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author | David Robillard <d@drobilla.net> | 2008-08-12 00:20:16 +0000 |
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committer | David Robillard <d@drobilla.net> | 2008-08-12 00:20:16 +0000 |
commit | 102e899c331bd2ed9902467a077164e209c918f9 (patch) | |
tree | b7fe5ec873582cc8a0fc0862f9da045d12b2259a /src/mdaspecmeter.cpp | |
parent | 2b679f152e1c3104ac178b6c78ac0b1edf954ff6 (diff) | |
download | mda.lv2-102e899c331bd2ed9902467a077164e209c918f9.tar.gz mda.lv2-102e899c331bd2ed9902467a077164e209c918f9.tar.bz2 mda.lv2-102e899c331bd2ed9902467a077164e209c918f9.zip |
VSTUI X11 port and embeddable GTK wrapper.
Build mdaSpecMeter and GUI.
git-svn-id: http://svn.drobilla.net/lad/mda-lv2@1340 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/mdaspecmeter.cpp')
-rw-r--r-- | src/mdaspecmeter.cpp | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/src/mdaspecmeter.cpp b/src/mdaspecmeter.cpp deleted file mode 100644 index 475a7c5..0000000 --- a/src/mdaspecmeter.cpp +++ /dev/null @@ -1,416 +0,0 @@ -// -// Plug-in: "MDA Template" v1.0 -// -// Copyright(c)2002 Paul Kellett (maxim digital audio) -// - - -#include <stdio.h> -#include <string.h> -#include <float.h> -#include <math.h> - -#include "mdaSpecMeter.h"
-#include "mdaSpecMeterGUI.h" -//#include "AEffEditor.hpp" - -AudioEffect *createEffectInstance(audioMasterCallback audioMaster) -{ - return new mdaSpecMeter(audioMaster); -} - -mdaSpecMeterProgram::mdaSpecMeterProgram() -{ - param[_PARAM0] = 0.5; - param[_PARAM1] = 0.5; - param[_PARAM2] = 0.75; - strcpy (name, "default"); -} - - -mdaSpecMeter::mdaSpecMeter(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 1, NPARAMS) -{ - editor = new mdaSpecMeterGUI(this);
-
- programs = new mdaSpecMeterProgram[numPrograms]; - if(programs) - { - setProgram(0); - } - - setNumInputs(2); - setNumOutputs(2); - DECLARE_LVZ_DEPRECATED(canMono) (); - setUniqueID("mdaSpecMeter"); - canProcessReplacing(); - - //initialise... - K = counter = 0; - kmax = 2048; - topband = 11; - iK = 1.0f / (float)kmax;
- den = 1.0e-8f; - - //buffer = new float[44100]; - - suspend(); -} - -bool mdaSpecMeter::getProductString(char* text) { strcpy(text, "MDA SpecMeter"); return true; } -bool mdaSpecMeter::getVendorString(char* text) { strcpy(text, "mda"); return true; } -bool mdaSpecMeter::getEffectName(char* name) { strcpy(name, "SpecMeter"); return true; } - -void mdaSpecMeter::suspend() -{ - Lpeak = Rpeak = Lrms = Rrms = Corr = 0.0f; - lpeak = rpeak = lrms = rrms = corr = 0.0f; - Lhold = Rhold = 0.0f; - Lmin = Rmin = 0.0000001f; - for(long i=0; i<16; i++) - { - band[0][i] = band[1][i] = 0.0f; - for(long j=0; j<6; j++) lpp[j][i] = rpp[j][i] = 0.0f; - } - - //memset(buffer, 0, size * sizeof (float)); -} - -void mdaSpecMeter::setSampleRate(float sampleRate) -{ - AudioEffectX::setSampleRate(sampleRate); - if(sampleRate > 64000) { topband = 12; kmax = 4096; } - else { topband = 11; kmax = 2048; } - iK = 1.0f / (float)kmax; -} - - -mdaSpecMeter::~mdaSpecMeter() -{ - //if(buffer) delete [] buffer; - if(programs) delete [] programs; -} - - -void mdaSpecMeter::setProgramName(char *name) { strcpy(programs[curProgram].name, name); } -void mdaSpecMeter::getProgramName(char *name) { strcpy(name, programs[curProgram].name); } -float mdaSpecMeter::getParameter(LvzInt32 index) { return param[index]; } - -void mdaSpecMeter::setProgram(LvzInt32 program) -{ - mdaSpecMeterProgram *p = &programs[program]; - curProgram = program;
