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1 /* |
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2 * Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Payload format component capable to write RTP payload |
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15 * containing AMR audio. |
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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 <e32base.h> |
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24 #include <mmf/common/mmffourcc.h> |
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25 #include "amrpayloadformatwrite.h" |
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26 #include "amrpayloadencoder.h" |
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27 #include "amrpayloadencoderoa.h" |
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28 #include "amrpayloaddecoder.h" |
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29 #include "amrcommonutil.h" |
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30 #include "mccrtpdatasink.h" |
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31 #include "mccuids.hrh" |
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32 #include "mccdef.h" |
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33 #include "mccinternaldef.h" |
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34 #include "amrpayloadformatter.h" |
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35 #include "mccrtpmediaclock.h" |
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36 #include "mccredpayloadwrite.h" |
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37 |
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38 const TUint KSampleRate8kHz = 8; |
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39 const TUint KSampleRate16kHz = 16; |
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40 const TReal KTimeMultiplier = 0.001; |
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41 |
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42 // MACROS |
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43 |
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44 #define MCC_AUDIO_TIMESTAMP( a ) \ |
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45 TUint32( iFramesPerPacket * a * iChannels * \ |
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46 (iIsNb?KSampleRate8kHz:KSampleRate16kHz) * KTimeMultiplier ) |
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47 |
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48 |
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49 // ============================= LOCAL FUNCTIONS =============================== |
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50 |
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51 // ============================ MEMBER FUNCTIONS =============================== |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CAmrPayloadFormatWrite::CAmrPayloadFormatWrite |
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55 // C++ default constructor can NOT contain any code, that |
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56 // might leave. |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 CAmrPayloadFormatWrite::CAmrPayloadFormatWrite( ) |
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60 : iIsNb( ETrue ), iSamplingRate( KAmrNbSampleRate ), iChannels( 1 ) |
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61 { |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CAmrPayloadFormatWrite::ConstructL |
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66 // Symbian 2nd phase constructor can leave. |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 void CAmrPayloadFormatWrite::ConstructL ( MDataSink* aSink ) |
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70 { |
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71 // Set default values |
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72 iFramesPerPacket = 1; |
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73 iFourCC.Set( TFourCC( ' ','A','M','R' ) ); |
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74 |
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75 // Set data sink |
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76 iIsRtpSink = ( KMccRtpSinkUid == aSink->DataSinkType() ); |
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77 TBool isRedEncoder |
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78 = ( TUid::Uid( KImplUidRedPayloadFormatEncode ) == aSink->DataSinkType() ); |
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79 |
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80 if ( iIsRtpSink ) |
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81 { |
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82 CMccRtpDataSink* tmp = static_cast<CMccRtpDataSink*>( aSink ); |
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83 iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp ); |
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84 } |
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85 else if ( isRedEncoder ) |
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86 { |
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87 CMccRedPayloadWrite* tmp = static_cast<CMccRedPayloadWrite*>( aSink ); |
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88 iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp ); |
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89 iIsRtpSink = ETrue; |
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90 } |
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91 else |
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92 { |
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93 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::ConstructL, not RTP sink" ) |
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94 } |
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95 |
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96 iClip = aSink; |
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97 |
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98 // Set default set of modes |
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99 for ( TInt i = 0; i < KNumberOfNbModes; i++ ) |
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100 { |
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101 iModes.Append( KAmrNbModes[i] ); |
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102 } |
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103 |
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104 // Initialize state machine |
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105 iStateMachine = CFormatEncodeStateMachine::NewL( this ); |
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106 iStateMachine->ChangeState( EEncodeIdle ); |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CAmrPayloadFormatWrite::NewL |
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111 // Two-phased constructor. |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 CAmrPayloadFormatWrite* CAmrPayloadFormatWrite::NewL( MDataSink* aSink ) |
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115 { |
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116 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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117 RDebug::Print( _L("CAmrPayloadFormatWrite::NewL") ); |
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118 #endif |
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119 |
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120 __ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
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121 |
