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1 /* |
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2 * Copyright (c) 2009 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 // LITERALS |
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20 _LIT8(KTrue, "true"); |
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21 _LIT8(KFalse, "false"); |
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22 |
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23 inline CSamplerPluginInterface::CSamplerPluginInterface() |
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24 : iOrder( KSamplerPluginNotIndexed ) |
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25 { |
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26 iBuffer = 0; |
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27 iStream = 0; |
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28 } |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CSamplerPluginInterface::~CSamplerPluginInterface() |
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32 // Destructor. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 inline CSamplerPluginInterface::~CSamplerPluginInterface() |
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36 { |
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37 iBuffer = 0; |
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38 REComSession::DestroyedImplementation(iDtor_ID_Key); |
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39 } |
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40 |
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41 |
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42 inline CSamplerPluginInterface* CSamplerPluginInterface::NewL(const TUid aImplementationUid, TAny* aInitParams) |
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43 { |
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44 // Define options, how the default resolver will find appropriate |
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45 // implementation. |
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46 return REINTERPRET_CAST(CSamplerPluginInterface*, |
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47 REComSession::CreateImplementationL(aImplementationUid, |
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48 _FOFF( CSamplerPluginInterface, iDtor_ID_Key ), |
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49 aInitParams)); |
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50 } |
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51 |
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52 inline void CSamplerPluginInterface::ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray) |
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53 { |
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54 REComSession::ListImplementationsL(KSamplerPluginInterfaceUid, aImplInfoArray); |
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55 } |
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56 |
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57 inline void CSamplerPluginInterface::SetOrder( TInt aOrder ) |
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58 { |
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59 iOrder = aOrder; |
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60 } |
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61 |
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62 inline TInt CSamplerPluginInterface::Flush() |
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63 { |
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64 // complete the header |
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65 TUint32 header; |
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66 header = (iBuffer->iDataSize & 0x00ffffff) - 4; |
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67 header += (iSamplerId << 24); |
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68 |
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69 // flush the header info |
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70 iBuffer->iBuffer[0] = header; |
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71 iBuffer->iBuffer[1] = header >> 8; |
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72 iBuffer->iBuffer[2] = header >> 16; |
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73 iBuffer->iBuffer[3] = header >> 24; |
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74 |
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75 // write data to filled buffers |
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76 iStream->AddToFilledBuffers(iBuffer); |
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77 // notify selected writer plugin to write data to output |
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78 iStream->NotifyWriter(); |
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79 |
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80 iBuffer = 0; |
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81 |
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82 return KErrNone; |
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83 } |
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84 |
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85 |
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86 inline TInt CSamplerPluginInterface::AddSample(TUint8* aSample, TUint32 aLength, TInt aLimitSize) |
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87 { |
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88 LOGTEXT(_L("CSamplerPluginInterface::AddSample - entry")); |
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89 if(iBuffer == 0) |
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90 { |
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91 // get next free buffer where to write data |
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92 iBuffer = iStream->GetNextFreeBuffer(); |
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93 iBuffer->iBufDes->Zero(); |
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94 |
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95 // get space for the header |
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96 TUint32 header = 0; |
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97 iBuffer->iBufDes->Append((TUint8*)&header, 4); |
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98 iBuffer->iDataSize += 4; |
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99 } |
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100 |
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101 // add data to the buffer... |
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102 // if all data fit to the current buffer |
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103 if(iBuffer->iBufferSize - iBuffer->iDataSize >= (TInt)aLength) |
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104 { |
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105 iBuffer->iBufDes->Append(aSample, (TInt)aLength); |
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106 iBuffer->iDataSize += (TInt)aLength; |
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107 } |
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108 else |
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109 { |
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110 // fill in the buffer |
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111 TUint32 rest = iBuffer->iBufferSize - iBuffer->iDataSize; |
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112 iBuffer->iBufDes->Append(aSample, rest); |
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113 iBuffer->iDataSize += (TInt)rest; |
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114 |
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115 // The buffer is full now, complete the header |
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116 TUint32 header; |
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117 header = (iBuffer->iDataSize & 0x00ffffff) - 4; |
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118 header += (iSamplerId << 24); |
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119 iBuffer->iBuffer[0] = header; |
