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1 /* |
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2 * Copyright (c) 2004-2005 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 the License "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: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 #include <e32base.h> |
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23 #include "IptvDebug.h" |
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24 #include <barsread.h> |
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25 #include <barsc.h> |
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26 #include <bautils.h> |
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27 #include <iptvmimesupport.rsg> |
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28 #include "CIptvMediaContent.h" |
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29 #include "CIptvTerminalVideoSupport.h" |
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30 #include "TIptvMimeType.h" |
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31 |
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32 // CONSTANTS |
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33 _LIT(KIptvMimeResourceFile, "\\Resource\\Apps\\Iptvmimesupport.RSC"); |
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34 _LIT(KIptvMimeRootC, "C:"); |
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35 _LIT(KIptvMimeRootE, "E:"); |
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36 _LIT(KIptvMimeRootF, "F:"); |
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37 _LIT(KIptvMimeRootZ, "Z:"); |
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38 const TInt KIptvMaxDrives = 4; |
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39 |
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40 // ============================ MEMBER FUNCTIONS =============================== |
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41 |
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42 // --------------------------------------------------------- |
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43 // CIptvTerminalVideoSupport::ConstructL |
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44 // Symbian 2nd phase constructor can leave. |
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45 // --------------------------------------------------------- |
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46 // |
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47 void CIptvTerminalVideoSupport::ConstructL() |
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48 { |
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49 IPTVLOGSTRING_LOW_LEVEL("CIptvTerminalVideoSupport::ConstructL"); |
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50 |
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51 LoadResourceL(); |
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52 } |
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53 |
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54 // --------------------------------------------------------- |
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55 // CIptvTerminalVideoSupport::LoadResourceL |
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56 // |
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57 // --------------------------------------------------------- |
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58 // |
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59 void CIptvTerminalVideoSupport::LoadResourceL() |
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60 { |
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61 IPTVLOGSTRING_LOW_LEVEL("CIptvTerminalVideoSupport::LoadResourceL"); |
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62 |
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63 RFs fs; |
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64 User::LeaveIfError(fs.Connect()); |
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65 RResourceFile file; |
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66 TFileName filename; |
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67 TBool open = EFalse; |
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68 |
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69 for (TInt i = 0; i < KIptvMaxDrives; i++) |
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70 { |
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71 switch (i) |
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72 { |
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73 case 0: |
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74 { |
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75 filename.Copy(KIptvMimeRootC); |
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76 filename.Append(KIptvMimeResourceFile); |
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77 } |
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78 break; |
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79 case 1: |
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80 { |
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81 filename.Copy(KIptvMimeRootE); |
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82 filename.Append(KIptvMimeResourceFile); |
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83 } |
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84 break; |
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85 case 2: |
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86 { |
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87 filename.Copy(KIptvMimeRootF); |
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88 filename.Append(KIptvMimeResourceFile); |
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89 } |
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90 break; |
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91 case 3: |
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92 { |
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93 filename.Copy(KIptvMimeRootZ); |
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94 filename.Append(KIptvMimeResourceFile); |
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95 } |
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96 break; |
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97 default: |
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98 { |
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99 } |
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100 break; |
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101 } |
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102 |
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103 TRAPD(error, file.OpenL(fs, filename)); |
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104 if (error == KErrNone) |
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105 { |
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106 open = ETrue; |
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107 break; |
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108 } |
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109 } |
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110 |
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111 if (open) |
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112 { |
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113 CleanupClosePushL(file); |
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114 file.ConfirmSignatureL(); |
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115 HBufC8* buffer = file.AllocReadLC(R_SUP_MIME_TYPE_LIST); |
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116 LoadMimeTypesL(buffer); |
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117 CleanupStack::PopAndDestroy(); // buffer |
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118 CleanupStack::PopAndDestroy(); // file |
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119 } |
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120 fs.Close(); |
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121 } |
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122 |
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123 // --------------------------------------------------------- |
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124 // CIptvTerminalVideoSupport::LoadMimeTypesL |
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125 // |
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126 // --------------------------------------------------------- |
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127 // |
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128 void CIptvTerminalVideoSupport::LoadMimeTypesL(const HBufC8* aBuffer) |
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129 { |
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130 IPTVLOGSTRING_LOW_LEVEL("CIptvTerminalVideoSupport::LoadMimeTypesL"); |
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131 |
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132 if (aBuffer) |
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133 { |
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134 TResourceReader reader; |
