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1 /* |
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2 * Copyright (c) 2005-2006 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: Implements format encode interface for redundancy plugin. |
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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 |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 #include "rtpheader.h" |
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24 #include "mccredpayloadwrite.h" |
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25 #include "mccredencoder.h" |
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26 #include "mccrtpdatasink.h" |
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27 #include "mccredpayloadformatdefs.h" |
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28 #include "mccdef.h" |
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29 #include "mccinternaldef.h" |
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30 #include "mccrtpmediaclock.h" |
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31 |
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32 // ============================= LOCAL FUNCTIONS =============================== |
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33 |
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34 // ============================ MEMBER FUNCTIONS =============================== |
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35 |
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36 // ----------------------------------------------------------------------------- |
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37 // CMccRedPayloadWrite::CMccRedPayloadWrite |
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38 // C++ default constructor can NOT contain any code, that |
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39 // might leave. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CMccRedPayloadWrite::CMccRedPayloadWrite() |
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43 { |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CMccRedPayloadWrite::ConstructL |
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48 // Symbian 2nd phase constructor can leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 void CMccRedPayloadWrite::ConstructL( MDataSink* aSink ) |
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52 { |
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53 DP_RED_ENCODE( "CMccRedPayloadWrite::ConstructL" ) |
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54 __ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
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55 |
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56 iClip = aSink; |
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57 iRedEncoder = CMccRedEncoder::NewL(); |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CMccRedPayloadWrite::NewL |
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62 // Two-phased constructor. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 CMccRedPayloadWrite* CMccRedPayloadWrite::NewL( MDataSink* aSink ) |
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66 { |
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67 DP_RED_ENCODE( "CMccRedPayloadWrite::NewL" ) |
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68 __ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
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69 __ASSERT_ALWAYS( KMccRtpSinkUid == aSink->DataSinkType(), |
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70 User::Leave( KErrNotSupported ) ); |
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71 |
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72 CMccRedPayloadWrite* self = new( ELeave ) CMccRedPayloadWrite; |
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73 |
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74 CleanupStack::PushL( self ); |
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75 self->ConstructL( aSink ); |
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76 CleanupStack::Pop( self ); |
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77 |
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78 return self; |
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79 } |
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80 |
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81 |
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82 // Destructor |
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83 CMccRedPayloadWrite::~CMccRedPayloadWrite() |
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84 { |
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85 DP_RED_ENCODE( "CMccRedPayloadWrite::~CMccRedPayloadWrite" ) |
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86 |
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87 delete iRedEncoder; |
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88 delete iSinkBuffer; |
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89 iDataSource = NULL; |
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90 iBufToEmptyPtr = NULL; |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // CMccRedPayloadRead::ConfigurePayloadFormatL |
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95 // Configure payload encoding parameters. |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 void CMccRedPayloadWrite::ConfigurePayloadFormatL( const TDesC8& aConfigParams, |
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99 CMccRtpMediaClock& /*aClock*/ ) |
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100 { |
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101 DP_RED_ENCODE( "CMccRedPayloadWrite::ConfigurePayloadFormatL" ) |
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102 __ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccRedPayloadWriteConfig ), |
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103 User::Leave( KErrArgument ) ); |
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104 |
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105 TMccRedPayloadWritePckg cPckg; |
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106 cPckg.Copy( aConfigParams ); |
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107 iPLConfig = cPckg(); |
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108 |
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109 __ASSERT_ALWAYS( iPLConfig.iRedBlockCount <= KMaxRedCount, |
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110 User::Leave( KErrArgument ) ); |
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111 |
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112 if ( iSinkBuffer ) |
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113 { |
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114 delete iSinkBuffer; |
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115 iSinkBuffer = NULL; |
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116 } |
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117 |
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118 // Extra variables for clarity |
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119 TInt redPayloadSize |
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120 = iPLConfig.iMaxPayloadSize * ( 1 + iPLConfig.iRedBlockCount ); |
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121 TInt redHeadersSize |
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122 = iPLConfig.iRedBlockCount * KRedHeaderSize + KFinalHeaderSize; |
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123 iSinkBuffer = CMMFDataBuffer::NewL( redPayloadSize + redHeadersSize ); |
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124 |
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125 iRedEncoder->InitializeL( iPLConfig.iRedBlockCount, |
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126 iPLConfig.iMaxPayloadSize, |
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127 iPLConfig.iNumOfEncodings ); |
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128 |
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129 RArray<TUint> encPTs; |
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130 CleanupClosePushL( encPTs ); |
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131 |
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132 TInt maxNumOfEncodings = iPLConfig.iEncPayloadTypes.Count(); |
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133 for ( TInt i = 0; i < maxNumOfEncodings; i++ ) |
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134 { |
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135 if ( KPayloadNotDefined != iPLConfig.iEncPayloadTypes[i] ) |
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136 { |
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137 encPTs.AppendL( iPLConfig.iEncPayloadTypes[i] ); |
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138 } |
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139 } |
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140 |
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141 User::LeaveIfError( iRedEncoder->SetPayloadTypes( encPTs ) ); |
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142 CleanupStack::PopAndDestroy( &encPTs ); |
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143 } |
