1 /* |
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2 * Copyright (c) 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 the License "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: Implementation of RTP clip handler class.* |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <ipvideo/CRtpClipHandler.h> |
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22 #include "CRtpToFile.h" |
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23 #include "CRtpFromFile.h" |
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24 #include "videoserviceutilsLogger.h" |
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25 |
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26 // CONSTANTS |
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27 const TInt KDvrMaxTimeshiftDelta( 1 * 60 * 60 ); // 1 hour |
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28 |
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29 // ============================ MEMBER FUNCTIONS =============================== |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // CRtpClipHandler::NewL |
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33 // Two-phased constructor. |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 EXPORT_C CRtpClipHandler* CRtpClipHandler::NewL() |
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37 { |
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38 CRtpClipHandler* self = new( ELeave ) CRtpClipHandler(); |
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39 CleanupStack::PushL( self ); |
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40 self->ConstructL(); |
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41 CleanupStack::Pop( self ); |
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42 return self; |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CRtpClipHandler::CRtpClipHandler |
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47 // C++ default constructor can NOT contain any code, that might leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CRtpClipHandler::CRtpClipHandler() |
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51 : iClipVersion( 0 ), |
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52 iSaveNameIndex( KErrNotFound ), |
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53 iReadNameIndex( KErrNotFound ), |
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54 iTsPauseState( EFalse ) |
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55 { |
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56 // None |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CRtpClipHandler::ConstructL |
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61 // Symbian 2nd phase constructor can leave. |
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62 // ----------------------------------------------------------------------------- |
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63 // |
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64 void CRtpClipHandler::ConstructL() |
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65 { |
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66 LOG( "CRtpClipHandler::ConstructL()" ); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CRtpClipHandler::~CRtpClipHandler |
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71 // Destructor. |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 EXPORT_C CRtpClipHandler::~CRtpClipHandler() |
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75 { |
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76 LOG( "CRtpClipHandler::~CRtpClipHandler() in" ); |
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77 |
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78 StopRecording( KErrCancel ); |
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79 StopPlayBack( KErrCancel, 0 ); |
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80 |
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81 LOG( "CRtpClipHandler::~CRtpClipHandler() out" ); |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CRtpClipHandler::RegisterWriteObserver |
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86 // |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 EXPORT_C void CRtpClipHandler::RegisterWriteObserver( |
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90 MRtpFileWriteObserver* aObs ) |
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91 { |
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92 LOG1( "CRtpClipHandler::RegisterWriteObserver(), aObs: %d", aObs ); |
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93 iWriteObs = aObs; |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CRtpClipHandler::RegisterReadObserver |
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98 // |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 EXPORT_C void CRtpClipHandler::RegisterReadObserver( MRtpFileReadObserver* aObs ) |
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102 { |
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103 LOG1( "CRtpClipHandler::RegisterReadObserver(), aObs: %d", aObs ); |
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104 |
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105 iReadObs = aObs; |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CRtpClipHandler::StartRecordingL |
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110 // |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 EXPORT_C void CRtpClipHandler::StartRecordingL( |
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114 const MRtpFileWriteObserver::SRtpRecParams& aRecParams, |
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115 const MRtpFileWriteObserver::TRtpSaveAction& aAction ) |
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116 { |
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117 LOG1( "CRtpClipHandler::StartRecordingL() in, aAction: %d", aAction ); |
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118 |
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119 // Stop possible existing recording |
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120 StopRecording( KErrNone ); |
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121 iSaveNameIndex = 0; |
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122 |
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123 // If InitRtpSaveL leaves, iRtpSave is not NULL, but is in undefined state. |
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124 // This causes problems - may crash when StopRecording is called. |
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125 // Better to trap and cleanup here. |
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126 TRAPD( err, |
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127 // Init recording ( iRtpSave deleted in StopRecording() ) |
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128 iRtpSave = CRtpToFile::NewL( *this, *iWriteObs ); |
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129 iRtpSave->InitRtpSaveL( aRecParams, aAction ); |
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130 ); |
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131 if ( err ) |
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132 { |
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133 delete iRtpSave; iRtpSave = NULL; |
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134 User::Leave( err ); |
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135 } |
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136 |
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137 LOG( "CRtpClipHandler::StartRecordingL() out" ); |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CRtpClipHandler::SaveNextGroupL |
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142 // |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 EXPORT_C void CRtpClipHandler::SaveNextGroupL( |
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146 TPtr8& aGroup, |
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147 TUint aGroupLength, |
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148 const MRtpFileWriteObserver::TRtpSaveAction& aAction ) |
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149 { |
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150 User::LeaveIfNull( iWriteObs ); |
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151 User::LeaveIfNull( iRtpSave ); |
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152 |
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153 // Passes save action to ring buffer |
