1 /* |
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2 |
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3 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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4 |
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5 * All rights reserved. |
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6 |
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7 * This component and the accompanying materials are made available |
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8 |
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9 * under the terms of "Eclipse Public License v1.0" |
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10 |
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11 * which accompanies this distribution, and is available |
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12 |
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13 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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14 |
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15 * |
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16 |
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17 * Initial Contributors: |
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18 |
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19 * Nokia Corporation - initial contribution. |
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20 |
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21 * |
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22 |
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23 * Contributors: |
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24 |
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25 * |
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26 |
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27 * Description: Class definition for the frame table functions. |
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28 |
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29 * |
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30 |
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31 */ |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 // INCLUDES |
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38 |
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39 #include "FrameTable.h" |
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40 |
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41 #include "DebugMacros.h" |
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42 |
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43 #include <e32debug.h> |
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44 |
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45 |
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46 |
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47 // CONSTANTS |
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48 |
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49 const TInt KBuffersToKeep = 3; |
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50 |
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51 const TInt KLowResPeriodMs = 1000; // approximate interval for entries stored in low res table is 1 sec |
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52 |
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53 |
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54 |
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55 // ============================ MEMBER FUNCTIONS =============================== |
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56 |
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57 |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 |
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61 // CFrameTable::CFrameTable |
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62 |
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63 // C++ default constructor can NOT contain any code, that |
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64 |
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65 // might leave. |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 |
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69 // |
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70 |
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71 CFrameTable::CFrameTable() |
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72 |
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73 { |
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74 |
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75 } |
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76 |
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77 |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 |
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81 // CFrameTable::ConstructL |
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82 |
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83 // Symbian 2nd phase constructor can leave. |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 |
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87 // |
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88 |
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89 void CFrameTable::ConstructL() |
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90 |
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91 { |
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92 |
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93 DP0(_L("CFrameTable::ConstructL")); |
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94 |
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95 SetSourceReference(0,0); |
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96 |
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97 } |
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98 |
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99 |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 |
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103 // CFrameTable::NewL |
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104 |
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105 // Two-phased constructor. |
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106 |
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107 // ----------------------------------------------------------------------------- |
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108 |
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109 // |
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110 |
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111 EXPORT_C CFrameTable* CFrameTable::NewL() |
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112 |
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113 { |
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114 |
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115 DP0(_L("CFrameTable::NewL")); |
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116 |
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117 |
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118 |
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119 CFrameTable* self = new(ELeave) CFrameTable; |
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120 |
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121 CleanupStack::PushL(self); |
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122 |
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123 self->ConstructL(); |
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124 |
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125 CleanupStack::Pop(self); |
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126 |
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127 return self; |
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128 |
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129 } |
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130 |
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131 |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 |
