VSTi plugin version.

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;
+}