1Plugin)
- CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(AT1Plugin)
- };
-
- // -----------------------------------------------------------------------
-
- static const NativePluginDescriptor at1Desc = {
- /* category */ NATIVE_PLUGIN_CATEGORY_MODULATOR,
- /* hints */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
- |NATIVE_PLUGIN_HAS_UI
- |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS
- |NATIVE_PLUGIN_USES_STATE),
- /* supports */ static_cast<NativePluginSupports>(0x0),
- /* audioIns */ 1,
- /* audioOuts */ 1,
- /* midiIns */ 1,
- /* midiOuts */ 0,
- /* paramIns */ AT1Plugin::kNumParameters,
- /* paramOuts */ 0,
- /* name */ "AT1",
- /* label */ "at1",
- /* maker */ "falkTX, Fons Adriaensen",
- /* copyright */ "GPL v2+",
- PluginDescriptorFILL(AT1Plugin)
- };
-
- // -----------------------------------------------------------------------
-
- CARLA_EXPORT
- void carla_register_native_plugin_zita_at1();
-
- CARLA_EXPORT
- void carla_register_native_plugin_zita_at1()
- {
- carla_register_native_plugin(&at1Desc);
- }
-
- // -----------------------------------------------------------------------
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