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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef header_soundbuffer_session_generic
#define header_soundbuffer_session_generic
#if _MSC_VER > 1000
#pragma once
#endif
#include <vector>
#include "API/Core/System/mutexsharedptr.h"
#include "API/Core/System/mutex.h"
#include "API/Sound/soundformat.h"
class CL_SoundFilter;
class CL_SoundBuffer_Generic;
class CL_SoundProvider_Session;
class CL_SoundOutput_Generic;
class CL_SoundBuffer_Session_Generic
{
//! Construction:
public:
CL_SoundBuffer_Session_Generic(
CL_MutexSharedPtr<CL_SoundBuffer_Generic> soundbuffer,
bool looping,
CL_SoundOutput_Generic *output);
virtual ~CL_SoundBuffer_Session_Generic();
//! Attributes:
public:
CL_MutexSharedPtr<CL_SoundBuffer_Generic> soundbuffer;
CL_SoundProvider_Session *provider_session;
CL_SoundOutput_Generic *output;
float volume;
float pan;
bool looping;
bool playing;
float speedfactor;
std::vector<CL_SoundFilter *> filters;
std::vector<bool> delete_filters;
mutable CL_Mutex mutex;
//! Operations:
public:
bool mix_to(int **sample_data, int **temp_data, int num_samples, int channels);
//! Implementation:
private:
//: Fills temporary buffers with data from provider.
void get_data();
//: Temporary channel buffers containing sound data in provider frequency.
int **buffer_data;
//: Size of temporary channel buffers.
int num_buffer_samples;
//: Number of temporary channel buffers;
int num_buffer_channels;
//: Current playback position in temporary buffers.
double buffer_position;
//: Number of samples currently written to buffer_data.
int buffer_samples_written;
};
#endif
|
