/**
* @file streamingaudio_fmodstudio.h
* @brief Definition of LLStreamingAudio_FMODSTUDIO implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_STREAMINGAUDIO_FMODSTUDIO_H
#define LL_STREAMINGAUDIO_FMODSTUDIO_H

#include "stdtypes.h" // from llcommon

#include "llstreamingaudio.h"
#include "lltimer.h"

//Stubs
class LLAudioStreamManagerFMODSTUDIO;
namespace FMOD
{
	class System;
	class Channel;
	class ChannelGroup;
	class DSP;
}

//Interfaces
class LLStreamingAudio_FMODSTUDIO : public LLStreamingAudioInterface
{
public:
	LLStreamingAudio_FMODSTUDIO(FMOD::System *system);
	/*virtual*/ ~LLStreamingAudio_FMODSTUDIO();

	/*virtual*/ void start(const std::string& url) final override;
	/*virtual*/ void stop() final override;
	/*virtual*/ void pause(S32 pause) final override;
	/*virtual*/ void update() final override;
	/*virtual*/ S32 isPlaying() final override;
	/*virtual*/ void setGain(F32 vol) final override;
	/*virtual*/ F32 getGain() final override;
	/*virtual*/ std::string getURL() final override;

	/*virtual*/ bool supportsAdjustableBufferSizes() final override { return true; }
	/*virtual*/ void setBufferSizes(U32 streambuffertime, U32 decodebuffertime) final override;

	/*virtual*/ bool supportsMetaData() final override { return true; }
	/*virtual*/ const LLSD *getMetaData() final override { return mMetaData; }	//return NULL if not playing.
	/*virtual*/ const bool hasNewMetaData() final override;
	/*virtual*/ bool supportsWaveData() final override { return true; }
	//BD - We don't have C++11 yet.
	/*virtual*/// bool getWaveData(float* arr, S32 count, S32 stride = 1) final override;
private:
	bool releaseDeadStreams();
	void cleanupWaveData();

	FMOD::System *mSystem;

	LLAudioStreamManagerFMODSTUDIO *mCurrentInternetStreamp;
	FMOD::DSP* mStreamDSP;
	FMOD::ChannelGroup* mStreamGroup;
	FMOD::Channel *mFMODInternetStreamChannelp;
	std::list<LLAudioStreamManagerFMODSTUDIO *> mDeadStreams;

	std::string mURL;
	std::string mPendingURL;
	F32 mGain;

	LLSD *mMetaData;
	bool mNewMetadata;
};


#endif // LL_STREAMINGAUDIO_FMODSTUDIO_H