/** * @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> { public: enum EFadeState { FADE_IDLE, FADE_IN, FADE_OUT, }; LLViewerAudio(); virtual ~LLViewerAudio(); void startInternetStreamWithAutoFade(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;} ; void setNextStreamURI(std::string stream) { mNextStreamURI = stream; } ; private: bool mDone; F32 mFadeTime; std::string mNextStreamURI; EFadeState mFadeState; LLFrameTimer stream_fade_timer; bool mIdleListnerActive; bool mForcedTeleportFade; boost::signals2::connection mTeleportFailedConnection; void registerIdleListener(); void deregisterIdleListener() { mIdleListnerActive = false; }; void startFading(); void onTeleportFailed(); }; #endif //LL_VIEWER_H