/*
 *  mmstream.h  Multimedia streaming interfaces
 *
 * =========================================================================
 *
 *                          Open Watcom Project
 *
 * Copyright (c) 2004-2026 The Open Watcom Contributors. All Rights Reserved.
 *
 *    This file is automatically generated. Do not edit directly.
 *
 * =========================================================================
 */

#include <rpc.h>
#include <rpcndr.h>
#ifndef COM_NO_WINDOWS_H
    #include <windows.h>
    #include <ole2.h>
#endif

#ifndef __mmstream_h__
#define __mmstream_h__

#ifndef _ENABLE_AUTODEPEND
 #pragma read_only_file
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Forward declarations */
typedef interface IMediaStream  IMediaStream;
typedef interface IStreamSample IStreamSample;

/* Stream time data type */
typedef LONGLONG    STREAM_TIME;

/* Media stream identifier data type */
typedef GUID    MSPID;
typedef REFGUID REFMSPID;

/* Macros to manipulate multimedia streaming error codes */
#define MS_ERROR_CODE( x )      MAKE_HRESULT( 1, FACILITY_ITF, (x) + 0x0400 )
#define MS_SUCCESS_CODE( x )    MAKE_HRESULT( 0, FACILITY_ITF, x )

/* Multimedia streaming success codes */
#define MS_S_PENDING        MS_SUCCESS_CODE( 1 )
#define MS_S_NOUPDATE       MS_SUCCESS_CODE( 2 )
#define MS_S_ENDOFSTREAM    MS_SUCCESS_CODE( 3 )

/* Multimedia streaming error codes */
#define MS_E_SAMPLEALLOC            MS_ERROR_CODE( 1 )
#define MS_E_PURPOSEID              MS_ERROR_CODE( 2 )
#define MS_E_NOSTREAM               MS_ERROR_CODE( 3 )
#define MS_E_NOSEEKING              MS_ERROR_CODE( 4 )
#define MS_E_INCOMPATIBLE           MS_ERROR_CODE( 5 )
#define MS_E_BUSY                   MS_ERROR_CODE( 6 )
#define MS_E_NOTINIT                MS_ERROR_CODE( 7 )
#define MS_E_SOURCEALREADYDEFINED   MS_ERROR_CODE( 8 )
#define MS_E_INVALIDSTREAMTYPE      MS_ERROR_CODE( 9 )
#define MS_E_NOTRUNNING             MS_ERROR_CODE( 10 )

/* Stream types */
typedef enum {
    STREAMTYPE_READ         = 0,
    STREAMTYPE_WRITE        = 1,
    STREAMTYPE_TRANSFORM    = 2
} STREAM_TYPE;

/* Stream states */
typedef enum {
    STREAMSTATE_STOP    = 0,
    STREAMSTATE_RUN     = 1
} STREAM_STATE;

/* Completion status flags */
typedef enum {
    COMPSTAT_NOUPDATEOK = 0x00000001,
    COMPSTAT_WAIT       = 0x00000002,
    COMPSTAT_ABORT      = 0x00000004
} COMPLETION_STATUS_FLAGS;

/* GetInformation() flags */
enum {
    MMSSF_HASCLOCK      = 0x00000001,
    MMSSF_SUPPORTSEEK   = 0x00000002,
    MMSSF_ASYNCHRONOUS  = 0x00000004
};

/* Update() flags */
enum {
    SSUPDATE_ASYNC      = 0x00000001,
    SSUPDATE_CONTINUOUS = 0x00000002
};

/* Asynchronous procedure call function */
#if (_WIN32_WINNT < 0x0400)
typedef void (__stdcall *PAPCFUNC)( DWORD_PTR );
#endif

