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/**
* @file llvieweraudio.h
* @brief Audio functions that used to be in viewer.cpp
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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_VIEWERAUDIO_H
#define LL_VIEWERAUDIO_H
#include "llframetimer.h"
#include "llsingleton.h"
// comment out to turn off wind
#define kAUDIO_ENABLE_WIND
//#define kAUDIO_ENABLE_WATER 1 // comment out to turn off water
#define kAUDIO_NUM_BUFFERS 30
#define kAUDIO_NUM_SOURCES 30
void init_audio();
void audio_update_volume(bool force_update = true);
void audio_update_listener();
void audio_update_wind(bool force_update = true);
class LLViewerAudio : public LLSingleton<LLViewerAudio>
{
LLSINGLETON(LLViewerAudio);
virtual ~LLViewerAudio();
public:
enum EFadeState
{
FADE_IDLE,
FADE_IN,
FADE_OUT,
};
void startInternetStreamWithAutoFade(const std::string &streamURI);
void stopInternetStreamWithAutoFade();
bool onIdleUpdate();
EFadeState getFadeState() { return mFadeState; }
bool isDone() { return mDone; };
F32 getFadeVolume();
bool getForcedTeleportFade() { return mForcedTeleportFade; };
void setForcedTeleportFade(bool fade) { mForcedTeleportFade = fade;} ;
std::string getNextStreamURI() { return mNextStreamURI; };
void setNextStreamURI(const std::string &stream) { mNextStreamURI = stream; } ;
void setWasPlaying(bool playing) { mWasPlaying = playing;} ;
private:
bool mDone;
F32 mFadeTime;
std::string mNextStreamURI;
EFadeState mFadeState;
LLFrameTimer stream_fade_timer;
bool mIdleListnerActive;
bool mForcedTeleportFade;
bool mWasPlaying;
boost::signals2::connection mTeleportFailedConnection;
boost::signals2::connection mTeleportFinishedConnection;
boost::signals2::connection mTeleportStartedConnection;
void registerIdleListener();
void deregisterIdleListener() { mIdleListnerActive = false; };
void startFading();
void onTeleportFailed();
void onTeleportFinished(const LLVector3d& pos, const bool& local);
void onTeleportStarted();
};
#endif //LL_VIEWER_H
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