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1 // tonehwdevice.cpp |
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2 // Copyright (c) 2006-2009 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 // INCLUDE FILES |
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20 #include <mmf/server/mmfhwdevice.h> |
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21 #include "tonehwdevice.hrh" //for KUidToneHwDevice |
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22 #include <ecom/implementationproxy.h> // For making it ECom plugin |
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23 #include "tonehwdevice.h" |
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24 |
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25 |
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26 // EXTERNAL DATA STRUCTURES |
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27 |
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28 // EXTERNAL FUNCTION PROTOTYPES |
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29 |
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30 // CONSTANTS |
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31 const TImplementationProxy ImplementationTable[] = |
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32 { |
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33 IMPLEMENTATION_PROXY_ENTRY(KUidToneHwDevice, CToneHwDevice::NewL), |
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34 }; |
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35 //current supported sample rate |
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36 const TInt KSupportedSampleRate = 8000; |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // Default constructor |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 CToneHwDevice::CToneHwDevice() |
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43 { |
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44 DP_CONTEXT(CToneHwDevice::CToneHwDevice *CD1*, CtxDevSound, DPLOCAL); |
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45 DP_IN(); |
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46 DP_OUT(); |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // Symbian 2nd phase constructor |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 void CToneHwDevice::ConstructL() |
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54 { |
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55 DP_CONTEXT(CToneHwDevice::ConstructL *CD0*, CtxDevSound, DPLOCAL); |
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56 DP_IN(); |
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57 |
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58 iHwDataBufferFill = CMMFDataBuffer::NewL(sizeof(TToneData)); |
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59 iHwDataBufferFill->SetLastBuffer(EFalse); |
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60 iHwDataBufferFill->Data().SetLength(sizeof(TToneData)); |
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61 iHwDataBufferFill->SetRequestSizeL(sizeof(TToneData)); |
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62 |
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63 iCodec = new(ELeave)CToneCodec(); |
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64 |
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65 DP_OUT(); |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // Symbian constructor |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CToneHwDevice* CToneHwDevice::NewL() |
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73 { |
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74 DP_STATIC_CONTEXT(CToneHwDevice::NewL *CD0*, CtxDevSound, DPLOCAL); |
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75 DP_IN(); |
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76 CToneHwDevice* self = new (ELeave) CToneHwDevice(); |
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77 CleanupStack::PushL(self); |
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78 self->ConstructL(); |
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79 CleanupStack::Pop(); |
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80 DP0_RET(self, "0x%x"); |
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81 } |
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82 |
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83 // --------------------------------------------------------------------------- |
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84 // Destructor |
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85 // --------------------------------------------------------------------------- |
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86 // |
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87 CToneHwDevice::~CToneHwDevice() |
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88 { |
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89 DP_CONTEXT(CToneHwDevice::~CToneHwDevice *CD0*, CtxDevSound, DPLOCAL); |
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90 DP_IN(); |
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91 delete iHwDataBufferFill; |
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92 delete iCodec; |
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93 delete iPlayCustomInterface; |
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94 |
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95 if(iDataPath) |
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96 { |
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97 delete iDataPath; |
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98 } |
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99 |
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100 if(iToneBuffer1) |
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101 { |
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102 delete iToneBuffer1; |
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103 } |
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104 if(iToneBuffer2) |
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105 { |
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106 delete iToneBuffer2; |
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107 } |
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108 DP_OUT(); |
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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 * Codec |
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114 * |
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115 */ |
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116 CToneCodec& CToneHwDevice::Codec() |
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117 { |
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118 return *iCodec; |
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119 } |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // from class CMMFHwDevice |
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123 // CToneHwDevice::Init |
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124 // --------------------------------------------------------------------------- |
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125 // |
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126 TInt CToneHwDevice::Init(THwDeviceInitParams& aDevInfo) |
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127 { |
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128 DP_CONTEXT(CToneHwDevice::Init *CD1*, CtxDevSound, DPLOCAL); |
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129 DP_IN(); |
