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1 /* |
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2 * Copyright (c) 2009 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: Handles new position timer implementation |
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15 * |
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16 */ |
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17 |
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18 #include "positionupdatetimer.h" |
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19 #include <mdaaudiosampleplayer.h> |
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20 #include <videoplayer2.h> |
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21 #include <e32math.h> |
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22 |
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23 extern "C" { |
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24 #include "xarecorditfadaptationmmf.h" |
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25 } |
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26 |
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27 #define RET_ERR_IF_ERR(s) if (s!=KErrNone) return s; |
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28 #define RET_IF_ERR(s) if (s!=KErrNone) return; |
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29 |
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30 CPositionUpdateTimer::CPositionUpdateTimer( |
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31 CMdaAudioPlayerUtility* aAudioPlayer, |
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32 CVideoPlayerUtility2* aVideoPlayer) |
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33 :CActive(CActive::EPriorityStandard), |
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34 iAudioPlayer(aAudioPlayer), |
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35 iVideoPlayer(aVideoPlayer) |
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36 { |
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37 CActiveScheduler::Add(this); |
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38 } |
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39 |
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40 CPositionUpdateTimer::~CPositionUpdateTimer() |
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41 { |
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42 Cancel(); |
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43 iTimer.Close(); |
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44 } |
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45 |
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46 CPositionUpdateTimer* CPositionUpdateTimer::NewL( |
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47 CMdaAudioPlayerUtility* aAudioPlayer, |
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48 CVideoPlayerUtility2* aVideoPlayer) |
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49 { |
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50 CPositionUpdateTimer* self = new (ELeave)CPositionUpdateTimer(aAudioPlayer, aVideoPlayer); |
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51 CleanupStack::PushL(self); |
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52 self->CostructL(); |
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53 CleanupStack::Pop(self); |
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54 return self; |
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55 } |
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56 |
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57 void CPositionUpdateTimer::CostructL() |
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58 { |
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59 User::LeaveIfError(iTimer.CreateLocal()); |
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60 } |
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61 |
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62 void CPositionUpdateTimer::SetContext(TAny* aCtx) |
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63 { |
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64 iCtx = aCtx; |
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65 } |
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66 |
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67 void CPositionUpdateTimer::SetPositionUpdatePeriod(XAmillisecond aPos) |
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68 { |
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69 iPositionUpdatePeriod = aPos; |
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70 iDelay = TTimeIntervalMicroSeconds32(aPos*1000); |
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71 } |
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72 |
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73 void CPositionUpdateTimer::SetCallbackEventMask(XAuint32 aMask) |
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74 { |
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75 iCallbackEventMask = aMask; |
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76 } |
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77 |
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78 void CPositionUpdateTimer::RegisterCallback(xaPlayCallback aCallback) |
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79 { |
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80 iCallback = aCallback; |
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81 } |
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82 |
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83 void CPositionUpdateTimer::UseAudioPlayer() |
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84 { |
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85 iPlayerToUse = static_cast<CBase*>(iAudioPlayer); |
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86 } |
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87 void CPositionUpdateTimer::UseVideoPlayer() |
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88 { |
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89 iPlayerToUse = static_cast<CBase*>(iVideoPlayer); |
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90 } |
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91 |
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92 void CPositionUpdateTimer::ResetPlayer() |
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93 { |
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94 iPlayerToUse = NULL; |
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95 } |
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96 |
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97 TInt CPositionUpdateTimer::Start() |
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98 { |
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99 TInt retVal(KErrNone); |
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100 if (IsActive()) |
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101 { |
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102 Cancel(); |
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103 } |
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104 if ((iCallbackEventMask & XA_PLAYEVENT_HEADATNEWPOS) && |
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105 iCallback && |
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106 iPlayerToUse) |
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107 { |
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108 TTimeIntervalMicroSeconds curPlayPos; |
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109 /* Convert milli to micro */ |
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110 TTimeIntervalMicroSeconds posUpdatePeriod(iPositionUpdatePeriod * 1000); |
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111 TTimeIntervalMicroSeconds32 delay; |
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112 /* Convert milli to micro */ |
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113 TReal res; |
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114 TReal p; |
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115 TReal q(posUpdatePeriod.Int64()); |
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116 |
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117 iSyncToPlayHead = ETrue; |
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118 |
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119 retVal = GetCurrentPlayPosition(iSyncToPlayHeadStartPos); |
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120 RET_ERR_IF_ERR(retVal); |
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121 |
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122 p = iSyncToPlayHeadStartPos.Int64(); |
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123 /* Adjust delay based on current play position |
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124 * user may call this in the middle of playback */ |
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125 retVal = Math::Mod(res, p, q); |
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126 RET_ERR_IF_ERR(retVal); |
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127 |
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128 /* Let the timer go off early and then re-adjust |
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129 * the remaining time based on then current position */ |
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130 delay = (posUpdatePeriod.Int64() - res) / 2; |
