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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * For checking the validity of Smart messaging ringing tone and for |
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16 * ripping the ringing tone title from binary data. |
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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 |
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22 // INCLUDE FILES |
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23 |
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24 #include <e32svr.h> |
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25 #include "RingBCToneConverter.h" |
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26 #include "NsmRingTone.h" |
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27 |
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28 #ifdef _DEBUG_ |
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29 #define DEBUG(s) RDebug::Print( _L(s) ) |
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30 #define DEBUG1(s,t) RDebug::Print( _L(s),t ) |
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31 #else |
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32 #define DEBUG(s) |
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33 #define DEBUG1(s,t) |
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34 #endif |
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35 |
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36 |
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37 |
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38 // LOCAL CONSTANTS AND MACROS |
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39 const TInt KCompMaxSongLength = 240; // maximum number of notes |
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40 |
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41 |
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42 // ================= MEMBER FUNCTIONS ======================= |
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43 |
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44 // --------------------------------------------------------- |
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45 // NewL() |
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46 // |
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47 // --------------------------------------------------------- |
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48 CRingBCNSMConverter* CRingBCNSMConverter::NewL() |
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49 { |
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50 CRingBCNSMConverter* self = new (ELeave) CRingBCNSMConverter(); |
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51 CleanupStack::PushL(self); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop(); // self |
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54 return self; |
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55 } |
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56 |
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57 // --------------------------------------------------------- |
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58 // CRingBCNSMConverter() |
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59 // |
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60 // --------------------------------------------------------- |
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61 CRingBCNSMConverter::CRingBCNSMConverter() |
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62 { |
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63 iScale = EScale2; |
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64 iStyle = EStyleNatural; |
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65 } |
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66 |
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67 // --------------------------------------------------------- |
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68 // CRingBCNSMConverter() |
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69 // |
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70 // --------------------------------------------------------- |
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71 void CRingBCNSMConverter::ConstructL() |
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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 // ~CRingBCNSMConverter() |
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77 // |
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78 // --------------------------------------------------------- |
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79 CRingBCNSMConverter::~CRingBCNSMConverter() |
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80 { |
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81 delete iCompData.iSongData; |
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82 } |
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83 |
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84 |
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85 // --------------------------------------------------------- |
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86 // ConvertNsmToCompDataL() |
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87 // |
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88 // --------------------------------------------------------- |
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89 TCompData* CRingBCNSMConverter::ConvertNsmToCompDataL( const TDesC8& aFileData ) |
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90 { |
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91 #ifdef _DEBUG_ |
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92 DEBUG( "***BEGIN" ); |
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93 #endif |
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94 |
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95 iReceivedNsmRTData.Set( aFileData ); |
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96 |
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97 iReadOnly = EFalse; |
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98 ResetForCompData(); |
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99 delete iCompData.iSongData; |
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100 iCompData.iSongData = NULL; |
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101 iCompData.iSongData = new(ELeave) CArrayFixFlat<TInstruction>( KCompMaxSongLength ); |
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102 |
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103 #ifdef _DEBUG_ |
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104 DEBUG1( "***NSM DATA LENGTH: %d", iReceivedNsmRTData.Length() ); |
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105 #endif |
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106 if( iReceivedNsmRTData.Length() == 0 ) |
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107 { |
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108 DEBUG( "!!!ZERO LENGTH" ); |
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109 User::Leave( KErrCorrupt ); |
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110 } |
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111 |
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112 TInt commandlength( 1 ); |
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113 while( commandlength != KrtCommandEnd && |
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114 iNsmPosition < iReceivedNsmRTData.Length() ) |
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115 { |
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116 commandlength = GetBits(KrtCommandLengthBits); |
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117 #ifdef _DEBUG_ |
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118 DEBUG1( "***NEXT CMD LENGTH: %d", commandlength ); |
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119 #endif |
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120 if (commandlength > 3) |
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121 { |
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122 DEBUG( "!!!CMD TOO LONG" ); |
