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1 /* |
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2 * Copyright (c) 2004 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: Progressive Download Utility |
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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 "PdProperties.h" |
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21 |
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22 //Percentage (increments) of the file [TBD] |
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23 //that needs to be downloaded/buffered before playing begins |
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24 //Should try at 25%,50%,75%,100% |
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25 const TInt KPercentageToBufferIncrement =25; |
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26 |
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27 |
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28 //Percentage of the file needed for header [TBD] |
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29 //const TInt KPercentageNeededForHeader = 33; |
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30 const TInt KBytesNeededForHeader = 200000;//102400; |
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31 |
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32 //const TInt KMinFileSize = 100000; |
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33 |
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34 //Max attempts to openfile |
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35 const TInt KRetryOpen = 1; |
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36 |
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37 |
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38 //=============================================================== |
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39 // CPdProperties implementation begins |
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40 // |
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41 //=============================================================== |
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42 EXPORT_C CPdProperties* CPdProperties::NewL() |
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43 { |
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44 CPdProperties* self = new(ELeave) CPdProperties(); |
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45 CleanupStack::PushL(self); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop(self); |
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48 return self; |
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49 } |
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50 |
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51 EXPORT_C CPdProperties* CPdProperties::NewLC() |
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52 { |
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53 CPdProperties* self = new (ELeave) CPdProperties(); |
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54 CleanupStack::PushL(self); |
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55 self->ConstructL(); |
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56 return self; |
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57 } |
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58 |
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59 EXPORT_C CPdProperties::~CPdProperties() |
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60 { |
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61 delete iFileName; |
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62 |
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63 } |
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64 |
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65 void CPdProperties::ConstructL() |
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66 { |
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67 |
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68 iFileOpened = EFalse; |
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69 iAttemptsToOpen = 0; |
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70 iState = EStopped; |
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71 iPercentageToBuffer= KPercentageToBufferIncrement; |
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72 iDownloadCompleted = EFalse; |
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73 iFileBytePosition = 0; |
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74 iTimePosition = 0; |
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75 iBytesDownloaded = 0; |
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76 iOpenInProgress = EFalse; |
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77 |
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78 } |
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79 |
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80 CPdProperties::CPdProperties() |
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81 { |
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82 |
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83 } |
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84 |
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85 EXPORT_C CAudioPdPlayUtility* CPdProperties::OpenL(const TDesC& aFileName, |
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86 MAudioPdPlayUtilityCallback& aCallback) |
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87 { |
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88 iUseFileHandle = EFalse; |
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89 iFileName = HBufC::NewL ( aFileName.Length() ); |
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90 iFileName->Des().Copy( aFileName ); |
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91 |
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92 iCallback = &aCallback; |
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93 |
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94 iAudioPdPlayUtility = CAudioPdPlayUtility::NewL(*this); |
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95 |
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96 return iAudioPdPlayUtility; |
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97 } |
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98 |
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99 EXPORT_C CAudioPdPlayUtility* CPdProperties::OpenL(const RFile& aFileHandle, |
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100 MAudioPdPlayUtilityCallback& aCallback) |
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101 { |
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102 iUseFileHandle = ETrue; |
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103 iFileHandle.Duplicate(aFileHandle); |
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104 |
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105 iCallback = &aCallback; |
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106 |
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107 iAudioPdPlayUtility = CAudioPdPlayUtility::NewL(*this); |
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108 |
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109 |
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110 return iAudioPdPlayUtility; |
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111 } |
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112 |
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113 |
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114 void CPdProperties::HandleDownloadEventL(TUint /*aTransactionID*/, |
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115 TBrCtlDownloadEvent aEvent, |
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116 TUint aValue) |
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117 { |
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118 /* |
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119 Event Value (optional) Comment |
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120 EDownloadEventStarted Total Bytes Size of content as specified in header. |
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121 EDownloadEventCompleted Total Bytes Received Total number received should be same as specified at start. |
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122 EDownloadEventProgress Bytes Received Number of bytes received so far. May be used to determine % received for progress bar. This will be sent multiple times. Frequency to be determined. Perhaps on every chunk received. |
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123 EDownloadEventCanceled N/A Cancelled by Download Manager |
