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1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @publishedPartner |
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19 */ |
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20 |
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21 #include <bluetoothav.h> |
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22 #include "gavdpinterface.h" |
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23 #include "avdtpSBCCodecCapability.h" |
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24 |
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25 /** |
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26 Default constructor for SBC codec details |
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27 */ |
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28 EXPORT_C TSBCCodecCapabilities::TSBCCodecCapabilities() |
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29 : TAvdtpMediaCodecCapabilities(SymbianBluetoothAV::EAvdtpMediaTypeAudio, |
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30 SymbianBluetoothAV::EAudioCodecSBC, |
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31 KServiceCatLOSCSBCCodec) |
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32 { |
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33 } |
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34 |
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35 /** |
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36 @internalTechnology |
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37 */ |
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38 EXPORT_C /*virtual*/ TInt TSBCCodecCapabilities::AsProtocol(RBuf8& aBuffer) const |
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39 { |
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40 using namespace SymbianBluetoothAV; |
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41 |
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42 TInt ret = AddHeader(aBuffer); |
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43 if (ret == KErrNone) |
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44 { |
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45 aBuffer.Append(static_cast<TChar>(iMediaType)); |
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46 aBuffer.Append(static_cast<TChar>(iMediaCodecType)); |
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47 |
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48 TUint8 octet = (iSamplingFrequencies << KSBCIESampFreqOffset) | |
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49 (iChannelModes & KSBCIEChModeMask); |
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50 |
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51 aBuffer.Append(static_cast<TChar>(octet)); |
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52 |
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53 octet = (iBlockLengths << KSBCIEBlockLenOffset) | |
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54 ((iSubbands & KSBCIESubbandsMask) << KSBCIESubbandsOffset) | |
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55 (iAllocationMethod & KSBCIEAllocMethMask); |
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56 |
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57 aBuffer.Append(static_cast<TChar>(octet)); |
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58 |
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59 aBuffer.Append(static_cast<TChar>(iMinimumBitpoolValue)); |
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60 aBuffer.Append(static_cast<TChar>(iMaximumBitpoolValue)); |
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61 } |
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62 |
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63 return ret; |
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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 @internalTechnology |
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69 */ |
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70 EXPORT_C /*virtual*/ void TSBCCodecCapabilities::Parse(const TDesC8& aPtr) |
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71 { |
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72 TInt ptrLength = aPtr.Length(); |
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73 #ifdef _DEBUG |
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74 _LIT(KSBCCodecCapabilitiesPanic, "SBCConfigPanic"); |
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75 #endif |
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76 __ASSERT_DEBUG(ptrLength>=6, User::Panic(KSBCCodecCapabilitiesPanic, 0)); |
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77 |
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78 // parse the media type and codec type via base-class |
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79 TAvdtpMediaCodecCapabilities::Parse(aPtr); |
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80 |
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81 iSamplingFrequencies = 0; |
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82 iChannelModes = 0; |
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83 iBlockLengths = 0; |
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84 iSubbands = 0; |
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85 iAllocationMethod = 0; |
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86 iMinimumBitpoolValue = 0; |
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87 iMaximumBitpoolValue = 0; |
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88 |
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89 //set the values according to the length of the package |
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90 switch(ptrLength) { |
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91 case 6: |
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92 iMaximumBitpoolValue = static_cast<TInt>(aPtr[5]); |
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93 |
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94 case 5: |
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95 iMinimumBitpoolValue = static_cast<TInt>(aPtr[4]); |
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96 |
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97 case 4: |
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98 iBlockLengths = static_cast<TSBCBlockLengthBitmask>(aPtr[3]>>KSBCIEBlockLenOffset); |
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99 iSubbands = static_cast<TSBCSubbandsBitmask>((aPtr[3]>>KSBCIESubbandsOffset)&KSBCIESubbandsMask); |
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100 iAllocationMethod = static_cast<TSBCAllocationMethodBitmask>(aPtr[3]&KSBCIEAllocMethMask); |
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101 |
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102 case 3: |
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103 iSamplingFrequencies = static_cast<TSBCSamplingFrequencyBitmask>(aPtr[2]>>KSBCIESampFreqOffset); |
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104 iChannelModes = static_cast<TSBCChannelModeBitmask>(aPtr[2]&KSBCIEChModeMask); |
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105 |
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106 default: |
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107 break; |
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108 } |
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109 } |
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110 |
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111 /** |
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112 Get the SBC sampling frequencies |
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113 @return bitmask of supported sampling frequencies |
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114 */ |
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115 EXPORT_C TSBCSamplingFrequencyBitmask TSBCCodecCapabilities::SamplingFrequencies() const |
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116 { |
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117 return iSamplingFrequencies; |
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118 } |
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119 |
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120 /** |
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121 Set the SBC sampling frequencies |
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122 @param aSampFreq bitmask of supported sampling frequencies |
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123 */ |
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124 EXPORT_C void TSBCCodecCapabilities::SetSamplingFrequencies(TSBCSamplingFrequencyBitmask aSampFreq) |
