summaryrefslogtreecommitdiff
path: root/vst/drumgizmo_vst.cc
blob: 81b88752670bee2711a2fead7fc96d23838c46e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
/* -*- 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 3 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"

#include <time.h>
#include <drumgizmo.h>

#include <hugin.hpp>
#include <stdlib.h>
#include <string>

#define NUM_PROGRAMS 0
#define NUM_PARAMS 0

DGEditor::DGEditor(AudioEffect* effect)
{
	DEBUG(dgeditor, "%s\n", __PRETTY_FUNCTION__);
	dgeff = (DrumGizmoVst*)effect;
	plugingui = nullptr;
	drumgizmo = dgeff->drumgizmo;
}

bool DGEditor::open(void* ptr)
{
	DEBUG(dgeditor, "%s\n", __PRETTY_FUNCTION__);
	if(plugingui)
	{
		delete plugingui;
	}

	plugingui = new GUI::PluginGUI();
	plugingui->show();
	return true;
}

void DGEditor::close()
{
	DEBUG(dgeditor, "%s\n", __PRETTY_FUNCTION__);

	if(plugingui)
	{
		delete plugingui;
	}

	plugingui = nullptr;
}

bool DGEditor::isOpen()
{
	DEBUG(dgeditor, "%s\n", __PRETTY_FUNCTION__);
	return plugingui != nullptr;
}

void DGEditor::idle()
{
	DEBUG(dgeditor, "%s\n", __PRETTY_FUNCTION__);
	//  if(plugingui) plugingui->processEvents();
}

AudioEffect* createEffectInstance(audioMasterCallback audioMaster)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	return new DrumGizmoVst(audioMaster);
}

DrumGizmoVst::DrumGizmoVst(audioMasterCallback audioMaster)
	: AudioEffectX(audioMaster, NUM_PROGRAMS, NUM_PARAMS)
{
	hug_status_t status = HUG_STATUS_OK;

	int hugin_flags = HUG_FLAG_USE_MUTEX;

	const char* syslog_host_env = getenv("DG_SYSLOG_HOST");

	if(syslog_host_env)
	{
		std::string syslog_host = syslog_host_env;
		int syslog_port = 514;
		const char* syslog_port_env = getenv("DG_SYSLOG_PORT");
		if(syslog_port_env)
		{
			syslog_port = atoi(syslog_port_env);
		}

		status = hug_init(hugin_flags | HUG_FLAG_OUTPUT_TO_SYSLOG,
		                  HUG_OPTION_SYSLOG_HOST, syslog_host.c_str(),
		                  HUG_OPTION_SYSLOG_PORT, syslog_port,
		                  HUG_OPTION_END);
	}
	else
	{
		status = hug_init(hugin_flags);
	}

	if(status != HUG_STATUS_OK)
	{
		printf("Error: %d\n", status);
	}

	INFO(vst, "We are up and running");

	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);

	pos = 0;
	buffer = nullptr;
	buffer_size = 0;

	output = nullptr;
	input = nullptr;
	drumgizmo = nullptr;

	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();

		union
		{
			char cid[4];
			unsigned int iid;
		} id;

		memcpy(id.cid, "DGV5", 4); // Four bytes typecasted into an unsigned integer
		setUniqueID(id.iid);

		//    setUniqueID((unsigned int)time(nullptr));
	}

	initProcess();
	suspend();

	editor = new DGEditor(this);
	setEditor(editor);

	programsAreChunks(true);

	// getChunk
	// file:///home/deva/docs/c/drumgizmo/vst/vstsdk2.4/doc/html/class_audio_effect.html#42883c327783d7d31ed513b10c9204fc

	// setChunk
	// file:///home/deva/docs/c/drumgizmo/vst/vstsdk2.4/doc/html/class_audio_effect.html#b6e4c31c1acf8d1fc4046521912787b1
}

DrumGizmoVst::~DrumGizmoVst()
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);