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122 CAmrPayloadFormatWrite* self = new ( ELeave ) CAmrPayloadFormatWrite; |
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123 CleanupStack::PushL( self ); |
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124 self->ConstructL( aSink ); |
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125 CleanupStack::Pop( self ); |
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126 return self; |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CAmrPayloadFormatWrite::~CAmrPayloadFormatWrite |
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131 // Destructor. |
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132 // ----------------------------------------------------------------------------- |
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133 // |
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134 CAmrPayloadFormatWrite::~CAmrPayloadFormatWrite ( ) |
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135 { |
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136 delete iSourceBuffer; |
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137 delete iSinkBuffer; |
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138 delete iStateMachine; |
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139 delete iPayloadEncoder; |
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140 iModes.Close(); |
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141 |
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142 // Media clock is not owned |
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143 if ( iRtpMediaClock ) |
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144 { |
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145 iRtpMediaClock->UnregisterMediaFormat( iKey ); |
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146 } |
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147 } |
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148 |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CAmrPayloadFormatWrite::FrameTimeInterval |
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152 // Return the frame time interval for the given media |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 TTimeIntervalMicroSeconds CAmrPayloadFormatWrite::FrameTimeInterval( |
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156 TMediaId aMediaId ) const |
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157 { |
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158 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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159 { |
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160 TInt hwFrametime = static_cast<TInt>( iCInfo.iHwFrameTime ); |
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161 return TTimeIntervalMicroSeconds( TInt64( hwFrametime ) ); |
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162 } |
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163 else |
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164 { |
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165 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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166 } |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CAmrPayloadFormatWrite::CreateSinkBufferL |
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172 // |
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173 // Create a source buffer for the given media and indicate in aReference if buffer |
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174 // is created. |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 CMMFBuffer* CAmrPayloadFormatWrite::CreateSinkBufferL( TMediaId aMediaId, |
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178 TBool &aReference ) |
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179 { |
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180 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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181 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::CreateSinkBufferL( )" ); |
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182 #endif |
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183 |
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184 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
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185 { |
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186 User::Leave( KErrNotSupported ); |
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187 } |
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188 // the ownership of iSourceBuffer is in CAmrPayloadFormatWrite |
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189 aReference = ETrue; |
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190 return CreateSinkBufferOfSizeL( iCInfo.iFrameSize ); |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CAmrPayloadFormatWrite::SinkDataTypeCode |
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195 // Return the sink data type ( four CC code ) for the given media |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TFourCC CAmrPayloadFormatWrite::SinkDataTypeCode( TMediaId aMediaId ) |
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199 { |
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200 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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201 { |
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202 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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203 AMR_PAYLOAD_FORMAT_WRITE2( |
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204 "CAmrPayloadFormatWrite::SinkDataTypeCode: 0x%x", iFourCC.FourCC() ); |
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205 #endif |
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206 return iFourCC; |
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207 } |
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208 else |
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209 { |
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210 return TFourCC( ); //defaults to 'NULL' fourCC |
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211 } |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CAmrPayloadFormatWrite::SetSinkDataTypeCode |
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216 // Set the sink data type to the given four CC code for the given media |
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217 // ----------------------------------------------------------------------------- |
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218 // |
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219 TInt CAmrPayloadFormatWrite::SetSinkDataTypeCode( TFourCC aSinkFourCC, |
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220 TMediaId aMediaId ) |
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221 { |
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222 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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223 AMR_PAYLOAD_FORMAT_WRITE2( |
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224 "CAmrPayloadFormatWrite::SetSinkDataTypeCode: 0x%x", |
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225 aSinkFourCC.FourCC() ); |
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226 #endif |
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227 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
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228 { |
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229 return KErrNotSupported; |
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230 } |
