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1 /* |
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2 * Copyright (c) 2002-2004 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 DTMF 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 |
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22 // INCLUDE FILES |
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23 #include "mmcccodecdtmf.h" |
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24 #include "mccuids.hrh" |
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25 #include "mmccinterfacelogs.h" |
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26 #include "mccinternalcodecs.h" |
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27 |
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28 // EXTERNAL DATA STRUCTURES |
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29 |
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30 // EXTERNAL FUNCTION PROTOTYPES |
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31 |
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32 // CONSTANTS |
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33 const TUint KDefaultSamplingFreq = 8000; |
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34 const TInt KMaxFmtpAttrLength( 50 ); |
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35 |
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36 const TText8 KCharComma = ','; |
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37 const TText8 KCharHyphen = '-'; |
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38 const TText8 KCharSpace = ' '; |
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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 // MACROS |
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44 |
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45 // LOCAL CONSTANTS AND MACROS |
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46 |
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47 // MODULE DATA STRUCTURES |
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48 |
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49 // LOCAL FUNCTION PROTOTYPES |
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50 |
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51 // FORWARD DECLARATIONS |
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52 |
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53 // ============================= LOCAL FUNCTIONS =============================== |
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54 |
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55 // ============================ MEMBER FUNCTIONS =============================== |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CMccCodecDTMF::CMccCodecDTMF |
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59 // C++ default constructor can NOT contain any code, that |
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60 // might leave. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 CMccCodecDTMF::CMccCodecDTMF() : CMccCodecInformation() |
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64 { |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CMccCodecDTMF::ConstructL |
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69 // Symbian 2nd phase constructor can leave. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 void CMccCodecDTMF::ConstructL() |
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73 { |
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74 iSdpName.Copy( KTelephoneEvent ); |
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75 |
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76 iFmtpAttr = HBufC8::NewL( KMaxFmtpAttrLength ); |
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77 SetPTime( KDTMFPTime ); |
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78 SetPayloadType( KDefaultDtmfPT ); |
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79 SetCodecMode( EDTMFModeEvent ); |
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80 SetSamplingFreq( KDefaultSamplingFreq ); |
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81 SetAllowedBitrates( KMccAllowedDtmfNumberALL ); |
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82 iFourCC = KMccFourCCIdDTMF; |
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83 |
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84 iPayloadFormatEncoder = KImplUidDTMFPayloadFormatEncode; |
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85 iPayloadFormatDecoder = KImplUidDTMFPayloadFormatDecode; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CMccCodecDTMF::NewL |
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90 // Two-phased constructor. |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 CMccCodecDTMF* CMccCodecDTMF::NewL() |
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94 { |
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95 CMccCodecDTMF* self = new( ELeave ) CMccCodecDTMF; |
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96 |
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97 CleanupStack::PushL( self ); |
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98 self->ConstructL(); |
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99 CleanupStack::Pop( self ); |
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100 |
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101 return self; |
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102 } |
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103 |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CMccCodecDTMF::~CMccCodecDTMF |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 CMccCodecDTMF::~CMccCodecDTMF() |
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110 { |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CMccCodecDTMF::RequireSignalling |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 TBool CMccCodecDTMF::RequireSignalling( |
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118 const CMccCodecInformation& aCandidate ) const |
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119 { |
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120 return CMccCodecInformation::RequireSignalling( aCandidate ); |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CMccCodecDTMF::SetBitrate |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 TInt CMccCodecDTMF::SetBitrate( TUint aBitrate ) |
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128 { |
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129 return ( aBitrate > 0 ) ? KErrNotSupported : KErrNone; |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CMccCodecDTMF::SetSamplingFreq |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 TInt CMccCodecDTMF::SetSamplingFreq( TUint32 aSamplingFreq ) |
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137 { |
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138 return ( KDefaultSamplingFreq != aSamplingFreq ) ? KErrNotSupported : KErrNone; |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // CMccCodecDTMF::SetSdpName |
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143 // Sets the SDP name |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 TInt CMccCodecDTMF::SetSdpName( const TDesC8& aSdpName ) |
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147 { |
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148 if ( 0 == aSdpName.CompareF( KTelephoneEvent ) ) |
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149 { |
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150 iSdpName.Copy( aSdpName ); |
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151 } |
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152 else |
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153 { |
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154 return KErrNotSupported; |
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155 } |
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156 |
