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
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SOUNDBUFFER_H
#define SOUNDBUFFER_H
#include <al.h>
#include <string>
#include <vector>
#include <cinttypes>
#include "System/UnorderedMap.hpp"
#include "System/Misc/NonCopyable.h"
/**
* @brief A buffer holding a sound
*
* One of these will be created for each {wav,ogg} sound-file loaded.
* All buffers are generated on demand and released when a game ends,
* and can be shared among multiple SoundItem instances.
*/
class SoundBuffer : spring::noncopyable
{
public:
/// Construct an "empty" buffer
/// can be played, but you won't hear anything
SoundBuffer() = default;
SoundBuffer(SoundBuffer&& sb) { *this = std::move(sb); }
~SoundBuffer() { Release(); }
SoundBuffer& operator = (SoundBuffer&& sb) {
filename = std::move(sb.filename);
id = sb.id;
sb.id = 0;
channels = sb.channels;
length = sb.length;
return *this;
}
bool LoadWAV(const std::string& file, const std::vector<std::uint8_t>& buffer);
bool LoadVorbis(const std::string& file, const std::vector<std::uint8_t>& buffer);
bool Release();
const std::string& GetFilename() const { return filename; }
ALuint GetId() const { return id; }
ALuint GetChannels() const { return channels; }
ALfloat GetLength() const { return length; }
int BufferSize() const;
static void Initialise() {
buffers.reserve(256);
buffers.emplace_back(); // empty ("zero") buffer
}
static void Deinitialise() {
bufferMap.clear();
buffers.clear();
}
static size_t GetId(const std::string& name);
static SoundBuffer& GetById(const size_t id);
static size_t Count() { return buffers.size(); }
static size_t AllocedSize();
static size_t Insert(SoundBuffer&& buffer);
private:
bool AlGenBuffer(const std::string& file, ALenum format, const std::uint8_t* data, size_t datalength, int rate);
std::string filename;
ALuint id = 0;
ALuint channels = 0;
ALfloat length = 0.0f;
typedef spring::unsynced_map<std::string, size_t> bufferMapT;
typedef std::vector<SoundBuffer> bufferVecT;
static bufferMapT bufferMap; // filename, index into ::buffers
static bufferVecT buffers;
};
#endif
|