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124 EDownloadEventError N/A Cancelled by BrowserEngine due to network/http error. |
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125 EDownloadEventPaused, aValue is the size downloaded so far |
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126 EDownloadEventResumed, aValue is the size downloaded |
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127 EDownloadEventPausable aValue = true when it is pausable |
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128 */ |
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129 |
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130 switch (aEvent) |
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131 { |
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132 case EDownloadEventStarted: //Started |
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133 { |
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134 if(aValue) |
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135 iFileSize = aValue; |
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136 break; |
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137 } |
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138 |
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139 case EDownloadEventCompleted: //Completed |
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140 { |
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141 iDownloadCompleted = ETrue; |
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142 iBytesDownloaded = aValue; |
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143 |
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144 if((!iFileOpened) && (!iOpenInProgress)) |
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145 { |
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146 //Used for when metadata is at the end of file |
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147 //or when the file is in cache and already downloaded. |
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148 iAudioPdPlayUtility->SetFileSize(iFileSize); |
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149 iAudioPdPlayUtility->SetBytesDownloaded(iBytesDownloaded, iDownloadCompleted); |
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150 iAudioPdPlayUtility->DlCompleteOpenFileL(iFileName->Des()); |
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151 iOpenInProgress = ETrue; |
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152 iAttemptsToOpen++; |
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153 } |
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154 break; |
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155 } |
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156 |
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157 case EDownloadEventProgress: //Progress |
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158 { |
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159 if(aValue) |
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160 iBytesDownloaded = aValue; |
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161 break; |
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162 } |
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163 case EDownloadEventCanceled: //Cancelled |
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164 case EDownloadEventError: //Error |
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165 { |
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166 iBytesDownloaded = 0; |
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167 iFileSize = 0; |
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168 break; |
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169 } |
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170 |
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171 case EDownloadEventPaused: //Paused |
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172 case EDownloadEventResumed: //Resumed |
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173 case EDownloadEventPausable: //Pausable |
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174 //do nothing |
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175 break; |
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176 |
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177 default: |
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178 break; |
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179 |
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180 } // switch(aEvent) |
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181 |
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182 |
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183 #if _DEBUG |
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184 RDebug::Print(_L("CPdProperties::HandleDownloadEventL")); |
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185 RDebug::Print(_L("file byte position %d"),iFileBytePosition); |
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186 RDebug::Print(_L("bytes downloaded %d"),iBytesDownloaded); |
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187 RDebug::Print(_L("file size %d"),iFileSize); |
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188 RDebug::Print(_L("percentage to buffer %d"),iPercentageToBuffer); |
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189 RDebug::Print(_L("download state %d"),aEvent); |
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190 #endif |
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191 |
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192 HandleDownloadUpdateL(); |
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193 } |
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194 |
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195 TInt CPdProperties::CalculatePercentageDownloaded() |
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196 { |
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197 TInt percentageDone = 0; |
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198 if((iFileSize>0) && (iBytesDownloaded>0)) |
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199 percentageDone= ((100*iBytesDownloaded)/iFileSize); |
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200 |
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201 return percentageDone; |
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202 } |
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203 |
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204 void CPdProperties::SavePosition() |
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205 { |
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206 #if _DEBUG |
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207 RDebug::Print(_L("CPdProperties::SavePosition")); |
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208 #endif |
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209 TTimeIntervalMicroSeconds timeposition; |
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210 if(iState==EPlaying) |
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211 { |
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212 iAudioPdPlayUtility->GetFilePosition(iFileBytePosition); |
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213 |
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214 iAudioPdPlayUtility->GetPosition(timeposition); |
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215 if(timeposition >iTimePosition) |
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216 iTimePosition = timeposition; |
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217 } |
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218 |
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219 #if _DEBUG |
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220 RDebug::Print(_L("CPdProperties::SavePosition iTimePosition %d"),I64INT(iTimePosition.Int64())); |
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221 #endif |
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222 |
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223 } |
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224 |
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225 void CPdProperties::HandleDownloadUpdateL() |
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226 { |
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227 TInt percentageDone=0; |
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228 |
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229 percentageDone = CalculatePercentageDownloaded(); |
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230 |
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231 #if _DEBUG |
