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1 /* |
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2 * Copyright (c) 2004-2006 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: Provides a comfort noise generator class |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <E32base.h> |
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21 #include <mmffourcc.h> |
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22 #include <mmfdatabuffer.h> |
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23 #include <utf.h> // charconv.lib |
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24 |
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25 #include "MsrpPayloadFormatRead.h" |
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26 #include "MsrpPayloadFormatWrite.h" // TStringElement, move independent |
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27 #include "MccRtpDataSource.h" |
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28 #include "Mccinternaldef.h" |
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29 #include "MccMsrpFormatLogs.h" |
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30 #include "msrppayloadformatdefs.h" |
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31 |
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32 |
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33 // ============================= LOCAL FUNCTIONS =============================== |
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34 |
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35 const TUint KLostChar = 0xFFFD; |
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36 |
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37 // ============================ MEMBER FUNCTIONS =============================== |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CMsrpPayloadFormatRead::CMsrpPayloadFormatRead |
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41 // |
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42 // CMsrpPayloadFormatRead default constructor, can NOT contain Msrp code, |
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43 // that might leave |
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44 // Phase #1 of 2-phase constructor |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 CMsrpPayloadFormatRead::CMsrpPayloadFormatRead ( ) : iFirstPacketsMissing (EFalse), |
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48 iPacketSecNumber(EFalse) |
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49 { |
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50 } |
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51 |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CMsrpPayloadFormatRead::ConstructL |
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55 // Symbian 2nd phase constructor can leave. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CMsrpPayloadFormatRead::ConstructL ( MDataSource* aSource ) |
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59 { |
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60 |
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61 DP_MSRP_WRITE( "CMsrpPayloadFormatRead::ConstructL" ); |
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62 __ASSERT_ALWAYS( aSource, User::Leave( KErrArgument ) ); |
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63 |
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64 // we are coming downstream, the clip is now the source and |
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65 // datapath the sink. If we use RTP source if of source the RTPSource |
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66 |
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67 iRtpDataSource = aSource; |
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68 iClip = aSource; |
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69 |
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70 //Flags to indicate actions |
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71 iFillRequested = EFalse; |
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72 iBufferToReadExists = EFalse; |
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73 |
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74 iFourCC = KMccFourCCIdMSRP ; |
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75 //iFourCC.Set( TFourCC( 'T','1','4','0' ) ); |
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76 |
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77 iRedData = new(ELeave)CArrayFixFlat<TStringElement>(3); |
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78 TStringElement empty; |
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79 iRedData->AppendL(empty); |
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80 iRedData->AppendL(empty); |
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81 iRedData->AppendL(empty); |
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82 |
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83 // TODO : refine my sizes |
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84 iCharData = HBufC8::NewL( KDataSize ); |
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85 iDecodedBuffer = CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
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86 |
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87 // Initialize decoding state machine |
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88 iStateMachine = CFormatDecodeStateMachine::NewL( this ); |
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89 iStateMachine->ChangeState( EDecodeIdle ); |
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90 |
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91 } |
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92 |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CMsrpPayloadFormatRead::NewL |
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96 // Two-phased constructor. |
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97 // Static function for creating and constructing an instance of |
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98 // the Text/Msrp Format |
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99 // Returns: CMsrpPayloadFormatRead* : pointer to created instance |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CMsrpPayloadFormatRead* CMsrpPayloadFormatRead::NewL( |
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103 MDataSource* aSource ) |
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104 |
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105 { |
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106 |
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107 DP_MSRP_WRITE("CMsrpPayloadFormatRead::NewL"); |
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108 |
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109 __ASSERT_ALWAYS( aSource, User::Leave( KErrArgument ) ); |
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110 |
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111 //__ASSERT_ALWAYS( ( KMccRtpSourceUid == aSource->DataSourceType() || |
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112 // KMccMsrpSourceUid == aSource->DataSourceType() ), |
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113 // User::Leave( KErrArgument ) ); |
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114 CMsrpPayloadFormatRead* self = new ( ELeave ) CMsrpPayloadFormatRead; |
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115 CleanupStack::PushL ( self ); |
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116 self->ConstructL ( aSource ); |
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117 CleanupStack::Pop( self ); |
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118 return self; |
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119 |
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120 } |
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121 |
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122 |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CMsrpPayloadFormatRead::~CMsrpPayloadFormatRead |
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126 // |
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127 // Destructor. |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 CMsrpPayloadFormatRead::~CMsrpPayloadFormatRead( ) |
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131 { |
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132 DP_MSRP_WRITE("CMsrpPayloadFormatRead::~CMsrpPayloadFormatRead"); |
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133 delete iFrameBufferOne; |
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134 delete iFrameBufferTwo; |
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135 |