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157 return KErrNone; |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // CMccCodecDTMF::PayloadType |
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162 // Sets the payload type |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 TInt CMccCodecDTMF::SetPayloadType( TUint8 aPayloadType ) |
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166 { |
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167 if ( aPayloadType < KMinDynamicPT || |
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168 aPayloadType > KMaxPayloadType ) |
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169 { |
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170 return KErrNotSupported; |
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171 } |
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172 else |
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173 { |
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174 iPayloadType = aPayloadType; |
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175 } |
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176 |
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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 // CMccCodecDTMF::SetCodecMode |
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182 // Sets the codec mode. |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 TInt CMccCodecDTMF::SetCodecMode( TCodecMode aCodecMode ) |
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186 { |
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187 if ( EDTMFModeEvent == aCodecMode ) |
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188 { |
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189 iCodecMode = aCodecMode; |
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190 return KErrNone; |
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191 } |
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192 else if( EDTMFModeInband == aCodecMode ) |
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193 { |
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194 iCodecMode = aCodecMode; |
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195 return KErrNone; |
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196 } |
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197 else |
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198 { |
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199 return KErrNotSupported; |
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200 } |
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201 } |
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202 |
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203 // ----------------------------------------------------------------------------- |
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204 // CMccCodecDTMF::SetAllowedBitrates |
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205 // ----------------------------------------------------------------------------- |
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206 // |
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207 TInt CMccCodecDTMF::SetAllowedBitrates( TUint aBitrateMask ) |
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208 { |
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209 if ( (aBitrateMask >> 16 ) > 0 ) |
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210 { |
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211 return KErrArgument; |
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212 } |
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213 else |
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214 { |
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215 iBitrateMask = KMccAllowedDtmfNumberALL; |
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216 iBitrateMask &= aBitrateMask; |
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217 } |
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218 |
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219 return KErrNone; |
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220 |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CMccCodecDTMF::EnableVAD |
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225 // Enable / Disable VAD |
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226 // ----------------------------------------------------------------------------- |
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227 // |
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228 TInt CMccCodecDTMF::EnableVAD( TBool aEnableVAD ) |
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229 { |
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230 return aEnableVAD ? KErrNotSupported : KErrNone; |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CMccCodecDTMF::SetPTime |
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235 // Set PTime |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 TInt CMccCodecDTMF::SetPTime( TUint aPTime ) |
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239 { |
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240 if ( ( aPTime <= 200 ) && (( aPTime % 10 ) == 0 )) |
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241 { |
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242 iPTime = aPTime; |
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243 return KErrNone; |
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244 } |
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245 else |
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246 { |
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247 return KErrNotSupported; |
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248 } |
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249 } |
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250 |
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251 // ----------------------------------------------------------------------------- |
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252 // CMccCodecDTMF::SetMaxPTime |
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253 // Set Max PTime |
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254 // ----------------------------------------------------------------------------- |
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255 // |
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256 TInt CMccCodecDTMF::SetMaxPTime( TUint aMaxPTime ) |
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257 { |
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258 if ( ( aMaxPTime <= 200 ) && (( aMaxPTime % 10 ) == 0 )) |
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259 { |
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260 iMaxPTime = aMaxPTime; |
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261 return KErrNone; |
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262 } |
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263 else |
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264 { |
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265 return KErrNotSupported; |
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266 } |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CMccCodecDTMF::CloneDefaultsL |
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271 // Make a default setting clone from this DTMF codec |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 CMccCodecInformation* CMccCodecDTMF::CloneDefaultsL() |
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275 { |
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276 return CMccCodecDTMF::NewL(); |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CMccCodecDTMF::CloneDetailedL |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 CMccCodecInformation* CMccCodecDTMF::CloneDetailedL() |
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284 { |
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285 CMccCodecDTMF* newCodec = CMccCodecDTMF::NewL(); |
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286 CleanupStack::PushL( newCodec ); |