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154 const TUint seekPoint( iRtpSave->SaveNextGroupL( |
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155 aGroup, aGroupLength, aAction ) ); |
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156 |
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157 // aGroupLength is set to non zero if time shift ongoing? |
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158 if ( aGroupLength > 0 ) |
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159 { |
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160 CRtpFileBase::STimeShiftSeek shiftSeek; |
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161 shiftSeek.iGroupTime = aGroupLength; |
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162 shiftSeek.iSeekpoint = seekPoint; |
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163 shiftSeek.iNameIndex = iSaveNameIndex; |
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164 iShiftSeek.Append( shiftSeek ); |
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165 |
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166 // Time shift max length |
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167 if ( ( ( iShiftSeek.Count() - 1 ) * KNormalRecGroupLength ) > |
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168 KDvrMaxTimeshiftDelta ) |
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169 { |
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170 LOG( "CRtpClipHandler::SaveNextGroupL(), Timeshift max time !" ); |
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171 } |
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172 } |
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173 } |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // CRtpClipHandler::WritingActive |
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177 // |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 EXPORT_C TBool CRtpClipHandler::WritingActive( void ) const |
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181 { |
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182 if ( iRtpSave ) |
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183 { |
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184 return iRtpSave->IsActive(); |
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185 } |
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186 |
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187 return EFalse; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CRtpClipHandler::GetCurrentLength |
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192 // |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 EXPORT_C TUint CRtpClipHandler::GetCurrentLength( void ) const |
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196 { |
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197 TUint length( 0 ); |
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198 if ( iRtpRead ) |
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199 { |
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200 length = iRtpRead->Duration(); |
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201 } |
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202 else |
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203 { |
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204 if ( iRtpSave ) |
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205 { |
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206 const TInt count( iShiftSeek.Count() ); |
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207 if ( count > 0 ) |
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208 { |
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209 // Time shift |
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210 for ( TInt i( 0 ); i < count; i++ ) |
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211 { |
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212 length += iShiftSeek[i].iGroupTime; |
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213 } |
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214 } |
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215 else |
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216 { |
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217 // Rec ongoing |
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218 length = iRtpSave->GetCurrentLength(); |
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219 } |
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220 } |
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221 } |
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222 |
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223 return length; |
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224 } |
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225 |
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226 // ----------------------------------------------------------------------------- |
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227 // CRtpClipHandler::TimeShiftPauseL |
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228 // |
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229 // ----------------------------------------------------------------------------- |
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230 // |
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231 EXPORT_C void CRtpClipHandler::TimeShiftPauseL() |
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232 { |
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233 LOG2( "CRtpClipHandler::TimeShiftPauseL(), iRtpSave: %d, iTsPauseState: %d", |
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234 iRtpSave, iTsPauseState ); |
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235 User::LeaveIfNull( iRtpSave ); |
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236 if ( !iTsPauseState ) |
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237 { |
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238 // Use clip as a ring buffer |
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239 iRtpSave->ActivateGroupsReuseL(); |
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240 iTsPauseState = ETrue; |
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241 } |
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242 else |
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243 { |
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244 // Switch to next file |
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245 iSaveNameIndex++; |
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246 MRtpFileWriteObserver::SRtpRecParams recParams; |
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247 DefaultRecParams( recParams, iSaveNameIndex ); |
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248 iRtpSave->SwapClipL( recParams ); |
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249 iTsPauseState = EFalse; |
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250 } |
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251 } |
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252 |
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253 // ----------------------------------------------------------------------------- |
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254 // CRtpClipHandler::DefaultRecParams |
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255 // |
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256 // ----------------------------------------------------------------------------- |
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257 // |
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258 EXPORT_C void CRtpClipHandler::DefaultRecParams( |
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259 MRtpFileWriteObserver::SRtpRecParams& aParams, |
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260 const TInt aIndex ) |
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261 { |
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262 aParams.iClipPath = KDvrTimeShiftFile; |
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263 aParams.iClipPath.AppendNum( aIndex ); |
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264 aParams.iSdpData.Set( NULL, 0 ); |
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265 aParams.iService.Set( KNullDesC ); |
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266 aParams.iProgram.Set( KNullDesC ); |
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267 aParams.iPostRule = 0; |
