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1 /* |
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2 * Copyright (c) 2006-2007 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: Contains functionality for DTMF and line event |
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15 * decoding and playing. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 |
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22 // INCLUDES |
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23 #include "dtmfpayloadformatread.h" |
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24 #include "dtmfpayloaddecoder.h" |
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25 #include "dtmfeventpayloadinfo.h" |
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26 #include "dtmftonepayloadinfo.h" |
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27 #include "mccuids.hrh" |
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28 |
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29 // ======== MEMBER FUNCTIONS ======== |
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30 |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // CDTMFPayloadFormatRead::CDTMFPayloadFormatRead |
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34 // C++ default constructor can NOT contain any code, that |
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35 // might leave. |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 CDTMFPayloadFormatRead::CDTMFPayloadFormatRead() |
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39 { |
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40 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CDTMFPayloadFormatRead") ); |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CDTMFPayloadFormatRead::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 void CDTMFPayloadFormatRead::ConstructL( MDataSource* aSource ) |
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49 { |
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50 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::ConstructL") ); |
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51 |
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52 iClip = aSource; |
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53 iBufferToReadExists = EFalse; |
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54 |
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55 // Initialize decoding state machine |
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56 iStateMachine = CFormatDecodeStateMachine::NewL( this ); |
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57 iStateMachine->ChangeState( EDecodeIdle ); |
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58 |
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59 iPayloadDecoder = CDTMFPayloadDecoder::NewL(); |
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60 |
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61 iTonePlayer = CMdaAudioToneUtility::NewL( *this ); |
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62 TInt maxVol = iTonePlayer->MaxVolume(); |
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63 // Use intermediate volume value |
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64 iTonePlayer->SetVolume( ( maxVol / 2 ) ); |
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65 } |
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66 |
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67 // --------------------------------------------------------------------------- |
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68 // CDTMFPayloadFormatRead::NewL |
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69 // Two-phased constructor. |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CDTMFPayloadFormatRead* CDTMFPayloadFormatRead::NewL( MDataSource* aSource ) |
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73 { |
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74 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::NewL") ); |
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75 |
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76 __ASSERT_ALWAYS( aSource, User::Leave( KErrArgument ) ); |
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77 |
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78 CDTMFPayloadFormatRead* self = new( ELeave ) CDTMFPayloadFormatRead; |
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79 |
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80 CleanupStack::PushL( self ); |
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81 self->ConstructL( aSource ); |
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82 CleanupStack::Pop( self ); |
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83 |
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84 return self; |
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85 } |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // CDTMFPayloadFormatRead::~CDTMFPayloadFormatRead |
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89 // Destructor. |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 CDTMFPayloadFormatRead::~CDTMFPayloadFormatRead() |
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93 { |
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94 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::~CDTMFPayloadFormatRead") ); |
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95 |
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96 if ( iSourceBufOwnership ) |
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97 { |
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98 delete iSourceBuffer; |
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99 } |
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100 |
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101 iSourceBuffer = NULL; |
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102 |
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103 delete iPayloadDecoder; |
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104 |
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105 if ( iStateMachine ) |
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106 { |
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107 iStateMachine->Cancel(); |
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108 delete iStateMachine; |
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109 } |
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110 |
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111 delete iTonePlayer; |
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112 |
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113 // for PC_LINT #1740 |
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114 iClip = NULL; |
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115 |
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116 iEventPayloadInfo.Close(); |
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117 iTonePayloadInfo.Close(); |
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118 } |
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119 |
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120 // --------------------------------------------------------------------------- |