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287 newCodec->SetBitrate( this->Bitrate() ); |
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288 newCodec->SetAllowedBitrates( this->AllowedBitrates() ); |
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289 newCodec->SetCodecMode( this->CodecMode() ); |
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290 newCodec->SetMaxPTime( this->MaxPTime() ); |
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291 newCodec->SetPayloadType( this->PayloadType() ); |
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292 newCodec->SetPTime( this->PTime() ); |
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293 newCodec->SetSamplingFreq( this->SamplingFreq() ); |
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294 newCodec->SetSdpName( this->SdpName() ); |
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295 CleanupStack::Pop( newCodec ); |
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296 return newCodec; |
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297 } |
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298 |
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299 // ----------------------------------------------------------------------------- |
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300 // CMccCodecDTMF::GetFmtpL |
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301 // ----------------------------------------------------------------------------- |
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302 // |
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303 TDesC8& CMccCodecDTMF::GetFmtpL() |
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304 { |
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305 __INTERFACE( "CMccCodecDTMF::GetFmtpL" ) |
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306 |
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307 delete iFmtpAttr; |
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308 iFmtpAttr = NULL; |
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309 |
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310 CreateFmtpAttrListL(); |
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311 |
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312 __INTERFACE( "CMccCodecDTMF::GetFmtpL, exit" ) |
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313 |
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314 return *iFmtpAttr; |
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315 } |
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316 |
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317 // ----------------------------------------------------------------------------- |
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318 // CMccCodecDTMF::CreateFmtpAttrListL |
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319 // ----------------------------------------------------------------------------- |
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320 // |
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321 void CMccCodecDTMF::CreateFmtpAttrListL() |
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322 { |
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323 __INTERFACE( "CMccCodecDTMF::CreateFmtpAttrListL" ) |
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324 |
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325 RArray<TUint> toneNumbers; |
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326 CleanupClosePushL( toneNumbers ); |
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327 |
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328 GetAllowedToneNumbersArrayL( toneNumbers ); |
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329 CreateFmtpAttrListL( toneNumbers ); |
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330 |
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331 CleanupStack::PopAndDestroy(); // toneNumbers |
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332 |
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333 __INTERFACE( "CMccCodecDTMF::CreateFmtpAttrListL, exit" ) |
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334 |
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335 } |
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336 |
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337 // ----------------------------------------------------------------------------- |
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338 // CMccCodecDTMF::ParseFmtpAttrL |
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339 // ----------------------------------------------------------------------------- |
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340 // |
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341 TBool CMccCodecDTMF::ParseFmtpAttrL( const TDesC8& aFmtp ) |
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342 { |
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343 __INTERFACE( "CMccCodecDTMF::ParseFmtpAttrL" ) |
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344 __INTERFACE_STR( "CMccCodecDTMF::ParseFmtpAttrL, fmtpValue=", aFmtp ) |
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345 |
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346 /* |
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347 a=fmtp:<format> <list of values> |
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348 The list of values consists of comma-separated elements, which can be |
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349 either a single decimal number or two decimal numbers separated by a |
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350 hyphen (dash), where the second number is larger than the first. No |
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351 whitespace is allowed between numbers or hyphens. The list does not |
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352 have to be sorted. |
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353 */ |
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354 |
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355 TBool updated = EFalse; |
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356 |
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357 if ( aFmtp.Length() > 0 ) |
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358 { |
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359 // white space is not allowed |
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360 if ( aFmtp.Locate( KCharSpace ) >= 0 ) |
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361 { |
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362 User::Leave( KErrArgument ); |
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363 } |
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364 |
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365 CPtrC8Array* tokens = TokenizeL( aFmtp, KCharComma ); |
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366 CleanupStack::PushL( tokens ); |
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367 |
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368 // Mask will be updated while parsing |
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369 iBitrateMask = 0; |
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370 |
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371 updated = EncodeTokensL( *tokens ); |
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372 |
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373 CleanupStack::PopAndDestroy( tokens ); |
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374 } |
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375 |
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376 __INTERFACE( "CMccCodecDTMF::ParseFmtpAttrL, exit" ) |
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377 |
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378 return updated; |
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379 } |
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380 |