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123 User::Leave( KErrCorrupt ); |
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124 } |
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125 |
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126 for (TInt i=0; i<commandlength; i++) |
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127 { |
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128 #ifdef _DEBUG_ |
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129 DEBUG1( "***CMD NUMBER %d", i ); |
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130 #endif |
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131 ProcessNsmRingToneCommandPartL(); |
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132 } |
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133 } |
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134 |
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135 return &iCompData; |
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136 } |
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137 |
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138 // --------------------------------------------------------- |
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139 // ProcessNsmRingToneCommandPartL() |
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140 // |
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141 // --------------------------------------------------------- |
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142 void CRingBCNSMConverter::ProcessNsmRingToneCommandPartL() |
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143 { |
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144 TInt commandpart( GetBits(KrtCommandPartBits) ); |
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145 #ifdef _DEBUG_ |
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146 DEBUG1( "***CMD PART: %d", commandpart ); |
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147 #endif |
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148 switch (commandpart) |
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149 { |
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150 case KrtCommandRTProgramming: |
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151 { |
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152 iNsmRTFlags |= KrtFlagRTProgramming; |
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153 break; |
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154 } |
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155 case KrtCommandUnicode: |
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156 { |
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157 iNsmRTFlags |= KrtFlagUnicode; |
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158 break; |
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159 } |
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160 case KrtCommandCancelCommand: |
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161 { |
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162 if (GetBits(KrtCommandPartBits) == KrtCommandUnicode) |
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163 { |
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164 iNsmRTFlags &= ~KrtFlagUnicode; |
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165 } |
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166 break; |
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167 } |
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168 case KrtCommandSound: |
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169 { |
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170 if ((iNsmRTFlags & KrtFlagRTProgramming) == 0) |
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171 { |
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172 DEBUG( "!!!CMD SOUND WITH NO RT PROGRAMMING" ); |
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173 User::Leave( KErrCorrupt ); |
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174 } |
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175 ProcessNsmRingToneSoundSpecL(); |
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176 break; |
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177 } |
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178 default: |
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179 { |
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180 // Ignore unknown commands |
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181 DEBUG( "???CMD UNKNOWN" ); |
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182 iReadOnly = ETrue; |
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183 break; |
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184 } |
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185 } |
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186 |
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187 GetBits(KrtFiller); // skip the filler bits |
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188 } |
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189 |
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190 // --------------------------------------------------------- |
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191 // ProcessNsmRingToneSoundSpecL() |
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192 // |
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193 // --------------------------------------------------------- |
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194 void CRingBCNSMConverter::ProcessNsmRingToneSoundSpecL() |
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195 { |
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196 TInt soundspec( GetBits(KrtSongTypeBits) ); |
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197 #ifdef _DEBUG_ |
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198 DEBUG1( "***SONG TYPE: %d", soundspec ); |
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199 #endif |
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200 switch (soundspec) |
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201 { |
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202 case KrtSongTypeBasic: |
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203 { |
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204 ProcessNsmRingToneSongTitleL(); |
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205 ProcessNsmRingToneSongL(); |
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206 break; |
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207 } |
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208 case KrtSongTypeTemporary: |
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209 { |
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210 ProcessNsmRingToneSongL(); |
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211 break; |
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212 } |
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213 default: |
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214 { |
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215 iReadOnly = ETrue; |
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216 break; |
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217 } |
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218 } |
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219 |
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220 iCompData.iSongLength = iCompDataPosition; |
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221 } |
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222 |
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223 // --------------------------------------------------------- |
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224 // ProcessNsmRingToneSongTitleL() |
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225 // |
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226 // --------------------------------------------------------- |
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227 void CRingBCNSMConverter::ProcessNsmRingToneSongTitleL() |
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228 { |