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136 if ( iSourceBufOwnership ) |
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137 { |
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138 delete iPayloadBuffer; |
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139 } |
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140 else |
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141 { |
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142 iPayloadBuffer = NULL; |
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143 } |
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144 |
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145 if(iRedData) |
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146 { |
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147 delete iRedData; |
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148 iRedData = NULL; |
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149 } |
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150 |
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151 if(iCharData) |
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152 { |
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153 delete iCharData; |
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154 iCharData = NULL; |
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155 } |
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156 |
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157 if(iDecodedBuffer) |
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158 { |
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159 delete iDecodedBuffer; |
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160 iDecodedBuffer = NULL; |
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161 } |
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162 |
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163 if ( iStateMachine ) |
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164 { |
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165 iStateMachine->Cancel( ); |
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166 delete iStateMachine; |
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167 } |
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168 iCurrentBuffer = NULL; |
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169 iRtpDataSource = NULL; |
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170 iClip = NULL; |
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171 iDataPath = NULL; |
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172 iEventHandler = NULL; |
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173 } |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // CMsrpPayloadFormatRead::Streams |
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177 // Return number of message streams for the given media |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 TUint CMsrpPayloadFormatRead::Streams( TUid /*aMediaType*/) const |
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181 { |
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182 DP_MSRP_WRITE("CMsrpPayloadFormatRead::Streams"); |
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183 return 1; |
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184 } |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CMsrpPayloadFormatRead::FrameTimeInterval |
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188 // Return the frame time interval for the given media |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 TTimeIntervalMicroSeconds CMsrpPayloadFormatRead::FrameTimeInterval( |
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192 TMediaId /*aMediaId*/ ) const |
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193 { |
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194 DP_MSRP_WRITE("CMsrpPayloadFormatRead::FrameTimeInterval"); |
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195 |
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196 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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197 } |
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198 |
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199 |
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200 // ----------------------------------------------------------------------------- |
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201 // CMsrpPayloadFormatRead:: |
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202 // Fill Buffer. If DataSink asks to Fill a buffer |
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203 // ----------------------------------------------------------------------------- |
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204 // |
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205 void CMsrpPayloadFormatRead::FillBufferL( CMMFBuffer* aBuffer, |
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206 MDataSink* aConsumer, |
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207 TMediaId aMediaId ) |
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208 { |
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209 DP_MSRP_WRITE("CMsrpPayloadFormatRead::FillBufferL"); |
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210 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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211 __ASSERT_ALWAYS( aBuffer->Type() == KUidMmfDataBuffer, User::Leave( KErrArgument ) ); |
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212 __ASSERT_ALWAYS( aConsumer, User::Leave( KErrArgument ) ); |
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213 __ASSERT_ALWAYS( iStateMachine, User::Leave( KErrArgument ) ); |
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214 __ASSERT_ALWAYS( iFrameBufferOne, User::Leave( KErrArgument ) ); |
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215 __ASSERT_ALWAYS( iFrameBufferTwo, User::Leave( KErrArgument ) ); |
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216 |
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217 iDataPath = aConsumer; |
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218 iMediaId = aMediaId; |
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219 iFillRequested = ETrue; |
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220 |
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221 if ( iCurrentBuffer ) |
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222 { |
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223 iCurrentBuffer->SetStatus( EAvailable ); |
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224 iCurrentBuffer = NULL; |
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225 } |
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226 |
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227 if (iFrameBufferOne->Status() == EFull ) |
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228 { |
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229 iCurrentBuffer = iFrameBufferOne; |
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230 iStateMachine->ChangeState( ESourceDataReady ); |
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231 } |
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232 else if (iFrameBufferTwo->Status() == EFull ) |
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233 { |
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234 iCurrentBuffer = iFrameBufferTwo; |
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235 iStateMachine->ChangeState( ESourceDataReady ); |
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236 } |
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237 else |
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238 { |
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239 FillSourceBufferL(); |
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240 } |
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241 // ResetBuffers(); |
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242 } |
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243 |
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244 |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CMsrpPayloadFormatRead::FillSinkBuffer |
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248 // Read RTP payload and convert it into Text/Msrp Data |
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249 // ----------------------------------------------------------------------------- |
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250 // |
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251 void CMsrpPayloadFormatRead::FillSinkBufferL() |
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252 { |
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253 |
