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1 /* |
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2 * Copyright (c) 2002 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: This class is used for streaming audio. |
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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 // INCLUDE FILES |
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20 #include <mmf/server/mmfdes.h> |
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21 #include <audiopreference.h> |
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22 #include <logger.h> |
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23 |
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24 #include "cmmaaudiostreamplayer.h" |
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25 #include "cmmadatasourcestream.h" |
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26 #include "mmafunctionserver.h" |
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27 #include "cmmastreamhandler.h" |
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28 |
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29 const TInt KPlayerPriority = KAudioPriorityRecording; |
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30 _LIT(KMMAStreamErrorMessage, "Internal error: %d"); |
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31 |
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32 // Uid must be same as in S60StreamingSourceUIDs.hrh which is not exported from |
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33 // EnhancedAudioPlayerUtility/AudioStreaming/AudioStreamingSource. |
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34 const TUid KMMAMmfS60StreamingSourceUid = { 0x10207AF3 }; |
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35 |
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36 |
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37 CMMAAudioStreamPlayer* CMMAAudioStreamPlayer::NewLC( |
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38 CMMAMMFResolver* aResolver) |
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39 { |
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40 CMMAAudioStreamPlayer* self = new(ELeave) CMMAAudioStreamPlayer(aResolver); |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(); |
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43 return self; |
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44 } |
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45 |
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46 CMMAAudioStreamPlayer::~CMMAAudioStreamPlayer() |
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47 { |
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48 delete iStreamHandler; |
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49 } |
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50 |
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51 CMMAAudioStreamPlayer::CMMAAudioStreamPlayer( |
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52 CMMAMMFResolver* aResolver): |
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53 CMMAAudioPlayer(aResolver) |
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54 { |
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55 } |
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56 |
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57 void CMMAAudioStreamPlayer::ConstructL() |
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58 { |
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59 CMMAAudioPlayer::ConstructL(); |
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60 iStreamHandler = CMMAStreamHandler::NewL(*this, iController); |
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61 } |
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62 |
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63 TInt CMMAAudioStreamPlayer::DoOpen(TUid aSourceUid, |
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64 const TDesC8& aSourceData, |
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65 TUid aSinkUid, |
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66 const TDesC8& aSinkData, |
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67 TMMFPrioritySettings aPrioritySettings) |
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68 { |
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69 // Make sure any existing controller is closed. |
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70 iEventMonitor->Cancel(); |
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71 iController.Close(); |
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72 |
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73 // Try opening and configuring each controller in turn |
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74 TInt error = KErrNotSupported; |
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75 TInt index = 0; |
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76 |
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77 // Try controllers until found a good controller or out of list |
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78 while ((error != KErrNone) && |
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79 (index < iControllerInfos->Count())) |
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80 { |
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81 // Open the controller |
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82 error = iController.Open((*iControllerInfos)[ index ]->Uid(), |
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83 aPrioritySettings); |
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84 |
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85 // If the controller was opened without error, start receiving events from it. |
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86 if (!error) |
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87 { |
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88 iEventMonitor->Start(); |
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89 |
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90 // Add the data source to the controller. |
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91 error = iController.AddDataSource(aSourceUid, |
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92 aSourceData, |
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93 iStreamHandler->MessageDestination()); |
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94 } |
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95 |
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96 // Add the data sink |
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97 if (!error) |
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98 { |
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99 error = iController.AddDataSink(aSinkUid, aSinkData); |
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100 } |
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101 |
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102 // If an error occurred in any of the above, close the controller. |
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103 if (error) |
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104 { |
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105 iEventMonitor->Cancel(); |
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106 iController.Close(); |
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107 } |
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108 |
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109 index++; |
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110 } |
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111 |
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112 return error; |
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113 } |
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114 |
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115 CMMASourceStream* CMMAAudioStreamPlayer::AddSourceStreamL(JNIEnv* aJNIEnv, |
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116 MMAFunctionServer* aEventSource, |
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117 jobject aReader) |
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118 { |
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119 CMMADataSourceStream* sourceStream = CMMADataSourceStream::NewLC(aJNIEnv, |
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120 aEventSource, |
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121 aReader, |
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122 this); |
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123 User::LeaveIfError(iSourceStreams.Append(sourceStream)); |
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124 CleanupStack::Pop(sourceStream); |
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125 iStreamHandler->SetSourceStream(sourceStream); |
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126 return sourceStream; |
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127 } |
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128 |
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129 void CMMAAudioStreamPlayer::PrefetchL() |
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130 { |
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131 __ASSERT_DEBUG(iSourceStreams.Count() > 0, User::Invariant()); |
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132 |
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133 // player priority settings |
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134 TMMFPrioritySettings prioritySettings; |
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135 prioritySettings.iPriority = KPlayerPriority; |
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136 prioritySettings.iPref = EMdaPriorityPreferenceTimeAndQuality; |
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137 prioritySettings.iState = EMMFStatePlaying; |
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138 |
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139 User::LeaveIfError(DoOpen(KMMAMmfS60StreamingSourceUid, |
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140 KNullDesC8, |
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141 KUidMmfAudioOutput, |
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142 KNullDesC8, |
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143 prioritySettings)); |
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144 iStreamHandler->PrepareL(); |
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145 } |
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146 |
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147 void CMMAAudioStreamPlayer::StartL() |
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148 { |
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149 // If the player is in Prefetched state then it is implied that it has read "KMMAStreamRequestBufferSize" |
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150 // and it can be played |
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151 LOG1(EJavaMMAPI,EInfo,"CMMAAudioStreamPlayer::StartL() , state = %d",iState); |
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152 if (iState == EPrefetched) |
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153 { |
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154 |
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155 TInt64 time; |
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156 GetMediaTime(&time); |
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157 |
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158 // inform java side |
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159 PostLongEvent(CMMAPlayerEvent::EStarted, time); |
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160 |
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161 // go to started state |
