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1 /* |
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2 * Copyright (c) 2006 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: |
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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 // INCLUDE FILES |
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22 |
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23 #include "mcemediadefs.h" |
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24 #include "mcemediasdpcodec.h" |
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25 #include "mcecomcodec.h" |
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26 #include "mcemmlogs.h" |
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27 #include "mcepreconditions.h" |
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28 #include "mcesdpsession.h" |
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29 #include "mcesip.h" |
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30 #include "mcemediamanager.h" |
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31 #include "mcenatpluginmanager.h" |
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32 |
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33 #include <sdpconnectionfield.h> |
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34 #include <sdpdocument.h> |
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35 #include <sdpcodecstringconstants.h> |
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36 #include <sdpcodecstringpool.h> |
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37 #include <sdpmediafield.h> |
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38 #include <sdpattributefield.h> |
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39 #include <sdprtpmapvalue.h> |
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40 #include <sdpfmtattributefield.h> |
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41 #include <sdporiginfield.h> |
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42 #include <sdpbandwidthfield.h> |
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43 #include <mmcccodecinformation.h> |
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44 #include <sdpcodecstringpool.h> |
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45 #include <delimitedpathsegment8.h> |
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46 |
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47 |
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48 // ================= MEMBER FUNCTIONS ======================= |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CMceMediaSdpCodec::CMceMediaSdpCodec |
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52 // ----------------------------------------------------------------------------- |
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53 CMceMediaSdpCodec::CMceMediaSdpCodec( RStringF aMedia ) |
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54 : CMceSdpCodec( aMedia ) |
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55 { |
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56 } |
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57 |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CMceMediaSdpCodec::~CMceMediaSdpCodec |
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61 // ----------------------------------------------------------------------------- |
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62 CMceMediaSdpCodec::~CMceMediaSdpCodec() |
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63 { |
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64 } |
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65 |
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66 |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CMceMediaSdpCodec::EncodeMediaOfferL |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 void CMceMediaSdpCodec::EncodeMediaOfferL( |
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73 CMceComMediaStream& aStream, |
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74 CSdpMediaField& aMediaLine, |
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75 CSdpDocument& aSdpDocument ) |
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76 { |
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77 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeMediaOfferL(), Entry ") |
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78 |
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79 // get all the codecs to be offered for this media stream. |
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80 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( aStream ); |
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81 |
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82 CMceComCodec* codec = NULL; |
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83 CMceComCodec::TIterator codecs( allCodecs, CMceComCodec::TIterator::EFilterIsNegotiated ); |
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84 |
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85 // Set the fmt list containing all supported payload |
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86 // types supported by this media |
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87 // i.e. all the rtpmap fields in the pointer array |
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88 HBufC8* fmtlist = CreateFormatListL( codecs ); |
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89 CleanupStack::PushL( fmtlist ); |
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90 codecs.Reset(); |
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91 |
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92 aMediaLine.SetFormatListL( *fmtlist ); |
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93 CleanupStack::PopAndDestroy( fmtlist ); |
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94 |
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95 MCEMM_DEBUG_SVALUE("encoded formatlist", aMediaLine.FormatList() ) |
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96 |
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97 // For each codec supported by this stream create a rtpmap field |
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98 // e.g. a=rtpmap: 97 AMR/8000 |
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99 // and ptime and maxptime |
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100 // e.g. a=ptime:20 a=maxptime:40 |
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101 while( codecs.Next( codec ) ) |
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102 { |
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103 CSdpFmtAttributeField* rtpmap = EncodeRtpmapAttributeLC( *codec ); |
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104 |
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105 EncodeMediaAttributesL( *codec, aMediaLine, *rtpmap ); |
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106 |
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107 aMediaLine.FormatAttributeFields().AppendL( rtpmap ); |
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108 CleanupStack::Pop( rtpmap ); |
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109 |
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110 EncodeFmtpAttributeL( *codec, aMediaLine ); |
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111 |
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112 } |
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113 |
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114 //encode direction |
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115 EncodeDirectionL( aStream, aMediaLine, aSdpDocument, EMceRoleOfferer ); |
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116 |
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117 //encode client attributes if any |
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118 EncodeClientAttributesL( aStream, aMediaLine ); |
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119 |
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120 //encode secure session if any |
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121 EncodeSecureSessionL( aStream, aMediaLine, EMceRoleOfferer ); |
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122 |
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123 //encode preconditions if any |
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124 EncodePreconditionsL( aStream, aMediaLine, EMceRoleOfferer ); |
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125 |
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126 //encode rtcp port |
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127 EncodelocalRtcpAttrL( aMediaLine, aStream ); |
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128 |
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129 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeMediaOfferL(), Exit ") |
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130 } |
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131 |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CMceMediaSdpCodec::DecodeMediaAnswerL |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 TMceSipWarningCode CMceMediaSdpCodec::DecodeMediaAnswerL( |
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138 CSdpMediaField& aMediaLine, |
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139 CMceComMediaStream& aStream, |
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140 CSdpDocument& aSdpDocument ) |
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141 { |
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142 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaAnswerL(), Entry ") |
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143 |
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144 //should have secure session created |
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145 |
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146 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( aStream ); |
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147 CMceComCodec::TIterator codecs( allCodecs ); |
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148 |
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149 //decode direction or old school hold if necessary |
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150 DecodeDirectionL( aMediaLine, aStream, aSdpDocument, EMceRoleOfferer ); |
