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Diffstat (limited to 'vst/drumgizmo_vst.cc')
| -rw-r--r-- | vst/drumgizmo_vst.cc | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/vst/drumgizmo_vst.cc b/vst/drumgizmo_vst.cc new file mode 100644 index 0000000..8e29f2d --- /dev/null +++ b/vst/drumgizmo_vst.cc @@ -0,0 +1,349 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * drumgizmo_vst.cc + * + * Tue Sep 20 08:22:48 CEST 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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 + * (at your option) any later version. + * + * DrumGizmo 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. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "drumgizmo_vst.h" + +#include "constants.h" + +#define NUM_PROGRAMS 0 +#define NUM_PARAMS 0 + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) +{ + return new DrumGizmoVst(audioMaster); +} + +DrumGizmoVst::DrumGizmoVst(audioMasterCallback audioMaster) + : AudioEffectX(audioMaster, NUM_PROGRAMS, NUM_PARAMS) +{ + pos = 0; + buffer = NULL; + buffer_size = 0; + + output = new OutputVST(); + input = new InputVST(); + drumgizmo = new DrumGizmo(output, input); + + // initialize programs + //programs = new DrumGizmoVstProgram[kNumPrograms]; + //for(VstInt32 i = 0; i < 16; i++) channelPrograms[i] = i; + + //if(programs) setProgram(0); + + if(audioMaster) { + setNumInputs(0); // no audio inputs + setNumOutputs(NUM_OUTPUTS); + canProcessReplacing(); + isSynth(); + char id[] = "DGv1"; // Four bytes typecasted into an unsigned integer + setUniqueID((unsigned int)*id); + } + + initProcess(); + suspend(); +} + +DrumGizmoVst::~DrumGizmoVst() +{ + delete drumgizmo; + delete input; + delete output; +} + +void DrumGizmoVst::setProgram(VstInt32 program) {} +void DrumGizmoVst::setProgramName(char* name) {} +void DrumGizmoVst::getProgramName(char* name) { name[0] = '\0'; } + +void DrumGizmoVst::getParameterLabel(VstInt32 index, char* label) +{ + label[0] = '\0'; + /* + switch(index) + { + case kWaveform1: + case kWaveform2: + vst_strncpy(label, "Shape", kVstMaxParamStrLen); + break; + + case kFreq1: + case kFreq2: + vst_strncpy(label, "Hz", kVstMaxParamStrLen); + break; + + case kVolume1: + case kVolume2: + case kVolume: + vst_strncpy(label, "dB", kVstMaxParamStrLen); + break; + } + */ +} + +void DrumGizmoVst::getParameterDisplay(VstInt32 index, char* text) +{ + text[0] = 0; + /* + switch(index) + { + case kWaveform1: + if(fWaveform1 < .5) + vst_strncpy(text, "Sawtooth", kVstMaxParamStrLen); + else + vst_strncpy(text, "Pulse", kVstMaxParamStrLen); + break; + + case kFreq1: float2string(fFreq1, text, kVstMaxParamStrLen); break; + case kVolume1: dB2string(fVolume1, text, kVstMaxParamStrLen); break; + + case kWaveform2: + if(fWaveform2 < .5) + vst_strncpy(text, "Sawtooth", kVstMaxParamStrLen); + else + vst_strncpy(text, "Pulse", kVstMaxParamStrLen); + break; + + case kFreq2: float2string(fFreq2, text, kVstMaxParamStrLen); break; + case kVolume2: dB2string(fVolume2, text, kVstMaxParamStrLen); break; + case kVolume: dB2string(fVolume, text, kVstMaxParamStrLen); break; + } + */ +} + +void DrumGizmoVst::getParameterName(VstInt32 index, char* label) +{ + /* + switch(index) + { + case kWaveform1: vst_strncpy(label, "Wave 1", kVstMaxParamStrLen); break; + case kFreq1: vst_strncpy(label, "Freq 1", kVstMaxParamStrLen); break; + case kVolume1: vst_strncpy(label, "Levl 1", kVstMaxParamStrLen); break; + case kWaveform2: vst_strncpy(label, "Wave 2", kVstMaxParamStrLen); break; + case kFreq2: vst_strncpy(label, "Freq 2", kVstMaxParamStrLen); break; + case kVolume2: vst_strncpy(label, "Levl 2", kVstMaxParamStrLen); break; + case kVolume: vst_strncpy(label, "Volume", kVstMaxParamStrLen); break; + } + */ +} + +void DrumGizmoVst::setParameter(VstInt32 index, float value) +{ + /* + DrumGizmoVstProgram *ap = &programs[curProgram]; + switch(index) + { + case kWaveform1: fWaveform1 = ap->fWaveform1 = value; break; + case kFreq1: fFreq1 = ap->fFreq1 = value; break; + case kVolume1: fVolume1 = ap->fVolume1 = value; break; + case kWaveform2: fWaveform2 = ap->fWaveform2 = value; break; + case kFreq2: fFreq2 = ap->fFreq2 = value; break; + case kVolume2: fVolume2 = ap->fVolume2 = value; break; + case kVolume: fVolume = ap->fVolume = value; break; + } + */ +} + +float DrumGizmoVst::getParameter(VstInt32 