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381 // ----------------------------------------------------------------------------- |
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382 // CMccCodecDTMF::TokenizeL |
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383 // ----------------------------------------------------------------------------- |
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384 // |
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385 CPtrC8Array* CMccCodecDTMF::TokenizeL( const TDesC8& aValue, |
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386 const TChar& aSeparator ) |
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387 { |
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388 __INTERFACE( "CMccCodecDTMF::TokenizeLC" ) |
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389 |
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390 __ASSERT_ALWAYS ( aValue.Length() > 0, User::Leave(KErrArgument) ); |
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391 __ASSERT_ALWAYS ( aSeparator == KCharComma, User::Leave(KErrArgument) ); |
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392 |
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393 CPtrC8Array* tokens = new (ELeave) CPtrC8Array(1); |
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394 CleanupStack::PushL( tokens ); |
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395 |
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396 TLex8 lex(aValue); |
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397 TChar chr = lex.Get(); |
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398 TInt previuosCommaPos = -1; |
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399 TInt currentCommaPos = 0; |
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400 |
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401 while ( chr ) |
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402 { |
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403 // seperator (comma ',') found |
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404 if (chr == aSeparator) |
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405 { |
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406 AddTokenL( *tokens, aValue, previuosCommaPos+1, currentCommaPos-1 ); |
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407 |
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408 previuosCommaPos = currentCommaPos; |
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409 } |
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410 chr = lex.Get(); |
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411 |
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412 currentCommaPos++; |
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413 } |
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414 |
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415 // the token is last one or first one without comma found |
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416 if ( ( currentCommaPos - previuosCommaPos ) > 1 ) |
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417 { |
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418 AddTokenL( *tokens, aValue, previuosCommaPos+1, currentCommaPos-1 ); |
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419 } |
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420 else // token error |
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421 { |
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422 User::Leave( KErrArgument ); |
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423 } |
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424 |
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425 CleanupStack::Pop( tokens ); |
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426 |
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427 __INTERFACE( "CMccCodecDTMF::TokenizeLC, exit" ) |
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428 |
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429 return tokens; |
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430 } |
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431 |
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432 // ----------------------------------------------------------------------------- |
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433 // CMccCodecDTMF::AddTokenL |
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434 // ----------------------------------------------------------------------------- |
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435 // |
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436 void CMccCodecDTMF::AddTokenL ( CPtrC8Array& aTokenArray, |
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437 const TDesC8& aValue, |
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438 TInt aTokenStartPos, |
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439 TInt aTokenEndPos ) |
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440 { |
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441 __INTERFACE( "CMccCodecDTMF::AddTokenL" ) |
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442 |
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443 __ASSERT_ALWAYS ( aTokenStartPos >= 0, User::Leave(KErrArgument) ); |
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444 __ASSERT_ALWAYS ( aTokenEndPos >= 0, User::Leave(KErrArgument) ); |
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445 __ASSERT_ALWAYS ( aTokenStartPos <= aTokenEndPos, User::Leave(KErrArgument) ); |
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446 |
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447 TUint8 tokenlength = aTokenEndPos - aTokenStartPos + 1; |
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448 TPtrC8 token ( aValue.Mid( aTokenStartPos , tokenlength ) ); |
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449 |
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450 aTokenArray.AppendL(token); |
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451 |
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452 __INTERFACE( "CMccCodecDTMF::AddTokenL, exit" ) |
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453 |
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454 } |
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455 |
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456 // ----------------------------------------------------------------------------- |
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457 // CMccCodecDTMF::EncodeTokensL |
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458 // ----------------------------------------------------------------------------- |
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459 // |
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460 TBool CMccCodecDTMF::EncodeTokensL( MDesC8Array& aTokenArray ) |
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461 { |
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462 __INTERFACE( "CMccCodecDTMF::EncodeTokensL" ) |
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463 |
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464 __ASSERT_ALWAYS ( aTokenArray.MdcaCount() > 0, User::Leave(KErrArgument) ); |
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465 |
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466 TBool updated = EFalse; |
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467 |
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468 for ( TInt i=0; i < aTokenArray.MdcaCount(); i++ ) |
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469 { |
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470 if ( ParseTokenL(aTokenArray.MdcaPoint( i )) ) |
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471 { |
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472 updated = ETrue; |
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473 } |
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474 } |
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475 |