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231 else if ( aSinkFourCC == KMccFourCCIdAMRNB ) |
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232 { |
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233 iFourCC = aSinkFourCC; |
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234 } |
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235 else if ( aSinkFourCC == KMccFourCCIdAMRWB ) |
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236 { |
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237 iFourCC = aSinkFourCC; |
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238 // Nb modes were set in the construtor. We need to replace them with wb modes. |
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239 iIsNb = EFalse; |
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240 iModes.Reset(); |
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241 for ( TInt i = 0; i < KNumberOfWbModes; i++ ) |
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242 { |
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243 iModes.Append( KAmrWbModes[i] ); |
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244 } |
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245 SetSampleRate( KAmrWbSampleRate ); |
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246 } |
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247 else |
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248 { |
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249 return KErrNotSupported; |
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250 } |
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251 |
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252 return KErrNone; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CAmrPayloadFormatWrite::SinkThreadLogon |
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257 // Passes the logon command to the sink clip |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 TInt CAmrPayloadFormatWrite::SinkThreadLogon( MAsyncEventHandler& aEventHandler ) |
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261 { |
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262 iClip->SinkThreadLogon( aEventHandler ); |
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263 return KErrNone; |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CAmrPayloadFormatWrite::SinkThreadLogoff |
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268 // Log out of the sink thread. |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 void CAmrPayloadFormatWrite::SinkThreadLogoff( ) |
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272 { |
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273 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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274 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::SinkThreadLogoff " ); |
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275 #endif |
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276 |
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277 iClip->SinkThreadLogoff( ); |
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278 } |
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279 |
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280 // ----------------------------------------------------------------------------- |
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281 // CAmrPayloadFormatWrite::ProcessFramesL |
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282 // Packetize the AMR frames received from AMR codec and deliver the packets. |
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283 // The AMR frames are stored in "iSourceBuffer". |
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284 // return value - Current talk spurt finished, ETrue. Otherwise, EFalse. |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 TBool CAmrPayloadFormatWrite::ProcessFramesL() |
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288 { |
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289 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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290 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::ProcessFramesL( ) Begin" ); |
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291 #endif |
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292 |
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293 TBool payloadReady( EFalse ); |
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294 TBool isDone( EFalse ); |
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295 TAmrFrameInfo frameInfo; |
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296 |
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297 CMMFBuffer* buffer = iSourceBuffer; |
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298 TDes8& srcDes = ( static_cast<CMMFDataBuffer*>( buffer )->Data() ); |
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299 TInt readLen = srcDes.Length(); |
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300 TInt byteIndex = 0; |
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301 TInt seekLen = readLen - byteIndex; |
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302 |
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303 const TUint8* seekPtr = srcDes.Ptr() + byteIndex; |
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304 |
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305 while ( seekLen >= CAmrCommonUtility::FrameHeaderSize() ) |
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306 { |
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307 // Scan frame by frame until free format frame or EOB detected. |
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308 TInt length = CAmrCommonUtility::FrameInfo( seekPtr, seekLen, frameInfo, iIsNb ); |
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309 if ( length > 0 && frameInfo.iBitrate > 0 ) // got a frame |
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310 { |
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311 TStreamDecoder decoder; |
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312 decoder.Initialize( seekPtr, 0, 0 ); |
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313 decoder.Decode( 1 ); // Skip first Padding bit |
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314 TInt frameType( decoder.Decode( KNumValue4 ) ); // FT value |
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315 TUint8 qualityInd = TUint8( decoder.Decode( 1 ) );// QualityInd value |
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316 |
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317 // Encode a frame, speech data starts from the second byte in a frame |
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318 TPtr8 dataPtr( const_cast<TUint8*>( seekPtr+1 ), seekLen - 1, seekLen - 1 ); |
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319 |
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320 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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321 RDebug::Print( _L("CAmrPayloadFormatWrite::ProcessFramesL frameType: %d"), frameType ); |
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322 #endif |
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323 |
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324 // frameType 8 (SID) or 15 (NO_DATA) tells us that we can set the |
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325 // CMR to NO_REQUEST, otherwise we can keep the CMR in which ever |
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326 // the frameType is as they map directly to each other. |
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327 // NOTE: There is no clear information on how to set the CMR field |
