/** * @file streamingaudio.h * @author Tofu Linden * @brief Definition of LLStreamingAudioInterface base class abstracting the streaming audio interface * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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_STREAMINGAUDIO_H #define LL_STREAMINGAUDIO_H #include "stdtypes.h" // from llcommon // Entirely abstract. Based exactly on the historic API. class LLStreamingAudioInterface { public: virtual ~LLStreamingAudioInterface() {} virtual void start(const std::string& url) = 0; virtual void stop() = 0; virtual void pause(int pause) = 0; virtual void update() = 0; virtual int isPlaying() = 0; // use a value from 0.0 to 1.0, inclusive virtual void setGain(F32 vol) = 0; virtual F32 getGain() = 0; virtual std::string getURL() = 0; virtual bool supportsAdjustableBufferSizes(){return false;} virtual void setBufferSizes(U32 streambuffertime, U32 decodebuffertime){}; }; #endif // LL_STREAMINGAUDIO_H