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1 /* |
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2 * Copyright (c) 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: |
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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 CMCECOMMESSAGECODEC_H |
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22 #define CMCECOMMESSAGECODEC_H |
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23 |
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24 // INCLUDES |
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25 #include "mcecomcodec.h" |
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26 #include "mcecommessagestream.h" |
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27 |
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28 |
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29 // FUNCTION PROTOTYPES |
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30 |
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31 // CLASS DECLARATION |
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32 /** |
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33 * Container class for the codec information. |
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34 * |
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35 * @lib |
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36 * @since |
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37 */ |
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38 class CMceComMessageCodec : public CMceComCodec |
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39 { |
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40 |
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41 public: // Constructors and destructor |
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42 |
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43 /** |
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44 * Two-phased constructor. |
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45 * @param aSdpName sdp name |
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46 */ |
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47 static CMceComMessageCodec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName ); |
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48 |
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49 /** |
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50 * Two-phased constructor. |
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51 * @param aSdpName sdp name |
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52 */ |
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53 static CMceComMessageCodec* NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName ); |
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54 |
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55 /** |
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56 * Destructor. |
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57 */ |
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58 ~CMceComMessageCodec(); |
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59 |
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60 |
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61 public: // from CMceComCodec |
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62 |
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63 /** |
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64 * Internalizes flat data |
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65 * @param aReadStream read stream |
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66 */ |
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67 void InternalizeFlatL( RReadStream& aReadStream ); |
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68 |
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69 /** |
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70 * Externalizes flat data |
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71 * @param aWriteStream write stream |
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72 */ |
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73 void ExternalizeFlatL( RWriteStream& aWriteStream ); |
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74 |
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75 /** |
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76 * Updates this object |
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77 * @param aUpdate object updates this |
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78 */ |
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79 void UpdateL( CMceComCodec& aCodec ); |
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80 |
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81 public: //new functions |
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82 |
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83 /** |
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84 * Clones |
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85 */ |
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86 virtual CMceComMessageCodec* CloneL(); |
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87 |
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88 /** |
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89 * Factory |
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90 * @return factory |
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91 */ |
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92 static TMceComMessageCodecFactory Factory(); |
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93 |
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94 static TInt CompareSdpIndex( const CMceComMessageCodec& aIndex1, |
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95 const CMceComMessageCodec& aIndex2 ); |
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96 |
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97 #ifdef MCE_COMMON_SERVER_SIDE |
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98 |
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99 /** |
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100 * Assigns mcc codec |
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101 * @param aMccCodec mcc codec |
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102 * @return assigned codecs |
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103 */ |
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104 CMceComCodec& operator=( CMccCodecInformation& aMccCodec ); |
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105 |
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106 /** |
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107 * Decodes to mcc codec |
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108 * @param aMccCodec mcc codec |
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109 */ |
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110 void DoMccDecodeL( CMccCodecInformation& aMccCodec ); |
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111 |
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112 /** |
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113 * Encodes from mcc codec |
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114 * @param aMccCodec mcc codec |
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115 * @param aStream stream |
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116 */ |
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117 void DoMccEncodeL( CMccCodecInformation& aMccCodec, |
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118 CMceSrvStream& aStream ); |
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119 |
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120 /** |
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121 * Validates codec values based on mcc codec |
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122 * @param aMccCodec mcc codec |
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123 * @param aStream stream |
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124 * @param aRole role |
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125 */ |
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126 CMceComCodec* DoMccValidateL( CMccCodecInformation& aMccCodec, |
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127 CMceSrvStream& aStream, |
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128 TMceNegotiationRole aRole ); |
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129 |
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130 /** |
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131 * Adjust codec values based on mcc codec |
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132 * @param aMccCodec mcc codec |
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133 * @param aStream stream |
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134 */ |
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135 void DoMccAdjustL( CMccCodecInformation& aMccCodec, |
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136 CMceSrvStream& aStream ); |
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137 |
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138 /** |
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139 * Checks, if signalling is required |
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140 * @param aStream stream |
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141 * @param aMccCurentCodec current mcc codec |
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142 * @param aMccUpdateCodec to be used mcc codec |
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143 */ |
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144 TInt DoMccRequireSignalling( |
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145 const CMceSrvStream& aStream, |
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146 const CMccCodecInformation& aMccCurentCodec, |
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147 const CMccCodecInformation& aMccUpdateCodec ) const; |
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148 |
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149 |
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150 /** |
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151 * Checks, if signalling is required - MSRP capabilities |
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152 * @param aStream stream |
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153 * @param aMccCurentCodec current mcc codec |
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154 * @param aMccUpdateCodec to be used mcc codec |
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155 */ |
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156 TInt DoMccRequireSignalling( |
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157 const CMceSrvStream& aOldStream, |
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158 const CMceSrvStream& aCurrentStream, |
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159 const CMccCodecInformation& aMccCurentCodec, |
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160 const CMccCodecInformation& aMccUpdateCodec ) const; |
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161 |
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162 /** |
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163 * Populates mcc codec |
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164 * @param aMccCodec mcc codec |
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165 * @param aStream stream |
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166 * @param aRole role |
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167 */ |
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168 void MccPopulateL( CMccCodecInformation& aMccCodec, |
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169 CMceSrvStream& aStream, |
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170 TMceNegotiationRole aRole ); |
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171 |
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172 /** |
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173 * Updates codec based on mcc codec |
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174 * @param aMccCodec mcc codec |
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175 */ |
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176 void UpdateL( CMccCodecInformation& aMccCodec ); |
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177 |
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178 protected: // from CMceComCodec |
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179 |
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180 /** |
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181 * Set default fmtp line |
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182 */ |
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183 void DoSetDefaultFmtpAttributeL(); |
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184 |
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185 |
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186 |
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187 #endif//MCE_COMMON_SERVER_SIDE |
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188 |
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189 protected: |
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190 |
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191 /** |
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192 * C++ default constructor. |
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193 */ |
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194 CMceComMessageCodec(); |
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195 |
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196 /** |
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197 * second-phase copy constructor |
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198 */ |
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199 void ConstructL( CMceComMessageCodec& aCodec ); |
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200 |
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201 |
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202 /** |
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203 * second-phase copy constructor |
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204 */ |
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205 void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName ); |
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206 |
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207 |
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208 |
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209 public: // Owned serialized Data |
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210 |
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211 |
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212 |
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213 /** |
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214 * Enables or disables VAD |
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215 */ |
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216 TBool iEnableVAD; |
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217 |
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218 /** |
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219 * Sampling frequency used with codec |
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220 */ |
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221 TUint iSamplingFreq; |
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222 |
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223 /** |
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224 * Stream's packet time |
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225 */ |
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226 TUint iPTime; |
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227 |
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228 /** |
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229 * Stream's max packet time |
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230 */ |
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231 TUint iMaxPTime; |
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232 |
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233 |
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234 TInt iRedCount; |
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235 |
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236 TUint iRedPayloadType; |
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237 |
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238 }; |
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239 |
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240 |
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241 |
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242 #endif |
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243 |
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244 // End of File |