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328 // regarding SID or NO_DATA frames. So there might be a possibility |
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329 // that we should keep the original CMR also for SID and NO_DATA |
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330 // frames. |
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331 |
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332 // In the old implementation, the iPayloadEncoder used always the |
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333 // same (moderequest for 12.2kbps) but this should be the correct |
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334 // way of things. |
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335 TAmrModeRequest modeReq; |
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336 if ( ( iIsNb && ( frameType == EAmrFrameNoData || frameType == EAmrFrameSid ) ) || |
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337 ( !iIsNb && ( frameType == EAmrWbFrameNoData || frameType == EAmrWbFrameSid ) ) ) |
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338 { |
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339 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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340 RDebug::Print( _L("CAmrPayloadFormatWrite::ProcessFramesL CMR NO_REQ") ); |
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341 #endif |
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342 |
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343 modeReq = EAmrModeReqNone; |
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344 } |
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345 else |
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346 { |
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347 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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348 RDebug::Print( _L("CAmrPayloadFormatWrite::ProcessFramesL CMR: %d"), frameType ); |
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349 #endif |
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350 |
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351 modeReq = static_cast<TAmrModeRequest>( frameType ); |
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352 } |
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353 |
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354 iPayloadEncoder->SetModeRequest( modeReq ); |
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355 payloadReady = iPayloadEncoder->EncodeFrame( TInt( iCurrentChannel ), |
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356 TAmrFrameType( frameType ), qualityInd, dataPtr ); |
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357 |
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358 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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359 AMR_PAYLOAD_FORMAT_WRITE2 ( "CAmrPayloadFormatWrite::ProcessFramesL( ): payloadReady1 = %d ", payloadReady ); |
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360 #endif |
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361 |
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362 // Increase current channel |
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363 iCurrentChannel++; |
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364 if ( iCurrentChannel == iChannels ) |
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365 { |
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366 // All channel frames for a frame block are received |
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367 iCurrentChannel = 0; |
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368 } |
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369 |
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370 seekPtr += length; // update byte positions |
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371 seekLen -= length; // update seek length |
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372 byteIndex += length; |
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373 |
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374 iFramesEncoded++; |
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375 } |
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376 else |
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377 { |
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378 if ( frameInfo.iBitrate < 0 ) |
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379 { |
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380 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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381 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::ProcessFramesL( ): frameInfo.iBitrate < 0 "); |
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382 #endif |
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383 break; |
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384 } |
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385 else |
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386 { |
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387 // No data frame |
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388 TStreamDecoder decoder; |
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389 decoder.Initialize( seekPtr, 0, 0 ); |
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390 decoder.Decode( 1 ); // Skip first Padding bit |
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391 TInt frameType = decoder.Decode( KNumValue4 ); // FT value |
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392 |
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393 if ( frameType != TInt( EAmrFrameNoData ) ) // bad frame |
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394 { |
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395 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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396 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::ProcessFramesL( ): bad frame "); |
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397 #endif |
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398 break; |
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399 } |
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400 |
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401 // QualityIndicator value |
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402 TUint8 qualityInd = TUint8( decoder.Decode( 1 ) ); |
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403 TPtr8 dummy( 0,0,0 ); |
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404 payloadReady = iPayloadEncoder->EncodeFrame( TInt( iCurrentChannel ), |
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405 TAmrFrameType( frameType ), qualityInd, dummy ); |
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406 |
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407 #ifdef TRACE_AMR_PAYLOAD_FORMAT_WRITE |
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408 AMR_PAYLOAD_FORMAT_WRITE2 ( "CAmrPayloadFormatWrite::ProcessFramesL( ): payloadReady2 = %d ", payloadReady); |
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409 #endif |
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410 // Increase current channel |
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411 iCurrentChannel++; |
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412 if ( iCurrentChannel == iChannels ) |
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413 { |
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414 // All channel frames for a frame block are received |