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121 // CDTMFPayloadFormatRead::Streams |
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122 // Not applicable for DTMF payload formatter. Pure virtual method |
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123 // implementation needed anyway. |
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124 // --------------------------------------------------------------------------- |
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125 // |
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126 TUint CDTMFPayloadFormatRead::Streams( TUid aMediaType ) const |
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127 { |
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128 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::Streams") ); |
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129 |
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130 if ( KUidMediaTypeAudio == aMediaType ) |
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131 { |
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132 return 1; |
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133 } |
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134 else |
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135 { |
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136 return 0; |
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137 } |
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138 } |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // CDTMFPayloadFormatRead::FrameTimeInterval |
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142 // Not applicable for DTMF payload formatter. Pure virtual method |
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143 // implementation needed anyway. |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 TTimeIntervalMicroSeconds CDTMFPayloadFormatRead::FrameTimeInterval( |
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147 TMediaId /*aMediaType*/ ) const |
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148 { |
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149 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::FrameTimeInterval") ); |
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150 |
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151 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // CDTMFPayloadFormatRead::Duration |
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156 // Not applicable for DTMF payload formatter. Pure virtual method |
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157 // implementation needed anyway. |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 TTimeIntervalMicroSeconds CDTMFPayloadFormatRead::Duration( |
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161 TMediaId /*aMediaType*/ ) const |
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162 { |
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163 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::Duration") ); |
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164 |
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165 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // CDTMFPayloadFormatRead::CanCreateSourceBuffer |
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170 // SourceBuffer creation is not supported, because there is no need to |
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171 // exchange DTMF data with datapath. DTMF payload formatter handles DTMF |
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172 // playing independently through tone player. |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 TBool CDTMFPayloadFormatRead::CanCreateSourceBuffer() |
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176 { |
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177 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CanCreateSourceBuffer") ); |
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178 |
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179 return EFalse; |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // CDTMFPayloadFormatRead::CreateSourceBufferL |
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184 // Should not be used. |
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185 // --------------------------------------------------------------------------- |
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186 // |
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187 CMMFBuffer* CDTMFPayloadFormatRead::CreateSourceBufferL( TMediaId /*aMediaId*/, |
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188 TBool& /*aReference*/ ) |
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189 { |
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190 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CreateSourceBufferL") ); |
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191 |
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192 User::Leave( KErrNotSupported ); |
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193 return NULL; |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // CDTMFPayloadFormatRead::SourceDataTypeCode |
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198 // Returns source data type code. |
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199 // --------------------------------------------------------------------------- |
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200 // |
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201 TFourCC CDTMFPayloadFormatRead::SourceDataTypeCode( TMediaId aMediaId ) |
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202 { |
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203 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourceDataTypeCode() ") ); |
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204 |
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205 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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206 { |
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207 return TFourCC( KMccFourCCIdDTMF ); |
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208 } |
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209 else |
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210 { |
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211 // Defaults to 'NULL' fourCC |
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212 return TFourCC(); |
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213 } |
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214 } |
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215 |
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216 // --------------------------------------------------------------------------- |
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217 // CDTMFPayloadFormatRead::SinkDataTypeCode |
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218 // Returns the current datatype FourCC code. |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 TFourCC CDTMFPayloadFormatRead::SinkDataTypeCode( TMediaId aMediaId ) |
