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1 /* |
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2 * Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: PayloadFormat plugin capable to read RTP payload containing |
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15 * 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 "amrpayloadformatread.h" |
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26 #include "amrpayloadencoder.h" |
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27 #include "amrpayloaddecoder.h" |
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28 #include "amrpayloaddecoderoa.h" |
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29 #include "amrpayloadformatutil.h" |
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30 #include "amrcommonutil.h" |
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31 #include "mccrtpdatasource.h" |
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32 #include "mccuids.hrh" |
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33 #include "mccinternaldef.h" |
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34 #include "amrpayloadformatter.h" |
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35 #include "mccredpayloadread.h" |
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36 |
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37 #ifdef VOIP_TRACE_ENABLED |
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38 #include <voip_trace.h> |
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39 #endif |
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40 |
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41 // CONSTANTS |
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42 const TReal KTimeMultiplier = 0.001; |
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43 |
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44 // ============================= LOCAL FUNCTIONS =============================== |
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45 |
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46 // ============================ MEMBER FUNCTIONS =============================== |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CAmrPayloadFormatRead::CAmrPayloadFormatRead |
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50 // C++ default constructor can NOT contain any code, that |
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51 // might leave. |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CAmrPayloadFormatRead::CAmrPayloadFormatRead ( ) : |
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55 iIsNb( ETrue ), iSamplingRate( KAmrNbSampleRate ), iChannels( 1 ), |
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56 iMode( EAmrFrame12_2 ), iCmr ( EAmrModeReq7 ), iStreamEncoder( TStreamEncoder() ) |
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57 { |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CAmrPayloadFormatRead::ConstructL |
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62 // Symbian 2nd phase constructor can leave. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void CAmrPayloadFormatRead::ConstructL ( MDataSource* aSource ) |
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66 { |
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67 User::LeaveIfNull( aSource ); |
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68 |
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69 iRtpDataSource = aSource; |
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70 iClip = aSource; |
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71 iBufferToReadExists = EFalse; |
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72 |
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73 iFourCC.Set( TFourCC( ' ','A','M','R' ) ); |
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74 |
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75 // Set default value of iChannels and iFramesPerPacket |
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76 iFramesPerPacket = 1; |
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77 iChannels = 1; |
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78 |
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79 // Initialize decoding state machine |
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80 iStateMachine = CFormatDecodeStateMachine::NewL( this ); |
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81 iStateMachine->ChangeState( EDecodeIdle ); |
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82 |
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83 iCurrentBuffer = EBufferOne; |
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84 |
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85 #ifdef FTD_ENABLED |
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86 |
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87 User::LeaveIfError( iJBufStatsQueue.OpenGlobal( KMccJBufferStats, |
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88 EOwnerProcess ) ); |
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89 |
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90 #endif |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // CAmrPayloadFormatRead::NewL |
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95 // |
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96 // Two-phased constructor. |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 CAmrPayloadFormatRead* CAmrPayloadFormatRead::NewL ( MDataSource* aSource ) |
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100 { |
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101 __ASSERT_ALWAYS( aSource, User::Leave( KErrArgument ) ); |
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102 |
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103 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::NewL" ); |
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104 |
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105 CAmrPayloadFormatRead* self = new ( ELeave ) CAmrPayloadFormatRead; |
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106 CleanupStack::PushL ( self ); |
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107 self->ConstructL ( aSource ); |
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108 CleanupStack::Pop( self ); |
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109 return self; |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CAmrPayloadFormatRead::~CAmrPayloadFormatRead |
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114 // |
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115 // Destructor. |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 CAmrPayloadFormatRead::~CAmrPayloadFormatRead ( ) |
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119 { |
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120 // commented out CreateSourceBufferL now sets aReference to ETrue. |
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121 // datapath doesn't clean this buffer any longer. |
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122 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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123 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead: 0x%x", this ); |
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124 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iFrameBufferOne: 0x%x", iFrameBufferOne ); |
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125 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iFrameBufferTwo: 0x%x", iFrameBufferTwo ); |
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126 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iSourceBuffer: 0x%x", iSourceBuffer ); |
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127 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iStateMachine: 0x%x", iStateMachine ); |
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128 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iPayloadDecoder: 0x%x", iPayloadDecoder ); |
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129 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iRtpDataSource: 0x%x", iRtpDataSource ); |