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476 __INTERFACE( "CMccCodecDTMF::EncodeTokensL, exit" ) |
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477 |
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478 return updated; |
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479 } |
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480 |
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481 // ----------------------------------------------------------------------------- |
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482 // CMccCodecDTMF::ParseTokenL |
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483 // ----------------------------------------------------------------------------- |
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484 // |
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485 TBool CMccCodecDTMF::ParseTokenL( const TDesC8& aValue ) |
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486 { |
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487 __INTERFACE( "CMccCodecDTMF::ParseTokenL" ) |
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488 |
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489 __ASSERT_ALWAYS ( aValue.Length() > 0, User::Leave(KErrArgument) ); |
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490 |
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491 TBool updated = EFalse; |
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492 |
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493 TLex8 lex(aValue); |
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494 TChar chr = lex.Get(); |
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495 TUint8 numberofHyphens = 0; |
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496 while (chr) |
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497 { |
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498 // token must contain digit numbers, |
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499 // which may seperated by hyphens '-', |
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500 // e.g 0-15 or e.g 60 or e.g 7 |
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501 if ( chr == KCharHyphen ) |
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502 { |
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503 ++numberofHyphens; |
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504 } |
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505 // token must contains position digit number or one hyphen |
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506 if ( ( chr != KCharHyphen && !chr.IsDigit() ) || numberofHyphens > 1 ) |
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507 { |
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508 User::Leave( KErrArgument ); |
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509 } |
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510 chr = lex.Get(); |
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511 } |
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512 |
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513 // try to find the hyphen '-', aValue might contains |
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514 // e.g 1-15,60,70 or 60,70 |
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515 TInt hyphenPosition = aValue.Locate( KCharHyphen ); |
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516 |
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517 // the aValue does not contain hyphen '-', e.g 60 |
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518 if ( hyphenPosition < 0 ) |
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519 { |
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520 updated = ParseToneNumberL( aValue ); |
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521 } |
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522 // the aValue contains hyphen '-', e.g 0-15 |
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523 else if ( hyphenPosition > 0 && hyphenPosition < aValue.Length() ) |
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524 { |
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525 TPtrC8 leftside ( aValue.Left(hyphenPosition) ); |
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526 TPtrC8 rightside ( aValue.Right( aValue.Length() - hyphenPosition - 1) ); |
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527 updated = ParseToneNumbersL( leftside, rightside ); |
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528 } |
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529 // the aValue is wrong, e.g -70 or 60- |
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530 else |
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531 { |
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532 User::Leave( KErrArgument ); |
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533 } |
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534 |
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535 __INTERFACE( "CMccCodecDTMF::ParseTokenL, exit" ) |
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536 |
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537 return updated; |
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538 } |
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539 |
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540 // ----------------------------------------------------------------------------- |
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541 // CMccCodecDTMF::ParseToneNumberL |
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542 // ----------------------------------------------------------------------------- |
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543 // |
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544 TBool CMccCodecDTMF::ParseToneNumberL( const TDesC8& aValue ) |
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545 { |
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546 __INTERFACE( "CMccCodecDTMF::ParserToneNumberL" ) |
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547 |
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548 __ASSERT_ALWAYS ( aValue.Length() > 0, User::Leave(KErrArgument) ); |
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549 |
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550 TBool updated = EFalse; |
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551 |
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552 TLex8 myLex ( aValue ); |
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553 TUint myNumber; |
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554 User::LeaveIfError( myLex.Val( myNumber, EDecimal ) ); |
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555 |
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556 if ( myNumber <= 15 ) |
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557 { |
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558 updated = AddAllowedBit( myNumber ); |
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559 } |
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560 |
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561 return updated; |
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562 } |
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563 |
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564 // ----------------------------------------------------------------------------- |
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565 // CMccCodecDTMF::ParseToneNumbersL |
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566 // ----------------------------------------------------------------------------- |
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567 // |
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568 TBool CMccCodecDTMF::ParseToneNumbersL( const TDesC8& aValueLeft, |
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569 const TDesC8& aValueRitght ) |
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570 { |
