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authorRobert Jonsson <spamatica@gmail.com>2011-09-15 12:14:55 +0000
committerRobert Jonsson <spamatica@gmail.com>2011-09-15 12:14:55 +0000
commitb0546e5e7f7044019892543c6c82029db8d564a7 (patch)
tree1b96a6260900f3fbf3513fb48a5a72aa89052dc8 /attic/muse2-oom/muse2/synti/s1/s1.cpp
parent583c73d1a07154d3d2672d65d8cce6495f490454 (diff)
moved attic to a branch of it's own
Diffstat (limited to 'attic/muse2-oom/muse2/synti/s1/s1.cpp')
-rw-r--r--attic/muse2-oom/muse2/synti/s1/s1.cpp232
1 files changed, 0 insertions, 232 deletions
diff --git a/attic/muse2-oom/muse2/synti/s1/s1.cpp b/attic/muse2-oom/muse2/synti/s1/s1.cpp
deleted file mode 100644
index 0dca2656..00000000
--- a/attic/muse2-oom/muse2/synti/s1/s1.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-//=========================================================
-// MusE
-// Linux Music Editor
-// $Id: s1.cpp,v 1.9.2.5 2009/11/19 04:20:33 terminator356 Exp $
-//
-// S1 - simple mono demo synthesizer
-// - plays only one note at a time
-// - has no gui nor any controller
-//
-// Version 0.2: stop note on wave zero crossing to avoid
-// clicks
-//
-// (C) Copyright 2001-2004 Werner Schweer (ws@seh.de)
-//=========================================================
-
-#include <cmath>
-#include <list>
-
-#include <QMessageBox>
-
-#include "libsynti/mono.h"
-
-#define RESOLUTION 16384
-
-//---------------------------------------------------------
-// S1 - simple mono demo synthesizer
-//---------------------------------------------------------
-
-
-class S1 : public MessMono {
- static int useCount;
- static float *wave_table;
-
- int gate;
- float freq;
- unsigned accu;
- float sample;
- bool _showGui;
-
- int param;
-
- virtual void note(int channel, int pitch, int velo);
- //virtual void processMessages();
- virtual void process(float** buffer, int offset, int n);
- virtual bool hasGui() const { return true; }
- virtual bool guiVisible() const { return _showGui; }
- virtual void showGui(bool);
- virtual bool setController(int channel, int ctrl, int val);
- virtual int getControllerInfo(int id, const char** name, int* ctrl, int* min, int* max, int* initval) const;
-
- public:
- S1();
- ~S1();
- };
-
-float* S1::wave_table;
-int S1::useCount = 0;
-
-//---------------------------------------------------------
-// S1
-//---------------------------------------------------------
-
-S1::S1() : MessMono()
- {
-
- if (useCount++ == 0) {
- //
- // create sinus wave table
- //
- wave_table = new float[RESOLUTION];
- for (int i = 0; i < RESOLUTION; i++)
- wave_table[i] = sin ((i * 2.0 * M_PI) / RESOLUTION) / 6.0;
- }
- gate = 0;
-
- param = 0;
-
- _showGui=false;
- showGui(true);
- }
-
-//---------------------------------------------------------
-// ~S1
-//---------------------------------------------------------
-
-S1::~S1()
- {
- if (--useCount == 0)
- delete[] wave_table;
- }
-
-//---------------------------------------------------------
-// noteon
-// process note on
-//---------------------------------------------------------
-
-void S1::note(int /*channel*/, int pitch, int velo)
- {
- if (velo == 0) {
- //
- // note off
- //
- if (sample == 0.0)
- gate = 0;
- else if (sample > 0.0)
- gate = 2;
- else if (sample < 0.0)
- gate = 3;
- }
- else {
- //
- // note on
- //
- accu = 0;
- gate = 1;
- freq = 8.176 * exp(float(pitch)*log(2.0)/12.0);
- }
- }
-
-//---------------------------------------------------------
-// write
-// synthesize n samples into buffer+offset
-//---------------------------------------------------------
-
-void S1::process(float** buffer, int offset, int n)
- {
- if (gate == 0)
- return;
- float* p = buffer[0] + offset;
- float sample1, sample2;
- unsigned freq_256 = (int) (freq * ((double) RESOLUTION) / sampleRate() * 256.0);
- for (int i = 0; i < n; i++) {
- accu += freq_256;
- while (accu >= RESOLUTION * 256)
- accu -= RESOLUTION * 256;
-
- sample1 = wave_table[accu >> 8]; // sinus component
-
- if (sample1< 0.0f) // square wave component
- sample2 = -0.4;
- else
- sample2 = 0.4;
-
- sample = ((1.0-float(param)/127.0)*sample1 + (float(param)/127.0)*sample2) / 2.0;
-
- //
- // stop on zero crossing
- // if in decay state
- //
- if (gate == 2 && sample <= 0.0) {
- gate = 0;
- break;
- }
- else if (gate == 3 && sample >= 0.0) {
- gate = 0;
- break;
- }
- p[i] += sample;
- }
- }
-
-
-//---------------------------------------------------------
-// inst
-//---------------------------------------------------------
-
-
-void S1::showGui(bool show)
- {
- if (show)
- QMessageBox::information( NULL, "S1",
- "S1 is a demo synth mainly for\n"
- "developers wishing to learn\n"
- "how to make a M.E.S.S synth.\n"
- "\n"
- "One modulation parameter is available,\n"
- "it sweeps the signal between square and\n"
- "sinus wave.\n", 1 );
- }
-
-bool S1::setController(int, int ctrl, int val)
- {
- if (ctrl == 1) {
- param = val;
- }
- return true;
- }
-
-int S1::getControllerInfo(int id, const char** name, int* ctrl, int* min, int* max, int* initval) const
- {
- if (id == 0) {
- *name = "Modulation";
- *ctrl = 1;
- *min = 0;
- *max = 127;
- *initval = 0;
- return 1;
- }
- else
- return 0;
- }
-
-//---------------------------------------------------------
-// inst
-//---------------------------------------------------------
-class QWidget;
-
-
-static Mess* instantiate(int sr, QWidget*, QString* projectPathPtr, const char*)
- {
- S1* s1 = new S1();
- s1->setSampleRate(sr);
- return s1;
- }
-
-extern "C" {
- static MESS descriptor = {
- "S1",
- "S1 MusE Demo Software Synthesizer",
- "0.2", // version string
- MESS_MAJOR_VERSION, MESS_MINOR_VERSION,
- instantiate
- };
- // We must compile with -fvisibility=hidden to avoid namespace
- // conflicts with global variables.
- // Only visible symbol is "mess_descriptor".
- // (TODO: all plugins should be compiled this way)
-
- __attribute__ ((visibility("default")))
- const MESS* mess_descriptor() { return &descriptor; }
- }
-