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229 TInt titlelength( GetBits(KrtSongTitleTextLengthBits) ); |
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230 DEBUG1( "***TITLE LENGTH %d", titlelength ); |
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231 |
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232 TInt charWidth( KrtDefaultCharBits ); |
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233 if( iNsmRTFlags & KrtFlagUnicode ) |
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234 { |
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235 charWidth = KrtUnicodeCharBits; |
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236 } |
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237 DEBUG1( "***TITLE CHAR WIDTH: %d", charWidth ); |
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238 |
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239 TBuf<KrtSongTitleMaxLength> title; |
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240 for( TInt i( 0 ); i < titlelength; i++ ) |
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241 { |
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242 title.Append( GetBits(charWidth) ); |
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243 } |
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244 DEBUG1( "***TITLE: %S", &title ); |
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245 |
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246 SetTitle( title ); |
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247 } |
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248 |
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249 // --------------------------------------------------------- |
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250 // ProcessNsmRingToneSong() |
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251 // |
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252 // --------------------------------------------------------- |
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253 void CRingBCNSMConverter::ProcessNsmRingToneSongL() |
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254 { |
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255 TInt songsequencelength( GetBits(KrtSongsequenceLengthBits) ); |
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256 DEBUG1( "***SEQUENCE LENGTH %d", songsequencelength ); |
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257 |
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258 /*if( songsequencelength == 0 ) |
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259 { |
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260 iReadOnly = ETrue; |
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261 }*/ |
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262 |
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263 for (TInt i( 0 ); i<songsequencelength; i++) |
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264 { |
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265 TInt patternheaderid( GetBits(KrtInstructionIdLengthBit) ); |
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266 DEBUG1( "***PATTERN HEADER ID: %d", patternheaderid ); |
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267 if (patternheaderid != EPatternHeaderId) |
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268 { |
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269 DEBUG( "!!!PATTERN HEADER ID INVALID" ); |
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270 User::Leave(KErrCorrupt); |
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271 } |
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272 |
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273 TInt patternid( GetBits(KrtPatternIdLengthBit) ); |
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274 DEBUG1( "***PATTERN ID: %d", patternid ); |
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275 TInt loopvalue( GetBits(KrtPatternLoopValueBits) ); |
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276 DEBUG1( "***PATTERN LOOP VALUE: %d", loopvalue ); |
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277 TInt patternspec( GetBits(KrtPatternSpecBits) ); |
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278 DEBUG1( "***PATTERN SPEC: %d", patternspec ); |
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279 |
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280 if( patternspec != KrtPatternDefined ) |
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281 { |
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282 DEBUG( "***PATTERN NOT DEFINED" ); |
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283 iNsmRTPatterns[patternid].iStart = iCompData.iSongData->Count(); |
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284 |
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285 for (TInt l( 0 ); l < patternspec && iCompDataPosition < KCompMaxSongLength; l++) |
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286 { |
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287 ProcessNsmRingTonePatternInstructionL(); |
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288 } |
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289 iNsmRTPatterns[patternid].iEnd = iCompDataPosition - 1; |
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290 } |
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291 // check if the pattern is really already defined before copying |
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292 TInt start( iNsmRTPatterns[patternid].iStart ); |
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293 TInt end( iNsmRTPatterns[patternid].iEnd ); |
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294 if( start < end ) |
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295 { |
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296 if( loopvalue < KrtPatternRepeatInfinite ) |
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297 { |
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298 for( TInt loopNum( 0 ); loopNum < loopvalue; loopNum++ ) // handle repeat |
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299 { |
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300 for (TInt k=start; (k<=end)&&(iCompDataPosition<KCompMaxSongLength); |
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301 k++, iCompDataPosition++) |
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302 { |
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303 iCompData.iSongData->AppendL( iCompData.iSongData->At( k ) ); |
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304 } |
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305 } |
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306 } |
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307 else // handle infinite repeat |
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308 { |
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309 while( iCompDataPosition<KCompMaxSongLength ) |
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310 { |
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311 for (TInt k=start; (k<=end)&&(iCompDataPosition<KCompMaxSongLength); |
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312 k++, iCompDataPosition++) |
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313 { |
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314 iCompData.iSongData->AppendL( iCompData.iSongData->At( k ) ); |
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315 } |
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316 } |
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317 } |
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318 } |
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319 } |
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320 } |
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321 |
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322 // --------------------------------------------------------- |
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323 // ProcessNsmRingTonePatternInstruction() |
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324 // |
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325 // --------------------------------------------------------- |