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571 __INTERFACE( "CMccCodecDTMF::ParserToneNumbersL" ) |
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572 |
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573 __ASSERT_ALWAYS ( aValueLeft.Length() > 0, User::Leave(KErrArgument) ); |
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574 __ASSERT_ALWAYS ( aValueRitght.Length() > 0, User::Leave(KErrArgument) ); |
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575 |
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576 TBool updated = EFalse; |
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577 |
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578 TLex8 myLeftLex ( aValueLeft ); |
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579 TUint myLeftNumber; |
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580 User::LeaveIfError( myLeftLex.Val( myLeftNumber, EDecimal ) ); |
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581 |
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582 TLex8 myRightLex ( aValueRitght ); |
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583 TUint myRightNumber; |
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584 User::LeaveIfError( myRightLex.Val( myRightNumber, EDecimal ) ); |
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585 |
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586 updated = AddToneNumbersL( myLeftNumber, myRightNumber ); |
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587 |
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588 return updated; |
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589 } |
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590 |
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591 // ----------------------------------------------------------------------------- |
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592 // CMccCodecDTMF::AddToneNumbersL |
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593 // ----------------------------------------------------------------------------- |
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594 // |
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595 TBool CMccCodecDTMF::AddToneNumbersL( TUint aLeftNumber, TUint aRightNumber ) |
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596 { |
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597 __INTERFACE( "CMccCodecDTMF::AddToneNumbersL" ) |
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598 |
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599 __ASSERT_ALWAYS ( aLeftNumber < aRightNumber, User::Leave(KErrArgument) ); |
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600 |
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601 TBool updated = EFalse; |
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602 |
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603 TInt i = aLeftNumber > 0 ? aLeftNumber : 0; |
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604 |
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605 // if is DTMF tone, save DTMF tone numbers(0-15) to iBitrateMask |
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606 for ( ;i <= (TInt) aRightNumber && i <= 15; i++ ) |
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607 { |
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608 updated = AddAllowedBit( i ); |
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609 } |
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610 |
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611 return updated; |
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612 } |
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613 |
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614 // ----------------------------------------------------------------------------- |
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615 // CMccCodecDTMF::GetAllowedToneNumbersArrayL |
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616 // ----------------------------------------------------------------------------- |
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617 // |
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618 void CMccCodecDTMF::GetAllowedToneNumbersArrayL( RArray<TUint>& aToneNumbers ) |
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619 { |
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620 __INTERFACE( "CMccCodecDTMF::GetAllowedToneNumbersArray" ) |
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621 |
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622 if ( iBitrateMask & KMccAllowedDtmfNumber0 ) |
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623 { |
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624 aToneNumbers.InsertInOrderL( KDtmfNumber0 ); |
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625 } |
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626 if ( iBitrateMask & KMccAllowedDtmfNumber1 ) |
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627 { |
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628 aToneNumbers.InsertInOrderL( KDtmfNumber1 ); |
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629 } |
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630 if ( iBitrateMask & KMccAllowedDtmfNumber2 ) |
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631 { |
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632 aToneNumbers.InsertInOrderL( KDtmfNumber2 ); |
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633 } |
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634 if ( iBitrateMask & KMccAllowedDtmfNumber3 ) |
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635 { |
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636 aToneNumbers.InsertInOrderL( KDtmfNumber3 ); |
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637 } |
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638 if ( iBitrateMask & KMccAllowedDtmfNumber4 ) |
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639 { |
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640 aToneNumbers.InsertInOrderL( KDtmfNumber4 ); |
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641 } |
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642 if ( iBitrateMask & KMccAllowedDtmfNumber5 ) |
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643 { |
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644 aToneNumbers.InsertInOrderL( KDtmfNumber5 ); |
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645 } |
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646 if ( iBitrateMask & KMccAllowedDtmfNumber6 ) |
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647 { |
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648 aToneNumbers.InsertInOrderL( KDtmfNumber6 ); |
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649 } |
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650 if ( iBitrateMask & KMccAllowedDtmfNumber7 ) |
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651 { |
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652 aToneNumbers.InsertInOrderL( KDtmfNumber7 ); |
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653 } |
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654 if ( iBitrateMask & KMccAllowedDtmfNumber8 ) |
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655 { |
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656 aToneNumbers.InsertInOrderL( KDtmfNumber8 ); |
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657 } |
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658 if ( iBitrateMask & KMccAllowedDtmfNumber9 ) |
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659 { |
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660 aToneNumbers.InsertInOrderL( KDtmfNumber9 ); |
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661 } |
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662 if ( iBitrateMask & KMccAllowedDtmfNumber10 ) |
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663 { |
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664 aToneNumbers.InsertInOrderL( KDtmfNumber10 ); |