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130 |
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131 if (!iToneInitialized) // Check if tones is not initialized yet. |
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132 { |
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133 iToneInitialized = ETrue; |
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134 } |
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135 |
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136 // [ precondition that aDevInfo has a valid observer ] |
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137 if (!aDevInfo.iHwDeviceObserver) |
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138 { |
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139 DP0_RET(KErrArgument, "%d"); |
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140 } |
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141 |
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142 iHwDeviceObserver = aDevInfo.iHwDeviceObserver; |
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143 |
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144 //[ assert the post condition ] |
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145 if (!iCodec) |
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146 { |
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147 DP0_RET(KErrNotSupported, "%d"); |
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148 } |
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149 |
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150 DP0_RET(KErrNone, "%d"); |
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151 } |
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152 |
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153 // --------------------------------------------------------------------------- |
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154 // from class CMMFHwDevice |
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155 // CToneHwDevice::Start |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 TInt CToneHwDevice::Start(TDeviceFunc /*aFuncCmd*/, TDeviceFlow /*aFlowCmd*/) |
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159 { |
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160 DP_CONTEXT(CToneHwDevice::Start *CD1*, CtxDevSound, DPLOCAL); |
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161 DP_IN(); |
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162 |
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163 TInt error = KErrNone; |
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164 |
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165 // Start for first time OR resuming |
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166 if (!iTonePlaying || iDataPath->State() == CToneDataPath::EPaused) |
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167 { |
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168 iLastBuffer = EFalse; |
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169 //[ assert precondition that play custom interface is present] |
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170 //if there is no tone play custom interface then the user of the CToneHwDevice |
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171 //cannot have set any of the custom settings such as sample rate. |
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172 if (!iPlayCustomInterface) |
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173 { |
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174 DP0_RET(KErrNotReady, "%d"); |
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175 } |
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176 |
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177 //play |
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178 if (!iDataPath) |
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179 { |
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180 //create a datapath |
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181 TRAP(error,iDataPath = CToneDataPath::NewL()); |
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182 if ((iDataPath)&&(error == KErrNone)) |
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183 { |
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184 ASSERT(iHwDeviceObserver); |
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185 iDataPath->SetObserver(*this); |
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186 error = iDataPath->AddCodec(*iCodec); |
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187 if (error == KErrNone) |
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188 { |
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189 iDeviceBufferSize = (iCodec->SinkBufferSize()); |
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190 } |
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191 } |
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192 } |
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193 if ((error == KErrNone) && (iDataPath->State() != CToneDataPath::EPlaying)) |
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194 { |
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195 //datapath was created ok and we are not playing |
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196 if (iDataPath->State() == CToneDataPath::EStopped) |
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197 { |
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198 // starting from 'fresh so set sound device settings |
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199 if (!iDataPath->Device().Handle()) |
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200 { |
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201 //if Device() is called then we need a valid sound device handle |
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202 error = iDataPath->Device().Open(); |
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203 if (error != KErrNone) |
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204 { |
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205 DP0_RET(error, "%d"); |
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206 } |
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207 |
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208 } |
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209 static_cast<TToneCustomInterface*>(iPlayCustomInterface)->SetDevice(&(iDataPath->Device())); |
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210 |
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211 TUint iVol = iPlayCustomInterface->Volume(); |
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212 iDataPath->Device().SetPlayVolume(iVol); |
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213 |
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214 soundDeviceSettings().iRate = iSampleRate; |
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215 |
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216 //this would normally be pcm16 |
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217 soundDeviceSettings().iEncoding = RMdaDevSound::EMdaSoundEncoding16BitPCM; |
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218 |
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219 //1 = mono 2 = stereo |
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220 soundDeviceSettings().iChannels = iChannels; |
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221 |
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222 //tell sound driver what buffer size to expect |
