//*@@@+++@@@@******************************************************************
//
// Microsoft Windows Media
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//*@@@---@@@@******************************************************************
//
cpp_quote( "//=========================================================================" )
cpp_quote( "//" )
cpp_quote( "// Microsoft Windows Media Technologies" )
cpp_quote( "// Copyright (C) Microsoft Corporation.  All Rights Reserved." )
cpp_quote( "//" )
cpp_quote( "//=========================================================================" )

cpp_quote("#if _MSC_VER > 1000")
cpp_quote("#pragma once")
cpp_quote("#endif // _MSC_VER > 1000")

import "objidl.idl";

cpp_quote( "EXTERN_GUID( IID_INSSBuffer, 0xE1CD3524,0x03D7,0x11d2,0x9E,0xED,0x00,0x60,0x97,0xD2,0xD7,0xCF );" )
cpp_quote( "EXTERN_GUID( IID_IWMSBuffer, 0xE1CD3524,0x03D7,0x11d2,0x9E,0xED,0x00,0x60,0x97,0xD2,0xD7,0xCF );" )
cpp_quote( "EXTERN_GUID( IID_INSSBuffer2,0x4f528693,0x1035,0x43fe,0xb4,0x28,0x75,0x75,0x61,0xad,0x3a,0x68 );" )
cpp_quote( "EXTERN_GUID( IID_INSSBuffer3,0xc87ceaaf,0x75be,0x4bc4,0x84,0xeb,0xac,0x27,0x98,0x50,0x76,0x72 );" )
cpp_quote( "EXTERN_GUID( IID_INSSBuffer4,0xb6b8fd5a,0x32e2,0x49d4,0xa9,0x10,0xc2,0x6c,0xc8,0x54,0x65,0xed );" )
cpp_quote( "EXTERN_GUID( IID_IWMSBufferAllocator, 0x61103CA4,0x2033,0x11d2,0x9E,0xF1,0x00,0x60,0x97,0xD2,0xD7,0xCF );" )


//////////////////////////////////////////////////////////////////////////////

cpp_quote( "#define IWMSBuffer INSSBuffer" )

interface IWMSBuffer;

//////////////////////////////////////////////////////////////////////////////
[
    local,
    object,
    pointer_default(unique),
    uuid(E1CD3524-03D7-11d2-9EED-006097D2D7CF),
    version(1.0),
]
interface INSSBuffer : IUnknown
{
    HRESULT GetLength( [out] DWORD *pdwLength );
    HRESULT SetLength( [in] DWORD dwLength );

    HRESULT GetMaxLength( [out] DWORD *pdwLength );

    HRESULT GetBuffer( [out] BYTE **ppdwBuffer );

    HRESULT GetBufferAndLength( [out] BYTE **ppdwBuffer, [out] DWORD *pdwLength );
};

//////////////////////////////////////////////////////////////////////////////
[
    local,
    object,
    pointer_default(unique),
    uuid(4F528693-1035-43fe-B428-757561AD3A68),
    version(1.0),
]
interface INSSBuffer2 : INSSBuffer
{
        HRESULT GetSampleProperties( [in] DWORD cbProperties, [out] BYTE *pbProperties );

        HRESULT SetSampleProperties( [in] DWORD cbProperties, [in] BYTE *pbProperties );
};



//////////////////////////////////////////////////////////////////////////////
[
    local,
    object,
    pointer_default(unique),
    uuid(C87CEAAF-75BE-4bc4-84EB-AC2798507672),
    version(1.0),
]
interface INSSBuffer3 : INSSBuffer2
{
    HRESULT SetProperty(
                        [in]    GUID                guidBufferProperty,
                        [in]    void                *pvBufferProperty,
                        [in]    DWORD               dwBufferPropertySize );

    HRESULT GetProperty(
                        [in]    GUID                guidBufferProperty,
                        [out]   void                *pvBufferProperty,
                        [in,out]DWORD               *pdwBufferPropertySize );
};

//////////////////////////////////////////////////////////////////////////////
[
    local,
    object,
    pointer_default(unique),
    uuid(B6B8FD5A-32E2-49d4-A910-C26CC85465ED),
    version(1.0),
]
interface INSSBuffer4 : INSSBuffer3
{
    HRESULT GetPropertyCount(
                        [out]   DWORD               *pcBufferProperties );

    HRESULT GetPropertyByIndex(
                        [in]    DWORD               dwBufferPropertyIndex,
                        [out]   GUID                *pguidBufferProperty,
                        [out]   void                *pvBufferProperty,
                        [in,out]DWORD               *pdwBufferPropertySize );
};


//////////////////////////////////////////////////////////////////////////////
[
    local,
    object,
    pointer_default(unique),
    uuid(61103CA4-2033-11d2-9EF1-006097D2D7CF),
    version(1.0),
]
interface IWMSBufferAllocator : IUnknown
{
    HRESULT AllocateBuffer(
                [in] DWORD dwMaxBufferSize,
                [out] INSSBuffer **ppBuffer
                );
    HRESULT AllocatePageSizeBuffer(
                [in] DWORD dwMaxBufferSize,
                [out] INSSBuffer **ppBuffer
                );
};