--- /dev/null
+/************************************************************************
+
+ IMPORTANT NOTE : this file contains two clearly delimited sections :
+ the ARCHITECTURE section (in two parts) and the USER section. Each section
+ is governed by its own copyright and license. Please check individually
+ each section for license and copyright information.
+*************************************************************************/
+
+/*******************BEGIN ARCHITECTURE SECTION (part 1/2)****************/
+
+/************************************************************************
+ FAUST Architecture File
+ Copyright (C) 2003-2011 GRAME, Centre National de Creation Musicale
+ ---------------------------------------------------------------------
+ This Architecture section 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.
+
+ This program 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 this program; If not, see <http://www.gnu.org/licenses/>.
+
+ EXCEPTION : As a special exception, you may create a larger work
+ that contains this FAUST architecture section and distribute
+ that work under terms of your choice, so long as this FAUST
+ architecture section is not modified.
+
+
+ ************************************************************************
+ ************************************************************************/
+
+
+#include <errno.h>
+#include <limits.h>
+#include <math.h>
+#include <sndfile.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <iostream>
+#include <map>
+#include <stack>
+#include <string>
+#include <time.h>
+#include <vector>
+
+// g++ -O3 -lm -lsynthfile myfx.cpp
+
+using namespace std;
+
+struct Meta : map<const char*, const char*>
+{
+ void declare (const char* key, const char* value) { (*this)[key]=value; }
+};
+
+
+#define max(x,y) (((x)>(y)) ? (x) : (y))
+#define min(x,y) (((x)<(y)) ? (x) : (y))
+
+// abs is now predefined
+//template<typename T> T abs (T a) { return (a<T(0)) ? -a : a; }
+
+
+inline int lsr (int x, int n) { return int(((unsigned int)x) >> n); }
+
+
+/******************************************************************************
+*******************************************************************************
+
+ VECTOR INTRINSICS
+
+*******************************************************************************
+*******************************************************************************/
+
+
+<<includeIntrinsic>>
+
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+ USER INTERFACE
+
+*******************************************************************************
+*******************************************************************************/
+
+class UI
+{
+ bool fStopped;
+public:
+
+ UI() : fStopped(false) {}
+ virtual ~UI() {}
+
+ // -- active widgets
+
+ virtual void addButton(const char* label, float* zone) = 0;
+ virtual void addToggleButton(const char* label, float* zone) = 0;
+ virtual void addCheckButton(const char* label, float* zone) = 0;
+ virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
+ virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
+ virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step) = 0;
+
+ // -- passive widgets
+
+ virtual void addNumDisplay(const char* label, float* zone, int precision) = 0;
+ virtual void addTextDisplay(const char* label, float* zone, char* names[], float min, float max) = 0;
+ virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max) = 0;
+ virtual void addVerticalBargraph(const char* label, float* zone, float min, float max) = 0;
+
+ // -- frames and labels
+
+ virtual void openFrameBox(const char* label) = 0;
+ virtual void openTabBox(const char* label) = 0;
+ virtual void openHorizontalBox(const char* label) = 0;
+ virtual void openVerticalBox(const char* label) = 0;
+ virtual void closeBox() = 0;
+
+ virtual void show() = 0;
+ virtual void run() = 0;
+
+ void stop() { fStopped = true; }
