61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/**
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* @file streamingaudio.h
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* @author Tofu Linden
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* @brief Definition of LLStreamingAudioInterface base class abstracting the streaming audio interface
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_STREAMINGAUDIO_H
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#define LL_STREAMINGAUDIO_H
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#include "stdtypes.h" // from llcommon
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class LLSD;
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// Entirely abstract. Based exactly on the historic API.
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class LLStreamingAudioInterface
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{
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public:
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virtual ~LLStreamingAudioInterface() {}
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virtual void start(const std::string& url) = 0;
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virtual void stop() = 0;
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virtual void pause(int pause) = 0;
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virtual void update() = 0;
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virtual int isPlaying() = 0;
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// use a value from 0.0 to 1.0, inclusive
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virtual void setGain(F32 vol) = 0;
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virtual F32 getGain() = 0;
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virtual std::string getURL() = 0;
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virtual bool supportsMetaData() = 0;
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virtual const LLSD *getMetaData() = 0;
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virtual bool supportsWaveData() = 0;
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virtual bool getWaveData(float* arr, S32 count, S32 stride = 1) = 0;
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virtual bool supportsAdjustableBufferSizes(){return false;}
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virtual void setBufferSizes(U32 streambuffertime, U32 decodebuffertime){};
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};
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#endif // LL_STREAMINGAUDIO_H
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