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326 void CRingBCNSMConverter::ProcessNsmRingTonePatternInstructionL() |
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327 { |
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328 TInt instructionid( GetBits(KrtInstructionIdLengthBit) ); |
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329 DEBUG1( "***INSTRUCTION ID: %d", instructionid ); |
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330 switch (instructionid) |
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331 { |
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332 case ENoteInstructionId: |
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333 { |
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334 DEBUG1( "***INSTRUCTION ID: NOTE", instructionid ); |
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335 ProcessNsmRingToneNoteInstructionL(iScale, iStyle); |
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336 break; |
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337 } |
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338 case EScaleInstructionId: |
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339 { |
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340 iScale = GetBits(KrtNoteScaleBits); |
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341 DEBUG1( "***INSTRUCTION SCALE: %d", iScale ); |
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342 break; |
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343 } |
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344 case EStyleInstructionId: |
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345 { |
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346 iStyle = GetBits(KrtNoteStyleBits); |
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347 DEBUG1( "***INSTRUCTION STYLE: %d", iStyle ); |
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348 if( iStyle == EStyleReserved ) |
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349 { |
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350 DEBUG( "???INSTRUCTION STYLE NOT SUPPORTED" ); |
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351 iReadOnly = ETrue; |
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352 } |
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353 break; |
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354 } |
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355 case ETempoInstructionId: |
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356 { |
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357 iCompData.iTempo = GetBits(KrtTempoBits); |
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358 DEBUG1( "***INSTRUCTION TEMPO: %d", iCompData.iTempo ); |
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359 if( iCompData.iTempo > ETempo250 ) |
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360 { |
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361 DEBUG( "???TEMPO TOO HIGH" ); |
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362 iReadOnly = ETrue; |
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363 } |
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364 break; |
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365 } |
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366 case EVolumeInstructionId: |
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367 { |
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368 DEBUG( "***INSTRUCTION VOLUME" ); |
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369 GetBits(KrtVolumebits); |
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370 break; |
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371 } |
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372 default: |
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373 { |
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374 DEBUG( "???INSTRUCTION NOT SUPPORTED" ); |
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375 iReadOnly = ETrue; |
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376 break; |
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377 } |
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378 } |
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379 } |
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380 |
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381 // --------------------------------------------------------- |
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382 // ProcessNsmRingToneNoteInstruction() |
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383 // |
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384 // --------------------------------------------------------- |
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385 void CRingBCNSMConverter::ProcessNsmRingToneNoteInstructionL(TInt aScale, TInt aStyle) |
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386 { |
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387 TInt notevalue( GetBits(KrtNoteValueBits) ); |
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388 DEBUG1( "***NOTE VALUE: %d", notevalue ); |
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389 if( notevalue != ENotePause && (notevalue > ENoteB |
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390 || iScale == EScale4 && notevalue > ENoteGis |
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391 || iScale == EScale1 && notevalue < ENoteG ) ) |
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392 { |
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393 DEBUG( "???NOTE VALUE OUT OF RANGE" ); |
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394 iReadOnly = ETrue; |
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395 } |
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396 |
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397 TInt noteduration( GetBits(KrtNoteDurationBits) ); |
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398 DEBUG1( "***NOTE DURATION: %d", noteduration ); |
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399 if( noteduration > EDurationThirtysecond ) |
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400 { |
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401 DEBUG( "???NOTE DURATION OUT OF RANGE" ); |
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402 iReadOnly = ETrue; |
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403 } |
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404 |
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405 TInt notedurspecifier( GetBits(KrtNoteDurSpecifierBits) ); |
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406 DEBUG1( "***NOTE DURATION SPECIFIER: %d", notedurspecifier); |
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407 if( notedurspecifier == EDurSpecifireDoubleDotted |
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408 || notedurspecifier > EDurSpecifierTriplet ) |
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409 { |
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410 DEBUG( "???NOTE DURATION SPECIFIER OUT OF RANGE" ); |
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411 iReadOnly = ETrue; |
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412 } |
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413 |
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414 TInstruction symbol; |
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415 symbol.iValue = notevalue; |
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416 symbol.iDuration = noteduration; |
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417 symbol.iDurspecifier = notedurspecifier; |
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418 symbol.iScale = aScale; |
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419 symbol.iStyle = aStyle; |
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420 |
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421 iCompData.iSongData->AppendL( symbol ); |
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422 iCompDataPosition ++; |
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423 } |
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424 |
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425 // --------------------------------------------------------- |