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135 // CFrameTable::~CFrameTable |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 |
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139 // |
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140 |
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141 EXPORT_C CFrameTable::~CFrameTable() |
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142 |
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143 { |
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144 |
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145 DP0(_L("CFrameTable::~CFrameTable")); |
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146 |
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147 iFrameTable.Close(); |
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148 |
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149 iLowResFrameTable.Close(); |
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150 |
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151 } |
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152 |
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153 |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 |
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157 // CFrameTable::InitFrameTable |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 |
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161 // |
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162 |
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163 EXPORT_C TInt CFrameTable::InitFrameTable(TInt aSampleRate, TInt aSamplesPerFrame) |
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164 |
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165 { // this is only intended to be used at the very beginning of play since it clears the table |
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166 |
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167 DP2(_L("CFrameTable::InitFrameTable aSampleRate[%d], aSamplesPerFrame[%d]"), aSampleRate, aSamplesPerFrame); |
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168 |
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169 TInt status = KErrNone; |
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170 |
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171 ResetTable(); |
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172 |
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173 iSampleRate = aSampleRate; |
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174 |
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175 iSamplesPerFrame = aSamplesPerFrame; |
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176 |
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177 |
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178 |
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179 if ((iSampleRate> 0) && (iSamplesPerFrame> 0)) |
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180 |
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181 { |
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182 |
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183 iMsecPerFrame = (iSamplesPerFrame*1000)/iSampleRate; |
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184 |
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185 iFramesPerLowResInterval = ((iSampleRate*KLowResPeriodMs/1000) / iSamplesPerFrame); |
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186 |
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187 iLowResIntervalMs = (iSamplesPerFrame*1000*iFramesPerLowResInterval)/iSampleRate; |
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188 |
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189 } |
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190 |
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191 else |
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192 |
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193 { |
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194 |
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195 status = KErrArgument; |
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196 |
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197 } |
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198 |
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199 |
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200 |
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201 return status; |
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202 |
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203 } |
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204 |
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205 |
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206 |
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207 // 0 1 2 3 4 |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 |
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211 // CFrameTable::SubmitTableEntry |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 |
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215 // |
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216 |
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217 // The table will always have contiguous frames in it. |
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218 |
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219 EXPORT_C TInt CFrameTable::SubmitTableEntry(TUint aPos) |
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220 |
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221 { |
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222 |
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223 DP2(_L("CFrameTable::SubmitTableEntry aPos[%u], event pos[%u]"), aPos, iPosEventMs); |
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224 |
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225 TInt status = KErrNone; |
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226 |
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227 TBufRefPosEntry lastEntry; |
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228 |
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229 lastEntry.iPos = 0; |
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230 |
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231 TBufRefPosEntry bufRefPos; |
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232 |
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233 TUint frameNum; |
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234 |
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235 |
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236 |
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237 TUint pos = aPos+iOffset; // pos = absolute position (not including any header) |
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238 |
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239 |
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240 |
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241 if (aPos> 0) |
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242 |
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243 { |
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244 |
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245 iCurrentFrameCount++; // not a total frame count, but count from last reference set |
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246 |
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247 DP1(_L("CFrameTable::SubmitTableEntry iCurrentFrameCount[%u]"), iCurrentFrameCount); |
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248 |
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249 } |
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250 |
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251 |
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252 |
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253 TUint numEntries = iFrameTable.Count(); // this table will stay short - seeking backward resets it |
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254 |