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120 iBuffer->iBuffer[1] = header >> 8; |
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121 iBuffer->iBuffer[2] = header >> 16; |
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122 iBuffer->iBuffer[3] = header >> 24; |
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123 |
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124 // write data to filled buffers |
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125 iStream->AddToFilledBuffers(iBuffer); |
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126 // notify selected writer plugin to write data to output |
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127 iStream->NotifyWriter(); |
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128 |
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129 // Fetch an empty buffer and reserve space for the header |
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130 iBuffer = iStream->GetNextFreeBuffer(); |
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131 iBuffer->iBufDes->Zero(); |
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132 header = 0; |
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133 iBuffer->iBufDes->Append((TUint8*)&header, 4); |
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134 iBuffer->iDataSize += 4; |
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135 |
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136 // copy the rest of data to the new buffer |
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137 iBuffer->iBufDes->Append(aSample+rest, aLength-rest); |
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138 iBuffer->iDataSize += (TInt)aLength-rest; |
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139 } |
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140 |
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141 // Once iBuffer->dataSize reaches the limitSize, data from iBuffer is flushed to file/debug port. |
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142 // If limitSize is set to zero, buffer is not changed until iBuffer gets full. |
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143 if(aLimitSize != 0) |
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144 { |
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145 if(iBuffer->iDataSize >= aLimitSize) |
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146 { |
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147 // The buffer is full now, complete the header |
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148 TUint32 header; |
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149 header = (iBuffer->iDataSize & 0x00ffffff) - 4; |
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150 header += (iSamplerId << 24); |
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151 iBuffer->iBuffer[0] = header; |
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152 iBuffer->iBuffer[1] = header >> 8; |
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153 iBuffer->iBuffer[2] = header >> 16; |
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154 iBuffer->iBuffer[3] = header >> 24; |
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155 |
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156 |
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157 // write data to filled buffers |
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158 iStream->AddToFilledBuffers(iBuffer); |
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159 // notify selected writer plugin to write data to output |
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160 iStream->NotifyWriter(); |
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161 |
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162 // Fetch an empty buffer and reserve space for the header |
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163 iBuffer = iStream->GetNextFreeBuffer(); |
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164 iBuffer->iBufDes->Zero(); |
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165 header = 0; |
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166 iBuffer->iBufDes->Append((TUint8*)&header, 4); |
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167 iBuffer->iDataSize += 4; |
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168 } |
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169 } |
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170 return KErrNone; |
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171 } |
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172 |
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173 // ---------------------------------------------------------------------------- |
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174 // Converts given descriptor into TBool value. |
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175 // ---------------------------------------------------------------------------- |
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176 // |
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177 inline void CSamplerPluginInterface::Str2Bool(const TDesC8& aBuf, TBool& aValue) |
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178 { |
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179 if (aBuf.CompareF(KFalse) == 0) |
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180 aValue = EFalse; |
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181 else |
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182 aValue = ETrue; |
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183 } |
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184 |
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185 // ---------------------------------------------------------------------------- |
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186 // Converts given descriptor into TInt value. |
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187 // ---------------------------------------------------------------------------- |
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188 // |
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189 inline void CSamplerPluginInterface::Str2Int(const TDesC8& aBuf, TInt& aValue) |
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190 { |
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191 TLex8 conv; |
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192 conv.Assign(aBuf); |
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193 |
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194 if (conv.Val(aValue) != KErrNone) |
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195 aValue = 0; |
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196 } |
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197 |
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198 // ---------------------------------------------------------------------------- |
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199 // Converts given descriptor into TInt value. |
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200 // ---------------------------------------------------------------------------- |
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201 // |
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202 inline void CSamplerPluginInterface::Str2Int(const TDesC8& aBuf, TUint32& aValue) |
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203 { |
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204 TInt temp(0); |
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205 |
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206 TLex8 conv; |
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207 conv.Assign(aBuf); |
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208 |
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209 if (conv.Val(temp) != KErrNone) |
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210 aValue = 0; |
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211 else |
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212 aValue = (TUint32)temp; |
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213 } |
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214 |
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215 // End of file |