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1 /* |
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2 * Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Standard fixed headers of RTP packets to send and receive. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 #ifndef __RTPHEADER_H |
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22 #define __RTPHEADER_H |
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23 |
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24 // INCLUDES |
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25 #include <rtpdef.h> |
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26 |
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27 // CONSTANTS |
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28 |
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29 // MACROS |
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30 |
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31 // DATA TYPES |
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32 |
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33 // FUNCTION PROTOTYPES |
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34 |
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35 // FORWARD DECLARATIONS |
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36 |
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37 // CLASS DECLARATION |
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38 |
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39 class TRtpHeaderExtension |
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40 { |
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41 public: |
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42 TRtpHeaderExtension(); |
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43 TInt iType; // Defined by profile |
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44 TInt iLength; // Length of extension data |
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45 TUint8* iData; // Extended header data |
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46 } ; |
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47 inline TRtpHeaderExtension::TRtpHeaderExtension() |
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48 : iType( 0 ), |
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49 iLength( 0 ), |
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50 iData( 0 ) |
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51 { |
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52 }; |
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53 |
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54 /** |
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55 * Standard fixed header of RTP packet to send. |
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56 * |
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57 * @lib RtpService.dll |
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58 */ |
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59 class TRtpSendHeader |
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60 { |
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61 public: // Header fields |
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62 TRtpSendHeader(); |
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63 |
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64 TUint8 iPadding; // Padding (P) (1 bit) |
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65 TUint8 iMarker; // Marker (M) (1 bit) |
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66 TRtpPayloadType iPayloadType; // Payload type (PT) (7 bits) |
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67 TRtpTimeStamp iTimestamp; // Timestamp (32 bits) |
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68 TRtpHeaderExtension* iHeaderExtension; // Pointer to header extension struct |
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69 }; |
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70 |
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71 inline TRtpSendHeader::TRtpSendHeader() : iPadding( 0 ), |
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72 iMarker( 0 ), |
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73 iPayloadType( 0 ), |
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74 iTimestamp( 0 ), |
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75 iHeaderExtension( NULL ) |
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76 { |
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77 }; |
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78 |
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79 /** |
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80 * Standard fixed header of received RTP packet. |
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81 * |
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82 * @lib RtpService.dll |
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83 */ |
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84 class TRtpRecvHeader |
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85 { |
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86 public: // Header fields |
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87 TRtpRecvHeader(); |
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88 |
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89 TUint8 iPadding; // Padding (P) (1 bit) |
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90 TUint8 iExtension; // Extension (X) (1 bit) |
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91 TUint8 iCsrcCount; // CSRC count (CC) (4 bits) |
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92 TUint8 iMarker; // Marker (M) (1 bit) |
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93 TRtpPayloadType iPayloadType; // Payload type (PT) (7 bits) |
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94 TRtpSequence iSeqNum; // Sequence number (16 bits) |
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95 TRtpTimeStamp iTimestamp; // Timestamp (32 bits) |
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96 TRtpHeaderExtension* iHeaderExtension; // Pointer to header extension struct |
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97 TUint32* iCsrcList; // Pointer to CSRC list |
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98 }; |
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99 |
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100 inline TRtpRecvHeader::TRtpRecvHeader() : iPadding( 0 ), |
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101 iExtension( 0 ), |
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102 iCsrcCount( 0 ), |
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103 iMarker( 0 ), |
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104 iPayloadType( 0 ), |
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105 iSeqNum( 0 ), |
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106 iTimestamp( 0 ), |
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107 iHeaderExtension( NULL ), |
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108 iCsrcList( NULL ) |
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109 { |
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110 }; |
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111 |
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112 #endif // __RTPHEADER_H |
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113 |
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114 // End of File |