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1 //audiocodec.cpp |
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2 |
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3 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 // All rights reserved. |
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5 // This component and the accompanying materials are made available |
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6 // under the terms of "Eclipse Public License v1.0" |
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7 // which accompanies this distribution, and is available |
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8 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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9 // |
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10 // Initial Contributors: |
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11 // Nokia Corporation - initial contribution. |
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12 // |
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13 // Contributors: |
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14 // |
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15 // Description: |
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16 // |
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17 |
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18 |
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19 |
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20 #include <a3f/a3fbase.h> |
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21 #include <a3f/a3ffourcclookup.h> |
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22 #include <a3f/audioprocessingunittypeuids.h> |
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23 #include "maudiocodecadaptationobserver.h" |
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24 #include "audiocodec.h" |
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25 #include "resourcedata.h" |
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26 |
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27 // THIS WILL REMAIN UNTIL THE REQUIREMENT WILL BE DEFINED |
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28 // THIS IMPLEMENTATION WILL WORK ONLY FOR HW DEVICES IMPLEMNETED AS SOFTWARE CODEC WRAPPERS |
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29 #define INCLUDE_HWDEVICES_AS_SWCODEC_WRAPPERS |
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30 |
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31 #ifdef INCLUDE_HWDEVICES_AS_SWCODEC_WRAPPERS |
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32 #include <mmf/server/mmfswcodecwrappercustominterfacesuids.hrh> |
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33 #endif |
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34 |
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35 const TInt KMicroSecsInOneSec = 1000000; |
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36 const TInt KHwDeviceDefaultDataLength= 9; |
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37 const TUint KDefaultMaxGain = 255; // TODO should discover at run time but this is value of current Symbian sound driver adaptor |
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38 |
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39 //Values to find the request ask by the client |
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40 const TInt KRequestSampleRate = 0x0001; |
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41 const TInt KRequestMode = 0x0002; |
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42 const TAudioModeTableEntry KModeTableLookup[] = { |
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43 { EMMFMono, {KA3FModeMonoValue} }, |
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44 { EMMFStereo, {KA3FModeStereoNonInterleavedValue} }, |
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45 }; |
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46 |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // Constructor |
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50 // --------------------------------------------------------------------------- |
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51 CAudioCodec::CAudioCodec(TUid aTypeId, const CFourCCConvertor& aFourCCConvertor) |
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52 : CActive(EPriorityStandard), |
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53 iLastBuffer(EFalse), |
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54 iHwDeviceState(EIdle), |
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55 iLastBufferAck(EFalse), |
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56 iRampOperation(KNullUid) |
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57 { |
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58 TRACE_CREATE(); |
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59 DP_CONTEXT(CAudioCodec::CAudioCodec *CD1*, CtxDevSound, DPLOCAL); |
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60 DP_IN(); |
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61 if(aTypeId==KUidAudioEncoder) |
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62 { |
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63 iMode = EEncode; |
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64 } |
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65 else if(aTypeId==KUidAudioDecoder) |
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66 { |
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67 iMode = EDecode; |
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68 } |
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69 iFourCCConvertor = static_cast<CFourCCConvertor*>( const_cast<CFourCCConvertor*>(&aFourCCConvertor) ); |
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70 |
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71 iHwDeviceInitArgs.iEapStreamId = 0; |
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72 iHwDeviceInitArgs.iPolicyId = 0; |
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73 DP_OUT(); |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // Factory method |
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78 // --------------------------------------------------------------------------- |
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79 EXPORT_C CAudioCodec* CAudioCodec::NewL(TUid aTypeId, const CFourCCConvertor& aFourCCConvertor) |
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80 { |
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81 DP_STATIC_CONTEXT(CAudioCodec::NewL *CD0*, CtxDevSound, DPLOCAL); |
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82 DP_IN(); |
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83 CAudioCodec* self = new(ELeave)CAudioCodec(aTypeId, aFourCCConvertor); |
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84 CleanupStack::PushL(self); |
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85 self->ConstructL(); |
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86 CleanupStack::Pop(self); |
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87 DP0_RET(self, "0x%x"); |
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88 } |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // Second phase constructor |
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92 // --------------------------------------------------------------------------- |
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93 void CAudioCodec::ConstructL() |
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94 { |
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95 DP_CONTEXT(CAudioCodec::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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96 DP_IN(); |
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97 CActiveScheduler::Add(this); |
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98 DP_OUT(); |
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99 } |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // Destructor |
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103 // --------------------------------------------------------------------------- |
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104 CAudioCodec::~CAudioCodec() |
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105 { |
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106 DP_CONTEXT(CAudioCodec::~CAudioCodec *CD1*, CtxDevSound, DPLOCAL); |
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107 DP_IN(); |
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108 iAudioCodecObservers.Close(); |
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109 if (iHwDevice) |
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110 { |
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111 if (!iHwDeviceState == EStopped) |
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112 { |
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113 DP0(DLINFO, "StopAndDeleteCodec"); |
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114 iHwDevice->StopAndDeleteCodec(); |
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115 } |
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116 delete iHwDevice; |
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117 iHwDevice = NULL; |
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118 } |
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119 Cancel(); |
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120 DP_OUT(); |
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121 } |
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122 |
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123 // --------------------------------------------------------------------------- |
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124 // CAudioCodec::SetFormat |
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125 // --------------------------------------------------------------------------- |
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126 EXPORT_C TInt CAudioCodec::SetFormat(TUid aFormat) |
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127 { |
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128 DP_CONTEXT(CAudioCodec::SetFormat *CD1*, CtxDevSound, DPLOCAL); |
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129 DP_IN(); |
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130 iFormat = aFormat; |
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131 DP0_RET(KErrNone, "%d"); |
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132 } |