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255 |
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256 |
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257 if (numEntries == 0) |
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258 |
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259 { // table gets reset if seeking in source |
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260 |
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261 bufRefPos.iPos = pos; |
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262 |
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263 bufRefPos.iFrameNum = iFrameNum; // first frame num is 0 so calculations for time 0 would point to frame 0 |
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264 |
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265 status = iFrameTable.Append(bufRefPos); |
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266 |
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267 ASSERT(status == KErrNone); |
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268 |
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269 numEntries = 1; |
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270 |
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271 DP2(_L("CFrameTable::SubmitTableEntry init pos[%u] framenum[%u]"), pos, iFrameNum); |
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272 |
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273 } |
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274 |
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275 else |
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276 |
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277 { |
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278 |
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279 lastEntry = iFrameTable[numEntries-1]; |
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280 |
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281 |
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282 |
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283 if (pos> lastEntry.iPos) |
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284 |
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285 { |
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286 |
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287 frameNum = lastEntry.iFrameNum + 1; |
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288 |
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289 bufRefPos.iPos = pos; |
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290 |
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291 bufRefPos.iFrameNum = frameNum; |
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292 |
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293 |
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294 |
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295 DP3 (_L ("CFrameTable::SubmitTableEntry, new entry iPos[%u], iFrameNum[%u], cnt[%u]"), bufRefPos.iPos, bufRefPos.iFrameNum, numEntries+1); |
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296 |
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297 |
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298 |
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299 status = iFrameTable.Append(bufRefPos); |
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300 |
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301 ASSERT(status == KErrNone); |
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302 |
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303 if (iOkToShrink) |
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304 |
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305 { |
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306 |
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307 DP0(_L("CFrameTable::SubmitTableEntry removing an entry ")); |
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308 |
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309 iFrameTable.Remove(0); |
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310 |
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311 } |
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312 |
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313 } |
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314 |
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315 else |
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316 |
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317 { |
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318 |
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319 status = KErrArgument; |
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320 |
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321 } |
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322 |
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323 } |
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324 |
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325 |
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326 |
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327 if (status == KErrNone) |
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328 |
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329 { |
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330 |
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331 SubmitLowResTableEntry(bufRefPos); // do this before events are detected below |
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332 |
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333 |
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334 |
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335 // total average bitrate - not instantaneous bitrate - used for duration calculation |
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336 |
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337 if (pos> iLastBytePos) |
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338 |
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339 { // don't recalculate if we rewind |
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340 |
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341 iLastBytePos = pos; // pos is absolute position - relative to the start of actual data content (not file start - no metadata) as set by the user. User maintains metadata offsets. |
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342 |
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343 TUint totalTimeMs = bufRefPos.iFrameNum*iMsecPerFrame; // total time in the table |
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344 |
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345 DP1(_L("CFrameTable::SubmitTableEntry totalTimeMs[%u]"), totalTimeMs); |
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346 |
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347 if (totalTimeMs> 0) |
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348 |
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349 { |
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350 |
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351 // cast calculation to TIn64 or it could lose precision |
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352 |
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353 TUint64 p = pos; |
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354 |
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355 p = p*8*1000; |
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356 |
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357 TUint64 t = totalTimeMs; |
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358 |
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359 iAvgBitrate = p/t; |
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360 |
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361 } |
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362 |
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363 } |
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364 |
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365 } |