- setProgramName(p->name);
- for(long i=0; i<NPARAMS; i++) setParameter(i, p->param[i]); -} - -////////////////////////////////////////////////////////////////////////////////// - -void mdaSpecMeter::setParameter(LvzInt32 index, float value) -{ - mdaSpecMeterProgram *p = &programs[curProgram]; - param[index] = p->param[index] = value; - - switch(index) - { - case _PARAM0: gain = (float)pow(10.0f, 2.0f * param[index] - 1.0f); break; - - default: break; - } - - //if(editor) editor->postUpdate(); -} - - -void mdaSpecMeter::getParameterName(LvzInt32 index, char *label) -{ - switch (index) - { - case _PARAM0: strcpy (label, ""); break; - default : strcpy (label, ""); - } -} - - -void mdaSpecMeter::getParameterDisplay(LvzInt32 index, char *text) -{ - char string[16]; - - switch (index) - { - case _PARAM0: sprintf(string, "%.1f", 40.0f * param[index] - 20.0f); break; - case _PARAM1: strcpy (string, ""); break; - default : sprintf(string, "%.0f", 100.0f * param[index]); - } - string[8] = 0; - strcpy(text, (char *)string); -} - - -void mdaSpecMeter::getParameterLabel(LvzInt32 index, char *label) -{ - switch (index) - { - case _PARAM0: strcpy(label, ""); break; - default : strcpy(label, ""); - } -} - -////////////////////////////////////////////////////////////////////////////////// - -void mdaSpecMeter::process (float **inputs, float **outputs, LvzInt32 sampleFrames) -{ - float *in1 = inputs[0]; - float *in2 = inputs[1]; - float *out1 = outputs[0]; - float *out2 = outputs[1]; -
- den = -den; - float l, r, p, q, iN = iK;
- long k=K, j0=topband, mask, j;
-
- while(--sampleFrames >= 0)
- {
- l = *in1++;
- r = *in2++;
- *out1++ += l;
- *out2++ += r;
-
- l += den; //anti-denormal
- r += den;
-
- lrms += l * l; //RMS integrate
- rrms += r * r;
-
- p = (float)fabs(l); if(p > lpeak) lpeak = p; //peak detect
- q = (float)fabs(r); if(q > rpeak) rpeak = q;
-/*
- if(p > 1.0e-8f && p < lmin) lmin = p; //'trough' detect
- if(q > 1.0e-8f && q < rmin) rmin = q;
-*/
- if((l * r) > 0.0f) corr += iN; //measure correlation
-
- j = j0;
- mask = k << 1;
-
- do //polyphase filter bank
- {
- p = lpp[0][j] + 0.208f * l;
- lpp[0][j] = lpp[1][j];
- lpp[1][j] = l - 0.208f * p;
-
- q = lpp[2][j] + lpp[4][j] * 0.682f;
- lpp[2][j] = lpp[3][j];
- lpp[3][j] = lpp[4][j] - 0.682f * q;
- lpp[4][j] = l;
- lpp[5][j] += (float)fabs(p - q); //top octave
- l = p + q; //lower octaves
-
- p = rpp[0][j] + 0.208f * r;
- rpp[0][j] = rpp[1][j];
- rpp[1][j] = r - 0.208f * p;
-
- q = rpp[2][j] + rpp[4][j] * 0.682f;
- rpp[2][j] = rpp[3][j];
- rpp[3][j] = rpp[4][j] - 0.682f * q;
- rpp[4][j] = r;
- rpp[5][j] += (float)fabs(p - q); //top octave
- r = p + q; //lower octaves
-
- j--;
- mask >>= 1;
- } while(mask & 1);
-
- if(++k == kmax)
- {
- k = 0;
- counter++; //editor waits for this to change
-
- if(lpeak == 0.0f) Lpeak = Lrms = 0.0f; else ///add limits here!