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144 |
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145 // ----------------------------------------------------------------------------- |
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146 // CMccRedPayloadWrite::FrameTimeInterval |
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147 // NOT USED. Pure virtual method implementation from CMMFormatEncode needed. |
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148 // ----------------------------------------------------------------------------- |
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149 // |
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150 TTimeIntervalMicroSeconds CMccRedPayloadWrite::FrameTimeInterval( |
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151 TMediaId /*aMediaType*/ ) const |
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152 { |
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153 DP_RED_ENCODE( "CMccRedPayloadWrite::FrameTimeInterval" ) |
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154 |
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155 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CMccRedPayloadWrite::Duration |
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160 // NOT USED. Pure virtual method implementation from CMMFormatEncode needed. |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 TTimeIntervalMicroSeconds CMccRedPayloadWrite::Duration( |
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164 TMediaId /*aMediaType*/ ) const |
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165 { |
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166 DP_RED_ENCODE( "CMccRedPayloadWrite::Duration" ) |
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167 |
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168 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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169 } |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CMccRedPayloadWrite::CreateSinkBufferL |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 CMMFBuffer* CMccRedPayloadWrite::CreateSinkBufferL( TMediaId /*aMediaId*/, |
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176 TBool& /*aReference*/ ) |
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177 { |
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178 DP_RED_ENCODE( "CMccRedPayloadWrite::CreateSinkBufferL" ) |
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179 User::Leave( KErrNotSupported ); |
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180 return NULL; |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // CMccRedPayloadWrite::DataSinkType |
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185 // |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 TUid CMccRedPayloadWrite::DataSinkType() const |
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189 { |
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190 return TUid::Uid( KImplUidRedPayloadFormatEncode ); |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CMccRedPayloadWrite::SinkDataTypeCode |
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195 // NOT USED. |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TFourCC CMccRedPayloadWrite::SinkDataTypeCode( TMediaId /*aMediaId*/ ) |
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199 { |
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200 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkDataTypeCode" ) |
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201 |
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202 return TFourCC(); |
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203 } |
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204 |
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205 |
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206 // ----------------------------------------------------------------------------- |
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207 // CMccRedPayloadWrite::SetSinkDataTypeCode |
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208 // NOT USED. |
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209 // ----------------------------------------------------------------------------- |
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210 // |
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211 TInt CMccRedPayloadWrite::SetSinkDataTypeCode( TFourCC /*aSinkFourCC*/, |
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212 TMediaId /*aMediaId*/ ) |
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213 { |
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214 DP_RED_ENCODE( "CMccRedPayloadWrite::SetSinkDataTypeCode" ) |
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215 |
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216 return KErrNone; |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CMccRedPayloadWrite::SinkThreadLogon |
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221 // Passes state transition to the data sink of redundancy payload plugin. |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 TInt CMccRedPayloadWrite::SinkThreadLogon( MAsyncEventHandler& aEventHandler ) |
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225 { |
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226 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkThreadLogon" ) |
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227 |
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228 iClip->SinkThreadLogon( aEventHandler ); |
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229 return KErrNone; |
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230 } |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // CMccRedPayloadWrite::SinkThreadLogoff |
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234 // Passes state transition to the data sink of redundancy payload plugin. |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 void CMccRedPayloadWrite::SinkThreadLogoff() |
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238 { |
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239 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkThreadLogoff" ) |
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240 |
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241 iClip->SinkThreadLogoff(); |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CMccRedPayloadWrite::SinkPrimeL |
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246 // Passes state transition to the data sink of redundancy payload plugin. |
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247 // ----------------------------------------------------------------------------- |
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248 // |
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249 void CMccRedPayloadWrite::SinkPrimeL() |
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250 { |
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251 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkPrimeL" ) |
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252 |
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253 iClip->SinkPrimeL(); |
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254 } |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // CMccRedPayloadWrite::SinkPlayL |
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258 // Passes state transition to the data sink of redundancy payload plugin. |
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259 // ----------------------------------------------------------------------------- |
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260 // |
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261 void CMccRedPayloadWrite::SinkPlayL() |
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262 { |
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263 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkPlayL" ) |
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264 |
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265 iClip->SinkPlayL(); |
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266 } |
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267 |
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268 // ----------------------------------------------------------------------------- |
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269 // CMccRedPayloadWrite::SinkPauseL |
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270 // Passes state transition to the data sink of redundancy payload plugin. |
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271 // ----------------------------------------------------------------------------- |
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272 // |
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273 void CMccRedPayloadWrite::SinkPauseL() |
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274 { |
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275 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkPauseL" ) |
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276 |
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277 iClip->SinkPauseL(); |
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278 } |
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279 |