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222 { |
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223 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SinkDataTypeCode") ); |
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224 |
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225 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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226 { |
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227 return TFourCC( KMccFourCCIdDTMF ); |
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228 } |
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229 else |
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230 { |
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231 // Defaults to 'NULL' fourCC |
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232 return TFourCC(); |
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233 } |
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234 } |
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235 |
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236 // --------------------------------------------------------------------------- |
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237 // CDTMFPayloadFormatRead::SetPayloadFormat |
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238 // Sets payload format used in DTMF decoding. |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 TInt CDTMFPayloadFormatRead::SetPayloadFormat( |
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242 TDTMFPayloadFormat aPayloadFormat ) |
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243 { |
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244 DP_DTMF_READ2( _L("CDTMFPayloadFormatWrite::SetPayloadFormat - Format: %d"), |
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245 aPayloadFormat ); |
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246 |
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247 TInt err = iPayloadDecoder->SetPayloadFormat( aPayloadFormat ); |
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248 if ( KErrNone == err ) |
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249 { |
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250 iPayloadFormat = aPayloadFormat; |
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251 } |
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252 |
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253 return err; |
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254 } |
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255 |
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256 // --------------------------------------------------------------------------- |
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257 // CDTMFPayloadFormatRead::FillBufferL |
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258 // No need for data exchange with DataPath. DTMF receiving and processing |
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259 // cycle is managed by SourcePrimeL(), SourcePlayL(), SourcePauseL(), |
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260 // SourceStopL() methods. |
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261 // --------------------------------------------------------------------------- |
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262 // |
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263 void CDTMFPayloadFormatRead::FillBufferL( CMMFBuffer* /*aBuffer*/, |
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264 MDataSink* /*aConsumer*/, |
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265 TMediaId /*aMediaId*/ ) |
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266 { |
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267 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::FillBufferL") ); |
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268 |
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269 User::Leave( KErrNotSupported ); |
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270 } |
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271 |
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272 // --------------------------------------------------------------------------- |
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273 // CDTMFPayloadFormatRead::FillSourceBufferL |
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274 // Called by state machine. Send fill buffer request to the RTP Data Source. |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 void CDTMFPayloadFormatRead::FillSourceBufferL() |
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278 { |
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279 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::FillSourceBufferL") ); |
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280 |
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281 iClip->FillBufferL( iSourceBuffer, this, KUidMediaTypeAudio ); |
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282 } |
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283 |
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284 // --------------------------------------------------------------------------- |
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285 // CDTMFPayloadFormatRead::FillSinkBuffer |
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286 // Called by state machine. Decode payload to DTMF string and fill |
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287 // sink buffer. |
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288 // --------------------------------------------------------------------------- |
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289 // |
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290 void CDTMFPayloadFormatRead::FillSinkBufferL() |
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291 { |
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292 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::FillSinkBufferL") ); |
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293 |
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294 if ( iBufferToReadExists ) |
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295 { |
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296 // Decode payload here and send data for continued handling in |
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297 // SendDataToSinkL() |
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298 switch ( iPayloadFormat ) |
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299 { |
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300 case EDTMFPayloadFormatEvent: |
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301 case EDTMFPayloadFormatRedEvents: |
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302 iPayloadDecoder |
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303 ->DecodeEventPayload( iSourceBuffer, iEventPayloadInfo ); |
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304 break; |
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305 case EDTMFPayloadFormatTone: |
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306 iPayloadDecoder |