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162 ChangeState(EStarted); |
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163 |
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164 PostActionCompleted(KErrNone); // java start return |
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165 } |
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166 iStreamHandler->StartL(); |
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167 } |
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168 |
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169 void CMMAAudioStreamPlayer::StopL(TBool aPostEvent) |
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170 { |
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171 LOG1(EJavaMMAPI, EInfo, "CMMAAudioStreamPlayer::Stop state %d", iState); |
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172 if (iState == EStarted) |
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173 { |
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174 User::LeaveIfError(Pause()); |
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175 |
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176 // go back to prefetched state |
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177 ChangeState(EPrefetched); |
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178 if (aPostEvent) |
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179 { |
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180 TInt64 time; |
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181 GetMediaTime(&time); |
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182 PostLongEvent(CMMAPlayerEvent::EStopped, time); |
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183 } |
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184 |
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185 } |
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186 LOG(EJavaMMAPI, EInfo, "CMMAAudioStreamPlayer::Stop OK"); |
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187 } |
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188 |
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189 TInt CMMAAudioStreamPlayer::Pause() |
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190 { |
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191 iStreamHandler->Pause(); |
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192 return iController.Pause(); |
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193 } |
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194 |
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195 void CMMAAudioStreamPlayer::PlayCompleteL(TInt aError) |
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196 { |
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197 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::PlayCompleteL error %d", |
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198 aError); |
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199 |
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200 // Before controller is started it must be primed |
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201 iControllerPrimed = EFalse; |
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202 |
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203 TInt64 time; |
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204 GetDuration(&time); |
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205 |
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206 // Send 'Stopped' only when stop() is called. |
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207 PostLongEvent(CMMAPlayerEvent::EEndOfMedia, time); |
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208 |
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209 ChangeState(EPrefetched); // ready to play again |
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210 |
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211 if (aError == KErrNone) |
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212 { |
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213 iRepeatCount++; |
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214 |
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215 if (iRepeatForever || iRepeatCount < iRepeatNumberOfTimes) |
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216 { |
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217 StartL(); |
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218 } |
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219 else |
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220 { |
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221 iRepeatCount = 0; |
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222 } |
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223 } |
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224 else |
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225 { |
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226 // error has occured, setting correct number of |
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227 // repeats for next start |
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228 SetLoopCount(iRepeatNumberOfTimes); |
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229 } |
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230 } |
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231 |
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232 void CMMAAudioStreamPlayer::GetDuration(TInt64* aDuration) |
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233 { |
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234 CMMAPlayer::GetDuration(aDuration); |
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235 } |
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236 |
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237 void CMMAAudioStreamPlayer::PrepareComplete(TInt aError) |
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238 { |
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239 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::PrepareComplete error %d", |
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240 aError); |
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241 if (aError == KErrNone) |
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242 { |
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243 ChangeState(EPrefetched); |
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244 } |
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245 PostActionCompleted(aError); // java prefetch return |
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246 } |
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247 |
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248 void CMMAAudioStreamPlayer::StartComplete(TInt aError) |
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249 { |
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250 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::StartComplete error %d", |
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251 aError); |
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252 |
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253 // do not start if player is deallocated or closed |
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254 // RateControl start can start controller in started state |
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255 if ((iState != EStarted) && |
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256 (iState != EPrefetched)) |
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257 { |
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258 return; |
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259 } |
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260 |
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261 TInt err = aError; |
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262 if (!iControllerPrimed) |
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263 { |
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264 // Prime must be called when player is started first time or restarted |
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265 LOG(EJavaMMAPI, EInfo, "MMA::CMMAAudioStreamPlayer::StartComplete PRIME"); |
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266 err = iController.Prime(); |
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267 iControllerPrimed = ETrue; |
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268 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::StartComplete prime error %d", |
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269 err); |
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270 } |
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271 else |
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272 { |
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273 err = KErrNone; |
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274 } |
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275 |
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276 TInt64 time; |
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277 if (err == KErrNone) |
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278 { |
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279 // must be primed before media time can be get |
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280 GetMediaTime(&time); |
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281 err = iController.Play(); |
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282 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::StartComplete play error %d", |
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283 err); |
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284 } |
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285 |
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286 // RateControl can start controller in started state, then Java event is |
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287 // not sent |
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288 if (err == KErrNone && iState != EStarted) |
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289 { |
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290 // move to started state and post started event |
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291 PostLongEvent(CMMAPlayerEvent::EStarted, time); |
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292 ChangeState(EStarted); |
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293 } |
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294 else |
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295 { |
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296 // post error event |
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297 HandleError(aError); |
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298 } |
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299 } |
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300 |
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301 void CMMAAudioStreamPlayer::HandleError(TInt aError) |
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302 { |
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303 ELOG1(EJavaMMAPI, "MMA::CMMAAudioStreamPlayer::HandleError error %d", |
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304 aError); |
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305 |
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306 TName errorMessage; |
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307 errorMessage.Format(KMMAStreamErrorMessage, aError); |
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308 PostStringEvent(CMMAPlayerEvent::EError, errorMessage); |
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309 } |
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310 |
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311 // END OF FILE |