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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 #include "mcedtmfcodec.h" |
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22 #include "mcecomdtmfcodec.h" |
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23 |
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24 #ifdef MCE_COMMON_SERVER_SIDE |
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25 |
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26 #include <mmcccodecinformation.h> |
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27 #include "mcecomaudiostream.h" |
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28 #include "mcertpsink.h" |
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29 #include "mcertpsource.h" |
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30 #include "mcemmlogs.h" |
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31 |
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32 #endif //MCE_COMMON_SERVER_SIDE |
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33 |
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34 // ============================ MEMBER FUNCTIONS =============================== |
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35 |
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36 |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CMceComDtmfCodec::NewL |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CMceComDtmfCodec* CMceComDtmfCodec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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43 { |
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44 CMceComDtmfCodec* self = NewLC( aSdpName ); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CMceComDtmfCodec::NewLC |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CMceComDtmfCodec* CMceComDtmfCodec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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55 { |
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56 CMceComDtmfCodec* self = new (ELeave) CMceComDtmfCodec(); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL( aSdpName ); |
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59 return self; |
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60 } |
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61 |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CMceComDtmfCodec::~CMceComDtmfCodec |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 CMceComDtmfCodec::~CMceComDtmfCodec() |
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68 { |
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69 } |
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70 |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CMceComDtmfCodec::CMceComDtmfCodec |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 CMceComDtmfCodec::CMceComDtmfCodec() |
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77 : CMceComAudioCodec() |
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78 { |
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79 iFourCC = 0; |
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80 iEnableVAD = EFalse; |
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81 iSamplingFreq = KMceDtmfSamplingFreq; |
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82 iPTime = KMceDtmfDefaultPtime; |
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83 const TUint KMceDtmfDefaultMaxPtime = 200; |
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84 iMaxPTime = KMceDtmfDefaultMaxPtime; |
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85 iAllowedBitrates = KMceAllowedDtmfEvents0to15; |
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86 iPayloadType = KMceDefaultDtmfPayloadType; |
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87 iCodecMode = EMceOutbound; |
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88 } |
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89 |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // CMceComDtmfCodec::CloneL |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CMceComAudioCodec* CMceComDtmfCodec::CloneL() |
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96 { |
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97 CMceComDtmfCodec* copy = new (ELeave) CMceComDtmfCodec(); |
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98 CleanupStack::PushL( copy ); |
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99 copy->ConstructL( *this ); |
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100 CleanupStack::Pop( copy ); |
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101 return copy; |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CMceComDtmfCodec::ConstructL |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 void CMceComDtmfCodec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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109 { |
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110 CMceComAudioCodec::ConstructL( aSdpName ); |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CMceComDtmfCodec::ConstructL |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 void CMceComDtmfCodec::ConstructL( CMceComDtmfCodec& aCodec ) |
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118 { |
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119 CMceComAudioCodec::ConstructL( aCodec ); |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CMceComDtmfCodec::SetBitrate |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 TInt CMceComDtmfCodec::SetBitrate( TUint /*aBitrate*/ ) |
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127 { |
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128 return KErrNotSupported; |
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129 } |
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130 |
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131 // ----------------------------------------------------------------------------- |
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132 // CMceComDtmfCodec::SetAllowedBitrates |
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133 // ----------------------------------------------------------------------------- |
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134 // |
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135 TInt CMceComDtmfCodec::SetAllowedBitrates( TUint aBitrates ) |
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136 { |
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137 // Nothing else is supported at the moment |
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138 if( !( aBitrates == KMceAllowedDtmfEvents0to15 ) ) |
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139 { |
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140 return KErrArgument; |
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141 } |
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142 |
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143 return CMceComCodec::SetAllowedBitrates( aBitrates ); |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // CMceComDtmfCodec::SetCodecMode |
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148 // ----------------------------------------------------------------------------- |
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149 // |
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150 TInt CMceComDtmfCodec::SetCodecMode( TUint aCodecMode ) |
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151 { |
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152 if ( EMceOutbound == aCodecMode || EMceInbound == aCodecMode ) |
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153 { |
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154 iCodecMode = aCodecMode; |
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155 return KErrNone; |
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156 } |
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157 else |
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158 { |
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159 return KErrNotSupported; |
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160 } |
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161 } |
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162 |
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163 |
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164 // ----------------------------------------------------------------------------- |
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165 // CMceComDtmfCodec::SetPayloadType |
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166 // ----------------------------------------------------------------------------- |
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167 // |
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168 TInt CMceComDtmfCodec::SetPayloadType( TUint8 aPayloadType ) |
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169 { |
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170 if ( KMinDynPayloadType <= aPayloadType ) |
