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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 __INTERFACE( "CMccCodecCn::RequireSignalling" ) |
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96 |
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97 const CMccCodecCn& candidate = static_cast<const CMccCodecCn&>( aCandidate ); |
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98 |
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99 TBool ret = EFalse; |
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100 |
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101 if ( iPTime != candidate.PTime() ) |
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102 { |
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103 __INTERFACE( "CMccCodecCn::RequireSignalling, PTime changed" ) |
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104 ret = ETrue; |
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105 } |
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106 |
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107 if ( iMaxPTime != candidate.MaxPTime() ) |
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108 { |
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109 __INTERFACE( "CMccCodecCn::RequireSignalling, MaxPTime changed" ) |
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110 ret = ETrue; |
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111 } |
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112 |
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113 if ( iPayloadType != candidate.PayloadType() ) |
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114 { |
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115 __INTERFACE( "CMccCodecCn::RequireSignalling, PayloadType changed" ) |
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116 ret = ETrue; |
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117 } |
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118 |
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119 if ( iCodecMode != candidate.CodecMode() ) |
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120 { |
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121 __INTERFACE( "CMccCodecCn::RequireSignalling, CodecMode changed" ) |
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122 ret = ETrue; |
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123 } |
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124 |
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125 __INTERFACE_INT1( "CMccCodecCn::RequireSignalling, exit with", ret ) |
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126 return ret; |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CMccCodecCn::SetBitrate |
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131 // Sets the bitrate used with codec. |
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132 // ----------------------------------------------------------------------------- |
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133 // |
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134 TInt CMccCodecCn::SetBitrate( TUint aBitrate ) |
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135 { |
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136 iBitrate = aBitrate; |
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137 return KErrNone; |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CMccCodecCn::SetSamplingFreq |
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142 // Sets the sampling frequency. |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 TInt CMccCodecCn::SetSamplingFreq( TUint32 aSamplingFreq ) |
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146 { |
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147 iSamplingFreq = aSamplingFreq; |
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148 return KErrNone; |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CMccCodecCn::SetSdpName |
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153 // Sets the SDP name |
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154 // ----------------------------------------------------------------------------- |
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155 TInt CMccCodecCn::SetSdpName( const TDesC8& aSdpName ) |
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156 { |
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157 if ( !aSdpName.CompareF( KCnSdpName ) ) |
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158 { |
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159 iSdpName.Copy( aSdpName ); |
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160 } |
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161 else |
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162 { |
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163 return KErrNotSupported; |
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164 } |
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165 |
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166 return KErrNone; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CMccCodecCn::PayloadType |
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171 // Sets the payload type |
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172 // ----------------------------------------------------------------------------- |
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173 TInt CMccCodecCn::SetPayloadType( TUint8 aPayloadType ) |
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174 { |
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175 if ( aPayloadType == KCnPayloadType || |
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176 aPayloadType == KCnPayloadTypeReserved ) |
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177 { |
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178 iPayloadType = aPayloadType; |
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179 return KErrNone; |
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180 } |
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181 return KErrNotSupported; |
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182 } |
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183 |
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184 // ----------------------------------------------------------------------------- |
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185 // CMccCodecCn::SetCodecMode |
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186 // Sets the codec mode |
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187 // ----------------------------------------------------------------------------- |
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188 TInt CMccCodecCn::SetCodecMode( TCodecMode aCodecMode ) |
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189 { |
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190 if ( ENothing == aCodecMode ) |
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191 { |
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192 iCodecMode = aCodecMode; |
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193 return KErrNone; |
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194 } |
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195 else |
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196 { |
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197 return KErrNotSupported; |
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198 } |
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199 } |
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200 |
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201 // ----------------------------------------------------------------------------- |
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202 // CMccCodecCn::EnableVAD |
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203 // |
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204 // ----------------------------------------------------------------------------- |
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205 TInt CMccCodecCn::EnableVAD( TBool aEnableVAD ) |
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206 { |
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207 iEnableVAD = aEnableVAD; |
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208 return KErrNone; |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // CMccCodecCn::SetPTime |
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213 // |
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214 // ----------------------------------------------------------------------------- |
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215 // |
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216 TInt CMccCodecCn::SetPTime( TUint aPTime ) |
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217 { |
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218 if ( aPTime && ( KMinPtime <= aPTime ) && ( aPTime <= KMaxPtime ) && |
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219 (( aPTime % KMinPtime ) == 0 )) |
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220 { |
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221 iPTime = aPTime; |
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222 return KErrNone; |
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223 } |
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224 else |
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225 { |
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226 return KErrNotSupported; |
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227 } |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CMccCodecCn::SetMaxPTime |
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232 // |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 TInt CMccCodecCn::SetMaxPTime( TUint aMaxPTime ) |
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236 { |
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237 if ( aMaxPTime && ( iPTime <= aMaxPTime )&& ( KMinPtime <= aMaxPTime ) && |
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238 ( aMaxPTime <= KMaxPtime ) && (( aMaxPTime % KMinPtime ) == 0 ) ) |
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239 { |
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240 iMaxPTime = aMaxPTime; |
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241 return KErrNone; |
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242 } |
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243 else |
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244 { |
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245 return KErrNotSupported; |
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246 } |
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247 } |
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248 |
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249 // ----------------------------------------------------------------------------- |
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250 // CMccCodecCn::SetAllowedBitrates |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 TInt CMccCodecCn::SetAllowedBitrates( TUint /*aBitrateMask*/ ) |
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254 { |
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255 return KErrNone; |
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256 } |
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257 |
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258 // ----------------------------------------------------------------------------- |
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259 // CMccCodecCn::CloneDefaultsL |
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260 // Make a default setting clone from this codec |
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261 // ----------------------------------------------------------------------------- |
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262 // |
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263 CMccCodecInformation* CMccCodecCn::CloneDefaultsL() |
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264 { |
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265 return CMccCodecCn::NewL(); |
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266 } |
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267 |
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268 // ----------------------------------------------------------------------------- |
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269 // CMCCAMRCodec::CloneDetailedL |
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270 // Make a detailed clone from this codec |
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271 // ----------------------------------------------------------------------------- |
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272 // |
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273 CMccCodecInformation* CMccCodecCn::CloneDetailedL() |
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274 { |
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275 CMccCodecCn* newCodec = CMccCodecCn::NewL(); |
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276 CleanupStack::PushL( newCodec ); |
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277 newCodec->SetBitrate( this->Bitrate() ); |
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278 newCodec->SetCodecMode( this->CodecMode() ); |
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279 newCodec->SetMaxPTime( this->MaxPTime() ); |
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280 newCodec->SetPayloadType( this->PayloadType() ); |
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281 newCodec->SetPTime( this->PTime() ); |
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282 newCodec->SetSamplingFreq( this->SamplingFreq() ); |
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283 newCodec->SetSdpName( this->SdpName() ); |
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284 newCodec->ParseFmtpAttrL( this->GetFmtpL() ); |
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285 CleanupStack::Pop( newCodec ); |
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286 return newCodec; |
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287 } |
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288 |
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289 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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290 |
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291 |
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292 // End of File |