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232 RDebug::Print(_L("iFileOpened %d "),iFileOpened); |
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233 RDebug::Print(_L("iState %d "),iState); |
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234 RDebug::Print(_L("percentage downloaded %d "),percentageDone); |
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235 RDebug::Print(_L("iBytesDownloaded %d "),iBytesDownloaded); |
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236 RDebug::Print(_L("iAttemptsToOpen %d "),iAttemptsToOpen); |
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237 RDebug::Print(_L("iOpenInProgress %d "),iOpenInProgress); |
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238 RDebug::Print(_L("iFileSize %d "),iFileSize); |
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239 #endif |
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240 //if((percentageDone>KPercentageNeededForHeader)&& |
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241 if((iBytesDownloaded>KBytesNeededForHeader)&& |
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242 (!iFileOpened) && iAttemptsToOpen<KRetryOpen && (!iOpenInProgress)) |
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243 { |
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244 TInt err(KErrNone); |
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245 if(iUseFileHandle) |
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246 { |
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247 #ifdef RD_PD_FOR_AUDIO_CONTENT_VIA_HELIX_ENGINE |
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248 iAudioPdPlayUtility->SetFileSize(iFileSize); |
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249 #endif |
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250 iAudioPdPlayUtility->OpenFileL(iFileHandle); |
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251 } |
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252 else |
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253 { |
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254 #ifdef RD_PD_FOR_AUDIO_CONTENT_VIA_HELIX_ENGINE |
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255 iAudioPdPlayUtility->SetFileSize(iFileSize); |
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256 #endif |
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257 TRAP(err,iAudioPdPlayUtility->OpenFileL(iFileName->Des())); |
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258 } |
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259 |
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260 if(err != KErrNone) |
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261 { |
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262 MapcInitComplete(err,0); |
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263 return; |
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264 } |
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265 iOpenInProgress = ETrue; |
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266 iAttemptsToOpen++; |
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267 |
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268 } |
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269 |
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270 //Pass bytes downloaded to ProgressiveDownload DataSource |
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271 iAudioPdPlayUtility->SetBytesDownloaded(iBytesDownloaded, iDownloadCompleted); |
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272 |
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273 if(iFileOpened) |
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274 {//if the file is opened/playing save the |
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275 //file byte position and the time position |
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276 SavePosition(); |
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277 switch (iState) |
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278 { |
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279 case EPlaying: |
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280 { |
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281 if((iFileBytePosition >=iBytesDownloaded) && |
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282 (percentageDone<=100)) |
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283 { |
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284 //Should have paused, but is causing problems |
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285 //with DRM1 FL |
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286 #if _DEBUG |
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287 RDebug::Print(_L("Should have paused")); |
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288 #endif |
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289 //StartPaused(); |
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290 } |
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291 break; |
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292 } |
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293 // Try to automatically resume only if we are stopped due to lac |
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294 // of data (KErrUnderflow) |
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295 //case EPaused: |
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296 //case EStopped: |
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297 case EStoppedAutoResume: |
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298 { |
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299 //if stopped attempt to play at 25%,50%,75%,100% |
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300 if( percentageDone >= iPercentageToBuffer ) |
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301 { |
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302 StartPlaying(); |
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303 } |
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304 break; |
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305 } |
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306 default: |
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307 break; |
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308 }//switch iState |
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309 |
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310 if( percentageDone > iPercentageToBuffer ) |
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311 { |
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312 iPercentageToBuffer += KPercentageToBufferIncrement; |
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313 } |
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314 }//iFileOpened |
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315 |
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316 } |
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317 |
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318 /* |
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319 void CPdProperties::StartPaused() |
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320 { |
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321 #if _DEBUG |
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322 RDebug::Print(_L("ProgressiveDownload audio paused")); |
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323 #endif |
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324 iState = EPaused; |
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325 iAudioPdPlayUtility->Pause(); //Audio Pause |
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326 //iCallback->Paused(); |
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327 } |
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328 */ |
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329 |
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330 void CPdProperties::StartPlaying() |
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331 { |
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332 #if _DEBUG |
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333 RDebug::Print(_L("ProgressiveDownload audio play")); |
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334 #endif |
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335 |
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336 //Will disable automatic play if manual play was started. |
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337 TInt state = iAudioPdPlayUtility->CheckAudioPlayerState(); |
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338 |
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339 if(iState!=EPlaying) |
