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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 "mceamrcodec.h" |
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22 #include "mceamrwbcodec.h" |
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23 #include "mcecomamrwbcodec.h" |
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24 |
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25 #ifdef MCE_COMMON_SERVER_SIDE |
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26 |
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27 #include <mmcccodecinformation.h> |
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28 |
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29 _LIT8( KDefaultAmrWbFmtp, "octet-align=0; mode-set=0,1,2,3,4,5,6,7,8" ); |
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30 |
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31 #endif//MCE_COMMON_SERVER_SIDE |
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32 |
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33 // This should be defined in MCE API |
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34 const TUint KMceAmrWBFrameSize ( 64 ); |
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35 |
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36 |
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37 // ============================ MEMBER FUNCTIONS =============================== |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CMceComAMRWbCodec::NewL |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CMceComAMRWbCodec* CMceComAMRWbCodec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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44 { |
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45 CMceComAMRWbCodec* self = NewLC( aSdpName ); |
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46 CleanupStack::Pop( self ); |
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47 return self; |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CMceComAMRWbCodec::NewLC |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CMceComAMRWbCodec* CMceComAMRWbCodec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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55 { |
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56 CMceComAMRWbCodec* self = new (ELeave) CMceComAMRWbCodec(); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL( aSdpName ); |
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59 return self; |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CMceComAMRWbCodec::~CMceComAMRWbCodec |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CMceComAMRWbCodec::~CMceComAMRWbCodec() |
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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 // CMceComAMRWbCodec::CMceComAMRWbCodec |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 CMceComAMRWbCodec::CMceComAMRWbCodec() |
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75 : CMceComAMRCodec() |
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76 { |
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77 iCodecMode = EMceBandwidthEfficient; |
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78 iBitrate = KMceAmrWbBitrate2385; |
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79 iAllowedBitrates = KMceAllowedAmrWbBitrate660| |
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80 KMceAllowedAmrWbBitrate885| |
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81 KMceAllowedAmrWbBitrate1265| |
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82 KMceAllowedAmrWbBitrate1425| |
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83 KMceAllowedAmrWbBitrate1585| |
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84 KMceAllowedAmrWbBitrate1825| |
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85 KMceAllowedAmrWbBitrate1985| |
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86 KMceAllowedAmrWbBitrate2305| |
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87 KMceAllowedAmrWbBitrate2385; |
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88 //Above codec mode need to have value as 8 |
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89 iFrameSize = KMceAmrWBFrameSize; |
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90 const TUint8 KDefaultAmrWbPayloadType = 100; |
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91 iPayloadType = KDefaultAmrWbPayloadType; |
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92 iSamplingFreq = KMceAmrWbSamplingFreq; |
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93 iPTime = KMceDefaultPtime; |
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94 iMaxPTime = KMceDefaultMaxPtime; |
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95 } |
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96 |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CMceComAMRWbCodec::CloneL |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CMceComAudioCodec* CMceComAMRWbCodec::CloneL() |
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103 { |
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104 CMceComAMRWbCodec* copy = new (ELeave) CMceComAMRWbCodec(); |
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105 CleanupStack::PushL( copy ); |
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106 copy->ConstructL( *this ); |
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107 CleanupStack::Pop( copy ); |
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108 return copy; |
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109 |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CMceComAMRWbCodec::SetBitrate |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 TInt CMceComAMRWbCodec::SetBitrate( TUint aBitrate ) |
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117 { |
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118 TBool isValid = ETrue; |
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119 |
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120 switch ( aBitrate ) |
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121 { |
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122 case KMceAmrWbBitrate660: |
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123 case KMceAmrWbBitrate885: |
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124 case KMceAmrWbBitrate1265: |
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125 case KMceAmrWbBitrate1425: |
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126 case KMceAmrWbBitrate1585: |
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127 case KMceAmrWbBitrate1825: |
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128 case KMceAmrWbBitrate1985: |
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129 case KMceAmrWbBitrate2305: |
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130 case KMceAmrWbBitrate2385: |
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131 { |
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132 if ( aBitrate > GetMaxBitRate() ) |
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133 { |
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134 isValid = EFalse; |
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135 } |
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136 break; |
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137 } |
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138 default: |
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139 isValid = EFalse; |
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140 break; |
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141 } |
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142 |
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143 if ( isValid ) |
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144 { |
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145 return CMceComCodec::SetBitrate( aBitrate ); |
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146 } |
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147 else |
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148 { |
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149 return KErrNotSupported; |
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150 } |
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151 |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CMceComAMRWbCodec::SetAllowedBitrates |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 TInt CMceComAMRWbCodec::SetAllowedBitrates( TUint aBitrates ) |
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159 { |
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160 TInt error = KErrNone; |
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161 |
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162 //Confirm that the bitrate mask is valid |
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163 //I.e. after all the valid bitrates are set to zero the value should be zero |
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164 if ( !aBitrates || |
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165 ( aBitrates >> 16 ) > 0 ) |
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166 { |
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167 error = KErrArgument; |
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168 } |
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169 else |
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170 { |
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171 CMceComCodec::SetAllowedBitrates( KMceAllowedAmrWbBitrateAll ); |
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172 iAllowedBitrates &= aBitrates; |
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173 TUint maxBitrate = GetMaxBitRate(); |
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174 if ( iBitrate > maxBitrate ) |
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175 { |
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176 error = CMceComCodec::SetBitrate( maxBitrate ); |
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177 } |
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178 |
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179 // Update also other amr codec information stored inside |
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180 iAllowedBitrates |= ( aBitrates & KMceAllowedAmrWbAdditionalInfo ); |
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181 } |
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182 |
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183 return error; |
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184 |
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185 } |
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186 |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // CMceComAMRWbCodec::GetMaxBitRate |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 TUint CMceComAMRWbCodec::GetMaxBitRate() |
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193 { |
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194 |
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195 if( iAllowedBitrates & KMceAllowedAmrWbBitrate2385 ) |
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196 { |
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197 return KMceAmrWbBitrate2385; |