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135 reader.SetBuffer(aBuffer); |
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136 |
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137 TUint32 version = reader.ReadUint32(); |
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138 TInt count = reader.ReadInt16(); |
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139 |
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140 for (TInt i = 0; i < count; i++) |
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141 { |
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142 TIptvMimeType type; |
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143 HBufC* mimeType = reader.ReadHBufCL(); |
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144 CleanupStack::PushL(mimeType); |
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145 |
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146 if (mimeType) |
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147 { |
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148 TInt length = mimeType->Length(); |
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149 TInt dataToCopy = Min(length, KIptvCAMimeTypeLength); |
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150 type.iMimeType.Copy(mimeType->Mid(0, dataToCopy)); |
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151 } |
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152 |
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153 type.iMaxBitrate = reader.ReadUint32(); |
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154 type.iMaxScreensizeH = reader.ReadUint32(); |
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155 type.iMaxScreensizeV = reader.ReadUint32(); |
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156 type.iMaxFramerate = reader.ReadUint32(); |
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157 |
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158 iMimeTypes.AppendL(type); |
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159 CleanupStack::PopAndDestroy(mimeType); |
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160 } |
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161 } |
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162 } |
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163 |
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164 // --------------------------------------------------------- |
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165 // CIptvTerminalVideoSupport::NewL |
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166 // Two-phased constructor. |
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167 // --------------------------------------------------------- |
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168 // |
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169 EXPORT_C CIptvTerminalVideoSupport* CIptvTerminalVideoSupport::NewL() |
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170 { |
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171 CIptvTerminalVideoSupport* self = new(ELeave) CIptvTerminalVideoSupport(); |
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172 CleanupStack::PushL(self); |
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173 |
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174 self->ConstructL(); |
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175 |
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176 CleanupStack::Pop(self); |
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177 return self; |
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178 } |
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179 |
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180 // --------------------------------------------------------- |
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181 // CIptvTerminalVideoSupport::~CIptvTerminalVideoSupport |
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182 // Destructor |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 CIptvTerminalVideoSupport::~CIptvTerminalVideoSupport() |
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186 { |
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187 iMimeTypes.Close(); |
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188 } |
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189 |
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190 // --------------------------------------------------------- |
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191 // CIptvTerminalVideoSupport::CIptvTerminalVideoSupport |
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192 // C++ default constructor |
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193 // --------------------------------------------------------- |
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194 // |
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195 CIptvTerminalVideoSupport::CIptvTerminalVideoSupport() |
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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 // CIptvTerminalVideoSupport::SelectMimeTypeL |
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201 // |
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202 // --------------------------------------------------------- |
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203 // |
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204 EXPORT_C TInt CIptvTerminalVideoSupport::SelectMimeTypeL(RPointerArray<CIptvMediaContent>& aMediaContents) |
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205 { |
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206 IPTVLOGSTRING_LOW_LEVEL("CIptvTerminalVideoSupport::SelectMimeTypeL"); |
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207 |
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208 CIptvMediaContent* bestContent = NULL; |
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209 TInt priority = 0; |
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210 TInt index = 0; |
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211 |
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212 TInt count = aMediaContents.Count(); |
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213 for (TInt i = 0; i < count; i++) |
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214 { |
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215 TInt mimeTypeCount = iMimeTypes.Count(); |
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216 for (TInt j = 0; j < mimeTypeCount; j++) |
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217 { |
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218 // Compare is current media content's mime-type supported. |
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219 // Mime-types are in priorized order in iMimeTypes array, best is first. |
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220 if (aMediaContents[i]->iMimeType.Compare(iMimeTypes[j].iMimeType) == 0) |
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221 { |
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222 // No best content yet. No comparison needed to previous best content. |
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223 if (!bestContent) |
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224 { |
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225 if (aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate && |
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226 aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeV && |
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227 aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeH && |
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228 aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate) |
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229 { |
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230 index = i; |
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231 bestContent = aMediaContents[i]; |
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232 IPTVLOGSTRING_LOW_LEVEL(""); |
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233 IPTVLOGSTRING_LOW_LEVEL("First best content selected!:"); |
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234 IPTVLOGSTRING_LOW_LEVEL(""); |
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235 bestContent->PrintL(); |
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236 priority = j; |
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237 break; |
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238 } |
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239 } |
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240 else |
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241 { |
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242 // We already have some content as a best content. Let's compare |
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243 // is new content better than previous. If is -> we got new best content. |
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244 // Notice!! j = 0 is best priority because best mime-type is fist in array! |
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245 if (j < priority) |