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133 |
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134 // --------------------------------------------------------------------------- |
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135 // CAudioCodec::Initialize |
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136 // --------------------------------------------------------------------------- |
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137 EXPORT_C TInt CAudioCodec::Initialize() |
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138 { |
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139 DP_CONTEXT(CAudioCodec::Initialize *CD1*, CtxDevSound, DPLOCAL); |
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140 DP_IN(); |
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141 TInt err(KErrNone); |
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142 TFourCC aFourCC(0); |
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143 err = iFourCCConvertor->FormatToFourCC(iFormat,aFourCC); |
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144 if(err == KErrNotFound) |
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145 { |
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146 err = KErrNotSupported; |
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147 } |
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148 if(err == KErrNone) |
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149 { |
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150 TRAP(err, FourCCToHwDeviceUidL(aFourCC, iMode, iDeviceUid) ); |
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151 } |
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152 if (err == KErrNone) |
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153 { |
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154 err = LoadHwDevice(); |
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155 } |
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156 |
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157 #ifdef INCLUDE_HWDEVICES_AS_SWCODEC_WRAPPERS |
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158 if (err == KErrNone) |
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159 { |
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160 TUid interfaceUid = {0}; |
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161 TAny* interface = NULL; |
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162 if (iMode == EDecode) |
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163 { |
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164 interfaceUid.iUid = KMmfPlaySettingsCustomInterface; |
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165 } |
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166 else if(iMode == EEncode) |
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167 { |
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168 interfaceUid.iUid = KMmfRecordSettingsCustomInterface; |
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169 } |
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170 |
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171 // This call at the sw codec wrapper creates the custom interfaces for playing and record |
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172 if(iHwDevice) |
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173 { |
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174 interface = iHwDevice->CustomInterface(interfaceUid); |
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175 if (iMode == EDecode) |
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176 { |
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177 iPlayCustomInterface = static_cast<MPlayCustomInterface*>(interface); |
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178 } |
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179 else if(iMode == EEncode) |
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180 { |
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181 iRecordCustomInterface = static_cast<MRecordCustomInterface*>(interface); |
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182 } |
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183 } |
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184 } |
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185 |
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186 #endif |
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187 if(err == KErrNone) |
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188 { |
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189 err = InitHwDevice(); |
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190 } |
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191 DP0_RET(err, "%d"); |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // CAudioCodec::Load |
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196 // --------------------------------------------------------------------------- |
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197 EXPORT_C TInt CAudioCodec::Load(TInt aSampleRate, TUid aMode) |
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198 { |
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199 DP_CONTEXT(CAudioCodec::Load *CD1*, CtxDevSound, DPLOCAL); |
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200 DP_IN(); |
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201 iSampleRateConfig = aSampleRate; |
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202 iModeConfig = aMode; |
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203 TInt err(KErrNone); |
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204 err = SetHwDeviceConfig(); |
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205 DP0_RET(err, "%d"); |
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206 } |
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207 |
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208 // --------------------------------------------------------------------------- |
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209 // CAudioCodec::Start |
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210 // --------------------------------------------------------------------------- |
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211 EXPORT_C TInt CAudioCodec::Start() |
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212 { |
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213 DP_CONTEXT(CAudioCodec::Start *CD1*, CtxDevSound, DPLOCAL); |
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214 DP_IN(); |
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215 TInt err(KErrNone); |
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216 iLastBuffer = EFalse; |
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217 |
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218 // Needed since ToneHwDevice only exchange one buffer with its client |
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219 // Resume shouldn't clear the last buffer flag |
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220 // since this wont' result on a new buffer request |
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221 if(iHwDeviceState == EPaused && iDeviceUid.iUid == KUidToneHwDevice) |
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222 { |
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223 iLastBuffer = ETrue; |
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224 } |
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225 |
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226 if (iHwDevice) |
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227 { |
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228 PRF(PRF_ID, PRF_START, PRF_TIME, AA_DS_StartHwDevice, ""); |
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229 if (iMode == EDecode) |
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230 { |
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231 // PLAY |
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232 err = iHwDevice->Start(EDevDecode, EDevOutFlow); |
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233 DP1(DLINFO,"hwdevice decode start: error %d",err); |
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234 iIgnoreUnderflowInterface = reinterpret_cast<MIgnoreUnderflowEventsCustomInterface*>(iHwDevice->CustomInterface(KIgnoreUnderflowCustomInterfaceTypeUid)); |
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235 if(iIgnoreUnderflowInterface) |
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236 { |
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237 iIgnoreUnderflowInterface->IgnoreUnderflowEvents(); |
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238 } |
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239 } |
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240 else if (iMode == EEncode) |
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241 { |
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242 // RECORD |
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243 err = iHwDevice->Start(EDevEncode, EDevInFlow); |
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244 DP1(DLINFO,"hwdevice encode start: error %d",err); |
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245 } |
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246 else |
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247 { |
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248 err = KErrNotSupported; |
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249 DP1(DLINFO,"CAudioCodec::StartHwDevice - Unknown mode %d", iMode); |
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250 } |
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251 PRF(PRF_ID, PRF_STOP, PRF_TIME, AA_DS_StartHwDevice, ""); |
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252 } |
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253 else |
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254 { |
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255 err = KErrHardwareNotAvailable; |
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256 } |
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257 |
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258 if (err == KErrNone) |
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259 { |
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260 iHwDeviceState = ERunning; |
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261 } |
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262 iLastBufferAck = EFalse; |