+ bool stopped() { return fStopped; }
+
+ virtual void declare(float* zone, const char* key, const char* value) {}
+};
+
+struct param {
+ float* fZone; float fMin; float fMax;
+ param(float* z, float init, float a, float b) : fZone(z), fMin(a), fMax(b) { *z = init; }
+};
+
+
+class CMDUI : public UI
+{
+ int fArgc;
+ char** fArgv;
+ char* fOutFile;
+ long fNumframes;
+ stack<string> fPrefix;
+ map<string, param> fKeyParam;
+
+ void openAnyBox(const char* label)
+ {
+ string prefix;
+
+ if (label && label[0]) {
+ prefix = fPrefix.top() + "-" + label;
+ } else {
+ prefix = fPrefix.top();
+ }
+ fPrefix.push(prefix);
+ }
+
+ string simplify(const string& src)
+ {
+ int i=0;
+ int level=0;
+ string dst;
+
+ while (src[i] ) {
+
+ switch (level) {
+
+ case 0 :
+ case 1 :
+ case 2 :
+ // Skip the begin of the label "--foo-"
+ // until 3 '-' have been read
+ if (src[i]=='-') { level++; }
+ break;
+
+ case 3 :
+ // copy the content, but skip non alphnum
+ // and content in parenthesis
+ switch (src[i]) {
+ case '(' :
+ case '[' :
+ level++;
+ break;
+
+ case '-' :
+ dst += '-';
+ break;
+
+ default :
+ if (isalnum(src[i])) {
+ dst+= tolower(src[i]);
+ }
+
+ }
+ break;
+
+ default :
+ // here we are inside parenthesis and
+ // we skip the content until we are back to
+ // level 3
+ switch (src[i]) {
+
+ case '(' :
+ case '[' :
+ level++;
+ break;
+
+ case ')' :
+ case ']' :
+ level--;
+ break;
+
+ default :
+ break;
+ }
+
+ }
+ i++;
+ }
+ return dst;
+ }
+
+
+public:
+
+ CMDUI(int argc, char *argv[]) : UI(), fArgc(argc), fArgv(argv), fNumframes(44100), fOutFile("out.wav")
+ { fPrefix.push("-"); }
+ virtual ~CMDUI() {}
+
+
+ void addOption(const char* label, float* zone, float init, float min, float max)
+ {
+ string fullname = "-" + simplify(fPrefix.top() + "-" + label);
+ fKeyParam.insert(make_pair(fullname, param(zone, init, min, max)));
+ }
+
+
+ virtual void addButton(const char* label, float* zone)
+ {
+ addOption(label,zone,0,0,1);
+ }
+
+ virtual void addToggleButton(const char* label, float* zone)
+ {
+ addOption(label,zone,0,0,1);
+ }
+
+ virtual void addCheckButton(const char* label, float* zone)
+ {
+ addOption(label,zone,0,0,1);
+ }
+
+ virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
+ {
+ addOption(label,zone,init,min,max);
+ }
+
+ virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
+ {
+ addOption(label,zone,init,min,max);
+ }
+
+ virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
+ {
+ addOption(label,zone,init,min,max);
+ }
+
+ // -- passive widgets
+
+ virtual void addNumDisplay(const char* label, float* zone, int precision) {}
+ virtual void addTextDisplay(const char* label, float* zone, char* names[], float min, float max) {}
+ virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max) {}
+ virtual void addVerticalBargraph(const char* label, float* zone, float min, float max) {}
+
+ virtual void openFrameBox(const char* label) { openAnyBox(label); }
+ virtual void openTabBox(const char* label) { openAnyBox(label); }
+ virtual void openHorizontalBox(const char* label) { openAnyBox(label); }
+ virtual void openVerticalBox(const char* label) { openAnyBox(label); }
+
+ virtual void closeBox() { fPrefix.pop(); }
+
+ virtual void show() {}
+ virtual void run() {}
+
+ void printhelp()
+ {
+ cerr << "usage: " << fArgv[0] << " [options]" << endl;
+ cerr << " [options]: " << endl;
+ cerr << " samples: number of samples to generate, default is 44100 (1 second of sound)" << endl;
+ cerr << " -o outfile: name of the output file, default is 'out.wav'" << endl;
+
+ if (fKeyParam.size()) {
+ map<string, param>::iterator i;
+ cerr << " [faust module options]: \n";
+ for (i = fKeyParam.begin(); i != fKeyParam.end(); i++) {
+ cout << " " << i->first << " [" << i->second.fMin << ".." << i->second.fMax <<" ] \n";
+ }
+ }
+ exit(1);
+ }
+
+ void process_command()
+ {
+ map<string, param>::iterator p;
+
+ for (int i = 1; i < fArgc; i++) {
+ if (fArgv[i][0] == '-') {