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223 //it is up the the implementor to make use the device can support |
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224 //the required buffer size |
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225 soundDeviceSettings().iBufferSize = iDeviceBufferSize; |
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226 error = iDataPath->Device().SetPlayFormat(soundDeviceSettings); |
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227 |
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228 } // End of iDataPath->State() == CToneDataPath::EStopped |
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229 |
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230 //else resuming from pause |
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231 if ((error == KErrNone)||(error == KErrInUse)) |
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232 { |
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233 // Hw device hasn't played anything yet so don't change |
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234 // active buffer. This is checked in FillThisHwBuffer. |
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235 if(iDataPath->State() != CToneDataPath::EPaused) |
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236 { |
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237 iFirstCallFromHwDevice = ETrue; |
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238 } |
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239 iTonePlaying = ETrue; |
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240 error = iDataPath->Start(); |
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241 } |
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242 }//status == KErrNone |
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243 } |
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244 else // if tone playback is already ongoing do nothing |
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245 { |
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246 DP0(DLINFO,"Previous tone call is not completed yet"); |
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247 } |
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248 DP0_RET(error, "%d"); |
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249 } |
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250 |
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251 // --------------------------------------------------------------------------- |
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252 // from class CMMFHwDevice |
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253 // CToneHwDevice::Stop |
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254 // --------------------------------------------------------------------------- |
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255 TInt CToneHwDevice::Stop() |
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256 { |
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257 DP_CONTEXT(CToneHwDevice::Stop *CD1*, CtxDevSound, DPLOCAL); |
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258 DP_IN(); |
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259 if (iTonePlaying) |
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260 { |
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261 iTonePlaying = EFalse; |
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262 } |
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263 |
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264 if (!iDataPath) |
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265 { |
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266 DP0_RET(KErrNotReady, "%d"); |
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267 } |
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268 |
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269 delete iDataPath; |
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270 iDataPath = NULL; |
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271 |
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272 //Setting device to NULL since after stop it doesn't exists any more |
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273 if(iPlayCustomInterface) |
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274 { |
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275 static_cast<TToneCustomInterface*>(iPlayCustomInterface)->SetDevice(NULL); |
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276 } |
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277 |
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278 DP0_RET(KErrNone, "%d"); |
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279 } |
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280 |
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281 // --------------------------------------------------------------------------- |
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282 // from class CMMFHwDevice |
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283 // CToneHwDevice::Pause |
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284 // --------------------------------------------------------------------------- |
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285 // |
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286 TInt CToneHwDevice::Pause() |
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287 { |
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288 DP_CONTEXT(CToneHwDevice::Pause *CD1*, CtxDevSound, DPLOCAL); |
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289 DP_IN(); |
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290 |
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291 if (!iDataPath) |
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292 { |
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293 DP0_RET(KErrNotReady, "%d"); |
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294 } |
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295 iDataPath->Pause(); |
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296 |
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297 DP0_RET(KErrNone, "%d"); |
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298 } |
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299 |
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300 // --------------------------------------------------------------------------- |
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301 // from class CMMFHwDevice |
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302 // CToneHwDevice::StopAndDeleteCodec |
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303 // --------------------------------------------------------------------------- |
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304 // |
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305 TInt CToneHwDevice::StopAndDeleteCodec() |
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306 { |
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307 DP_CONTEXT(CToneHwDevice::StopAndDeleteCodec *CD1*, CtxDevSound, DPLOCAL); |
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308 DP_IN(); |
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309 DP0_RET(KErrNotSupported, "%d"); |
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310 } |
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311 |
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312 // --------------------------------------------------------------------------- |
