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
48
49
50
51
52
53
54
|
#include "UnityPrefix.h"
#include "Configuration/UnityConfigure.h"
#include "WavFileUtility.h"
#include <stdio.h>
static inline int fput2 (unsigned short v, FILE* f)
{
return fwrite (&v, 2, 1, f);
}
static inline int fput4 (unsigned v, FILE* f)
{
return fwrite (&v, 4, 1, f);
}
bool WriteWaveFile (char const* filename, int channels, int samplebits, int freq, void* data, int samples)
{
FILE* wf = fopen (filename, "wb+");
if (!wf)
return false;
size_t datasize = channels * (samplebits / 8) * samples;
#define C(x) if (x < 0) goto err
// RIFF chunk
C((fputs ("RIFF", wf)));
C((fput4 (datasize + (12-8) + 24 + 8, wf)));
C((fputs ("WAVE", wf)));
// FORMAT chunk
C((fputs ("fmt ", wf)));
C((fput4 (0x10, wf)));
C((fput2 (0x01, wf)));
C((fput2 (channels, wf)));
C((fput4 (freq, wf)));
C((fput4 (channels * samplebits * freq, wf)));
C((fput2 (samplebits >> 3, wf)));
C((fput2 (samplebits, wf)));
// DATA chunk
C((fputs ("data", wf)));
C((fput4 (datasize, wf)));
C((fwrite (data, datasize, 1, wf)));
#undef C
fclose (wf);
return true;
err:
fclose (wf);
return false;
}
|