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254 // reset all bufs |
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255 ResetPacketBuffers(); |
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256 const TDesC8& srcBuf( iCurrentBuffer->Data() ); |
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257 |
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258 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iPacketCount: %d ", iPacketCount ); |
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259 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iFirstPacketsMissing: %d ", iFirstPacketsMissing ); |
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260 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iSatisfySecNumber: %d ", iSatisfySecNumber ); |
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261 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iLevelsMissing: %d ", iLevelsMissing ); |
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262 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iDroppedPacketCount: %d ", iDroppedPacketCount ); |
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263 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, iCurrentBuffer Size() : %d ", iCurrentBuffer->Data().Size() ); |
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264 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FillSinkBufferL, Currentbuffer BufferSize() : %d ", iCurrentBuffer->BufferSize() ); |
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265 |
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266 |
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267 // Do not forward zero length buffers, even though we filtered all unwanted data |
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268 // allready in BufferFilledL() -method |
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269 if ( iCurrentBuffer->BufferSize() > 0 ) |
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270 { |
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271 |
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272 TInt pValue(0); |
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273 switch ( iCodecInfo.iRedundancyCount ) |
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274 { |
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275 case 0: |
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276 iDecodedBuffer->Data().Append( iCurrentBuffer->Data() ); |
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277 iSatisfySecNumber++; |
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278 break; |
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279 |
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280 case 2: |
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281 pValue = DecodePayloadL( srcBuf ); |
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282 User::LeaveIfError(HandleRedundancyL(pValue)); |
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283 break; |
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284 } |
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285 |
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286 if ( !pValue ) |
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287 { |
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288 iStateMachine->ChangeState( EEmptyDataToSink ); |
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289 } |
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290 else |
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291 { |
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292 FillSourceBufferL(); |
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293 } |
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294 } |
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295 else |
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296 { |
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297 // No payload or Data sent by SipCon1, ask for more |
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298 DP_MSRP_WRITE("CMsrpPayloadFormatRead::FillSinkBufferL - Empty Data"); |
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299 iStateMachine->ChangeState( EWaitSourceData ); |
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300 } |
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301 } |
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302 |
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303 |
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304 |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CMsrpPayloadFormatRead::ResetBuffers() |
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308 // Send fill buffer request to RTP Data Source |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 void CMsrpPayloadFormatRead::ResetBuffers() |
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312 { |
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313 DP_MSRP_WRITE("CMsrpPayloadFormatRead::ResetBuffers"); |
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314 if ( iCurrentBuffer ) |
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315 { |
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316 iCurrentBuffer->SetStatus( EAvailable ); |
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317 iCurrentBuffer = NULL; |
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318 } |
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319 |
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320 if (iFrameBufferOne->Status() == EFull ) |
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321 { |
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322 DP_MSRP_WRITE("CMsrpPayloadFormatRead::ResetBuffers() - FB1 - was FULL"); |
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323 iCurrentBuffer = iFrameBufferOne; |
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324 iStateMachine->ChangeState( ESourceDataReady ); |
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325 } |
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326 else if (iFrameBufferTwo->Status() == EFull ) |
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327 { |
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328 DP_MSRP_WRITE("CMsrpPayloadFormatRead::ResetBuffers() - FB2 - was FULL"); |
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329 iCurrentBuffer = iFrameBufferTwo; |
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330 iStateMachine->ChangeState( ESourceDataReady ); |
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331 } |
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332 else |
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333 { |
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334 iStateMachine->ChangeState( EWaitSourceData ); |
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335 } |
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336 } |
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337 |
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338 |
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339 // ----------------------------------------------------------------------------- |
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340 // CMsrpPayloadFormatRead::FillSourceBufferL |
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341 // Send fill buffer request to RTP Data Source |
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342 // ----------------------------------------------------------------------------- |
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343 // |
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344 void CMsrpPayloadFormatRead::FillSourceBufferL() |
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345 { |
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346 |
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347 DP_MSRP_WRITE("CMsrpPayloadFormatRead::FillSourceBufferL"); |
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348 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
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349 __ASSERT_ALWAYS( iPayloadBuffer, User::Leave( KErrArgument ) ); |
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350 |
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351 iClip->FillBufferL(iPayloadBuffer, this, iMediaId ); |
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352 } |
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353 |
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354 // ----------------------------------------------------------------------------- |
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355 // CMsrpPayloadFormatRead::SendDataToSinkL |
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356 // Send full frame buffer to Data Path |