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313 // from class CMMFHwDevice |
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314 // CToneHwDevice::DeleteCodec |
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315 // --------------------------------------------------------------------------- |
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316 // |
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317 TInt CToneHwDevice::DeleteCodec() |
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318 { |
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319 DP_CONTEXT(CToneHwDevice::DeleteCodec *CD1*, CtxDevSound, DPLOCAL); |
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320 DP_IN(); |
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321 DP0_RET(KErrNotSupported, "%d"); |
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322 } |
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323 |
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324 // --------------------------------------------------------------------------- |
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325 // from class CMMFHwDevice |
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326 // CToneHwDevice::SetConfig |
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327 // --------------------------------------------------------------------------- |
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328 // |
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329 TInt CToneHwDevice::SetConfig(TTaskConfig& aConfig) |
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330 { |
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331 DP_CONTEXT(CToneHwDevice::SetConfig *CD1*, CtxDevSound, DPLOCAL); |
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332 DP_IN(); |
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333 |
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334 if (aConfig.iUid != KUidRefDevSoundTaskConfig) |
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335 { |
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336 DP0_RET(KErrArgument, "%d"); |
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337 } |
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338 |
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339 if (aConfig.iRate != KSupportedSampleRate ) |
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340 { |
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341 DP0_RET(KErrNotSupported, "%d"); |
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342 } |
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343 |
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344 iSampleRate = aConfig.iRate; |
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345 |
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346 if (aConfig.iStereoMode == ETaskMono) |
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347 { |
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348 iChannels = 1; |
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349 } |
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350 else if (aConfig.iStereoMode == ETaskInterleaved || aConfig.iStereoMode == ETaskNonInterleaved) |
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351 { |
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352 iChannels = 2; |
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353 } |
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354 else |
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355 { |
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356 DP0_RET(KErrArgument, "%d"); |
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357 } |
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358 |
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359 DP0_RET(KErrNone, "%d"); |
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360 } |
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361 |
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362 // CToneHwDevice::FillThisHwBuffer |
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363 // --------------------------------------------------------------------------- |
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364 TInt CToneHwDevice::FillThisHwBuffer(CMMFBuffer& aHwBuffer) |
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365 { |
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366 DP_CONTEXT(CToneHwDevice::FillThisHwBuffer *CD1*, CtxDevSound, DPLOCAL); |
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367 DP_IN(); |
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368 |
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369 TInt err(KErrNone); |
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370 |
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371 if(iFirstCallFromHwDevice) |
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372 { |
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373 err = iHwDeviceObserver->FillThisHwBuffer(aHwBuffer); |
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374 } |
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375 else |
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376 { |
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377 err = ThisHwBufferFilled(aHwBuffer); |
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378 } |
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379 DP0_RET(err,"%d"); |
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380 } |
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381 |
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382 // --------------------------------------------------------------------------- |
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383 // from class CMMFHwDevice |
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384 // CToneHwDevice::ThisHwBufferFilled |
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385 // --------------------------------------------------------------------------- |
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386 // |
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387 TInt CToneHwDevice::ThisHwBufferFilled(CMMFBuffer& aMmfBuffer) |
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388 { |
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389 DP_CONTEXT(CToneHwDevice::ThisHwBufferFilled *CD1*, CtxDevSound, DPLOCAL); |
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390 DP_IN(); |
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391 |
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392 TInt err = KErrNone; |
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393 CMMFDataBuffer* myBuffer = static_cast<CMMFDataBuffer*> (&aMmfBuffer); |
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394 // Set the request length, From HwDevice this comes with buffer |
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395 // length. |
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396 TInt len = myBuffer->Data().MaxLength(); |
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397 // Ignore error. since buffer size = Buffer Length |
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398 TRAP(err, myBuffer->SetRequestSizeL(len)); |
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399 |
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400 if(iFirstCallFromHwDevice) |
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401 { |
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402 myBuffer->SetLastBuffer(EFalse); |