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268 aParams.iParental = 0; |
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269 aParams.iStartTime = 0; |
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270 aParams.iEndTime = TInt64( KDvrMaximumTimeShift ) * 1e6; |
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271 } |
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272 |
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273 // ----------------------------------------------------------------------------- |
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274 // CRtpClipHandler::UpdateRecordEndTime |
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275 // |
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276 // ----------------------------------------------------------------------------- |
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277 // |
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278 EXPORT_C void CRtpClipHandler::UpdateRecordEndTime( const TTime& aEndTime ) |
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279 { |
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280 if ( iRtpSave ) |
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281 { |
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282 iRtpSave->UpdateRecordEndTime( aEndTime ); |
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283 } |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CRtpClipHandler::ResumeRecordingL |
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288 // |
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289 // ----------------------------------------------------------------------------- |
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290 // |
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291 EXPORT_C void CRtpClipHandler::ResumeRecordingL( void ) |
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292 { |
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293 LOG1( "CRtpClipHandler::ResumeRecordingL(), iRtpSave: %d", iRtpSave ); |
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294 |
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295 if ( iRtpSave ) |
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296 { |
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297 iRtpSave->UpdatePreviousTimeL(); |
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298 } |
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299 } |
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300 |
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301 // ----------------------------------------------------------------------------- |
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302 // CRtpClipHandler::StopRecording |
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303 // |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 EXPORT_C void CRtpClipHandler::StopRecording( const TInt aError ) |
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307 { |
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308 LOG2( "CRtpClipHandler::StopRecording(), aError: %d, iRtpSave: %d", |
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309 aError, iRtpSave ); |
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310 |
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311 if ( iRtpSave ) |
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312 { |
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313 // Update clip end point if watching sametime |
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314 if ( iRtpRead ) |
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315 { |
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316 iRtpRead->UpdateLastSeekAddr(); |
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317 } |
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318 |
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319 // Stop recording |
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320 iRtpSave->StopRtpSave( aError ); |
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321 |
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322 // Delete possible time shift files |
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323 if ( !iRtpRead ) |
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324 { |
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325 iRtpSave->DeleteTimeShiftFiles( iShiftSeek ); |
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326 } |
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327 } |
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328 |
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329 delete iRtpSave; iRtpSave = NULL; |
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330 } |
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331 |
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332 // ----------------------------------------------------------------------------- |
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333 // CRtpClipHandler::StartPlayBackL |
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334 // |
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335 // ----------------------------------------------------------------------------- |
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336 // |
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337 EXPORT_C void CRtpClipHandler::StartPlayBackL( |
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338 const SCRRtpPlayParams& aParams, |
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339 const TBool aTimeShift ) |
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340 { |
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341 LOG1( "CRtpClipHandler::StartPlayBackL(), path: %S", &aParams.iFileName ); |
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342 LOG1( "CRtpClipHandler::StartPlayBackL(), aTimeShift: %d", aTimeShift ); |
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343 |
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344 // Stop possible existing |
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345 StopPlayBack( KErrNone, 0 ); |
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346 |
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347 // Time shift mode? |
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348 if ( aTimeShift ) |
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349 { |
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350 // Open file for time shift mode |
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351 User::LeaveIfNull( iRtpSave ); |
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352 iRtpRead = CRtpFromFile::NewL( *iReadObs, iRtpSave ); |
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353 iReadNameIndex = ( iShiftSeek.Count() )? iShiftSeek[0].iNameIndex: 0; |
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354 TPath clipPath( KDvrTimeShiftFile ); |
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355 clipPath.AppendNum( iReadNameIndex ); |
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356 iRtpRead->InitRtpReadL( clipPath, iClipVersion, aTimeShift ); |
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357 } |
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358 else |
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359 { |
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360 // Open file, during recording? |
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361 if ( iRtpSave && iRtpSave->ClipPath() ) |
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362 { |
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363 if ( !aParams.iFileName.Compare( iRtpSave->ClipPath()->Des() ) ) |
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364 { |
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365 iRtpRead = CRtpFromFile::NewL( *iReadObs, iRtpSave ); |
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366 } |
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367 } |
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368 |
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369 // Open file, normal playback? |
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370 if ( !iRtpRead ) |
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371 { |
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372 iRtpRead = CRtpFromFile::NewL( *iReadObs, NULL ); |
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373 } |
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374 |