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366 |
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367 |
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368 |
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369 // need to convert current position to time |
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370 |
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371 TInt currentTimeMs = iCurrentFrameCount*iMsecPerFrame + iTimeRefMs; // current time position being played |
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372 |
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373 DP3(_L("CFrameTable::SubmitTableEntry current calculated time ms[%u] iCurrentFrameCount[%u] timeref[%u]"), currentTimeMs, iCurrentFrameCount, iTimeRefMs); |
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374 |
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375 if (iPosEventMs> 0) |
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376 |
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377 { // used for seeking |
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378 |
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379 if (currentTimeMs >= iPosEventMs) |
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380 |
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381 { |
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382 |
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383 iPosEventMs = 0; |
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384 |
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385 DP0(_L("CFrameTable::SubmitTableEntry handle event pos reached")); |
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386 |
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387 iEventPos = pos; |
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388 |
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389 iObserver->HandleFrameTableEvent(EPosReached); |
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390 |
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391 } |
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392 |
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393 } |
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394 |
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395 |
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396 |
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397 if (iPlayWindowEndPosEventMs> 0) |
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398 |
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399 { |
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400 |
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401 if (currentTimeMs >= iPlayWindowEndPosEventMs) |
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402 |
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403 { |
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404 |
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405 iPlayWindowEndPosEventMs = 0; |
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406 |
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407 DP0(_L("CFrameTable::SubmitTableEntry handle event play window end pos reached")); |
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408 |
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409 iObserver->HandleFrameTableEvent(EPlayWindowEndPosReached); |
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410 |
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411 } |
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412 |
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413 } |
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414 |
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415 |
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416 |
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417 if (iIntervalEvent> 0) |
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418 |
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419 { |
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420 |
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421 if (iIntervalRef == 0) |
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422 |
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423 { |
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424 |
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425 iIntervalRef = currentTimeMs; |
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426 |
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427 } |
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428 |
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429 |
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430 |
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431 if ((currentTimeMs - iIntervalRef) >= iIntervalEvent) |
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432 |
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433 { |
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434 |
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435 iIntervalRef = currentTimeMs; |
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436 |
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437 iObserver->HandleFrameTableEvent(EDecodeInterval); |
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438 |
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439 } |
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440 |
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441 } |
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442 |
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443 |
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444 |
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445 DP1 (_L ("CFrameTable::SubmitTableEntry, avgBitRate[%u]"), iAvgBitrate); |
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446 |
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447 return status; |
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448 |
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449 } |
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450 |
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451 |
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452 |
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453 TInt CFrameTable::SubmitLowResTableEntry(TBufRefPosEntry& aEntry) |
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454 |
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455 { |
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456 |
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457 TInt status = KErrNone; |
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458 |
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459 TBufRefPosEntry lastEntry; |
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460 |
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461 |
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462 |
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463 TUint numEntries = iLowResFrameTable.Count(); |
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464 |
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465 if (numEntries == 0) |
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466 |
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467 { |
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468 |
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469 status = iLowResFrameTable.Append(aEntry); |
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470 |
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471 ASSERT(status == KErrNone); |
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472 |
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473 return status; |
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474 |
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475 } |
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476 |
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477 |
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478 |
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479 lastEntry = iLowResFrameTable[numEntries-1]; |