+ if ( (strcmp(fArgv[i], "-help") == 0)
+ || (strcmp(fArgv[i], "-h") == 0)
+ || (strcmp(fArgv[i], "--help") == 0) ) {
+ printhelp();
+ }
+
+ if (strcmp(fArgv[i], "-o") == 0) {
+ fOutFile = fArgv[i+1];
+ }
+ else {
+ p = fKeyParam.find(fArgv[i]);
+ if (p == fKeyParam.end()) {
+ cout << fArgv[0] << ": unrecognized option " << fArgv[i] << "\n";
+ printhelp();
+ }
+ *(p->second.fZone) = float(strtod(fArgv[i+1], NULL));
+ }
+ i++;
+ }
+ else {
+ fNumframes = strtol(fArgv[i], NULL, 10);
+ if (fNumframes <= 0 ) printhelp();
+ }
+ }
+ }
+
+ char* output_file() { return fOutFile; }
+ long num_frames() { return fNumframes; }
+
+ void process_init()
+ {
+ map<string, param>::iterator p;
+ for (int i = 1; i < fArgc; i++) {
+ if (fArgv[i][0] == '-') {
+ p = fKeyParam.find(fArgv[i]);
+ if (p != fKeyParam.end()) {
+ *(p->second.fZone) = float(strtod(fArgv[i+1], NULL));
+ i++;
+ }
+ }
+ }
+ }
+};
+
+
+//----------------------------------------------------------------
+// d�inition du processeur de signal
+//----------------------------------------------------------------
+
+class dsp {
+ protected:
+ int fSamplingFreq;
+ public:
+ dsp() {}
+ virtual ~dsp() {}
+
+ virtual int getNumInputs() = 0;
+ virtual int getNumOutputs() = 0;
+ virtual void buildUserInterface(UI* interface) = 0;
+ virtual void init(int samplingRate) = 0;
+ virtual void compute(int len, float** inputs, float** outputs) = 0;
+ virtual void conclude() {}
+};
+
+/********************END ARCHITECTURE SECTION (part 1/2)****************/
+
+/**************************BEGIN USER SECTION **************************/
+
+<<includeclass>>
+
+/***************************END USER SECTION ***************************/
+
+/*******************BEGIN ARCHITECTURE SECTION (part 2/2)***************/
+
+mydsp DSP;
+
+class Interleaver
+{
+ int fNumFrames;
+ int fNumInputs;
+ int fNumOutputs;
+
+ float* fInputs[256];
+ float* fOutput;
+
+ public:
+
+ Interleaver(int numFrames, int numInputs, int numOutputs)
+ {
+ fNumFrames = numFrames;
+ fNumInputs = max(numInputs, numOutputs);
+ fNumOutputs = numOutputs;
+
+ // allocate separate input channels
+ for (int i = 0; i < fNumInputs; i++) {
+ fInputs[i] = (float*) calloc (fNumFrames, sizeof(float));
+ }
+
+ // allocate interleaved output channel
+ fOutput = (float*) calloc(fNumFrames*fNumOutputs, sizeof(float));
+
+ }
+
+ ~Interleaver()
+ {
+ // free separate input channels
+ for (int i = 0; i < fNumInputs; i++) {
+ free(fInputs[i]);
+ }
+
+ // free interleaved output channel
+ free(fOutput);
+ }
+
+ float** inputs() { return fInputs; }
+ float* output() { return fOutput; }
+
+ void interleave()
+ {
+ for (int s = 0; s < fNumFrames; s++) {
+ for (int c = 0; c < fNumOutputs; c++) {
+ fOutput[c + s*fNumOutputs] = fInputs[c][s];
+ }
+ }
+ }
+};
+
+#define kFrames 512
+#define kSampleRate 44100
+
+int main(int argc, char *argv[] )
+{
+ CMDUI* interface = new CMDUI(argc, argv);
+ DSP.buildUserInterface(interface);
+ interface->process_command();
+
+ // open output file
+ SNDFILE* out_sf;
+ SF_INFO out_info = { interface->num_frames(), kSampleRate, DSP.getNumOutputs(),
+ SF_FORMAT_WAV|SF_FORMAT_PCM_16|SF_ENDIAN_LITTLE, 0, 0};
+ out_sf = sf_open(interface->output_file(), SFM_WRITE, &out_info);
+ if (out_sf == NULL) {
+ cerr << "Error: ";
+ sf_perror(out_sf);
+ exit(1);
+ }
+
+ // create interleaver
+ Interleaver ilv (kFrames, DSP.getNumOutputs(), DSP.getNumOutputs());
+
+ // init signal processor
+ DSP.init(kSampleRate);
+ interface->process_init();
+
+ // process all samples
+ int frames = interface->num_frames();
+ int nbf;
+ do {
+ if (frames > kFrames) {
+ nbf = kFrames;
+ frames -= kFrames;
+ }
+ else {
+ nbf = frames;
+ frames = 0;
+ }
+ DSP.compute(nbf, 0, ilv.inputs());
+ ilv.interleave();
+ sf_writef_float(out_sf, ilv.output(), nbf);
+ } while (nbf);
+
+ sf_close(out_sf);
+}
+/********************END ARCHITECTURE SECTION (part 2/2)****************/
+
projects / Faustine.git / blobdiff