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375 iRtpRead->InitRtpReadL( aParams.iFileName, iClipVersion, EFalse ); |
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376 } |
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377 } |
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378 |
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379 // ----------------------------------------------------------------------------- |
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380 // CRtpClipHandler::StartPlayBackL |
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381 // |
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382 // ----------------------------------------------------------------------------- |
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383 // |
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384 EXPORT_C void CRtpClipHandler::StartPlayBackL( const RFile& aFileHandle ) |
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385 { |
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386 LOG( "CRtpClipHandler::StartPlayBackL(), with handle" ); |
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387 |
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388 // Stop possible existing |
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389 StopPlayBack( KErrNone, 0 ); |
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390 |
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391 // Open file, during recording? |
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392 if ( iRtpSave && iRtpSave->ClipPath() ) |
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393 { |
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394 TPath name( KNullDesC ); |
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395 aFileHandle.FullName( name ); |
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396 if ( !name.Compare( iRtpSave->ClipPath()->Des() ) ) |
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397 { |
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398 iRtpRead = CRtpFromFile::NewL( *iReadObs, iRtpSave ); |
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399 } |
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400 } |
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401 |
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402 // Open file, normal playback? |
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403 if ( !iRtpRead ) |
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404 { |
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405 iRtpRead = CRtpFromFile::NewL( *iReadObs, NULL ); |
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406 } |
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407 |
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408 iRtpRead->InitRtpReadL( aFileHandle, iClipVersion ); |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // CRtpClipHandler::GetClipSdpL |
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413 // |
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414 // ----------------------------------------------------------------------------- |
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415 // |
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416 EXPORT_C HBufC8* CRtpClipHandler::GetClipSdpL( void ) const |
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417 { |
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418 HBufC8* sdp = NULL; |
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419 if ( iRtpRead ) |
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420 { |
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421 sdp = iRtpRead->GetClipSdpL(); |
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422 } |
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423 |
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424 return sdp; |
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425 } |
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426 |
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427 // ----------------------------------------------------------------------------- |
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428 // CRtpClipHandler::NextClipGroupL |
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429 // |
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430 // ----------------------------------------------------------------------------- |
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431 // |
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432 EXPORT_C void CRtpClipHandler::NextClipGroupL( void ) |
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433 { |
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434 User::LeaveIfNull( iRtpRead ); |
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435 if ( !iRtpRead->IsTimeShift() ) |
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436 { |
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437 iRtpRead->ReadNextGroupL( KErrNotFound ); |
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438 } |
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439 else |
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440 { |
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441 // Handle time shift |
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442 TInt err( KErrNotFound ); |
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443 if ( iShiftSeek.Count() ) |
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444 { |
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445 // Need swap file? |
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446 SwapClipIfNeededL(); |
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447 |
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448 // Read next group |
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449 TRAP( err, iRtpRead->ReadNextGroupL( iShiftSeek[0].iSeekpoint ) ); |
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450 if ( err != KErrInUse ) |
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451 { |
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452 iShiftSeek.Remove( 0 ); |
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453 } |
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454 } |
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455 |
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456 // End time shift? |
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457 if ( err == KErrEof ) |
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458 { |
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459 LOG( "CRtpClipHandler::NextClipGroupL(), Time shift play reached live !" ); |
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460 User::LeaveIfNull( iReadObs ); |
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461 iReadObs->ReadStatus( MRtpFileReadObserver::ERtpTimeShifTEnd ); |
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462 } |
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463 } |
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464 } |
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465 |
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466 // ----------------------------------------------------------------------------- |
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467 // CRtpClipHandler::SetSeekPointL |
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468 // ----------------------------------------------------------------------------- |
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469 // |
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470 EXPORT_C void CRtpClipHandler::SetSeekPointL( const TUint aTime ) |
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471 { |
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472 LOG1( "CRtpClipHandler::SetSeekPointL(), aTime: %u", aTime ); |
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473 |
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474 User::LeaveIfNull( iRtpRead ); |
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475 if ( !iShiftSeek.Count() ) |
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476 { |
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477 iRtpRead->SetSeekPointL( aTime ); |
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478 } |
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479 else |
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480 { |
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481 const TInt count( iShiftSeek.Count() ); |