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307 ->DecodeTonePayload( iSourceBuffer, iTonePayloadInfo ); |
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308 break; |
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309 default: |
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310 // Undefined Payload format |
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311 DP_DTMF_READ( _L("Unsupported payload format!") ); |
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312 ASSERT( EFalse ); |
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313 break; |
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314 } |
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315 |
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316 iStateMachine->ChangeState( EEmptyDataToSink ); |
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317 } |
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318 else |
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319 { |
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320 DP_DTMF_READ( _L("No DTMF packets waiting at Data source.") ); |
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321 |
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322 FillSourceBufferL(); |
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323 } |
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324 } |
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325 |
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326 // --------------------------------------------------------------------------- |
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327 // CDTMFPayloadFormatRead::SendDataToSinkL |
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328 // Called by state machine. Send decoded payload to sound device for playback. |
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329 // --------------------------------------------------------------------------- |
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330 // |
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331 void CDTMFPayloadFormatRead::SendDataToSinkL() |
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332 { |
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333 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SendDataToSinkL") ); |
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334 |
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335 if ( iBufferToReadExists ) |
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336 { |
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337 iBufferToReadExists = EFalse; |
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338 |
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339 if ( EDTMFPayloadFormatEvent == iPayloadFormat |
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340 || EDTMFPayloadFormatRedEvents == iPayloadFormat ) |
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341 { |
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342 HandleDTMFEventsL(); |
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343 } |
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344 else if ( EDTMFPayloadFormatTone == iPayloadFormat ) |
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345 { |
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346 HandleDTMFTones(); |
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347 } |
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348 else |
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349 { |
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350 // undefined payload format |
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351 DP_DTMF_READ( _L("Unsupported payload format!") ); |
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352 ASSERT( EFalse ); |
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353 } |
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354 } |
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355 |
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356 FillSourceBufferL(); |
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357 } |
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358 |
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359 // --------------------------------------------------------------------------- |
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360 // CDTMFPayloadFormatRead::HandleDTMFEvents |
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361 // Handle and play DTMF events using tone player. |
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362 // --------------------------------------------------------------------------- |
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363 // |
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364 void CDTMFPayloadFormatRead::HandleDTMFEventsL() |
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365 { |
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366 DP_DTMF_READ3( _L("CDTMFPayloadFormatRead::HandleDTMFEventsL, EVENTCOUNT: %d, tick = %u"), |
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367 iEventPayloadInfo.Count(), User::NTickCount() ); |
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368 |
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369 const TUint eventCount( iEventPayloadInfo.Count() ); |
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370 |
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371 if ( 1 == eventCount ) |
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372 { |
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373 // Stop DTMF playing when end bit is set or new |
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374 // event has been received |
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375 if ( iEventPayloadInfo[0].EndBit() ) |
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376 { |
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377 DP_DTMF_READ( _L("END BIT SET, CANCEL") ); |
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378 iTonePlayer->CancelPlay(); |
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379 } |
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380 else |
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381 { |
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382 TBool prepareToPlay( EFalse ); |
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383 |
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384 if ( iFirstPacket ) |
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385 { |
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386 DP_DTMF_READ( _L("M BIT SET, CANCEL") ); |
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387 iFirstPacket = EFalse; |
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388 prepareToPlay = ETrue; |
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389 } |
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390 else if ( iCurrentEvent != iEventPayloadInfo[0].Event() |
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391 || iTimeStampOfPrevEvent != iEventPayloadInfo[0].TimeStamp() ) |
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392 { |
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393 DP_DTMF_READ( _L("NEW EVENT, CANCEL") ); |
