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/*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program 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 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.
*/
#include <stdio.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#define NOTMAPPED 0
#define SAMPLES 1
void inplace_reverse(unsigned char * str)
{
if (str)
{
unsigned char * end = str + strlen(str) - 1;
# define XOR_SWAP(a,b) do\
{\
a ^= b;\
b ^= a;\
a ^= b;\
} while (0)
while (str < end)
{
XOR_SWAP(*str, *end);
str++;
end--;
}
# undef XOR_SWAP
}
}
int main(int argc, char** argv) {
FILE *fp;
int i;
int j;
int k;
int l;
int len;
int type;
unsigned char *ptf;
fp = fopen(argv[1], "rb");
fseek(fp, 0, SEEK_END);
len = ftell(fp);
fseek(fp, 0x0, SEEK_SET);
if ((ptf = malloc(len*sizeof(unsigned char))) == 0) {
printf("Out of memory\n");
return 1;
}
fread(ptf, 1, len, fp);
// Find end of wav file list
k = 0;
while (k < len) {
if ( (ptf[k ] == 0xff) &&
(ptf[k+1] == 0xff) &&
(ptf[k+2] == 0xff) &&
(ptf[k+3] == 0xff)) {
break;
}
k++;
}
j = 0;
l = 0;
unsigned char wavname[256] = {0};
for (i = k; i > 4; i--) {
if ( (ptf[i ] == 'W') &&
(ptf[i-1] == 'A') &&
(ptf[i-2] == 'V') &&
(ptf[i-3] == 'E')) {
j = i-4;
l = 0;
while (ptf[j] != '\0') {
wavname[l] = ptf[j];
l++;
j--;
}
wavname[l] = 0;
inplace_reverse(wavname);
printf("%s\n", wavname);
}
}
while ( (ptf[k ] != 0x5a) &&
(ptf[k+1] != 0x01) &&
(ptf[k+2] != 0x00)) {
k++;
}
for (i = k; i < len-70; i++) {
if ( (ptf[i ] == 0x5a) &&
(ptf[i+1] == 0x0c) &&
(ptf[i+2] == 0x00)) {
unsigned char name[65] = {0};
for (j = i + 13; j < i + 13 + 64; j++) {
name[j-(i+13)] = ptf[j];
if (ptf[j] == 0x00) {
type = SAMPLES;
name[j-(i+13)] = 0x00;
break;
}
if (ptf[j] == 0x01) {
type = NOTMAPPED;
name[j-(i+13)] = 0x00;
break;
}
}
int samplebytes1 = (ptf[j+3] & 0xf);
unsigned char samplebytehigh = ptf[j+16];
if ((samplebytes1 == 3) && (samplebytehigh == 0xfe)) {
samplebytes1 = 4;
}
//int samplebytes2 = (ptf[j+1] & 0xf0) >> 4;
//printf("sbh=0x%x\n", samplebytehigh);
int samplebytes = samplebytes1;
if (type == SAMPLES) {
uint32_t offset = 0;
switch (samplebytes) {
case 4:
offset |= (uint32_t)(ptf[j+11] << 24);
case 3:
offset |= (uint32_t)(ptf[j+10] << 16);
case 2:
offset |= (uint32_t)(ptf[j+9] << 8);
case 1:
offset |= (uint32_t)(ptf[j+8]);
default:
break;
}
//printf("%s sampleoffset = %08x = %d\n", name, offset, offset);
printf("%s\t%u\n", name, offset);
}
}
}
fclose(fp);
free(ptf);
return 0;
}
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