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280 // ----------------------------------------------------------------------------- |
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281 // CMccRedPayloadWrite::SinkStopL |
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282 // Passes state transition to the data sink of redundancy payload plugin. |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 void CMccRedPayloadWrite::SinkStopL() |
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286 { |
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287 DP_RED_ENCODE( "CMccRedPayloadWrite::SinkStopL" ) |
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288 |
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289 iClip->SinkStopL(); |
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290 } |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // CMccRedPayloadWrite::EmptyBufferL |
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294 // NOT USED. |
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295 // Overloaded emptybuffer with additional RTP header parameter used instead. |
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296 // ----------------------------------------------------------------------------- |
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297 // |
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298 void CMccRedPayloadWrite::EmptyBufferL( CMMFBuffer* /*aBuffer*/, |
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299 MDataSource* /*aSupplier*/, |
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300 TMediaId /*aMediaId*/ ) |
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301 { |
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302 DP_RED_ENCODE( "CMccRedPayloadWrite::EmptyBufferL" ) |
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303 |
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304 User::Leave( KErrNotSupported ); |
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305 } |
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306 |
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307 // ----------------------------------------------------------------------------- |
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308 // CMccRedPayloadWrite::BufferEmptiedL |
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309 // Called by data sink of redundancy payload plugin, when payload is emptied. |
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310 // ----------------------------------------------------------------------------- |
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311 // |
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312 void CMccRedPayloadWrite::BufferEmptiedL( CMMFBuffer* aBuffer ) |
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313 { |
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314 DP_RED_ENCODE( "CMccRedPayloadWrite::BufferEmptiedL" ) |
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315 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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316 __ASSERT_ALWAYS( iBufToEmptyPtr, User::Leave( KErrNotReady ) ); |
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317 |
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318 iDataSource->BufferEmptiedL( iBufToEmptyPtr ); |
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319 } |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // CMccRedPayloadWrite::EmptyBufferL |
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323 // Encodes contents of source buffer with redundancy encoder and forwards |
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324 // result buffer to the data sink of redundancy payload plugin. |
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325 // ----------------------------------------------------------------------------- |
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326 // |
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327 void CMccRedPayloadWrite::EmptyBufferL( CMMFBuffer* aSourceBuffer, |
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328 MDataSource* aSupplier, |
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329 TMediaId aMediaId, |
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330 TRtpSendHeader& aSendHeader ) |
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331 { |
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332 DP_RED_ENCODE( "CMccRedPayloadWrite::EmptyBufferL" ) |
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333 __ASSERT_ALWAYS( aSourceBuffer, User::Leave( KErrArgument ) ); |
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334 __ASSERT_ALWAYS( KUidMmfDataBuffer == aSourceBuffer->Type(), |
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335 User::Leave( KErrNotSupported ) ); |
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336 __ASSERT_ALWAYS( aSupplier, User::Leave( KErrArgument ) ); |
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337 __ASSERT_ALWAYS( KUidMediaTypeAudio == aMediaId.iMediaType, |
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338 User::Leave( KErrNotSupported ) ); |
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339 |
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340 DP_RED_ENCODE( "CMccRedPayloadWrite::EmptyBufferL() - MEDIA TYPE OK" ) |
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341 |
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342 iDataSource = aSupplier; |
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343 iBufToEmptyPtr = static_cast<CMMFDataBuffer*>( aSourceBuffer ); |
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344 |
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345 if ( KComfortNoisePT != aSendHeader.iPayloadType ) |
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346 { |
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347 // Comfort noise packets are forwarded without encoding |
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348 iRedEncoder->SetEncodingBlockL( |
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349 EMccPrimaryEncoding, iBufToEmptyPtr->Data() ); |
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350 iRedEncoder->EncodePayloadL( aSendHeader.iTimestamp ); |
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351 iRedEncoder->GetEncodingBlockL( EMccRTPPayload, iSinkBuffer->Data() ); |
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352 |
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353 DP_RED_ENCODE( "CMccRedPayloadWrite::EmptyBufferL() - Buffer encoded" ) |
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354 aSendHeader.iPayloadType = iPLConfig.iRedPayloadType; |
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355 } |
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356 |
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357 // Deliver the packet |
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358 static_cast<CMccRtpDataSink*>( iClip ) |
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359 ->EmptyBufferL( iSinkBuffer, this, aMediaId, aSendHeader ); |
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360 } |
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361 |
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362 // ----------------------------------------------------------------------------- |
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363 // CMccRedPayloadWrite::SetPayloadTypes |
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364 // Set payload types to accept as encodings. |
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365 // ----------------------------------------------------------------------------- |
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366 // |
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367 TInt CMccRedPayloadWrite::SetPayloadTypes( RArray<TUint>& aPayloadTypes ) |
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368 { |
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369 DP_RED_ENCODE( "CMccRedPayloadWrite::SetPayloadTypes" ) |
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370 |
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371 if ( aPayloadTypes.Count() ) |
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372 { |
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373 iPLConfig.iRedPayloadType = aPayloadTypes[0]; |
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374 aPayloadTypes.Remove( 0 ); |
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375 |
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376 return iRedEncoder->SetPayloadTypes( aPayloadTypes ); |
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377 } |
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378 else |
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379 { |
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380 return KErrArgument; |
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381 } |
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382 } |
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383 |
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384 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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385 |
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386 // End of File |