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131 #ifdef POSITIONUPDATETIMERLOG |
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132 // Keep this block for debugging purposes |
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133 RDebug::Print(_L("CPositionUpdateTimer::RunL:SyncPlayHead[%u]Delay Reset[%u]microSec"), |
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134 iSyncToPlayHeadStartPos.Int64(), |
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135 delay.Int()); |
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136 #endif /* POSITIONUPDATETIMERLOG */ |
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137 if ( delay >= TTimeIntervalMicroSeconds32(0)) |
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138 { |
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139 iStatus = KRequestPending; |
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140 iTimer.After(iStatus, delay); |
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141 SetActive(); |
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142 } |
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143 } |
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144 return retVal; |
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145 } |
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146 |
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147 void CPositionUpdateTimer::Stop() |
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148 { |
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149 Cancel(); |
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150 } |
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151 |
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152 void CPositionUpdateTimer::RunL() |
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153 { |
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154 TInt retVal(KErrNone); |
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155 /* Make sure some of the attributes are not unset */ |
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156 if ((iStatus == KErrNone) && |
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157 iCtx && |
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158 (iCallbackEventMask & XA_PLAYEVENT_HEADATNEWPOS) && |
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159 iCallback && |
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160 iPlayerToUse) |
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161 { |
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162 TTimeIntervalMicroSeconds curPlayPos; |
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163 if (iSyncToPlayHead) |
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164 { |
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165 retVal = GetCurrentPlayPosition(curPlayPos); |
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166 RET_IF_ERR(retVal); |
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167 |
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168 /* If the play head hasn't moved, re-start all over again */ |
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169 if (curPlayPos == iSyncToPlayHeadStartPos) |
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170 { |
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171 #ifdef POSITIONUPDATETIMERLOG |
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172 RDebug::Print(_L("CPositionUpdateTimer::RunL:CurPlayPos[%u]SyncPlayHead[%u]microSec. Restart"), |
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173 iSyncToPlayHeadStartPos.Int64(), |
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174 curPlayPos.Int64()); |
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175 #endif /* POSITIONUPDATETIMERLOG */ |
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176 Start(); |
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177 return; |
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178 } |
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179 /* Play head has moved. calculate remaining time and set the timer */ |
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180 /* Convert milli to micro */ |
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181 TTimeIntervalMicroSeconds posUpdatePeriod(iPositionUpdatePeriod * 1000); |
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182 TReal res; |
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183 TReal p; |
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184 TReal q(posUpdatePeriod.Int64()); |
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185 |
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186 p = curPlayPos.Int64(); |
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187 iSyncToPlayHead = EFalse; |
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188 |
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189 retVal = Math::Mod(res, p, q); |
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190 RET_IF_ERR(retVal); |
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191 |
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192 TTimeIntervalMicroSeconds32 delay = (posUpdatePeriod.Int64() - res); |
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193 #ifdef POSITIONUPDATETIMERLOG |
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194 RDebug::Print(_L("CPositionUpdateTimer::RunL:CurPlayPos[%u]SyncPlayHead[%u]Delay Reset[%u]microSec"), |
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195 iSyncToPlayHeadStartPos.Int64(), |
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196 curPlayPos.Int64(), |
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197 delay.Int()); |
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198 #endif /* POSITIONUPDATETIMERLOG */ |
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199 if ( delay >= TTimeIntervalMicroSeconds32(0)) |
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200 { |
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201 iStatus = KRequestPending; |
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202 iTimer.After(iStatus, delay); |
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203 SetActive(); |
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204 } |
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205 return; |
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206 } /* of if (iSyncToPlayHead) */ |
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207 |
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208 #ifdef POSITIONUPDATETIMERLOG |
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209 retVal = GetCurrentPlayPosition(curPlayPos); |
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210 RDebug::Print(_L("CPositionUpdateTimer::RunL:CurPlayPos[%u]microSec. Posting XA_PLAYEVENT_HEADATNEWPOS."), curPlayPos.Int64()); |
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211 #endif /* POSITIONUPDATETIMERLOG */ |
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212 XAAdaptEvent xaevent = {XA_PLAYITFEVENTS, XA_PLAYEVENT_HEADATNEWPOS, 0, 0 }; |
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213 XAAdaptationBase_SendAdaptEvents((XAAdaptationBaseCtx*)iCtx, &xaevent ); |
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214 iStatus = KRequestPending; |
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215 iTimer.After(iStatus, iDelay); |
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216 SetActive(); |
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217 } |
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218 } |
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219 |
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220 void CPositionUpdateTimer::DoCancel() |
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221 { |
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222 iTimer.Cancel(); |
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223 } |
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224 |
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225 TInt CPositionUpdateTimer::RunError(TInt /*aError*/) |
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226 { |
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227 return KErrNone; |
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228 } |
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229 |
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230 TInt CPositionUpdateTimer::GetCurrentPlayPosition(TTimeIntervalMicroSeconds& aPos) |
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231 { |
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232 TTimeIntervalMicroSeconds pos; |
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233 TInt err(KErrNone); |
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234 if (iPlayerToUse == iAudioPlayer) |
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235 { |
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236 iAudioPlayer->GetPosition(aPos); |
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237 } |
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238 else if (iPlayerToUse == iVideoPlayer) |
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239 { |
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240 TRAP(err, aPos = iVideoPlayer->PositionL()); |
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241 } |
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242 return err; |
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243 } |