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394 prepareToPlay = ETrue; |
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395 } |
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396 else |
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397 { |
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398 // Make PC-LINT happy |
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399 } |
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400 |
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401 iTimeStampOfPrevEvent = iEventPayloadInfo[0].TimeStamp(); |
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402 |
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403 if ( prepareToPlay ) |
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404 { |
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405 DP_DTMF_READ( _L("PREPARING TO PLAY NEW DIGIT") ); |
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406 iTonePlayer->CancelPlay(); |
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407 iCurrentEvent = iEventPayloadInfo[0].Event(); |
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408 |
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409 // Play DTMF until we have received final packet |
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410 TBuf<1> buf; |
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411 buf.Append( iEventPayloadInfo[0].Event() ); |
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412 iTonePlayer->SetDTMFLengths( KDTMFMaxTonePlaybackTime, |
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413 KDTMFDefToneOffLengthInUs, |
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414 KDTMFDefPauseLengthInUs ); |
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415 iTonePlayer->PrepareToPlayDTMFString( buf ); |
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416 } |
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417 } |
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418 } |
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419 else if ( 1 < eventCount ) |
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420 { |
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421 // Play out contiguous (mutually exclusive) events |
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422 TBuf<KMaxDtmfRedCount> buf; |
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423 for ( TUint i = 0; i < KMaxDtmfRedCount; i++ ) |
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424 { |
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425 buf.Append( iEventPayloadInfo[i].Event() ); |
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426 } |
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427 |
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428 // Playing with default settings |
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429 iTonePlayer->PrepareToPlayDTMFString( buf ); |
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430 } |
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431 else |
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432 { |
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433 // Some error, no events |
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434 } |
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435 |
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436 // Reset for a new RTP packet and to save memory |
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437 iEventPayloadInfo.Reset(); |
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438 } |
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439 |
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440 // --------------------------------------------------------------------------- |
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441 // CDTMFPayloadFormatRead::HandleDTMFTones |
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442 // NOT SUPPORTED. Handle and play DTMF tone payload. |
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443 // --------------------------------------------------------------------------- |
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444 // |
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445 void CDTMFPayloadFormatRead::HandleDTMFTones() |
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446 { |
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447 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::HandleDTMFTones") ); |
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448 |
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449 const TUint toneCount( iTonePayloadInfo.Count() ); |
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450 |
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451 // Loop is needed for subscriber line event construction, which may have |
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452 // longer cycles than one tone play out. E.g. "special information tone". |
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453 // TBD: PlayDualToneL may stop previous tone playback |
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454 for ( TUint i = 0; i < toneCount; i++ ) |
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455 { |
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456 iTonePlayer->SetVolume( iTonePayloadInfo[i].Volume() ); |
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457 iTonePlayer->PrepareToPlayDualTone( |
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458 iTonePayloadInfo[i].LowFrequency(), |
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459 iTonePayloadInfo[i].HighFrequency(), |
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460 iTonePayloadInfo[i].ToneOnPeriod() ); |
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461 } |
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462 } |
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463 |
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464 // --------------------------------------------------------------------------- |
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465 // CDTMFPayloadFormatRead::SourceThreadLogon |
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466 // Passes logon request to the RTP data source. |
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467 // --------------------------------------------------------------------------- |
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468 // |
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469 TInt CDTMFPayloadFormatRead::SourceThreadLogon( |
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470 MAsyncEventHandler& aEventHandler ) |
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471 { |
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472 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourceThreadLogon") ); |
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473 |
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474 if ( iClip ) |
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475 { |
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476 iClip->SourceThreadLogon( aEventHandler ); |