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357 // ----------------------------------------------------------------------------- |
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358 // |
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359 void CMsrpPayloadFormatRead::SendDataToSinkL( ) |
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360 { |
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361 |
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362 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SendDataToSinkL()"); |
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363 iFillRequested = EFalse; |
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364 iDataPath->BufferFilledL( iDecodedBuffer ); |
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365 |
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366 } |
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367 |
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368 // ----------------------------------------------------------------------------- |
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369 // CMsrpPayloadFormatRead::CreateSourceBufferL |
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370 // Create a source buffer for the given media and indicate in aReference if |
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371 // buffer is created. |
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372 // ----------------------------------------------------------------------------- |
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373 // |
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374 CMMFBuffer* CMsrpPayloadFormatRead::CreateSourceBufferL( |
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375 TMediaId /*aMediaId*/, |
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376 TBool &aReference ) |
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377 { |
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378 DP_MSRP_WRITE("CMsrpPayloadFormatRead::CreateSourceBufferL"); |
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379 // the source buffers belong to MsrpPayloadFormatRead not to datapath |
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380 // aReference should be set to ETrue and destroyed by MsrpPayloadFormatRead |
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381 // itself. |
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382 aReference = ETrue; |
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383 iCurrentBuffer = iFrameBufferOne; |
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384 return iFrameBufferOne; |
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385 |
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386 } |
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387 |
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388 |
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389 // ----------------------------------------------------------------------------- |
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390 // CMsrpPayloadFormatRead::CreateSourceBufferL |
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391 // Create a source buffer for the given media, setting frame size to match |
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392 // the given sink buffer |
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393 // ----------------------------------------------------------------------------- |
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394 // |
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395 CMMFBuffer* CMsrpPayloadFormatRead::CreateSourceBufferL( |
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396 TMediaId aMediaId, |
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397 CMMFBuffer& /*aSinkBuffer*/, |
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398 TBool &aReference ) |
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399 { |
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400 DP_MSRP_WRITE("CMsrpPayloadFormatRead::CreateSourceBufferL"); |
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401 return CreateSourceBufferL( aMediaId, aReference ); |
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402 } |
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403 |
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404 |
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405 // ----------------------------------------------------------------------------- |
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406 // CMsrpPayloadFormatRead::SourceDataTypeCode |
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407 // Return the source data type ( four CC code ) for the given media |
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408 // ----------------------------------------------------------------------------- |
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409 // |
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410 TFourCC CMsrpPayloadFormatRead::SourceDataTypeCode( |
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411 TMediaId aMediaId ) |
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412 { |
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413 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourceDataTypeCode"); |
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414 //TODO: Change me when platform supports |
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415 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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416 { |
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417 return iFourCC; |
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418 } |
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419 else |
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420 { |
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421 return TFourCC( ); //defaults to 'NULL' fourCC |
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422 } |
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423 |
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424 } |
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425 |
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426 // ----------------------------------------------------------------------------- |
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427 // CMsrpPayloadFormatRead::SetSourceDataTypeCode |
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428 // Set the source data type to the given four CC code for the given |
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429 // media |
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430 // ----------------------------------------------------------------------------- |
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431 // |
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432 TInt CMsrpPayloadFormatRead::SetSourceDataTypeCode( TFourCC aSourceFourCC, |
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433 TMediaId aMediaId ) |
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434 { |
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435 |
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436 //TODO Change me when platform supports |
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437 /* |
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438 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
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439 { |
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440 return KErrNotSupported; |
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441 } |
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442 */ |
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443 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SetSourceDataTypeCode"); |
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444 iFourCC = aSourceFourCC; |
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445 iMediaId = aMediaId; |
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446 iClip->SetSourceDataTypeCode( iFourCC, iMediaId ); |
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447 return KErrNone; |
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448 |
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449 } |
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450 |
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451 // ----------------------------------------------------------------------------- |
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452 // CMsrpPayloadFormatRead::SourceThreadLogon |
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453 // Log in to the source thread |
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454 // ----------------------------------------------------------------------------- |