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340 { |
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341 iState = EPlaying; |
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342 |
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343 TTimeIntervalMicroSeconds timeposition(0); |
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344 TInt error = iAudioPdPlayUtility->GetPosition(timeposition); |
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345 |
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346 #if _DEBUG |
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347 RDebug::Print(_L("ProgressiveDownload SetPosition SavePos[%d] CurPos[%d]"), I64INT(iTimePosition.Int64()),I64INT(timeposition.Int64())); |
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348 #endif |
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349 |
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350 if(timeposition != iTimePosition) |
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351 { |
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352 iAudioPdPlayUtility->SetPosition(iTimePosition); |
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353 } |
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354 |
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355 iAudioPdPlayUtility->Play(); |
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356 //iCallback->Playing(); |
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357 } |
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358 } |
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359 |
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360 //From MMdaAudioPlayerCallback |
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361 void CPdProperties::MapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& aDuration) |
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362 { |
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363 |
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364 #if _DEBUG |
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365 RDebug::Print(_L("ProgressiveDownload file opened err =%d"),aError); |
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366 #endif |
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367 //iError = aError; |
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368 iOpenInProgress = EFalse; |
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369 |
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370 iState = EStopped; |
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371 |
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372 if( aError == KErrNone ) |
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373 { |
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374 if( aDuration > 0 ) |
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375 { |
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376 iFileOpened = ETrue; |
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377 } |
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378 else |
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379 { |
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380 #if _DEBUG |
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381 RDebug::Print(_L("ProgressiveDownload - Open failed - could not calculate duration")); |
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382 RDebug::Print(_L("metadata is at the end of file PD not supported")); |
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383 #endif |
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384 iFileOpened = EFalse; |
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385 return; |
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386 } |
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387 |
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388 if( iFileSize > 0 ) |
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389 { |
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390 TInt err = iAudioPdPlayUtility->SetFileSize(iFileSize); |
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391 #if _DEBUG |
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392 RDebug::Print(_L("CPdProperties::SetFileSize=%d err %d"),iFileSize,err); |
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393 #endif |
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394 } |
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395 // After init is complete successfully, playback is to be started |
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396 // automatically. |
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397 iState = EStoppedAutoResume; |
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398 } |
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399 iCallback->MapcInitComplete(aError,aDuration); |
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400 |
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401 //Last chance to automatically play a file with very fast download |
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402 //or when the file is in cache and there are only a couple of download events. |
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403 if ( (iDownloadCompleted) && (aError == KErrNone ) ) |
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404 { |
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405 StartPlaying(); |
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406 } |
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407 } |
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408 |
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409 void CPdProperties::MapcPlayComplete(TInt aError) |
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410 { |
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411 #if _DEBUG |
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412 RDebug::Print(_L("ProgressiveDownload play complete err=%d"),aError); |
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413 #endif |
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414 //iError = aError; |
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415 // Playback stopped due to lac of data (KErrUnderflow) |
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416 if( aError == KErrUnderflow ) |
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417 {// By now, Controller would've gone to STOPPED state and would've reset |
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418 // play position to zero. There is no point in querying position here. |
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419 TTimeIntervalMicroSeconds timeposition; |
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420 TInt error = iAudioPdPlayUtility->GetPosition(timeposition); |
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421 if(timeposition > iTimePosition) |
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422 { |
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423 iTimePosition = timeposition; |
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424 } |
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425 #if _DEBUG |
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426 RDebug::Print(_L("ProgressiveDownload GetPosition return [%d] error[%d]"), I64INT(iTimePosition.Int64()), error); |
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427 #endif |
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428 iState = EStoppedAutoResume; |
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429 iCallback->Paused(); |
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430 } |
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431 else |
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432 { |
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433 iState = EStopped; |
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434 iCallback->MapcPlayComplete(aError); |
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435 } |
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436 } |
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437 |
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438 void CPdProperties::Playing() |
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439 { |
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440 iCallback->Playing(); |
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441 } |
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442 |
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443 void CPdProperties::Paused() |
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444 { |
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445 iCallback->Paused(); |
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446 } |