---

deOGG.hpp

Go to the documentation of this file.

///////////////////////////////////////////////////////////////////////////////
/// @file deOGG.hpp
///
/// @brief Destiny Sound System OGG Bit Stream
///
/// @author paradoxnj
///
/// This file is the intellectual property of Novus Delta, LLC.. Usage of the
/// contents of this file is subject to the Destiny3D Member License which
/// can be found at http://www.destiny3d.com.  Any other usage is prohibited.
///
/// This file is distributed "AS IS" without warranty of any kind.  Novus
/// Delta, LLC. does not guarantee the fitness of the contents of this file
/// for any particular purpose.
///
/// Copyright (C) 2001-2003 Novus Delta, LLC. All Rights Reserved.
///
/// <hr>
///                                 Change History
/// <hr>
///
/// @date Jan 2002
/// @author paradoxnj
/// @remarks Creation
///
///////////////////////////////////////////////////////////////////////////////

#ifndef DEOGG_HPP
#define DEOGG_HPP

//Destiny Includes
#include "deSound_priv.hpp"

//Vorbis SDK Includes
#include "ogg/ogg.h"
#include "vorbis/codec.h"

//Forward Class Declaration
class deOGG;
class IdeFile;
class IdeFSReal;

//Class Declaration
class deOGG : public deSoundData
{
public:
    deOGG();
    deOGG(char *filename);
    virtual ~deOGG();

private:
    WAVEFORMATEX            m_Format;           //Buffer format from OGG Bit Stream
    IdeFile                 *m_pSource;         //The file to stream from
    IdeFSReal               *m_pSourceSystem;   //The file system to stream from
    
    ogg_sync_state          m_oy;               //Sync and verify incoming bitstream
    ogg_stream_state        m_os;               //Take physical pages and weld into a logical stream of packets
    ogg_page                m_og;               //One OGG Bitstream page.  Vorbis packets are inside
    ogg_packet              m_op;               //One raw packet of data for decode

    vorbis_info             m_vi;               //Struct for all the static Vorbis bitstream settings
    vorbis_comment          m_vc;               //Struct for all the bitstream user comments
    vorbis_dsp_state        m_vs;               //Central working state for the packet->PCM decoder
    vorbis_block            m_vb;               //Local working space for the packet->PCM decoder

    DWORD                   m_BufferSize;       //The size of the buffer
    DWORD                   m_CurrWritePos;     //The current write position of the buffer;
    DWORD                   m_FillLength;       //The length of the data that fills the buffer
    DWORD                   m_FillPos;          //The position to copy data to in the buffer
    DWORD                   m_SecureDistance;   //A safe distance for the next data stream packet
    DWORD                   m_EmptyPos;         //The end of the data stream

    int                     m_InterfaceType;
    int                     m_RefCount;

public:
    void                    *GetInterface(int interface_id);

    deBoolean               Initialize(const char *filename);
    void                    Destroy();

    int                     GetDataChunk(void *ptr, long size, s32 DataOffset);
    uint8                   *GetAllData();

    deBoolean               AtEndOfStream();
    void                    SetPosition(long NewPos);

    void                    GetFormat(WAVEFORMATEX *format);
    u32                     GetLength();

    IdeResourceBase         *MakeCopy();

    int                     GetType()           {   return m_InterfaceType;     }
};

#endif

---