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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "titanic/sound/qmixer.h"
namespace Titanic {
QMixer::QMixer(Audio::Mixer *mixer) : _mixer(mixer) {
}
bool QMixer::qsWaveMixInitEx(const QMIXCONFIG &config) {
assert(_channels.empty());
assert(config.iChannels > 0 && config.iChannels < 256);
_channels.resize(config.iChannels);
return true;
}
void QMixer::qsWaveMixActivate(bool fActivate) {
// Not currently implemented in ScummVM
}
int QMixer::qsWaveMixOpenChannel(int iChannel, QMixFlag mode) {
// Not currently implemented in ScummVM
return 0;
}
int QMixer::qsWaveMixEnableChannel(int iChannel, uint flags, bool enabled) {
// Not currently implemented in ScummVM
return 0;
}
void QMixer::qsWaveMixCloseSession() {
_mixer->stopAll();
_channels.clear();
}
void QMixer::qsWaveMixFreeWave(Audio::SoundHandle &handle) {
_mixer->stopHandle(handle);
}
void QMixer::qsWaveMixFlushChannel(int iChannel, uint flags) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetPanRate(int iChannel, uint flags, uint rate) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetVolume(int iChannel, uint flags, uint volume) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetSourcePosition(int iChannel, uint flags, const QSVECTOR &position) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetPolarPosition(int iChannel, uint flags, const QSPOLAR &position) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetListenerPosition(const QSVECTOR &position, uint flags) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetListenerOrientation(const QSVECTOR &direction, const QSVECTOR &up, uint flags) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetDistanceMapping(int iChannel, uint flags, const QMIX_DISTANCES &distances) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetFrequency(int iChannel, uint flags, uint frequency) {
// Not currently implemented in ScummVM
}
void QMixer::qsWaveMixSetSourceVelocity(int iChannel, uint flags, const QSVECTOR &velocity) {
// Not currently implemented in ScummVM
}
int QMixer::qsWaveMixPlayEx(int iChannel, uint flags, CWaveFile *waveFile, int loops, const QMIXPLAYPARAMS ¶ms) {
if (iChannel == -1) {
// Find a free channel
for (iChannel = 0; iChannel < (int)_channels.size(); ++iChannel) {
if (_channels[iChannel]._sounds.empty())
break;
}
assert(iChannel != (int)_channels.size());
}
// If the new sound replaces current ones, then clear the channel
ChannelEntry &channel = _channels[iChannel];
if (flags & QMIX_CLEARQUEUE) {
if (!channel._sounds.empty() && channel._sounds.front()._started)
_mixer->stopHandle(channel._sounds.front()._soundHandle);
channel._sounds.clear();
}
// Add the sound to the channel
channel._sounds.push_back(SoundEntry(waveFile, params.callback, loops, params.dwUser));
qsWaveMixPump();
return 0;
}
bool QMixer::qsWaveMixIsChannelDone(int iChannel) const {
return _channels[iChannel]._sounds.empty();
}
void QMixer::qsWaveMixPump() {
// Iterate through each of the channels
for (uint iChannel = 0; iChannel < _channels.size(); ++iChannel) {
ChannelEntry &channel = _channels[iChannel];
// If the playing sound on the channel is finished, then call
// the callback registered for it, and remove it from the list
if (!channel._sounds.empty()) {
SoundEntry &sound = channel._sounds.front();
if (sound._started && !_mixer->isSoundHandleActive(sound._soundHandle)) {
if (sound._loops == -1 || sound._loops-- > 0) {
// Need to loop the sound again
sound._waveFile->_stream->rewind();
_mixer->playStream(sound._waveFile->_soundType,
&sound._soundHandle, sound._waveFile->_stream,
-1, 0xff, 0, DisposeAfterUse::NO);
} else {
// Sound is finished
if (sound._callback)
// Call the callback to signal end
sound._callback(iChannel, sound._waveFile, sound._userData);
// Remove sound record from channel
channel._sounds.erase(channel._sounds.begin());
}
}
}
// If there's an unstarted sound at the front of a channel's
// sound list, then start it playing
if (!channel._sounds.empty()) {
SoundEntry &sound = channel._sounds.front();
if (!sound._started) {
_mixer->playStream(sound._waveFile->_soundType,
&sound._soundHandle, sound._waveFile->_stream,
-1, 0xff, 0, DisposeAfterUse::NO);
sound._started = true;
}
}
}
}
} // End of namespace Titanic z
|