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480 |
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481 |
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482 |
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483 ASSERT(aEntry.iFrameNum <= lastEntry.iFrameNum + iFramesPerLowResInterval); |
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484 |
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485 // note that 0 position table entries can be submitted to the table before it is initialized. |
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486 |
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487 // If this happens, iFramesPerLowResInterval would still be 0 and the same entry might be appended again |
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488 |
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489 // so we have a check to make sure that doesn't happen. |
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490 |
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491 if ((aEntry.iFrameNum == lastEntry.iFrameNum + iFramesPerLowResInterval) && |
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492 |
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493 (iFramesPerLowResInterval != 0)) |
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494 |
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495 { |
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496 |
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497 DP3 (_L ("CFrameTable::SubmitLowResTableEntry, new entry aEntry.iFrameNum[%u], lastEntry.iFrameNum[%u], iFramesPerLowResInterval[%u]"), aEntry.iFrameNum, lastEntry.iFrameNum, iFramesPerLowResInterval); |
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498 |
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499 DP3 (_L ("CFrameTable::SubmitLowResTableEntry, new entry iPos[%u], iFrameNum[%u], cnt[%u]"), aEntry.iPos, aEntry.iFrameNum, numEntries+1); |
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500 |
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501 |
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502 |
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503 status = iLowResFrameTable.Append(aEntry); |
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504 |
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505 ASSERT(status == KErrNone); |
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506 |
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507 } |
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508 |
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509 else |
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510 |
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511 { |
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512 |
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513 status = KErrArgument; |
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514 |
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515 } |
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516 |
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517 |
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518 |
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519 return status; |
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520 |
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521 } |
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522 |
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523 |
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524 |
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525 // ----------------------------------------------------------------------------- |
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526 |
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527 // CFrameTable::FindFramePosFromTime |
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528 |
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529 // ----------------------------------------------------------------------------- |
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530 |
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531 // |
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532 |
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533 /* |
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534 |
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535 Looks in the table for the frame position associated with the given time. |
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536 |
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537 It will return the position and also the time for that frame. |
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538 |
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539 If not found, an error will be returned, and the time and position will be |
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540 |
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541 the closest available in the table. |
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542 |
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543 */ |
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544 |
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545 EXPORT_C TInt CFrameTable::FindFramePosFromTime(TUint& aTimeMs, TUint& aPos) |
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546 |
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547 { |
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548 |
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549 DP2(_L("CFrameTable::FindFramePosFromTime time[%u], pos[%u]"), aTimeMs, aPos); |
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550 |
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551 TInt stat = KErrNone; |
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552 |
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553 // TUint in msec can represent 1193 hours |
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554 |
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555 TInt tableIndex; |
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556 |
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557 |
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558 |
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559 // special case for time = 0 |
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560 |
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561 if (aTimeMs == 0) |
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562 |
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563 { |
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564 |
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565 aPos = 0; |
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566 |
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567 DP0(_L("CFrameTable::FindFramePosFromTime time=0 pos=0")); |
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568 |
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569 return KErrNone; |
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570 |
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571 } |
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572 |
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573 |
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574 |
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575 TUint countlr = iLowResFrameTable.Count(); |
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576 |
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577 if ((countlr == 0) || (iMsecPerFrame == 0)) |
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578 |
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579 { |
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580 |
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581 DP2(_L("CFrameTable::FindFramePosFromTime not ready countlr[%u] iMsecPerFrame[%u]"), countlr, iMsecPerFrame); |
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582 |
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583 return KErrNotReady; |