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130 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iClip: 0x%x", iClip ); |
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131 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iDataPath: 0x%x", iDataPath ); |
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132 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::~CAmrPayloadFormatRead iBufferToRead: 0x%x", iBufferToRead ); |
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133 #endif |
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134 |
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135 |
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136 delete iFrameBufferOne; |
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137 delete iFrameBufferTwo; |
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138 if ( iSourceBufOwnership ) |
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139 { |
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140 delete iSourceBuffer; |
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141 } |
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142 iSourceBuffer = NULL; |
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143 |
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144 if ( iStateMachine ) |
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145 { |
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146 iStateMachine->Cancel( ); |
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147 delete iStateMachine; |
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148 } |
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149 |
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150 delete iPayloadDecoder; |
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151 iRtpDataSource = NULL; |
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152 iClip = NULL; |
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153 iDataPath = NULL; |
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154 iBufferToRead = NULL; |
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155 iEventHandler = NULL; |
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156 |
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157 #ifdef FTD_ENABLED |
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158 iJBufStatsQueue.Close(); |
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159 #endif |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CAmrPayloadFormatRead::Streams |
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164 // Return number of audio streams for the given media |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 TUint CAmrPayloadFormatRead::Streams( TUid aMediaType ) const |
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168 { |
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169 if ( KUidMediaTypeAudio == aMediaType ) |
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170 { |
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171 return 1; |
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172 } |
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173 else |
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174 { |
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175 return 0; |
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176 } |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CAmrPayloadFormatRead::FrameTimeInterval |
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181 // Return the frame time interval for the given media |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 TTimeIntervalMicroSeconds CAmrPayloadFormatRead::FrameTimeInterval( |
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185 TMediaId aMediaId ) const |
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186 { |
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187 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
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188 { |
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189 TInt hwFrametime = static_cast<TInt>( iCInfo.iHwFrameTime ); |
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190 return TTimeIntervalMicroSeconds( TInt64( hwFrametime ) ); |
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191 } |
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192 else |
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193 { |
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194 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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195 } |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // CAmrPayloadFormatRead::FillBufferL |
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200 // Fill Buffer |
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201 // ----------------------------------------------------------------------------- |
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202 // |
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203 void CAmrPayloadFormatRead::FillBufferL( CMMFBuffer* aBuffer, |
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204 MDataSink* aConsumer, TMediaId aMediaId ) |
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205 { |
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206 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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207 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillBufferL( )" ); |
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208 #endif |
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209 |
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210 User::LeaveIfNull( aBuffer ); |
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211 User::LeaveIfNull( aConsumer ); |
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212 |
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213 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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214 AMR_PAYLOAD_FORMAT_READ3 ( "CAmrPayloadFormatRead::FillBufferL( ) buffer 0x%x passed in with length %d bytes \n", aBuffer, aBuffer->BufferSize( ) ); |
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215 #endif |
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216 #ifdef VOIP_TRACE_ENABLED |
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217 VoipTrace( "%x %x %x %x", MCC_TRACE, MCC_AMR_PLF_READ_FILLBUFFERL, |
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218 aBuffer, aConsumer ); |
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219 #endif |
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220 |
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221 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
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222 { |
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223 User::Leave( KErrNotSupported ); |
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224 } |
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225 |
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226 if ( KUidMmfDataBuffer != aBuffer->Type( ) ) |
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227 { |
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228 User::Leave( KErrNotSupported ); |
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229 } |
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230 |
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231 iDataPath = aConsumer; |
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232 iMediaId = aMediaId; |
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233 |
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234 // aBuffer is a reference to those frame buffers that AmrPayloadFormatRead owns |
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235 aBuffer->SetLastBuffer( EFalse ); |
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236 |
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237 iFillRequested = ETrue; |
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238 |
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239 if ( iCurrentBuffer == EBufferOne ) |
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240 { |
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241 iFrameBufferTwo->SetStatus( EAvailable ); |