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415 iCurrentChannel = 0; |
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416 } |
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417 |
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418 seekPtr++; |
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419 seekLen--; |
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420 byteIndex++; |
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421 |
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422 iFramesEncoded++; |
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423 } |
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424 } |
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425 |
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426 if ( payloadReady ) |
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427 { |
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428 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::ProcessFramesL: iSinkBuffer1 = %X ", iSinkBuffer ); |
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429 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::ProcessFramesL: iSourceBuffer = %X ", iSourceBuffer ); |
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430 |
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431 if ( !iSinkBuffer ) |
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432 { |
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433 return EFalse; |
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434 } |
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435 |
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436 // Payload has been constructed; deliver it to RTP datasink |
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437 // Update length info of payload buffer. |
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438 if ( seekLen < CAmrCommonUtility::FrameHeaderSize( ) |
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439 && ( iSourceBuffer->LastBuffer( ) || iNeedToFlush ) ) |
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440 { |
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441 // No more AMR frames |
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442 iSinkBuffer->SetLastBuffer( ETrue ); |
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443 isDone = ETrue; |
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444 } |
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445 |
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446 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data( ); |
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447 TDesC8& payloadDes = iPayloadEncoder->PayloadBuffer( ); |
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448 dataDes.SetLength( payloadDes.Length( ) ); |
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449 DeliverPacketL( *iSinkBuffer ); |
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450 } |
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451 } |
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452 |
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453 // If this is the last buffer, |
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454 // Set from datapath or by AmrPayloadFormatWrite itself |
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455 if ( iSourceBuffer->LastBuffer( ) || iNeedToFlush ) |
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456 { |
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457 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::ProcessFramesL: iSinkBuffer2 = %X ", iSinkBuffer ); |
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458 |
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459 isDone = ETrue; |
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460 if ( iPayloadEncoder->ReEncodeFrameL( ) ) |
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461 { |
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462 // added for last buffer |
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463 // length can not be zero. |
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464 if ( !iSinkBuffer ) |
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465 { |
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466 return EFalse; |
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467 } |
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468 |
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469 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data( ); |
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470 TDesC8& payloadDes = iPayloadEncoder->PayloadBuffer( ); |
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471 dataDes.SetLength( payloadDes.Length( ) ); |
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472 iSinkBuffer->SetLastBuffer( ETrue ); |
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473 DeliverPacketL( *iSinkBuffer ); |
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474 } |
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475 } |
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476 |
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477 return isDone; |
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478 } |
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479 |
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480 // ----------------------------------------------------------------------------- |
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481 // CAmrPayloadFormatWrite::DeliverPacketL |
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482 // |
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483 // Prepare packet header and deliver the packet to the datasink. |
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484 // ----------------------------------------------------------------------------- |
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485 // |
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486 void CAmrPayloadFormatWrite::DeliverPacketL( CMMFDataBuffer& aPayload ) |
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487 { |
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488 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::DeliverPacketL - TSTAMP: %u", |
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489 static_cast<TUint32>( aPayload.TimeToPlay().Int64() ) ); |
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490 |
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491 // Construct RTP header. |
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492 if ( !iFirstPacketFinished ) |
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493 { |
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494 iRtpSendHeader.iMarker = 1; |
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495 iFirstPacketFinished = ETrue; |
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496 } |
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497 else |
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498 { |
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499 iRtpSendHeader.iMarker = 0; |
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500 } |
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501 |
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502 iRtpSendHeader.iPayloadType = iCInfo.iPayloadType; |
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503 iRtpSendHeader.iTimestamp |
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504 = static_cast<TUint32>( aPayload.TimeToPlay().Int64() ); |
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505 |
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506 if ( aPayload.BufferSize() ) |
