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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef TAVSRCSTREAMER_H |
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17 #define TAVSRCSTREAMER_H |
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18 |
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19 #include "tavsrc.h" |
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20 #include "tavsrcTimer.h" |
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21 #include "tavsrcStreamerUser.h" |
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22 |
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23 #include <f32file.h> |
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24 #include <rtp.h> |
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25 |
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26 static const TInt KLowTidemark = 2; |
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27 static const TInt KSendBucketSize = 2; |
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28 |
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29 #ifdef __WINS__ |
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30 _LIT(KSBCFileRoot, "c:\\"); |
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31 _LIT(KSBCFiles, "c:\\*.sbc"); |
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32 #else |
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33 //For reference boards, use the MMC drive, because C: is formatted every reboot |
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34 _LIT(KSBCFileRoot, "e:\\"); |
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35 _LIT(KSBCFiles, "e:\\*.sbc"); |
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36 #endif |
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37 |
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38 class CProgressBar; |
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39 class CStreamerUI; |
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40 class CActiveSockWriter; |
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41 class CActiveSockReader; |
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42 |
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43 class TSbcTrackFrameInfo |
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44 { |
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45 public: |
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46 TInt iFrameSize; |
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47 TUint iFrameCount; |
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48 }; |
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49 |
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50 // used to keep track of the sizes of the SBC frames to allow going backwards through |
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51 // an SBC file on a frame by frame basis. This is require to support VBR where the |
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52 // frame sizes can change for a single track. |
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53 class CSbcTrackInfo : public CBase |
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54 { |
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55 public: |
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56 ~CSbcTrackInfo(); |
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57 |
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58 TInt GetLastFrameSize(); |
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59 TInt AddNewFrame(TInt aFrameSize); |
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60 TInt RemoveLastFrame(); |
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61 void Reset(); |
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62 |
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63 private: |
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64 RArray<TSbcTrackFrameInfo> iFrameInfo; |
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65 }; |
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66 |
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67 class CActiveStreamer : public CBase, private MAdaptiveHighResPeriodicClient |
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68 { |
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69 public: |
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70 static CActiveStreamer* NewL(RSocketArray aSockets, |
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71 CConsoleBase& aConsole, |
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72 MActiveStreamerUser& aUser, |
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73 TUint aDisplayMode, |
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74 TBool aPreloadFile); |
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75 |
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76 ~CActiveStreamer(); |
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77 |
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78 static void RTPCallbackL(CActiveStreamer* aStreamer, const TRtpEvent& aEvent); |
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79 |
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80 // streamer operations |
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81 void Stream(TBool aIsSink); |
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82 void Suspend(); |
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83 void ReStream(); |
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84 void Stop(); |
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85 void Pause(); |
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86 void Faster(); |
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87 void Slower(); |
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88 void Backward(); |
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89 void Forward(); |
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90 void NextTrack(); |
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91 void PrevTrack(); |
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92 |
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93 private: |
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94 enum TDisplayMode |
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95 { |
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96 EStatusCommandWindows = 0x00, |
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97 EStreamerInfoWindow = 0x01, |
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98 EProgressBarWindow = 0x02, |
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99 EPlaylistWindow = 0x04, |
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100 EChunkyIconWindow = 0x08, |
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101 }; |
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102 |
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103 private: |
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104 CActiveStreamer(CConsoleBase& aConsole, MActiveStreamerUser& aUser, TUint aDisplayMode, TBool aPreloadFile); |
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105 |
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106 void TimerEvent(CAdaptiveHighResPeriodic& aTimer); |
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107 void TimerError(CAdaptiveHighResPeriodic& aTimer, TInt aError); |
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108 void StartSinkL(); |
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109 |
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110 void ConstructL(RSocketArray aSockets); |
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111 TInt LoadFile(); |
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112 void DoTimerEvent(); |
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113 void DestroyBucket(); |
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114 void InitL(); |
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115 |
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116 void CreateBucketL(); |
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117 void FillBucket(); |
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118 void Drip(); |
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119 void DrawBucket(); |
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120 void CheckJammed(); |
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121 |
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122 void UpdateFrameInfo(); |
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123 |
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124 private: |
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125 CConsoleBase& iConsole; |
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126 TInt iProgressBarPos; |
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127 CProgressBar* iProgressBar; |
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128 CStreamerUI* iStreamerUI; |
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129 CConsoleBase* iStreamingInfoConsole; |
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130 CAdaptiveHighResPeriodic* iTimer; |
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131 |
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132 RFile iFile; |
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133 RFs iRFs; |
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134 CDir* iFiles; |
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135 TInt iCurrentFile; |
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136 RSocketArray iSockets; |
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137 TInt iMTU; |
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138 TInt iFileSize; |
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139 TTime iStartTime; |
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140 |
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141 RRtpSession iSession; |
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142 RRtpSendSource iSendSource; |
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143 RRtpReceiveSource iReceiveSource; |
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144 |
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145 RArray<RRtpSendPacket> iSendPackets; // used like a queue sometimes |
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146 TRtpEventType iEventType; |
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147 TBool iRTPCanSend; |
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148 |
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149 TInt iSBCFrameBytesPerRTP; |
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150 TInt iSBCFrameSize; |
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151 TInt iSBCFrameInterval; |
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152 TInt iNumSBCFramesInRTP; |
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153 TInt iSBCBitrate; |
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154 TInt iSendClockInterval; // microsecs |
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155 TInt iNominalSendClockInterval;// microsecs |
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156 TBool iBonusDrip; |
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157 TTime iStartedTime; // for "absolute" timing style |
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158 |
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159 // checking for jammed streamer, and leaky mbufs |
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160 TInt iBucketAppearsJammed; |
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161 TBool iBucketJammed; |
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162 TTime iLastPacketSentTime; |
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163 TInt iPreviousFillLevel; |
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164 |
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165 TInt iPos; |
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166 TInt iFailedSend; |
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167 TInt iSent; |
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168 TInt iFillLevel; |
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169 |
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170 HBufC8* iFileBuf; |
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171 |
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172 // current SEP configuration |
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173 TInt iNumChannels; |
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174 TInt iChMode; |
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175 TInt iNumSubbands; |
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176 TInt iBlkLen; |
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177 TInt iBitPool; |
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178 TInt iFreq; |
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179 TInt iAllocMethod; |
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180 |
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181 MActiveStreamerUser& iUser; |
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182 |
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183 TUint iDisplayMode; |
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184 TBool iPreloadFile; |
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185 |
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186 CSbcTrackInfo iSbcTrackInfo; |
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187 |
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188 TInt iSbcFrameRate; |
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189 |
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190 TBool iDirectionForward; |
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191 }; |
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192 |
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193 #endif // TAVSRCSTREAMER_H |