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369 lines
8.4 KiB
Plaintext
369 lines
8.4 KiB
Plaintext
/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// Module Name:
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//
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// Mpeg2Structs.idl
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//
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// Abstract:
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//
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// Definitions for the common structures used in Mpeg2Data
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//
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// Notes:
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//
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// This IDL file is not built independently, but is included and built
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// in the master IDL file Mpeg2Data.idl
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//
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/////////////////////////////////////////////////////////////////////////////
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// Include Files
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#include "Mpeg2Bits.h"
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//
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// Basic Type Aliases
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//
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typedef WORD PID;
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typedef BYTE TID;
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typedef UINT ClientKey;
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//
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// MPEG-2 Current/Next bit field
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//
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typedef enum
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{
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MPEG_SECTION_IS_NEXT = 0,
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MPEG_SECTION_IS_CURRENT = 1
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} MPEG_CURRENT_NEXT_BIT;
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//
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// MPEG-2 TID Extension structure
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//
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typedef struct
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{
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WORD wTidExt;
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WORD wCount;
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} TID_EXTENSION, *PTID_EXTENSION;
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//
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// MPEG-2 packet "small" header structure
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//
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typedef struct
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{
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TID TableId;
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union
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{
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MPEG_HEADER_BITS_MIDL S;
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WORD W;
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} Header;
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BYTE SectionData[1]; // Array size is Header.S.SectionLength
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} SECTION, *PSECTION;
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//
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// MPEG-2 packet "long" header structure
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//
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typedef struct
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{
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TID TableId;
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union
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{
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MPEG_HEADER_BITS_MIDL S;
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WORD W;
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} Header;
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WORD TableIdExtension;
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union
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{
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MPEG_HEADER_VERSION_BITS_MIDL S;
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BYTE B;
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} Version;
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BYTE SectionNumber;
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BYTE LastSectionNumber;
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BYTE RemainingData[1]; // Array size is Header.S.SectionLength - 5
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} LONG_SECTION, *PLONG_SECTION;
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//
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// DSM-CC packet header structure
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//
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typedef struct
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{
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TID TableId;
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union
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{
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MPEG_HEADER_BITS_MIDL S;
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WORD W;
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} Header;
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WORD TableIdExtension;
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union
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{
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MPEG_HEADER_VERSION_BITS_MIDL S;
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BYTE B;
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} Version;
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BYTE SectionNumber;
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BYTE LastSectionNumber;
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BYTE ProtocolDiscriminator;
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BYTE DsmccType;
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WORD MessageId;
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DWORD TransactionId;
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BYTE Reserved;
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BYTE AdaptationLength;
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WORD MessageLength;
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BYTE RemainingData[1];
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} DSMCC_SECTION, *PDSMCC_SECTION;
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//
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// MPEG-2 request/response packets structures
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//
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typedef struct
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{
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DWORD dwLength;
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PSECTION pSection;
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} MPEG_RQST_PACKET, *PMPEG_RQST_PACKET;
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typedef struct
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{
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WORD wPacketCount;
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PMPEG_RQST_PACKET PacketList[1]; // Array size is wPacketCount;
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} MPEG_PACKET_LIST, *PMPEG_PACKET_LIST;
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//
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// DSM-CC request filter options
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//
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typedef struct
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{
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BOOL fSpecifyProtocol; // If true, Protocol should be set to desired value
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BYTE Protocol;
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BOOL fSpecifyType; // If true, Type should be set to desired value
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BYTE Type;
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BOOL fSpecifyMessageId; // If true, MessageId should be set to desired value
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WORD MessageId;
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BOOL fSpecifyTransactionId; // If true, TransactionId (or DownloadId for DDB msgs) should be set to desired value
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BOOL fUseTrxIdMessageIdMask; // If false, TransactionId is filtered as is.
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// If true, TransactionId is masked to look
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// for any version of message with associated
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// message identifier. See DVB - Data
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// Broadcasting Guidlines 4.6.5. (Assignment
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// and use of transactionId values).
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DWORD TransactionId;
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BOOL fSpecifyModuleVersion; // If true, ModuleVersion should be set to the desired value
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BYTE ModuleVersion;
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BOOL fSpecifyBlockNumber; // If true, BlockNumber should be set to desired value
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WORD BlockNumber;
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BOOL fGetModuleCall; // If true, NumberOfBlocksInModule should be set
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WORD NumberOfBlocksInModule;
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} DSMCC_FILTER_OPTIONS;
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// 45 BYTES
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//
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// ATSC request filter options
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//
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typedef struct
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{
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BOOL fSpecifyEtmId; // If true, EtmId should be set to desired value
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DWORD EtmId;
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} ATSC_FILTER_OPTIONS;
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// 8 BYTES
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//
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// MPEG-2 request filter structure
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//
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typedef struct
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{
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BYTE bVersionNumber; // Must be set to 1 or more to match filter definition
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WORD wFilterSize; // Size of total filter structure. Version 1 filter is 73 bytes.
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BOOL fUseRawFilteringBits; // If true, Filter and Mask fields should be set to desired value, all other
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// fields with be ignored.