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242 } |
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243 else |
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244 { |
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245 iFrameBufferOne->SetStatus( EAvailable ); |
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246 } |
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247 |
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248 if ( iBufferToReadExists ) // Payload has some frames not decoded |
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249 { |
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250 iStateMachine->ChangeState( ESourceDataReady ); |
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251 } |
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252 else |
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253 { |
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254 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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255 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillBufferL( ), Request data from source\n" ); |
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256 #endif |
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257 |
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258 FillSourceBufferL(); // No payload ask for it |
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259 } |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // CAmrPayloadFormatRead::DoRead |
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264 // Reads data starting from the given position into the source buffer |
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265 // ----------------------------------------------------------------------------- |
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266 // |
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267 TBool CAmrPayloadFormatRead::DoRead( CMMFBuffer* aBuffer ) |
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268 { |
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269 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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270 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::DoRead" ); |
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271 #endif |
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272 #ifdef VOIP_MCC_DL_TRACE_ENABLED |
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273 VoipTrace( "%x %x %x", MCC_TRACE, MCC_AMR_PLF_READ_DOREAD, aBuffer ); |
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274 #endif |
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275 |
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276 if ( !aBuffer ) |
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277 { |
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278 return EFalse; |
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279 } |
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280 |
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281 if ( EFull == aBuffer->Status( ) ) |
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282 { |
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283 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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284 RDebug::Print ( _L ( "CAmrPayloadFormatRead::DoRead - Buffer already full" ) ); |
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285 #endif |
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286 |
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287 return EFalse; |
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288 } |
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289 |
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290 if ( iNumOfFrames == 0 ) |
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291 { |
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292 return EFalse; |
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293 } |
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294 |
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295 TAmrFrame* frames = iPayloadDecoder->Frames( ); |
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296 TDes8& bufferDes = static_cast<CMMFDataBuffer*>( aBuffer )->Data(); |
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297 TInt byteIndex = bufferDes.Length( ); |
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298 |
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299 TUint8* desPtr = const_cast<TUint8*>( bufferDes.Ptr( ) ); |
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300 iStreamEncoder.Initialize( desPtr, byteIndex, 0 ); |
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301 |
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302 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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303 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::DoRead - iCurrentFrame = %d", |
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304 iCurrentFrame ); |
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305 #endif |
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306 |
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307 TInt bitCount = iPayloadDecoder->SpeechBitCount( frames[iCurrentFrame].iFrameType ); |
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308 // Calculate byte count |
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309 TInt nextFrameLen = |
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310 bitCount % TInt(KNumValue8) == 0 ? bitCount / TInt(KNumValue8) : bitCount / TInt(KNumValue8) + 1; |
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311 |
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312 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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313 AMR_PAYLOAD_FORMAT_READ4 ( "CAmrPayloadFormatRead::DoRead - iCurrentFrame = %d iNumOfFrames = %d byteIndex = %d", |
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314 iCurrentFrame, iNumOfFrames, byteIndex ); |
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315 #endif |
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316 |
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317 // Construct 8-bit frame header. |
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318 // +-+-+-+-+-+-+-+-+ |
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319 // |P| FT |Q|P|P| |
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320 // +-+-+-+-+-+-+-+-+ |
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321 iStreamEncoder.Encode( 0, 1 ); |
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322 iStreamEncoder.Encode( TInt( frames[iCurrentFrame].iFrameType ), KNumValue4 ); |
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323 iStreamEncoder.Encode( frames[iCurrentFrame].iFrameQualityInd, 1 ); |
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324 iStreamEncoder.Encode( 0, KNumValue2 ); |
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325 |
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326 if ( bitCount > 0 ) |
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327 { |
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328 // Construct core frame part ( speech data ) |
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329 iStreamEncoder.Encode( frames[iCurrentFrame].iFrameData, 0, |
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330 frames[iCurrentFrame].iBitIndex, bitCount ); |
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331 if ( iStreamEncoder.BitIndex( ) != 0 ) |
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332 { |
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333 // Need padding to byte boundray |
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334 iStreamEncoder.Encode( 0, KNumValue8 - iStreamEncoder.BitIndex( ) ); |
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335 } |
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336 } |
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337 |
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338 // Update iCurrentFrame |
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339 iCurrentFrame++; |