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151 |
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152 __ASSERT_ALWAYS( codecs.Count() > 0, User::Leave( KErrNotReady ) ); |
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153 __ASSERT_ALWAYS( aMediaLine.Port() != 0 , User::Leave( KErrNotReady ) ); |
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154 |
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155 //decode based on rtpmaps + their media attributes |
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156 TInt decoded = DecodePayloadsL( aMediaLine, aStream, EMceRoleOfferer ); |
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157 |
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158 if ( !decoded ) |
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159 { |
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160 MCEMM_DEBUG("ERROR: No codecs decoded") |
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161 User::Leave( KErrNotReady ); |
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162 } |
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163 |
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164 // check if remote RTCP port is set according to RFC 3605 |
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165 DecodeRemoteRtcpFieldL( aMediaLine, aStream ); |
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166 aStream.SetRemoteMediaPort( aMediaLine.Port() ); |
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167 |
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168 MCEMM_DEBUG_DVALUE("decoded remote port", aStream.RemoteMediaPort() ) |
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169 //decode based on fmtps |
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170 DecodeFmtpLinesL( aMediaLine, codecs, EMceRoleOfferer ); |
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171 |
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172 //decode secure session if any |
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173 DecodeSecureSessionL( aMediaLine, aStream, EMceRoleOfferer ); |
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174 |
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175 //decode preconditions if any |
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176 TMceSipWarningCode warnings = |
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177 DecodePreconditionsL( aMediaLine, aStream, EMceRoleOfferer ); |
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178 |
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179 //decode client attributes if any |
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180 DecodeClientAttributesL( aMediaLine, aStream ); |
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181 |
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182 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaAnswerL(), Exit ") |
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183 return warnings; |
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184 } |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CMceMediaSdpCodec::DecodeMediaOfferL |
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188 // ----------------------------------------------------------------------------- |
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189 // |
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190 TMceSipWarningCode CMceMediaSdpCodec::DecodeMediaOfferL( |
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191 CSdpMediaField& aMediaLine, |
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192 CMceComMediaStream*& aStream, |
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193 CMceComSession& aSession, |
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194 CSdpDocument& aSdpDocument ) |
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195 { |
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196 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaOfferL(), Entry ") |
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197 |
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198 TMceSipWarningCode warning = ValidateSdpL( aMediaLine, aSdpDocument ); |
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199 if ( warning != KErrNone ) |
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200 { |
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201 return warning; |
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202 } |
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203 |
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204 TInt type = Type( aMediaLine, aSdpDocument.AttributeFields() ); |
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205 |
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206 // create server stream based on the media direction |
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207 // attribute (sendonly, sendrcv, rcvonly) |
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208 aStream = CreateStreamLC( type ); |
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209 aStream->InitializeL( aSession ); |
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210 |
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211 //decode direction or old school hold if necessary |
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212 DecodeDirectionL( aMediaLine, *aStream, aSdpDocument, EMceRoleAnswerer ); |
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213 |
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214 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( *aStream ); |
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215 CMceComCodec::TIterator codecs( allCodecs ); |
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216 |
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217 //decode based on rtpmaps + their media attributes |
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218 TInt decoded = DecodePayloadsL( aMediaLine, *aStream, EMceRoleAnswerer ); |
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219 |
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220 if ( decoded ) |
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221 { |
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222 |
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223 // check if remote RTCP port is set according to RFC 3605 |
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224 DecodeRemoteRtcpFieldL( aMediaLine, *aStream ); |
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225 aStream->SetRemoteMediaPort( aMediaLine.Port() ); |
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226 |
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227 MCEMM_DEBUG_DVALUE("decoded remote port", aStream->RemoteMediaPort() ) |
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228 |
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229 //decode based on fmtps |
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230 DecodeFmtpLinesL( aMediaLine, codecs, EMceRoleAnswerer ); |
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231 |
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232 //decode session level media attributes |
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233 DecodeSessionMediaAttributesL( *aStream, aSdpDocument ); |
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234 |
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235 |
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236 //decode secure session if any |
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237 DecodeSecureSessionL( aMediaLine, *aStream, EMceRoleAnswerer ); |
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238 //decode preconditions if any |
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239 warning = DecodePreconditionsL( aMediaLine, *aStream, EMceRoleAnswerer ); |
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240 |
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241 |
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242 //Decode client attributes if any |
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243 DecodeClientAttributesL( aMediaLine, *aStream ); |
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244 |
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245 aSession.Streams().AppendL( aStream ); |
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246 CleanupStack::Pop( aStream ); |
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247 |
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248 } |
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249 else |
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250 { |
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251 MCEMM_DEBUG("No acceptable codecs found for current media line ") |
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252 |
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253 // we did not find any acceptable codecs for this stream, return warning |
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254 |
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255 CleanupStack::PopAndDestroy( aStream ); |
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256 aStream = NULL; |
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257 warning = KMceSipWarnIncompatibleMediaFormat; |
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258 } |
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259 |
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260 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaOfferL(), Exit ") |
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261 |
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262 return warning; |
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263 |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CMceMediaSdpCodec::DecodeMediaUpdateL |
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268 // ----------------------------------------------------------------------------- |
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269 // |
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270 TMceSipWarningCode CMceMediaSdpCodec::DecodeMediaUpdateL( |
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271 CSdpMediaField& aMediaLine, |
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272 CMceComMediaStream& aStream, |
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273 CSdpDocument& aSdpDocument ) |
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274 { |