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263 DP0_RET(err, "%d"); |
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264 } |
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265 |
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266 // --------------------------------------------------------------------------- |
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267 // CAudioCodec::Pause |
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268 // --------------------------------------------------------------------------- |
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269 EXPORT_C TInt CAudioCodec::Pause() |
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270 { |
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271 DP_CONTEXT(CAudioCodec::Pause *CD1*, CtxDevSound, DPLOCAL); |
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272 DP_IN(); |
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273 TInt err(KErrNone); |
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274 if (iHwDevice) |
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275 { |
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276 DP0(DLINFO,"Pause hwdevice"); |
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277 err = iHwDevice->Pause(); |
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278 } |
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279 iHwDeviceState = EPaused; |
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280 DP0_RET(err, "%d"); |
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281 } |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // CAudioCodec::Stop |
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285 // --------------------------------------------------------------------------- |
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286 EXPORT_C TInt CAudioCodec::Stop() |
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287 { |
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288 DP_CONTEXT(CAudioCodec::Stop *CD1*, CtxDevSound, DPLOCAL); |
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289 DP_IN(); |
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290 TInt err(KErrNone); |
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291 if (iHwDevice && !(iHwDeviceState == EStopped)) |
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292 { |
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293 DP0(DLINFO,"Stop hwdevice"); |
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294 UpdateBytesPlayed(); |
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295 err = iHwDevice->Stop(); |
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296 iHwDeviceState = EStopped; |
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297 } |
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298 iLastBufferAck = EFalse; |
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299 DP0_RET(err, "%d"); |
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300 } |
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301 |
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302 // --------------------------------------------------------------------------- |
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303 // CAudioCodec::GetSupportedSampleRates |
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304 // --------------------------------------------------------------------------- |
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305 TInt CAudioCodec::GetSupportedSampleRates(RArray<TInt>& aSupportedRates) |
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306 { |
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307 DP_CONTEXT(CAudioCodec::GetSupportedSampleRates *CD1*, CtxDevSound, DPLOCAL); |
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308 DP_IN(); |
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309 TInt err(KErrNone); |
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310 aSupportedRates.Reset(); |
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311 // Ask for rates from resource files |
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312 err = ReadResourceRates(aSupportedRates); |
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313 |
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314 DP0_RET(err, "%d"); |
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315 } |
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316 |
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317 // --------------------------------------------------------------------------- |
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318 // CAudioCodec::GetSupportedModes |
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319 // --------------------------------------------------------------------------- |
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320 TInt CAudioCodec::GetSupportedModes(RArray<TUid>& aSupportedModes) |
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321 { |
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322 DP_CONTEXT(CAudioCodec::GetSupportedModes *CD1*, CtxDevSound, DPLOCAL); |
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323 DP_IN(); |
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324 TInt err(KErrNone); |
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325 aSupportedModes.Reset(); |
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326 // Ask for modes from resource files |
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327 err = ReadResourceModes(aSupportedModes); |
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328 |
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329 DP0_RET(err, "%d"); |
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330 } |
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331 |
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332 // --------------------------------------------------------------------------- |
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333 // CAudioCodec::GetCustomInterface |
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334 // --------------------------------------------------------------------------- |
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335 TInt CAudioCodec::RequestCustomInterface(TUid aUid, TAny*& aPtr) |
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336 { |
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337 DP_CONTEXT(CAudioCodec::GetCustomInterface *CD1*, CtxDevSound, DPLOCAL); |
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338 DP_IN(); |
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339 TInt err = KErrNone; |
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340 if(iHwDevice) |
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341 { |
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342 aPtr = iHwDevice->CustomInterface(aUid); |
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343 } |
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344 else |
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345 { |
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346 err = KErrNotReady; |
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347 } |
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348 DP0_RET(err, "%d"); |
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349 } |
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350 |
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351 // --------------------------------------------------------------------------- |
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352 // CAudioCodec::RegisterObserver |
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353 // --------------------------------------------------------------------------- |
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354 TInt CAudioCodec::RegisterObserver(MCustomInterfaceSupportObserver& aObserver) |
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355 { |
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356 DP_CONTEXT(CAudioCodec::RegisterObserver *CD1*, CtxDevSound, DPLOCAL); |
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357 DP_IN(); |
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358 TInt err = KErrNone; |
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359 err = iCISupportObservers.Find(&aObserver); |
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360 if( err != KErrNotFound ) |
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361 { |
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362 err = KErrAlreadyExists; |
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363 } |
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364 else |
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365 { |
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366 err = iCISupportObservers.Append(&aObserver); |
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367 } |
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368 DP0_RET(err, "%d"); |
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369 } |
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370 |
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371 // --------------------------------------------------------------------------- |
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372 // CAudioCodec::UnRegisterObserver |
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373 // --------------------------------------------------------------------------- |
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374 void CAudioCodec::UnRegisterObserver(MCustomInterfaceSupportObserver& aObserver) |
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375 { |
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376 DP_CONTEXT(CAudioCodec::UnRegisterObserver *CD1*, CtxDevSound, DPLOCAL); |
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377 DP_IN(); |
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378 TInt idxOrErr = iCISupportObservers.Find(&aObserver); |
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379 if( idxOrErr != KErrNotFound ) |
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380 { |
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381 iCISupportObservers.Remove(idxOrErr); |
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382 } |
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383 DP_OUT(); |
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384 } |
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385 |
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386 // --------------------------------------------------------------------------- |