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340 |
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341 byteIndex = byteIndex + nextFrameLen + 1; // Add 1 for frame header byte |
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342 |
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343 // Get next frame length |
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344 if ( iCurrentFrame < iNumOfFrames ) |
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345 { |
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346 bitCount = iPayloadDecoder->SpeechBitCount( frames[iCurrentFrame].iFrameType ); |
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347 // Calculate byte count |
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348 nextFrameLen = |
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349 bitCount % (TInt) KNumValue8 == 0 ? bitCount / (TInt) KNumValue8 : bitCount / (TInt) KNumValue8 + 1; |
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350 } |
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351 |
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352 bufferDes.SetLength( byteIndex ); |
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353 |
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354 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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355 AMR_PAYLOAD_FORMAT_READ4 ( "CAmrPayloadFormatRead::DoRead - after decoding iCurrentFrame = %d iNumOfFrames = %d byteIndex = %d", |
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356 iCurrentFrame, iNumOfFrames, byteIndex ); |
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357 #endif |
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358 |
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359 if ( iCurrentFrame == iNumOfFrames ) |
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360 { |
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361 // Packet is fully decoded. |
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362 // If it is the last buffer from RtpSourceSink, then we are not |
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363 // expecting more packets. Also SetLastBuffer to notify datapath. |
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364 if( iBufferToRead->LastBuffer( ) ) |
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365 { |
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366 aBuffer->SetLastBuffer( ETrue ); |
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367 aBuffer->SetStatus( EFull ); |
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368 } |
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369 return ETrue; |
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370 } |
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371 |
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372 return EFalse; |
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373 } |
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374 |
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375 // ----------------------------------------------------------------------------- |
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376 // CAmrPayloadFormatRead::FillSinkBufferL |
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377 // Read RTP payload and convert it into AMR frames. |
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378 // ----------------------------------------------------------------------------- |
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379 // |
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380 void CAmrPayloadFormatRead::FillSinkBufferL( ) |
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381 { |
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382 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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383 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSinkBuffer( )" ); |
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384 #endif |
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385 #ifdef VOIP_MCC_DL_TRACE_ENABLED |
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386 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_FILLSINKBUFFER ); |
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387 #endif |
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388 |
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389 CMMFBuffer* curBuffer; |
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390 if ( EBufferOne == iCurrentBuffer ) |
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391 { |
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392 curBuffer = iFrameBufferOne; |
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393 |
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394 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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395 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSinkBuffer( ) - Current Buffer One" ); |
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396 #endif |
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397 } |
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398 else |
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399 { |
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400 curBuffer = iFrameBufferTwo; |
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401 |
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402 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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403 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSinkBuffer( ) - Current Buffer Two" ); |
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404 #endif |
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405 } |
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406 |
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407 curBuffer->SetStatus( EAvailable ); |
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408 TBool allFrmBuffered = DoRead( curBuffer ); |
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409 curBuffer->SetFrameNumber( |
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410 iRecvHeader.iTimestamp + ( ( iCurrentFrame - 1 ) |
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411 * TUint( iCInfo.iHwFrameTime * iSamplingRate * KTimeMultiplier ) ) ); |
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412 |
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413 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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414 AMR_PAYLOAD_FORMAT_READ2 ( "CAmrPayloadFormatRead::FillSinkBuffer - FRAMENUM: %u", |
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415 curBuffer->FrameNumber() ); |
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416 #endif |
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417 |
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418 // Do not wait for the buffer to be filled up. If we do, this will cause jitters in |
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419 // comfort-noise ( SID frame ) playing since SID-frame packets take considerably less |
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420 // data bytes and it will delay waiting for many SID-frame packets before forwarding them to |
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421 // DataPath for further play-out processing. |
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422 // Instead, forward the data as soon as we receive and decode one packet |
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423 // to avoid jitters in play-out. |
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424 if ( allFrmBuffered ) |
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425 { |
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426 iBufferToReadExists = EFalse; |
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427 } |
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428 |
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429 |
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430 // Do not forward zero length buffers |
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431 if ( curBuffer->BufferSize() > 0 ) |