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275 |
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276 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaUpdateL(), Entry ") |
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277 |
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278 TMceSipWarningCode warning = ValidateSdpL( aMediaLine, aSdpDocument ); |
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279 if ( warning != KErrNone ) |
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280 { |
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281 return warning; |
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282 } |
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283 |
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284 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( aStream ); |
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285 CMceComCodec::TIterator codecs( allCodecs ); |
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286 |
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287 aStream.SetRemoteMediaPort( aMediaLine.Port() ); |
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288 MCEMM_DEBUG_DVALUE("decoded remote port", aStream.RemoteMediaPort() ) |
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289 |
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290 //should have secure media session existed |
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291 |
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292 //decode based on rtpmaps + their media attributes |
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293 TInt decoded = DecodePayloadsL( aMediaLine, aStream, EMceRoleAnswerer ); |
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294 |
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295 if ( decoded ) |
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296 { |
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297 // check if remote RTCP port is set according to RFC 3605 |
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298 DecodeRemoteRtcpFieldL( aMediaLine, aStream ); |
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299 |
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300 |
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301 //decode based on fmtps |
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302 DecodeFmtpLinesL( aMediaLine, codecs, EMceRoleAnswerer ); |
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303 |
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304 //decode direction or old school hold if necessary |
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305 UpdateDirectionL( aMediaLine, aStream, aSdpDocument ); |
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306 |
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307 //decode secure session if any |
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308 DecodeSecureSessionL( aMediaLine, aStream, EMceRoleAnswerer, KMceMediaCodecUpdate ); |
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309 |
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310 |
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311 //decode preconditions if any |
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312 warning = DecodePreconditionsL( aMediaLine, aStream, EMceRoleAnswerer ); |
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313 |
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314 //decode client attributes if any |
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315 DecodeClientAttributesL( aMediaLine, aStream ); |
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316 |
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317 } |
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318 else |
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319 { |
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320 MCEMM_DEBUG("ERROR: No codecs decoded") |
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321 warning = KMceSipWarnIncompatibleMediaFormat; |
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322 } |
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323 |
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324 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeMediaUpdateL(), Exit ") |
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325 return warning; |
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326 } |
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327 |
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328 // ----------------------------------------------------------------------------- |
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329 // CMceAudioSdpCodec::EncodeMediaAnswerL |
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330 // ----------------------------------------------------------------------------- |
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331 // |
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332 void CMceMediaSdpCodec::EncodeMediaAnswerL( |
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333 CMceComMediaStream& aStream, |
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334 CSdpMediaField& aMediaLine, |
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335 CSdpDocument& aSdpDocument ) |
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336 { |
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337 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeMediaAnswerL(), Entry ") |
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338 |
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339 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( aStream ); |
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340 CMceComCodec* codec = NULL; |
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341 CMceComCodec::TIterator codecs( allCodecs, CMceComCodec::TIterator::EFilterIsNegotiated ); |
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342 |
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343 if ( codecs.Count() > 0 ) |
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344 { |
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345 |
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346 // Set the fmt list containing all supported payload |
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347 // types supported by this media |
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348 // i.e. all the rtpmap fields in the pointer array |
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349 HBufC8* fmtlist = CreateFormatListL( codecs ); |
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350 CleanupStack::PushL( fmtlist ); |
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351 codecs.Reset(); |
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352 |
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353 aMediaLine.SetFormatListL( *fmtlist ); |
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354 CleanupStack::PopAndDestroy( fmtlist ); |
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355 |
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356 MCEMM_DEBUG_SVALUE("encoded formatlist", aMediaLine.FormatList() ) |
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357 |
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358 aMediaLine.SetPortL( aStream.iLocalMediaPort ); |
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359 MCEMM_DEBUG_DVALUE("encoded local port", aMediaLine.Port() ) |
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360 |
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361 // add the direction attribute |
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362 EncodeDirectionL( aStream, aMediaLine, aSdpDocument, EMceRoleAnswerer ); |
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363 |
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364 while( codecs.Next( codec ) ) |
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365 { |
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366 CSdpFmtAttributeField* rtpmap = EncodeRtpmapAttributeLC( *codec ); |
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367 |
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368 EncodeMediaAttributesL( *codec, aMediaLine, *rtpmap ); |
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369 |
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370 aMediaLine.FormatAttributeFields().AppendL( rtpmap ); |
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371 CleanupStack::Pop( rtpmap ); |
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372 |
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373 EncodeFmtpAttributeL( *codec, aMediaLine ); |
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374 |
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375 } |
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376 |
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377 //encode secure session if any |
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378 EncodeSecureSessionL( aStream, aMediaLine, EMceRoleAnswerer ); |
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379 |
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380 //encode preconditions if any |
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381 EncodePreconditionsL( aStream, aMediaLine, EMceRoleAnswerer ); |
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382 |
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383 } |
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384 else |
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385 { // there was no selected codec for this stream |
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386 MCEMM_DEBUG("ERROR: No selected codec found! Reject ") |
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387 aMediaLine.RejectMedia(); |
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388 } |
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389 |
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390 // encode client attributes |
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391 EncodeClientAttributesL( aStream, aMediaLine ); |
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392 |
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393 // encode rtcp attributes |
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394 EncodelocalRtcpAttrL( aMediaLine, aStream ); |
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395 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeMediaAnswerL(), Exit ") |