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387 // CAudioCodec::LoadHwDevice |
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388 // --------------------------------------------------------------------------- |
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389 TInt CAudioCodec::LoadHwDevice() |
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390 { |
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391 DP_CONTEXT(CAudioCodec::LoadHwDevice *CD1*, CtxDevSound, DPLOCAL); |
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392 DP_IN(); |
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393 TInt err(KErrNone); |
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394 |
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395 if(iDeviceUid==KNullUid) |
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396 { |
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397 DP0_RET(KErrNotSupported, "%d"); |
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398 } |
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399 |
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400 TRAP(err, iHwDevice = CMMFHwDevice::NewL(iDeviceUid)); |
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401 if(err == KErrNotFound) |
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402 { |
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403 err = KErrNotSupported; |
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404 } |
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405 DP0_RET(err, "%d"); |
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406 } |
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407 |
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408 // --------------------------------------------------------------------------- |
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409 // CAudioCodec::InitHwDevice |
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410 // --------------------------------------------------------------------------- |
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411 TInt CAudioCodec::InitHwDevice() |
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412 { |
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413 DP_CONTEXT(CAudioCodec::InitHwDevice *CD1*, CtxDevSound, DPLOCAL); |
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414 DP_IN(); |
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415 TInt err(KErrNone); |
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416 DP1(DLINFO, "eapStreamId %d", iHwDeviceInitArgs.iEapStreamId); |
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417 DP1(DLINFO, "policyId %d", iHwDeviceInitArgs.iPolicyId); |
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418 |
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419 iHwDeviceInitParams.iHwDeviceObserver = this; |
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420 iHwDeviceInitParams.iHwDeviceInitArgsPtr.Set((TUint8*)&(iHwDeviceInitArgs), |
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421 sizeof(THwDeviceInitArgs), |
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422 sizeof(THwDeviceInitArgs)); |
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423 if (iHwDevice) |
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424 { |
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425 err = iHwDevice->Init(iHwDeviceInitParams); |
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426 } |
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427 else |
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428 { |
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429 err = KErrHardwareNotAvailable; |
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430 } |
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431 DP0_RET(err, "%d"); |
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432 } |
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433 |
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434 // --------------------------------------------------------------------------- |
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435 // CAudioCodec::SetHwDeviceConfig |
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436 // --------------------------------------------------------------------------- |
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437 TInt CAudioCodec::SetHwDeviceConfig() |
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438 { |
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439 DP_CONTEXT(CAudioCodec::SetHwDeviceConfig *CD1*, CtxDevSound, DPLOCAL); |
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440 DP_IN(); |
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441 TInt err(KErrNone); |
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442 |
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443 //TODO Look for another way to set those parameters |
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444 TTaskConfig taskconfig; |
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445 taskconfig.iUid = KUidRefDevSoundTaskConfig; |
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446 taskconfig.iStereoMode = ResolveMode(iModeConfig); |
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447 taskconfig.iRate = iSampleRateConfig; |
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448 |
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449 DP1(DLINFO, "taskconfig.iRate %d", taskconfig.iRate); |
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450 DP1(DLINFO, "taskconfig.iStereoMode %d", taskconfig.iStereoMode); |
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451 DP1(DLINFO, "taskconfig.iUid %d", taskconfig.iUid); |
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452 |
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453 if (err == KErrNone && iHwDevice) |
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454 { |
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455 err = iHwDevice->SetConfig(taskconfig); |
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456 } |
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457 else |
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458 { |
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459 err = KErrHardwareNotAvailable; |
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460 } |
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461 DP0_RET(err, "%d"); |
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462 } |
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463 |
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464 // --------------------------------------------------------------------------- |
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465 // CAudioCodec::ReadResourceRates |
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466 // --------------------------------------------------------------------------- |
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467 TInt CAudioCodec::ReadResourceRates(RArray<TInt>& aRates) |
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468 { |
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469 DP_CONTEXT(CAudioCodec::ReadResourceRates*CD1*, CtxDevSound, DPLOCAL); |
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470 DP_IN(); |
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471 TInt err(KErrNone); |
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472 |
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473 CResourceData* resource = NULL; |
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474 TRAP(err, resource = CResourceData::NewL(iDeviceUid)); |
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475 if (err == KErrNone && resource) |
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476 { |
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477 err = resource->GetSSampleRates(iMode,aRates); |
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478 delete resource; |
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479 } |
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480 |
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481 DP0_RET(err, "%d"); |
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482 } |
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483 |
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484 // --------------------------------------------------------------------------- |
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485 // CAudioCodec::ReadResourceModes |
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486 // --------------------------------------------------------------------------- |
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487 TInt CAudioCodec::ReadResourceModes(RArray<TUid>& aModes) |
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488 { |
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489 DP_CONTEXT(CAudioCodec::ReadResourceModes*CD1*, CtxDevSound, DPLOCAL); |
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490 DP_IN(); |
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491 TInt err(KErrNone); |
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492 |
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493 CResourceData* resource = NULL; |
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494 TRAP(err, resource = CResourceData::NewL(iDeviceUid)); |
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495 if (err == KErrNone && resource) |
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496 { |
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497 err = resource->GetSModes(iMode,aModes); |
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498 delete resource; |
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499 } |
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500 |
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501 DP0_RET(err, "%d"); |
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502 } |
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503 |
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504 // --------------------------------------------------------------------------- |
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505 // from class MAudioComponent |
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506 // CAudioCodec::GetOutputPort |
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507 // --------------------------------------------------------------------------- |
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508 TInt CAudioCodec::GetOutputPort(MOutputPort*& aOutputPort) |