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432 { |
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433 iStateMachine->ChangeState( EEmptyDataToSink ); |
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434 } |
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435 else |
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436 { |
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437 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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438 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSinkBufferL( ), Request data from source\n" ); |
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439 #endif |
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440 |
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441 FillSourceBufferL(); // No payload ask for it |
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442 } |
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443 |
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444 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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445 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSinkBuffer - DONE" ); |
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446 #endif |
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447 } |
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448 |
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449 // ----------------------------------------------------------------------------- |
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450 // CAmrPayloadFormatRead::FillSourceBufferL |
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451 // Send fill buffer request to RTP Data Source |
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452 // ----------------------------------------------------------------------------- |
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453 // |
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454 void CAmrPayloadFormatRead::FillSourceBufferL( ) |
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455 { |
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456 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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457 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::FillSourceBufferL( )" ); |
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458 #endif |
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459 |
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460 iClip->FillBufferL(iSourceBuffer, this, iMediaId ); |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // CAmrPayloadFormatRead::SendDataToSinkL |
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465 // Send full frame buffer to Data Path |
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466 // ----------------------------------------------------------------------------- |
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467 // |
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468 void CAmrPayloadFormatRead::SendDataToSinkL( ) |
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469 { |
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470 #ifdef VOIP_MCC_DL_TRACE_ENABLED |
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471 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SENDDATATOSINKL ); |
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472 #endif |
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473 |
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474 iFillRequested = EFalse; |
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475 |
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476 if ( EBufferOne == iCurrentBuffer ) |
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477 { |
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478 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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479 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::SendDataToSinkL( ) - BufferOne" ); |
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480 #endif |
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481 |
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482 iDataPath->BufferFilledL( iFrameBufferOne ); |
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483 iCurrentBuffer = EBufferTwo; |
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484 if ( iBufferToReadExists && !iFrameBufferOne->LastBuffer( ) ) |
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485 { |
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486 // More payload buffer is needed |
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487 iStateMachine->ChangeState( ESourceDataReady ); |
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488 } |
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489 } |
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490 else |
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491 { |
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492 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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493 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::SendDataToSinkL( ) - BufferTwo" ); |
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494 #endif |
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495 |
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496 iDataPath->BufferFilledL( iFrameBufferTwo ); |
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497 iCurrentBuffer = EBufferOne; |
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498 if ( iBufferToReadExists && !iFrameBufferTwo->LastBuffer( ) ) |
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499 { |
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500 // More payload buffer is needed |
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501 iStateMachine->ChangeState( ESourceDataReady ); |
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502 } |
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503 } |
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504 |
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505 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
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506 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::SendDataToSinkL( ) - DONE" ); |
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507 #endif |
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508 } |
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509 |
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510 // ----------------------------------------------------------------------------- |
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511 // CAmrPayloadFormatRead::CreateSourceBufferL |
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512 // Create a source buffer for the given media and indicate in aReference if |
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513 // buffer is created. |
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514 // ----------------------------------------------------------------------------- |
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515 // |
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516 CMMFBuffer* CAmrPayloadFormatRead::CreateSourceBufferL( TMediaId aMediaId, |
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517 TBool &aReference ) |
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518 { |
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519 #ifdef VOIP_TRACE_ENABLED |
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520 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_CREATESOURCEBUFFERL ); |
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521 #endif |
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522 |
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523 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
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524 { |
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525 User::Leave( KErrNotSupported ); |
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526 } |