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507 { |
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508 if ( iIsRtpSink ) |
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509 { |
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510 iRtpDataSink->EmptyBufferL( &aPayload, this, iMediaId, iRtpSendHeader ); |
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511 } |
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512 else |
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513 { |
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514 aPayload.SetLastBuffer( iRtpSendHeader.iMarker ); |
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515 iClip->EmptyBufferL( &aPayload, this, iMediaId ); |
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516 } |
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517 } |
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518 |
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519 // Reset the payload buffer as previous EmptyBufferL() is a synchronous call. |
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520 aPayload.Data().Zero(); |
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521 iPayloadEncoder->ResetPayloadBuffer(); |
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522 } |
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523 |
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524 |
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525 // ----------------------------------------------------------------------------- |
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526 // CAmrPayloadFormatWrite::EmptyBufferL |
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527 // Empty the given source buffer by formatting the AMR frames into RTP payload. |
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528 // ----------------------------------------------------------------------------- |
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529 // |
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530 void CAmrPayloadFormatWrite::EmptyBufferL( CMMFBuffer* aBuffer, |
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531 MDataSource* aSupplier, |
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532 TMediaId aMediaId ) |
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533 { |
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534 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::EmptyBufferL aBuffer = 0x%x", aBuffer ); |
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535 |
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536 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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537 __ASSERT_ALWAYS( aBuffer == iSourceBuffer, User::Leave( KErrArgument ) ); |
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538 __ASSERT_ALWAYS( aSupplier, User::Leave( KErrArgument ) ); |
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539 __ASSERT_ALWAYS( KUidMediaTypeAudio == aMediaId.iMediaType, |
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540 User::Leave( KErrNotSupported ) ); |
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541 |
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542 // Save source buffer parameters and change the state. |
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543 iDataPath = aSupplier; |
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544 iMediaId = aMediaId; |
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545 iSourceBuffer = static_cast<CMMFDataBuffer*>( aBuffer ); |
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546 |
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547 TUint32 ts = 0; |
|
548 if ( iCInfo.iSourceDefinedTimeStamps ) |
|
549 { |
|
550 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::EmptyBufferL source has defined timestamp" ); |
|
551 |
|
552 ts = MCC_AUDIO_TIMESTAMP( iSourceBuffer->TimeToPlay().Int64() ); |
|
553 iSinkBuffer->SetTimeToPlay( TInt64( ts ) ); |
|
554 iSinkBuffer->SetFrameNumber( aBuffer->FrameNumber() ); |
|
555 } |
|
556 else if ( iPayloadEncoder->IsStartOfPeriod() ) |
|
557 { |
|
558 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::EmptyBufferL SetTimeToPlay" ); |
|
559 |
|
560 User::LeaveIfError( iRtpMediaClock->GetTimeStamp( iKey, ts ) ); |
|
561 |
|
562 if ( iRtpMediaClock->TimeBasedIncrement() ) |
|
563 { |
|
564 iFirstPacketFinished = EFalse; |
|
565 } |
|
566 |
|
567 iSinkBuffer->SetTimeToPlay( TInt64( ts ) ); |
|
568 iSinkBuffer->SetFrameNumber( aBuffer->FrameNumber() ); |
|
569 } |
|
570 else if( !iCInfo.iSourceDefinedTimeStamps && |
|
571 !iPayloadEncoder->IsStartOfPeriod() ) |
|
572 { |
|
573 User::LeaveIfError( iRtpMediaClock->GetTimeStamp( iKey, ts ) ); |
|
574 |
|
575 if ( iRtpMediaClock->TimeBasedIncrement() ) |
|
576 { |
|
577 iFirstPacketFinished = EFalse; |
|
578 } |
|
579 |
|
580 } |
|
581 else |
|
582 { |
|
583 // nop |
|
584 } |
|
585 |
|
586 iStateMachine->ChangeState( EEmptySourceBuffer ); |
|
587 } |
|
588 |
|
589 // ----------------------------------------------------------------------------- |
|
590 // CAmrPayloadFormatWrite::EmptySourceBufferL |
|
591 // Empty the given source buffer by formatting the AMR frames into RTP payload. |
|
592 // Source buffer is given in "iSourceBuffer". |
|
593 // Called by the state machine. |
|
594 // ----------------------------------------------------------------------------- |
|
595 // |
|
596 void CAmrPayloadFormatWrite::EmptySourceBufferL( ) |
|
597 { |
|
598 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::EmptySourceBufferL SRCBUFLEN:%d", iSourceBuffer->Data().Length() ); |
|
599 |
|
600 if ( ProcessFramesL() ) |
|
601 { |
|
602 // Current talk spurt is finished. Either last buffer or iNeedToFlush |
|
603 iStateMachine->ChangeState( EEncodeIdle ); |
|
604 iClip->SinkStopL(); |
|
605 } |
|
606 else |
|
607 { |
|
608 // Just one step in a talk spurt |
|
609 iStateMachine->ChangeState( ESourceBufferEmptied ); |
|
610 } |
|
611 } |
|
612 |
|
613 // ----------------------------------------------------------------------------- |
|
614 // CAmrPayloadFormatWrite::SourceBufferEmptiedL |
|
615 // |
|
616 // Hanlde the event that source buffer has been emptied. |
|
617 // Source buffer is given in "iSourceBuffer". |
|
618 // Called by the state machine. |
|
619 // ----------------------------------------------------------------------------- |
|
620 // |
|
621 void CAmrPayloadFormatWrite::SourceBufferEmptiedL() |
|
622 { |
|
623 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::SourceBufferEmptiedL" ); |
|
624 |
|
625 iDataPath->BufferEmptiedL( iSourceBuffer ); |
|
626 } |
|
627 |
|
628 |
|
629 // ----------------------------------------------------------------------------- |
|
630 // CAmrPayloadFormatWrite::BufferEmptiedL |
|
631 // Called after payload buffer is completely emptied by RtpDataSink. |
|
632 // ----------------------------------------------------------------------------- |
|
633 // |
|
634 void CAmrPayloadFormatWrite::BufferEmptiedL( CMMFBuffer* /*aBuffer*/ ) |
|
635 { |
|
636 /* |
|
637 * We're using synchronous EmptyBufferL( aBuffer ) function call to RTP Sink. |
|
638 * The aBuffer is ready to be used again when the EmptyBufferL returns back. |
|
639 * So BufferEmptiedL( aBuffer ) is not really used. |
|
640 */ |
|
641 } |
|
642 |
|
643 |
|
644 // ----------------------------------------------------------------------------- |
|
645 // CAmrPayloadFormatWrite::NumChannels |
|
646 // Get the number of channels |
|
647 // ----------------------------------------------------------------------------- |
|
648 // |
|
649 TUint CAmrPayloadFormatWrite::NumChannels( ) |
|
650 { |
|