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455 // |
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456 TInt CMsrpPayloadFormatRead::SourceThreadLogon( |
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457 MAsyncEventHandler& aEventHandler ) |
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458 { |
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459 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourceThreadLogon"); |
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460 iEventHandler = &aEventHandler; |
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461 iClip->SourceThreadLogon( aEventHandler ); |
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462 return KErrNone; |
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463 |
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464 } |
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465 |
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466 // ----------------------------------------------------------------------------- |
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467 // CMsrpPayloadFormatRead::NegotiateSourceL( MDataSink& aDataSink ) |
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468 // Negotiate source settings to match data sink object. |
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469 // Re-size frame buffers if needed |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 void CMsrpPayloadFormatRead::NegotiateSourceL( MDataSink& /*aDataSink*/ ) |
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473 { |
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474 DP_MSRP_WRITE("CMsrpPayloadFormatRead::NegotiateSourceL"); |
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475 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
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476 iClip->NegotiateSourceL( *this ); |
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477 |
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478 } |
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479 |
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480 // ----------------------------------------------------------------------------- |
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481 // CMsrpPayloadFormatRead::SourceThreadLogoff |
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482 // Log out of the source thread. |
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483 // ----------------------------------------------------------------------------- |
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484 // |
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485 void CMsrpPayloadFormatRead::SourceThreadLogoff() |
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486 { |
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487 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourceThreadLogoff"); |
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488 iClip->SourceThreadLogoff( ); |
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489 } |
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490 |
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491 |
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492 // ----------------------------------------------------------------------------- |
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493 // CMsrpPayloadFormatRead::FilterUnwantedData |
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494 // this method can be used to filter unwanted data off |
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495 // |
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496 // e.g SipCon1 sends BOM data in first String and PS data as carriage return |
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497 // Engine should NOT touch these but Presentation layer should take care of these |
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498 |
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499 // Method can be used to filtering pusposes if needed |
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500 // ----------------------------------------------------------------------------- |
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501 // |
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502 TBool CMsrpPayloadFormatRead::FilterUnwantedData(const TDesC8& aBuffer) |
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503 { |
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504 |
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505 //TODO: We must do a entity recognizer, which handles this kind of data |
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506 // This does not affect to actual formatter, instead we |
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507 // a) must do it to application side |
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508 // b) we must define an interface, which can be called |
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509 TBool ret = ETrue; |
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510 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::FilterUnwantedData() - BufferSize:%d",aBuffer.Length()); |
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511 |
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512 //get Three first or Three last chars |
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513 if( aBuffer.Length() >= 3 ) |
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514 { |
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515 //SipCon sends BOM for the first time |
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516 TPtrC8 pBOM = aBuffer.Left(3); |
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517 if ( pBOM[0] == 0xEF && pBOM[1] == 0xBB && pBOM[2]== 0xBF) |
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518 { |
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519 //return EFalse if want to filter the whole message |
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520 ret = ETrue; |
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521 } |
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522 |
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523 |
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524 // last are unicode PS char ( return ) |
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525 TPtrC8 pPS = aBuffer.Right(3); |
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526 if ( pPS[0] == 0xE2 && pPS[1] == 0x80 && pPS[2]== 0xA8) |
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527 { |
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528 //return EFalse if want to filter |
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529 ret = ETrue; |
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530 } |
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531 |
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532 } |
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533 //There might be back spaces and other marks |
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534 else if( aBuffer.Length() >= 1 ) |
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535 { |
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536 TPtrC8 pChar = aBuffer.Left(1); |
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537 if( pChar[0] == 0x08 ) |
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538 { |
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539 ret = ETrue; |
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540 } |
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541 //bell |
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542 else if( pChar[0] == 0x07) |
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543 { |
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544 ret = ETrue; |
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545 } |
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546 //tab |
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547 else if( pChar[0] == 0x09) |
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548 { |
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549 ret = ETrue; |
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550 } |
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551 //escape |
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552 else if( pChar[0] == 0x1B) |
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553 { |
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554 ret = ETrue; |
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555 } |
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556 |
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557 //etc |
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558 } |