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665 } |
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666 if ( iBitrateMask & KMccAllowedDtmfNumber11 ) |
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667 { |
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668 aToneNumbers.InsertInOrderL( KDtmfNumber11 ); |
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669 } |
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670 if ( iBitrateMask & KMccAllowedDtmfNumber12 ) |
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671 { |
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672 aToneNumbers.InsertInOrderL( KDtmfNumber12 ); |
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673 } |
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674 if ( iBitrateMask & KMccAllowedDtmfNumber13 ) |
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675 { |
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676 aToneNumbers.InsertInOrderL( KDtmfNumber13 ); |
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677 } |
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678 if ( iBitrateMask & KMccAllowedDtmfNumber14 ) |
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679 { |
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680 aToneNumbers.InsertInOrderL( KDtmfNumber14 ); |
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681 } |
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682 if ( iBitrateMask & KMccAllowedDtmfNumber15 ) |
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683 { |
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684 aToneNumbers.InsertInOrderL( KDtmfNumber15 ); |
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685 } |
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686 } |
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687 |
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688 // ----------------------------------------------------------------------------- |
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689 // CMccCodecDTMF::CreateFmtpAttrListL |
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690 // ----------------------------------------------------------------------------- |
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691 // |
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692 void CMccCodecDTMF::CreateFmtpAttrListL( const RArray<TUint>& aToneNumbers ) |
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693 { |
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694 __INTERFACE( "CMccCodecDTMF::CreateFmtpAttrListL" ) |
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695 |
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696 delete iFmtpAttr; |
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697 iFmtpAttr = NULL; |
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698 iFmtpAttr = HBufC8::NewL( KMaxFmtpAttrLength ); |
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699 |
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700 // if aToneNumbers contain e.g 2,3,4,5,7,9,10,11,12,13 |
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701 // it will append to iFmtpAttr like "1-5,7,9-13" |
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702 TUint firstPos = 0; |
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703 TUint nextpos = 0; |
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704 |
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705 while ( (TInt) nextpos < aToneNumbers.Count() ) |
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706 { |
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707 FindContinuusIntegers( aToneNumbers, nextpos ); |
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708 if ( firstPos == nextpos ) |
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709 { |
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710 iFmtpAttr->Des().AppendNum( aToneNumbers[ nextpos ] ); |
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711 } |
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712 else if ( firstPos < nextpos ) |
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713 { |
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714 iFmtpAttr->Des().AppendNum( aToneNumbers[ firstPos ] ); |
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715 iFmtpAttr->Des().Append( KCharHyphen ); |
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716 iFmtpAttr->Des().AppendNum( aToneNumbers[ nextpos ] ); |
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717 } |
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718 if ( nextpos != aToneNumbers.Count() - 1 ) |
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719 { |
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720 iFmtpAttr->Des().Append( KCharComma ); |
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721 } |
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722 ++nextpos; |
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723 firstPos = nextpos; |
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724 } |
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725 |
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726 } |
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727 |
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728 // ----------------------------------------------------------------------------- |
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729 // CMccCodecDTMF::AddAllowedBit |
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730 // ----------------------------------------------------------------------------- |
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731 // |
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732 TBool CMccCodecDTMF::AddAllowedBit( TUint aBit ) |
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733 { |
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734 __INTERFACE( "CMccCodecDTMF::AddAllowedBit" ) |
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735 |
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736 TBool updated = EFalse; |
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737 |
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738 switch ( aBit ) |
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739 { |
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740 case KDtmfNumber0: |
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741 { |
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742 iBitrateMask |= KMccAllowedDtmfNumber0; |
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743 updated = ETrue; |
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744 break; |
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745 } |
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746 case KDtmfNumber1: |
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747 { |
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748 iBitrateMask |= KMccAllowedDtmfNumber1; |
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749 updated = ETrue; |
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750 break; |
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751 } |
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752 case KDtmfNumber2: |
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753 { |
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754 iBitrateMask |= KMccAllowedDtmfNumber2; |
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755 updated = ETrue; |
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756 break; |
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757 } |
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758 case KDtmfNumber3: |
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759 { |
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760 iBitrateMask |= KMccAllowedDtmfNumber3; |
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761 updated = ETrue; |
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762 break; |
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763 } |