651 return KMono; |
|
652 } |
|
653 |
|
654 // ----------------------------------------------------------------------------- |
|
655 // CAmrPayloadFormatWrite::SampleRate |
|
656 // Returns the samplerate |
|
657 // ----------------------------------------------------------------------------- |
|
658 // |
|
659 TUint CAmrPayloadFormatWrite::SampleRate( ) |
|
660 { |
|
661 return iSamplingRate; |
|
662 } |
|
663 |
|
664 // ----------------------------------------------------------------------------- |
|
665 // CAmrPayloadFormatWrite::SetSampleRate |
|
666 // Sets the sample rate, AMR-NB is always 8000Hz |
|
667 // ----------------------------------------------------------------------------- |
|
668 // |
|
669 TInt CAmrPayloadFormatWrite::SetSampleRate ( TUint aSampleRate ) |
|
670 { |
|
671 if( (iIsNb && KAmrNbSampleRate != aSampleRate) || |
|
672 (!iIsNb && KAmrWbSampleRate != aSampleRate) ) |
|
673 { |
|
674 return KErrNotSupported; |
|
675 } |
|
676 else |
|
677 { |
|
678 iSamplingRate = aSampleRate; |
|
679 return KErrNone; |
|
680 } |
|
681 } |
|
682 |
|
683 // ----------------------------------------------------------------------------- |
|
684 // CAmrPayloadFormatWrite::Duration |
|
685 // Return the clip duration for the given media. |
|
686 // ----------------------------------------------------------------------------- |
|
687 // |
|
688 TTimeIntervalMicroSeconds CAmrPayloadFormatWrite::Duration( |
|
689 TMediaId /*aMediaType*/ ) const |
|
690 { |
|
691 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
|
692 } |
|
693 |
|
694 |
|
695 // ----------------------------------------------------------------------------- |
|
696 // CAmrPayloadFormatWrite::CreateSinkBufferOfSizeL |
|
697 // Create a sink buffer of the given size. |
|
698 // ----------------------------------------------------------------------------- |
|
699 // |
|
700 CMMFDataBuffer* CAmrPayloadFormatWrite::CreateSinkBufferOfSizeL( TUint aSize ) |
|
701 { |
|
702 AMR_PAYLOAD_FORMAT_WRITE ( "CAmrPayloadFormatWrite::CreateSinkBufferOfSizeL" ); |
|
703 |
|
704 if ( !iSourceBuffer ) |
|
705 { |
|
706 iSourceBuffer = CMMFDataBuffer::NewL( aSize ); |
|
707 iSourceBuffer->Data().FillZ( aSize ); |
|
708 iSourceBuffer->SetRequestSizeL( aSize ); |
|
709 } |
|
710 return iSourceBuffer; |
|
711 } |
|
712 |
|
713 |
|
714 // ----------------------------------------------------------------------------- |
|
715 // CAmrPayloadFormatWrite::IsBitrateChangeValid |
|
716 // Checks if codec mode change request is valid. |
|
717 // ----------------------------------------------------------------------------- |
|
718 // |
|
719 TBool CAmrPayloadFormatWrite::IsBitrateChangeValid( TInt aBitRate ) |
|
720 { |
|
721 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::IsBitrateChangeValid" ); |
|
722 |
|
723 TInt currentModeIndex = iModes.Find( iCInfo.iBitrate ); |
|
724 TInt desiredModeIndex = iModes.Find( aBitRate ); |
|
725 |
|
726 TBool modechangeperiodvalid( EFalse ); |
|
727 |
|
728 if ( iFirstCmrHandled ) |
|
729 { |
|
730 modechangeperiodvalid = !TBool( iFramesEncoded % iCInfo.iModeChangePeriod ); |
|
731 } |
|
732 else |
|
733 { |
|
734 // Initialize counter |
|
735 iFramesEncoded = 0; |
|
736 } |
|
737 |
|
738 if ( KErrNotFound == currentModeIndex ) |
|
739 { |
|
740 if ( ( modechangeperiodvalid || !iFirstCmrHandled ) && |
|
741 ( KErrNotFound != desiredModeIndex ) ) |
|
742 { |
|
743 iCInfo.iBitrate = aBitRate; |
|
744 iFirstCmrHandled = ETrue; |
|
745 return ETrue; |
|
746 } |
|
747 else |
|
748 { |
|
749 return EFalse; |
|
750 } |
|
751 } |
|
752 |
|
753 if ( ( modechangeperiodvalid || !iFirstCmrHandled ) && ( ( ( iCInfo.iNeighbor ) && |
|
754 ( desiredModeIndex == currentModeIndex + 1 ) || |
|
755 ( desiredModeIndex == currentModeIndex - 1 && currentModeIndex != 0 ) ) || |
|
756 ( !iCInfo.iNeighbor && KErrNotFound != desiredModeIndex ) ) ) |
|
757 { |
|
758 iCInfo.iBitrate = aBitRate; |
|
759 iFirstCmrHandled = ETrue; |
|
760 return ETrue; |
|
761 } |
|
762 else |
|
763 { |
|
764 return EFalse; |
|
765 } |
|
766 } |
|
767 |
|
768 |
|
769 // ----------------------------------------------------------------------------- |
|
770 // CAmrPayloadFormatWrite::CancelUlRequest |
|
771 // Cancel UL Request |
|
772 // ----------------------------------------------------------------------------- |
|
773 // |
|
774 void CAmrPayloadFormatWrite::CancelUlRequest( ) |
|
775 { |
|
776 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::CancelUlRequest" ); |
|
777 |
|
778 iStateMachine->Cancel(); |
|
779 iStateMachine->ChangeState( EEncodeIdle ); |
|
780 |
|
781 // Reset the payload buffer |
|
782 if ( iSinkBuffer ) |
|
783 { |
|
784 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data(); |
|
785 dataDes.SetLength( 0 ); |
|
786 // Reset iFrameEncoder |
|
787 iPayloadEncoder->InitializeFrameEncoder(); |
|
788 iPayloadEncoder->ResetPayloadBuffer(); |
|
789 } |
|
790 }; |
|
791 |
|
792 // ----------------------------------------------------------------------------- |
|
793 // CAmrPayloadFormatWrite::SinkPrimeL() |
|
794 // Primes sink |
|
795 // ----------------------------------------------------------------------------- |
|
796 // |
|
797 void CAmrPayloadFormatWrite::SinkPrimeL() |
|
798 { |
|
799 iClip->SinkPrimeL(); |
|
800 }; |
|
801 |
|
802 // ----------------------------------------------------------------------------- |
|
803 // CAmrPayloadFormatWrite::SinkPlayL() |
|
804 // Plays sink |
|
805 // ----------------------------------------------------------------------------- |
|
806 // |
|
807 void CAmrPayloadFormatWrite::SinkPlayL() |
|
808 { |
|
809 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::SinkPlayL RedCount: %d", iCInfo.iRedundancyCount ); |
|
810 |
|
811 // Allocate buffer for data transfer between |
|
812 // FormatWrite - MDataSink AND FormatWrite - redundancy payload encoder |
|
813 delete iSinkBuffer; |
|
814 iSinkBuffer = NULL; |
|
815 iSinkBuffer = CMMFDataBuffer::NewL( iCInfo.iFrameSize * iFramesPerPacket |
|
816 * ( 1 + iCInfo.iRedundancyCount ) + KNumValue2 ); |
|
817 |
|
818 // Initialize payload encoder |
|
819 iPayloadEncoder->Initialize(); |
|
820 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data( ); |
|
821 dataDes.SetLength( 0 ); // for first packet length |
|
822 iPayloadEncoder->SetPayloadBuffer( dataDes ); |
|
823 iPayloadEncoder->SetChannelCount( iChannels ); |
|
824 |
|
825 // Reset flag |
|
826 iNeedToFlush = EFalse; |
|
827 |
|
828 // Start state machine |
|
829 iStateMachine->ChangeState( EEncodeIdle ); |
|
830 iFirstPacketFinished = EFalse; |
|
831 |
|
832 if ( iSinkBuffer ) |
|
833 { |
|
834 iSinkBuffer->SetLastBuffer( EFalse ); |
|
835 } |
|
836 |
|
837 iClip->SinkPlayL(); |
|
838 }; |
|
839 |
|
840 // ----------------------------------------------------------------------------- |
|
841 // CAmrPayloadFormatWrite::SinkPauseL() |
|
842 // Pauses sink |
|
843 // ----------------------------------------------------------------------------- |
|
844 // |
|
845 void CAmrPayloadFormatWrite::SinkPauseL() |
|
846 { |
|
847 this->CancelUlRequest(); |
|
848 iClip->SinkPauseL(); |
|
849 }; |
|
850 |
|
851 // ----------------------------------------------------------------------------- |
|
852 // CAmrPayloadFormatWrite::SinkStopL() |
|
853 // Stops sink |
|
854 // ----------------------------------------------------------------------------- |
|
855 // |
|
856 void CAmrPayloadFormatWrite::SinkStopL() |
|
857 { |
|
858 if ( EEmptySourceBuffer == iStateMachine->CurrentState() ) |
|
859 { |
|
860 iNeedToFlush = ETrue; |
|
861 return; |
|
862 } |
|
863 |
|
864 if ( ESourceBufferEmptied == iStateMachine->CurrentState() ) |
|
865 { |
|
866 // Finished emptying current buffer to RTP |
|
867 // check whether there is internal buffer left |