/* IMultiMediaStream interface */
#undef INTERFACE
#define INTERFACE   IMultiMediaStream
DECLARE_INTERFACE_( IMultiMediaStream, IUnknown ) {
    /* IUnknown methods */
    STDMETHOD( QueryInterface )( THIS_ REFIID, void ** ) PURE;
    STDMETHOD_( ULONG, AddRef )( THIS ) PURE;
    STDMETHOD_( ULONG, Release )( THIS ) PURE;

    /* IMultiMediaStream interface */
    STDMETHOD( GetInformation )( THIS_ DWORD *, STREAM_TYPE * ) PURE;
    STDMETHOD( GetMediaStream )( THIS_ REFMSPID, IMediaStream ** ) PURE;
    STDMETHOD( EnumMediaStream )( THIS_ long, IMediaStream ** ) PURE;
    STDMETHOD( GetState )( THIS_ STREAM_STATE * ) PURE;
    STDMETHOD( SetState )( THIS_ STREAM_STATE ) PURE;
    STDMETHOD( GetTime )( THIS_ STREAM_TIME * ) PURE;
    STDMETHOD( GetDuration )( THIS_ STREAM_TIME * ) PURE;
    STDMETHOD( Seek )( THIS_ STREAM_TIME ) PURE;
    STDMETHOD( GetEndOfStreamEventHandle )( THIS_ HANDLE * ) PURE;
};

/* IMediaStream interface */
#undef INTERFACE
#define INTERFACE   IMediaStream
DECLARE_INTERFACE_( IMediaStream, IUnknown ) {
    /* IUnknown methods */
    STDMETHOD( QueryInterface )( THIS_ REFIID, void ** ) PURE;
    STDMETHOD_( ULONG, AddRef )( THIS ) PURE;
    STDMETHOD_( ULONG, Release )( THIS ) PURE;

    /* IMediaStream methods */
    STDMETHOD( GetMultiMediaStream )( THIS_ IMultiMediaStream ** ) PURE;
    STDMETHOD( GetInformation )( THIS_ MSPID *, STREAM_TYPE * ) PURE;
    STDMETHOD( SetSameFormat )( THIS_ IMediaStream *, DWORD ) PURE;
    STDMETHOD( AllocateSample )( THIS_ DWORD, IStreamSample ** ) PURE;
    STDMETHOD( CreateSharedSample )( THIS_ IStreamSample *, DWORD, IStreamSample ** ) PURE;
    STDMETHOD( SendEndOfStream )( THIS_ DWORD ) PURE;
};

/* IStreamSample interface */
#undef INTERFACE
#define INTERFACE   IStreamSample
DECLARE_INTERFACE_( IStreamSample, IUnknown ) {
    /* IUnknown methods */
    STDMETHOD( QueryInterface )( THIS_ REFIID, void ** ) PURE;
    STDMETHOD_( ULONG, AddRef )( THIS ) PURE;
    STDMETHOD_( ULONG, Release )( THIS ) PURE;

    /* IStreamSample methods */
    STDMETHOD( GetMediaStream )( THIS_ IMediaStream ** ) PURE;
    STDMETHOD( GetSampleTimes )( THIS_ STREAM_TIME *, STREAM_TIME *, STREAM_TIME * ) PURE;
    STDMETHOD( SetSampleTimes )( THIS_ const STREAM_TIME *, const STREAM_TIME * ) PURE;
    STDMETHOD( Update )( THIS_ DWORD, HANDLE, PAPCFUNC, DWORD_PTR ) PURE;
    STDMETHOD( CompletionStatus )( DWORD, DWORD ) PURE;
};