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584 |
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585 } |
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586 |
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587 TUint frame = aTimeMs/iMsecPerFrame; // calc frame number |
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588 |
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589 DP1(_L("CFrameTable::FindFramePosFromTime looking for frame[%u]"), frame); |
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590 |
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591 |
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592 |
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593 // check hi-res table first |
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594 |
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595 TUint count = iFrameTable.Count(); |
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596 |
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597 if (count == 0) |
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598 |
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599 { |
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600 |
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601 stat = KErrNotFound; // use low-res table |
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602 |
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603 } |
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604 |
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605 else |
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606 |
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607 { |
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608 |
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609 TUint frame0 = iFrameTable[0].iFrameNum; // first frame available (table can shrink) |
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610 |
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611 DP1(_L("CFrameTable::FindFramePosFromTime frame0[%u]"), frame0); |
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612 |
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613 if (frame >= frame0) // frame might be in table |
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614 |
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615 |
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616 |
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617 { |
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618 |
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619 tableIndex = frame - frame0; // calc index into table |
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620 |
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621 DP1(_L("CFrameTable::FindFramePosFromTime tableIndex[%u]"), tableIndex); |
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622 |
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623 if (tableIndex >= count) |
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624 |
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625 { |
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626 |
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627 stat = KErrNotFound; // use low-res table |
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628 |
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629 DP0(_L("CFrameTable::FindFramePosFromTime not found in hi-res")); |
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630 |
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631 } |
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632 |
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633 else |
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634 |
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635 { |
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636 |
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637 aPos = iFrameTable[tableIndex].iPos; |
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638 |
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639 iFrameNum = iFrameTable[tableIndex].iFrameNum; // iFrameNum provides frame num after hi-res table is reset |
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640 |
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641 aTimeMs = iFrameNum * iMsecPerFrame; |
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642 |
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643 DP4(_L("CFrameTable::FindFramePosFromTime aTimeMs[%u] iFrameNum[%u] iSamplesPerFrame[%u] iSampleRate[%u]"), |
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644 |
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645 aTimeMs,iFrameNum,iSamplesPerFrame,iSampleRate); |
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646 |
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647 } |
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648 |
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649 } |
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650 |
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651 else |
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652 |
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653 { |
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654 |
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655 stat = KErrNotFound; // use low-res table |
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656 |
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657 } |
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658 |
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659 } |
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660 |
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661 if (stat == KErrNotFound) |
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662 |
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663 { // check low-res table |
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664 |
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665 DP0(_L("CFrameTable::FindFramePosFromTime looking in low-res table")); |
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666 |
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667 if (iFramesPerLowResInterval> 0) |
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668 |
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669 { // first frame is always 0 in low res table - don't need to subtract frame[0] |
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670 |
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671 tableIndex = frame/iFramesPerLowResInterval; // calc index into table |
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672 |
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673 DP3(_L("CFrameTable::FindFramePosFromTime tableIndex[%d] frame[%u] iFramesPerLowResInterval[%u]"), |
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674 |
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675 tableIndex,frame,iFramesPerLowResInterval); |
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676 |
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677 if (tableIndex < countlr) |
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678 |
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679 { |
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680 |
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681 aPos = iLowResFrameTable[tableIndex].iPos; |
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682 |
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683 iFrameNum = iLowResFrameTable[tableIndex].iFrameNum; // iFrameNum provides frame num after hi-res table is reset |
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684 |
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685 aTimeMs = iFrameNum * iMsecPerFrame; |
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686 |
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687 stat = KErrNone; |
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688 |
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689 } |
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690 |