|
868 if ( iPayloadEncoder->ReEncodeFrameL() ) |
|
869 { |
|
870 // length can not be zero. |
|
871 if ( !iSinkBuffer ) |
|
872 { |
|
873 return; |
|
874 } |
|
875 |
|
876 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data(); |
|
877 TDesC8& payloadDes = iPayloadEncoder->PayloadBuffer(); |
|
878 dataDes.SetLength( payloadDes.Length() ); |
|
879 iSinkBuffer->SetLastBuffer( ETrue ); |
|
880 |
|
881 this->DeliverPacketL( *iSinkBuffer ); |
|
882 |
|
883 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::StopUlStream ReEncodeFrame done" ); |
|
884 } |
|
885 } |
|
886 |
|
887 // Stop state machine |
|
888 this->CancelUlRequest(); |
|
889 iClip->SinkStopL(); |
|
890 }; |
|
891 |
|
892 // ----------------------------------------------------------------------------- |
|
893 // CAmrPayloadFormatWrite::ConfigurePayloadFormatL |
|
894 // Configure payload encoding parameters. |
|
895 // ----------------------------------------------------------------------------- |
|
896 // |
|
897 void CAmrPayloadFormatWrite::ConfigurePayloadFormatL( |
|
898 const TDesC8& aConfigParams, |
|
899 CMccRtpMediaClock& aClock ) |
|
900 { |
|
901 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::ConfigurePayloadFormatL (NB/WB)" ) |
|
902 __ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
903 User::Leave( KErrArgument ) ); |
|
904 |
|
905 TMccCodecInfoBuffer infoBuffer; |
|
906 infoBuffer.Copy( aConfigParams ); |
|
907 |
|
908 if ( !infoBuffer().iIsUpdate ) |
|
909 { |
|
910 __ASSERT_ALWAYS( infoBuffer().iHwFrameTime, User::Leave( KErrArgument ) ); |
|
911 __ASSERT_ALWAYS( infoBuffer().iModeChangePeriod, User::Leave( KErrArgument ) ); |
|
912 |
|
913 iCInfo = infoBuffer(); |
|
914 iRtpMediaClock = &aClock; |
|
915 |
|
916 TUint tempMask(0x0001); |
|
917 // Reset old iModes array if new modes exist |
|
918 if ( iCInfo.iBitrateMask != 0x0000 ) |
|
919 { |
|
920 iModes.Reset(); |
|
921 } |
|
922 |
|
923 if ( iIsNb ) |
|
924 { |
|
925 iKey = iRtpMediaClock->RegisterMediaFormat( KAmrNbSampleRate, |
|
926 iCInfo.iHwFrameTime ); |
|
927 |
|
928 for ( TInt ii = KNumValue0; ii < KNumberOfNbModes; ii++ ) |
|
929 { |
|
930 if( iCInfo.iBitrateMask & tempMask ) |
|
931 { |
|
932 iModes.AppendL( KAmrNbModes[ii] ); |
|
933 } |
|
934 tempMask*=2; |
|
935 } |
|
936 } |
|
937 else // Wb |
|
938 { |
|
939 iKey = iRtpMediaClock->RegisterMediaFormat( KAmrWbSampleRate, |
|
940 iCInfo.iHwFrameTime ); |
|
941 |
|
942 for ( TInt ii = 0; ii < KNumberOfWbModes; ii++ ) |
|
943 { |
|
944 if( iCInfo.iBitrateMask & tempMask ) |
|
945 { |
|
946 iModes.AppendL( KAmrWbModes[ii] ); |
|
947 } |
|
948 tempMask*=2; |
|
949 } |
|
950 } |
|
951 |
|
952 if ( !iPayloadEncoder ) |
|
953 { |
|
954 if( KAmrCodecModeBandwidthEfficient == iCInfo.iCodecMode ) |
|
955 { |
|
956 iPayloadEncoder = CAmrPayloadEncoder::NewL( iIsNb ); |
|
957 } |
|
958 else if( KAmrCodecModeOctetAlign == iCInfo.iCodecMode ) |
|
959 { |
|
960 iPayloadEncoder = CAmrPayloadEncoderOA::NewL( iIsNb ); |
|
961 } |
|
962 else |
|
963 { |
|
964 User::Leave( KErrArgument ); |
|
965 } |
|
966 } |
|
967 |
|
968 iFramesPerPacket = iCInfo.iPtime / iCInfo.iHwFrameTime; |
|
969 iPayloadEncoder->SetFrameBlockCount( iFramesPerPacket ); |
|
970 |
|
971 if ( EAmrFecUsed == iCInfo.iAlgoUsed && iCInfo.iRedundancyCount > 0 ) |
|
972 { |
|
973 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::ConfigurePayloadFormatL - Using AMR FEC" ); |
|
974 iPayloadEncoder->Initialize(); |
|
975 User::LeaveIfError( iPayloadEncoder |
|
976 ->SetRedFrameBlockCount( iCInfo.iRedundancyCount ) ); |
|
977 } |
|
978 else if ( EGenRedUsed == iCInfo.iAlgoUsed ) |
|
979 { |
|
980 AMR_PAYLOAD_FORMAT_WRITE2( "CAmrPayloadFormatWrite::ConfigurePayloadFormatL, RED LEVEL: %d", |
|
981 iCInfo.iRedundancyCount ); |
|
982 |
|
983 CPayloadFormatWrite* redEncoder |
|
984 = static_cast<CMccRedPayloadWrite*>( iClip ); |
|
985 |
|
986 TMccRedPayloadWriteConfig config; |
|
987 config.iRedBlockCount = iCInfo.iRedundancyCount; |
|
988 config.iMaxPayloadSize = iCInfo.iFrameSize * iFramesPerPacket; |
|
989 config.iNumOfEncodings = 1; |
|
990 config.iRedPayloadType = iCInfo.iRedundantPayload; |
|
991 config.InitPayloadTypes(); |
|
992 config.iEncPayloadTypes[0] = iCInfo.iPayloadType; |
|
993 TMccRedPayloadWritePckg pckg( config ); |
|
994 redEncoder->ConfigurePayloadFormatL( pckg, *iRtpMediaClock ); |
|
995 } |
|
996 else |
|
997 { |
|
998 // NOP |
|
999 } |
|
1000 } |
|
1001 else |
|
1002 { |
|
1003 UpdateConfigurationL( infoBuffer() ); |
|
1004 } |
|
1005 |
|
1006 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::ConfigurePayloadFormatL OUT" ); |
|
1007 } |
|
1008 |
|
1009 |
|
1010 // ----------------------------------------------------------------------------- |
|
1011 // CAmrPayloadFormatWrite::UpdateConfigurationL |
|
1012 // Update payload encoding parameters |
|
1013 // ----------------------------------------------------------------------------- |
|
1014 // |
|
1015 void CAmrPayloadFormatWrite::UpdateConfigurationL( const TMccCodecInfo& aCodecInfo ) |
|
1016 { |
|
1017 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::UpdateConfigurationL" ) |
|
1018 |
|
1019 __ASSERT_ALWAYS( aCodecInfo.iModeChangePeriod, User::Leave( KErrArgument ) ); |
|
1020 |
|
1021 iCInfo.iNeighbor = aCodecInfo.iNeighbor; |
|
1022 iCInfo.iModeChangePeriod = aCodecInfo.iModeChangePeriod; |
|
1023 iCInfo.iRedundancyCount = aCodecInfo.iRedundancyCount; |
|
1024 iCInfo.iPtime = aCodecInfo.iPtime; |
|
1025 iCInfo.iSourceDefinedTimeStamps = aCodecInfo.iSourceDefinedTimeStamps; |
|
1026 iCInfo.iPayloadType = aCodecInfo.iPayloadType; |
|
1027 |
|
1028 TUint tempMask(0x0001); |
|
1029 |
|
1030 // Reset old iModes array if new modes exist |
|
1031 if ( iCInfo.iBitrateMask != 0x0000 ) |
|
1032 { |
|
1033 iModes.Reset(); |
|
1034 } |
|
1035 |
|
1036 if ( iIsNb ) |
|
1037 { |
|
1038 for ( TInt ii = 0; ii < KNumberOfNbModes; ii++ ) |
|
1039 { |
|
1040 if( iCInfo.iBitrateMask & tempMask ) |
|
1041 { |
|
1042 iModes.AppendL( KAmrNbModes[ii] ); |
|
1043 } |
|
1044 tempMask*=2; |
|
1045 } |
|
1046 } |
|
1047 else // Wb |
|
1048 { |
|
1049 for ( TInt ii = 0; ii < KNumberOfWbModes; ii++ ) |
|
1050 { |
|
1051 if( iCInfo.iBitrateMask & tempMask ) |
|
1052 { |
|
1053 iModes.AppendL( KAmrWbModes[ii] ); |
|
1054 } |
|
1055 tempMask*=2; |
|
1056 } |
|
1057 } |
|
1058 |
|
1059 iFramesPerPacket = iCInfo.iPtime / iCInfo.iHwFrameTime; |
|
1060 iPayloadEncoder->SetFrameBlockCount( iFramesPerPacket ); |
|
1061 |
|
1062 if ( EAmrFecUsed == iCInfo.iAlgoUsed ) |
|
1063 { |
|
1064 iPayloadEncoder->Initialize(); |
|
1065 User::LeaveIfError( iPayloadEncoder |
|
1066 ->SetRedFrameBlockCount( iCInfo.iRedundancyCount ) ); |
|
1067 } |
|
1068 else |
|
1069 { |
|
1070 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::ConfigurePayloadFormatL - Not using AMR FEC" ); |
|
1071 } |
|
1072 |
|
1073 // Allocate buffer for data transfer between |
|
1074 // FormatWrite - MDataSink AND FormatWrite - redundancy payload encoder |
|
1075 delete iSinkBuffer; |
|
1076 iSinkBuffer = NULL; |
|
1077 iSinkBuffer = CMMFDataBuffer::NewL( iCInfo.iFrameSize * iFramesPerPacket |
|
1078 * ( 1 + iCInfo.iRedundancyCount ) + KNumValue2 ); |
|
1079 |
|
1080 iPayloadEncoder->Initialize(); |
|
1081 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data( ); |
|
1082 dataDes.SetLength( 0 ); // for first packet length |
|
1083 iPayloadEncoder->SetPayloadBuffer( dataDes ); |
|
1084 iPayloadEncoder->SetChannelCount( iChannels ); |
|
1085 |
|
1086 // Reset flag |
|
1087 iNeedToFlush = EFalse; |
|
1088 |
|
1089 AMR_PAYLOAD_FORMAT_WRITE( "CAmrPayloadFormatWrite::UpdateConfigurationL OUT" ) |
|
1090 } |
|
1091 |
|
1092 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
|
1093 |
|
1094 // End of File |