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509 { |
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510 DP_CONTEXT(CAudioCodec::GetOutputPort *CD1*, CtxDevSound, DPLOCAL); |
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511 DP_IN(); |
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512 aOutputPort = this; |
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513 DP0_RET(KErrNone, "%d"); |
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514 } |
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515 |
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516 // --------------------------------------------------------------------------- |
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517 // from class MAudioComponent |
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518 // CAudioCodec::GetInputPort |
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519 // --------------------------------------------------------------------------- |
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520 TInt CAudioCodec::GetInputPort(MInputPort*& aInputPort) |
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521 { |
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522 DP_CONTEXT(CAudioCodec::GetInputPort *CD1*, CtxDevSound, DPLOCAL); |
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523 DP_IN(); |
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524 aInputPort = this; |
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525 DP0_RET(KErrNone, "%d"); |
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526 } |
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527 |
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528 // --------------------------------------------------------------------------- |
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529 // from class MAudioComponent |
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530 // CAudioCodec::RegisterAudioComponentObserver |
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531 // --------------------------------------------------------------------------- |
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532 EXPORT_C TInt CAudioCodec::RegisterAudioCodecObserver(MAudioCodecAdaptationObserver& aObserver) |
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533 { |
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534 DP_CONTEXT(CAudioCodec::RegisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL); |
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535 DP_IN(); |
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536 TInt err = iAudioCodecObservers.Find(&aObserver); |
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537 if(err == KErrNotFound) |
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538 { |
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539 iAudioCodecObservers.Append(&aObserver); |
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540 err = KErrNone; |
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541 } |
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542 else |
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543 { |
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544 err = KErrAlreadyExists; |
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545 } |
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546 DP0_RET(err,"%d"); |
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547 } |
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548 |
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549 // --------------------------------------------------------------------------- |
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550 // from class MAudioComponent |
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551 // CAudioCodec::UnregisterAudioComponentObserver |
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552 // --------------------------------------------------------------------------- |
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553 EXPORT_C void CAudioCodec::UnregisterAudioCodecObserver(MAudioCodecAdaptationObserver& aObserver) |
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554 { |
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555 DP_CONTEXT(CAudioCodec::UnregisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL); |
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556 DP_IN(); |
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557 TInt idxOrErr = iAudioCodecObservers.Find(&aObserver); |
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558 if( idxOrErr != KErrNotFound ) |
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559 { |
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560 iAudioCodecObservers.Remove(idxOrErr); |
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561 } |
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562 DP_OUT(); |
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563 } |
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564 |
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565 // --------------------------------------------------------------------------- |
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566 // from class MInputPort |
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567 // CAudioCodec::EmptyBuffer |
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568 // --------------------------------------------------------------------------- |
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569 TInt CAudioCodec::EmptyBuffer(CMMFBuffer* /*aBuffer*/, MOutputPort* /*aSupplier*/) |
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570 { |
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571 DP_CONTEXT(CAudioCodec::EmptyBuffer *CD1*, CtxDevSound, DPLOCAL); |
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572 DP_IN(); |
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573 DP0_RET(KErrNotReady, "%d"); |
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574 } |
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575 |
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576 // --------------------------------------------------------------------------- |
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577 // from class MInputPort |
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578 // CAudioCodec::BufferFilled |
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579 // --------------------------------------------------------------------------- |
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580 TInt CAudioCodec::BufferFilled(CMMFBuffer* aBuffer) |
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581 { |
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582 DP_CONTEXT(CAudioCodec::BufferFilled *CD1*, CtxDevSound, DPLOCAL); |
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583 DP_IN(); |
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584 PRF(PRF_ID, PRF_STOP, PRF_LOAD, AA_DS_Fill, ""); |
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585 TInt err(KErrNone); |
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586 if(aBuffer->LastBuffer()) |
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587 { |
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588 iLastBuffer = ETrue; |
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589 } |
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590 if(iHwDevice) |
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591 { |
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592 err = iHwDevice->ThisHwBufferFilled(*aBuffer); |
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593 } |
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594 else |
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595 { |
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596 err = KErrNotFound; |
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597 } |
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598 DP0_RET(err,"%d"); |
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599 } |
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600 |
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601 // --------------------------------------------------------------------------- |
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602 // from class MInputPort |
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603 // CAudioCodec::SetOutput |
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604 // --------------------------------------------------------------------------- |
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605 TInt CAudioCodec::SetOutput(MOutputPort* aOutput) |
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606 { |
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607 DP_CONTEXT(CAudioCodec::SetOutput *CD1*, CtxDevSound, DPLOCAL); |
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608 DP_IN(); |
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609 TInt err = KErrNone; |
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610 |
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611 iOutputPort = aOutput; |
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612 |
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613 DP0_RET(err, "%d"); |
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614 } |
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615 |
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616 // --------------------------------------------------------------------------- |
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617 // from class MInputPort |
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618 // CAudioCodec::RemoveOutput |
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619 // --------------------------------------------------------------------------- |
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620 TInt CAudioCodec::RemoveOutput(MOutputPort* /*aOutput*/) |
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621 { |
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622 DP_CONTEXT(CAudioCodec::RemoveOutput *CD1*, CtxDevSound, DPLOCAL); |
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623 DP_IN(); |
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624 DP0_RET(KErrNone, "%d"); |
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625 } |
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626 |
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627 // --------------------------------------------------------------------------- |
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628 // from class MOutputPort |
