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소스.cpp
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소스.cpp
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#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main_classd(int argc, char* argv[]) {
int samplingrate;
FILE* f;
if (f = fopen("config.txt", "r")) {
fscanf(f, "%d", &samplingrate);
fclose(f);
}
else {
f = fopen("config.txt", "w");
fprintf(f, "1000000");
fclose(f);
samplingrate = 1000000;
}
for (int i = 1; i < argc; i++) {
printf("%s\n", argv[i]);
FILE* f;
long hdr[11], smpl, depth, count;
double dsmpl, div, div2;
int cnt, outl, lp, lp2, j;
void* data;
char* out;
short* sdata;
f = fopen(argv[i], "rb");
fread(hdr, 4, 11, f);
smpl = hdr[6];
div = static_cast<double>(samplingrate) / static_cast<double>(smpl);
depth = hdr[8] >> 19;
count = hdr[10] / depth;
data = malloc(hdr[10]);
fread(data, depth, count, f);
fclose(f);
outl = static_cast<long>(static_cast<long long>(count) * static_cast<long long>(samplingrate) / static_cast<long long>(smpl));
out = reinterpret_cast<char*>(malloc(outl));
cnt = 0;
lp = 0;
sdata = reinterpret_cast<short*>(data);
while (cnt < outl) {
lp -= sdata[static_cast<int>(static_cast<double>(cnt) / div)];
if (0 > lp) out[cnt] = 255, lp += 32768;
else out[cnt] = 0, lp -= 32768;
cnt++;
}
free(data);
char* filename = reinterpret_cast<char*>(malloc(strlen(argv[i]) + 10));
char* tok1 = strtok(argv[i], ".");
char* tok2 = strtok(NULL, ".");
sprintf(filename, "%s_PDM.%s", tok1, tok2);
f = fopen(filename, "wb");
hdr[0] = 0x46464952;
hdr[1] = outl + 0x24;
hdr[2] = 0x45564157;
hdr[3] = 0x20746D66;
hdr[4] = 0x00000010;
hdr[5] = 0x00010001;
hdr[6] = samplingrate;
hdr[7] = samplingrate;
hdr[8] = 0x00080001;
hdr[9] = 0x61746164;
hdr[10] = outl;
fwrite(hdr, 4, 11, f);
fwrite(out, 1, outl, f);
fclose(f);
free(out);
}
return 0;
}
int main_prop(int argc, char* argv[]) {
int samplingrate;
FILE* f;
if (f = fopen("config.txt", "r")) {
fscanf(f, "%d", &samplingrate);
fclose(f);
}
else {
f = fopen("config.txt", "w");
fprintf(f, "1000000");
fclose(f);
samplingrate = 1000000;
}
for (int i = 1; i < argc; i++) {
printf("%s\n", argv[i]);
FILE* f;
long hdr[11], smpl, depth, count;
double dsmpl, div, div2;
int cnt, outl, lp, lp2, j;
void* data;
char* out;
short* sdata;
f = fopen(argv[i], "rb");
fread(hdr, 4, 11, f);
smpl = hdr[6];
div = static_cast<double>(samplingrate) / static_cast<double>(smpl);
depth = hdr[8] >> 19;
count = hdr[10] / depth;
data = malloc(hdr[10]);
fread(data, depth, count, f);
fclose(f);
outl = static_cast<long>(static_cast<long long>(count) * static_cast<long long>(samplingrate) / static_cast<long long>(smpl));
out = reinterpret_cast<char*>(malloc(outl));
cnt = 0;
lp = 0;
sdata = reinterpret_cast<short*>(data);
int q = 10;
while (cnt < outl) {
lp -= sdata[static_cast<int>(static_cast<double>(cnt) / div)];
if (-8192 > lp) {
if (-16384 < lp && q > 10) { q = 0; out[cnt] = 96, lp += 8192;}
else { q += 5; out[cnt] = 0, lp += 32768; }
}
else if(0>lp)out[cnt] = 96, lp += 8192;
else if(8192>lp) out[cnt] =160, lp -= 8192;
else {
if (16384 > lp && q > 10) { q = 0; out[cnt] = 160, lp -= 8192; }
else { q += 5; out[cnt] = 255, lp -= 32768; }
}
cnt++;
q++;
}
free(data);
char* filename = reinterpret_cast<char*>(malloc(strlen(argv[i]) + 10));
char* tok1 = strtok(argv[i], ".");
char* tok2 = strtok(NULL, ".");
sprintf(filename, "%s_PDM2.%s", tok1, tok2);
f = fopen(filename, "wb");
hdr[0] = 0x46464952;
hdr[1] = outl + 0x24;
hdr[2] = 0x45564157;
hdr[3] = 0x20746D66;
hdr[4] = 0x00000010;
hdr[5] = 0x00010001;
hdr[6] = samplingrate;
hdr[7] = samplingrate;
hdr[8] = 0x00080001;
hdr[9] = 0x61746164;
hdr[10] = outl;
fwrite(hdr, 4, 11, f);
fwrite(out, 1, outl, f);
fclose(f);
free(out);
}
return 0;
}
int main(int argc, char* argv[]) {
char** dat = new char* [argc];
for (int i = 0; i < argc; i++) {
dat[i] = new char[10000];
strcpy(dat[i], argv[i]);
}
main_classd(argc, dat);
main_prop(argc, argv);
}