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477 return KErrNone; |
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478 } |
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479 else |
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480 { |
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481 return KErrNotReady; |
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482 } |
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483 } |
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484 |
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485 // --------------------------------------------------------------------------- |
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486 // CDTMFPayloadFormatRead::SourceThreadLogoff |
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487 // Passes log out request to the RTP data source. |
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488 // --------------------------------------------------------------------------- |
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489 // |
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490 void CDTMFPayloadFormatRead::SourceThreadLogoff( ) |
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491 { |
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492 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourceThreadLogoff") ); |
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493 |
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494 iClip->SourceThreadLogoff( ); |
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495 } |
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496 |
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497 // --------------------------------------------------------------------------- |
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498 // CDTMFPayloadFormatRead::SourcePrimeL |
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499 // Passes prime transition to the RTP data source. |
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500 // --------------------------------------------------------------------------- |
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501 // |
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502 void CDTMFPayloadFormatRead::SourcePrimeL() |
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503 { |
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504 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourcePrimeL") ); |
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505 |
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506 iClip->SourcePrimeL(); |
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507 } |
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508 |
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509 // --------------------------------------------------------------------------- |
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510 // CDTMFPayloadFormatRead::SourcePlayL |
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511 // Passes play transition to the RTP data source. |
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512 // --------------------------------------------------------------------------- |
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513 // |
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514 void CDTMFPayloadFormatRead::SourcePlayL() |
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515 { |
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516 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourcePlayL") ); |
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517 |
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518 iClip->SourcePlayL(); |
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519 FillSourceBufferL(); |
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520 } |
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521 |
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522 // --------------------------------------------------------------------------- |
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523 // CDTMFPayloadFormatRead::SourcePauseL |
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524 // Passes pause transition to the RTP data source. |
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525 // --------------------------------------------------------------------------- |
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526 // |
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527 void CDTMFPayloadFormatRead::SourcePauseL() |
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528 { |
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529 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourcePauseL") ); |
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530 |
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531 iClip->SourcePauseL(); |
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532 } |
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533 |
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534 // --------------------------------------------------------------------------- |
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535 // CDTMFPayloadFormatRead::SourceStopL |
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536 // Passes stop transition to the RTP data source. |
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537 // --------------------------------------------------------------------------- |
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538 // |
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539 void CDTMFPayloadFormatRead::SourceStopL() |
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540 { |
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541 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SourceStopL") ); |
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542 |
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543 iClip->SourceStopL(); |
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544 iStateMachine->Cancel( ); |
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545 iStateMachine->ChangeState( EDecodeIdle ); |
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546 iBufferToReadExists = EFalse; |
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547 } |
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548 |
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549 // --------------------------------------------------------------------------- |
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550 // CDTMFPayloadFormatRead::BufferFilledL |
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551 // Called by DataSource after it has been filled the buffer. |
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552 // --------------------------------------------------------------------------- |
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553 // |
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554 void CDTMFPayloadFormatRead::DataBufferFilledL( CMMFBuffer* aBuffer, |
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555 const TRtpRecvHeader& aRtpHeader ) |
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556 { |