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403 |
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404 Mem::Copy((TAny*)(&myToneData), (TAny*)(myBuffer->Data().Ptr()), sizeof(TToneData)); |
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405 |
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406 err = ReadToneData(); |
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407 if(err==KErrNone) |
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408 { |
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409 err= GenerateBufferData(); |
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410 } |
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411 } |
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412 else |
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413 { |
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414 // Hw device will call this method right after its Start was called. |
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415 // When it calls this for the first time it hasn't played one single |
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416 // buffer yet so check that. |
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417 // In this case there's no need to set the active buffer as it's already |
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418 // waiting to be played. |
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419 SetActiveToneBuffer(); |
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420 } |
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421 |
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422 if (err == KErrNone) |
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423 { |
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424 // If there is no data in the active buffer, tone play is finished. |
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425 // DevSound just have to wait for completion event from audio device. |
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426 if (iActiveToneBuffer->Data().Length() == 0) |
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427 { |
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428 iActiveToneBuffer->SetLastBuffer(ETrue); |
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429 myBuffer->SetLastBuffer(ETrue); |
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430 iLastBuffer=ETrue; |
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431 } |
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432 |
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433 TInt tonelen = iActiveToneBuffer->Data().Length(); |
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434 |
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435 // don't enter more data than can be handled by the receiving buffer |
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436 if (len >= tonelen) |
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437 { |
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438 len = tonelen; |
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439 } |
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440 |
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441 // Copy data from tone buffer to hw device buffer |
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442 Mem::Copy((TAny*)(myBuffer->Data().Ptr()), (TAny*)(iActiveToneBuffer->Data().Ptr()), len); |
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443 |
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444 myBuffer->Data().SetLength(len); |
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445 |
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446 //Play data and try to generate next data block |
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447 TRAP(err,iDataPath->BufferFilledL(static_cast<CMMFDataBuffer&> (*myBuffer))); |
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448 if(err == KErrNone) |
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449 { |
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450 if(iLastBuffer) |
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451 { |
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452 // coverity[check_after_deref] |
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453 if(myBuffer) |
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454 { |
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455 myBuffer = NULL; |
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456 } |
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457 FreeBuffers(); |
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458 iFirstCallFromHwDevice = EFalse; |
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459 } |
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460 else |
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461 { |
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462 // Check again whether this is the first call from Hw device. |
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463 // FillFreeToneBuffer assumes the iActiveToneBuffer has already |
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464 // been played. |
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465 if (!iFirstCallFromHwDevice) |
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466 { |
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467 err = FillFreeToneBuffer(); |
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468 } |
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469 else |
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470 { |
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471 iFirstCallFromHwDevice = EFalse; // Reset flag |
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472 } |
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473 } |
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474 } |
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475 } |
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476 if ( err != KErrNone ) |
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477 { |
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478 myBuffer->SetLastBuffer(ETrue); |
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479 myBuffer->Data().SetLength(0); |
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480 //Use error additional variable for sending last buffer so can still send Error(err) |
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481 TRAPD(datapathErr, iDataPath->BufferFilledL(static_cast<CMMFDataBuffer&> (*myBuffer))); |
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482 // coverity[check_after_deref] |
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483 if(myBuffer) |
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484 { |
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485 myBuffer = NULL; |
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486 } |
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487 FreeBuffers(); |
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488 iFirstCallFromHwDevice = EFalse; |
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489 if ( datapathErr != KErrNone ) |
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490 { |
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491 iHwDeviceObserver->Error(datapathErr); |
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492 DP0_RET(datapathErr, "%d"); |
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493 } |
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494 iHwDeviceObserver->Error(err); |