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691 } |
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692 |
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693 } |
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694 |
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695 |
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696 |
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697 if (stat == KErrNotFound) |
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698 |
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699 { // use last in low-res table |
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700 |
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701 aPos = iLowResFrameTable[countlr-1].iPos; |
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702 |
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703 iFrameNum = iLowResFrameTable[countlr-1].iFrameNum; // iFrameNum provides frame num after hi-res table is reset |
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704 |
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705 aTimeMs = iFrameNum * iMsecPerFrame; |
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706 |
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707 } |
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708 |
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709 DP4(_L("CFrameTable::FindFramePosFromTime time[%u], pos[%u], stat[%d] iFrameNum sync[%u]"), aTimeMs, aPos, stat, iFrameNum); |
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710 |
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711 return stat; |
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712 |
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713 } |
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714 |
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715 |
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716 |
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717 EXPORT_C TInt CFrameTable::FindFrameTimeFromPos(TUint& aTimeMs, TUint& aPos) |
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718 |
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719 { |
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720 |
|
721 DP1(_L("CFrameTable::FindFrameTimeFromPos pos[%u]"), aPos); |
|
722 |
|
723 TInt stat = KErrNotFound; |
|
724 |
|
725 // TBufRefPosEntry temp; // used for array search |
|
726 |
|
727 // temp.iFrameNum = 0; |
|
728 |
|
729 // temp.iPos = aPos; |
|
730 |
|
731 |
|
732 |
|
733 // stat = iFrameTable.SpecificFindInUnsignedKeyOrder(temp, EArrayFindMode_First); |
|
734 |
|
735 TUint count = iFrameTable.Count(); |
|
736 |
|
737 for (TUint i=0; i<count; i++) |
|
738 |
|
739 { |
|
740 |
|
741 if (iFrameTable[i].iPos >= aPos) |
|
742 |
|
743 { |
|
744 |
|
745 stat = i; |
|
746 |
|
747 DP4(_L("CFrameTable::FindFrameTimeFromPos hi-res first[%u] last[%u] count[%u] stat[%d]"), |
|
748 |
|
749 iFrameTable[0].iPos, iFrameTable[count-1].iPos, count, stat); |
|
750 |
|
751 break; |
|
752 |
|
753 } |
|
754 |
|
755 } |
|
756 |
|
757 #ifdef _DEBUG |
|
758 |
|
759 if(count == 0) |
|
760 |
|
761 { |
|
762 |
|
763 DP0(_L("CFrameTable::FindFrameTimeFromPos hi-res Frame Table: Empty")); |
|
764 |
|
765 } |
|
766 |
|
767 #endif |
|
768 |
|
769 |
|
770 |
|
771 if (stat == KErrNotFound) |
|
772 |
|
773 { |
|
774 |
|
775 // stat = iLowResFrameTable.SpecificFindInUnsignedKeyOrder(temp, EArrayFindMode_First); |
|
776 |
|
777 count = iLowResFrameTable.Count(); |
|
778 |
|
779 for (TUint i=0; i<count; i++) |
|
780 |
|
781 { |
|
782 |
|
783 if (iLowResFrameTable[i].iPos >= aPos) |
|
784 |
|
785 { |
|
786 |
|
787 stat = i; |
|
788 |
|
789 DP4(_L("CFrameTable::FindFrameTimeFromPos lo-res first[%u] last[%u] count[%u] stat[%d]"), |
|
790 |
|
791 iLowResFrameTable[0].iPos, iLowResFrameTable[count-1].iPos, count, stat); |
|
792 |
|
793 break; |
|
794 |
|
795 } |
|
796 |
|
797 } |
|
798 |
|
799 #ifdef _DEBUG |
|
800 |
|
801 if(count == 0) |
|
802 |
|
803 { |
|
804 |
|
805 DP0(_L("CFrameTable::FindFrameTimeFromPos lo-res Frame Table: Empty")); |
|
806 |
|
807 } |
|
808 |
|
809 #endif |
|
810 |
|
811 |
|
812 |
|
813 if (stat != KErrNotFound) |
|
814 |
|
815 { |
|
816 |
|
817 aPos = iLowResFrameTable[stat].iPos; |
|
818 |
|
819 aTimeMs = iLowResFrameTable[stat].iFrameNum * iMsecPerFrame; |
|
820 |
|
821 iFrameNum = iLowResFrameTable[stat].iFrameNum; // iFrameNum provides frame num after hi-res table is reset |
|
822 |
|
823 DP3(_L("CFrameTable::FindFrameTimeFromPos lo-res iFrameNum[%u] indx[%d] iFrameNum sync[%u]"), iLowResFrameTable[stat].iFrameNum, stat, iFrameNum); |
|
824 |
|
825 } |
|
826 |
|
827 } |
|
828 |
|
829 else |
|
830 |
|
831 { |
|
832 |
|
833 aPos = iFrameTable[stat].iPos; |
|
834 |
|
835 aTimeMs = iFrameTable[stat].iFrameNum * iMsecPerFrame; |
|
836 |
|
837 iFrameNum = iFrameTable[stat].iFrameNum; // iFrameNum provides frame num after hi-res table is reset |
|
838 |
|
839 DP3(_L("CFrameTable::FindFrameTimeFromPos hi-res iFrameNum[%u] indx[%d] iFrameNum sync[%u]"), iFrameTable[stat].iFrameNum, stat, iFrameNum); |
|
840 |
|
841 } |
|
842 |
|
843 |
|
844 |
|
845 DP3(_L("CFrameTable::FindFrameTimeFromPos time[%u] pos[%u] indxstat[%d]"), aTimeMs, aPos, stat); |
|
846 |
|
847 if (stat> 0) |
|
848 |
|
849 { |
|
850 |
|
851 stat = KErrNone; |
|
852 |
|
853 } |
|
854 |
|
855 return stat; |
|
856 |
|
857 } |
|
858 |
|
859 |
|
860 |
|
861 // ----------------------------------------------------------------------------- |
|
862 |
|
863 // CFrameTable::LastFramePos |
|
864 |
|
865 // ----------------------------------------------------------------------------- |
|
866 |
|
867 // |
|
868 |
|
869 EXPORT_C TInt CFrameTable::LastFramePos(TUint& aPos) |
|
870 |
|
871 { |
|
872 |
|
873 TInt stat = KErrNotFound; |
|
874 |
|
875 TInt stat1 = KErrNotFound; |
|
876 |
|
877 TInt stat2 = KErrNotFound; |
|
878 |
|
879 TUint count; |
|
880 |
|
881 TInt pos1 = 0; |
|
882 |
|
883 TInt pos2 = 0; |
|
884 |
|
885 |
|
886 |
|
887 count = iFrameTable.Count(); |
|
888 |
|
889 DP1(_L("CFrameTable::LastFramePos count[%u]"), count); |
|
890 |
|
891 if (count> 0) |
|
892 |
|
893 { |
|
894 |
|
895 pos1 = iFrameTable[count-1].iPos; |
|
896 |
|
897 stat1 = KErrNone; |
|
898 |
|
899 DP1(_L("CFrameTable::LastFramePos last pos in hi-res[%d]"), pos1); |
|
900 |
|
901 } |
|
902 |
|
903 |
|
904 |
|
905 count = iLowResFrameTable.Count(); |
|
906 |
|
907 DP1(_L("CFrameTable::LastFramePos lr count[%u]"), count); |
|
908 |
|
909 if (count> 0) |
|
910 |
|
911 { |
|
912 |
|
913 pos2 = iLowResFrameTable[count-1].iPos; |
|
914 |
|
915 stat2 = KErrNone; |
|
916 |
|
917 DP1(_L("CFrameTable::LastFramePos last pos in low-res[%d]"), pos2); |
|
918 |
|
919 } |
|
920 |
|
921 |
|
922 |
|
923 if ((stat1 == KErrNone) && (stat2 == KErrNone)) |
|
924 |
|
925 { |
|
926 |
|
927 aPos = Max(pos1, pos2); |
|
928 |
|
929 stat = KErrNone; |
|
930 |
|
931 } |
|
932 |
|
933 else if (stat1 == KErrNone) |
|
934 |
|
935 { |
|
936 |
|
937 aPos = pos1; |
|
938 |
|
939 stat = KErrNone; |
|
940 |
|
941 } |
|
942 |
|
943 else if (stat2 == KErrNone) |
|
944 |
|
945 { |
|
946 |
|
947 aPos = pos2; |
|
948 |
|
949 stat = KErrNone; |
|
950 |
|
951 } |
|
952 |
|
953 DP1(_L("CFrameTable::LastFramePos aPos[%d]"), aPos); |
|
954 |
|
955 |
|
956 |
|
957 return stat; |
|
958 |
|
959 } |
|
960 |
|
961 |
|
962 |
|
963 // ----------------------------------------------------------------------------- |
|
964 |
|
965 // CFrameTable::LastFrameTime |
|
966 |
|
967 // ----------------------------------------------------------------------------- |
|
968 |
|
969 // |
|
970 |
|
971 EXPORT_C TInt CFrameTable::LastFrameTime(TUint& aTimeMs) |
|
972 |
|
973 { |
|
974 |
|
975 DP0(_L("CFrameTable::LastFrameTime")); |
|
976 |
|
977 TInt stat = KErrNotFound; |
|
978 |
|
979 TInt stat1 = KErrNotFound; |
|
980 |
|
981 TInt stat2 = KErrNotFound; |
|
982 |
|
983 TUint count; |
|
984 |
|
985 TUint frameNum = 0; |
|
986 |
|
987 TInt frameNum1 = 0; |
|
988 |
|
989 TInt frameNum2 = 0; |
|
990 |
|
991 |
|
992 |
|
993 count = iFrameTable.Count(); |
|
994 |
|
995 if (count> 0) |
|
996 |
|
997 { |
|
998 |
|
