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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 #include "mceg711codec.h" |
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22 #include "mcecomg711codec.h" |
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23 |
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24 #ifdef MCE_COMMON_SERVER_SIDE |
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25 |
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26 #include <mmcccodecinformation.h> |
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27 |
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28 #endif //MCE_COMMON_SERVER_SIDE |
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29 |
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30 //G.711 Default Frame Size |
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31 const TUint KMceG711FrameSize = 10; |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 |
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35 |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CMceComG711Codec::NewL |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 CMceComG711Codec* CMceComG711Codec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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42 { |
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43 CMceComG711Codec* self = NewLC( aSdpName ); |
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44 CleanupStack::Pop( self ); |
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45 return self; |
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46 |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CMceComG711Codec::NewLC |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CMceComG711Codec* CMceComG711Codec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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54 { |
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55 CMceComG711Codec* self = new (ELeave) CMceComG711Codec(); |
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56 CleanupStack::PushL( self ); |
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57 self->ConstructL( aSdpName ); |
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58 return self; |
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59 } |
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60 |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CMceComG711Codec::~CMceComG711Codec |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CMceComG711Codec::~CMceComG711Codec() |
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67 { |
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68 } |
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69 |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CMceComG711Codec::CMceComG711Codec |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CMceComG711Codec::CMceComG711Codec() |
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76 : CMceComAudioCodec() |
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77 { |
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78 iFourCC = 0; |
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79 iEnableVAD = EFalse; |
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80 iSamplingFreq = KMceG711SamplingFreq; |
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81 iBitrate = KMceG711Bitrate64; |
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82 iPTime = KMceG711DefaultPtime; |
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83 iMaxPTime = KMceG711DefaultMaxPtime; |
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84 iAllowedBitrates = KMceAllowedG711Bitrate64K; |
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85 iPayloadType = KMcePCMAPayloadType; |
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86 iCodecMode = KMceG711PCMA; |
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87 iFrameSize = KMceG711FrameSize; |
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88 } |
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89 |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // CMceComG711Codec::CloneL |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CMceComAudioCodec* CMceComG711Codec::CloneL() |
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96 { |
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97 CMceComG711Codec* copy = new (ELeave) CMceComG711Codec(); |
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98 CleanupStack::PushL( copy ); |
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99 copy->ConstructL( *this ); |
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100 CleanupStack::Pop( copy ); |
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101 return copy; |
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102 |
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103 } |
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104 |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CMceComG711Codec::ConstructL |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CMceComG711Codec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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111 { |
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112 |
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113 CMceComAudioCodec::ConstructL( aSdpName ); |
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114 |
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115 if( !iSdpName.CompareF(KMceSDPNamePCMU) ) |
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116 { |
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117 iCodecMode = KMceG711PCMU; |
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118 iPayloadType = KMcePCMUPayloadType; |
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119 } |
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120 else |
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121 { |
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122 iCodecMode = KMceG711PCMA; |
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123 iPayloadType = KMcePCMAPayloadType; |
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124 } |
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125 |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CMceComG711Codec::ConstructL |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 void CMceComG711Codec::ConstructL( CMceComG711Codec& aCodec ) |
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133 { |
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134 CMceComAudioCodec::ConstructL( aCodec ); |
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135 } |
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136 |
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137 |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // CMceComG711Codec::SetBitrate |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 TInt CMceComG711Codec::SetBitrate( TUint aBitrate ) |
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144 { |
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145 |
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146 TBool isValid = ETrue; |
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147 |
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148 switch ( aBitrate ) |
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149 { |
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150 case KMceG711Bitrate64: |
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151 { |
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152 if ( aBitrate > GetMaxBitRate() ) |
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153 { |
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154 isValid = EFalse; |
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155 } |
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156 break; |
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157 } |
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158 default: |
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159 isValid = EFalse; |
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160 break; |
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161 } |
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162 |
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163 if ( isValid ) |
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164 { |
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165 return CMceComCodec::SetBitrate( aBitrate ); |
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166 } |
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167 else |
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168 { |
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169 return KErrNotSupported; |
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170 } |
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171 } |
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172 |
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173 |
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174 // ----------------------------------------------------------------------------- |
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175 // CMceComG711Codec::SetAllowedBitrates |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 TInt CMceComG711Codec::SetAllowedBitrates( TUint aBitrates ) |
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179 { |
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180 TInt error = KErrNone; |
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181 |
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182 //Confirm that the bitrate mask is valid |
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183 //I.e. after all the valid bitrates are set to zero the value should be zero |
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184 if ( !aBitrates || |
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185 ( aBitrates >> 8 ) > 0 ) |
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186 { |
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187 error = KErrArgument; |
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188 } |
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189 else |
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190 { |
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191 CMceComCodec::SetAllowedBitrates( KMceAllowedG711BitrateAllowAll ); |
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192 iAllowedBitrates &= aBitrates; |
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193 TUint maxBitrate = GetMaxBitRate(); |
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194 if ( iBitrate > maxBitrate ) |
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195 { |
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196 error = CMceComCodec::SetBitrate( maxBitrate ); |
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197 } |
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198 } |
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199 |
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200 return error; |
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201 |
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202 } |
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203 |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CMceComG711Codec::SetCodecMode |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 TInt CMceComG711Codec::SetCodecMode( TUint aCodecMode ) |
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210 { |
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211 if ( KMceG711PCMU == aCodecMode || KMceG711PCMA == aCodecMode ) |
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212 { |
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213 iCodecMode = aCodecMode; |
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214 return KErrNone; |
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215 } |
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216 else |
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217 { |
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218 return KErrNotSupported; |
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219 } |
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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 // CMceComG711Codec::GetMaxBitRate |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 TUint CMceComG711Codec::GetMaxBitRate() |
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228 { |
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229 if( iAllowedBitrates & KMceAllowedG711Bitrate64K ) |
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230 { |
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231 return KMceG711Bitrate64; |
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232 } |
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233 else |
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234 { |
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235 return 0; |
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236 } |
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237 } |
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238 |
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239 // ----------------------------------------------------------------------------- |
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240 // CMceComG711Codec::SetPTime |
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241 // ----------------------------------------------------------------------------- |
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242 // |
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243 TInt CMceComG711Codec::SetPTime( TUint aPTime ) |
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244 { |
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245 if ( ( aPTime % KMceG711FrameSize ) == 0 ) |
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246 { |
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247 return CMceComAudioCodec::SetPTime( aPTime ); |
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248 } |
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249 else |
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250 { |
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251 return KErrNotSupported; |
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252 } |
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253 } |
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254 |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // CMceComG711Codec::SetMaxPTime |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 TInt CMceComG711Codec::SetMaxPTime( TUint aMaxPTime ) |
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261 { |
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262 if ( ( aMaxPTime % KMceG711FrameSize ) == 0 ) |
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263 { |
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264 return CMceComAudioCodec::SetMaxPTime( aMaxPTime ); |
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265 } |
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266 else |
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267 { |
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268 return KErrNotSupported; |
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269 } |
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270 } |
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271 |
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272 // End of File |