1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#include <stdio.h>
#include <stdlib.h>
// sox -t raw -A -r 8000 -b alaw.alaw -t sw alaw.out
int main(void){
int i;
FILE *f;
f=fopen("alaw.dat","wb");
for(i=0;i<256;i++) fwrite(&i,1,1,f);
fclose(f);
system("sox -t raw -A -r 8000 -b alaw.dat -t sw alaw.out");
printf("// Generated by TOOLS/alaw-gen.c\n");
printf("\nshort alaw2short[]={\n");
f=fopen("alaw.out","rb");
for(i=0;i<256;i++){
signed short x;
fread(&x,2,1,f);
printf("%6d",x);
if(i!=255) putchar(',');
if((i&7)==7) printf("\n");
}
fclose(f);
printf("};\n");
system("sox -t raw -U -r 8000 -b alaw.dat -t sw alaw.out");
printf("\nshort ulaw2short[]={\n");
f=fopen("alaw.out","rb");
for(i=0;i<256;i++){
signed short x;
fread(&x,2,1,f);
printf("%6d",x);
if(i!=255) putchar(',');
if((i&7)==7) printf("\n");
}
fclose(f);
printf("};\n");
return 0;
}
|