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764 case KDtmfNumber4: |
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765 { |
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766 iBitrateMask |= KMccAllowedDtmfNumber4; |
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767 updated = ETrue; |
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768 break; |
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769 } |
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770 case KDtmfNumber5: |
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771 { |
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772 iBitrateMask |= KMccAllowedDtmfNumber5; |
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773 updated = ETrue; |
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774 break; |
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775 } |
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776 case KDtmfNumber6: |
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777 { |
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778 iBitrateMask |= KMccAllowedDtmfNumber6; |
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779 updated = ETrue; |
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780 break; |
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781 } |
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782 case KDtmfNumber7: |
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783 { |
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784 iBitrateMask |= KMccAllowedDtmfNumber7; |
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785 updated = ETrue; |
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786 break; |
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787 } |
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788 case KDtmfNumber8: |
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789 { |
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790 iBitrateMask |= KMccAllowedDtmfNumber8; |
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791 updated = ETrue; |
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792 break; |
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793 } |
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794 case KDtmfNumber9: |
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795 { |
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796 iBitrateMask |= KMccAllowedDtmfNumber9; |
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797 updated = ETrue; |
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798 break; |
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799 } |
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800 case KDtmfNumber10: |
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801 { |
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802 iBitrateMask |= KMccAllowedDtmfNumber10; |
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803 updated = ETrue; |
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804 break; |
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805 } |
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806 case KDtmfNumber11: |
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807 { |
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808 iBitrateMask |= KMccAllowedDtmfNumber11; |
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809 updated = ETrue; |
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810 break; |
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811 } |
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812 case KDtmfNumber12: |
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813 { |
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814 iBitrateMask |= KMccAllowedDtmfNumber12; |
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815 updated = ETrue; |
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816 break; |
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817 } |
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818 case KDtmfNumber13: |
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819 { |
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820 iBitrateMask |= KMccAllowedDtmfNumber13; |
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821 updated = ETrue; |
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822 break; |
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823 } |
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824 case KDtmfNumber14: |
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825 { |
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826 iBitrateMask |= KMccAllowedDtmfNumber14; |
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827 updated = ETrue; |
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828 break; |
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829 } |
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830 case KDtmfNumber15: |
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831 { |
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832 iBitrateMask |= KMccAllowedDtmfNumber15; |
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833 updated = ETrue; |
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834 break; |
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835 } |
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836 default: |
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837 { |
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838 updated = EFalse; |
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839 break; |
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840 } |
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841 } |
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842 |
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843 return updated; |
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844 } |
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845 |
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846 // ----------------------------------------------------------------------------- |
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847 // CMccCodecDTMF::FindContinuusIntegers |
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848 // ----------------------------------------------------------------------------- |
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849 // |
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850 void CMccCodecDTMF::FindContinuusIntegers( const RArray<TUint>& aToneNumbers, |
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851 TUint& aPosition ) |
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852 { |
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853 TBool found = EFalse; |
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854 for ( TInt i=aPosition+1; i < aToneNumbers.Count() && !found; i++ ) |
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855 { |
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856 if ( aToneNumbers[i-1] + 1 != aToneNumbers[i] ) |
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857 { |
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858 aPosition = i-1; |
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859 found = ETrue; |
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860 } |
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861 if ( !found && i == ( aToneNumbers.Count() - 1 ) ) |
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862 { |
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863 aPosition = i; |
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864 } |
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865 } |
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866 } |
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867 |
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868 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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869 |
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870 // End of File |