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527 |
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528 // the source buffers belong to AmrPayloadFormatRead not to datapath |
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529 // aference should be set to ETrue and destried by AmrPayloadFormatRead itself. |
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530 aReference = ETrue; |
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531 return iFrameBufferOne; |
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532 } |
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533 |
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534 // ----------------------------------------------------------------------------- |
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535 // CAmrPayloadFormatRead::CreateSourceBufferL |
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536 // Create a source buffer for the given media, setting frame size to match |
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537 // the given sink buffer |
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538 // ----------------------------------------------------------------------------- |
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539 // |
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540 CMMFBuffer* CAmrPayloadFormatRead::CreateSourceBufferL( TMediaId aMediaId, |
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541 CMMFBuffer& /*aSinkBuffer*/, TBool &aReference ) |
|
542 { |
|
543 #ifdef VOIP_TRACE_ENABLED |
|
544 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_CREATESOURCEBUFFERL ); |
|
545 #endif |
|
546 |
|
547 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
|
548 { |
|
549 User::Leave( KErrNotSupported ); |
|
550 } |
|
551 |
|
552 return CreateSourceBufferL( aMediaId, aReference ); |
|
553 } |
|
554 |
|
555 // ----------------------------------------------------------------------------- |
|
556 // CAmrPayloadFormatRead::SourceDataTypeCode |
|
557 // Return the source data type ( four CC code ) for the given media |
|
558 // ----------------------------------------------------------------------------- |
|
559 // |
|
560 TFourCC CAmrPayloadFormatRead::SourceDataTypeCode( TMediaId aMediaId ) |
|
561 { |
|
562 if ( KUidMediaTypeAudio == aMediaId.iMediaType ) |
|
563 { |
|
564 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
565 AMR_PAYLOAD_FORMAT_READ2( |
|
566 "CAmrPayloadFormatRead::SourceDataTypeCode: 0x%x", iFourCC.FourCC() ); |
|
567 #endif |
|
568 return iFourCC; |
|
569 } |
|
570 else |
|
571 { |
|
572 return TFourCC( ); //defaults to 'NULL' fourCC |
|
573 } |
|
574 } |
|
575 |
|
576 // ----------------------------------------------------------------------------- |
|
577 // CAmrPayloadFormatRead::SetSourceDataTypeCode |
|
578 // Set the source data type to the given four CC code for the given media |
|
579 // ----------------------------------------------------------------------------- |
|
580 // |
|
581 TInt CAmrPayloadFormatRead::SetSourceDataTypeCode( TFourCC aSourceFourCC, |
|
582 TMediaId aMediaId ) |
|
583 { |
|
584 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
585 AMR_PAYLOAD_FORMAT_READ2( |
|
586 "CAmrPayloadFormatRead::SetSourceDataTypeCode: 0x%x", |
|
587 aSourceFourCC.FourCC() ); |
|
588 #endif |
|
589 #ifdef VOIP_TRACE_ENABLED |
|
590 VoipTrace( "%x %x %d", MCC_TRACE, MCC_AMR_PLF_READ_SETSOURCEDATATYPECODE, |
|
591 aSourceFourCC.FourCC() ); |
|
592 #endif |
|
593 |
|
594 if ( KUidMediaTypeAudio != aMediaId.iMediaType ) |
|
595 { |
|
596 return KErrNotSupported; |
|
597 } |
|
598 |
|
599 iFourCC = aSourceFourCC; |
|
600 iMediaId = aMediaId; |
|
601 |
|
602 if ( aSourceFourCC == KMccFourCCIdAMRWB ) |
|
603 { |
|
604 // Nb is set true in the constructor by default. |
|
605 iIsNb = EFalse; |
|
606 SetSampleRate( KAmrWbSampleRate ); |
|
607 } |
|
608 |
|
609 iClip->SetSourceDataTypeCode( iFourCC, iMediaId ); |
|
610 |
|
611 return KErrNone; |
|
612 } |
|
613 |
|
614 // ----------------------------------------------------------------------------- |
|
615 // CAmrPayloadFormatRead::SourceThreadLogon |
|
616 // Log in to the source thread |
|
617 // ----------------------------------------------------------------------------- |
|
618 // |
|
619 TInt CAmrPayloadFormatRead::SourceThreadLogon( |
|
620 MAsyncEventHandler& aEventHandler ) |
|
621 { |
|
622 #ifdef VOIP_TRACE_ENABLED |
|
623 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCETHREADLOGON ); |
|
624 #endif |
|
625 |
|
626 iEventHandler = &aEventHandler; |
|
627 iClip->SourceThreadLogon( aEventHandler ); |
|
628 return KErrNone; |
|
629 } |
|
630 |
|
631 // ----------------------------------------------------------------------------- |
|
632 // CAmrPayloadFormatRead::NegotiateSourceL( MDataSink& aDataSink ) |
|
633 // Negotiate source settings to match data sink object. |
|
634 // Re-size frame buffers if needed |
|
635 // ----------------------------------------------------------------------------- |
|
636 // |
|
637 void CAmrPayloadFormatRead::NegotiateSourceL( MDataSink& /*aDataSink*/ ) |
|
638 { |
|
639 #ifdef VOIP_TRACE_ENABLED |
|
640 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_NEGOTIATESOURCEL ); |
|
641 #endif |
|
642 |
|
643 iClip->NegotiateSourceL( *this ); |
|
644 } |
|
645 |
|
646 // ----------------------------------------------------------------------------- |
|
647 // CAmrPayloadFormatRead::SourceThreadLogoff |
|
648 // Log out of the source thread. |
|
649 // ----------------------------------------------------------------------------- |
|
650 // |
|
651 void CAmrPayloadFormatRead::SourceThreadLogoff( ) |
|
652 { |
|
653 #ifdef VOIP_TRACE_ENABLED |
|
654 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCETHREADLOGOFF ); |
|
655 #endif |
|
656 |
|
657 iClip->SourceThreadLogoff( ); |
|
658 } |
|
659 |
|
660 // ----------------------------------------------------------------------------- |
|
661 // CAmrPayloadFormatRead::DataBufferFilledL |
|
662 // Called after the data buffer is filled. Update the number of bytes read |
|
663 // and the current read position for the next read operation. |
|
664 // ----------------------------------------------------------------------------- |
|
665 // |
|
666 void CAmrPayloadFormatRead::DataBufferFilledL( CMMFBuffer* aBuffer, |
|
667 const TRtpRecvHeader& aRtpHeader ) |
|
668 { |
|
669 AMR_PAYLOAD_FORMAT_READ2( "CAmrPayloadFormatRead::DataBufferFilledL TSTAMP: %u", |
|
670 aRtpHeader.iTimestamp ) |
|
671 |
|
672 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
|
673 __ASSERT_ALWAYS( KUidMmfDataBuffer == aBuffer->Type(), |
|
674 User::Leave( KErrNotSupported) ); |
|
675 __ASSERT_ALWAYS( iSourceBuffer == aBuffer, User::Leave( KErrArgument ) ); |
|
676 |
|
677 AMR_PAYLOAD_FORMAT_READ2( "CAmrPayloadFormatRead::DataBufferFilledL LEN:%d", |
|
678 iSourceBuffer->Data().Length() ) |
|
679 |
|
680 if ( !iSourceBuffer->Data().Size() ) |
|
681 { |
|
682 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::BufferFilledL NO DATA" ) |
|
683 |
|
684 // Request for a new buffer or playback is stopped |
|
685 FillSourceBufferL(); |
|
686 return; |
|
687 } |
|
688 |
|
689 iBufferToRead = iSourceBuffer; |
|
690 iRecvHeader = aRtpHeader; |
|
691 iBufferToReadExists = ETrue; |
|
692 |
|
693 // Get a reference to the data |
|
694 TDes8& srcData = iSourceBuffer->Data(); |
|
695 |
|
696 iPayloadDecoder->SetPayloadBuffer( srcData ); |
|
697 iPayloadDecoder->SetChannelCount( iChannels ); |
|
698 iPayloadDecoder->SetFrameBlockCount( iFramesPerPacket ); |
|
699 |
|
700 // Decoder rips off redundant frames already received and increases |
|
701 // timestamp accordingly. This prevents frame placing too early at |
|
702 // jitter buffer's playout buffer. |
|
703 const TUint32 timeStampIncrement = |
|
704 TUint32( iCInfo.iHwFrameTime * iChannels * iSamplingRate * KTimeMultiplier ); |
|
705 |
|
706 iNumOfFrames = iPayloadDecoder->DecodePayload( iRecvHeader.iTimestamp, |
|
707 timeStampIncrement ); |
|
708 |
|
709 iBufferToRead->SetFrameNumber( iRecvHeader.iTimestamp ); |
|
710 |
|
711 // If the mode request has changed and it is a speech mode, then report |
|
712 // it to subcontroller. Otherwise it can be ignored (RFC3267 4.3.1) |
|