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396 } |
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397 |
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398 // ----------------------------------------------------------------------------- |
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399 // CMceMediaSdpCodec::TypeL |
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400 // ----------------------------------------------------------------------------- |
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401 // |
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402 TInt CMceMediaSdpCodec::Type( |
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403 CSdpMediaField& aMedia, |
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404 RPointerArray<CSdpAttributeField>& aSessionAttributes ) const |
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405 { |
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406 TInt type = Direction( aMedia, aSessionAttributes ); |
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407 type = type == KErrNotFound ? SdpCodecStringConstants::EAttributeSendrecv : type; |
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408 return type; |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // CMceMediaSdpCodec::PrepareForDecodeL |
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413 // ----------------------------------------------------------------------------- |
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414 // |
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415 void CMceMediaSdpCodec::PrepareForDecodeL( |
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416 CSdpMediaField& /*aMediaLine*/, |
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417 CMceComMediaStream* aStream ) |
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418 { |
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419 MCEMM_DEBUG("CMceMediaSdpCodec::PrepareForDecodeL(), Entry ") |
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420 |
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421 if ( aStream ) |
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422 { |
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423 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( *aStream ); |
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424 CMceComCodec* codec = NULL; |
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425 CMceComCodec::TIterator codecs( allCodecs ); |
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426 while( codecs.Next( codec ) ) |
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427 { |
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428 codec->iIsNegotiated = EFalse; |
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429 } |
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430 } |
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431 |
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432 MCEMM_DEBUG("CMceMediaSdpCodec::PrepareForDecodeL(), Exit ") |
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433 } |
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434 |
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435 // ----------------------------------------------------------------------------- |
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436 // CMceMediaSdpCodec::DecodeRtpmapLinesL |
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437 // ----------------------------------------------------------------------------- |
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438 // |
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439 TInt CMceMediaSdpCodec::DecodeRtpmapLinesL( |
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440 CSdpMediaField& aMediaLine, |
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441 CMceComMediaStream& aStream, |
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442 TMceNegotiationRole aRole ) const |
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443 { |
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444 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeRtpmapLinesL(), Entry ") |
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445 TInt decoded = 0; |
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446 |
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447 const RPointerArray<CMceComCodec>& allCodecs = CodecsL( aStream ); |
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448 CMceComCodec* codec = NULL; |
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449 CMceComCodec::TIterator codecs( allCodecs ); |
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450 |
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451 RArray<TUint> payloadTypesInMediaLine; |
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452 CleanupClosePushL( payloadTypesInMediaLine ); |
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453 |
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454 User::LeaveIfError( DecodeFormatList( aMediaLine, payloadTypesInMediaLine ) ); |
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455 |
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456 RPointerArray< CSdpFmtAttributeField >& formatLines = |
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457 aMediaLine.FormatAttributeFields(); |
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458 |
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459 for ( TInt i = 0; i < formatLines.Count(); i++ ) |
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460 { |
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461 CSdpFmtAttributeField* formatLine = formatLines[ i ]; |
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462 if ( formatLine->Attribute() == |
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463 SDP_STRING( SdpCodecStringConstants::EAttributeRtpmap ) ) |
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464 //codec |
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465 { |
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466 TPtrC8 fmtpVal = GetCorrespondingFmtpLineL( aMediaLine, *formatLine ); |
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467 |
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468 MCE_ITERATOR_FIND_NEXT( |
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469 codecs, codec, |
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470 codec->Decodes( formatLine->Value(), fmtpVal ) ); |
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471 |
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472 codecs.Reset(); |
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473 |
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474 if ( !codec && aRole == EMceRoleOfferer ) |
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475 { |
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476 // No exact match, do less strict matching for better interoperability |
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477 MCE_ITERATOR_FIND_NEXT( |
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478 codecs, codec, |
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479 codec->Decodes( formatLine->Value(), fmtpVal, EFalse ) ); |
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480 codecs.Reset(); |
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481 } |
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482 |
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483 if ( codec ) |
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484 { |
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485 MCEMM_DEBUG_SVALUE("decoding codec", codec->iSdpName ) |
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486 |
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487 const TDesC8& payloadTypeInRtpMap = formatLine->Format(); |
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488 TUint rtpMapPT = ConvertDesToUintL( payloadTypeInRtpMap ); |
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489 |
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490 TInt val = payloadTypesInMediaLine.Find( rtpMapPT ); |
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491 if ( val != KErrNotFound ) |
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492 { |
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493 TUint payload = ConvertDesToUintL( formatLine->Format() ); |
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494 if ( !IsPayloadTypeSupported( codec->iSdpName, payload ) ) |
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495 { |
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496 // not supported payload, ignore this codec |
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497 continue; |
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498 } |
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499 if ( !codec->iIsNegotiated ) |
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500 { |
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501 codec->iPayloadType = payload; |
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502 } |
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503 codec->iIsNegotiated = ETrue; |
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504 //decode media attributes |
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505 DecodeMediaAttributesL( aMediaLine, *codec, *formatLine ); |
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506 decoded++; |
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507 } |
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508 else |
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509 { |
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510 // Discarding as there was no matching pt in medialine for |
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511 // this rtmpmap line |
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512 codec->iIsNegotiated = EFalse; |
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513 if ( aStream.BoundStream() ) |
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514 { |
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515 CMceComCodec* sync = NULL; |
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516 sync = aStream.BoundStreamL().FindCodecL( *codec ); |
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517 if ( sync ) |
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518 { |