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482 if ( count > 0 ) |
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483 { |
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484 TUint total( 0 ); |
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485 for ( TInt index( 0 ); index < count && aTime > total; index++ ) |
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486 { |
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487 total += iShiftSeek[0].iGroupTime; |
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488 SwapClipIfNeededL(); |
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489 iShiftSeek.Remove( 0 ); |
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490 } |
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491 } |
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492 } |
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493 } |
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494 |
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495 // ----------------------------------------------------------------------------- |
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496 // CRtpClipHandler::StopPlayBack |
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497 // ----------------------------------------------------------------------------- |
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498 // |
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499 EXPORT_C void CRtpClipHandler::StopPlayBack( |
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500 const TInt aError, |
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501 const TUint aPlayerBuf ) |
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502 { |
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503 LOG2( "CRtpClipHandler::StopPlayBack(), aError: %d, iRtpRead: %d", |
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504 aError, iRtpRead ); |
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505 if ( iRtpRead ) |
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506 { |
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507 iRtpRead->StopRtpRead( aError, aPlayerBuf ); |
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508 |
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509 // Delete possible time shift files |
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510 if ( !iRtpSave ) |
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511 { |
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512 iRtpRead->DeleteTimeShiftFiles( iShiftSeek ); |
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513 } |
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514 } |
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515 |
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516 delete iRtpRead; iRtpRead = NULL; |
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517 } |
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518 |
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519 // ----------------------------------------------------------------------------- |
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520 // CRtpClipHandler::RtpGroupSaved |
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521 // Indicates that RPT packet save is ready. |
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522 // ----------------------------------------------------------------------------- |
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523 // |
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524 void CRtpClipHandler::RtpGroupSaved( const TInt aAction ) |
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525 { |
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526 // Inform file reader that new group saved |
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527 if ( iRtpRead && aAction >= KErrNone ) |
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528 { |
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529 iRtpRead->ReadSkippedGroup(); |
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530 } |
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531 |
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532 // Group saved |
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533 if ( iWriteObs ) |
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534 { |
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535 if ( aAction != MRtpFileWriteObserver::ESaveEnd ) |
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536 { |
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537 // Ready for next group |
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538 iWriteObs->GroupSaved(); |
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539 } |
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540 else |
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541 { |
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542 // Recording full time |
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543 iWriteObs->WriteStatus( KErrNone ); |
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544 } |
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545 } |
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546 } |
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547 |
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548 // ----------------------------------------------------------------------------- |
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549 // CRtpClipHandler::CurrentFileReadPoint |
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550 // Getter for file reader current point. |
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551 // ----------------------------------------------------------------------------- |
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552 // |
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553 TInt CRtpClipHandler::CurrentFileReadPoint( const TInt aIndex ) |
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554 { |
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555 if ( iShiftSeek.Count() > aIndex ) |
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556 { |
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557 if ( iShiftSeek[aIndex].iNameIndex == iSaveNameIndex ) |
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558 { |
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559 return iShiftSeek[aIndex].iSeekpoint; |
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560 } |
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561 |
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562 return KErrNone; |
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563 } |
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564 |
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565 return KErrNotFound; |
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566 } |
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567 |
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568 // ----------------------------------------------------------------------------- |
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569 // CRtpClipHandler::SwapClipIfNeededL |
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570 // Swap to next available clip in time shift array if needed. |
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571 // ----------------------------------------------------------------------------- |
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572 // |
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573 void CRtpClipHandler::SwapClipIfNeededL( void ) |
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574 { |
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575 if ( iShiftSeek[0].iNameIndex != iReadNameIndex ) |
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576 { |
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577 iReadNameIndex = iShiftSeek[0].iNameIndex; |
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578 TPath clipPath( KDvrTimeShiftFile ); |
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579 clipPath.AppendNum( iReadNameIndex ); |
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580 iRtpRead->SwapClipL( clipPath ); |
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581 } |
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582 } |
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583 |
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584 // End of File |
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