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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Allow use of stuff in <nds.h>
#define FORBIDDEN_SYMBOL_EXCEPTION_printf
#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
#include "common/scummsys.h"
#if defined(__DS__)
#include "backends/mixer/maxmod/maxmod-mixer.h"
#include "common/system.h"
#include <nds.h>
#include <maxmod9.h>
MaxModMixerManager::MaxModMixerManager(int freq, int bufSize)
:
_freq(freq),
_bufSize(bufSize) {
}
MaxModMixerManager::~MaxModMixerManager() {
// HACK: This is called during the OSystem destructor, but Audio::MixerImpl calls
// mutex functions from OSystem during its destructor, which causes a crash.
// _mixer->setReady(false);
_mixer = 0;
mmStreamClose();
}
mm_word on_stream_request( mm_word length, mm_addr dest, mm_stream_formats format ) {
Audio::MixerImpl *mixer = (Audio::MixerImpl *)g_system->getMixer();
assert(mixer);
mixer->mixCallback((byte *)dest, length * 4);
return length;
}
void MaxModMixerManager::init() {
_mixer = new Audio::MixerImpl(_freq, _bufSize / 4);
assert(_mixer);
mm_ds_system sys;
sys.mod_count = 0;
sys.samp_count = 0;
sys.mem_bank = 0;
sys.fifo_channel = FIFO_MAXMOD;
mmInit( &sys );
_stream.sampling_rate = _freq;
_stream.buffer_length = _bufSize / 4;
_stream.callback = on_stream_request;
_stream.format = MM_STREAM_16BIT_STEREO;
_stream.timer = MM_TIMER2;
_stream.manual = 1;
mmStreamOpen( &_stream );
_mixer->setReady(true);
}
void MaxModMixerManager::suspendAudio() {
mmStreamClose();
_audioSuspended = true;
}
int MaxModMixerManager::resumeAudio() {
if (!_audioSuspended)
return -2;
mmStreamOpen( &_stream );
_audioSuspended = false;
return 0;
}
void MaxModMixerManager::updateAudio() {
if (!_audioSuspended)
mmStreamUpdate();
}
#endif
|
