File: sound_driver_manager.cpp

package info (click to toggle)
zytrax 0%2Bgit20201215-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye
  • size: 2,488 kB
  • sloc: cpp: 41,800; ansic: 3,387; makefile: 8; sh: 3
file content (139 lines) | stat: -rw-r--r-- 3,633 bytes parent folder | download
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
//
// C++ Implementation: sound_driver_manager
//
// Description:
//
//
// Author: Juan Linietsky <reduzio@gmail.com>, (C) 2006
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "sound_driver_manager.h"
#include "error_macros.h"

int SoundDriverManager::buffer_size_frames[SoundDriverManager::BUFFER_SIZE_MAX] = {
	64, 128, 256, 512, 1024, 2048, 4096
};
int SoundDriverManager::mix_frequenzy_hz[SoundDriverManager::MIX_FREQ_MAX] = {
	22050, 44100, 48000, 96000, 192000
};

SoundDriver *SoundDriverManager::sound_drivers[MAX_SOUND_DRIVERS];
int SoundDriverManager::sound_driver_count = 0;
int SoundDriverManager::current_driver = 0;

SoundDriverManager::MixFrequency SoundDriverManager::mixing_hz = SoundDriverManager::MIX_FREQ_48000;
SoundDriverManager::BufferSize SoundDriverManager::buffer_size = SoundDriverManager::BUFFER_SIZE_1024;
SoundDriverManager::BufferSize SoundDriverManager::step_size = SoundDriverManager::BUFFER_SIZE_256;

SoundDriverManager::MixCallback SoundDriverManager::mix_callback = NULL;

int SoundDriverManager::get_current_driver_index() {

	return current_driver;
}

void SoundDriverManager::lock_driver() {

	if (sound_driver_count == 0)
		return;

	ERR_FAIL_INDEX(current_driver, sound_driver_count);

	sound_drivers[current_driver]->lock();
}
void SoundDriverManager::unlock_driver() {

	if (sound_driver_count == 0)
		return;

	ERR_FAIL_INDEX(current_driver, sound_driver_count);

	sound_drivers[current_driver]->unlock();
}

bool SoundDriverManager::is_driver_active() {

	ERR_FAIL_INDEX_V(current_driver, sound_driver_count, false);

	return sound_drivers[current_driver]->is_active();
}

bool SoundDriverManager::init_driver(int p_driver) {

	if (p_driver == -1)
		p_driver = current_driver;

	ERR_FAIL_INDEX_V(p_driver, sound_driver_count, true); //init current driver, but current is invalid

	if (current_driver >= 0 && current_driver < sound_driver_count && sound_drivers[current_driver]->is_active())
		sound_drivers[current_driver]->finish();

	current_driver = p_driver;

	return sound_drivers[current_driver]->init();
}
void SoundDriverManager::finish_driver() {

	ERR_FAIL_INDEX(current_driver, sound_driver_count);

	if (!sound_drivers[current_driver]->is_active())
		return;

	sound_drivers[current_driver]->finish();
}

int SoundDriverManager::get_driver_count() {

	return sound_driver_count;
}
SoundDriver *SoundDriverManager::get_driver(int p_which) {

	if (p_which == -1)
		p_which = current_driver;

	ERR_FAIL_INDEX_V(p_which, sound_driver_count, 0);

	return sound_drivers[p_which];
}

void SoundDriverManager::set_mix_frequency(MixFrequency p_frequency) {

	mixing_hz = p_frequency;
}
SoundDriverManager::MixFrequency SoundDriverManager::get_mix_frequency() {
	return mixing_hz;
}

void SoundDriverManager::set_buffer_size(BufferSize p_size) {

	buffer_size = p_size;
}
SoundDriverManager::BufferSize SoundDriverManager::get_buffer_size() {
	return buffer_size;
}

void SoundDriverManager::set_step_buffer_size(BufferSize p_size) {
	step_size = p_size;
}
SoundDriverManager::BufferSize SoundDriverManager::get_step_buffer_size() {
	return step_size;
}

int SoundDriverManager::get_mix_frequency_hz(MixFrequency p_frequency) {
	return mix_frequenzy_hz[p_frequency];
}
int SoundDriverManager::get_buffer_size_frames(BufferSize p_size) {
	return buffer_size_frames[p_size];
}

void SoundDriverManager::set_mix_callback(MixCallback p_callback) {
	mix_callback = p_callback;
}

void SoundDriverManager::register_driver(SoundDriver *p_driver) {

	ERR_FAIL_COND(sound_driver_count >= MAX_SOUND_DRIVERS);
	sound_drivers[sound_driver_count++] = p_driver;
}