int getByte(FILE *in)
{
int v, i;
v = 0;
for(i = 0; i < 8; i++) {
v += (fgetc2(in) == '1' ? 1 << (7-i) : 0);
}
return v;
}
int tag() {
int c = 0, cc = 0, c0 = 0, c1 = 0, c2 = 0;
while((c = fgetc2(IN)) >= 0) {
if (c == EOF)
return -1;
c1 += (cc == c && c == '1');
c0 += (cc == c && c == '0');
if (cc == '0' && c == '1')
if (c1 > 18 && c0 > 18)
break;
else
c1 = c2 = c0 = 0;
cc = c;
// if (c2 == 2) printf("c0=%d,c1=%d,c2=%d\n", c0, c1, c2);
}
if (fgetc2(IN) == EOF)
return -1;
return 0;
}
void main(int argc, char **argv)
{
if(argc < 1)
return;
// get path
int dat, l = 0, h = 0, w = 0, n = 0;
bool prev = false;
FILE *fs, *fd;
char root[_MAX_PATH], file[_MAX_PATH];
char tmp1[_MAX_PATH], tmp2[_MAX_PATH], dest[_MAX_PATH];
GetModuleFileName(NULL, root, _MAX_PATH);
int p = strlen(root);
while(root[p] != '\\')
p--;
root[p] = '\0';
strcpy(tmp1, argv[1]);
p = strlen(tmp1);
while(p != 0 && tmp1[p] != '\\')
p--;
if(p)
strcpy(file, &tmp1[p + 1]);
else
strcpy(file, argv[1]);
sprintf(tmp1, "%s\\tmp1.txt", root);
sprintf(tmp2, "%s\\tmp2.txt", root);
sprintf(dest, "%s\\dest.cas", root);
if(strcmp(file, "tmp1.txt") == 0) {
printf("skip wav->pulse\n");
goto label1;
}
if(strcmp(file, "tmp2.txt") == 0) {
printf("skip wav->pulse\n");
printf("skip pulse->bit\n");
goto label2;
}
// convert #1 (wav -> pulse)
fs = fopen(argv[1], "rb");
fd = fopen(tmp1, "w");
while((dat = fgetc(fs)) != EOF) {
bool current = dat & 0x80 ? false : true;
if(prev && !current) {
if(NARROW(l) && (NARROW(h) || WIDE(h)))
fputc('N', fd);
else if(WIDE(l) && (WIDE(h) || NARROW(h)))
fputc('w', fd);
else
fprintf(fd, "[%d,%d]", l, h);
l = h = 0;
}
if(current)
h++;
else
l++;
prev = current;
}
fclose(fd);
fclose(fs);
label1:
// convert #2 (pulse -> bit)
fs = fopen(tmp1, "rb");
fd = fopen(tmp2, "w");
prev = true;
while((dat = fgetc(fs)) != EOF) {
if(dat != 'w' && dat != 'N') {
fputc(dat, fd);
continue;
}
bool current = (dat == 'w') ? true : false;
if(prev != current) {
if(w)
fprintf(fd, "[W%d]", w);
if(n)
fprintf(fd, "[n%d]", n);
w = n = 0;
}
prev = current;
if(current)
w++;
else
n++;
if(w == 2) {
fputc('w', fd);
w = n = 0;
}
if(n == 4) {
fputc('N', fd);
w = n = 0;
}
}
fclose(fd);
fclose(fs);
label2:
// convert #3 (bit -> byte)
fs = fopen(tmp2, "rb");
fd = fopen(dest, "wb");
while((dat = fgetc2(fs)) != EOF) {
if(dat != 'N')
continue;
if(fgetc2(fs) != 'N')
continue;
label3:
dat = fgetc2(fs);
if(dat == EOF)
break;
if(dat != 'w')
goto label3;
int d = 0;
d |= (fgetc2(fs) == 'N') ? 0x01 : 0;
d |= (fgetc2(fs) == 'N') ? 0x02 : 0;
d |= (fgetc2(fs) == 'N') ? 0x04 : 0;
d |= (fgetc2(fs) == 'N') ? 0x08 : 0;
d |= (fgetc2(fs) == 'N') ? 0x10 : 0;
d |= (fgetc2(fs) == 'N') ? 0x20 : 0;
d |= (fgetc2(fs) == 'N') ? 0x40 : 0;
d |= (fgetc2(fs) == 'N') ? 0x80 : 0;
fputc(d, fd);
}
fclose(fd);
fclose(fs);
}