llaudioengine_fmod.h
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- /**
- * @file audioengine_fmod.h
- * @brief Definition of LLAudioEngine class abstracting the audio
- * support as a FMOD 3D implementation
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_AUDIOENGINE_FMOD_H
- #define LL_AUDIOENGINE_FMOD_H
- #include "llaudioengine.h"
- #include "lllistener_fmod.h"
- #include "llwindgen.h"
- #include "fmod.h"
- class LLAudioStreamManagerFMOD;
- class LLAudioEngine_FMOD : public LLAudioEngine
- {
- public:
- LLAudioEngine_FMOD();
- virtual ~LLAudioEngine_FMOD();
- // 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*/ void initWind();
- /*virtual*/ void cleanupWind();
- /*virtual*/void updateWind(LLVector3 direction, F32 camera_height_above_water);
- #if LL_DARWIN
- typedef S32 MIXBUFFERFORMAT;
- #else
- typedef S16 MIXBUFFERFORMAT;
- #endif
- 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);
- protected:
- static signed char F_CALLBACKAPI callbackMetaData(char* name, char* value, void* userdata);
- //F32 mMinDistance[MAX_BUFFERS];
- //F32 mMaxDistance[MAX_BUFFERS];
- bool mInited;
- // On Windows, userdata is the HWND of the application window.
- void* mUserData;
- LLWindGen<MIXBUFFERFORMAT> *mWindGen;
- };
- class LLAudioChannelFMOD : public LLAudioChannel
- {
- public:
- LLAudioChannelFMOD();
- virtual ~LLAudioChannelFMOD();
- protected:
- /*virtual*/ void play();
- /*virtual*/ void playSynced(LLAudioChannel *channelp);
- /*virtual*/ void cleanup();
- /*virtual*/ bool isPlaying();
- /*virtual*/ bool updateBuffer();
- /*virtual*/ void update3DPosition();
- /*virtual*/ void updateLoop();
- protected:
- int mChannelID;
- S32 mLastSamplePos;
- };
- class LLAudioBufferFMOD : public LLAudioBuffer
- {
- public:
- LLAudioBufferFMOD();
- virtual ~LLAudioBufferFMOD();
- /*virtual*/ bool loadWAV(const std::string& filename);
- /*virtual*/ U32 getLength();
- friend class LLAudioChannelFMOD;
- void set3DMode(bool use3d);
- protected:
- FSOUND_SAMPLE *getSample() { return mSamplep; }
- protected:
- FSOUND_SAMPLE *mSamplep;
- };
- #endif // LL_AUDIOENGINE_FMOD_H