999 frameNum1 = iFrameTable[count-1].iFrameNum; |
|
1000 |
|
1001 stat1 = KErrNone; |
|
1002 |
|
1003 } |
|
1004 |
|
1005 |
|
1006 |
|
1007 count = iLowResFrameTable.Count(); |
|
1008 |
|
1009 if (count> 0) |
|
1010 |
|
1011 { |
|
1012 |
|
1013 frameNum2 = iLowResFrameTable[count-1].iFrameNum; |
|
1014 |
|
1015 stat2 = KErrNone; |
|
1016 |
|
1017 } |
|
1018 |
|
1019 |
|
1020 |
|
1021 if ((stat1 == KErrNone) && (stat2 == KErrNone)) |
|
1022 |
|
1023 { |
|
1024 |
|
1025 frameNum = Max(frameNum1, frameNum2); |
|
1026 |
|
1027 stat = KErrNone; |
|
1028 |
|
1029 } |
|
1030 |
|
1031 else if (stat1 == KErrNone) |
|
1032 |
|
1033 { |
|
1034 |
|
1035 frameNum = frameNum1; |
|
1036 |
|
1037 stat = KErrNone; |
|
1038 |
|
1039 } |
|
1040 |
|
1041 else if (stat2 == KErrNone) |
|
1042 |
|
1043 { |
|
1044 |
|
1045 frameNum = frameNum2; |
|
1046 |
|
1047 stat = KErrNone; |
|
1048 |
|
1049 } |
|
1050 |
|
1051 |
|
1052 |
|
1053 aTimeMs = frameNum * iMsecPerFrame; |
|
1054 |
|
1055 DP2(_L("CFrameTable::LastFrameTime time[%u] frame[%u]"),aTimeMs,frameNum); |
|
1056 |
|
1057 |
|
1058 |
|
1059 return stat; |
|
1060 |
|
1061 } |
|
1062 |
|
1063 |
|
1064 |
|
1065 // ----------------------------------------------------------------------------- |
|
1066 |
|
1067 // CFrameTable::ResetTable |
|
1068 |
|
1069 // ----------------------------------------------------------------------------- |
|
1070 |
|
1071 // |
|
1072 |
|
1073 EXPORT_C void CFrameTable::ResetTable() |
|
1074 |
|
1075 { |
|
1076 |
|
1077 DP0(_L("CFrameTable::ResetTable")); |
|
1078 |
|
1079 |
|
1080 |
|
1081 iFrameTable.Reset(); |
|
1082 |
|
1083 iBufCnt = 0; |
|
1084 |
|
1085 iOkToShrink = EFalse; |
|
1086 |
|
1087 } |
|
1088 |
|
1089 |
|
1090 |
|
1091 // ----------------------------------------------------------------------------- |
|
1092 |
|
1093 // CFrameTable::ShrinkTable |
|
1094 |
|
1095 // ----------------------------------------------------------------------------- |
|
1096 |
|
1097 // |
|
1098 |
|
1099 EXPORT_C void CFrameTable::ShrinkTable() |
|
1100 |
|
1101 { // gets called from controller decoder when switching to next buffer |
|
1102 |
|
1103 DP0(_L("CFrameTable::ShrinkTable")); |
|
1104 |
|
1105 if (iBufCnt < KBuffersToKeep) |
|
1106 |
|
1107 { |
|
1108 |
|
1109 iBufCnt++; |
|
1110 |
|
1111 } |
|
1112 |
|
1113 else |
|
1114 |
|
1115 { |
|
1116 |
|
1117 iOkToShrink = ETrue; |
|
1118 |
|
1119 DP0(_L("CFrameTable::ShrinkTable ok to shrink")); |
|
1120 |
|
1121 } |
|
1122 |
|
1123 } |
|
1124 |
|
1125 |
|
1126 |
|
1127 EXPORT_C TInt CFrameTable::SetSourceReference(TUint aTimeMs, TUint aPos) |
|
1128 |
|
1129 { // if position is unknown it should always be set to 0 as the reference offset and time will be used instead |
|
1130 |
|
1131 // This is used to set the offset which is added to future frame positions submitted |
|
1132 |
|
1133 // This frame table can get reset when seeking and needs to know where it is in the source |
|
1134 |
|
1135 DP2(_L("CFrameTable::SetOffset, aTimeMs[%u], aPos[%u]"), aTimeMs, aPos); |
|
1136 |
|
1137 TInt stat = KErrNone; |
|
1138 |
|
1139 iTimeRefMs = aTimeMs; |
|
1140 |
|
1141 iCurrentFrameCount = 0; |
|
1142 |
|
1143 iIntervalRef = 0; |
|
1144 |
|
1145 iOffset = aPos; |
|
1146 |
|
1147 if (aTimeMs == 0) |
|
1148 |
|
1149 { |
|
1150 |
|
1151 iFrameNum = 0; |
|
1152 |
|
1153 } |
|
1154 |
|
1155 if (iFrameTable.Count() == 0) |
|
1156 |
|
1157 { // this is to make sure the table has at least one entry in case playback looks for a position in the buffers after seeking |
|
1158 |
|
1159 SubmitTableEntry(0); |
|
1160 |
|
1161 // iCurrentFrameCount--; // since this is not a decoded frame |
|
1162 |
|
1163 } |
|
1164 |
|
1165 return stat; |
|
1166 |
|
1167 } |
|
1168 |
|
1169 |
|
1170 |
|
1171 // ----------------------------------------------------------------------------- |
|
1172 |
|
1173 // CFrameTable::RegisterForEvent |
|
1174 |
|
1175 // ----------------------------------------------------------------------------- |
|
1176 |
|
1177 // |
|
1178 |
|
1179 EXPORT_C TInt CFrameTable::RegisterForEvent(TFrameTableEvent aEvent, |
|
1180 |
|
1181 MFrameTableEventObserver* aObserver, |
|
1182 |
|
1183 TUint aParam) |
|
1184 |
|
1185 { |
|
1186 |
|
1187 DP2(_L("CFrameTable::RegisterForEvent event[%d] param[%u]"), aEvent, aParam); |
|
1188 |
|
1189 |
|
1190 |
|
1191 TInt status = KErrNone; |
|
1192 |
|
1193 iObserver = aObserver; |
|
1194 |
|
1195 |
|
1196 |
|
1197 switch (aEvent) |
|
1198 |
|
1199 { |
|
1200 |
|
1201 case EPosReached: |
|
1202 |
|
1203 iPosEventMs = aParam; |
|
1204 |
|
1205 break; |
|
1206 |
|
1207 |
|
1208 |
|
1209 case EPlayWindowEndPosReached: |
|
1210 |
|
1211 iPlayWindowEndPosEventMs = aParam; |
|
1212 |
|
1213 break; |
|
1214 |
|
1215 |
|
1216 |
|
1217 case EDecodeInterval: |
|
1218 |
|
1219 |
|
1220 |
|
1221 if (aParam> 0) // msec |
|
1222 |
|
1223 |
|
1224 |
|
1225 { |
|
1226 |
|
1227 iIntervalRef = 0; |
|
1228 |
|
1229 iIntervalEvent = aParam; |
|
1230 |
|
1231 } |
|
1232 |
|
1233 else |
|
1234 |
|
1235 return KErrArgument; |
|
1236 |
|
1237 |
|
1238 |
|
1239 break; |
|
1240 |
|
1241 |
|
1242 |
|
1243 default: |
|
1244 |
|
1245 status = KErrUnknown; |
|
1246 |
|
1247 break; |
|
1248 |
|
1249 } |
|
1250 |
|
1251 |
|
1252 |
|
1253 return status; |
|
1254 |
|
1255 } |
|
1256 |
|
1257 |
|
1258 |
|
1259 // ----------------------------------------------------------------------------- |
|
1260 |
|
1261 // CFrameTable::UnRegisterForEvent |
|
1262 |
|
1263 // ----------------------------------------------------------------------------- |
|
1264 |
|
1265 // |
|
1266 |
|
1267 EXPORT_C TInt CFrameTable::UnRegisterForEvent(TFrameTableEvent aEvent, MFrameTableEventObserver* /*aObserver*/) |
|
1268 |
|
1269 { |
|
1270 |
|
1271 DP1(_L("CFrameTable::UnRegisterForEvent event[%d]"), aEvent); |
|
1272 |
|
1273 |
|
1274 |
|
1275 TInt status = KErrNone; |
|
1276 |
|
1277 |
|
1278 |
|
1279 switch (aEvent) |
|
1280 |
|
1281 { |
|
1282 |
|
1283 case EPosReached: |
|
1284 |
|
1285 iPosEventMs = 0; |
|
1286 |
|
1287 break; |
|
1288 |
|
1289 |
|
1290 |
|
1291 case EPlayWindowEndPosReached: |
|
1292 |
|
1293 iPlayWindowEndPosEventMs = 0; |
|
1294 |
|
1295 break; |
|
1296 |
|
1297 |
|
1298 |
|
1299 case EDecodeInterval: |
|
1300 |
|
1301 iIntervalEvent = 0; |
|
1302 |
|
1303 break; |
|
1304 |
|
1305 |
|
1306 |
|
1307 default: |
|
1308 |
|
1309 status = KErrUnknown; |
|
1310 |
|
1311 break; |
|
1312 |
|
1313 } |
|
1314 |
|
1315 |
|
1316 |
|
1317 return status; |
|
1318 |
|
1319 } |
|
1320 |
|
1321 |
|
1322 |
|
1323 // ----------------------------------------------------------------------------- |
|
1324 |
|
1325 // CFrameTable::Bitrate |
|
1326 |
|
1327 // ----------------------------------------------------------------------------- |
|
1328 |
|
1329 // |
|
1330 |
|
1331 EXPORT_C TInt CFrameTable::Bitrate() |
|
1332 |
|
1333 { |
|
1334 |
|
1335 return iAvgBitrate; |
|
1336 |
|
1337 } |
|
1338 |
|
1339 |
|
1340 |
|
1341 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
|
1342 |
|
1343 |
|
1344 |
|
1345 // ----------------------------------------------------------------------------- |
|
1346 |
|
1347 // CFrameTable::CalcFrameFromTimeMs |
|
1348 |
|
1349 // ----------------------------------------------------------------------------- |
|
1350 |
|
1351 // |
|
1352 |
|
1353 TUint CFrameTable::CalcFrameFromTimeMs(TUint aTimeMs) |
|
1354 |
|
1355 { // TUint in msec can represent 1193 hours |
|
1356 |
|
1357 TUint frame = 0; |
|
1358 |
|
1359 |
|
1360 |
|
1361 if (iMsecPerFrame > 0) |
|
1362 |
|
1363 { |
|
1364 |
|
1365 frame = aTimeMs/iMsecPerFrame; |
|
1366 |
|
1367 } |
|
1368 |
|
1369 |
|
1370 |
|
1371 return frame; |
|
1372 |
|
1373 } |
|
1374 |
|
1375 |
|
1376 |
|
1377 EXPORT_C TInt CFrameTable::IsSeeking(TBool& aIsSeeking) |
|
1378 |
|
1379 { |
|
1380 |
|
1381 aIsSeeking = (iPosEventMs> 0); |
|
1382 |
|
1383 return KErrNone; |
|
1384 |
|
1385 } |
|
1386 |
|
1387 |
|
1388 |
|
1389 EXPORT_C TInt CFrameTable::GetLastPosEvent(TUint& aPos) |
|
1390 |
|
1391 { |
|
1392 |
|
1393 aPos = iEventPos; |
|
1394 |
|
1395 return KErrNone; |
|
1396 |
|
1397 } |
|
1398 |
|
1399 |
|
1400 |
|
1401 // End of File |
|
1402 |
|
1403 |
|
1404 |
|