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171 { |
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172 return CMceComCodec::SetPayloadType( aPayloadType ); |
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173 } |
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174 else |
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175 { |
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176 return KErrNotSupported; |
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177 } |
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178 } |
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179 |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // CMceComDtmfCodec::GetMaxBitRate |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 TUint CMceComDtmfCodec::GetMaxBitRate() |
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186 { |
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187 return 0; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CMceComDtmfCodec::SetEnabled |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 void CMceComDtmfCodec::SetEnabled( TBool /*aIsEnabled*/ ) |
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195 { |
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196 // Dtmf codec cannot be disabled |
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197 } |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 // CMceComDtmfCodec::SendSupported |
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201 // ----------------------------------------------------------------------------- |
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202 // |
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203 TBool CMceComDtmfCodec::SendSupported() |
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204 { |
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205 return EFalse; |
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206 } |
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207 |
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208 #ifdef MCE_COMMON_SERVER_SIDE |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CMceComDtmfCodec::DoMccValidateL |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 CMceComCodec* CMceComDtmfCodec::DoMccValidateL( CMccCodecInformation& aMccCodec, |
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215 CMceSrvStream& /*aStream*/, |
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216 TMceNegotiationRole /*aRole*/ ) |
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217 { |
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218 //if answerer mcc codec represents the received offer and codec the answer |
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219 //if offerer codec represents the sent offer and mcc codec the answer |
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220 |
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221 TBool notValid = ( iAllowedBitrates && aMccCodec.AllowedBitrates() == 0 ); |
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222 |
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223 User::LeaveIfError( notValid ? KErrNotSupported : KErrNone ); |
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224 |
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225 return NULL; |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CMceComDtmfCodec::DoDecodeAudioL |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 |
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233 void CMceComDtmfCodec::DoDecodeAudioL( |
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234 TInt aCodecIndex, |
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235 RPointerArray<CMceSrvStream>& aStreams, |
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236 CMceComAudioStream& aAudio, |
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237 CMceMediaManager& aManager ) |
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238 { |
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239 // Special handling for dtmf codecs, need to create dummy source |
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240 // for dtmf uplink and dummy sink for dtmf downlink |
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241 // |
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242 if ( IS_RECEIVESTREAM( &aAudio ) ) |
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243 { |
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244 if ( aAudio.Source()->Type() == KMceRTPSource ) |
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245 { |
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246 CMceComMediaSink& emptySink = aAudio.EmptySinkL(); |
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247 CMceSrvStream* srvStream = |
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248 CMceSrvStream::NewL( aManager, |
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249 aAudio, |
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250 *aAudio.Source(), |
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251 emptySink, |
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252 *this ); |
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253 CleanupStack::PushL( srvStream ); |
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254 MCEMM_DEBUG_STREAM( "CMceComDtmfCodec::DoDecodeAudioL(): decoded dtmf downlink", |
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255 *srvStream ); |
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256 aStreams.AppendL( srvStream ); |
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257 CleanupStack::Pop( srvStream ); |
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258 } |
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259 } |
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260 else |
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261 { |
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262 CMceComMediaSink* rtpSink = NULL; |
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263 for( TInt sinkNdx = 0; sinkNdx < aAudio.Sinks().Count() && !rtpSink; sinkNdx++ ) |
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264 { |
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265 if ( aAudio.Sinks()[ sinkNdx ]->Type() == KMceRTPSink ) |
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266 { |
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267 rtpSink = aAudio.Sinks()[ sinkNdx ]; |
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268 } |
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269 } |
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270 if ( rtpSink ) |
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271 { |
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272 CMceComMediaSource& emptySource = aAudio.EmptySourceL(); |
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273 CMceSrvStream* srvStream = |
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274 CMceSrvStream::NewL( aManager, |
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275 aAudio, |
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276 emptySource, |
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277 *rtpSink, |
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278 *this ); |
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279 CleanupStack::PushL( srvStream ); |
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280 MCEMM_DEBUG_STREAM( "CMceComDtmfCodec::DoDecodeAudioL(): decoded dtmf uplink", |
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281 *srvStream ); |
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282 aStreams.AppendL( srvStream ); |
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283 CleanupStack::Pop( srvStream ); |
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284 } |
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285 } |
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286 |
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287 // As dtmf cannot be used for streaming, select some other codec |
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288 // for sending. |
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289 |
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290 const TInt codecCount = aAudio.CodecCount(); |
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291 |
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292 for ( TInt i = 0 ; i < codecCount ; ++i ) |
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293 { |
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294 UpdateSendCodec( aCodecIndex, aAudio, *aAudio.CodecL( i ) ); |
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295 } |
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296 } |
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297 |
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298 #endif |
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299 |
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300 // End of File |
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301 |
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302 |