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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 CMCECOMAUDIOSTREAM_H |
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22 #define CMCECOMAUDIOSTREAM_H |
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23 |
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24 #include <e32std.h> |
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25 #include "mcecommediastream.h" |
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26 |
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27 // FORWARD DECLARATIONS |
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28 |
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29 class CMceComAudioCodec; |
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30 |
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31 /** |
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32 * |
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33 * |
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34 * @lib |
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35 */ |
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36 class CMceComAudioStream : public CMceComMediaStream |
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37 { |
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38 |
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39 public: // Constructors and destructor |
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40 |
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41 /** |
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42 * Constructor |
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43 */ |
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44 static CMceComAudioStream* NewL(); |
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45 |
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46 /** |
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47 * Constructor |
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48 */ |
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49 static CMceComAudioStream* NewLC(); |
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50 |
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51 /** |
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52 * Destructor. |
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53 */ |
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54 ~CMceComAudioStream(); |
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55 |
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56 public: // Functions |
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57 |
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58 /** |
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59 * Adds codec to the stream. |
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60 * @param aCodec codec to be added to the stream. |
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61 * Ownership is transferred. |
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62 */ |
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63 void AddCodecL( CMceComCodec* aCodec ); |
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64 |
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65 /** |
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66 * Removes codec from the stream. |
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67 * @param aCodec codec to be added to the stream. |
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68 * Ownership is transferred. |
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69 */ |
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70 void RemoveCodecL( CMceComCodec* aCodec ); |
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71 |
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72 /** |
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73 * Return pointer to codec from the list of codecs. |
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74 * aIndex index of codec to get. |
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75 */ |
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76 CMceComAudioCodec* CodecL( TInt aIndex ) const; |
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77 |
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78 /** |
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79 * Returns number of codecs in the stream. |
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80 */ |
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81 TInt CodecCount() const; |
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82 |
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83 /** |
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84 * Returns the available codecs to the session. |
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85 * @return codecs available for the session. |
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86 */ |
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87 const RPointerArray<CMceComAudioCodec>& Codecs() const; |
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88 |
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89 public: // from CMceComMediaStream |
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90 |
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91 /** |
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92 * Internalizes flat data |
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93 * @param aReadStream read stream |
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94 */ |
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95 void InternalizeFlatL( RReadStream& aReadStream ); |
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96 |
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97 /** |
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98 * Externalizes flat data |
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99 * @param aWriteStream write stream |
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100 */ |
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101 void ExternalizeFlatL( RWriteStream& aWriteStream ); |
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102 |
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103 /** |
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104 * Internalizes |
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105 * @param aReadStream read stream |
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106 */ |
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107 void InternalizeL( MMceComSerializationContext& aSerCtx ); |
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108 |
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109 /** |
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110 * Externalizes |
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111 * @param aWriteStream write stream |
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112 */ |
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113 void ExternalizeL( MMceComSerializationContext& aSerCtx ); |
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114 |
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115 |
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116 public://from CMceComMediaStream |
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117 |
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118 |
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119 /** |
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120 * Initializes |
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121 * @param aParent the parent |
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122 */ |
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123 void InitializeL( CMceComSession& aParent ); |
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124 |
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125 /** |
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126 * Updates |
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127 * @param aStream new stream |
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128 */ |
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129 void UpdateL( CMceComMediaStream& aStream ); |
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130 |
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131 /** |
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132 * Clones |
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133 */ |
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134 CMceComMediaStream* CloneL(); |
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135 |
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136 void ReorderCodecs(); |
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137 |
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138 #ifdef MCE_COMMON_SERVER_SIDE |
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139 |
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140 /** |
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141 * Synchronizes stream's codecs |
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142 * @param aRoleAnswerer is answerer |
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143 */ |
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144 void SynchronizeL( TBool aRoleAnswerer ); |
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145 |
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146 /** |
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147 * Update default codec to reflect current negotiation |
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148 */ |
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149 void UpdateDefaultCodecL(); |
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150 |
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151 /** |
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152 * Prepares stream for offer/answer |
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153 */ |
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154 void PrepareL(); |
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155 |
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156 /** |
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157 * Return mcc stream type |
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158 * @return mcc stream type |
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159 */ |
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160 TInt MccStreamType() const; |
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161 |
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162 /** |
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163 * Return mcc link type |
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164 * @return mcc link type |
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165 */ |
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166 TInt MccLinkType() const; |
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167 |
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168 #endif//MCE_COMMON_SERVER_SIDE |
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169 |
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170 protected: // Functions |
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171 |
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172 /** |
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173 * Constructor |
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174 */ |
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175 CMceComAudioStream(); |
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176 |
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177 /** |
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178 * second-phase constructor |
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179 */ |
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180 void ConstructL(); |
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181 |
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182 /** |
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183 * second-phase copy constructor |
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184 */ |
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185 void ConstructL( CMceComAudioStream& aStream ); |
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186 |
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187 /** |
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188 * Searches for codec matching with input codec instance or sdp name |
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189 * @param aCodec the search term |
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190 * @return matching codec or NULL if not found |
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191 */ |
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192 CMceComCodec* FindCodecL( CMceComCodec& aCodec ); |
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193 |
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194 /** |
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195 * Find index of codec in the list of codecs. |
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196 * aCodec codec to search for. |
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197 */ |
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198 TInt FindCodecFromList( CMceComCodec* aCodec) const; |
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199 |
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200 /** |
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201 * Removes a codec from the list of codecs. |
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202 * @param aIndex index of codec to be removed. |
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203 */ |
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204 void RemoveCodecFromListL( TInt aIndex ); |
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205 |
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206 /** |
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207 * Clears list of codecs and deletes each codec in it. |
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208 */ |
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209 void DestroyCodecs(); |
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210 |
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211 protected: // Owned data |
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212 |
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213 /** |
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214 * codecs |
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215 */ |
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216 RPointerArray<CMceComAudioCodec> iCodecs; |
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217 |
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218 #ifdef EUNIT_TEST |
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219 friend class UT_CMceComAudioStream; |
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220 friend class UT_CMceMediaSdpCodec; |
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221 friend class UT_CMceAudioSdpCodec; |
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222 #endif |
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223 |
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224 }; |
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225 |
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226 |
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227 |
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228 #endif |