	DEBUG(vst, "~DrumGizmoVst(1)\n");
	if(drumgizmo)
	{
		delete drumgizmo;
	}

	DEBUG(vst, "~DrumGizmoVst(2)\n");
	if(input)
	{
		delete input;
	}

	DEBUG(vst, "~DrumGizmoVst(3)\n");
	if(output)
	{
		delete output;
	}

	DEBUG(vst, "~DrumGizmoVst(4)\n");

	hug_close();
}

VstInt32 DrumGizmoVst::getChunk(void** data, bool isPreset)
{
	DEBUG(vst, "%s - data: %p isPreset: %d\n",
	      __PRETTY_FUNCTION__, *data, isPreset ? 1 : 0);
	std::string cfg = drumgizmo->configString();
	DEBUG(vst, "drumgizmo->config := %s\n", cfg.c_str());
	char* config = strdup(cfg.c_str());
	*data = config;
	return cfg.length();
}

VstInt32 DrumGizmoVst::setChunk(void* data, VstInt32 byteSize, bool isPreset)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);

	std::string config;
	config.append((const char*)data, (size_t)byteSize);
	DEBUG(vst, "setChunk(isPreset: %d): [%d] %s\n", isPreset ? 1 : 0, byteSize,
	    config.c_str());

	if(!drumgizmo->setConfigString(config))
	{
		ERR(vst, "setConfigString failed...\n");
		return 1;
	}

	return 0;
}

void DrumGizmoVst::setProgram(VstInt32 program)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
}
void DrumGizmoVst::setProgramName(char* name)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
}
void DrumGizmoVst::getProgramName(char* name)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	name[0] = '\0';
}

void DrumGizmoVst::getParameterLabel(VstInt32 index, char* label)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	/*
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	/*
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	return false;
}

bool DrumGizmoVst::getEffectName(char* name)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	vst_strncpy(name, "DrumGizmo4", kVstMaxEffectNameLen);
	return true;
}

bool DrumGizmoVst::getVendorString(char* text)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	vst_strncpy(text, "Aasimon.org", kVstMaxVendorStrLen);
	return true;
}

bool DrumGizmoVst::getProductString(char* text)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	vst_strncpy(text, "Vst Synth", kVstMaxProductStrLen);
	return true;
}

VstInt32 DrumGizmoVst::getVendorVersion()
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	return 1000;
}

VstInt32 DrumGizmoVst::canDo(char* text)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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()
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	return 1; // we are monophonic
}

VstInt32 DrumGizmoVst::getNumMidiOutputChannels()
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	return 0; // no MIDI output back to Host app
}

VstInt32 DrumGizmoVst::getMidiProgramName(VstInt32 channel,
                                          MidiProgramName* mpn)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	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'.
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	// 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)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	AudioEffectX::setSampleRate(sampleRate);
	drumgizmo->setSamplerate(sampleRate);
}

void DrumGizmoVst::setBlockSize(VstInt32 blockSize)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	AudioEffectX::setBlockSize(blockSize);
}

void DrumGizmoVst::initProcess()
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	//  drumgizmo->loadkit(getenv("DRUMGIZMO_DRUMKIT"));
	drumgizmo->init();
}

void DrumGizmoVst::processReplacing(float** inputs, float** outputs,
                                    VstInt32 sampleFrames)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	long lvl = getCurrentProcessLevel();
	// 0 = realtime/normal
	// 1 = non-realtime/rendering
	// 2 = offline processing
	drumgizmo->setFreeWheel(lvl != 0);

	output->setOutputs(outputs);

	if(buffer_size != (size_t)sampleFrames)
	{
		if(buffer)
		{
			free(buffer);
		}

		buffer_size = sampleFrames;
		buffer = (sample_t*)malloc(sizeof(sample_t) * buffer_size);

		drumgizmo->setFrameSize(buffer_size);
	}

	drumgizmo->run(pos, buffer, buffer_size);

	pos += sampleFrames;
}

VstInt32 DrumGizmoVst::processEvents(VstEvents* ev)
{
	DEBUG(vst, "%s\n", __PRETTY_FUNCTION__);
	input->processEvents(ev);
	return 1;
}