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557 DP_DTMF_READ3( _L("CDTMFPayloadFormatRead::DataBufferFilledL, TSTAMP: %u, tick = %u"), |
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558 aRtpHeader.iTimestamp, User::NTickCount() ); |
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559 |
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560 if ( iCInfo.iPayloadType != aRtpHeader.iPayloadType ) |
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561 { |
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562 // We are not interested about this RTP packet. Ask another. |
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563 FillSourceBufferL(); |
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564 return; |
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565 } |
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566 |
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567 // Do other checks, null ptr and buffer type. |
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568 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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569 if ( KUidMmfDataBuffer != aBuffer->Type() ) |
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570 { |
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571 User::Leave( KErrNotSupported ); |
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572 } |
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573 |
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574 if ( iStateMachine->IsActive() ) |
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575 { |
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576 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::BufferFilledL - REJECTED") ); |
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577 // We are processing former events, do not mind incoming packets |
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578 // but ask for more. |
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579 FillSourceBufferL(); |
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580 } |
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581 else |
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582 { |
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583 CMMFDataBuffer* dataBuffer = static_cast<CMMFDataBuffer*>( aBuffer ); |
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584 if ( !dataBuffer->Data().Length() ) |
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585 { |
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586 // Do not handle packet, ask for more |
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587 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::BufferFilledL - NULL PAYLOAD") ); |
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588 FillSourceBufferL(); |
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589 } |
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590 else |
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591 { |
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592 // If we have already received the first packet from this event, |
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593 // then we should not decode and thus restart the playback because |
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594 // this will do unnecessary stop, prepare and play sequence to |
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595 // the tone player and causes distortions to DTMF playback. |
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596 // Normally events with marker bit set in RTP header are sent three |
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597 // times as specified in RFC2833 in order the implementation to be |
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598 // robust. |
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599 if ( !CompareFirstPacketRtpHeaders( aRtpHeader ) ) |
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600 { |
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601 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::BufferFilledL - NEW DATA") ); |
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602 |
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603 iBufferToReadExists = ETrue; |
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604 iFirstPacket = aRtpHeader.iMarker; |
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605 |
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606 // Copy received buffer |
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607 iSourceBuffer->Data().Copy( dataBuffer->Data() ); |
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608 iPayloadDecoder->SetCurTimeStamp( aRtpHeader.iTimestamp ); |
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609 |
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610 // Whenever BufferFilledL is called from RtpSourceSink |
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611 // set the state machine to fillsinkbuffer. |
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612 iStateMachine->ChangeState( ESourceDataReady ); |
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613 } |
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614 else |
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615 { |
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616 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::BufferFilledL - OLD DATA") ); |
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617 |
|
618 // Ask more data. |
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619 FillSourceBufferL(); |
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620 } |
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621 } |
|
622 } |
|
623 } |
|
624 |
|
625 // --------------------------------------------------------------------------- |
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626 // CDTMFPayloadFormatRead::SetSourcePrioritySettings |
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627 // |
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628 // --------------------------------------------------------------------------- |
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629 // |
|
630 void CDTMFPayloadFormatRead::SetSourcePrioritySettings( |
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631 const TMMFPrioritySettings& aPrioritySettings ) |
|
632 { |
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633 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::SetSinkPrioritySettings") ); |
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634 |
|
635 TMMFPrioritySettings settings = aPrioritySettings; |
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636 settings.iState = EMMFStateTonePlaying; |
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637 iTonePlayer->SetPriority( settings.iPriority, settings.iPref ); |
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638 } |
|
639 |
|
640 // --------------------------------------------------------------------------- |
|
641 // CDTMFPayloadFormatRead::MatoPrepareComplete |
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642 // |
|