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559 |
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560 return ret; |
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561 } |
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562 // ----------------------------------------------------------------------------- |
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563 // CMsrpPayloadFormatRead::BufferFilledL |
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564 // Called after the data buffer is filled. Update the number of bytes read |
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565 // and the current read position for the next read operation. |
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566 // ----------------------------------------------------------------------------- |
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567 // |
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568 void CMsrpPayloadFormatRead::DataBufferFilledL( CMMFBuffer* aBuffer, |
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569 const TRtpRecvHeader& aRtpHeader ) |
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570 { |
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571 |
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572 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::SendDataToSinkL() - BufferSize:%d",aBuffer->BufferSize()); |
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573 |
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574 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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575 __ASSERT_ALWAYS( aBuffer->Type() == KUidMmfDataBuffer, User::Leave( KErrArgument ) ); |
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576 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
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577 __ASSERT_ALWAYS( iStateMachine, User::Leave( KErrArgument ) ); |
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578 __ASSERT_ALWAYS( iFrameBufferOne , User::Leave( KErrArgument ) ); |
|
579 __ASSERT_ALWAYS( iFrameBufferTwo , User::Leave( KErrArgument ) ); |
|
580 |
|
581 |
|
582 DP_MSRP_WRITE("CMsrpPayloadFormatRead::BufferFilledL with RTP header param:"); |
|
583 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iPadding: %d", aRtpHeader.iPadding ); |
|
584 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iExtension: %d", aRtpHeader.iExtension ); |
|
585 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iCsrcCount: %d", aRtpHeader.iCsrcCount ); |
|
586 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iMarker: %d", aRtpHeader.iMarker ); |
|
587 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iPayloadType: %d", aRtpHeader.iPayloadType ); |
|
588 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iSeqNum: %d", aRtpHeader.iSeqNum ); |
|
589 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iTimestamp: %d", aRtpHeader.iTimestamp ); |
|
590 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iHeaderExtension: %d", (TInt)aRtpHeader.iHeaderExtension ); |
|
591 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iCsrcList: %d", (TInt)aRtpHeader.iCsrcList ); |
|
592 |
|
593 // Do not forward smaller zero length buffers or unwanted data |
|
594 if ( aBuffer->BufferSize() > 0 && FilterUnwantedData(static_cast<CMMFDataBuffer*>( aBuffer )->Data()) ) |
|
595 { |
|
596 //check seqnumber, if first packet get sequence Nr. from it |
|
597 if ( iPacketCount == 0 ) |
|
598 { |
|
599 //if marker == 1, then we know this is the first packet |
|
600 if(aRtpHeader.iMarker == 1) |
|
601 { |
|
602 // flag to indicate, because first of idle sends this also |
|
603 if ( !iPacketSecNumber ) |
|
604 { |
|
605 iSatisfySecNumber = aRtpHeader.iSeqNum; |
|
606 iCheckSum = iSatisfySecNumber; |
|
607 iPacketSecNumber = ETrue; |
|
608 } |
|
609 } |
|
610 else |
|
611 { |
|
612 // first packet was missing, signal this |
|
613 iFirstPacketsMissing = ETrue; |
|
614 DP_MSRP_WRITE("First Packet Is MISSING!"); |
|
615 } |
|
616 |
|
617 } |
|
618 else |
|
619 { |
|
620 // 0, -1, -2; ( 0 means expected packet arrived ) |
|
621 //iLevelsMissing = iSatisfySecNumber - aRtpHeader.iSeqNum; |
|
622 iLevelsMissing = 0; |
|
623 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iLevelsMissing: %d", iLevelsMissing ); |
|
624 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL aRtpHeader.iSeqNum: %d", aRtpHeader.iSeqNum ); |
|
625 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::BufferFilledL iSatisfySecNumber: %d", iSatisfySecNumber ); |
|
626 } |
|
627 |
|
628 |
|
629 iPacketCount++; |
|
630 // check for packets arriving late, redundant data allready got |
|
631 if ( iLevelsMissing <= 0) |
|
632 { |
|
633 // we add packet count here. This is for physical packets, not for redundant data |
|
634 |
|
635 if ( iFrameBufferOne->Status() == EAvailable ) |
|
636 { |
|
637 iFrameBufferOne->Data().Copy( static_cast<CMMFDataBuffer*>( aBuffer )->Data() ); |
|
638 iFrameBufferOne->SetTimeToPlay( aRtpHeader.iTimestamp ); |
|
639 iFrameBufferOne->SetLastBuffer( aRtpHeader.iMarker ); |
|
640 iFrameBufferOne->SetFrameNumber( aRtpHeader.iSeqNum ); |
|
641 iFrameBufferOne->SetStatus( EFull ); |
|
642 |
|
643 if (iFrameBufferTwo->Status() == EAvailable ) |
|
644 { |
|
645 iCurrentBuffer = iFrameBufferOne; |
|
646 iStateMachine->ChangeState( ESourceDataReady ); |
|
647 } |
|
648 } |
|
649 else if ( iFrameBufferTwo->Status() == EAvailable ) |
|
650 { |
|
651 iFrameBufferTwo->Data().Copy( static_cast<CMMFDataBuffer*>( aBuffer )->Data() ); |
|
652 iFrameBufferTwo->SetTimeToPlay( aRtpHeader.iTimestamp ); |
|
653 iFrameBufferTwo->SetLastBuffer( aRtpHeader.iMarker ); |
|
654 iFrameBufferTwo->SetFrameNumber( aRtpHeader.iSeqNum ); |
|
655 iFrameBufferTwo->SetStatus( EFull ); |
|
656 |
|
657 if (iFrameBufferOne->Status() == EAvailable ) |
|
658 { |
|
659 iCurrentBuffer = iFrameBufferTwo; |
|
660 iStateMachine->ChangeState( ESourceDataReady ); |
|
661 } |
|
662 } |
|
663 else |
|
664 { |
|
665 // Neither of the buffers is available and leave |
|
666 User::Leave( KErrNotReady ); |
|
667 } |
|
668 } |
|
669 else |
|
670 { |
|
671 DP_MSRP_WRITE("CMsrpPayloadFormatRead::BufferFilledL IGNORING Packet, data recovered!"); |
|
672 } |
|
673 |
|
674 } |
|
675 else |
|
676 { |
|
677 DP_MSRP_WRITE("CMsrpPayloadFormatRead::BufferFilledL NO PAYLOAD, Data smaller than 8 bytes "); |
|
678 iStateMachine->ChangeState( EWaitSourceData ); |
|
679 } |
|
680 |
|
681 |
|
682 } |
|
683 |
|
684 |
|
685 |
|
686 // ----------------------------------------------------------------------------- |
|
687 // CMsrpPayloadFormatRead::DecodePayloadL( const TDesC8& aBuffer ) |
|
688 // |
|
689 // Decodec payload according level 2 redundancy ( RFC 4103 ) |
|
690 // First there are Normal RTP Header, which was extracted by RTP Stack. |
|
691 // Then there are two 32-bit Redundant headers and one 8 -bit primary Header. |
|
692 // Then there are R2, R1 and Primary data appended respectively. |
|
693 // ----------------------------------------------------------------------------- |
|
694 // |
|
695 TInt CMsrpPayloadFormatRead::DecodePayloadL( const TDesC8& aBuffer ) |
|
696 { |
|
697 DP_MSRP_WRITE("CMsrpPayloadFormatRead::DecodePayload()"); |
|
698 |
|
699 TInt ret = KErrNone; |
|
700 RDebug::Print( _L("CMsrpPayloadFormatRead::DecodePayload() -> %d") , aBuffer.Size() ); |
|
701 const TUint8* aPtr = aBuffer.Ptr(); |
|
702 TInt ctr(0); |
|
703 |
|
704 // get 1st 32 = R2 header |
|
705 TUint32 r2Header = Read32( aPtr ); |
|
706 |
|
707 RDebug::Print( _L("CMsrpPayloadFormatRead R2 Header Data : %x"), r2Header ); |
|
708 aPtr += 4; |
|
709 ctr+= 4; |
|
710 TUint16 aR2Lenght(0), aR2TimeStamp(0); |
|
711 TInt err = ParseRedHeader( r2Header, aR2Lenght, aR2TimeStamp ); |
|
712 |
|
713 RDebug::Print( _L("CMsrpPayloadFormatRead R2 Lengt : %d , TimeStamp %x "), aR2Lenght, aR2TimeStamp ); |
|
714 if( err ) |
|
715 { |
|
716 User::Leave( err ); |
|
717 } |
|
718 |
|
719 // get 2nd 32 = R1 header |
|
720 TUint32 r1Header = Read32( aPtr ); |
|
721 RDebug::Print( _L("CMsrpPayloadFormatRead R1 Header Data : %x"), r1Header ); |
|
722 aPtr += 4; |
|
723 ctr +=4; |
|
724 TUint16 aR1Lenght(0), aR1TimeStamp(0); |
|
725 err = ParseRedHeader( r1Header, aR1Lenght, aR1TimeStamp ); |
|
726 RDebug::Print( _L("CMsrpPayloadFormatRead R1 Lengt : %x , TimeStamp %x "), aR1Lenght, aR1TimeStamp ); |
|
727 if( err ) |
|
728 { |
|
729 User::Leave( err ); |
|
730 } |
|
731 |
|
732 // get |
|
733 TUint8 aPt = ( Read8( aPtr ) & 255 ); |
|
734 aPtr += 1; |
|
735 ctr += 1; |
|
736 TUint8 pPayloadType = ( aPt & 127 ); |
|
737 TUint8 pBit = ( aPt >> 7 ); |
|
738 |
|
739 RDebug::Print( _L("CMsrpPayloadFormatRead Primary data : %d "), aPt ); |
|
740 RDebug::Print( _L("CMsrpPayloadFormatRead Primary bit : %d , PT %d "), pBit, pPayloadType ); |