/* C object macros */
#if (!defined( __cplusplus ) || defined( CINTERFACE )) && defined( COBJMACROS )
    #define IMultiMediaStream_QueryInterface( x, p1, p2 ) \
        (x)->lpVtbl->QueryInterface( x, p1, p2 )
    #define IMultiMediaStream_AddRef( x ) \
        (x)->lpVtbl->AddRef( x )
    #define IMultiMediaStream_Release( x ) \
        (x)->lpVtbl->Release( x )
    #define IMultiMediaStream_GetInformation( x, p1, p2 ) \
        (x)->lpVtbl->GetInformation( x, p1, p2 )
    #define IMultiMediaStream_GetMediaStream( x, p1, p2 ) \
        (x)->lpVtbl->GetMediaStream( x, p1, p2 )
    #define IMultiMediaStream_EnumMediaStream( x, p1, p2 ) \
        (x)->lpVtbl->EnumMediaStream( x, p1, p2 )
    #define IMultiMediaStream_GetState( x, p ) \
        (x)->lpVtbl->GetState( x, p )
    #define IMultiMediaStream_SetState( x, p ) \
        (x)->lpVtbl->SetState( x, p )
    #define IMultiMediaStream_GetTime( x, p ) \
        (x)->lpVtbl->GetTime( x, p )
    #define IMultiMediaStream_GetDuration( x, p ) \
        (x)->lpVtbl->GetDuration( x, p )
    #define IMultiMediaStream_Seek( x, p ) \
        (x)->lpVtbl->Seek( x, p )
    #define IMultiMediaStream_GetEndOfStreamEventHandle( x, p ) \
        (x)->lpVtbl->GetEndOfStreamEventHandle( x, p )
    #define IMediaStream_QueryInterface( x, p1, p2 ) \
        (x)->lpVtbl->QueryInterface( x, p1, p2 )
    #define IMediaStream_AddRef( x ) \
        (x)->lpVtbl->AddRef( x )
    #define IMediaStream_Release( x ) \
        (x)->lpVtbl->Release( x )
    #define IMediaStream_GetMultiMediaStream( x, p ) \
        (x)->lpVtbl->GetMultiMediaStream( x, p )
    #define IMediaStream_GetInformation( x, p1, p2 ) \
        (x)->lpVtbl->GetInformation( x, p1, p2 )
    #define IMediaStream_SetSameFormat( x, p1, p2 ) \
        (x)->lpVtbl->SetSameFormat( x, p1, p2 )
    #define IMediaStream_AllocateSample( x, p1, p2 ) \
        (x)->lpVtbl->AllocateSample( x, p1, p2 )
    #define IMediaStream_CreateSharedSample( x, p1, p2, p3 ) \
        (x)->lpVtbl->CreateSharedSample( x, p1, p2, p3 )
    #define IMediaStream_SendEndOfStream( x, p ) \
        (x)->lpVtbl->SendEndOfStream( x, p )
    #define IStreamSample_QueryInterface( x, p1, p2 ) \
        (x)->lpVtbl->QueryInterface( x, p1, p2 )
    #define IStreamSample_AddRef( x ) \
        (x)->lpVtbl->AddRef( x )
    #define IStreamSample_Release( x ) \
        (x)->lpVtbl->Release( x )
    #define IStreamSample_GetMediaStream( x, p ) \
        (x)->lpVtbl->GetMediaStream( x, p )
    #define IStreamSample_GetSampleTimes( x, p1, p2, p3 ) \
        (x)->lpVtbl->GetSampleTimes( x, p1, p2, p3 )
    #define IStreamSample_SetSampleTimes( x, p1, p2 ) \
        (x)->lpVtbl->SetSampleTimes( x, p1, p2 ) \
    #define IStreamSample_Update( x, p1, p2, p3, p4 ) \
        (x)->lpVtbl->Update( x, p1, p2, p3, p4 )
    #define IStreamSample_CompletionStatus( x, p1, p2 ) \
        (x)->lpVtbl->CompletionStatus( x, p1, p2 )
#endif

#ifdef __cplusplus
} /* extern "C" */
#endif

/* GUIDs */
EXTERN_C const IID  __cdecl IID_IMultiMediaStream;
EXTERN_C const IID  __cdecl IID_IMediaStream;
EXTERN_C const IID  __cdecl IID_IStreamSample;

#endif /* __mmstream_h__ */