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519 sync->iIsNegotiated = EFalse; |
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520 } |
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521 } |
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522 } |
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523 } |
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524 else if ( aRole == EMceRoleAnswerer ) |
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525 { |
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526 if ( DecodeRtpmapLineL( *formatLine, aMediaLine, aStream, fmtpVal ) ) |
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527 { |
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528 decoded++; |
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529 } |
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530 } |
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531 else |
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532 { |
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533 // NOP |
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534 } |
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535 |
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536 } |
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537 } |
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538 |
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539 CleanupStack::PopAndDestroy( &payloadTypesInMediaLine ); |
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540 |
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541 MCEMM_DEBUG_DVALUE("decoded codecs", decoded ) |
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542 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeRtpmapLinesL(), Exit ") |
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543 return decoded; |
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544 } |
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545 |
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546 // ----------------------------------------------------------------------------- |
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547 // CMceMediaSdpCodec::DecodeRtpmapLinesL |
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548 // ----------------------------------------------------------------------------- |
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549 // |
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550 TInt CMceMediaSdpCodec::DecodeRtpmapLinesL( |
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551 CSdpMediaField& aMediaLine, |
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552 CMceComMediaStream& aStream ) const |
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553 { |
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554 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeRtpmapLinesL(), Entry ") |
|
555 TInt decoded = 0; |
|
556 |
|
557 // Read format level attributes |
|
558 RPointerArray< CSdpFmtAttributeField >& formatLines = |
|
559 aMediaLine.FormatAttributeFields(); |
|
560 |
|
561 // For all codec specific lines in the offer |
|
562 for ( TInt i = 0; i < formatLines.Count(); i++ ) |
|
563 { |
|
564 CSdpFmtAttributeField* formatLine = formatLines[i]; |
|
565 if ( formatLine->Attribute() == SDP_STRING( SdpCodecStringConstants::EAttributeRtpmap ) && |
|
566 DecodeRtpmapLineL( *formatLine, aMediaLine, aStream ) ) |
|
567 { |
|
568 decoded++; |
|
569 } |
|
570 } |
|
571 |
|
572 MCEMM_DEBUG_DVALUE("decoded codecs", decoded ) |
|
573 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeRtpmapLinesL(), Exit ") |
|
574 return decoded; |
|
575 } |
|
576 |
|
577 // ----------------------------------------------------------------------------- |
|
578 // CMceMediaSdpCodec::DecodeStaticPayloadsL |
|
579 // ----------------------------------------------------------------------------- |
|
580 // |
|
581 TInt CMceMediaSdpCodec::DecodeStaticPayloadsL( |
|
582 CSdpMediaField& aMediaLine, |
|
583 CMceComMediaStream& aStream, |
|
584 RArray<TUint>& aPayloadTypes, |
|
585 TMceNegotiationRole aRole ) const |
|
586 { |
|
587 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeStaticPayloadsL(), Entry ") |
|
588 TInt decoded = 0; |
|
589 |
|
590 DecodeFormatListL( aMediaLine, aPayloadTypes ); |
|
591 TInt index = 0; |
|
592 |
|
593 while( index < aPayloadTypes.Count() ) |
|
594 { |
|
595 TUint payload = aPayloadTypes[ index++ ]; |
|
596 if ( payload < KMinDynamicPT ) |
|
597 { |
|
598 CMceComCodec* codec = FindCodec( payload, aStream ); |
|
599 if ( aRole == EMceRoleAnswerer ) |
|
600 { |
|
601 if ( !codec ) |
|
602 { |
|
603 codec = CreateCodecLC( payload, aMediaLine ); |
|
604 if ( codec ) |
|
605 { |
|
606 codec->InitializeL( aStream ); |
|
607 codec->iIsNegotiated = ETrue; |
|
608 MCEMM_DEBUG_SVALUE("adding codec", codec->iSdpName ) |
|
609 aStream.AddCodecL( codec ); |
|
610 CleanupStack::Pop( codec ); |
|
611 decoded++; |
|
612 } |
|
613 } |
|
614 else |
|
615 { |
|
616 codec->iIsNegotiated = ETrue; |
|
617 decoded++; |
|
618 } |
|
619 } |
|
620 else if ( codec && aRole == EMceRoleOfferer ) |
|
621 { |
|
622 codec->iIsNegotiated = ETrue; |
|
623 decoded++; |
|
624 } |
|
625 } |
|
626 } |
|
627 |
|
628 MCEMM_DEBUG_DVALUE("decoded codecs", decoded ) |
|
629 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeStaticPayloadsL(), Exit ") |
|
630 return decoded; |
|
631 } |
|
632 |
|
633 // ----------------------------------------------------------------------------- |
|
634 // CMceMediaSdpCodec::FindCodec |
|
635 // ----------------------------------------------------------------------------- |
|
636 // |
|
637 CMceComCodec* CMceMediaSdpCodec::FindCodec( |
|
638 TInt aPayloadType, |
|
639 CMceComMediaStream& aStream ) const |
|
640 { |
|
641 TInt error = KErrNone; |
|
642 |
|
643 RPointerArray< CMceComCodec > allCodecs; |
|
644 |
|
645 TRAP( error, allCodecs = CodecsL( aStream ) ); |
|
646 CMceComCodec* codec = NULL; |
|
647 if( error == KErrNone ) |
|
648 { |
|
649 CMceComCodec::TIterator codecs( allCodecs ); |
|
650 |
|
651 MCE_ITERATOR_FIND_NEXT( codecs, codec, codec->iPayloadType == aPayloadType ); |
|
652 } |
|
653 |
|
654 return codec; |
|
655 } |
|
656 |
|
657 // ----------------------------------------------------------------------------- |
|
658 // CMceMediaSdpCodec::DecodeRtpmapLineL |
|
659 // ----------------------------------------------------------------------------- |
|
660 // |
|
661 CMceComCodec* CMceMediaSdpCodec::DecodeRtpmapLineL( |
|
662 CSdpFmtAttributeField& aRtpMaptLine, |
|
663 CSdpMediaField& aMediaLine, |
|
664 CMceComMediaStream& aStream, |
|
665 const TDesC8& aFmtpValue ) const |
|
666 { |
|
667 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFmtpLineL(), Entry ") |
|
668 |
|
669 RArray<TUint> payloadTypesInMediaLine; |
|
670 CleanupClosePushL( payloadTypesInMediaLine ); |
|
671 |
|
672 User::LeaveIfError( DecodeFormatList( aMediaLine, payloadTypesInMediaLine ) ); |
|
673 |
|
674 const TDesC8& payloadTypeInRtpMap = aRtpMaptLine.Format(); |
|
675 |
|
676 TUint rtpMapPT = ConvertDesToUintL( payloadTypeInRtpMap ); |
|
677 CMceComCodec* codec = NULL; |
|
678 |
|
679 // Ingoring if there is no matching pt in medialine for this rtmpmap line |
|
680 if ( payloadTypesInMediaLine.Find( rtpMapPT ) != KErrNotFound ) |
|
681 { |
|
682 codec = CreateCodecLC( aRtpMaptLine ); |
|
683 if ( codec ) |
|
684 { |
|
685 codec->InitializeL( aStream ); |
|
686 if ( !codec->SetFmtpProposalL( aFmtpValue ) ) |
|
687 { |
|
688 // Fmtp not valid, ignore codec |
|
689 CleanupStack::PopAndDestroy( codec ); |
|
690 codec = NULL; |
|
691 } |
|
692 else |
|
693 { |
|
694 // check if ptime or maxptime attributes are present |
|
695 DecodeMediaAttributesL( aMediaLine, *codec, aRtpMaptLine ); |
|
696 codec->iIsNegotiated = ETrue; |
|
697 MCEMM_DEBUG_SVALUE("adding codec", codec->iSdpName ) |
|
698 aStream.AddCodecL( codec ); |
|
699 CleanupStack::Pop( codec ); |
|
700 } |
|
701 } |
|
702 } |
|
703 |
|
704 CleanupStack::PopAndDestroy( &payloadTypesInMediaLine ); |
|
705 |
|
706 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFmtpLineL(), Exit ") |
|
707 return codec; |
|
708 } |
|
709 |
|
710 // ----------------------------------------------------------------------------- |
|
711 // CMceMediaSdpCodec::DecodeFmtpLinesL |
|
712 // ----------------------------------------------------------------------------- |
|
713 // |
|
714 void CMceMediaSdpCodec::DecodeFmtpLinesL( |
|
715 CSdpMediaField& aMediaLine, |
|
716 CMceComCodec::TIterator& aCodecs, |
|
717 TMceNegotiationRole aRole ) const |
|
718 { |
|
719 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFmtpLinesL(), Entry ") |
|
720 |
|
721 RPointerArray< CSdpFmtAttributeField >& formatLines = |
|
722 aMediaLine.FormatAttributeFields(); |
|
723 |
|
724 CMceComCodec* codec = NULL; |
|
725 while( aCodecs.Next( codec ) ) |
|
726 { |
|
727 TBool first = ETrue; |
|
728 // for all codec specific lines in the offer |
|
729 TBool found = EFalse; |
|
730 for ( TInt j = 0; j < formatLines.Count(); j++ ) |
|
731 { |
|
732 CSdpFmtAttributeField* formatLine = formatLines[ j ]; |
|
733 if ( formatLine->Attribute() == |
|
734 SDP_STRING( SdpCodecStringConstants::EAttributeFmtp ) ) |
|
735 { |
|
736 TUint payloadType = ConvertDesToUintL( formatLine->Format() ); |
|
737 if ( codec->iPayloadType == payloadType ) |
|
738 { |
|
739 MCEMM_DEBUG_SVALUE("decoding format", formatLine->Format() ) |
|
740 const TDesC8& fmtpValue = formatLine->Value(); |
|
741 MCEMM_DEBUG_SVALUE("decoding fmtp", fmtpValue ) |
|
742 found = ETrue; |
|
743 TBool isAnswerer( aRole == EMceRoleAnswerer ); |
|
744 if ( first ) |
|
745 { |
|
746 codec->SetFmtpFromIncomingSdpL( |
|
747 fmtpValue, isAnswerer, KMceCodecFmtpReset ); |
|
748 first = EFalse; |
|
749 } |
|
750 else |
|
751 { |
|
752 codec->SetFmtpFromIncomingSdpL( |
|
753 fmtpValue, isAnswerer, KMceCodecFmtpAppend ); |
|
754 } |
|
755 } |
|
756 } |
|
757 } |
|
758 if ( !found ) |
|
759 { |
|
760 // No fmtp line found, use default values |
|
761 codec->SetDefaultFmtpAttributeL(); |
|
762 } |
|
763 MCEMM_DEBUG_SVALUE("decoded fmtp", *codec->iFmtpAttr ) |
|
764 } |
|
765 |
|
766 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFmtpLinesL(), Exit ") |
|
767 } |
|
768 |
|
769 // ----------------------------------------------------------------------------- |
|
770 // CMceMediaSdpCodec::EncodeFmtpAttributeL |
|
771 // ----------------------------------------------------------------------------- |
|
772 // |
|
773 void CMceMediaSdpCodec::EncodeFmtpAttributeL( |