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495 } |
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496 DP0_RET(err, "%d"); |
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497 } |
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498 |
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499 // --------------------------------------------------------------------------- |
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500 // from class MMMFHwDeviceObserver |
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501 // CToneHwDevice::ThisHwBufferEmptied |
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502 // --------------------------------------------------------------------------- |
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503 TInt CToneHwDevice::ThisHwBufferEmptied(CMMFBuffer& /*aMmfBuffer*/) |
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504 { |
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505 DP_CONTEXT(CToneHwDevice::ThisHwBufferEmptied *CD1*, CtxDevSound, DPLOCAL); |
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506 DP_IN(); |
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507 DP0_RET(KErrNotSupported, "%d"); |
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508 } |
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509 |
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510 // --------------------------------------------------------------------------- |
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511 // from class MMMFHwDeviceObserver |
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512 // CToneHwDevice::EmptyThisHwBuffer |
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513 // --------------------------------------------------------------------------- |
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514 TInt CToneHwDevice::EmptyThisHwBuffer(CMMFBuffer& /*aMmfBuffer*/) |
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515 { |
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516 DP_CONTEXT(CToneHwDevice::EmptyThisHwBuffer *CD1*, CtxDevSound, DPLOCAL); |
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517 DP_IN(); |
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518 DP0_RET(KErrNotSupported, "%d"); |
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519 } |
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520 |
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521 // --------------------------------------------------------------------------- |
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522 // from class MMMFHwDeviceObserver |
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523 // CToneHwDevice::MsgFromHwDevice |
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524 // --------------------------------------------------------------------------- |
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525 TInt CToneHwDevice::MsgFromHwDevice(TUid aMessageType, const TDesC8& aMsg) |
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526 { |
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527 DP_CONTEXT(CToneHwDevice::MsgFromHwDevice *CD1*, CtxDevSound, DPLOCAL); |
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528 DP_IN(); |
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529 TInt err(KErrNone); |
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530 err = iHwDeviceObserver->MsgFromHwDevice(aMessageType, aMsg); |
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531 DP0_RET(err, "%d"); |
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532 } |
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533 |
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534 // --------------------------------------------------------------------------- |
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535 // from class MMMFHwDeviceObserver |
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536 // CToneHwDevice::Stopped |
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537 // --------------------------------------------------------------------------- |
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538 void CToneHwDevice::Stopped() |
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539 { |
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540 DP_CONTEXT(CToneHwDevice::Stopped *CD1*, CtxDevSound, DPLOCAL); |
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541 DP_IN(); |
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542 iHwDeviceObserver->Stopped(); |
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543 DP_OUT(); |
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544 } |
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545 |
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546 // --------------------------------------------------------------------------- |
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547 // from class MMMFHwDeviceObserver |
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548 // CToneHwDevice::Error |
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549 // --------------------------------------------------------------------------- |
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550 void CToneHwDevice::Error(TInt aError) |
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551 { |
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552 DP_CONTEXT(CToneHwDevice::Error *CD1*, CtxDevSound, DPLOCAL); |
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553 DP_IN(); |
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554 iHwDeviceObserver->Error(aError); |
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555 DP_OUT(); |
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556 } |
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557 |
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558 // --------------------------------------------------------------------------- |
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559 // from class CMMFHwDevice |
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560 // CToneHwDevice::CustomInterface |
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561 // --------------------------------------------------------------------------- |
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562 // |
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563 TAny* CToneHwDevice::CustomInterface(TUid aInterfaceUid) |
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564 { |
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565 DP_CONTEXT(CToneHwDevice::CustomInterface *CD1*, CtxDevSound, DPLOCAL); |
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566 DP_IN(); |
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567 |
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568 TAny* ret = NULL; |
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569 TInt err = KErrNone; |
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570 |
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571 if (aInterfaceUid.iUid == KMmfPlaySettingsCustomInterface) |
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572 { |
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573 if (!iPlayCustomInterface) |
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574 { |
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575 TRAP(err,iPlayCustomInterface = new(ELeave)TToneCustomInterface()); |
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576 } |
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577 if (err) |
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578 { |
