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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: MCC Comfort Noise CodecInformation |
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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 #include "mmcccodeccn.h" |
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23 #include "mccuids.hrh" |
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24 #include "mmccinterfacelogs.h" |
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25 |
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26 |
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27 // ============================= LOCAL FUNCTIONS =============================== |
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28 |
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29 |
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30 // ============================ MEMBER FUNCTIONS =============================== |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // CMccCodecCn::CMccCodecCn |
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34 // default constructor |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CMccCodecCn::CMccCodecCn() : CMccCodecInformation() |
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38 { |
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39 |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CMccCodecCn::ConstructL |
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44 // Symbian 2nd phase constructor can leave. |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 void CMccCodecCn::ConstructL() |
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48 { |
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49 iSdpName.Copy( KCnSdpName ); |
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50 |
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51 iFmtpAttr = HBufC8::NewL( 1 ); |
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52 TPtr8 ptr = iFmtpAttr->Des(); |
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53 ptr.Append( KNullDesC ); |
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54 |
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55 SetSamplingFreq( KCnSamplingFreq ); |
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56 EnableVAD( EFalse ); |
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57 SetMaxPTime( KCnMaxPTime ); // recommended "limit" 200ms |
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58 SetPTime( KCnPTime ); // default 20ms |
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59 SetPayloadType( KCnPayloadType ); |
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60 |
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61 iFourCC = KMccFourCCIdCN; |
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62 iCodecMode = ENothing; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CMccCodecCn::NewLC |
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67 // Static constructor. |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CMccCodecCn* CMccCodecCn::NewL() |
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71 { |
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72 CMccCodecCn* self = new (ELeave) CMccCodecCn; |
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73 CleanupStack::PushL( self ); |
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74 self->ConstructL(); |
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75 CleanupStack::Pop( self ); |
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76 return self; |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CMccCodecCn::~CMccCodecCn |
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81 // Destructor |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 CMccCodecCn::~CMccCodecCn() |
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85 { |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CMccCodecCn::RequireSignalling |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 TBool CMccCodecCn::RequireSignalling( |
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93 const CMccCodecInformation& aCandidate ) const |
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94 { |
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95 return CMccCodecInformation::RequireSignalling( aCandidate ); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CMccCodecCn::SetBitrate |
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100 // Sets the bitrate used with codec. |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 TInt CMccCodecCn::SetBitrate( TUint aBitrate ) |
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104 { |
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105 iBitrate = aBitrate; |
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106 return KErrNone; |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CMccCodecCn::SetSamplingFreq |
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111 // Sets the sampling frequency. |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 TInt CMccCodecCn::SetSamplingFreq( TUint32 aSamplingFreq ) |
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115 { |
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116 iSamplingFreq = aSamplingFreq; |
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117 return KErrNone; |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CMccCodecCn::SetSdpName |
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122 // Sets the SDP name |
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123 // ----------------------------------------------------------------------------- |
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124 TInt CMccCodecCn::SetSdpName( const TDesC8& aSdpName ) |
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125 { |
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126 if ( !aSdpName.CompareF( KCnSdpName ) ) |
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127 { |
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128 iSdpName.Copy( aSdpName ); |
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129 } |
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130 else |
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131 { |
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132 return KErrNotSupported; |
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133 } |
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134 |
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135 return KErrNone; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // CMccCodecCn::PayloadType |
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140 // Sets the payload type |
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141 // ----------------------------------------------------------------------------- |
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142 TInt CMccCodecCn::SetPayloadType( TUint8 aPayloadType ) |
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143 { |
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144 if ( aPayloadType == KCnPayloadType || |
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145 aPayloadType == KCnPayloadTypeReserved ) |
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146 { |
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147 iPayloadType = aPayloadType; |
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148 return KErrNone; |
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149 } |
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150 return KErrNotSupported; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CMccCodecCn::SetCodecMode |
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155 // Sets the codec mode |
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156 // ----------------------------------------------------------------------------- |
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157 TInt CMccCodecCn::SetCodecMode( TCodecMode aCodecMode ) |
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158 { |
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159 if ( ENothing == aCodecMode ) |
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160 { |
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161 iCodecMode = aCodecMode; |
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162 return KErrNone; |
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163 } |
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164 else |
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165 { |
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166 return KErrNotSupported; |
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167 } |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CMccCodecCn::EnableVAD |
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172 // |
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173 // ----------------------------------------------------------------------------- |
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174 TInt CMccCodecCn::EnableVAD( TBool aEnableVAD ) |
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175 { |
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176 iEnableVAD = aEnableVAD; |
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177 return KErrNone; |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CMccCodecCn::SetPTime |
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182 // |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 TInt CMccCodecCn::SetPTime( TUint aPTime ) |
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186 { |
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187 if ( aPTime && ( KMinPtime <= aPTime ) && ( aPTime <= KMaxPtime ) && |
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188 (( aPTime % KMinPtime ) == 0 )) |
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189 { |
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190 iPTime = aPTime; |
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191 return KErrNone; |
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192 } |
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193 else |
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194 { |
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195 return KErrNotSupported; |
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196 } |
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197 } |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 // CMccCodecCn::SetMaxPTime |
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201 // |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 TInt CMccCodecCn::SetMaxPTime( TUint aMaxPTime ) |
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205 { |
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206 if ( aMaxPTime && ( iPTime <= aMaxPTime )&& ( KMinPtime <= aMaxPTime ) && |
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207 ( aMaxPTime <= KMaxPtime ) && (( aMaxPTime % KMinPtime ) == 0 ) ) |
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208 { |
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209 iMaxPTime = aMaxPTime; |
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210 return KErrNone; |
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211 } |
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212 else |
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213 { |
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214 return KErrNotSupported; |
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215 } |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CMccCodecCn::SetAllowedBitrates |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 TInt CMccCodecCn::SetAllowedBitrates( TUint /*aBitrateMask*/ ) |
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223 { |
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224 return KErrNone; |
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225 } |
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226 |
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227 // ----------------------------------------------------------------------------- |
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228 // CMccCodecCn::CloneDefaultsL |
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229 // Make a default setting clone from this codec |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 CMccCodecInformation* CMccCodecCn::CloneDefaultsL() |
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233 { |
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234 return CMccCodecCn::NewL(); |
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235 } |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CMCCAMRCodec::CloneDetailedL |
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239 // Make a detailed clone from this codec |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 CMccCodecInformation* CMccCodecCn::CloneDetailedL() |
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243 { |
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244 CMccCodecCn* newCodec = CMccCodecCn::NewL(); |
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245 CleanupStack::PushL( newCodec ); |
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246 newCodec->SetBitrate( this->Bitrate() ); |
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247 newCodec->SetCodecMode( this->CodecMode() ); |
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248 newCodec->SetMaxPTime( this->MaxPTime() ); |
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249 newCodec->SetPayloadType( this->PayloadType() ); |
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250 newCodec->SetPTime( this->PTime() ); |
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251 newCodec->SetSamplingFreq( this->SamplingFreq() ); |
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252 newCodec->SetSdpName( this->SdpName() ); |
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253 newCodec->ParseFmtpAttrL( this->GetFmtpL() ); |
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254 CleanupStack::Pop( newCodec ); |
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255 return newCodec; |
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256 } |
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257 |
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258 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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259 |
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260 |
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261 // End of File |