|
774 CMceComCodec& aCodec, |
|
775 CSdpMediaField& aMedia ) const |
|
776 { |
|
777 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeFmtpAttributeL(), Entry ") |
|
778 |
|
779 RStringF attributeFmtp = |
|
780 SDP_STRING( SdpCodecStringConstants::EAttributeFmtp ); |
|
781 |
|
782 if( aCodec.iFmtpAttr && aCodec.iFmtpAttr->Size() != 0 ) |
|
783 { |
|
784 MCE_DEFINE_DECSTR( payload, aCodec.iPayloadType ) |
|
785 |
|
786 HBufC8* fmtpAttr = aCodec.FtmpForOutgoingSdpLC(); |
|
787 CSdpFmtAttributeField* fmtpLine = |
|
788 CSdpFmtAttributeField::NewL( attributeFmtp, payload, *fmtpAttr ); |
|
789 CleanupStack::PopAndDestroy( fmtpAttr ); |
|
790 CleanupStack::PushL( fmtpLine ); |
|
791 aMedia.FormatAttributeFields().AppendL( fmtpLine ); |
|
792 CleanupStack::Pop( fmtpLine ); |
|
793 |
|
794 MCEMM_DEBUG_SVALUE( "encoded fmtp", fmtpLine->Value() ) |
|
795 } |
|
796 |
|
797 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeFmtpAttributeL(), Exit ") |
|
798 } |
|
799 |
|
800 // ----------------------------------------------------------------------------- |
|
801 // CMceMediaSdpCodec::CreateFormatListL |
|
802 // Creates fmtlist that can be used as media field fmt list -attribute |
|
803 // (other items were commented in a header). |
|
804 // Status : Draft |
|
805 // ----------------------------------------------------------------------------- |
|
806 // |
|
807 HBufC8* CMceMediaSdpCodec::CreateFormatListL( |
|
808 CMceComCodec::TIterator& aCodecs ) const |
|
809 { |
|
810 MCEMM_DEBUG("CMceMediaSdpCodec::CreateFmtListL(), Entry ") |
|
811 |
|
812 HBufC8* fmtList = HBufC8::NewLC( KMceSdpFormatListLength ); |
|
813 TPtr8 fmtListPtr( fmtList->Des() ); |
|
814 |
|
815 CMceComCodec* codec = NULL; |
|
816 for ( TInt count = 0; count <= aCodecs.Count()-1; count++ ) |
|
817 { |
|
818 aCodecs.Next( codec ); |
|
819 MCE_DEFINE_DECSTR( payload, codec->iPayloadType ) |
|
820 fmtListPtr.Append( payload ); |
|
821 if ( count != aCodecs.Count()-1) |
|
822 { |
|
823 fmtListPtr.Append( KMceSipBlank ); |
|
824 } |
|
825 } |
|
826 |
|
827 CleanupStack::Pop( fmtList ); |
|
828 |
|
829 MCEMM_DEBUG("CMceMediaSdpCodec::CreateFmtListL(), Exit ") |
|
830 |
|
831 return fmtList; |
|
832 } |
|
833 |
|
834 // ----------------------------------------------------------------------------- |
|
835 // CMceMediaSdpCodec::DecodeFormatListL |
|
836 // ----------------------------------------------------------------------------- |
|
837 // |
|
838 void CMceMediaSdpCodec::DecodeFormatListL( |
|
839 CSdpMediaField& aMedia, |
|
840 RArray<TUint>& aPayloadTypes ) const |
|
841 { |
|
842 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFormatListL(), Entry ") |
|
843 |
|
844 User::LeaveIfError( DecodeFormatList( aMedia, aPayloadTypes ) ); |
|
845 |
|
846 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFormatListL(), Exit ") |
|
847 } |
|
848 |
|
849 // ----------------------------------------------------------------------------- |
|
850 // CMceMediaSdpCodec::DecodeFormatList |
|
851 // ----------------------------------------------------------------------------- |
|
852 // |
|
853 TInt CMceMediaSdpCodec::DecodeFormatList( |
|
854 CSdpMediaField& aMedia, |
|
855 RArray<TUint>& aPayloadTypes ) const |
|
856 { |
|
857 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFormatList(), Entry ") |
|
858 |
|
859 TInt index = 0; |
|
860 const TDesC8& payloadlist = aMedia.FormatList(); |
|
861 MCEMM_DEBUG_SVALUE( "decoded format list", payloadlist ) |
|
862 TLex8 payloads( payloadlist ); |
|
863 TInt error = KErrNone; |
|
864 |
|
865 while( error == KErrNone && !payloads.Eos() && index < KMceMaxPayloadTypes ) |
|
866 { |
|
867 TPtrC8 payload = payloads.NextToken(); |
|
868 TUint convertedUnit = 0; |
|
869 TLex8 lexConv( payload ); |
|
870 TInt err = lexConv.Val( convertedUnit, EDecimal ); |
|
871 if( err != KErrNone ) |
|
872 { |
|
873 error = err; |
|
874 break; |
|
875 } |
|
876 error = aPayloadTypes.Append( convertedUnit ); |
|
877 index++; |
|
878 } |
|
879 |
|
880 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeFormatList(), Exit ") |
|
881 |
|
882 return error; |
|
883 } |
|
884 |
|
885 // ----------------------------------------------------------------------------- |
|
886 // CMceMediaSdpCodec::DecodeRemoteRtcpFieldL |
|
887 // |
|
888 // a=rtcp:53020 IN IP4 126.16.64.4 |
|
889 // ----------------------------------------------------------------------------- |
|
890 // |
|
891 void CMceMediaSdpCodec::DecodeRemoteRtcpFieldL( |
|
892 CSdpMediaField& aMediaLine, |
|
893 CMceComMediaStream& aStream ) const |
|
894 { |
|
895 MCEMM_DEBUG( "CMceMediaSdpCodec::ParseRemoteRtcpFieldL(), Entry" ) |
|
896 |
|
897 RStringF rtcpAttributeName = iStringPool.OpenFStringL( KMceSdpAttrRtcp ); |
|
898 CleanupClosePushL( rtcpAttributeName ); |
|
899 _LIT8( KMatchIN,"*IN*" ); |
|
900 _LIT8( KMatchIp,"*IP*" ); |
|
901 |
|
902 RPointerArray<CSdpAttributeField>& attrfields = |
|
903 aMediaLine.AttributeFields(); |
|
904 |
|
905 for ( TInt i = 0; i < attrfields.Count(); i++ ) |
|
906 { |
|
907 CSdpAttributeField* attribute = attrfields[i]; |
|
908 if ( attribute->Attribute() == rtcpAttributeName ) |
|
909 { |
|
910 const TDesC8& value = attribute->Value(); |
|
911 TUint rtcpPort( 0 ); |
|
912 |
|
913 if ( value.Match( KMatchIN ) != KErrNotFound ) |
|
914 { |
|
915 // found remote IP4 RTCP address |
|
916 const TUint8 KAddrOffsetFromNetType = 4; |
|
917 TInt addr_offset = |
|
918 value.Match( KMatchIp ) + KAddrOffsetFromNetType; |
|
919 TPtrC8 remoteRtcpAddr = value.Mid( addr_offset ); |
|
920 |
|
921 const TUint8 KPortOffsetFromIP = 1; |
|
922 TInt port_offset = |
|
923 value.Match( KMatchIN ) - KPortOffsetFromIP; |
|
924 TPtrC8 remoteRtcpPort = value.Left( port_offset ); |
|
925 |
|
926 TLex8 lexPT( remoteRtcpPort ); |
|
927 User::LeaveIfError( lexPT.Val( rtcpPort, EDecimal ) ); |
|
928 // copy the address into correct format |
|
929 TBuf16 <KMaxAddressLength> input; |
|
930 input.Copy( remoteRtcpAddr ); |
|
931 |
|
932 MCEMM_DEBUG_SVALUE( "Found RTCP address", input ) |
|
933 |
|
934 aStream.SetRemoteRtcpMediaAddrL( input ); |
|
935 } |
|
936 else |
|
937 { |
|
938 // only port present |
|
939 TLex8 lexPT( value ); |
|
940 User::LeaveIfError ( lexPT.Val( rtcpPort, EDecimal ) ); |
|
941 } |
|
942 |
|
943 aStream.SetRemoteRtcpMediaPort( rtcpPort ); |
|
944 |
|
945 MCEMM_DEBUG_DVALUE( "RTCP Port", rtcpPort ) |
|
946 } |
|
947 } |
|
948 |
|
949 CleanupStack::PopAndDestroy( &rtcpAttributeName ); |
|
950 |
|
951 MCEMM_DEBUG( "CMceMediaSdpCodec::ParseRemoteRtcpFieldL(), Exit" ) |
|
952 } |
|
953 |
|
954 // ----------------------------------------------------------------------------- |
|
955 // CMceMediaSdpCodec::EncodelocalRtcpAttrL |
|
956 // |
|
957 // a=rtcp:53020 IN IP4 126.16.64.4 |
|
958 // ----------------------------------------------------------------------------- |
|
959 // |
|
960 void CMceMediaSdpCodec::EncodelocalRtcpAttrL( |
|
961 CSdpMediaField& aMediaLine, |
|
962 CMceComMediaStream& aStream ) const |
|
963 { |
|
964 MCEMM_DEBUG("CMceMediaSdpCodec::EncodelocalRtcpAttrL, Entry ") |
|
965 if ( aStream.Session() && aStream.Session()->UseRtcp() ) |
|
966 { |
|
967 MCEMM_DEBUG("RTCP attribute to be added") |
|
968 TBuf8<KMceSdpMaxMediaLineLength> rtcpAttrValue; |
|
969 rtcpAttrValue.Num( aStream.iLocalMediaPort + 1, EDecimal ); |
|
970 if ( !aStream.Session()->iLocalIpAddress.IsUnspecified() ) |
|
971 { |
|
972 CSdpConnectionField* connectionField = |
|
973 CSdpConnectionField::NewL( aStream.Session()->iLocalIpAddress ); |
|
974 CleanupStack::PushL( connectionField ); |
|
975 rtcpAttrValue.Append( KMceSdpSpace ); |
|
976 rtcpAttrValue.Append( connectionField->NetType().DesC() ); |
|
977 rtcpAttrValue.Append( KMceSdpSpace ); |
|
978 rtcpAttrValue.Append( connectionField->AddressType().DesC() ); |
|
979 rtcpAttrValue.Append( KMceSdpSpace ); |
|
980 rtcpAttrValue.Append( connectionField->Address() ); |
|
981 CleanupStack::PopAndDestroy( connectionField ); |
|
982 } |
|
983 RStringF attributeRtcp = |
|
984 SdpCodecStringPool::StringPoolL().OpenFStringL( KMceSdpAttrRtcp ); |
|
985 CleanupClosePushL( attributeRtcp ); |
|
986 |
|
987 CSdpAttributeField* rtcpLine = |
|
988 CSdpAttributeField::NewLC( attributeRtcp, rtcpAttrValue ); |
|
989 |
|
990 MCEMM_DEBUG_SVALUE("encoded rtcpPort", aStream.iLocalMediaPort + 1 ) |
|
991 |
|
992 aMediaLine.AttributeFields().AppendL( rtcpLine ); |
|
993 |
|
994 CleanupStack::Pop( rtcpLine ); |
|
995 CleanupStack::PopAndDestroy( ); //attributeRtcp |
|
996 } |
|
997 MCEMM_DEBUG("CMceMediaSdpCodec::EncodelocalRtcpAttrL, Exit ") |
|
998 } |
|
999 |
|
1000 // ----------------------------------------------------------------------------- |
|
1001 // CMceMediaSdpCodec::CleanAttributes |
|
1002 // ----------------------------------------------------------------------------- |
|
1003 // |
|
1004 void CMceMediaSdpCodec::CleanAttributes( CSdpMediaField& aMedia ) |
|
1005 { |
|
1006 MCEMM_DEBUG("CMceMediaSdpCodec::CleanAttributes(), Entry ") |
|
1007 |
|
1008 //clean attributes |
|
1009 aMedia.AttributeFields().ResetAndDestroy(); |
|
1010 |
|
1011 //clean format attributes |
|
1012 aMedia.FormatAttributeFields().ResetAndDestroy(); |
|
1013 |
|
1014 aMedia.BandwidthFields().ResetAndDestroy(); |
|
1015 |
|
1016 MCEMM_DEBUG("CMceMediaSdpCodec::CleanAttributes(), Exit ") |
|
1017 } |
|
1018 |
|
1019 // ----------------------------------------------------------------------------- |
|
1020 // CMceMediaSdpCodec::DecodeSecureSessionL |
|
1021 // ----------------------------------------------------------------------------- |
|
1022 // |
|
1023 void CMceMediaSdpCodec::DecodeSecureSessionL( |
|
1024 CSdpMediaField& aMediaLine, |
|
1025 CMceComMediaStream& aStream, |
|
1026 TMceNegotiationRole aRole, |
|
1027 TBool aUpdate ) |
|
1028 { |
|
1029 |
|
1030 CMceSecureMediaSession* secureSession = aStream.Session()->SecureSession(); |
|
1031 |
|
1032 if ( aRole == EMceRoleAnswerer && !aUpdate ) |
|
1033 { |
|
1034 aStream.Session()->SecureSessionL().DecodeSecureDesSdpOfferL( aStream, aMediaLine ); |
|
1035 if ( !aStream.Session()->iIsSecureSession ) |
|
1036 { |
|
1037 aStream.Session()->DeleteSecureSession(); |
|
1038 } |
|
1039 } |
|
1040 else if ( secureSession && aRole == EMceRoleAnswerer && aUpdate ) |
|
1041 { |
|
1042 // for long session |
|
1043 if ( secureSession->iKeyNeedUpdated ) |
|
1044 { |
|
1045 secureSession->DecodeSecureDesSdpUpdateL( aStream, aMediaLine ) ; |
|
1046 } |
|
1047 } |
|
1048 else if ( secureSession && aRole == EMceRoleOfferer ) |
|