index) +{ + float value = 0; + /* + switch(index) + { + case kWaveform1: value = fWaveform1; break; + case kFreq1: value = fFreq1; break; + case kVolume1: value = fVolume1; break; + case kWaveform2: value = fWaveform2; break; + case kFreq2: value = fFreq2; break; + case kVolume2: value = fVolume2; break; + case kVolume: value = fVolume; break; + } + */ + return value; +} + +bool DrumGizmoVst::getOutputProperties(VstInt32 index, + VstPinProperties* properties) +{ + if(index < NUM_OUTPUTS) + { + vst_strncpy(properties->label, "Channel ", 63); + char temp[11] = {0}; + int2string(index + 1, temp, 10); + vst_strncat(properties->label, temp, 63); + + properties->flags = kVstPinIsActive; + + return true; + } + return false; +} + +bool DrumGizmoVst::getProgramNameIndexed(VstInt32 category, VstInt32 index, + char* text) +{ + return false; +} + +bool DrumGizmoVst::getEffectName(char* name) +{ + vst_strncpy(name, "DrumGizmo", kVstMaxEffectNameLen); + return true; +} + +bool DrumGizmoVst::getVendorString(char* text) +{ + vst_strncpy(text, "Aasimon.org", kVstMaxVendorStrLen); + return true; +} + +bool DrumGizmoVst::getProductString(char* text) +{ + vst_strncpy(text, "Vst Synth", kVstMaxProductStrLen); + return true; +} + +VstInt32 DrumGizmoVst::getVendorVersion() +{ + return 1000; +} + +VstInt32 DrumGizmoVst::canDo(char* text) +{ + if(!strcmp(text, "receiveVstEvents")) return 1; + if(!strcmp(text, "receiveVstMidiEvent")) return 1; + if(!strcmp(text, "midiProgramNames")) return 1; + return -1; // explicitly can't do; 0 => don't know +} + +VstInt32 DrumGizmoVst::getNumMidiInputChannels() +{ + return 1; // we are monophonic +} + +VstInt32 DrumGizmoVst::getNumMidiOutputChannels() +{ + return 0; // no MIDI output back to Host app +} + +VstInt32 DrumGizmoVst::getMidiProgramName(VstInt32 channel, + MidiProgramName* mpn) +{ + VstInt32 prg = mpn->thisProgramIndex; + if(prg < 0 || prg >= 128) + return 0; + fillProgram(channel, prg, mpn); + if(channel == 9) + return 1; + return 128L; +} + +VstInt32 DrumGizmoVst::getCurrentMidiProgram(VstInt32 channel, + MidiProgramName* mpn) +{ + if(channel < 0 || channel >= 16 || !mpn) return -1; + VstInt32 prg = 0; + mpn->thisProgramIndex = prg; + fillProgram(channel, prg, mpn); + return prg; +} + +void DrumGizmoVst::fillProgram(VstInt32 channel, VstInt32 prg, + MidiProgramName* mpn) +{ + mpn->midiBankMsb = mpn->midiBankLsb = -1; + mpn->reserved = 0; + mpn->flags = 0; + + vst_strncpy(mpn->name, "Standard", 63); + mpn->midiProgram = 0; + mpn->parentCategoryIndex = 0; +} + +VstInt32 DrumGizmoVst::getMidiProgramCategory(VstInt32 channel, + MidiProgramCategory* cat) +{ + cat->parentCategoryIndex = -1; // -1:no parent category + cat->flags = 0; // reserved, none defined yet, zero. + VstInt32 category = cat->thisCategoryIndex; + vst_strncpy(cat->name, "Drums", 63); + return 1; +} + +bool DrumGizmoVst::hasMidiProgramsChanged(VstInt32 channel) +{ + return false; // updateDisplay() +} + +bool DrumGizmoVst::getMidiKeyName(VstInt32 channel, MidiKeyName* key) +// struct will be filled with information for 'thisProgramIndex' and +// 'thisKeyNumber' +// if keyName is "" the standard name of the key will be displayed. +// if false is returned, no MidiKeyNames defined for 'thisProgramIndex'. +{ + // key->thisProgramIndex; // >= 0. fill struct for this program index. + // key->thisKeyNumber; // 0 - 127. fill struct for this key number. + key->keyName[0] = 0; + key->reserved = 0; // zero + key->flags = 0; // reserved, none defined yet, zero. + return false; +} + +void DrumGizmoVst::setSampleRate(float sampleRate) +{ + AudioEffectX::setSampleRate(sampleRate); +} + +void DrumGizmoVst::setBlockSize(VstInt32 blockSize) +{ + AudioEffectX::setBlockSize(blockSize); +} + +void DrumGizmoVst::initProcess() +{ + drumgizmo->loadkit(getenv("DRUMGIZMO_DRUMKIT")); + drumgizmo->init(true); +} + +void DrumGizmoVst::processReplacing(float** inputs, float** outputs, + VstInt32 sampleFrames) +{ + output->setOutputs(outputs); + + if(buffer_size != sampleFrames) { + if(buffer) free(buffer); + buffer_size = sampleFrames; + buffer = (sample_t*)malloc(sizeof(sample_t) * buffer_size); + } + + drumgizmo->run(pos, buffer, buffer_size); + + pos += sampleFrames; +} + +VstInt32 DrumGizmoVst::processEvents(VstEvents* ev) +{ + input->processEvents(ev); + return 1; +} |