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426 // GetBits() |
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427 // |
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428 // --------------------------------------------------------- |
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429 TInt CRingBCNSMConverter::GetBits(TInt aNumBits) |
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430 { |
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431 TUint32 buf( 0 ); |
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432 if( aNumBits == 0 ) // handle byte alignment |
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433 { |
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434 if (iNsmPositionBit != 0) |
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435 { |
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436 iNsmPositionBit = 0; // skip filler bits |
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437 iNsmPosition ++; |
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438 } |
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439 return buf; |
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440 } |
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441 |
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442 for (TInt n=0; n<4; n++) |
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443 { |
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444 buf <<= 8; |
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445 if ( iNsmPosition+n < iReceivedNsmRTData.Length() ) |
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446 { |
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447 buf |= iReceivedNsmRTData[iNsmPosition+n]; |
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448 } |
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449 } |
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450 |
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451 TUint32 filter = 0; |
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452 buf = (buf >> (32 - iNsmPositionBit - aNumBits)) & ~(~filter << aNumBits); |
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453 |
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454 iNsmPositionBit += aNumBits; |
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455 while (iNsmPositionBit > 7) |
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456 { |
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457 iNsmPositionBit -= 8; |
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458 iNsmPosition ++; |
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459 } |
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460 return buf; |
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461 } |
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462 |
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463 // --------------------------------------------------------- |
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464 // ResetForCompData() |
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465 // |
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466 // --------------------------------------------------------- |
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467 void CRingBCNSMConverter::ResetForCompData() |
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468 { |
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469 iNsmRTPatterns[EPatternIdA].iStart = 0; |
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470 iNsmRTPatterns[EPatternIdA].iEnd = 0; |
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471 iNsmRTPatterns[EPatternIdB].iStart = 0; |
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472 iNsmRTPatterns[EPatternIdB].iEnd = 0; |
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473 iNsmRTPatterns[EPatternIdC].iStart = 0; |
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474 iNsmRTPatterns[EPatternIdC].iEnd = 0; |
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475 iNsmRTPatterns[EPatternIdD].iStart = 0; |
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476 iNsmRTPatterns[EPatternIdD].iEnd = 0; |
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477 iNsmRTFlags = 0; |
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478 iNsmPosition = 0; |
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479 iNsmPositionBit = 0; |
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480 iCompDataPosition = 0; |
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481 |
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482 iCompData.iTempo = KrtBpmDefault; |
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483 iCompData.iSongLength = 0; |
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484 } |
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485 |
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486 // --------------------------------------------------------- |
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487 // SetTitle() |
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488 // |
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489 // --------------------------------------------------------- |
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490 void CRingBCNSMConverter::SetTitle( const TDesC& aFileName ) |
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491 { |
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492 iCompData.iSongTitle = aFileName.Left( KrtSongTitleTextLength ); |
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493 } |
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494 |
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495 |
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496 // --------------------------------------------------------- |
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497 // TitleLC() |
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498 // |
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499 // --------------------------------------------------------- |
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500 HBufC* CRingBCNSMConverter::TitleLC(TPtr8& aFileData) |
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501 { |
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502 iReceivedCompData = ConvertNsmToCompDataL(aFileData); |
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503 |
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504 HBufC* titlePtr = iReceivedCompData->iSongTitle.AllocLC(); |
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505 return titlePtr; |
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506 } |
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507 |
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508 |
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509 // --------------------------------------------------------- |
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510 // IsRingToneMimeTypeL() |
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511 // |
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512 // --------------------------------------------------------- |
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513 TBool CRingBCNSMConverter::IsRingToneMimeTypeL(TPtr8& aFileData) |
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514 { |
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515 TRAPD( returnError, |
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516 iReceivedCompData = ConvertNsmToCompDataL(aFileData) ); |
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517 if( returnError != KErrCorrupt |
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518 && returnError != KErrNotSupported ) |
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519 { |
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520 User::LeaveIfError( returnError ); |
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521 } |
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522 |
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523 return returnError != KErrCorrupt; |
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524 } |
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525 // end of file |