1049 { |
|
1050 // for Long Session |
|
1051 //sendonly receive only sendandreceive |
|
1052 secureSession->DecodeSecureDesSdpAnswerL( aStream, aMediaLine ) ; |
|
1053 } |
|
1054 } |
|
1055 |
|
1056 // ----------------------------------------------------------------------------- |
|
1057 // CMceMediaSdpCodec::EncodeSecureSessionL |
|
1058 // ----------------------------------------------------------------------------- |
|
1059 // |
|
1060 void CMceMediaSdpCodec::EncodeSecureSessionL( |
|
1061 CMceComMediaStream& aStream, |
|
1062 CSdpMediaField& aMediaLine, |
|
1063 TMceNegotiationRole aRole ) |
|
1064 { |
|
1065 CMceSecureMediaSession* secureSession = aStream.Session()->SecureSession(); |
|
1066 |
|
1067 if ( secureSession ) |
|
1068 { |
|
1069 if ( aRole == EMceRoleOfferer ) |
|
1070 { |
|
1071 secureSession->EncodeSecureDesSdpOfferL( aStream, aMediaLine ); |
|
1072 } |
|
1073 else |
|
1074 { |
|
1075 secureSession->EncodeSecureDesSdpAnswerL( aStream, aMediaLine ); |
|
1076 } |
|
1077 } |
|
1078 } |
|
1079 |
|
1080 // ----------------------------------------------------------------------------- |
|
1081 // CMceMediaSdpCodec::DecodeDirectionL |
|
1082 // ----------------------------------------------------------------------------- |
|
1083 // |
|
1084 void CMceMediaSdpCodec::DecodeDirectionL( CSdpMediaField& aMediaLine, |
|
1085 CMceComMediaStream& aStream, |
|
1086 CSdpDocument& aSdpDocument, |
|
1087 TMceNegotiationRole aRole ) const |
|
1088 { |
|
1089 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeDirectionL(), Entry ") |
|
1090 |
|
1091 TInt rmt_direction = |
|
1092 Direction( aMediaLine, aSdpDocument.AttributeFields() ); |
|
1093 TInt loc_direction = aStream.Direction(); |
|
1094 |
|
1095 CSdpConnectionField* connectionField = aSdpDocument.ConnectionField(); |
|
1096 |
|
1097 CMceSdpSession& sSession = aStream.Session()->SdpSession(); |
|
1098 |
|
1099 CSdpConnectionField* nullAddress = |
|
1100 CSdpConnectionField::DecodeL( KMceSipNullAddressA ); |
|
1101 |
|
1102 CleanupStack::PushL( nullAddress ); |
|
1103 |
|
1104 TUint oldSchool = sSession.iOOldSchool; |
|
1105 TBool isNullAddress = EFalse; |
|
1106 if ( connectionField ) |
|
1107 { |
|
1108 isNullAddress = (connectionField->Address() == nullAddress->Address()); |
|
1109 } |
|
1110 |
|
1111 CleanupStack::PopAndDestroy( nullAddress ); |
|
1112 |
|
1113 //trying to guess other party direction if have got no direction |
|
1114 if ( rmt_direction == KErrNotFound || |
|
1115 ( rmt_direction == SdpCodecStringConstants::EAttributeSendonly && |
|
1116 loc_direction == SdpCodecStringConstants::EAttributeSendonly ) ) |
|
1117 |
|
1118 { |
|
1119 if ( aRole == EMceRoleOfferer ) |
|
1120 { |
|
1121 // did we try old school hold? |
|
1122 if ( oldSchool ) |
|
1123 { |
|
1124 if ( !isNullAddress ) |
|
1125 { |
|
1126 // ignore that other party didn't understand us |
|
1127 // and full cancel of old school process |
|
1128 sSession.iOOldSchool = 0; |
|
1129 sSession.iOOldSchoolProceeding = 0; |
|
1130 sSession.iOOldSchoolCompleted = 0; |
|
1131 } |
|
1132 |
|
1133 rmt_direction = SdpCodecStringConstants::EAttributeRecvonly; |
|
1134 oldSchool = 0; |
|
1135 } |
|
1136 else // didn't try old school yet |
|
1137 { |
|
1138 if ( isNullAddress ) |
|
1139 { |
|
1140 // assuming that other party wanna put us on hold |
|
1141 rmt_direction = SdpCodecStringConstants::EAttributeSendonly; |
|
1142 } |
|
1143 else if ( loc_direction == |
|
1144 SdpCodecStringConstants::EAttributeSendonly && |
|
1145 aStream.Session()->Modifier( KMceMediaDirection ) == |
|
1146 KMceMediaDirectionWithAddress ) |
|
1147 { |
|
1148 // failed to put other party on hold, trying old school |
|
1149 sSession.iOOldSchool = 1; |
|
1150 User::Leave( KMceErrOldSchool ); |
|
1151 } |
|
1152 else |
|
1153 { |
|
1154 // NOP |
|
1155 } |
|
1156 } |
|
1157 } |
|
1158 else // answerer |
|
1159 { |
|
1160 if ( isNullAddress ) |
|
1161 { |
|
1162 // other party puts us on hold |
|
1163 rmt_direction = SdpCodecStringConstants::EAttributeSendonly; |
|
1164 sSession.iIOldSchool = 1; |
|
1165 oldSchool = sSession.iIOldSchool; |
|
1166 } |
|
1167 else |
|
1168 { |
|
1169 rmt_direction = SdpCodecStringConstants::EAttributeSendrecv; |
|
1170 } |
|
1171 } |
|
1172 } |
|
1173 |
|
1174 sSession.iIOldSchool = oldSchool; |
|
1175 |
|
1176 // if unable to determine other party direction then just ignore that |
|
1177 if ( rmt_direction != KErrNotFound ) |
|
1178 { |
|
1179 // now checking for permitted directions |
|
1180 // inverse direction |
|
1181 TInt inv_dir = rmt_direction; |
|
1182 switch (inv_dir) |
|
1183 { |
|
1184 case SdpCodecStringConstants::EAttributeRecvonly: |
|
1185 { |
|
1186 inv_dir=SdpCodecStringConstants::EAttributeSendonly; |
|
1187 break; |
|
1188 } |
|
1189 case SdpCodecStringConstants::EAttributeSendonly: |
|
1190 { |
|
1191 inv_dir=SdpCodecStringConstants::EAttributeRecvonly; |
|
1192 break; |
|
1193 } |
|
1194 default: |
|
1195 { |
|
1196 break; |
|
1197 } |
|
1198 } |
|
1199 |
|
1200 // all directions are permitted for answerer and |
|
1201 // inactive is always accepted |
|
1202 if ( aRole == EMceRoleOfferer && |
|
1203 rmt_direction != SdpCodecStringConstants::EAttributeInactive ) |
|
1204 { |
|
1205 // other party has incompatible direction. terminate session. |
|
1206 if ( loc_direction != SdpCodecStringConstants::EAttributeSendrecv |
|
1207 && |
|
1208 loc_direction != inv_dir ) |
|
1209 { |
|
1210 User::Leave( KErrArgument ); |
|
1211 } |
|
1212 } |
|
1213 |
|
1214 if ( loc_direction != inv_dir ) |
|
1215 { |
|
1216 aStream.SetDirection( rmt_direction, KMceNoEndpointAdjustment ); |
|
1217 } |
|
1218 } |
|
1219 |
|
1220 MCEMM_DEBUG_SVALUE("decoded direction", |
|
1221 SDP_STRING( aStream.Direction() ).DesC() ) |
|
1222 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeDirectionL(), Exit ") |
|
1223 } |
|
1224 |
|
1225 // ----------------------------------------------------------------------------- |
|
1226 // CMceMediaSdpCodec::UpdateDirectionL |
|
1227 // ----------------------------------------------------------------------------- |
|
1228 // |
|
1229 |
|
1230 void CMceMediaSdpCodec::UpdateDirectionL( |
|
1231 CSdpMediaField& aMediaLine, |
|
1232 CMceComMediaStream& aStream, |
|
1233 CSdpDocument& aSdpDocument ) const |
|
1234 { |
|
1235 TInt direction = Direction( aMediaLine, aSdpDocument.AttributeFields() ); |
|
1236 CSdpConnectionField* connectionField = aSdpDocument.ConnectionField(); |
|
1237 if ( connectionField == NULL ) |
|
1238 { |
|
1239 connectionField = ( aMediaLine.ConnectionFields()[0] ) ; |
|
1240 } |
|
1241 |
|
1242 if ( connectionField->Address() == KMceSipNullAddress ) |
|
1243 { |
|
1244 direction = SdpCodecStringConstants::EAttributeSendonly; |
|
1245 } |
|
1246 UpdateStreamL( aStream, direction ); |
|
1247 aStream.SetDirection( direction, KMceNoEndpointAdjustment ); |
|
1248 } |
|
1249 |
|
1250 // ----------------------------------------------------------------------------- |
|
1251 // CMceMediaSdpCodec::EncodeDirectionL |
|
1252 // ----------------------------------------------------------------------------- |
|
1253 // |
|
1254 void CMceMediaSdpCodec::EncodeDirectionL( |
|
1255 CMceComMediaStream& aStream, |
|
1256 CSdpMediaField& aMedia, |
|
1257 CSdpDocument& aSdpDocument, |
|
1258 TMceNegotiationRole aRole ) const |
|
1259 { |
|
1260 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeDirectionL(), Entry ") |
|
1261 |
|
1262 CMceSdpSession& sSession = aStream.Session()->SdpSession(); |
|
1263 |
|
1264 if ( aRole == EMceRoleOfferer && |
|
1265 sSession.iOOldSchool && |
|
1266 aStream.Direction() != SdpCodecStringConstants::EAttributeSendrecv ) |
|
1267 |
|
1268 { |
|
1269 CSdpConnectionField* connField = |
|
1270 CSdpConnectionField::DecodeL( KMceSipNullAddressA ); |
|
1271 aSdpDocument.SetConnectionField( connField ); |
|
1272 MCEMM_DEBUG("using old school") |
|
1273 } |
|
1274 |
|
1275 else |
|
1276 { |
|
1277 RStringF direction = SDP_STRING( aStream.Direction() ); |
|
1278 |
|
1279 CSdpAttributeField* mediaAttr = |
|
1280 CSdpAttributeField::NewLC( direction, KNullDesC8 ); |
|
1281 |
|
1282 MCEMM_DEBUG_SVALUE("encoded direction", mediaAttr->Attribute().DesC() ) |
|
1283 |
|
1284 aMedia.AttributeFields().AppendL( mediaAttr ); |
|
1285 CleanupStack::Pop( mediaAttr ); |
|
1286 } |
|
1287 |
|
1288 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeDirectionL(), Exit ") |
|
1289 } |
|
1290 |
|
1291 // ----------------------------------------------------------------------------- |
|
1292 // CMceMediaSdpCodec::EncodePreconditionsL |
|
1293 // ----------------------------------------------------------------------------- |
|
1294 // |
|
1295 void CMceMediaSdpCodec::EncodePreconditionsL( |
|
1296 CMceComMediaStream& aStream, |
|
1297 CSdpMediaField& aMediaLine, |
|
1298 TMceNegotiationRole aRole ) const |
|
1299 { |
|
1300 CMceSecureMediaSession* secureSession = aStream.Session()->SecureSession(); |
|
1301 |
|
1302 if ( aStream.Session()->Modifier( KMcePreconditions ) == KMcePreconditionsSupported && |
|
1303 !secureSession) |
|
1304 { |
|
1305 if ( ( aRole == EMceRoleOfferer && |
|
1306 aStream.Session()->iUseLocalPreconditions ) || |
|
1307 ( aRole == EMceRoleAnswerer && |
|
1308 aStream.Session()->iUseRemotePreconditions ) ) |
|
1309 { |
|
1310 TMcePreconditions* precondition = aStream.PreconditionsL( KMcePreconditions ); |
|
1311 if ( precondition ) |
|
1312 { |
|
1313 precondition->EncodeL( aMediaLine ); |
|
1314 } |
|
1315 } |
|
1316 } |
|
1317 if ( aStream.Session()->Modifier( KMceSecPreconditions ) == KMcePreconditionsE2ESupported ) |
|
1318 { |
|
1319 TMcePreconditions* precondition = aStream.PreconditionsL( KMceSecPreconditions ); |
|
1320 if ( precondition ) |
|
1321 { |
|
1322 precondition->EncodeL( aMediaLine ); |
|
1323 } |
|
1324 } |
|
1325 } |
|
1326 |
|
1327 // ----------------------------------------------------------------------------- |
|
1328 // CMceMediaSdpCodec::DecodePreconditionsL |
|
1329 // ----------------------------------------------------------------------------- |
|
1330 // |
|
1331 TMceSipWarningCode CMceMediaSdpCodec::DecodePreconditionsL( |
|
1332 CSdpMediaField& aMediaLine, |
|
1333 CMceComMediaStream& aStream, |
|
1334 TMceNegotiationRole aRole ) const |
|
1335 { |
|
1336 MCEMM_DEBUG("CMceMediaSdpCodec::DecodePreconditionsL EntryL") |
|
1337 TMceSipWarningCode warning = KErrNone; |
|
1338 |
|
1339 if ( aStream.Session()->Modifier( KMcePreconditions ) == KMcePreconditionsSupported ) |
|
1340 { |
|
1341 if ( ( aRole == EMceRoleOfferer && |