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579 ret = NULL; |
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580 } |
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581 else |
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582 { |
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583 ret = static_cast<TAny*>(iPlayCustomInterface); |
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584 } |
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585 } |
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586 else if (aInterfaceUid == KIgnoreUnderflowCustomInterfaceTypeUid) |
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587 { |
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588 if (!iDataPath) |
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589 { |
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590 ret = NULL; |
|
591 } |
|
592 else |
|
593 { |
|
594 ret = static_cast<CToneDataPath*>(iDataPath)->CustomInterface(aInterfaceUid); |
|
595 } |
|
596 } |
|
597 |
|
598 DP_OUT(); |
|
599 return ret; |
|
600 } |
|
601 |
|
602 TInt CToneHwDevice::ReadToneData() |
|
603 { |
|
604 DP_CONTEXT(CToneHwDevice::ReadToneData *CD1*, CtxDevSound, DPLOCAL); |
|
605 DP_IN(); |
|
606 |
|
607 TUint vol; |
|
608 myToneData.GetType(iToneType); |
|
609 TInt64 zeroInt64(0); |
|
610 iFrequency1 = myToneData.GetFrequencyOne(); |
|
611 iFrequency2 = myToneData.GetFrequencyTwo(); |
|
612 myToneData.GetDuration(iDuration); |
|
613 |
|
614 myToneData.GetRepeatTrailingSilence(iRepeatTrailingSilence); |
|
615 iRepeatCount = myToneData.GetRepeatCount(); |
|
616 iRampDuration = iPlayCustomInterface->VolumeRamp(); |
|
617 vol = iPlayCustomInterface->Volume(); |
|
618 iDataPath->Device().SetPlayVolume(vol); |
|
619 switch (iToneType) |
|
620 { |
|
621 case TToneData::ESimple: |
|
622 DP0(DLINFO, "Playing simple tone"); |
|
623 iDataPath->Device().GetPlayFormat(soundDeviceSettings); |
|
624 if((iFrequency1<0) || (iDuration.Int64() < zeroInt64)) |
|
625 { |
|
626 iHwDeviceObserver->Error(KErrArgument); |
|
627 DP0_RET(KErrArgument, "%d"); |
|
628 } |
|
629 iToneGen.SetFrequencyAndDuration(iFrequency1,iDuration); |
|
630 // Configure tone generator |
|
631 iToneGen.Configure( |
|
632 soundDeviceSettings().iRate, |
|
633 soundDeviceSettings().iChannels, |
|
634 iRepeatCount, |
|
635 I64LOW((iRepeatTrailingSilence.Int64()*soundDeviceSettings().iRate)/1000000), |
|
636 I64LOW((iRampDuration.Int64()*soundDeviceSettings().iRate)/1000000) |
|
637 ); |
|
638 iCurrentGenerator = &iToneGen; |
|
639 break; |
|
640 case TToneData::EDual: |
|
641 DP0(DLINFO, "Playing dual tone"); |
|
642 iDataPath->Device().GetPlayFormat(soundDeviceSettings); |
|
643 if((iFrequency1<0) || (iFrequency2<0) || (iDuration.Int64() < zeroInt64)) |
|
644 { |
|
645 iHwDeviceObserver->Error(KErrArgument); |
|
646 DP0_RET(KErrArgument, "%d"); |
|
647 } |
|
648 iDualToneGen.SetFrequencyAndDuration(iFrequency1, iFrequency2, iDuration); |
|
649 // Configure dual tone generator |
|
650 iDualToneGen.Configure( |
|
651 soundDeviceSettings().iRate, |
|
652 soundDeviceSettings().iChannels, |
|
653 iRepeatCount, |
|
654 I64LOW((iRepeatTrailingSilence.Int64()*soundDeviceSettings().iRate)/KOneMillionMicroSeconds), |
|
655 I64LOW((iRampDuration.Int64()*soundDeviceSettings().iRate)/KOneMillionMicroSeconds) |
|
656 ); |
|
657 iCurrentGenerator = &iDualToneGen; |
|
658 break; |
|
659 case TToneData::EDtmfString: |
|
660 DP0(DLINFO, "Playing DTMF string"); |
|
661 myToneData.GetDtmfLenghts(myToneOnLength, myToneOffLength, myPauseLength); |
|
662 iDTMFGen.SetToneDurations(myToneOnLength, myToneOffLength, myPauseLength); |
|
663 iDTMFString = myToneData.GetDTMFString(); |
|
664 if(!ValidDTMFString(const_cast<TDesC&>(*iDTMFString))) |
|
665 { |
|
666 DP0(DLINFO, "Invalid DTMF String"); |
|
667 iHwDeviceObserver->Error(KErrCorrupt); |
|
668 DP0_RET(KErrCorrupt, "%d"); |
|
669 } |
|
670 iDTMFGen.SetString(const_cast<TDesC&>(*iDTMFString)); |
|
671 iDataPath->Device().GetPlayFormat(soundDeviceSettings); |
|
672 iDTMFGen.Configure( |
|
673 soundDeviceSettings().iRate, |
|
674 soundDeviceSettings().iChannels, |
|
675 iRepeatCount, |
|
676 I64LOW((iRepeatTrailingSilence.Int64()*soundDeviceSettings().iRate)/1000000), |
|
677 I64LOW((iRampDuration.Int64()*soundDeviceSettings().iRate)/1000000) |
|
678 ); |
|
679 iCurrentGenerator = &iDTMFGen; |
|
680 break; |
|
681 case TToneData::ESequence: |
|
682 DP0(DLINFO, "Playing tone sequence"); |
|
683 iSequenceData = myToneData.GetSequenceData(); |
|
684 // Check whether the sequence is signed or not |
|
685 if (!RecognizeSequence(*iSequenceData)) |
|
686 { |
|
687 DP0(DLINFO, "Invalid Sequence Sign"); |
|
688 iHwDeviceObserver->Error(KErrCorrupt); |
|
689 DP0_RET(KErrCorrupt, "%d"); |
|
690 } |
|
691 iSequenceGen.SetSequenceData(*iSequenceData); |
|
692 iDataPath->Device().GetPlayFormat(soundDeviceSettings); |
|
693 iSequenceGen.Configure( |
|
694 soundDeviceSettings().iRate, |
|
695 soundDeviceSettings().iChannels, |
|
696 iRepeatCount, |
|
697 I64LOW((iRepeatTrailingSilence.Int64()*soundDeviceSettings().iRate)/1000000), |
|
698 I64LOW((iRampDuration.Int64()*soundDeviceSettings().iRate)/1000000) |
|
699 ); |
|
700 iCurrentGenerator = &iSequenceGen; |
|
701 break; |
|
702 case TToneData::EFixedSequence: |
|
703 DP0(DLINFO, "Playing FixedSequnce"); |
|
704 iHwDeviceObserver->Error(KErrNotSupported); |
|
705 DP0_RET(KErrNotSupported, "%d"); |
|
706 default: |
|
707 DP0_RET(KErrNotSupported, "%d"); |
|
708 } |
|
709 DP0_RET(KErrNone, "%d"); |
|
710 } |
|
711 |
|
712 /* |
|
713 * |
|
714 * Creates buffer and begin playback using the specified tone generator. |
|
715 * |
|
716 */ |
|
717 TInt CToneHwDevice::GenerateBufferData() |
|
718 { |
|
719 DP_CONTEXT(CToneHwDevice::GenerateBufferData *CD1*, CtxDevSound, DPLOCAL); |
|
720 DP_IN(); |
|
721 |
|
722 TInt err; |
|
723 err = KErrNone; |
|
724 |
|
725 // Delete any buffer from previous call and try to create maximum buffer |
|
726 // size. Double Buffer the Tone data. |
|
727 if (iToneBuffer1) |
|
728 { |
|
729 delete iToneBuffer1; |
|
730 iToneBuffer1 = NULL; |
|
731 } |
|
732 //note the tone buffer needs to be the same as the pcm16->pcm16 'null' |
|
733 //hw device plugin |
|
734 // Buffer size = (SampleRate * BytesPerSample * Channels) / 4 |
|
735 TInt useBufferOfSize = ((SamplingFrequency() * 2 * NumberOfChannels())/KDevSoundFramesPerSecond + (KDevSoundDeltaFrameSize-1)) &~ (KDevSoundDeltaFrameSize-1); |
|
736 //clamp buffer to desired limits |
|
737 if(useBufferOfSize < KDevSoundMinFrameSize) |
|
738 { |
|
739 useBufferOfSize = KDevSoundMinFrameSize; |
|
740 } |
|
741 else if(useBufferOfSize > KDevSoundMaxFrameSize) |
|
742 { |
|
743 useBufferOfSize = KDevSoundMaxFrameSize; |
|
744 } |
|
745 |
|
746 TRAP(err, iToneBuffer1 = CMMFDataBuffer::NewL(useBufferOfSize)); |
|
747 if ( err != KErrNone ) |
|
748 { |
|
749 DP0_RET(err, "%d"); |
|
750 } |
|
751 |
|
752 err = iCurrentGenerator->FillBuffer(iToneBuffer1->Data()); |
|
753 if(err!=KErrNone) |
|
754 { |
|
755 DP0_RET(err, "%d"); |
|
756 } |
|
757 |
|
758 if (iToneBuffer2) |
|
759 { |
|
760 delete iToneBuffer2; |
|
761 iToneBuffer2 = NULL; |
|
762 } |
|
763 |
|
764 TRAP(err, iToneBuffer2 = CMMFDataBuffer::NewL(useBufferOfSize)); |
|
765 if ( err != KErrNone ) |
|
766 { |
|
767 DP0_RET(err, "%d"); |
|
768 } |
|
769 |
|
770 err = iCurrentGenerator->FillBuffer(iToneBuffer2->Data()); |
|
771 if(err!=KErrNone) |
|
772 { |
|
773 DP0_RET(err, "%d"); |
|
774 } |
|
775 |
|
776 // Assign active buffer |
|
777 iActiveToneBuffer = iToneBuffer1; |