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246 { |
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247 if (aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate && |
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248 aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeV && |
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249 aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeH && |
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250 aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate) |
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251 { |
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252 IPTVLOGSTRING_LOW_LEVEL(""); |
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253 IPTVLOGSTRING_LOW_LEVEL("Best content changed from:"); |
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254 bestContent->PrintL(); |
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255 priority = j; |
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256 index = i; |
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257 bestContent = aMediaContents[i]; |
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258 |
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259 IPTVLOGSTRING_LOW_LEVEL(""); |
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260 IPTVLOGSTRING_LOW_LEVEL("To:"); |
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261 bestContent->PrintL(); |
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262 } |
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263 } |
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264 // Same priority ex. same mime-type. Let's use another parameters. |
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265 else if (j == priority) |
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266 { |
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267 // New contents bitrate is better that previous best content's. |
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268 if ((aMediaContents[i]->iBitrate > bestContent->iBitrate && aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate) && |
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269 aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeV && |
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270 aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeH && |
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271 aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate) |
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272 { |
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273 IPTVLOGSTRING_LOW_LEVEL(""); |
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274 IPTVLOGSTRING_LOW_LEVEL("Best content changed from:"); |
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275 bestContent->PrintL(); |
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276 |
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277 index = i; |
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278 bestContent = aMediaContents[i]; |
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279 |
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280 IPTVLOGSTRING_LOW_LEVEL(""); |
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281 IPTVLOGSTRING_LOW_LEVEL("To:"); |
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282 bestContent->PrintL(); |
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283 } |
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284 // New contens horizontal screensize is better than previous best content's |
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285 else if (aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate && |
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286 (aMediaContents[i]->iHeight > bestContent->iHeight && aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeH) && |
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287 aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeH && |
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288 aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate) |
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289 { |
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290 IPTVLOGSTRING_LOW_LEVEL(""); |
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291 IPTVLOGSTRING_LOW_LEVEL("Best content changed from:"); |
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292 bestContent->PrintL(); |
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293 |
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294 index = i; |
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295 bestContent = aMediaContents[i]; |
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296 |
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297 IPTVLOGSTRING_LOW_LEVEL(""); |
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298 IPTVLOGSTRING_LOW_LEVEL("To:"); |
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299 bestContent->PrintL(); |
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300 } |
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301 // New contents vertical screensize is better that previous best content's |
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302 else if (aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate && |
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303 aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeV && |
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304 (aMediaContents[i]->iWidth > bestContent->iWidth && aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeV) && |
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305 aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate) |
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306 { |
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307 IPTVLOGSTRING_LOW_LEVEL(""); |
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308 IPTVLOGSTRING_LOW_LEVEL("Best content changed from:"); |
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309 bestContent->PrintL(); |
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310 index = i; |
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311 bestContent = aMediaContents[i]; |
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312 |
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313 IPTVLOGSTRING_LOW_LEVEL(""); |
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314 IPTVLOGSTRING_LOW_LEVEL("To:"); |
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315 bestContent->PrintL(); |
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316 } |
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317 // New contents framerate is better than previous best content's |
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318 else if (aMediaContents[i]->iBitrate <= iMimeTypes[j].iMaxBitrate && |
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319 aMediaContents[i]->iHeight <= iMimeTypes[j].iMaxScreensizeV && |
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320 aMediaContents[i]->iWidth <= iMimeTypes[j].iMaxScreensizeH && |
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321 (aMediaContents[i]->iFramerate > bestContent->iFramerate && aMediaContents[i]->iFramerate <= iMimeTypes[j].iMaxFramerate)) |
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322 { |
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323 IPTVLOGSTRING_LOW_LEVEL(""); |
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324 IPTVLOGSTRING_LOW_LEVEL("Best content changed from:"); |
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325 bestContent->PrintL(); |
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326 index = i; |
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327 bestContent = aMediaContents[i]; |
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328 |
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329 IPTVLOGSTRING_LOW_LEVEL(""); |
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330 IPTVLOGSTRING_LOW_LEVEL("To:"); |
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331 bestContent->PrintL(); |
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332 } |
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333 } |
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334 } |
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335 } |
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336 } |
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337 } |
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338 |
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339 if (bestContent) |
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340 { |
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341 return index; |
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342 } |
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343 else |
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344 { |
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345 return KErrNotFound; |
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346 } |
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347 } |
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348 |
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349 // End of file |