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125 { |
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126 iSamplingFrequencies = aSampFreq; |
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127 } |
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128 |
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129 /** |
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130 Get the SBC channel modes |
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131 @return bitmask of supported channel modes |
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132 */ |
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133 EXPORT_C TSBCChannelModeBitmask TSBCCodecCapabilities::ChannelModes() const |
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134 { |
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135 return iChannelModes; |
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136 } |
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137 |
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138 /** |
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139 Set the SBC channel modes |
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140 @param aChModes bitmask of supported channel modes |
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141 */ |
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142 EXPORT_C void TSBCCodecCapabilities::SetChannelModes(TSBCChannelModeBitmask aChModes) |
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143 { |
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144 iChannelModes = aChModes; |
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145 } |
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146 |
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147 /** |
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148 Get the SBC block lengths |
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149 @return bitmask of supported block lengths |
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150 */ |
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151 EXPORT_C TSBCBlockLengthBitmask TSBCCodecCapabilities::BlockLengths() const |
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152 { |
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153 return iBlockLengths; |
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154 } |
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155 |
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156 /** |
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157 Set the SBC block lengths |
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158 @param aBlockLens bitmask of supported block lengths |
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159 */ |
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160 EXPORT_C void TSBCCodecCapabilities::SetBlockLengths(TSBCBlockLengthBitmask aBlockLens) |
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161 { |
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162 iBlockLengths=aBlockLens; |
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163 } |
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164 |
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165 /** |
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166 Get the SBC subbands |
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167 @return bitmask of supported subbands |
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168 */ |
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169 EXPORT_C TSBCSubbandsBitmask TSBCCodecCapabilities::Subbands() const |
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170 { |
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171 return iSubbands; |
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172 } |
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173 |
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174 /** |
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175 Set the SBC subbands |
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176 @param aSubbands bitmask of supported subbands |
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177 */ |
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178 EXPORT_C void TSBCCodecCapabilities::SetSubbands(TSBCSubbandsBitmask aSubbands) |
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179 { |
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180 iSubbands = aSubbands; |
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181 } |
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182 |
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183 /** |
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184 Get the SBC allocation methods |
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185 @return bitmask of supported allocation methods |
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186 */ |
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187 EXPORT_C TSBCAllocationMethodBitmask TSBCCodecCapabilities::AllocationMethods() const |
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188 { |
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189 return iAllocationMethod; |
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190 } |
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191 |
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192 /** |
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193 Set the SBC allocation methods |
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194 @param aAllocMeths of supported allocation methods |
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195 */ |
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196 EXPORT_C void TSBCCodecCapabilities::SetAllocationMethods(TSBCAllocationMethodBitmask aAllocMeths) |
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197 { |
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198 iAllocationMethod = aAllocMeths; |
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199 } |
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200 |
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201 /** |
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202 Get the SBC minimum bitpool value |
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203 @return minimum bitpool value |
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204 */ |
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205 EXPORT_C TInt TSBCCodecCapabilities::MinBitpoolValue() const |
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206 { |
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207 return iMinimumBitpoolValue; |
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208 } |
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209 |
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210 /** |
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211 Set the SBC minimum bitpool value |
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212 @param aMinBP minimum bitpool value |
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213 */ |
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214 EXPORT_C void TSBCCodecCapabilities::SetMinBitpoolValue(TInt aMinBP) |
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215 { |
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216 iMinimumBitpoolValue = aMinBP; |
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217 } |
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218 |
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219 /** |
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220 Get the SBC maximum bitpool value |
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221 @return maximum bitpool value |
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222 */ |
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223 EXPORT_C TInt TSBCCodecCapabilities::MaxBitpoolValue() const |
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224 { |
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225 return iMaximumBitpoolValue; |
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226 } |
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227 |
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228 /** |
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229 Set the SBC maximum bitpool value |
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230 @param aMaxBP maximum bitpool value |
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231 */ |
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232 EXPORT_C void TSBCCodecCapabilities::SetMaxBitpoolValue(TInt aMaxBP) |
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233 { |
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234 iMaximumBitpoolValue = aMaxBP; |
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235 } |
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236 |