- {
- if(lpeak > 2.0f) lpeak = 2.0f;
- if(lpeak >= Lpeak)
- {
- Lpeak = lpeak;
- Lhold = 2.0f * Lpeak;
- }
- else
- {
- Lhold *= 0.95f;
- if(Lhold < Lpeak) Lpeak = Lhold;
- }
- Lmin = lmin;
- lmin *= 1.01f;
- Lrms += 0.2f * (iN * lrms - Lrms);
- }
-
- if(rpeak == 0.0f) Rpeak = Rrms = 0.0f; else
- {
- if(rpeak > 2.0f) rpeak = 2.0f;
- if(rpeak >= Rpeak)
- {
- Rpeak = rpeak;
- Rhold = 2.0f * Rpeak;
- }
- else
- {
- Rhold *= 0.95f;
- if(Rhold < Rpeak) Rpeak = Rhold;
- }
- Rmin = rmin;
- rmin *= 1.01f;
- Rrms += 0.2f * (iN * rrms - Rrms);
- }
-
- rpeak = lpeak = lrms = rrms = 0.0f;
- Corr += 0.1f * (corr - Corr); //correlation
- corr = SILENCE;
-
- float dec = 0.08f;
- for(j=0; j<13; j++) //spectrum output
- {
- band[0][j] += dec * (iN * lpp[5][j] - band[0][j]);
- if(band[0][j] > 2.0f) band[0][j] = 2.0f;
- else if(band[0][j] < 0.014f) band[0][j] = 0.014f;
-
- band[1][j] += dec * (iN * rpp[5][j] - band[1][j]);
- if(band[1][j] > 2.0f) band[1][j] = 2.0f;
- else if(band[1][j] < 0.014f) band[1][j] = 0.014f;
-
- rpp[5][j] = lpp[5][j] = SILENCE;
- dec = dec * 1.1f;
- }
- }
- }
-
- K = k; -} - -////////////////////////////////////////////////////////////////////////////////// - -void mdaSpecMeter::processReplacing (float **inputs, float **outputs, LvzInt32 sampleFrames) -{ - float *in1 = inputs[0]; - float *in2 = inputs[1]; - float *out1 = outputs[0]; - float *out2 = outputs[1]; - - den = -den;
- float l, r, p, q, iN = iK; - long k=K, j0=topband, mask, j; - - while(--sampleFrames >= 0) - { - l = *in1++; - r = *in2++; - *out1++ = l; - *out2++ = r; -
- l += den; //anti-denormal
- r += den;
- - lrms += l * l; //RMS integrate - rrms += r * r; - - p = (float)fabs(l); if(p > lpeak) lpeak = p; //peak detect - q = (float)fabs(r); if(q > rpeak) rpeak = q; -/* - if(p > 1.0e-8f && p < lmin) lmin = p; //'trough' detect
- if(q > 1.0e-8f && q < rmin) rmin = q;
-*/ - if((l * r) > 0.0f) corr += iN; //measure correlation - - j = j0; - mask = k << 1; - - do //polyphase filter bank - { - p = lpp[0][j] + 0.208f * l; - lpp[0][j] = lpp[1][j]; - lpp[1][j] = l - 0.208f * p; - - q = lpp[2][j] + lpp[4][j] * 0.682f; - lpp[2][j] = lpp[3][j]; - lpp[3][j] = lpp[4][j] - 0.682f * q; - lpp[4][j] = l; - lpp[5][j] += (float)fabs(p - q); //top octave - l = p + q; //lower octaves - - p = rpp[0][j] + 0.208f * r; - rpp[0][j] = rpp[1][j]; - rpp[1][j] = r - 0.208f * p; - - q = rpp[2][j] + rpp[4][j] * 0.682f; - rpp[2][j] = rpp[3][j]; - rpp[3][j] = rpp[4][j] - 0.682f * q; - rpp[4][j] = r; - rpp[5][j] += (float)fabs(p - q); //top octave - r = p + q; //lower octaves - - j--; - mask >>= 1; - } while(mask & 1); - - if(++k == kmax) - { - k = 0; - counter++; //editor waits for this to change - - if(lpeak == 0.0f) Lpeak = Lrms = 0.0f; else ///add limits here! - { - if(lpeak > 2.0f) lpeak = 2.0f; - if(lpeak >= Lpeak) - { - Lpeak = lpeak; - Lhold = 2.0f * Lpeak; - } - else - { - Lhold *= 0.95f; - if(Lhold < Lpeak) Lpeak = Lhold; - } - Lmin = lmin;
- lmin *= 1.01f;
- Lrms += 0.2f * (iN * lrms - Lrms); - } - - if(rpeak == 0.0f) Rpeak = Rrms = 0.0f; else - { - if(rpeak > 2.0f) rpeak = 2.0f; - if(rpeak >= Rpeak) - { - Rpeak = rpeak; - Rhold = 2.0f * Rpeak; - } - else - { - Rhold *= 0.95f; - if(Rhold < Rpeak) Rpeak = Rhold; - } - Rmin = rmin;
- rmin *= 1.01f;
- Rrms += 0.2f * (iN * rrms - Rrms); - } - - rpeak = lpeak = lrms = rrms = 0.0f; - Corr += 0.1f * (corr - Corr); //correlation - corr = SILENCE; - - float dec = 0.08f; - for(j=0; j<13; j++) //spectrum output - { - band[0][j] += dec * (iN * lpp[5][j] - band[0][j]); - if(band[0][j] > 2.0f) band[0][j] = 2.0f; - else if(band[0][j] < 0.014f) band[0][j] = 0.014f; - - band[1][j] += dec * (iN * rpp[5][j] - band[1][j]); - if(band[1][j] > 2.0f) band[1][j] = 2.0f; - else if(band[1][j] < 0.014f) band[1][j] = 0.014f; - - rpp[5][j] = lpp[5][j] = SILENCE; - dec = dec * 1.1f; - } - } - } - - K = k; -} |