/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// Module Name:
//
//      Mpeg2PsiParser.idl
//
// Abstract:
//
//      Interface definitions for the MPEG-2 PSI parsing functionality
//
// Notes:
//
//      This IDL file is not built independently, but is included and built
//      in the master IDL file DTVParse.idl
//
/////////////////////////////////////////////////////////////////////////////

import "oaidl.idl";
import "ocidl.idl";
import "wtypes.idl";
import "mpeg2structs.idl";
import "mpeg2data.idl";

    // Forward interface declarations
interface ISectionList;
interface IMpeg2Data;



    ////////////////////////////////////
    //
    // IGenericDescriptor Interface
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(6A5918F8-A77A-4f61-AED0-5702BDCDA3E6),    
        pointer_default(unique)
    ]
    interface IGenericDescriptor : IUnknown
    {
        HRESULT Initialize([in]  BYTE * pbDesc,
                           [in]  INT   bCount);

        HRESULT GetTag([out] BYTE * pbVal);

        HRESULT GetLength([out] BYTE * pbVal);

        HRESULT GetBody([out] BYTE ** ppbVal);
    };


    ////////////////////////////////////
    //
    // IGenericDescriptor2 Interface mainly for PBDA with 16-bit descriptor length
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(BF02FB7E-9792-4e10-A68D-033A2CC246A5),    
        pointer_default(unique)
    ]
    interface IGenericDescriptor2 : IGenericDescriptor
    {
        HRESULT Initialize([in]  BYTE * pbDesc,
                           [in]  WORD wCount);

        HRESULT GetLength([out] WORD * pwVal);

    };

    ////////////////////////////////////
    //
    // IPAT Interface
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(6623B511-4B5F-43c3-9A01-E8FF84188060),    
        pointer_default(unique)
    ]
    interface IPAT : IUnknown
    {
        typedef struct
        {
            WORD    wProgramNumber;
            WORD    wProgramMapPID;
        } ProgramElement;

        HRESULT Initialize([in]  ISectionList * pSectionList,
                           [in]  IMpeg2Data *   pMPEGData);

        HRESULT GetTransportStreamId([out] WORD * pwVal);

        HRESULT GetVersionNumber([out] BYTE * pbVal);

        HRESULT GetCountOfRecords([out] DWORD * pdwVal);

        HRESULT GetRecordProgramNumber([in]  DWORD  dwIndex,
                                       [out] WORD * pwVal);

        HRESULT GetRecordProgramMapPid([in]  DWORD  dwIndex,
                                       [out] WORD * pwVal);

        HRESULT FindRecordProgramMapPid([in]  WORD   wProgramNumber,
                                        [out] WORD * pwVal);

        HRESULT RegisterForNextTable([in]  HANDLE hNextTableAvailable);

        HRESULT GetNextTable([out] IPAT ** ppPAT);

        HRESULT RegisterForWhenCurrent([in]  HANDLE hNextTableIsCurrent);

        HRESULT ConvertNextToCurrent(void);
    };



    ////////////////////////////////////
    //
    // ICAT Interface
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(7C6995FB-2A31-4bd7-953E-B1AD7FB7D31C),
        pointer_default(unique)
    ]
    interface ICAT : IUnknown
    {
        HRESULT Initialize([in]  ISectionList * pSectionList,
                           [in]  IMpeg2Data *   pMPEGData);

        HRESULT GetVersionNumber([out] BYTE * pbVal);

        HRESULT GetCountOfTableDescriptors([out] DWORD * pdwVal);

        HRESULT GetTableDescriptorByIndex([in]  DWORD                 dwIndex,
                                          [out] IGenericDescriptor ** ppDescriptor);

        HRESULT GetTableDescriptorByTag([in]      BYTE                  bTag,
                                        [in, out] DWORD *               pdwCookie, // OPTIONAL
                                        [out]     IGenericDescriptor ** ppDescriptor);

        HRESULT RegisterForNextTable([in]  HANDLE hNextTableAvailable);

        HRESULT GetNextTable([in]  DWORD   dwTimeout,
                             [out] ICAT ** ppCAT);

        HRESULT RegisterForWhenCurrent([in]  HANDLE hNextTableIsCurrent);

        HRESULT ConvertNextToCurrent(void);
    };



    ////////////////////////////////////
    //
    // IPMT Interface
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(01F3B398-9527-4736-94DB-5195878E97A8),    
        pointer_default(unique)
    ]
    interface IPMT : IUnknown
    {
        HRESULT Initialize([in]  ISectionList * pSectionList,
                           [in]  IMpeg2Data *   pMPEGData);