|
741 |
|
742 //TODO: When IOP-Tests Are done clean me out. |
|
743 TPtr8 pP = iCharData->Des(); |
|
744 pP.FillZ(); |
|
745 pP.Zero(); |
|
746 pP.Append(aPtr, aR2Lenght); |
|
747 aPtr += aR2Lenght; |
|
748 TBuf16<KDataSize> unicode; |
|
749 User::LeaveIfError( |
|
750 CnvUtfConverter::ConvertToUnicodeFromUtf8(unicode, pP )); |
|
751 TStringElement data; |
|
752 data.iData = unicode; |
|
753 iRedData->AppendL(data); |
|
754 |
|
755 RDebug::Print( _L("CMsrpPayloadFormatRead GOT Data %S "), &pP ); |
|
756 |
|
757 pP.FillZ(); |
|
758 pP.Zero(); |
|
759 pP.Append(aPtr, aR1Lenght); |
|
760 aPtr += aR2Lenght; |
|
761 unicode.FillZ(); |
|
762 unicode.Zero(); |
|
763 User::LeaveIfError( |
|
764 CnvUtfConverter::ConvertToUnicodeFromUtf8(unicode, pP )); |
|
765 data.iData = unicode; |
|
766 iRedData->AppendL(data); |
|
767 |
|
768 RDebug::Print( _L("CMsrpPayloadFormatRead GOT Data %S "), &pP ); |
|
769 TInt rest = aBuffer.Size() - ( ctr + aR2Lenght + aR1Lenght); |
|
770 |
|
771 //NO PRIMARY DATA, means redundant packet |
|
772 if( rest == 0) |
|
773 { |
|
774 ret = KErrNotFound; |
|
775 } |
|
776 |
|
777 RDebug::Print( _L("CMsrpPayloadFormatRead Rest %d "), rest ); |
|
778 |
|
779 pP.FillZ(); |
|
780 pP.Zero(); |
|
781 pP.Append(aPtr, rest ); |
|
782 aPtr += aBuffer.Size(); |
|
783 unicode.FillZ(); |
|
784 unicode.Zero(); |
|
785 User::LeaveIfError( |
|
786 CnvUtfConverter::ConvertToUnicodeFromUtf8(unicode, pP )); |
|
787 data.iData = unicode; |
|
788 iRedData->AppendL(data); |
|
789 |
|
790 RDebug::Print( _L("CMsrpPayloadFormatRead GOT Data %S "), &pP ); |
|
791 return ret; |
|
792 |
|
793 } |
|
794 |
|
795 |
|
796 // ----------------------------------------------------------------------------- |
|
797 // CMsrpPayloadFormatRead::ParseRedHeader |
|
798 // Small helper method that parses the 32-bit redundant header |
|
799 // according to RFC 4103 |
|
800 // ----------------------------------------------------------------------------- |
|
801 // |
|
802 TInt CMsrpPayloadFormatRead::ParseRedHeader(TUint32 /*aHeader*/, TUint16& /*aLenght*/, TUint16& /*aTimeStamp*/ ) |
|
803 { |
|
804 // Not Supported |
|
805 #if 0 |
|
806 TUint8 aPt = ( aHeader >> 24 ) & 255; |
|
807 TUint8 aTest = ( aHeader ) & 255; |
|
808 |
|
809 TUint8 aBit = ( aPt >> 7 ) & 1; |
|
810 TUint8 aPayloadType = ( aPt & 127 ); |
|
811 //TODO: Checks fi PayloadTypes and bits match |
|
812 |
|
813 aTimeStamp = ( aHeader >> 10 ) & 0x3FFF; |
|
814 aLenght = ( aHeader & 0x3FF ); |
|
815 //TODO: Checks if timestampoffset and lenght is ok |
|
816 #endif |
|
817 return KErrNone; |
|
818 } |
|
819 |
|
820 |
|
821 // ----------------------------------------------------------------------------- |
|
822 // CMsrpPayloadFormatRead::HandleRedundancyL |
|
823 // Logic method, that updates all counters and decides what data we should |
|
824 // append to userBuffer. If packets are missing, we must use redundant data |
|
825 // ----------------------------------------------------------------------------- |
|
826 // |
|
827 TInt CMsrpPayloadFormatRead::HandleRedundancyL(TInt aErrNo) |
|
828 { |
|
829 |
|
830 DP_MSRP_WRITE2("CAnyPayloadFormatRead::BufferFilledL iLevelsMissing: %d", iLevelsMissing ); |
|
831 DP_MSRP_WRITE2("CAnyPayloadFormatRead::BufferFilledL iFirstPacketsMissing: %d", iFirstPacketsMissing ); |
|
832 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::HandleRedundancy() -> 0 :%S", &iRedData->At(0).iData ); |
|
833 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::HandleRedundancy() -> 1 :%S", &iRedData->At(1).iData ); |
|
834 DP_MSRP_WRITE2("CMsrpPayloadFormatRead::HandleRedundancy() -> 2 :%S", &iRedData->At(2).iData ); |
|
835 |
|
836 //if first packet is missing handle all redData |
|
837 if( iFirstPacketsMissing ) |
|
838 { |
|
839 iDecodedBuffer->Data().Append( iRedData->At(2).iData ); |
|
840 iDecodedBuffer->Data().Append( iRedData->At(1).iData ); |
|
841 iDecodedBuffer->Data().Append( iRedData->At(0).iData ); |
|
842 iSatisfySecNumber += 3; |
|
843 } |
|
844 else // check levels from |
|
845 { |
|
846 switch(iLevelsMissing) |
|
847 { |
|
848 case(0): |
|
849 // expected packet errived |
|
850 iDecodedBuffer->Data().Append(iRedData->At(2).iData); |
|
851 iSatisfySecNumber ++; |
|
852 break; |
|
853 |
|
854 case(-1): // one packet missing |
|
855 if( aErrNo ) |
|
856 { |
|
857 iDecodedBuffer->Data().Append(iRedData->At(2).iData); |
|
858 } |
|
859 if ( iRedData->At(1).iData.Length() != 0 ) |
|
860 { |
|
861 iDecodedBuffer->Data().Append(iRedData->At(1).iData); |
|
862 } |
|
863 iSatisfySecNumber += 2; |
|
864 iDroppedPacketCount += 1; |
|
865 break; |
|
866 |
|
867 case(-2): // two packets missing |
|
868 if( aErrNo ) |
|
869 { |
|
870 iDecodedBuffer->Data().Append(iRedData->At(2).iData); |
|
871 } |
|
872 if ( iRedData->At(1).iData.Length() != 0 ) |
|
873 { |
|
874 iDecodedBuffer->Data().Append(iRedData->At(1).iData); |
|
875 } |
|
876 if ( iRedData->At(0).iData.Length() != 0 ) |
|
877 { |
|
878 iPayloadBuffer->Data().Append(iRedData->At(0).iData); |
|
879 } |
|
880 iSatisfySecNumber += 3; |
|
881 iDroppedPacketCount += 2; |
|
882 break; |
|
883 |
|
884 default: |
|
885 //bacause if network idles or in debugging state |
|
886 // a lot of packets might not be received. |
|
887 //we are handlng all as missing chars |
|
888 DP_MSRP_WRITE("CMsrpPayloadFormatRead::LevelsMissing > 2!"); |
|
889 |
|
890 iDecodedBuffer->Data().Append(KLostChar); |
|
891 iSatisfySecNumber += (-iLevelsMissing ) +1; |
|
892 iDroppedPacketCount += (-iLevelsMissing ); |
|
893 |
|
894 break; |
|
895 } |
|
896 } |
|
897 return KErrNone; |
|
898 } |
|
899 |
|
900 |
|
901 |
|
902 // ----------------------------------------------------------------------------- |
|
903 // CMsrpPayloadFormatRead::ResetPacketBuffers() |
|
904 // Helper method that that resets all buffers used |
|
905 // ----------------------------------------------------------------------------- |
|
906 // |
|
907 void CMsrpPayloadFormatRead::ResetPacketBuffers() |
|
908 { |
|
909 DP_MSRP_WRITE("CMsrpPayloadFormatRead::ResetPacketBuffers()"); |
|
910 iRedData->Reset(); |
|
911 iCharData->Des().FillZ(); |
|
912 iCharData->Des().Zero(); |
|
913 iDecodedBuffer->Data().FillZ(); |
|
914 iDecodedBuffer->Data().Zero(); |
|
915 } |
|
916 |
|
917 |
|
918 // NOT CALLED, BECAUSE WE ARE USING RTP ONLY |
|
919 void CMsrpPayloadFormatRead::BufferFilledL( CMMFBuffer* /*aBuffer*/ ) |
|
920 { |
|
921 DP_MSRP_WRITE("CMsrpPayloadFormatRead::BufferFilledL"); |
|
922 User::Leave( KErrNotSupported ); |
|
923 } |
|
924 |
|
925 |
|
926 // ----------------------------------------------------------------------------- |
|
927 // CMsrpPayloadFormatRead::Duration |
|
928 // Return the clip duration for the given media. |
|
929 // ----------------------------------------------------------------------------- |
|
930 // |
|
931 TTimeIntervalMicroSeconds CMsrpPayloadFormatRead::Duration( |
|
932 TMediaId /*aMediaType*/ ) const |
|
933 { |
|
934 DP_MSRP_WRITE("CMsrpPayloadFormatRead::Duration"); |
|
935 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
|
936 } |
|
937 |
|
938 |
|
939 |
|
940 // ----------------------------------------------------------------------------- |
|
941 // CMsrpPayloadFormatRead::LastDlPacketCount |
|
942 // Return current packet count for current talk spurt |
|
943 // ----------------------------------------------------------------------------- |
|
944 // |
|
945 TInt CMsrpPayloadFormatRead::LastDlPacketCount( ) |
|
946 { |
|
947 DP_MSRP_WRITE("CMsrpPayloadFormatRead::LastDlPacketCount"); |
|
948 return iPacketCount; |
|
949 } |
|
950 |
|
951 |
|
952 |
|
953 // ----------------------------------------------------------------------------- |
|
954 // CMsrpPayloadFormatRead::CancelDlRequest( ) |
|
955 // |
|
956 // ----------------------------------------------------------------------------- |
|
957 // |
|
958 void CMsrpPayloadFormatRead::CancelDlRequest() |
|
959 { |
|
960 DP_MSRP_WRITE("CMsrpPayloadFormatRead::CancelDlRequest"); |
|
961 iStateMachine->Cancel(); |
|
962 iStateMachine->ChangeState( EDecodeIdle ); |
|
963 |
|
964 if ( iFrameBufferOne && iFrameBufferTwo ) |
|
965 { |
|
966 iFrameBufferOne->SetLastBuffer( EFalse ); |
|
967 iFrameBufferTwo->SetLastBuffer( EFalse ); |
|
968 |
|
969 iFrameBufferOne->SetStatus( EAvailable ); |
|
970 iFrameBufferTwo->SetStatus( EAvailable ); |
|
971 } |
|
972 |
|
973 iBufferToReadExists = EFalse; |
|
974 iCurrentBuffer = iFrameBufferOne; |
|
975 iFillRequested = EFalse; |
|
976 |
|
977 } |
|
978 |
|
979 // ----------------------------------------------------------------------------- |
|
980 // CMsrpPayloadFormatRead::SourcePrimeL() |
|
981 // |
|
982 // ----------------------------------------------------------------------------- |
|
983 // |
|
984 void CMsrpPayloadFormatRead::SourcePrimeL() |
|
985 { |
|