713 const TAmrModeRequest updateCmr = iPayloadDecoder->ModeRequest(); |
|
714 if ( updateCmr != iCmr && updateCmr != EAmrModeReqNone ) |
|
715 { |
|
716 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::BufferFilledL MODE CHANGE" ) |
|
717 |
|
718 iCmr = updateCmr; |
|
719 SendAmrEventToClient( EMccInternalAmrEventCmr ); |
|
720 } |
|
721 |
|
722 AMR_PAYLOAD_FORMAT_READ2( "CAmrPayloadFormatRead::BufferFilledL MODE_REQ: %u", updateCmr ) |
|
723 |
|
724 // Read frame data and forward it to data sink |
|
725 iCurrentFrame = 0; |
|
726 |
|
727 // Whenever BufferFilledL is called from RtpSourceSink |
|
728 // Set the state machine to fill sinkbuffer |
|
729 if ( iNumOfFrames ) |
|
730 { |
|
731 iStateMachine->ChangeState( ESourceDataReady ); |
|
732 } |
|
733 else |
|
734 { |
|
735 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::BufferFilledL NO ACCEPTED FRAMES" ) |
|
736 |
|
737 // Request for a new buffer or playback is stopped |
|
738 FillSourceBufferL(); |
|
739 } |
|
740 } |
|
741 |
|
742 // ----------------------------------------------------------------------------- |
|
743 // CAmrPayloadFormatRead::NumChannels |
|
744 // Gets the number of channels |
|
745 // ----------------------------------------------------------------------------- |
|
746 // |
|
747 TUint CAmrPayloadFormatRead::NumChannels( ) |
|
748 { |
|
749 return KMono; |
|
750 } |
|
751 |
|
752 // ----------------------------------------------------------------------------- |
|
753 // CAmrPayloadFormatRead::SampleRate |
|
754 // Returns the samplerate |
|
755 // ----------------------------------------------------------------------------- |
|
756 // |
|
757 TUint CAmrPayloadFormatRead::SampleRate( ) |
|
758 { |
|
759 return iSamplingRate; |
|
760 } |
|
761 |
|
762 // ----------------------------------------------------------------------------- |
|
763 // CAmrPayloadFormatRead::SetSampleRate |
|
764 // Only supported sample rate for AMR-NB is 8000Hz |
|
765 // ----------------------------------------------------------------------------- |
|
766 // |
|
767 TInt CAmrPayloadFormatRead::SetSampleRate ( TUint aSampleRate ) |
|
768 { |
|
769 #ifdef VOIP_TRACE_ENABLED |
|
770 VoipTrace( "%x %x %d", MCC_TRACE, MCC_AMR_PLF_READ_SETSAMPLERATE, |
|
771 aSampleRate ); |
|
772 #endif |
|
773 |
|
774 if( (iIsNb && KAmrNbSampleRate != aSampleRate) || |
|
775 (!iIsNb && KAmrWbSampleRate != aSampleRate) ) |
|
776 { |
|
777 return KErrNotSupported; |
|
778 } |
|
779 else |
|
780 { |
|
781 iSamplingRate = aSampleRate; |
|
782 return KErrNone; |
|
783 } |
|
784 } |
|
785 |
|
786 // ----------------------------------------------------------------------------- |
|
787 // CAmrPayloadFormatRead::Duration |
|
788 // Return the clip duration for the given media. |
|
789 // ----------------------------------------------------------------------------- |
|
790 // |
|
791 TTimeIntervalMicroSeconds CAmrPayloadFormatRead::Duration( TMediaId /*aMediaType*/ ) const |
|
792 { |
|
793 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
|
794 } |
|
795 |
|
796 // ----------------------------------------------------------------------------- |
|
797 // CAmrPayloadFormatRead::CancelDlRequest( ) |
|
798 // Cancels the statemachine and resets the buffers |
|
799 // ----------------------------------------------------------------------------- |
|
800 // |
|
801 void CAmrPayloadFormatRead::CancelDlRequest() |
|
802 { |
|
803 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
804 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::CancelDlRequest" ); |
|
805 #endif |
|
806 |
|
807 iStateMachine->Cancel(); |
|
808 iStateMachine->ChangeState( EDecodeIdle ); |
|
809 |
|
810 if ( iFrameBufferOne && iFrameBufferTwo ) |
|
811 { |
|
812 iFrameBufferOne->SetLastBuffer( EFalse ); |
|
813 iFrameBufferTwo->SetLastBuffer( EFalse ); |
|
814 |
|
815 iFrameBufferOne->SetStatus( EAvailable ); |
|
816 iFrameBufferTwo->SetStatus( EAvailable ); |
|
817 } |
|
818 |
|
819 iBufferToReadExists = EFalse; |
|
820 iCurrentBuffer = EBufferOne; |
|
821 iFillRequested = EFalse; |
|
822 } |
|
823 |
|
824 // ----------------------------------------------------------------------------- |
|
825 // CAmrPayloadFormatRead::SourcePrimeL() |
|
826 // |
|
827 // ----------------------------------------------------------------------------- |
|
828 // |
|
829 void CAmrPayloadFormatRead::SourcePrimeL() |
|
830 { |
|
831 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
832 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::SourcePrimeL" ); |
|
833 #endif |
|
834 #ifdef VOIP_TRACE_ENABLED |
|
835 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCEPRIMEL ); |
|
836 #endif |
|
837 |
|
838 iClip->SourcePrimeL(); |
|
839 } |
|
840 |
|
841 // ----------------------------------------------------------------------------- |
|
842 // CAmrPayloadFormatRead::SourcePlayL() |
|
843 // Starts the source |
|
844 // ----------------------------------------------------------------------------- |
|
845 // |
|
846 void CAmrPayloadFormatRead::SourcePlayL() |
|
847 { |
|
848 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
849 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::SourcePlayL" ); |
|
850 #endif |
|
851 #ifdef VOIP_TRACE_ENABLED |
|
852 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCEPLAYL ); |
|
853 #endif |
|
854 |
|
855 #ifdef FTD_ENABLED |
|
856 iLatestSeqNum = 0; |
|
857 iTotalFrames = 0; |
|
858 iLostFrames = 0; |
|
859 #endif |
|
860 |
|
861 // Initialize payload decoder |
|
862 iPayloadDecoder->Initialize(); |
|
863 |
|
864 iClip->SourcePlayL(); |
|
865 } |
|
866 |
|
867 // ----------------------------------------------------------------------------- |
|
868 // CAmrPayloadFormatRead::SourcePauseL() |
|
869 // Pauses the source |
|
870 // ----------------------------------------------------------------------------- |
|
871 // |
|
872 void CAmrPayloadFormatRead::SourcePauseL() |
|
873 { |
|
874 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
875 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::SourcePauseL" ); |
|
876 #endif |
|
877 #ifdef VOIP_TRACE_ENABLED |
|
878 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCEPAUSEL ); |
|
879 #endif |
|
880 |
|
881 this->CancelDlRequest(); |
|
882 iClip->SourcePauseL(); |
|
883 } |
|
884 |
|
885 // ----------------------------------------------------------------------------- |
|
886 // CAmrPayloadFormatRead::SourceStopL( ) |
|
887 // Stops the source |
|
888 // ----------------------------------------------------------------------------- |
|
889 // |
|
890 void CAmrPayloadFormatRead::SourceStopL() |
|
891 { |
|
892 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
893 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::SourceStopL" ); |
|
894 #endif |
|
895 #ifdef VOIP_TRACE_ENABLED |
|
896 VoipTrace( "%x %x", MCC_TRACE, MCC_AMR_PLF_READ_SOURCESTOPL ); |
|
897 #endif |
|
898 |
|
899 this->CancelDlRequest(); |
|
900 iClip->SourceStopL(); |
|
901 } |
|
902 |
|
903 // ----------------------------------------------------------------------------- |
|
904 // CAmrPayloadFormatRead::SinkDataTypeCode() |
|
905 // Returns the datatype code for this Format Decoder |
|
906 // ----------------------------------------------------------------------------- |
|
907 // |
|
908 TFourCC CAmrPayloadFormatRead::SinkDataTypeCode( TMediaId aMediaId ) |
|
909 { |
|
910 if( KUidMediaTypeAudio == aMediaId.iMediaType ) |
|
911 { |
|
912 return iFourCC; |
|
913 } |
|
914 else |
|
915 { |
|
916 return TFourCC(); |
|
917 } |
|
918 } |
|
919 |
|
920 // ----------------------------------------------------------------------------- |
|
921 // CAmrPayloadFormatRead::ConfigurePayloadFormatL |
|
922 // Configure payload decoding parameters. |
|
923 // ----------------------------------------------------------------------------- |
|
924 // |
|
925 void CAmrPayloadFormatRead::ConfigurePayloadFormatL( const TDesC8& aConfigParams ) |
|
926 { |
|
927 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::ConfigurePayloadFormatL (NB/WB)" ); |
|
928 __ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
929 User::Leave( KErrArgument ) ); |
|
930 |
|
931 TMccCodecInfoBuffer infoBuffer; |
|
932 infoBuffer.Copy( aConfigParams ); |
|
933 |
|
934 if ( !infoBuffer().iIsUpdate ) |
|
935 { |
|