        HRESULT GetProgramNumber([out] WORD * pwVal);

        HRESULT GetVersionNumber([out] BYTE * pbVal);

        HRESULT GetPcrPid([out] PID * pPidVal);

        HRESULT GetCountOfTableDescriptors([out] DWORD * pdwVal);

        HRESULT GetTableDescriptorByIndex([in]  DWORD                 dwIndex,
                                          [out] IGenericDescriptor ** ppDescriptor);

        HRESULT GetTableDescriptorByTag([in]      BYTE                  bTag,
                                        [in, out] DWORD *               pdwCookie, // OPTIONAL
                                        [out]     IGenericDescriptor ** ppDescriptor);

        HRESULT GetCountOfRecords([out] WORD * pwVal);

        HRESULT GetRecordStreamType([in]  DWORD  dwRecordIndex,
                                    [out] BYTE * pbVal);

        HRESULT GetRecordElementaryPid([in]  DWORD dwRecordIndex,
                                       [out] PID * pPidVal);

        HRESULT GetRecordCountOfDescriptors([in]  DWORD   dwRecordIndex,
                                            [out] DWORD * pdwVal);

        HRESULT GetRecordDescriptorByIndex([in]  DWORD                 dwRecordIndex,
                                           [in]  DWORD                 dwDescIndex,
                                           [out] IGenericDescriptor ** ppDescriptor);

        HRESULT GetRecordDescriptorByTag([in]      DWORD                 dwRecordIndex,
                                         [in]      BYTE                  bTag,
                                         [in, out] DWORD *               pdwCookie, // OPTIONAL
                                         [out]     IGenericDescriptor ** ppDescriptor);

        HRESULT QueryServiceGatewayInfo([out] DSMCC_ELEMENT ** ppDSMCCList,
                                        [out] UINT *           puiCount);

        HRESULT QueryMPEInfo([out] MPE_ELEMENT ** ppMPEList,
                             [out] UINT *         puiCount);

        HRESULT RegisterForNextTable([in]  HANDLE hNextTableAvailable);

        HRESULT GetNextTable([out] IPMT ** ppPMT);

        HRESULT RegisterForWhenCurrent([in]  HANDLE hNextTableIsCurrent);

        HRESULT ConvertNextToCurrent(void);
    };



    ////////////////////////////////////
    //
    // ITSDT Interface
    //
    ////////////////////////////////////

    [
        object,
        local,
        uuid(D19BDB43-405B-4a7c-A791-C89110C33165),    
        pointer_default(unique)
    ]
    interface ITSDT : IUnknown
    {
        HRESULT Initialize([in]  ISectionList * pSectionList,
                           [in]  IMpeg2Data *   pMPEGData);

        HRESULT GetVersionNumber([out] BYTE * pbVal);

        HRESULT GetCountOfTableDescriptors([out] DWORD * pdwVal);

        HRESULT GetTableDescriptorByIndex([in]  DWORD                 dwIndex,
                                          [out] IGenericDescriptor ** ppDescriptor);

        HRESULT GetTableDescriptorByTag([in]      BYTE                  bTag,
                                        [in, out] DWORD *               pdwCookie, // OPTIONAL
                                        [out]     IGenericDescriptor ** ppDescriptor);

        HRESULT RegisterForNextTable([in]  HANDLE hNextTableAvailable);

        HRESULT GetNextTable([out] ITSDT ** ppTSDT);

        HRESULT RegisterForWhenCurrent([in]  HANDLE hNextTableIsCurrent);

        HRESULT ConvertNextToCurrent(void);
    };

    ////////////////////////////////////
    //
    // IPSITables Interface
    //
    ////////////////////////////////////
    [
        object,
        uuid(919F24C5-7B14-42ac-A4B0-2AE08DAF00AC),    
        pointer_default(unique)
    ]
    interface IPSITables : IUnknown
    {
        // The parameters are basically the ones from the event EVENTID_PSITable
        // defined in bdamedia.h
        // dwPara1 - TSID, ONID|TSID for DVB EIT
        // dwPara2 - TID|PID
        // dwPara3 - dwHashedVersion
        // dwPara4 - program number for PMT, Segment#|SID for DVB EIT, but not used for others
        HRESULT GetTable([in] DWORD dwTSID,
                         [in] DWORD dwTID_PID,
                         [in] DWORD dwHashedVer,
                         [in] DWORD dwPara4,
                         [out] IUnknown **ppIUnknown);

    };