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198 } |
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199 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate2305 ) |
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200 { |
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201 return KMceAmrWbBitrate2305; |
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202 } |
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203 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate1985 ) |
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204 { |
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205 return KMceAmrWbBitrate1985; |
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206 } |
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207 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate1825 ) |
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208 { |
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209 return KMceAmrWbBitrate1825; |
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210 } |
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211 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate1585 ) |
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212 { |
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213 return KMceAmrWbBitrate1585; |
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214 } |
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215 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate1425 ) |
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216 { |
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217 return KMceAmrWbBitrate1425; |
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218 } |
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219 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate1265 ) |
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220 { |
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221 return KMceAmrWbBitrate1265; |
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222 } |
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223 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate885 ) |
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224 { |
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225 return KMceAmrWbBitrate885; |
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226 } |
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227 else if( iAllowedBitrates & KMceAllowedAmrWbBitrate660 ) |
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228 { |
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229 return KMceAmrWbBitrate660; |
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230 } |
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231 |
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232 else |
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233 { |
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234 return 0; |
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235 } |
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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 // ----------------------------------------------------------------------------- |
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241 // CMceComAMRWbCodec::ResolveAllowedBitrates |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 TInt CMceComAMRWbCodec::ResolveAllowedBitrates( |
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245 TUint aBitrate, TUint& aAllowedBitrates ) |
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246 { |
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247 TInt retVal( KErrNone ); |
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248 |
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249 if ( aBitrate <= KMceAmrWbBitrate660 ) |
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250 { |
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251 aAllowedBitrates = KMceAllowedAmrWbBitrate660; |
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252 } |
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253 else if ( aBitrate <= KMceAmrWbBitrate885 ) |
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254 { |
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255 aAllowedBitrates = KMceAllowedAmrWbBitrate885; |
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256 } |
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257 else if ( aBitrate <= KMceAmrWbBitrate1265 ) |
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258 { |
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259 aAllowedBitrates = KMceAllowedAmrWbBitrate1265; |
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260 } |
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261 else if ( aBitrate <= KMceAmrWbBitrate1425 ) |
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262 { |
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263 aAllowedBitrates = KMceAllowedAmrWbBitrate1425; |
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264 } |
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265 else if ( aBitrate <= KMceAmrWbBitrate1585 ) |
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266 { |
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267 aAllowedBitrates = KMceAllowedAmrWbBitrate1585; |
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268 } |
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269 else if ( aBitrate <= KMceAmrWbBitrate1825 ) |
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270 { |
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271 aAllowedBitrates = KMceAllowedAmrWbBitrate1825; |
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272 } |
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273 else if ( aBitrate <= KMceAmrWbBitrate1985 ) |
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274 { |
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275 aAllowedBitrates = KMceAllowedAmrWbBitrate1985; |
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276 } |
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277 else if ( aBitrate <= KMceAmrWbBitrate2305 ) |
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278 { |
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279 aAllowedBitrates = KMceAllowedAmrWbBitrate2305; |
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280 } |
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281 else if ( aBitrate <= KMceAmrWbBitrate2385 ) |
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282 { |
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283 aAllowedBitrates = KMceAllowedAmrWbBitrateAll; |
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284 } |
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285 else |
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286 { |
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287 retVal = KErrNotSupported; |
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288 } |
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289 |
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290 return retVal; |
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291 } |
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292 |
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293 |
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294 |
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295 #ifdef MCE_COMMON_SERVER_SIDE |
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296 |
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297 // ----------------------------------------------------------------------------- |
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298 // CMceComAMRWbCodec::DoMccValidateL |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 CMceComCodec* CMceComAMRWbCodec::DoMccValidateL( CMccCodecInformation& aMccCodec, |
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302 CMceSrvStream& /*aStream*/, |
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303 TMceNegotiationRole aRole ) |
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304 { |
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305 //if answerer mcc codec represents the received offer and codec the answer |
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306 //if offerer codec represents the sent offer and mcc codec the answer |
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307 |
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308 // Bitrates field contains also additional information, mask it away |
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309 TUint mccBitrates = ( aMccCodec.AllowedBitrates() & KMceAllowedAmrWbBitrateAll ); |
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310 TUint mceBitrates = ( iAllowedBitrates & KMceAllowedAmrWbBitrateAll ); |
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311 |
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312 TBool notValid = aRole == EMceRoleAnswerer ? |
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313 ( mceBitrates && mccBitrates == 0 || |
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314 mceBitrates > mccBitrates ) : |
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315 ( mceBitrates && mccBitrates == 0 || |
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316 mceBitrates < mccBitrates ); |
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317 |
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318 User::LeaveIfError( notValid ? KErrNotSupported : KErrNone ); |
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319 if ( aMccCodec.CodecMode() != (TCodecMode)iCodecMode ) |
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320 { |
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321 // codec-mode was different, fail. |
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322 User::Leave(KErrNotSupported); |
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323 } |
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324 return NULL; |
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325 } |
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326 |
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327 |
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328 // ----------------------------------------------------------------------------- |
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329 // CMceComAMRWbCodec::DoSetDefaultFmtpAttributeL |
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330 // ----------------------------------------------------------------------------- |
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331 // |
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332 void CMceComAMRWbCodec::DoSetDefaultFmtpAttributeL() |
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333 { |
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334 SetFmtpAttributeL( KDefaultAmrWbFmtp ); |
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335 } |
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336 |
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337 #endif |
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338 |
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339 |
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340 // End of File |
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341 |