936 __ASSERT_ALWAYS( infoBuffer().iHwFrameTime, User::Leave( KErrArgument ) ); |
|
937 |
|
938 iCInfo = infoBuffer(); |
|
939 |
|
940 AMR_PAYLOAD_FORMAT_READ5 ( "CAmrPayloadFormatRead::ConfigurePayloadFormatL \ |
|
941 MaxPT: %d HWFS: %d FS: %d RED: %d" , iCInfo.iMaxPtime, iCInfo.iHwFrameTime, |
|
942 iCInfo.iFrameSize, iCInfo.iRedundancyCount ); |
|
943 |
|
944 if ( !iPayloadDecoder ) |
|
945 { |
|
946 if ( KAmrCodecModeBandwidthEfficient == iCInfo.iCodecMode ) |
|
947 { |
|
948 iPayloadDecoder = CAmrPayloadDecoder::NewL( iIsNb ); |
|
949 } |
|
950 else if ( KAmrCodecModeOctetAlign == iCInfo.iCodecMode ) |
|
951 { |
|
952 iPayloadDecoder = CAmrPayloadDecoderOA::NewL( iIsNb ); |
|
953 } |
|
954 else |
|
955 { |
|
956 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::ConfigurePayloadFormatL KErrArgument" ); |
|
957 User::Leave( KErrArgument ); |
|
958 } |
|
959 } |
|
960 |
|
961 iFramesPerPacket = iCInfo.iMaxPtime / iCInfo.iHwFrameTime; |
|
962 iPayloadDecoder->SetFrameBlockCount( iFramesPerPacket ); |
|
963 |
|
964 if ( !iFrameBufferOne ) |
|
965 { |
|
966 iFrameBufferOne = CMMFDataBuffer::NewL( iCInfo.iFrameSize ); |
|
967 } |
|
968 if ( !iFrameBufferTwo ) |
|
969 { |
|
970 iFrameBufferTwo = CMMFDataBuffer::NewL( iCInfo.iFrameSize ); |
|
971 } |
|
972 |
|
973 if ( iSourceBufOwnership ) |
|
974 { |
|
975 delete iSourceBuffer; |
|
976 } |
|
977 iSourceBuffer = NULL; |
|
978 |
|
979 TInt plSize = iCInfo.iFrameSize * iFramesPerPacket; |
|
980 |
|
981 if ( EAmrFecUsed == iCInfo.iAlgoUsed ) |
|
982 { |
|
983 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::ConfigurePayloadFormatL - Using AMR FEC" ); |
|
984 |
|
985 plSize |
|
986 = ( 0 <= iCInfo.iMaxRed ) |
|
987 ? iCInfo.iFrameSize * ( iFramesPerPacket + ( iCInfo.iMaxRed / iCInfo.iHwFrameTime ) ) |
|
988 : iCInfo.iFrameSize * ( iFramesPerPacket + KMaxAmrRedCount ); |
|
989 } |
|
990 else if ( EGenRedUsed == iCInfo.iAlgoUsed ) |
|
991 { |
|
992 AMR_PAYLOAD_FORMAT_READ2( "CAmrPayloadFormatRead::ConfigurePayloadFormatL, RED LEVEL: %d", |
|
993 iCInfo.iRedundancyCount ); |
|
994 |
|
995 if ( iCInfo.iRedundancyCount ) |
|
996 { |
|
997 plSize *= iCInfo.iRedundancyCount; |
|
998 } |
|
999 |
|
1000 CPayloadFormatRead* redDecoder |
|
1001 = static_cast<CPayloadFormatRead*>( iClip ); |
|
1002 |
|
1003 TMccRedPayloadReadConfig config; |
|
1004 config.iRedBlockCount = iCInfo.iRedundancyCount; |
|
1005 config.iMaxPayloadSize = iCInfo.iFrameSize * iFramesPerPacket; |
|
1006 config.iNumOfEncodings = 1; |
|
1007 config.iRedPayloadType = iCInfo.iRedundantPayload; |
|
1008 config.InitPayloadTypes(); |
|
1009 config.iEncPayloadTypes[0] = iCInfo.iPayloadType; |
|
1010 TMccRedPayloadReadPckg pckg( config ); |
|
1011 redDecoder->ConfigurePayloadFormatL( pckg ); |
|
1012 } |
|
1013 else |
|
1014 { |
|
1015 // NOP |
|
1016 } |
|
1017 |
|
1018 iSourceBuffer = CreateClipBufferL( plSize, iSourceBufOwnership ); |
|
1019 } |
|
1020 else |
|
1021 { |
|
1022 UpdateConfigurationL( infoBuffer() ); |
|
1023 } |
|
1024 } |
|
1025 |
|
1026 // ----------------------------------------------------------------------------- |
|
1027 // CAmrPayloadFormatRead::UpdateConfigurationL |
|
1028 // Update payload decoder parameters |
|
1029 // ----------------------------------------------------------------------------- |
|
1030 // |
|
1031 void CAmrPayloadFormatRead::UpdateConfigurationL( const TMccCodecInfo& aCodecInfo ) |
|
1032 { |
|
1033 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::UpdateConfigurationL" ); |
|
1034 |
|
1035 if ( iCInfo.iMaxPtime != aCodecInfo.iMaxPtime ) |
|
1036 { |
|
1037 iFramesPerPacket = aCodecInfo.iMaxPtime / iCInfo.iHwFrameTime; |
|
1038 iPayloadDecoder->SetFrameBlockCount( iFramesPerPacket ); |
|
1039 |
|
1040 if ( iSourceBufOwnership ) |
|
1041 { |
|
1042 delete iSourceBuffer; |
|
1043 } |
|
1044 iSourceBuffer = NULL; |
|
1045 |
|
1046 TInt plSize = iCInfo.iFrameSize * iFramesPerPacket; |
|
1047 |
|
1048 if ( EAmrFecUsed == iCInfo.iAlgoUsed ) |
|
1049 { |
|
1050 plSize |
|
1051 = ( 0 <= iCInfo.iMaxRed ) |
|
1052 ? iCInfo.iFrameSize * ( iFramesPerPacket + ( iCInfo.iMaxRed / iCInfo.iHwFrameTime ) ) |
|
1053 : iCInfo.iFrameSize * ( iFramesPerPacket + KMaxAmrRedCount ); |
|
1054 } |
|
1055 else |
|
1056 { |
|
1057 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::ConfigurePayloadFormatL Not using AMR FEC" ) |
|
1058 } |
|
1059 |
|
1060 iSourceBuffer = CreateClipBufferL( plSize, iSourceBufOwnership ); |
|
1061 |
|
1062 // Initialize payload decoder |
|
1063 iPayloadDecoder->Initialize(); |
|
1064 |
|
1065 iCInfo.iMaxPtime = aCodecInfo.iMaxPtime; |
|
1066 } |
|
1067 |
|
1068 AMR_PAYLOAD_FORMAT_READ( "CAmrPayloadFormatRead::UpdateConfigurationL OUT" ) |
|
1069 } |
|
1070 |
|
1071 // ----------------------------------------------------------------------------- |
|
1072 // CAmrPayloadFormatRead::SendAmrEventToClient |
|
1073 // ----------------------------------------------------------------------------- |
|
1074 // |
|
1075 void CAmrPayloadFormatRead::SendAmrEventToClient( |
|
1076 TMccInternalEventType aEventType ) |
|
1077 { |
|
1078 TMccAmrEventData eventData; |
|
1079 TInt bitrate = ConvertModeToBitrate( iCmr ); |
|
1080 eventData.iModeRequestBitrate = bitrate; |
|
1081 |
|
1082 if ( iEventHandler ) |
|
1083 { |
|
1084 TMccEvent event; |
|
1085 event.iEventData = TMccAmrEventDataPackage( eventData ); |
|
1086 |
|
1087 TMccInternalEvent internalEvent( KMccAmrFormatterUid, |
|
1088 aEventType, |
|
1089 event ); |
|
1090 |
|
1091 iEventHandler->SendEventToClient( internalEvent ); |
|
1092 } |
|
1093 #ifdef TRACE_AMR_PAYLOAD_FORMAT_READ |
|
1094 else |
|
1095 { |
|
1096 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::SendAmrEventToClient, \ |
|
1097 iEventHandler=NULL" ) |
|
1098 } |
|
1099 #endif |
|
1100 } |
|
1101 |
|
1102 // ----------------------------------------------------------------------------- |
|
1103 // CAmrPayloadFormatRead::CreateClipBufferL |
|
1104 // Creates buffer needed in data transfer with format readers clip. |
|
1105 // ----------------------------------------------------------------------------- |
|
1106 // |
|
1107 CMMFDataBuffer* CAmrPayloadFormatRead::CreateClipBufferL( |
|
1108 TUint aSize, TBool& aIsOwnBuffer ) |
|
1109 { |
|
1110 AMR_PAYLOAD_FORMAT_READ ( "CAmrPayloadFormatRead::CreateClipBufferL" ) |
|
1111 CMMFDataBuffer* buffer( NULL ); |
|
1112 |
|
1113 if ( iClip->CanCreateSourceBuffer() ) |
|
1114 { |
|
1115 if ( iClip->DataSourceType() == KUidMmfFormatDecode || |
|
1116 iClip->DataSourceType() == KMccMultiplexerUid ) |
|
1117 { |
|
1118 static_cast<CMMFFormatDecode*>( iClip )->SuggestSourceBufferSize( aSize ); |
|
1119 } |
|
1120 |
|
1121 TBool reference( EFalse ); |
|
1122 CMMFBuffer* sourceBuf |
|
1123 = iClip->CreateSourceBufferL( KUidMediaTypeAudio, reference ); |
|
1124 TBool isSupportedBuf |
|
1125 = CMMFBuffer::IsSupportedDataBuffer( sourceBuf->Type() ); |
|
1126 TBool isOwnBuffer = reference ? EFalse : ETrue; |
|
1127 |
|
1128 if ( !isSupportedBuf ) |
|
1129 { |
|
1130 if ( isOwnBuffer ) |
|
1131 { |
|
1132 delete sourceBuf; |
|
1133 } |
|
1134 |
|
1135 User::Leave( KErrNotSupported ); |
|
1136 } |
|
1137 |
|
1138 aIsOwnBuffer = isOwnBuffer; |
|
1139 buffer = static_cast<CMMFDataBuffer*>( sourceBuf ); |
|
1140 } |
|
1141 else |
|
1142 { |
|
1143 aIsOwnBuffer = ETrue; |
|
1144 buffer = CMMFDataBuffer::NewL( aSize ); |
|
1145 } |
|
1146 |
|
1147 return buffer; |
|
1148 } |
|
1149 |
|
1150 // ----------------------------------------------------------------------------- |
|
1151 // CAmrPayloadFormatRead::ConvertModeToBitrate |
|
1152 // Gives corresponding bitrate for mode request depending |
|
1153 // on formatter mode (nb/wb) |
|
1154 // ----------------------------------------------------------------------------- |
|
1155 // |
|
1156 TInt CAmrPayloadFormatRead::ConvertModeToBitrate( TAmrModeRequest aModeRequest ) |
|
1157 { |
|
1158 if ( iIsNb && aModeRequest < KNumberOfNbModes ) |
|
1159 { |
|
1160 return KAmrNbModes[aModeRequest]; |
|
1161 } |
|
1162 |
|
1163 if ( !iIsNb && aModeRequest < KNumberOfWbModes ) |
|
1164 { |
|
1165 return KAmrWbModes[aModeRequest]; |
|
1166 } |
|
1167 |
|
1168 return 0; |
|
1169 } |
|
1170 |
|
1171 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
|
1172 |
|
1173 // End of File |