|
778 DP0_RET(KErrNone, "%d"); |
|
779 } |
|
780 |
|
781 /* |
|
782 * |
|
783 * This method assigns the other buffer as active buffer. The tone audio |
|
784 * generator should fill data in the other buffer by now. |
|
785 * |
|
786 */ |
|
787 void CToneHwDevice::SetActiveToneBuffer() |
|
788 { |
|
789 if (iActiveToneBuffer == iToneBuffer1) |
|
790 iActiveToneBuffer = iToneBuffer2; |
|
791 else if (iActiveToneBuffer == iToneBuffer2) |
|
792 iActiveToneBuffer = iToneBuffer1; |
|
793 } |
|
794 |
|
795 |
|
796 void CToneHwDevice::FreeBuffers() |
|
797 { |
|
798 if(iToneBuffer1) |
|
799 { |
|
800 delete iToneBuffer1; |
|
801 iToneBuffer1 = NULL; |
|
802 } |
|
803 if(iToneBuffer2) |
|
804 { |
|
805 delete iToneBuffer2; |
|
806 iToneBuffer2 = NULL; |
|
807 } |
|
808 } |
|
809 |
|
810 /* |
|
811 * |
|
812 * Returns an integer representing Sampling Frequency the device is currently |
|
813 * configured to. |
|
814 * |
|
815 * @return "TInt" |
|
816 * Sampling Frequency. |
|
817 * |
|
818 */ |
|
819 TInt CToneHwDevice::SamplingFrequency() |
|
820 { |
|
821 return iSampleRate; |
|
822 } |
|
823 |
|
824 /* |
|
825 * |
|
826 * Returns an integer representing number of channels the device is currently |
|
827 * configured to. |
|
828 * |
|
829 * @return "TInt" |
|
830 * Number of audio channels 1 if mono, 2 if stereo. |
|
831 * |
|
832 */ |
|
833 TInt CToneHwDevice::NumberOfChannels() |
|
834 { |
|
835 if(iChannels == EMMFMono) |
|
836 return 1; |
|
837 else |
|
838 return 2; |
|
839 } |
|
840 |
|
841 /* |
|
842 * |
|
843 * This method fills data into the free buffer. |
|
844 * |
|
845 * @return "TInt" |
|
846 * Error code. KErrNone if success. |
|
847 * |
|
848 */ |
|
849 TInt CToneHwDevice::FillFreeToneBuffer() |
|
850 { |
|
851 TInt err(KErrNone); |
|
852 if (iActiveToneBuffer == iToneBuffer1) |
|
853 { |
|
854 err = iCurrentGenerator->FillBuffer(iToneBuffer2->Data()); |
|
855 } |
|
856 else if (iActiveToneBuffer == iToneBuffer2) |
|
857 { |
|
858 err = iCurrentGenerator->FillBuffer(iToneBuffer1->Data()); |
|
859 } |
|
860 return err; |
|
861 } |
|
862 |
|
863 TBool CToneHwDevice::RecognizeSequence(const TDesC8& aData) |
|
864 { |
|
865 // Reference plug-in only supports its own sequence format |
|
866 _LIT8(KSequenceSignature,"SQNC"); |
|
867 if (aData.Length() > 4) |
|
868 { |
|
869 if (aData.Left(4) == KSequenceSignature) |
|
870 { |
|
871 return ETrue; |
|
872 } |
|
873 } |
|
874 // Didn't recognise |
|
875 return EFalse; |
|
876 } |
|
877 |
|
878 TBool CToneHwDevice::ValidDTMFString(const TDesC& aDTMFString) |
|
879 { |
|
880 const TDesC* stringDTMF = &aDTMFString;; |
|
881 TInt stringPos = 0; |
|
882 if (stringPos == stringDTMF->Length()) |
|
883 { |
|
884 return EFalse; // Finished. Nothing to do |
|
885 } |
|
886 do |
|
887 { |
|
888 TChar c((*stringDTMF)[stringPos++]); |
|
889 if (static_cast<TUint> (c)=='#' || static_cast<TUint> (c)=='*' || static_cast<TUint> (c)==',' || c.IsHexDigit() || c.IsSpace()) |
|
890 { |
|
891 //Do nothing, valid character |
|
892 } |
|
893 else |
|
894 { |
|
895 return EFalse; |
|
896 } |
|
897 |
|
898 } |
|
899 while(stringPos < stringDTMF->Length()); |
|
900 return ETrue; |
|
901 } |
|
902 |
|
903 |
|
904 /************************************************************************ |
|
905 * TToneCustomInterface * |
|
906 ************************************************************************/ |
|
907 /** |
|
908 * This method is not be exported as it is only |
|
909 * intended to be called within this DLL. |
|
910 * It's purpose is to assign an RMdaDevSound to the play |
|
911 * custom interface |
|
912 * @internalComponent |
|
913 */ |
|
914 void TToneCustomInterface::SetDevice(RMdaDevSound* aDevice) |
|
915 { |
|
916 iDevice = aDevice; |
|
917 } |
|
918 |
|
919 void TToneCustomInterface::SetVolume(TUint aVolume) |
|
920 { |
|
921 iVolume = aVolume; |
|
922 if (iDevice && iDevice->Handle()!=0) |
|
923 { |
|
924 iDevice->SetPlayVolume(aVolume); |
|
925 } |
|
926 } |
|
927 |
|
928 /** |
|
929 * Procedure to get the number of bytes played by the device driver |
|
930 * If there is no handle available to the device driver then the |
|
931 * procedure returns the last known value |
|
932 * @released |
|
933 * @return number of bytes played |
|
934 */ |
|
935 TUint TToneCustomInterface::BytesPlayed() |
|
936 { |
|
937 if(iDevice) |
|
938 { |
|
939 if (iDevice->Handle()) |
|
940 { |
|
941 iBytesPlayed = iDevice->BytesPlayed(); |
|
942 } |
|
943 } |
|
944 return iBytesPlayed; |
|
945 } |
|
946 |
|
947 |
|
948 // |
|
949 // class CToneCodec // |
|
950 // |
|
951 |
|
952 // --------------------------------------------------------------------------- |
|
953 // from class CToneCodec |
|
954 // CToneCodec::CToneCodec |
|
955 // --------------------------------------------------------------------------- |
|
956 // |
|
957 CToneCodec::CToneCodec() |
|
958 { |
|
959 } |
|
960 |
|
961 // --------------------------------------------------------------------------- |
|
962 // from class CToneCodec |
|
963 // CToneCodec::~CToneCodec |
|
964 // --------------------------------------------------------------------------- |
|
965 // |
|
966 CToneCodec::~CToneCodec() |
|
967 { |
|
968 } |
|
969 |
|
970 // --------------------------------------------------------------------------- |
|
971 // from class CToneCodec |
|
972 // CToneCodec::ConstructL |
|
973 // --------------------------------------------------------------------------- |
|
974 // |
|
975 void CToneCodec::ConstructL() |
|
976 { |
|
977 } |
|
978 |
|
979 |
|
980 // --------------------------------------------------------------------------- |
|
981 // from class CToneCodec |
|
982 // CToneCodec::ProcessL |
|
983 // --------------------------------------------------------------------------- |
|
984 // |
|
985 CToneCodec::TCodecProcessResult CToneCodec::ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/) |
|
986 { |
|
987 //no processing required for null codec |
|
988 User::Leave(KErrNotSupported); |
|
989 //to keep compiler happy |
|
990 TCodecProcessResult result; |
|
991 result.iCodecProcessStatus = TCodecProcessResult::EEndOfData; |
|
992 result.iSrcBytesProcessed = 0; |
|
993 result.iDstBytesAdded = 0; |
|
994 return result; |
|
995 } |
|
996 |
|
997 // --------------------------------------------------------------------------- |
|
998 // from class CToneCodec |
|
999 // CToneCodec::SourceBufferSize |
|
1000 // --------------------------------------------------------------------------- |
|
1001 // |
|
1002 TUint CToneCodec::SourceBufferSize() |
|
1003 { |
|
1004 return KPCM16ToPCM16BufferSize; |
|
1005 } |
|
1006 |
|
1007 // --------------------------------------------------------------------------- |
|
1008 // from class CToneCodec |
|
1009 // CToneCodec::SinkBufferSize |
|
1010 // --------------------------------------------------------------------------- |
|
1011 // |
|
1012 TUint CToneCodec::SinkBufferSize() |
|
1013 { |
|
1014 return KPCM16ToPCM16BufferSize; |
|
1015 } |
|
1016 |
|
1017 |
|
1018 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
|
1019 /** |
|
1020 * ImplementationGroupProxy |
|
1021 * is called to get a pointer to the plugin's implementation table, or table |
|
1022 * of functions used to instantiate the plugin. |
|
1023 * @since |
|
1024 * @param aTableCount returns the number of functions in the table. |
|
1025 * @return retuns a pointer to the table. |
|
1026 */ |
|
1027 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
|
1028 { |
|
1029 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
|
1030 return ImplementationTable; |
|
1031 } |