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 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 <audio/audiostream.h>
#include <audio/decoders/wave.h>
#include <audio/decoders/adpcm.h>
#include "sound.h"
namespace Pink {
Sound::Sound(Audio::Mixer *mixer, AudioFormat format, Common::SeekableReadStream *stream)
: _mixer(mixer)
{
load(format, stream);
}
Sound::~Sound() {
//look for mem leak
stop();
}
bool Sound::isPlaying() {
return _mixer->isSoundHandleActive(_handle);
}
void Sound::pause() {
_mixer->pauseHandle(_handle, true);
}
void Sound::resume() {
_mixer->pauseHandle(_handle, false);
}
void Sound::stop() {
_mixer->stopHandle(_handle);
}
void Sound::play(Audio::Mixer::SoundType type, int volume, bool isLoop) {
_mixer->stopHandle(_handle);
if (isLoop) {
//bad impl?
Audio::SeekableAudioStream *seekableStream = dynamic_cast<Audio::SeekableAudioStream*>(_stream);
_stream = Audio::makeLoopingAudioStream(seekableStream, 0, 0, 0);
}
_mixer->playStream(type, &_handle ,_stream);
}
bool Sound::load(AudioFormat format, Common::SeekableReadStream *stream) {
//may be mem leak
// checked vox files in hex editor and they have WAVEfmt .
// It seems strange for me
// linux file says wav and vox are
// RIFF (little-endian) data, WAVE audio, Microsoft PCM, 8 bit, mono 22050 Hz
switch (format){
case AudioFormat::kWAV:
_stream = Audio::makeWAVStream(stream, DisposeAfterUse::NO);
break;
case AudioFormat::kVOX:
//TODO
// check for last arg; nBlockAlign(1, 4 or other)
_stream = Audio::makeADPCMStream(stream, DisposeAfterUse::NO, 0, Audio::kADPCMOki, 22050, 1, 0);
break;
}
return isLoaded();
}
bool Sound::isLoaded() {
return _stream != nullptr;
}
void Sound::setBalance(int8 balance) {
_mixer->setChannelBalance(_handle, balance);
}
} // End of namespace Pink
|