|
1342 aStream.Session()->iUseLocalPreconditions ) || |
|
1343 ( aRole == EMceRoleAnswerer && |
|
1344 aStream.Session()->iUseRemotePreconditions ) ) |
|
1345 { |
|
1346 aStream.PreconditionsL( KMcePreconditions )->DecodeL( aMediaLine ); |
|
1347 |
|
1348 } |
|
1349 } |
|
1350 if ((aRole == EMceRoleOfferer && |
|
1351 aStream.Session()->iClientCryptoSuites.Count() |
|
1352 && aStream.Session()->Modifier( KMceSecPreconditions ) |
|
1353 == KMcePreconditionsE2ESupported ) |
|
1354 || ( aRole ==EMceRoleAnswerer && ( |
|
1355 aStream.Session()->iRemoteSecPreconditionsRequired || |
|
1356 aStream.Session()->iClientCryptoSuites.Count() ))) |
|
1357 |
|
1358 { |
|
1359 TMcePreconditions* precondition = |
|
1360 aStream.PreconditionsL( KMceSecPreconditions, &aMediaLine ); |
|
1361 |
|
1362 if ( !precondition ) |
|
1363 { |
|
1364 return KErrNone; |
|
1365 } |
|
1366 if ( warning && aStream.Preconditions().Count() ) |
|
1367 { |
|
1368 //normal segmented precondition cases |
|
1369 aStream.Session()->iRemoteSecPreconditionsRequired = EFalse; |
|
1370 aStream.Session()->Modifier( KMceSecPreconditions ) = |
|
1371 KMcePreconditionsNotUsed; |
|
1372 MCEMM_DEBUG("Secure preconds not used") |
|
1373 MCEMM_DEBUG("CMceMediaSdpCodec::DecodePreconditionsL Exit") |
|
1374 return KErrNone; |
|
1375 } |
|
1376 |
|
1377 if ( !precondition->IsMet() ) |
|
1378 { |
|
1379 MCEMM_DEBUG("Decode Secure Precondition") |
|
1380 warning = precondition->DecodeL( aMediaLine ); |
|
1381 } |
|
1382 warning = warning == KMceSipPreconditionFailure ? |
|
1383 warning : KErrNone; |
|
1384 MCEMM_DEBUG_DVALUE ("Decode Secure Precondition warning", warning ) |
|
1385 } |
|
1386 MCEMM_DEBUG("CMceMediaSdpCodec::DecodePreconditionsL Exit") |
|
1387 return warning; |
|
1388 } |
|
1389 |
|
1390 // ----------------------------------------------------------------------------- |
|
1391 // CMceMediaSdpCodec::EncodeClientAttributesL |
|
1392 // ----------------------------------------------------------------------------- |
|
1393 // |
|
1394 void CMceMediaSdpCodec::EncodeClientAttributesL( |
|
1395 CMceComMediaStream& aStream, |
|
1396 CSdpMediaField& aMediaLine ) const |
|
1397 { |
|
1398 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeClientAttributesL, Entry" ) |
|
1399 |
|
1400 CDesC8Array* clientAttributes = aStream.iLocalMediaSDPLines; |
|
1401 __ASSERT_ALWAYS( clientAttributes, User::Leave( KErrArgument ) ); |
|
1402 |
|
1403 CMceSdpCodec::EncodeClientSdpFieldsL<CSdpMediaField>( *clientAttributes, aMediaLine ); |
|
1404 |
|
1405 |
|
1406 MCEMM_DEBUG("CMceMediaSdpCodec::EncodeClientAttributesL, Exit" ) |
|
1407 } |
|
1408 |
|
1409 // ----------------------------------------------------------------------------- |
|
1410 // CMceMediaSdpCodec::DecodeClientAttributesL |
|
1411 // ----------------------------------------------------------------------------- |
|
1412 // |
|
1413 void CMceMediaSdpCodec::DecodeClientAttributesL( |
|
1414 CSdpMediaField& aMediaLine, |
|
1415 CMceComMediaStream& aStream ) const |
|
1416 { |
|
1417 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeClientAttributesL, Entry" ) |
|
1418 CDesC8Array* remoteAttributes = |
|
1419 new (ELeave) CDesC8ArrayFlat( KMceArrayGranularity ); |
|
1420 CleanupStack::PushL( remoteAttributes ); |
|
1421 CBufFlat* encodeBuf = NULL; |
|
1422 |
|
1423 for ( TInt i = 0; i < aMediaLine.AttributeFields().Count(); i++ ) |
|
1424 { |
|
1425 encodeBuf = CBufFlat::NewL( KMceExternalizeBufferExpandSize ); |
|
1426 CleanupStack::PushL( encodeBuf ); |
|
1427 RBufWriteStream writeStream( *encodeBuf, 0 ); |
|
1428 writeStream.PushL(); |
|
1429 |
|
1430 aMediaLine.AttributeFields()[ i ]->EncodeL( writeStream ); |
|
1431 MCEMM_DEBUG_SVALUE( "found attribute", encodeBuf->Ptr( 0 ) ) |
|
1432 remoteAttributes->AppendL( encodeBuf->Ptr( 0 ) ); |
|
1433 |
|
1434 CleanupStack::PopAndDestroy(); // writeStream |
|
1435 CleanupStack::PopAndDestroy( encodeBuf ); // encodeBuf |
|
1436 } |
|
1437 |
|
1438 for ( TInt i = 0; i < aMediaLine.BandwidthFields().Count(); i++ ) |
|
1439 { |
|
1440 |
|
1441 encodeBuf = CBufFlat::NewL( KMceExternalizeBufferExpandSize ); |
|
1442 CleanupStack::PushL( encodeBuf ); |
|
1443 RBufWriteStream writeStream( *encodeBuf, 0 ); |
|
1444 writeStream.PushL(); |
|
1445 |
|
1446 aMediaLine.BandwidthFields()[ i ]->EncodeL( writeStream ); |
|
1447 MCEMM_DEBUG_SVALUE("found attribute", encodeBuf->Ptr( 0 ) ) |
|
1448 remoteAttributes->AppendL( encodeBuf->Ptr( 0 ) ); |
|
1449 |
|
1450 CleanupStack::PopAndDestroy(); // writeStream |
|
1451 CleanupStack::PopAndDestroy( encodeBuf ); // encodeBuf |
|
1452 } |
|
1453 |
|
1454 if ( aStream.BoundStream() ) |
|
1455 { |
|
1456 MCEMM_DEBUG("copy attributes to bound stream" ) |
|
1457 // copy attributes to bound stream |
|
1458 CMceComMediaStream& boundStream = aStream.BoundStreamL(); |
|
1459 CDesC8Array* copyAttributes = |
|
1460 new (ELeave) CDesC8ArrayFlat( KMceArrayGranularity ); |
|
1461 CleanupStack::PushL( copyAttributes ); |
|
1462 for ( TInt i = 0; i < remoteAttributes->MdcaCount(); i++ ) |
|
1463 { |
|
1464 copyAttributes->AppendL( remoteAttributes->MdcaPoint( i ) ); |
|
1465 } |
|
1466 CleanupStack::Pop( copyAttributes ); |
|
1467 MCE_DELETE( boundStream.iRemoteMediaSDPLines ); |
|
1468 boundStream.iRemoteMediaSDPLines = copyAttributes; |
|
1469 } |
|
1470 |
|
1471 CleanupStack::Pop( remoteAttributes ); |
|
1472 MCE_DELETE( aStream.iRemoteMediaSDPLines ); |
|
1473 aStream.iRemoteMediaSDPLines = remoteAttributes; |
|
1474 MCEMM_DEBUG("CMceMediaSdpCodec::DecodeClientAttributesL, Exit" ) |
|
1475 } |
|
1476 |
|
1477 // ----------------------------------------------------------------------------- |
|
1478 // CMceMediaSdpCodec::ValidateSdp |
|
1479 // ----------------------------------------------------------------------------- |
|
1480 // |
|
1481 TMceSipWarningCode CMceMediaSdpCodec::ValidateSdpL( |
|
1482 CSdpMediaField& aMediaLine, |
|
1483 CSdpDocument& /*aSdpDocument*/ ) |
|
1484 { |
|
1485 TMceSipWarningCode warning = KErrNone; |
|
1486 RArray<TUint> payloadTypes; |
|
1487 TInt error = KErrNone; |
|
1488 RPointerArray< CSdpFmtAttributeField >& formatLines = |
|
1489 aMediaLine.FormatAttributeFields(); |
|
1490 |
|
1491 TInt dynamicPayloadsCount = 0; |
|
1492 TInt rtpmapCount = 0; |
|
1493 |
|
1494 error = DecodeFormatList( aMediaLine, payloadTypes ); |
|
1495 |
|
1496 User::LeaveIfError( error ); |
|
1497 |
|
1498 if ( error == KErrNone ) |
|
1499 { |
|
1500 TInt index = 0; |
|
1501 while( index < payloadTypes.Count() ) |
|
1502 { |
|
1503 dynamicPayloadsCount = payloadTypes[ index++ ] >= KMinDynamicPT ? |
|
1504 dynamicPayloadsCount + 1 : dynamicPayloadsCount; |
|
1505 } |
|
1506 index = 0; |
|
1507 while( index < formatLines.Count() ) |
|
1508 { |
|
1509 rtpmapCount = formatLines[ index++ ]->Attribute() == |
|
1510 SDP_STRING( SdpCodecStringConstants::EAttributeRtpmap ) ? |
|
1511 rtpmapCount + 1 : rtpmapCount; |
|
1512 } |
|
1513 |
|
1514 if ( dynamicPayloadsCount > 0 && rtpmapCount == 0 ) |
|
1515 { |
|
1516 warning = KMceSipBadRequest; |
|
1517 } |
|
1518 } |
|
1519 else |
|
1520 { |
|
1521 warning = KMceSipServerInternalError; |
|
1522 } |
|
1523 |
|
1524 payloadTypes.Close(); |
|
1525 |
|
1526 return warning; |
|
1527 } |
|
1528 |
|
1529 // ----------------------------------------------------------------------------- |
|
1530 // CMceMediaSdpCodec::DecodePayloadsL |
|
1531 // ----------------------------------------------------------------------------- |
|
1532 // |
|
1533 TInt CMceMediaSdpCodec::DecodePayloadsL( |
|
1534 CSdpMediaField& aMediaLine, |
|
1535 CMceComMediaStream& aStream, |
|
1536 TMceNegotiationRole aRole ) const |
|
1537 { |
|
1538 TInt decoded( 0 ); |
|
1539 |
|
1540 RArray<TUint> payloadTypes; |
|
1541 CleanupClosePushL( payloadTypes ); |
|
1542 |
|
1543 if ( aRole == EMceRoleAnswerer ) |
|
1544 { |
|
1545 decoded = DecodeRtpmapLinesL( aMediaLine, aStream, EMceRoleAnswerer ); |
|
1546 decoded += DecodeStaticPayloadsL( aMediaLine, aStream, payloadTypes, EMceRoleAnswerer ); |
|
1547 } |
|
1548 else |
|
1549 { |
|
1550 // static payloads are decoded first if role is offerer |
|
1551 decoded = DecodeStaticPayloadsL( aMediaLine, aStream, payloadTypes, EMceRoleOfferer ); |
|
1552 decoded += DecodeRtpmapLinesL( aMediaLine, aStream, EMceRoleOfferer ); |
|
1553 } |
|
1554 |
|
1555 UpdateSdpCodecIndexesL( aStream, payloadTypes ); |
|
1556 CleanupStack::PopAndDestroy( &payloadTypes ); |
|
1557 |
|
1558 return decoded; |
|
1559 } |
|
1560 |
|
1561 // ----------------------------------------------------------------------------- |
|
1562 // CMceMediaSdpCodec::UpdateSdpCodecIndexesL |
|
1563 // ----------------------------------------------------------------------------- |
|
1564 // |
|
1565 void CMceMediaSdpCodec::UpdateSdpCodecIndexesL( |
|
1566 CMceComMediaStream& aStream, |
|
1567 RArray<TUint>& aPayloadTypes ) const |
|
1568 { |
|
1569 TInt index( 0 ); |
|
1570 TInt codecSdpIndex( 0 ); |
|
1571 while( index < aPayloadTypes.Count() ) |
|
1572 { |
|
1573 TUint payload = aPayloadTypes[ index++ ]; |
|
1574 CMceComCodec* codec = FindCodec( payload, aStream ); |
|
1575 if ( codec ) |
|
1576 { |
|
1577 codec->iCodecSdpIndex = codecSdpIndex++; |
|
1578 } |
|
1579 } |
|
1580 } |
|
1581 |
|
1582 // ----------------------------------------------------------------------------- |
|
1583 // CMceMediaSdpCodec::GetCorrespondingFmtpLineL |
|
1584 // ----------------------------------------------------------------------------- |
|
1585 // |
|
1586 TPtrC8 CMceMediaSdpCodec::GetCorrespondingFmtpLineL( |
|
1587 CSdpMediaField& aMediaLine, |
|
1588 CSdpFmtAttributeField& aRtpMapFormatLine ) const |
|
1589 { |
|
1590 const TDesC8& payloadTypeInRtpMap = aRtpMapFormatLine.Format(); |
|
1591 TUint rtpMapPT = ConvertDesToUintL( payloadTypeInRtpMap ); |
|
1592 |
|
1593 RPointerArray< CSdpFmtAttributeField >& formatLines = |
|
1594 aMediaLine.FormatAttributeFields(); |
|
1595 |
|
1596 TPtrC8 fmtp( KNullDesC8() ); |
|
1597 TBool found( EFalse ); |
|
1598 for ( TInt j = 0; j < formatLines.Count() && !found; j++ ) |
|
1599 { |
|
1600 CSdpFmtAttributeField* formatLine = formatLines[ j ]; |
|
1601 if ( formatLine->Attribute() == |
|
1602 SDP_STRING( SdpCodecStringConstants::EAttributeFmtp ) ) |
|
1603 { |
|
1604 TUint fmtpPT = ConvertDesToUintL( formatLine->Format() ); |
|
1605 if ( rtpMapPT == fmtpPT ) |
|
1606 { |
|
1607 fmtp.Set( formatLine->Value() ); |
|
1608 found = ETrue; |
|
1609 } |
|
1610 } |
|
1611 } |
|
1612 return fmtp; |
|
1613 } |
|
1614 |
|
1615 // End of file |