/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#ifndef plWavFile_H
#define plWavFile_H

#define WAVEFILE_READ   1
#define WAVEFILE_WRITE  2

#include "hsTypes.h"
#include "hsWindows.h"
#include "hsStlUtils.h"
#include <mmsystem.h>
#include "../plAudioCore/plAudioFileReader.h"


struct plSoundMarker
{
	char *fName;
	double fOffset; // in Secs

	plSoundMarker () { fName = NULL;fOffset = 0.0; }

};


//-----------------------------------------------------------------------------
// Name: class CWaveFile
// Desc: Encapsulates reading or writing sound data to or from a wave file
//-----------------------------------------------------------------------------



class CWaveFile : public plAudioFileReader
{
public:
    CWaveFile();
    ~CWaveFile();

    HRESULT Open(const char *strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags );
    HRESULT OpenFromMemory( BYTE* pbData, ULONG ulDataSize, WAVEFORMATEX* pwfx, DWORD dwFlags );

    HRESULT Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
    HRESULT AdvanceWithoutRead( DWORD dwSizeToRead, DWORD* pdwSizeRead );
    HRESULT Write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );

    DWORD   GetSize();
    HRESULT ResetFile();
    WAVEFORMATEX* GetFormat() { return m_pwfx; };

	DWORD GetNumMarkers() { return fMarkers.size() ; };
	plSoundMarker *GetSoundMarker(int i) { return fMarkers[i]; }


	// Overloads for plAudioFileReader
	CWaveFile( const char *path, plAudioCore::ChannelSelect whichChan );
	virtual hsBool	OpenForWriting( const char *path, plWAVHeader &header );
	virtual plWAVHeader	&GetHeader( void );
	virtual void	Close( void );
	virtual UInt32	GetDataSize( void );
	virtual float	GetLengthInSecs( void );

	virtual hsBool	SetPosition( UInt32 numBytes );
	virtual hsBool	Read( UInt32 numBytes, void *buffer );
	virtual UInt32	NumBytesLeft( void );
	virtual UInt32	Write( UInt32 bytes, void *buffer );

	virtual hsBool	IsValid( void );
    WAVEFORMATEX* m_pwfx;        // Pointer to WAVEFORMATEX structure
    HMMIO         m_hmmio;       // MM I/O handle for the WAVE
    MMCKINFO      m_ck;          // Multimedia RIFF chunk
    MMCKINFO      m_ckRiff;      // Use in opening a WAVE file
    DWORD         m_dwSize;      // The size of the wave file
    MMIOINFO      m_mmioinfoOut;
    DWORD         m_dwFlags;
    BOOL          m_bIsReadingFromMemory;
    BYTE*         m_pbData;
    BYTE*         m_pbDataCur;
    ULONG         m_ulDataSize;
	
	plWAVHeader		fHeader;

	std::vector<plSoundMarker*>	 fMarkers;
	double		fSecsPerSample;

protected:
    HRESULT ReadMMIO();
    HRESULT WriteMMIO( WAVEFORMATEX *pwfxDest );
    HRESULT IClose();
};

#endif // plWavFile_H