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629 // CAudioCodec::FillBuffer |
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630 // --------------------------------------------------------------------------- |
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631 TInt CAudioCodec::FillBuffer(CMMFBuffer* /*aBuffer*/, MInputPort* /*aConsumer*/) |
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632 { |
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633 DP_CONTEXT(CAudioCodec::FillBuffer *CD1*, CtxDevSound, DPLOCAL); |
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634 DP_IN(); |
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635 DP0_RET(KErrNotReady, "%d"); |
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636 } |
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637 |
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638 // --------------------------------------------------------------------------- |
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639 // from class MOutputPort |
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640 // CAudioCodec::BufferEmptied |
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641 // --------------------------------------------------------------------------- |
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642 TInt CAudioCodec::BufferEmptied(CMMFBuffer* aBuffer) |
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643 { |
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644 DP_CONTEXT(CAudioCodec::BufferEmptied *CD1*, CtxDevSound, DPLOCAL); |
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645 DP_IN(); |
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646 TInt err(KErrNone); |
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647 |
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648 if (!aBuffer) |
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649 { |
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650 err = KErrNotFound; |
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651 DP0_RET(err, "%d"); |
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652 } |
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653 |
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654 if (iLastBufferAck) //if the hwdevice return a buffer with the lastbuffer flag set, rather than returning a non-empty buffer |
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655 { //in this case we generate an empty buffer on behalf of the adaptation |
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656 TInt count = iAudioCodecObservers.Count(); |
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657 for ( TInt i(0); i < count; i++ ) // causes a ProcessingFinished() to be called on the stream |
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658 { |
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659 iAudioCodecObservers[i]->AllBuffersProcessed(); |
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660 } |
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661 iLastBufferAck = EFalse; |
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662 } |
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663 else |
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664 { |
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665 if(aBuffer->LastBuffer()) |
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666 { |
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667 iLastBuffer = ETrue; |
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668 } |
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669 if(iHwDevice) |
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670 { |
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671 err = iHwDevice->ThisHwBufferEmptied(*aBuffer); |
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672 } |
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673 else |
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674 { |
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675 err = KErrNotFound; |
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676 } |
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677 } |
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678 DP0_RET(err,"%d"); |
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679 } |
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680 |
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681 // --------------------------------------------------------------------------- |
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682 // from class MOutputPort |
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683 // CAudioCodec::SetInput |
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684 // --------------------------------------------------------------------------- |
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685 TInt CAudioCodec::SetInput(MInputPort* aInput) |
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686 { |
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687 DP_CONTEXT(CAudioCodec::SetInput *CD1*, CtxDevSound, DPLOCAL); |
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688 DP_IN(); |
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689 TInt err = KErrNone; |
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690 |
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691 iInputPort = aInput; |
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692 |
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693 DP0_RET(err, "%d"); |
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694 } |
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695 |
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696 // --------------------------------------------------------------------------- |
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697 // from class MOutputPort |
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698 // CAudioCodec::RemoveInput |
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699 // --------------------------------------------------------------------------- |
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700 TInt CAudioCodec::RemoveInput(MInputPort* /*aInput*/) |
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701 { |
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702 return KErrNone; |
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703 } |
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704 |
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705 // --------------------------------------------------------------------------- |
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706 // from class MOutputPort |
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707 // CAudioCodec::FlushBuffer |
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708 // --------------------------------------------------------------------------- |
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709 TInt CAudioCodec::FlushBuffer(MFlushHandlerObserver* aFlushObserver) |
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710 { |
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711 TInt err = KErrNone; |
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712 TAny* ptr = NULL; |
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713 |
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714 // Flush low layer buffers |
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715 if(iHwDevice) |
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716 { |
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717 ptr = iHwDevice->CustomInterface(TUid::Uid(KMmfUidEmptyBuffersCustomInterface)); |
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718 MMMFDevSoundEmptyBuffers* emptybuffers = static_cast<MMMFDevSoundEmptyBuffers*>(ptr); |
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719 if (emptybuffers) |
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720 { |
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721 // Due to defect DEF127468, this do nothing |
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722 err = emptybuffers->EmptyBuffers(); |
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723 } |
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724 else |
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725 { |
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726 err = KErrNotSupported; |
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727 } |
|
728 } |
|
729 else |
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730 { |
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731 err = KErrNotReady; |
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732 } |
|
733 |
|
734 // Flush source through an asynchronous request |
|
735 if(err == KErrNone) |
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736 { |
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737 err = iOutputPort->FlushBuffer(aFlushObserver); |
|
738 } |
|
739 return err; |
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740 } |
|
741 |
|
742 |
|
743 // --------------------------------------------------------------------------- |
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744 // from class MMMFHwDeviceObserver |
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745 // CAudioCodec::FillThisHwBuffer |
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746 // --------------------------------------------------------------------------- |
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747 TInt CAudioCodec::FillThisHwBuffer(CMMFBuffer& aHwBuffer) |
|
748 { |
|
749 DP_CONTEXT(CAudioCodec::FillThisHwBuffer *CD1*, CtxDevSound, DPLOCAL); |
|
750 DP_IN(); |
|
751 PRF(PRF_ID, PRF_START, PRF_LOAD, AA_DS_Fill, ""); |
|
752 |
|
753 TInt err(KErrNone); |
|
754 iAdaptationBuffer = static_cast<CMMFDataBuffer*> (&aHwBuffer); |
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755 |
|
756 ASSERT(iAdaptationBuffer); |
|
757 if (iLastBuffer) |
|
758 { |
|
759 iAdaptationBuffer->Data().SetLength(0); |
|
760 BufferFilled(iAdaptationBuffer); |
|
761 } |
|
762 else |
|
763 { |
|
764 TRAP(err,iAdaptationBuffer->SetRequestSizeL(iAdaptationBuffer->Data().MaxLength() )); |
|
765 if(err == KErrNone) |
|
766 { |
|
767 if(iOutputPort) |
|
768 { |
|
769 err = iOutputPort->FillBuffer(&aHwBuffer, this); |
|
770 } |
|
771 else |
|
772 { |
|
773 err = KErrNotFound; |
|
774 } |
|
775 } |
|
776 } |
|
777 DP0_RET(err,"%d"); |
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778 } |
|
779 |
|
780 // --------------------------------------------------------------------------- |
