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/************************************************************************
FAUST Architecture File
Copyright (C) 2003-2020 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <errno.h>
#include <time.h>
#include <sndfile.h>
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <iomanip>
#ifndef _WIN32
#include <libgen.h>
#endif
#include "faust/misc.h"
using namespace std;
#define BUFFER_SIZE 1024
// g++ -O3 sound2file.cpp -lsndfile -o sound2file
static string RemoveEnding(const string& name)
{
int match = name.rfind(".");
return (match != string::npos) ? name.substr(0, match) : name;
}
int main(int argc, char* argv[])
{
SNDFILE* soundfile;
SF_INFO snd_info;
char* base_name;
const char* output = lopts(argv, "-o", "");
bool is_double = isopt(argv, "-d");
bool is_interleaved = isopt(argv, "-i");
#ifndef _WIN32
base_name = basename(argv[1]);
#else
base_name = new char[_MAX_FNAME];
_splitpath(argv[1], NULL, NULL, base_name, NULL);
#endif
if (argc < 2) {
printf("sound2file <sound> [-d] (for 'double' samples) [-i] -o <file>\n");
exit(1);
}
if (isdigit(base_name[0])) {
printf("soundfile '%s' start with a digit, please rename it\n", base_name);
exit(0);
}
snd_info.format = 0;
soundfile = sf_open(argv[1], SFM_READ, &snd_info);
if (!soundfile) {
printf("soundfile '%s' cannot be opened\n", base_name);
exit(0);
}
std::ostream* dst;
if (strcmp(output, "") == 0) {
dst = &cout;
} else {
dst = new ofstream(output);
}
double buffer[BUFFER_SIZE * snd_info.channels];
string name_aux = RemoveEnding(base_name);
char sep;
// Generates one interleaved table
if (is_interleaved) {
if (is_double) {
*dst << std::setprecision(std::numeric_limits<double>::max_digits10);
*dst << "double " << name_aux << "_sample(int channel, int index) {" << std::endl;
*dst << "static const double " << name_aux << "[" << snd_info.channels << " * " << snd_info.frames << "] = ";
} else {
*dst << std::setprecision(std::numeric_limits<float>::max_digits10);
*dst << "float " << name_aux << "_sample(int channel, int index) {" << std::endl;
*dst << "static const float " << name_aux << "[" << snd_info.channels << " * " << snd_info.frames << "] = ";
}
int nbf;
sep = '{';
do {
nbf = sf_readf_double(soundfile, buffer, BUFFER_SIZE);
for (int sample = 0; sample < nbf * snd_info.channels; sample++) {
*dst << sep << buffer[sample];
sep = ',';
}
} while (nbf == BUFFER_SIZE);
*dst << "};" << std::endl;
*dst << "return " << name_aux << "[(index % " << snd_info.frames << ") * " << snd_info.channels << " + channel];" << std::endl;
*dst << "};" << std::endl;
*dst << "int " << name_aux << "_size()" << " { return " << snd_info.frames << "; }" << std::endl;
*dst << "int " << name_aux << "_channels()" << " { return " << snd_info.channels << "; }" << std::endl;
// Generates several non-interleaved tables
} else {
if (is_double) {
*dst << std::setprecision(std::numeric_limits<double>::max_digits10);
*dst << "static const double " << name_aux << "[" << snd_info.channels << "]" << "[" << snd_info.frames << "] = { ";
} else {
*dst << std::setprecision(std::numeric_limits<float>::max_digits10);
*dst << "static const float " << name_aux << "[" << snd_info.channels << "]" << "[" << snd_info.frames << "] = { ";
}
int nbf;
for (int chan = 0; chan < snd_info.channels; chan++) {
*dst << '{';
sep = ' ';
do {
nbf = sf_readf_double(soundfile, buffer, BUFFER_SIZE);
for (int frame = 0; frame < nbf; frame++) {
*dst << sep << buffer[frame + chan];
sep = ',';
}
} while (nbf == BUFFER_SIZE);
*dst << '}';
if (chan < snd_info.channels-1) *dst << ',';
sf_seek(soundfile, 0, SEEK_SET);
}
*dst << "};" << std::endl;
if (is_double) {
*dst << "double " << name_aux << "_sample(int channel, int index) { ";
*dst << "return " << name_aux << "[channel][index]; }" << std::endl;
*dst << "const double* " << name_aux << "_channel(int channel) { ";
*dst << "return " << name_aux << "[channel]; }" << std::endl;
} else {
*dst << "float " << name_aux << "_sample(int channel, int index) { ";
*dst << "return " << name_aux << "[channel][index]; }" << std::endl;
*dst << "const float* " << name_aux << "_channel(int channel) { ";
*dst << "return " << name_aux << "[channel]; }" << std::endl;
}
*dst << "int " << name_aux << "_size()" << " { return " << snd_info.frames << "; }" << std::endl;
*dst << "int " << name_aux << "_channels()" << " { return " << snd_info.channels << "; }" << std::endl;
}
dst->flush();
}
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