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
|
/**
* @file audioengine_fmodex.h
* @brief Definition of LLAudioEngine class abstracting the audio
* support as a FMODEX implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2014, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_AUDIOENGINE_FMODEX_H
#define LL_AUDIOENGINE_FMODEX_H
#include "llaudioengine.h"
#include "llwindgen.h"
//Stubs
class LLAudioStreamManagerFMODEX;
namespace FMOD
{
class System;
class Channel;
class ChannelGroup;
class Sound;
class DSP;
}
typedef struct FMOD_DSP_DESCRIPTION FMOD_DSP_DESCRIPTION;
//Interfaces
class LLAudioEngine_FMODEX : public LLAudioEngine
{
public:
LLAudioEngine_FMODEX(bool enable_profiler);
virtual ~LLAudioEngine_FMODEX();
// initialization/startup/shutdown
virtual bool init(const S32 num_channels, void *user_data);
virtual std::string getDriverName(bool verbose);
virtual void allocateListener();
virtual void shutdown();
/*virtual*/ bool initWind();
/*virtual*/ void cleanupWind();
/*virtual*/void updateWind(LLVector3 direction, F32 camera_height_above_water);
typedef F32 MIXBUFFERFORMAT;
FMOD::System *getSystem() const {return mSystem;}
protected:
/*virtual*/ LLAudioBuffer *createBuffer(); // Get a free buffer, or flush an existing one if you have to.
/*virtual*/ LLAudioChannel *createChannel(); // Create a new audio channel.
/*virtual*/ void setInternalGain(F32 gain);
bool mInited;
LLWindGen<MIXBUFFERFORMAT> *mWindGen;
FMOD_DSP_DESCRIPTION *mWindDSPDesc;
FMOD::DSP *mWindDSP;
FMOD::System *mSystem;
bool mEnableProfiler;
public:
static FMOD::ChannelGroup *mChannelGroups[LLAudioEngine::AUDIO_TYPE_COUNT];
};
class LLAudioChannelFMODEX : public LLAudioChannel
{
public:
LLAudioChannelFMODEX(FMOD::System *audioengine);
virtual ~LLAudioChannelFMODEX();
protected:
/*virtual*/ void play();
/*virtual*/ void playSynced(LLAudioChannel *channelp);
/*virtual*/ void cleanup();
/*virtual*/ bool isPlaying();
/*virtual*/ bool updateBuffer();
/*virtual*/ void update3DPosition();
/*virtual*/ void updateLoop();
void set3DMode(bool use3d);
protected:
FMOD::System *getSystem() const {return mSystemp;}
FMOD::System *mSystemp;
FMOD::Channel *mChannelp;
S32 mLastSamplePos;
};
class LLAudioBufferFMODEX : public LLAudioBuffer
{
public:
LLAudioBufferFMODEX(FMOD::System *audioengine);
virtual ~LLAudioBufferFMODEX();
/*virtual*/ bool loadWAV(const std::string& filename);
/*virtual*/ U32 getLength();
friend class LLAudioChannelFMODEX;
protected:
FMOD::System *getSystem() const {return mSystemp;}
FMOD::System *mSystemp;
FMOD::Sound *getSound() const{ return mSoundp; }
FMOD::Sound *mSoundp;
};
#endif // LL_AUDIOENGINE_FMODEX_H
|