|
781 // from class MMMFHwDeviceObserver |
|
782 // CAudioCodec::EmptyThisHwBuffer |
|
783 // --------------------------------------------------------------------------- |
|
784 TInt CAudioCodec::EmptyThisHwBuffer(CMMFBuffer& aHwBuffer) |
|
785 { |
|
786 DP_CONTEXT(CAudioCodec::EmptyThisHwBuffer *CD1*, CtxDevSound, DPLOCAL); |
|
787 DP_IN(); |
|
788 |
|
789 TInt err(KErrNone); |
|
790 iAdaptationBuffer = static_cast<CMMFDataBuffer*> (&aHwBuffer); |
|
791 ASSERT(iAdaptationBuffer); |
|
792 if(iHwDeviceState == EPaused) |
|
793 { |
|
794 if (iAdaptationBuffer->Data().Length() == 0) // empty buffer |
|
795 { |
|
796 TInt count = iAudioCodecObservers.Count(); |
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797 for ( TInt i(0); i < count; i++ ) // causes a ProcessingFinished() to be called on the stream |
|
798 { |
|
799 iAudioCodecObservers[i]->AllBuffersProcessed(); |
|
800 } |
|
801 } |
|
802 else |
|
803 { |
|
804 if(aHwBuffer.LastBuffer()) |
|
805 { |
|
806 aHwBuffer.SetLastBuffer(EFalse); // a buffer coming from hardware device should never have last buffer set... |
|
807 iLastBufferAck = ETrue; |
|
808 } |
|
809 |
|
810 TRAP(err,iAdaptationBuffer->SetRequestSizeL(iAdaptationBuffer->Data().Length())); |
|
811 if(err == KErrNone) |
|
812 { |
|
813 if(iInputPort) |
|
814 { |
|
815 err = iInputPort->EmptyBuffer(&aHwBuffer, this); |
|
816 } |
|
817 else |
|
818 { |
|
819 err = KErrNotFound; |
|
820 } |
|
821 } |
|
822 } |
|
823 } |
|
824 else |
|
825 { |
|
826 TRAP(err,iAdaptationBuffer->SetRequestSizeL(iAdaptationBuffer->Data().Length())); |
|
827 if(err == KErrNone) |
|
828 { |
|
829 if(iInputPort) |
|
830 { |
|
831 err = iInputPort->EmptyBuffer(&aHwBuffer, this); |
|
832 } |
|
833 else |
|
834 { |
|
835 err = KErrNotFound; |
|
836 } |
|
837 } |
|
838 } |
|
839 DP0_RET(err,"%d"); |
|
840 } |
|
841 |
|
842 // --------------------------------------------------------------------------- |
|
843 // from class MMMFHwDeviceObserver |
|
844 // CAudioCodec::MsgFromHwDevice |
|
845 // --------------------------------------------------------------------------- |
|
846 TInt CAudioCodec::MsgFromHwDevice(TUid aMessageType, const TDesC8& aMsg) |
|
847 { |
|
848 DP_CONTEXT(CAudioCodec::MsgFromHwDevice *CD1*, CtxDevSound, DPLOCAL); |
|
849 DP_IN(); |
|
850 TBuf<50> formattedNumber; |
|
851 formattedNumber.Format(_L("MessageType 0x%08x"), aMessageType.iUid); |
|
852 TBuf<50> buf; |
|
853 buf.Copy(aMsg); |
|
854 buf.Append(formattedNumber); |
|
855 if(aMessageType.iUid == KMmfHwDeviceObserverUpdateBytesPlayed) |
|
856 { |
|
857 //This is used by sw codec wrapper to request a bytes played update |
|
858 //Bytes played won't be updated in Stopped() or Error() on sw codec wrapper |
|
859 //As the sound device is closed. Non sw codec wrapper Hw device plugins |
|
860 //Can get the bytes updated on Stopped() and/or Error() |
|
861 UpdateBytesPlayed(); |
|
862 } |
|
863 DP1(DLINFO, "DeviceMessage is %S",&buf); |
|
864 DP0_RET(KErrNone, "%d"); |
|
865 } |
|
866 |
|
867 // --------------------------------------------------------------------------- |
|
868 // from class MMMFHwDeviceObserver |
|
869 // CAudioCodec::Stopped |
|
870 // --------------------------------------------------------------------------- |
|
871 void CAudioCodec::Stopped() |
|
872 { |
|
873 DP_CONTEXT(CAudioCodec::Stopped *CD1*, CtxDevSound, DPLOCAL); |
|
874 DP_IN(); |
|
875 //For sw codec wrappers hw devices bytes played are updated in MsgFromHwDevice |
|
876 //But non sw codec wrappers hw devices may do it differently |
|
877 //Also don't know if non sw codec wrappers hw devices will call Stopped or Error first |
|
878 UpdateBytesPlayed(); |
|
879 DP_OUT(); |
|
880 } |
|
881 |
|
882 // --------------------------------------------------------------------------- |
|
883 // from class MMMFHwDeviceObserver |
|
884 // CAudioCodec::Error |
|
885 // --------------------------------------------------------------------------- |
|
886 // |
|
887 void CAudioCodec::Error(TInt aError) |
|
888 { |
|
889 DP_CONTEXT(CAudioCodec::Error *CD1*, CtxDevSound, DPLOCAL); |
|
890 DP_IN(); |
|
891 |
|
892 TTimeIntervalMicroSeconds currentPosition; |
|
893 TInt err = KErrNone; |
|
894 |
|
895 #ifdef _DEBUG |
|
896 RDebug::Print(_L("iDeviceUid=0x%x aError=%d iLastBuffer=%d"), iDeviceUid.iUid, aError, iLastBuffer); |
|
897 #endif |
|
898 // The most problable receiver is the logicalaudiocodec which should notify to the client through MAudioProcessingUnit |
|
899 TUint count = iAudioCodecObservers.Count(); |
|
900 |
|
901 // Notify only for the |
|
902 if (aError == KErrUnderflow && iMode == EDecode ) |
|
903 { |
|
904 // Notify the observers |
|
905 if(iLastBuffer) |
|
906 { |
|
907 for ( TUint i(0); i < count; i++ ) |
|
908 { |
|
909 iAudioCodecObservers[i]->AllBuffersProcessed(); |
|
910 } |
|
911 } |
|
912 else |
|
913 { |
|
914 // Re-start decoding |
|
915 |
|
916 //For sw codec wrappers hw devices bytes played are updated in MsgFromHwDevice |
|
917 //But non sw codec wrappers hw devices may do it differently |
|
918 //Also don't know if non sw codec wrappers hw devices will call Stopped or Error first |
|
919 UpdateBytesPlayed(); |
|
920 |
|
921 err = GetControlPosition(currentPosition); |
|
922 if(err != KErrNone) |
|
923 { |
|
924 // Ignore safely |
|
925 } |
|
926 |
|
927 #ifdef _DEBUG |
|
928 RDebug::Print(_L("Restart decoding")); |
|
929 #endif |
|
930 |
|
931 Start(); |
|
932 } |
|
933 } |
|
934 else if (aError == KErrOverflow && iMode == EEncode ) |
|
935 { |
|
936 if (!iLastBuffer && iHwDeviceState == ERunning) |
|
937 { |
|
938 // Re-start encoding |
|
939 err = GetControlPosition(currentPosition); |
|
940 if(err != KErrNone) |
|
941 { |
|
942 // Ignore safely |
|
943 } |
|
944 Start(); |
|
945 } |
|
946 else |
|
947 { |
|
948 if (iDeviceUid.iUid != KUidToneHwDevice) |
|
949 { |
|
950 #ifdef _DEBUG |
|
951 RDebug::Print(_L("Is this is not needed for other encoders but toneHwDevice")); |
|
952 #endif |
|
953 for ( TUint i(0); i < count; i++ ) |
|
954 { |
|
955 iAudioCodecObservers[i]->AllBuffersProcessed(); |
|
956 } |
|
957 } |
|
958 } |
|
959 } |
|
960 else |
|
961 { |
|
962 for ( TUint i(0); i < count; i++ ) |
|
963 { |
|
964 iAudioCodecObservers[i]->ProcessingUnitError(aError); |
|
965 } |
|
966 } |
|
967 DP_OUT(); |
|
968 } |
|
969 |
|
970 // HELPER CLASS |
|
971 // --------------------------------------------------------------------------- |
|
972 // from class MGainHelper |
|
973 // CAudioCodec::GetGain |
|
974 // --------------------------------------------------------------------------- |
|
975 TInt CAudioCodec::GetGain(TInt& aGain) const |
|
976 { |
|
977 DP_CONTEXT(CAudioCodec::GetGain *CD1*, CtxDevSound, DPLOCAL); |
|
978 DP_IN(); |
|
979 TInt err = KErrNone; |
|
980 if (iMode == EDecode && iPlayCustomInterface) |
|
981 { |
|
982 aGain = iPlayCustomInterface->Volume(); |
|
983 } |
|
984 else if( iMode == EEncode && iRecordCustomInterface) |
|
985 { |
|
986 aGain = iRecordCustomInterface->Gain(); |
|
987 } |
|
988 DP0_RET(err, "%d"); |
|
989 } |
|
990 |
|
991 // --------------------------------------------------------------------------- |
|
992 // from class MGainHelper |
|
993 // CAudioCodec::SetGain |
|
994 // --------------------------------------------------------------------------- |
|
995 TInt CAudioCodec::SetGain(RArray<TAudioChannelGain>& aChannels) |
|
996 { |
|
997 DP_CONTEXT(CAudioCodec::SetGain *CD1*, CtxDevSound, DPLOCAL); |
|
998 DP_IN(); |
|
999 TInt err = KErrNone; |
|
1000 |
|
1001 // Current adaptation doesn't support multichannel |
|
1002 // Use average |
|
1003 TUint count = aChannels.Count(); |
|
1004 TInt gain = 0; |
|
1005 if (count) |
|
1006 { |
|
1007 TInt totalGain = 0; |
|
1008 for (TUint i(0); i < count; i++) |
|
1009 { |
|
1010 totalGain =+ aChannels[i].iGain; |
|
1011 } |
|
1012 gain = totalGain / count; |
|
1013 } |
|
1014 |
|
1015 if (gain > KDefaultMaxGain) |
|
1016 { |
|
1017 gain = KDefaultMaxGain; |
|
1018 } |
|
1019 else if (gain < 0) |
|
1020 { |
|
1021 gain = 0; |
|
1022 } |
|
1023 |
|
1024 if (iMode == EDecode && iPlayCustomInterface) |
|
1025 { |
|
1026 iPlayCustomInterface->SetVolume(gain); |
|
1027 } |
|
1028 else if( iMode == EEncode && iRecordCustomInterface) |
|
1029 { |
|
1030 iRecordCustomInterface->SetGain(gain); |
|
1031 } |
|
1032 |
|
1033 DP0_RET(err, "%d"); |
|
1034 } |
|
1035 |
|
1036 |
|
1037 TInt CAudioCodec::ConfigureRamp(TUid aRampOperation, const TTimeIntervalMicroSeconds& aRampDuration) |
|
1038 { |
|
1039 DP_CONTEXT(CAudioCodec::ConfigureRamp *CD1*, CtxDevSound, DPLOCAL); |
|
1040 DP_IN(); |
|
1041 TInt err = KErrNone; |
|
1042 |
|
1043 if (aRampOperation == KUidGainSawTooth) |
|
1044 { |
|
1045 if (iMode == EDecode && iPlayCustomInterface) |
|
1046 { |
|
1047 iPlayCustomInterface->SetVolumeRamp(aRampDuration); |
|
1048 } |
|
1049 } |
|
1050 else if (iRampOperation == KNullUid) |
|
1051 { |
|
1052 if (iMode == EDecode && iPlayCustomInterface) |
|
1053 { |
|
1054 iPlayCustomInterface->SetVolumeRamp(0); |
|
1055 } |
|
1056 } |
|
1057 else |
|
1058 { |
|
1059 err = KErrA3fUnsupportedRamp; |
|
1060 } |
|
1061 |
|
1062 DP0_RET(err, "%d"); |
|
1063 } |
|
1064 |
|
1065 // --------------------------------------------------------------------------- |
|
1066 // from class MPositionControl |
|
1067 // CAudioCodec::GetControlPosition |
|
1068 // --------------------------------------------------------------------------- |
|
1069 TInt CAudioCodec::GetControlPosition(TTimeIntervalMicroSeconds& aPosition) |
|
1070 { |
|
1071 DP_CONTEXT(CAudioCodec::GetControlPosition *CD1*, CtxDevSound, DPLOCAL); |
|
1072 DP_IN(); |
|
1073 TInt err = KErrNone; |
|
1074 TInt sampleRateValue = iSampleRateConfig; |
|
1075 |
|
1076 // At this adaptation EMMFSoundEncoding16BitPCM encoding is assumed |
|
1077 // Due RMdaDevSound which is always pcm16 each sample is 2 bytes |
|
1078 TInt bytesPerAudioSample = 2; |
|
1079 |
|
1080 // Here is secure to convert to TInt a TAudioMode since the values |
|
1081 // are chossen according to the value they represent. |
|
1082 TInt numberOfChannels = ResolveMode(iModeConfig); |
|
1083 |
|
1084 TInt64 samples = 0; |
|
1085 if (err == KErrNone) |
|
1086 { |
|
1087 if( iMode == EDecode && iPlayCustomInterface) |
|
1088 { |
|
1089 TInt64 bytesPlayed = iPlayCustomInterface->BytesPlayed(); |
|
1090 if (bytesPlayed) |
|
1091 { |
|
1092 iPlayedBytesCount = bytesPlayed; |
|
1093 } |
|
1094 |
|
1095 samples = iPlayedBytesCount; |
|
1096 |
|
1097 if(numberOfChannels > 1) |
|
1098 { |
|
1099 samples /= numberOfChannels; |
|
1100 } |
|
1101 |
|
1102 if(bytesPerAudioSample > 1) |
|
1103 { |
|
1104 samples /= bytesPerAudioSample; |
