File: synthfile.cpp

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/************************************************************************
 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) 2003-2019 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>

#include "faust/dsp/dsp.h"
#include "faust/gui/console.h"
#include "faust/gui/meta.h"
#include "faust/dsp/dsp-tools.h"

using namespace std;

/******************************************************************************
 *******************************************************************************
 
 VECTOR INTRINSICS
 
 *******************************************************************************
 *******************************************************************************/

<<includeIntrinsic>>

/********************END ARCHITECTURE SECTION (part 1/2)****************/

/**************************BEGIN USER SECTION **************************/

<<includeclass>>

/***************************END USER SECTION ***************************/

/*******************BEGIN ARCHITECTURE SECTION (part 2/2)***************/


// loptrm : Scan command-line arguments and remove and return long int value when found
long loptrm(int* argcP, char* argv[], const char* longname, const char* shortname, long def)
{
    int argc = *argcP;
    for (int i = 2; i < argc; i++) {
        if (strcmp(argv[i-1], shortname) == 0 || strcmp(argv[i-1], longname) == 0) {
            int optval = atoi(argv[i]);
            for (int j = i-1; j < argc-2; j++) {  // make it go away for sake of "faust/gui/console.h"
                argv[j] = argv[j+2];
            }
            *argcP -= 2;
            return optval;
        }
    }
    return def;
}

mydsp DSP;

std::list<GUI*> GUI::fGuiList;
ztimedmap GUI::gTimedZoneMap;

#define kFrames         512
#define kSampleRate     44100

int main(int argc, char* argv[])
{
    CMDUI* interface = new CMDUI(argc, argv, true);
    DSP.buildUserInterface(interface);
    if (argc == 1) {
        interface->printhelp_command(OUTPUT_FILE);
        exit(1);
    }
    interface->process_command(OUTPUT_FILE);
    
    int num_samples = loptrm(&argc, argv, "--samples", "-s", kSampleRate*5);
    int sample_rate = loptrm(&argc, argv, "--sample-rate", "-sr", kSampleRate);
    int bit_depth = loptrm(&argc, argv, "--bith-depth (16|24|32)", "-bd", 16);
    
    int bd = (bit_depth == 16) ? SF_FORMAT_PCM_16 : ((bit_depth == 24) ? SF_FORMAT_PCM_24 : SF_FORMAT_PCM_32);
    
    // open output file
    if (interface->files() == 0) {
        interface->printhelp_command(OUTPUT_FILE);
        exit(1);
    }
    SF_INFO out_info = { num_samples, sample_rate, DSP.getNumOutputs(), SF_FORMAT_WAV|bd|SF_ENDIAN_LITTLE, 0, 0};
    SNDFILE* out_sf = sf_open(interface->input_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 DSP with SR
    DSP.init(sample_rate);
    // modify the UI values according to the command line options, after init
    interface->process_init();
    
    // process all samples
    int frames = num_samples;
    int nbf = 0;
    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)****************/