986 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourcePrimeL"); |
|
987 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
|
988 iClip->SourcePrimeL(); |
|
989 } |
|
990 |
|
991 |
|
992 // ----------------------------------------------------------------------------- |
|
993 // CMsrpPayloadFormatRead::SourcePlayL() |
|
994 // |
|
995 // ----------------------------------------------------------------------------- |
|
996 // |
|
997 void CMsrpPayloadFormatRead::SourcePlayL() |
|
998 { |
|
999 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourcePlayL"); |
|
1000 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
|
1001 |
|
1002 // init packet count |
|
1003 iPacketCount = 0; |
|
1004 |
|
1005 //init satisfiable sec number count |
|
1006 iSatisfySecNumber = 0; |
|
1007 |
|
1008 iCheckSum = 0; |
|
1009 |
|
1010 // init levelsMissingNumber |
|
1011 iLevelsMissing = 0; |
|
1012 |
|
1013 //init flag |
|
1014 iPacketSecNumber = EFalse; |
|
1015 |
|
1016 iClip->SourcePlayL(); |
|
1017 |
|
1018 } |
|
1019 |
|
1020 // ----------------------------------------------------------------------------- |
|
1021 // CMsrpPayloadFormatRead::SourcePauseL() |
|
1022 // |
|
1023 // ----------------------------------------------------------------------------- |
|
1024 // |
|
1025 void CMsrpPayloadFormatRead::SourcePauseL() |
|
1026 { |
|
1027 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourcePauseL"); |
|
1028 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
|
1029 |
|
1030 this->CancelDlRequest(); |
|
1031 iClip->SourcePauseL(); |
|
1032 |
|
1033 } |
|
1034 |
|
1035 // ----------------------------------------------------------------------------- |
|
1036 // CMsrpPayloadFormatRead::SourceStopL( ) |
|
1037 // |
|
1038 // ----------------------------------------------------------------------------- |
|
1039 // |
|
1040 void CMsrpPayloadFormatRead::SourceStopL() |
|
1041 { |
|
1042 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SourceStopL"); |
|
1043 __ASSERT_ALWAYS( iClip, User::Leave( KErrArgument ) ); |
|
1044 |
|
1045 this->CancelDlRequest(); |
|
1046 iClip->SourceStopL(); |
|
1047 |
|
1048 } |
|
1049 |
|
1050 // ----------------------------------------------------------------------------- |
|
1051 // CMsrpPayloadFormatRead::SinkDataTypeCode() |
|
1052 // Returns the datatype code for this Format Decoder |
|
1053 // ----------------------------------------------------------------------------- |
|
1054 // |
|
1055 TFourCC CMsrpPayloadFormatRead::SinkDataTypeCode( TMediaId aMediaId ) |
|
1056 { |
|
1057 DP_MSRP_WRITE("CMsrpPayloadFormatRead::SinkDataTypeCode"); |
|
1058 //TODO: We have to check that media type text |
|
1059 |
|
1060 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
|
1061 { |
|
1062 return iFourCC; |
|
1063 } |
|
1064 else |
|
1065 { |
|
1066 return TFourCC(); //defaults to 'NULL' fourCC |
|
1067 } |
|
1068 |
|
1069 } |
|
1070 |
|
1071 // ----------------------------------------------------------------------------- |
|
1072 // CMsrpPayloadFormatRead::ConfigurePayloadFormatL |
|
1073 // Configure payload decoding parameters. |
|
1074 // ----------------------------------------------------------------------------- |
|
1075 // |
|
1076 void CMsrpPayloadFormatRead::ConfigurePayloadFormatL( |
|
1077 const TDesC8& aConfigParams ) |
|
1078 |
|
1079 { |
|
1080 DP_MSRP_WRITE("CMsrpPayloadFormatRead::ConfigurePayloadFormatL"); |
|
1081 TMccCodecInfoBuffer infoBuffer; |
|
1082 infoBuffer.Copy( aConfigParams ); |
|
1083 TMccCodecInfo cInfo = infoBuffer(); |
|
1084 |
|
1085 if ( cInfo.iIsUpdate && cInfo.iFrameSize == iCodecInfo.iFrameSize ) |
|
1086 { |
|
1087 //__MsrpFORMAT_CONTROLL( "CMsrpPayloadFormatRead::ConfigurePayloadFormatL, nothing to configure" ) |
|
1088 return; |
|
1089 } |
|
1090 |
|
1091 UpdateConfigurationL( aConfigParams ); |
|
1092 |
|
1093 } |
|
1094 |
|
1095 |
|
1096 void CMsrpPayloadFormatRead::UpdateConfigurationL(const TDesC8& aConfigParams) |
|
1097 { |
|
1098 DP_MSRP_WRITE("CMsrpPayloadFormatRead::UpdateConfigurationL"); |
|
1099 TMccCodecInfoBuffer infoBuffer; |
|
1100 infoBuffer.Copy( aConfigParams ); |
|
1101 TMccCodecInfo cInfo = infoBuffer(); |
|
1102 |
|
1103 //TODO: get me right |
|
1104 // iCodecInfo = cInfo; |
|
1105 // iCodecInfo.iRedundancyCount = 0; |
|
1106 iCodecInfo = cInfo; |
|
1107 |
|
1108 //Create buffers respectively |
|
1109 if ( !iFrameBufferOne ) |
|
1110 { |
|
1111 iFrameBufferOne = |
|
1112 CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
1113 iFrameBufferOne->SetStatus( EAvailable ); |
|
1114 } |
|
1115 |
|
1116 if ( !iFrameBufferTwo ) |
|
1117 { |
|
1118 iFrameBufferTwo = |
|
1119 CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
1120 iFrameBufferTwo->SetStatus( EAvailable ); |
|
1121 } |
|
1122 |
|
1123 if ( iPayloadBuffer && iSourceBufOwnership ) |
|
1124 { |
|
1125 delete iPayloadBuffer; |
|
1126 iPayloadBuffer = NULL; |
|
1127 } |
|
1128 |
|
1129 iPayloadBuffer |
|
1130 = CreateClipBufferL( KRedHeaderSize + KDataSize, iSourceBufOwnership ); |
|
1131 |
|
1132 iCurrentBuffer = NULL; |
|
1133 |
|
1134 } |
|
1135 // ----------------------------------------------------------------------------- |
|
1136 // CMsrpPayloadFormatRead::CreateClipBufferL |
|
1137 // Creates buffer needed in data transfer with format readers clip. |
|
1138 // ----------------------------------------------------------------------------- |
|
1139 // |
|
1140 CMMFDataBuffer* CMsrpPayloadFormatRead::CreateClipBufferL( |
|
1141 TUint aSize, TBool& aIsOwnBuffer ) |
|
1142 { |
|
1143 DP_MSRP_WRITE("CMsrpPayloadFormatRead::CreateClipBufferL"); |
|
1144 CMMFDataBuffer* buffer( NULL ); |
|
1145 |
|
1146 if ( iClip->CanCreateSourceBuffer() ) |
|
1147 { |
|
1148 static_cast<CMMFFormatDecode*>( iClip )->SuggestSourceBufferSize( aSize ); |
|
1149 TBool reference( EFalse ); |
|
1150 |
|
1151 //TODO: We have to change media type |
|
1152 CMMFBuffer* sourceBuf |
|
1153 = iClip->CreateSourceBufferL( KUidMediaTypeAudio, reference ); |
|
1154 |
|
1155 TBool isSupportedBuf |
|
1156 = CMMFBuffer::IsSupportedDataBuffer( sourceBuf->Type() ); |
|
1157 |
|
1158 TBool isOwnBuffer = reference ? EFalse : ETrue; |
|
1159 |
|
1160 if ( !isSupportedBuf ) |
|
1161 { |
|
1162 if ( isOwnBuffer ) |
|
1163 { |
|
1164 delete sourceBuf; |
|
1165 } |
|
1166 |
|
1167 User::Leave( KErrNotSupported ); |
|
1168 } |
|
1169 |
|
1170 aIsOwnBuffer = isOwnBuffer; |
|
1171 buffer = static_cast<CMMFDataBuffer*>( sourceBuf ); |
|
1172 |
|
1173 } |
|
1174 else |
|
1175 { |
|
1176 aIsOwnBuffer = ETrue; |
|
1177 buffer = CMMFDataBuffer::NewL( aSize ); |
|
1178 } |
|
1179 |
|
1180 |
|
1181 return buffer; |
|
1182 |
|
1183 } |
|
1184 |
|
1185 // ========================== HELPER FUNCTIONS ========================= |
|
1186 // ========================== ========================= |
|
1187 // ========================== ========================= |
|
1188 |
|
1189 |
|
1190 // ----------------------------------------------------------------------------- |
|
1191 // CMsrpPayloadFormatRead::Read32 |
|
1192 // Helper method that reads 32-bit unsigned integer from databuffer |
|
1193 // ----------------------------------------------------------------------------- |
|
1194 // |
|
1195 TUint32 CMsrpPayloadFormatRead::Read32( const TUint8* const aPointer ) |
|
1196 { |
|
1197 DP_MSRP_WRITE("CMsrpPayloadFormatRead::Read32"); |
|
1198 return ( aPointer[3] + |
|
1199 ( static_cast<TUint32>( aPointer[2] ) << 8 ) + |
|
1200 ( static_cast<TUint32>( aPointer[1] ) << 16 ) + |
|
1201 ( static_cast<TUint32>( aPointer[0] ) << 24 ) ); |
|
1202 } |
|
1203 |
|
1204 // ----------------------------------------------------------------------------- |
|
1205 // CMsrpPayloadFormatRead::Read8 |
|
1206 // Helper method that reads 8-bit unsigned integer from databuffer |
|
1207 // ----------------------------------------------------------------------------- |
|
1208 TUint32 CMsrpPayloadFormatRead::Read8( const TUint8 *const aPointer ) |
|
1209 { |
|
1210 DP_MSRP_WRITE("CMsrpPayloadFormatRead::Read8"); |
|
1211 |
|
1212 return static_cast<TUint32> ( aPointer[0] ); |
|
1213 } |
|
1214 |
|
1215 // ----------------------------------------------------------------------------- |
|
1216 // CMsrpPayloadFormatRead::Read24 |
|
1217 // Helper method that reads 24-bit unsigned integer from databuffer |
|
1218 // ----------------------------------------------------------------------------- |
|
1219 TUint32 CMsrpPayloadFormatRead::Read24( const TUint8 *const aPointer ) |
|
1220 { |
|
1221 DP_MSRP_WRITE("CMsrpPayloadFormatRead::Read24"); |
|
1222 |
|
1223 return ( aPointer[2] + ( static_cast<TUint32>( aPointer[1] ) << 8 ) + |
|
1224 ( static_cast<TUint32>( aPointer[0] ) << 16 ) ); |
|
1225 } |
|
1226 |
|
1227 |
|
1228 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
|
1229 |
|
1230 // End of File |