|
1105 } |
|
1106 } |
|
1107 else if( iMode == EEncode && iRecordCustomInterface) |
|
1108 { |
|
1109 samples = iRecordCustomInterface->BytesRecorded(); |
|
1110 if(numberOfChannels > 1) |
|
1111 { |
|
1112 samples /= numberOfChannels; |
|
1113 } |
|
1114 if(bytesPerAudioSample > 1) |
|
1115 { |
|
1116 samples /= bytesPerAudioSample; |
|
1117 } |
|
1118 } |
|
1119 } |
|
1120 |
|
1121 if(sampleRateValue) |
|
1122 { |
|
1123 iPosition = (TInt64(samples) * KMicroSecsInOneSec / sampleRateValue); |
|
1124 } |
|
1125 aPosition = iPosition; |
|
1126 DP1(DLINFO,"GetControlPosition Samples = %d", samples); |
|
1127 #ifdef _DEBUG |
|
1128 RDebug::Print(_L("GetControlPosition Position=%d"), iPosition); |
|
1129 #endif |
|
1130 DP0_RET(err, "%d"); |
|
1131 } |
|
1132 |
|
1133 // --------------------------------------------------------------------------- |
|
1134 // CAudioCodec::ResetControlPosition |
|
1135 // --------------------------------------------------------------------------- |
|
1136 void CAudioCodec::ResetControlPosition() |
|
1137 { |
|
1138 DP_CONTEXT(CAudioCodec::ResetControlPosition *CD1*, CtxDevSound, DPLOCAL); |
|
1139 DP_IN(); |
|
1140 iPosition = 0; |
|
1141 iPlayedBytesCount = 0; |
|
1142 DP_OUT(); |
|
1143 } |
|
1144 |
|
1145 // --------------------------------------------------------------------------- |
|
1146 // CAudioCodec::FourCCToHwDeviceUid |
|
1147 // --------------------------------------------------------------------------- |
|
1148 void CAudioCodec::FourCCToHwDeviceUidL(TFourCC aFourCC, TMode aMode, TUid &aHWDev) |
|
1149 { |
|
1150 DP_CONTEXT(CAudioCodec::FourCCToHwDeviceUid *CD1*, CtxDevSound, DPLOCAL); |
|
1151 DP_IN(); |
|
1152 |
|
1153 //check argument precondition for aState |
|
1154 if ((aMode != EDecode) && (aMode != EEncode)) |
|
1155 { |
|
1156 User::Leave(KErrArgument); |
|
1157 } |
|
1158 |
|
1159 // Array to return hw device plugin resource info(place on cleanupstack |
|
1160 // _after_ ListImplementationsL() ) |
|
1161 RImplInfoPtrArray plugInArray; |
|
1162 TUid KUidMmfHWPluginInterfaceCodec = {KMmfUidPluginInterfaceHwDevice}; |
|
1163 |
|
1164 // ListImplementationsL leaves if it cannot find anything so trap the error |
|
1165 TRAPD(err, REComSession::ListImplementationsL(KUidMmfHWPluginInterfaceCodec, |
|
1166 plugInArray)); |
|
1167 CleanupResetAndDestroyPushL(plugInArray); |
|
1168 |
|
1169 TUint numberOfHwDevicePlugins = plugInArray.Count(); |
|
1170 |
|
1171 // if no errors and have hwdevice plugin resource entries then scan entries |
|
1172 // matching on a datatype of pcm16 as the destination datatype for play and |
|
1173 // the source datatype for record. If a match is found and isn't already in |
|
1174 // the list of supported data types, then add it to the list |
|
1175 if ((err == KErrNone) && (numberOfHwDevicePlugins)) |
|
1176 { |
|
1177 CImplementationInformation* hwDeviceResourceEntry = NULL; |
|
1178 _LIT8(KPCM16FourCCString, " P16"); |
|
1179 TBufC8<KFOURCCLENGTH> fourCCStringPCM16(KPCM16FourCCString); |
|
1180 TPtr8 fourCCPtrPCM16 = fourCCStringPCM16.Des(); |
|
1181 |
|
1182 // check each resource entry for dst 4CC = P16 for play and |
|
1183 // src 4CC = P16 for record |
|
1184 for (TUint hwDeviceEntry = 0; |
|
1185 hwDeviceEntry < numberOfHwDevicePlugins; |
|
1186 hwDeviceEntry++) |
|
1187 { |
|
1188 hwDeviceResourceEntry = plugInArray[hwDeviceEntry]; |
|
1189 |
|
1190 if (IsDataTypeMatch(hwDeviceResourceEntry, fourCCPtrPCM16, aMode)) |
|
1191 { |
|
1192 // resource entry data field has dest/src datatype ' P16' |
|
1193 // i.e. pcm16 for play/record |
|
1194 TPtrC8 fourCCPtr(0,0); |
|
1195 |
|
1196 if (aMode == EDecode) |
|
1197 { |
|
1198 // datatype supported 4CC is left 4 chars |
|
1199 fourCCPtr.Set( |
|
1200 hwDeviceResourceEntry->DataType().Left(KFOURCCLENGTH)); |
|
1201 } |
|
1202 else if (aMode == EEncode) |
|
1203 { |
|
1204 // datatype supported 4CC is right 4 chars |
|
1205 fourCCPtr.Set( |
|
1206 hwDeviceResourceEntry->DataType().Right(KFOURCCLENGTH)); |
|
1207 } |
|
1208 |
|
1209 TFourCC fourCCEntry(fourCCPtr); |
|
1210 |
|
1211 // New Mapping |
|
1212 if (fourCCEntry == aFourCC) |
|
1213 { |
|
1214 // get the Uid |
|
1215 aHWDev = hwDeviceResourceEntry->ImplementationUid(); |
|
1216 break; |
|
1217 } |
|
1218 } |
|
1219 } |
|
1220 |
|
1221 // Verify there is a HwDeviceUid |
|
1222 if(aHWDev.iUid == 0) |
|
1223 { |
|
1224 User::Leave(KErrNotSupported); |
|
1225 } |
|
1226 } |
|
1227 else |
|
1228 { |
|
1229 // if an error occured and not KErrNotFound then must be a 'real' error |
|
1230 // e.g. KErrNoMemory |
|
1231 if ((err != KErrNotFound) && (err != KErrNone)) |
|
1232 { |
|
1233 User::Leave(err); |
|
1234 } |
|
1235 } |
|
1236 |
|
1237 CleanupStack::PopAndDestroy(&plugInArray); |
|
1238 DP_OUT(); |
|
1239 } |
|
1240 |
|
1241 // --------------------------------------------------------------------------- |
|
1242 // CAudioCodec::IsDataTypeMatch |
|
1243 // --------------------------------------------------------------------------- |
|
1244 TBool CAudioCodec::IsDataTypeMatch(CImplementationInformation* aHwDeviceResourceEntry, |
|
1245 const TDesC8& aHwMatchFourCC, TMode aState) |
|
1246 { |
|
1247 DP_CONTEXT(CAudioCodec::IsDataTypeMatch *CD1*, CtxDevSound, DPLOCAL); |
|
1248 DP_IN(); |
|
1249 TBool match = EFalse; |
|
1250 |
|
1251 // Check for resource entry lenght since for HwDeviceAdaptor it is just "*" |
|
1252 if (aHwDeviceResourceEntry->DataType().Length()>=KHwDeviceDefaultDataLength) |
|
1253 { |
|
1254 if (aState == EDecode) |
|
1255 { |
|
1256 //play need to match with the right four characters |
|
1257 match = (!(aHwMatchFourCC.Match( |
|
1258 aHwDeviceResourceEntry->DataType().Right(KFOURCCLENGTH)) == |
|
1259 KErrNotFound)); |
|
1260 } |
|
1261 else if (aState == EEncode) |
|
1262 { |
|
1263 //record need to match with the left four characters |
|
1264 match = |
|
1265 (!(aHwMatchFourCC.Match( |
|
1266 aHwDeviceResourceEntry->DataType().Left(KFOURCCLENGTH)) == |
|
1267 KErrNotFound)); |
|
1268 } |
|
1269 } |
|
1270 else |
|
1271 { |
|
1272 #ifdef _DEBUG |
|
1273 RDebug::Print(_L("HwDeviceEntry %S"), &aHwDeviceResourceEntry->DataType()); |
|
1274 #endif |
|
1275 } |
|
1276 |
|
1277 DP0_RET(match, "0x%x"); |
|
1278 } |
|
1279 |
|
1280 // --------------------------------------------------------------------------- |
|
1281 // CAudioCodec::ResolveMode |
|
1282 // --------------------------------------------------------------------------- |
|
1283 TInt CAudioCodec::ResolveMode(TUid aMode) |
|
1284 { |
|
1285 DP_CONTEXT(CAudioCodec::ResolveMode *CD1*, CtxDevSound, DPLOCAL); |
|
1286 DP_IN(); |
|
1287 TInt result = 0; |
|
1288 |
|
1289 //Mapping an uid mode to an int channel |
|
1290 for (TUint i=0; i<=KMaxModeIndex; i++) |
|
1291 { |
|
1292 if(KModeTableLookup[i].iAudioMode == aMode) |
|
1293 { |
|
1294 result = KModeTableLookup[i].iAudioModeValue; |
|
1295 break; |
|
1296 } |
|
1297 } |
|
1298 DP0_RET(result, "%d"); |
|
1299 } |
|
1300 |
|
1301 // --------------------------------------------------------------------------- |
|
1302 // CAudioCodec::SupportedRates |
|
1303 // --------------------------------------------------------------------------- |
|
1304 EXPORT_C TInt CAudioCodec::SupportedRates(RArray<TInt>& aSupportedRates) |
|
1305 { |
|
1306 DP_CONTEXT(CAudioCodec::Service *CD1*, CtxDevSound, DPLOCAL); |
|
1307 DP_IN(); |
|
1308 iRequest |= KRequestSampleRate; |
|
1309 |
|
1310 //Get request capabilities |
|
1311 iErrorRates = GetSupportedSampleRates(aSupportedRates); |
|
1312 |
|
1313 // Simulate an asyncronous response |
|
1314 if (!IsActive()) |
|
1315 { |
|
1316 TRequestStatus* status = &iStatus; |
|
1317 User::RequestComplete(status, KErrNone); |
|
1318 SetActive(); |
|
1319 } |
|
1320 DP0_RET(iErrorRates, "%d"); |
|
1321 } |
|
1322 |
|
1323 // --------------------------------------------------------------------------- |
|
1324 // CAudioCodec::SupportedModes |
|
1325 // --------------------------------------------------------------------------- |
|
1326 EXPORT_C TInt CAudioCodec::SupportedModes(RArray<TUid>& aSupportedModes) |
|
1327 { |
|
1328 DP_CONTEXT(CAudioCodec::Service *CD1*, CtxDevSound, DPLOCAL); |
|
1329 DP_IN(); |
|
1330 iRequest |= KRequestMode; |
|
1331 |
|
1332 iErrorModes = GetSupportedModes(aSupportedModes); |
|
1333 |
|
1334 // Simulate an asyncronous response |
|
1335 if (!IsActive()) |
|
1336 { |
|
1337 TRequestStatus* status = &iStatus; |
|
1338 User::RequestComplete(status, KErrNone); |
|
1339 SetActive(); |
|
1340 } |
|
1341 DP0_RET(iErrorModes, "%d"); |
|
1342 } |
|
1343 |
|
1344 |
|
1345 //From CActive |
|
1346 // --------------------------------------------------------------------------- |
|
1347 // CAudioCodec::RunL |
|
1348 // --------------------------------------------------------------------------- |
|
1349 void CAudioCodec::RunL() |
|
1350 { |
|
1351 DP_CONTEXT(CAudioCodec::RunL *CD1*, CtxDevSound, DPLOCAL); |
|
1352 DP_IN(); |
|
1353 |
|
1354 // Send the callback for the request operation |
|
1355 if (iRequest & KRequestMode) |
|
1356 { |
|
1357 TUint count = iAudioCodecObservers.Count(); |
|
1358 for ( TUint i(0); i < count; i++ ) |
|
1359 { |
|
1360 iAudioCodecObservers[i]->GetSupportedAModesComplete(iErrorModes); |
|
1361 } |
|
1362 |
|
1363 // Reset the request flag |
|
1364 iRequest &= ~KRequestMode; |
|
1365 } |
|
1366 |
|
1367 // Send the callback for the request operation |
|
1368 if (iRequest & KRequestSampleRate) |
|
1369 { |
|
1370 TUint count = iAudioCodecObservers.Count(); |
|
1371 for ( TUint i(0); i < count; i++ ) |
|
1372 { |
|
1373 iAudioCodecObservers[i]->GetSupportedARatesComplete(iErrorRates); |
|
1374 } |
|
1375 |
|
1376 // Reset the request flag |
|
1377 iRequest &= ~KRequestSampleRate; |
|
1378 } |
|
1379 |
|
1380 DP_OUT(); |
|
1381 } |
|
1382 |
|
1383 // --------------------------------------------------------------------------- |
|
1384 // CAudioCodec::RunError |
|
1385 // --------------------------------------------------------------------------- |
|
1386 TInt CAudioCodec::RunError(TInt aError) |
|
1387 { |
|
1388 DP_CONTEXT(CAudioCodec::RunError *CD1*, CtxDevSound, DPLOCAL); |
|
1389 DP_IN(); |
|
1390 DP0_RET(aError, "%d"); |
|
1391 } |
|
1392 |
|
1393 // --------------------------------------------------------------------------- |
|
1394 // CAudioCodec::DoCancel |
|
1395 // --------------------------------------------------------------------------- |
|
1396 void CAudioCodec::DoCancel() |
|
1397 { |
|
1398 DP_CONTEXT(CAudioCodec::DoCancel *CD1*, CtxDevSound, DPLOCAL); |
|
1399 DP_IN(); |
|
1400 iRequest = 0; |
|
1401 DP_OUT(); |
|
1402 } |
|
1403 |
|
1404 // end of file |