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
|
#include "stdafx.h"
#include "Loop.h"
#include <limits>
namespace sound {
SoundLoop::SoundLoop(Sound *src) : src(src), noSeek(false) {}
void SoundLoop::close() {
src->close();
}
Word SoundLoop::tell() {
return src->length() * repeat + src->tell();
}
Bool SoundLoop::seek(Word to) {
Word l = src->length();
repeat = to / l;
return src->seek(to % l);
}
Word SoundLoop::length() {
return std::numeric_limits<Word>::max();
}
Nat SoundLoop::sampleFreq() const {
return src->sampleFreq();
}
Nat SoundLoop::channels() const {
return src->channels();
}
Buffer SoundLoop::read(Buffer to) {
if (!src->more()) {
if (src->seek(0))
repeat++;
else
noSeek = true;
}
return src->read(to);
}
Bool SoundLoop::more() {
if (noSeek)
return src->more();
else
return true;
}
SoundLoop *loop(Sound *src) {
return new (src) SoundLoop(src);
}
}
|
