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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
#include "stdafx.h"
#include "Read.h"
#include "OggSound.h"
#include "FlacSound.h"
#include "WavSound.h"
#include "Mp3Sound.h"
#include "Exception.h"
namespace sound {
// check the header in the stream
// zeroTerm - Zero-terminated string in the file?
static bool checkHeader(IStream *file, const char *header, bool zeroTerm) {
nat len = nat(strlen(header));
if (zeroTerm)
len++;
storm::Buffer buffer = file->peek(storm::buffer(file->engine(), len));
if (!buffer.full()) {
return false;
}
for (nat i = 0; i < len; i++) {
if (byte(buffer[i]) != byte(header[i])) {
return false;
}
}
return true;
}
Sound *sound(IStream *src) {
Sound *result = null;
if (checkHeader(src, "OggS", false)) {
result = openOgg(src->randomAccess());
} else if (checkHeader(src, "fLaC", false)) {
result = openFlac(src->randomAccess());
} else if (checkHeader(src, "RIFF", false)) {
result = openWav(src->randomAccess());
} else if (checkHeader(src, "ID3", false)) {
result = openMp3(src->randomAccess());
} else if (checkHeader(src, "\xFF\xFB", false)) {
result = openMp3(src->randomAccess());
} else {
throw new (src) SoundOpenError(S("Unknown file format."));
}
if (!result)
throw new (src) SoundOpenError(S("Failed to open file."));
return result;
}
Sound *soundStream(IStream *src) {
Sound *result = null;
const char *foo = "\xFF\xFB";
PVAR(strlen("\xFF\xFB"));
PVAR(int(foo[0]));
PVAR(int(foo[1]));
if (checkHeader(src, "OggS", false)) {
result = openOggStream(src);
} else if (checkHeader(src, "fLaC", false)) {
result = openFlac(src->randomAccess());
} else if (checkHeader(src, "RIFF", false)) {
result = openWavStream(src);
} else if (checkHeader(src, "ID3", false)) {
result = openMp3Stream(src);
} else if (checkHeader(src, "\xFF\xFB", false)) {
result = openMp3Stream(src);
} else {
throw new (src) SoundOpenError(S("Unknown file format."));
}
if (!result)
throw new (src) SoundOpenError(S("Failed to open file."));
return result;
}
Sound *readSound(Url *file) {
return sound(file->read());
}
Sound *readSoundStream(Url *file) {
return soundStream(file->read());
}
}
|