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BYTE Filter[16]; // Bits with values to compare against for a match.
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BYTE Mask[16]; // Bits set to 0 are bits that are compared to those in the filter, those
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// bits set to 1 are ignored.
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BOOL fSpecifyTableIdExtension; // If true, TableIdExtension should be set to desired value (false = don't care)
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WORD TableIdExtension;
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BOOL fSpecifyVersion; // If true, Version should be set to desired value (false = don't care)
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BYTE Version;
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BOOL fSpecifySectionNumber; // If true, SectionNumber should be set to desired value (false = don't care)
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BYTE SectionNumber;
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BOOL fSpecifyCurrentNext; // If true, fNext should be set to desired value (false = don't care)
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BOOL fNext; // If true, next table is queried. Else, current
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BOOL fSpecifyDsmccOptions; // If true, Dsmcc should be set with desired filter options
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DSMCC_FILTER_OPTIONS Dsmcc;
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BOOL fSpecifyAtscOptions; // If true, Atsc should be set with desired filter options
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ATSC_FILTER_OPTIONS Atsc;
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} MPEG2_FILTER, *PMPEG2_FILTER;
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// 124 BYTES
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cpp_quote("#define MPEG2_FILTER_VERSION_1_SIZE 124")
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//
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// Mpeg-2 Stream buffer structure
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//
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typedef struct
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{
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HRESULT hr;
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DWORD dwDataBufferSize;
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DWORD dwSizeOfDataRead;
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BYTE * pDataBuffer;
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} MPEG_STREAM_BUFFER, *PMPEG_STREAM_BUFFER;
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//
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// MPEG-2 Time and Date structures
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//
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typedef struct
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{
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BYTE Hours; // Legal Range: 0 to 23
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BYTE Minutes; // Legal Range: 0 to 59
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BYTE Seconds; // Legal Range: 0 to 59
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} MPEG_TIME;
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typedef MPEG_TIME MPEG_DURATION;
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typedef struct
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{
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BYTE Date; // Legal Range: 1 to 31
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BYTE Month; // Legal Range: 1 to 12
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WORD Year; // Legal Range: 1900 to 2100
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} MPEG_DATE;
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typedef struct
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{
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MPEG_DATE D;
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MPEG_TIME T;
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} MPEG_DATE_AND_TIME;
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//
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// MPEG-2 API Context structures
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//
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typedef enum
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{
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MPEG_CONTEXT_BCS_DEMUX,
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MPEG_CONTEXT_WINSOCK
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} MPEG_CONTEXT_TYPE;
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typedef struct
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{
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DWORD AVMGraphId;
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} MPEG_BCS_DEMUX;
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typedef struct
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{
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DWORD AVMGraphId;
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} MPEG_WINSOCK;
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typedef struct
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{
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MPEG_CONTEXT_TYPE Type;
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union
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{
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MPEG_BCS_DEMUX Demux;
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MPEG_WINSOCK Winsock;
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} U;
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} MPEG_CONTEXT, *PMPEG_CONTEXT;
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//
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// MPEG-2 Service Request and Responses
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//
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typedef enum
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{
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MPEG_RQST_UNKNOWN = 0,
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MPEG_RQST_GET_SECTION,
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MPEG_RQST_GET_SECTION_ASYNC,
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MPEG_RQST_GET_TABLE,
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MPEG_RQST_GET_TABLE_ASYNC,
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MPEG_RQST_GET_SECTIONS_STREAM,
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MPEG_RQST_GET_PES_STREAM,
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MPEG_RQST_GET_TS_STREAM,
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MPEG_RQST_START_MPE_STREAM,
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} MPEG_REQUEST_TYPE;
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typedef struct
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{
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MPEG_REQUEST_TYPE Type;
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MPEG_CONTEXT Context;
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PID Pid;
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TID TableId;
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MPEG2_FILTER Filter;
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DWORD Flags;
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} MPEG_SERVICE_REQUEST, *PMPEG_SERVICE_REQUEST;
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typedef struct
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{
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DWORD IPAddress;
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WORD Port;
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} MPEG_SERVICE_RESPONSE, *PMPEG_SERVICE_RESPONSE;
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//
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// DSM-CC & MPE Query Results
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//
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typedef struct _DSMCC_ELEMENT
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{
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PID pid;
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BYTE bComponentTag;
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DWORD dwCarouselId;
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DWORD dwTransactionId;
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struct _DSMCC_ELEMENT * pNext;
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} DSMCC_ELEMENT, *PDSMCC_ELEMENT;
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typedef struct _MPE_ELEMENT
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{
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PID pid;
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BYTE bComponentTag;
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struct _MPE_ELEMENT * pNext;
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} MPE_ELEMENT, *PMPE_ELEMENT;
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//
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// MPEG-2 Stream Filtering Structure
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//
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typedef struct _MPEG_STREAM_FILTER
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{
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WORD wPidValue; // PID value
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DWORD dwFilterSize; // size of filter in bits
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BOOL fCrcEnabled; // enable/disable CRC check
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BYTE rgchFilter[16]; // filter data
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BYTE rgchMask[16]; // filter mask
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} MPEG_STREAM_FILTER;
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