//====== Copyright © 1996-2005, Valve Corporation, All rights reserved. =======
//
// The copyright to the contents herein is the property of Valve, L.L.C.
// The contents may be used and/or copied only with the written permission of
// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
// the agreement/contract under which the contents have been supplied.
//
//=============================================================================

#ifndef IBIK_H
#define IBIK_H

#ifdef _WIN32
#pragma once
#endif

#include "appframework/IAppSystem.h"

//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
struct BGR888_t;
class IMaterial;

//-----------------------------------------------------------------------------
// Parameters for creating a new BINK
//-----------------------------------------------------------------------------
struct BIKParams_t
{
    BIKParams_t() :
        m_nFrameRate( 0 ), m_nFrameScale( 1 ), m_nWidth( 0 ), m_nHeight( 0 ),
        m_nSampleRate( 0 ), m_nSampleBits( 0 ), m_nNumChannels( 0 )
    {
        m_pFileName[ 0 ] = 0;
    }

    char        m_pFileName[ 256 ];
    char        m_pPathID[ 256 ];

    // fps = m_nFrameRate / m_nFrameScale
    // for integer framerates, set framerate to the fps, and framescale to 1
    // for ntsc-style framerates like 29.97 (or 23.976 or 59.94),
    // set framerate to 30,000 (or 24,000 or 60,000) and framescale to 1001
    // yes, framescale is an odd naming choice, but it matching MS's AVI api
    int         m_nFrameRate;
    int         m_nFrameScale;

    int         m_nWidth;
    int         m_nHeight;

    // Sound/.wav info
    int         m_nSampleRate;
    int         m_nSampleBits;
    int         m_nNumChannels;
};

//-----------------------------------------------------------------------------
// Handle to an BINK
//-----------------------------------------------------------------------------
typedef unsigned short BIKHandle_t;
enum
{
    BIKHANDLE_INVALID = (BIKHandle_t)~0
};


//-----------------------------------------------------------------------------
// Handle to an BINK material
//-----------------------------------------------------------------------------
typedef unsigned short BIKMaterial_t;
enum
{
    BIKMATERIAL_INVALID = (BIKMaterial_t)~0
};


//-----------------------------------------------------------------------------
// Main AVI interface
//-----------------------------------------------------------------------------
#define BIK_INTERFACE_VERSION "VBik001"

class IBik : public IAppSystem
{
public:
    // Create/destroy a BINK material (a materialsystem IMaterial)
    virtual BIKMaterial_t CreateMaterial( const char *pMaterialName, const char *pFileName, const char *pPathID ) = 0;
    virtual void DestroyMaterial( BIKMaterial_t hMaterial ) = 0;

    // Update the frame (if necessary)
    virtual bool Update( BIKMaterial_t hMaterial ) = 0;

    // Gets the IMaterial associated with an BINK material
    virtual IMaterial* GetMaterial( BIKMaterial_t hMaterial ) = 0;

    // Returns the max texture coordinate of the BINK
    virtual void GetTexCoordRange( BIKMaterial_t hMaterial, float *pMaxU, float *pMaxV ) = 0;

    // Returns the frame size of the BINK (stored in a subrect of the material itself)
    virtual void GetFrameSize( BIKMaterial_t hMaterial, int *pWidth, int *pHeight ) = 0;

    // Returns the frame rate of the BINK
    virtual int GetFrameRate( BIKMaterial_t hMaterial ) = 0;

    // Returns the total frame count of the BINK
    virtual int GetFrameCount( BIKMaterial_t hMaterial ) = 0;

    // Sets the frame for an BINK material (use instead of SetTime)
    virtual void SetFrame( BIKMaterial_t hMaterial, float flFrame ) = 0;

#if !defined( _X360 )
    // Sets the direct sound device that Bink will decode to
    virtual bool SetDirectSoundDevice( void *pDevice ) = 0;
#else
    //needs to be called after xaudio is initialized
    virtual bool HookXAudio( void ) = 0;
#endif
};



#endif // IBIK_H