643 // --------------------------------------------------------------------------- |
|
644 // |
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645 void CDTMFPayloadFormatRead::MatoPrepareComplete( TInt aError ) |
|
646 { |
|
647 if ( aError ) |
|
648 { |
|
649 // Some error, do not try to play DTMF |
|
650 DP_DTMF_READ2( _L("CDTMFPayloadFormatRead::MatoPrepareComplete - ERR: %d "), aError ); |
|
651 } |
|
652 else |
|
653 { |
|
654 DP_DTMF_READ2( _L("CDTMFPayloadFormatRead::MatoPrepareComplete, tick = %u"), |
|
655 User::NTickCount() ); |
|
656 iTonePlayer->Play(); |
|
657 } |
|
658 } |
|
659 |
|
660 // --------------------------------------------------------------------------- |
|
661 // CDTMFPayloadFormatRead::MatoPlayComplete |
|
662 // |
|
663 // --------------------------------------------------------------------------- |
|
664 // |
|
665 void CDTMFPayloadFormatRead::MatoPlayComplete( TInt aError ) |
|
666 { |
|
667 if ( KErrNone != aError ) |
|
668 { |
|
669 DP_DTMF_READ2( _L( |
|
670 "CDTMFPayloadFormatRead::MatoPlayComplete - ERR: %d"), aError ); |
|
671 } |
|
672 else |
|
673 { |
|
674 DP_DTMF_READ2( _L("CDTMFPayloadFormatRead::MatoPlayComplete KErrNone, tick = %u"), |
|
675 User::NTickCount() ); |
|
676 } |
|
677 } |
|
678 |
|
679 // --------------------------------------------------------------------------- |
|
680 // CDTMFPayloadFormatRead::ConfigurePayloadFormatL |
|
681 // Configure payload decoding parameters. |
|
682 // --------------------------------------------------------------------------- |
|
683 // |
|
684 void CDTMFPayloadFormatRead::ConfigurePayloadFormatL( |
|
685 const TDesC8& aConfigParams ) |
|
686 { |
|
687 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::ConfigurePayloadFormatL") ); |
|
688 |
|
689 if ( aConfigParams.Size() == sizeof( TMccCodecInfo ) ) |
|
690 { |
|
691 TMccCodecInfoBuffer infoBuffer; |
|
692 infoBuffer.Copy( aConfigParams ); |
|
693 iCInfo = infoBuffer(); |
|
694 |
|
695 if ( !iPayloadDecoder ) |
|
696 { |
|
697 iPayloadDecoder = CDTMFPayloadDecoder::NewL(); |
|
698 } |
|
699 |
|
700 if ( 0 < iCInfo.iRedundancyCount |
|
701 && KMaxDtmfRedCount >= TInt( iCInfo.iRedundancyCount ) ) |
|
702 { |
|
703 if ( EGenRedUsed == iCInfo.iAlgoUsed ) |
|
704 { |
|
705 iPayloadDecoder->SetPayloadFormat( |
|
706 EDTMFPayloadFormatRedEvents ); |
|
707 } |
|
708 else |
|
709 { |
|
710 User::Leave( KErrArgument ); |
|
711 } |
|
712 } |
|
713 } |
|
714 else |
|
715 { |
|
716 User::Leave( KErrArgument ); |
|
717 } |
|
718 |
|
719 CreateClipBufferL(); |
|
720 |
|
721 DP_DTMF_READ( _L( "CDTMFPayloadFormatRead::ConfigurePayloadFormatL OUT") ); |
|
722 } |
|
723 |
|
724 // ----------------------------------------------------------------------------- |
|
725 // CDTMFPayloadFormatRead::CreateClipBufferL |
|
726 // Creates buffer needed in data transfer with format readers clip. |
|
727 // ----------------------------------------------------------------------------- |
|
728 // |
|
729 void CDTMFPayloadFormatRead::CreateClipBufferL() |
|
730 { |
|
731 // If we have a source buffer already and it's size is correct, then this |
|
732 // one is a NOP |
|
733 if ( iSourceBuffer && KDTMFDefaultPayloadSize == |
|
734 iSourceBuffer->Data().MaxLength() ) |
|
735 { |
|
736 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CreateClipBufferL NOP") ); |
|
737 |
|
738 return; |
|
739 } |
|
740 // We already have source buffer, own it and it can be reallocated. |
|
741 else if ( iSourceBuffer && iSourceBufOwnership && |
|
742 KUidMmfDescriptorBuffer == iSourceBuffer->Type() ) |
|
743 { |
|
744 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CreateClipBufferL ReAlloc") ); |
|
745 |
|
746 CMMFDescriptorBuffer* desBuf = |
|
747 static_cast<CMMFDescriptorBuffer*>( iSourceBuffer ); |
|
748 desBuf->ReAllocBufferL( KDTMFDefaultPayloadSize ); |
|
749 desBuf = NULL; |
|
750 return; |
|
751 } |
|
752 // everything else... |
|
753 |
|
754 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CreateClipBufferL") ); |
|
755 |
|
756 if ( iSourceBufOwnership ) |
|
757 { |
|
758 delete iSourceBuffer; |
|
759 iSourceBuffer = NULL; |
|
760 } |
|
761 |
|
762 DP_DTMF_READ2( _L("CDTMFPayloadFormatRead::CreateClipBufferL 0x%x"), |
|
763 iClip->DataSourceType().iUid ); |
|
764 |
|
765 // We are normally dealing with multiplexer, so check against it. |
|
766 if ( iClip->CanCreateSourceBuffer() && |
|
767 TUid::Uid( KDllUidMccMultiplexer ) == iClip->DataSourceType() ) |
|
768 { |
|
769 static_cast<CMMFFormatDecode*>( iClip )->SuggestSourceBufferSize( |
|
770 KDTMFDefaultPayloadSize ); |
|
771 |
|
772 TBool reference( EFalse ); |
|
773 CMMFBuffer* sourceBuf |
|
774 = iClip->CreateSourceBufferL( KUidMediaTypeAudio, reference ); |
|
775 TBool isSupportedBuf |
|
776 = CMMFBuffer::IsSupportedDataBuffer( sourceBuf->Type() ); |
|
777 TBool isOwnBuffer = reference ? EFalse : ETrue; |
|
778 |
|
779 if ( !isSupportedBuf ) |
|
780 { |
|
781 if ( isOwnBuffer ) |
|
782 { |
|
783 delete sourceBuf; |
|
784 } |
|
785 |
|
786 User::Leave( KErrNotSupported ); |
|
787 } |
|
788 |
|
789 iSourceBufOwnership = isOwnBuffer; |
|
790 iSourceBuffer = static_cast<CMMFDataBuffer*>( sourceBuf ); |
|
791 } |
|
792 else |
|
793 { |
|
794 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CreateClipBufferL own buffer") ); |
|
795 |
|
796 iSourceBufOwnership = ETrue; |
|
797 iSourceBuffer = CMMFDataBuffer::NewL( KDTMFDefaultPayloadSize ); |
|
798 } |
|
799 |
|
800 // If we are already waiting for source data we must renew that request |
|
801 // as the pointer to our buffer goes dangling in other components, esp. |
|
802 // multiplexer. |
|
803 FillSourceBufferL(); |
|
804 |
|
805 DP_DTMF_READ2( _L("CDTMFPayloadFormatRead::CreateClipBufferL ownership: %d"), |
|
806 iSourceBufOwnership ); |
|
807 } |
|
808 |
|
809 // --------------------------------------------------------------------------- |
|
810 // From class MPayloadFormatRead. |
|
811 // |
|
812 // --------------------------------------------------------------------------- |
|
813 // |
|
814 TInt CDTMFPayloadFormatRead::HandleError( TInt aError, |
|
815 TFormatDecodeState /*aState*/ ) |
|
816 { |
|
817 return aError; |
|
818 } |
|
819 |
|
820 // --------------------------------------------------------------------------- |
|
821 // CDTMFPayloadFormatRead::CompareFirstPacketRtpHeaders |
|
822 // --------------------------------------------------------------------------- |
|
823 // |
|
824 TBool CDTMFPayloadFormatRead::CompareFirstPacketRtpHeaders( |
|
825 const TRtpRecvHeader& aRtpheader ) |
|
826 { |
|
827 const TRtpSequence next = iReceivedHeader.iSeqNum + 1; |
|
828 TBool ret = EFalse; |
|
829 const TUint8 KMarkerSet = 1; |
|
830 |
|
831 if ( next == aRtpheader.iSeqNum && |
|
832 iReceivedHeader.iPayloadType == aRtpheader.iPayloadType && |
|
833 iReceivedHeader.iTimestamp == aRtpheader.iTimestamp && |
|
834 KMarkerSet == iReceivedHeader.iMarker && |
|
835 KMarkerSet == aRtpheader.iMarker ) |
|
836 { |
|
837 DP_DTMF_READ( _L("CDTMFPayloadFormatRead::CompareFirstPacketRtpHeaders MATCH") ) |
|
838 ret = ETrue; |
|
839 } |
|
840 // else we return EFalse as set when declaring ret. |
|
841 |
|
842 iReceivedHeader = aRtpheader; |
|
843 return ret; |
|
844 } |
|
845 |
|
846 // End of File |