1 /* |
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2 * Copyright (c) 2006-2008 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: Audio Stubs - Custom Interface for eAAC+ decoder. |
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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 #ifndef EAACPLUSDECODERINTFCCI_H |
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20 #define EAACPLUSDECODERINTFCCI_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include <EAacPlusDecoderIntfc.h> |
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25 |
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26 // CONSTANTS |
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27 |
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28 // MACROS |
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29 |
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30 // DATA TYPES |
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31 |
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32 // FUNCTION PROTOTYPES |
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33 |
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34 // FORWARD DECLARATIONS |
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35 |
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36 // CLASS DECLARATION |
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37 |
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38 /** |
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39 * Custom Interface for eAAC+ decoder. |
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40 * |
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41 * @lib EAacPlusDecoderIntfcCI_Stub.lib |
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42 * @since S60 3.0 |
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43 */ |
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44 class CEAacPlusDecoderIntfcCI : public CEAacPlusDecoderIntfc |
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45 { |
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46 public: // Constructors and destructor |
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47 |
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48 /** |
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49 * Two-phased constructor. |
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50 */ |
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51 IMPORT_C static CEAacPlusDecoderIntfcCI* NewL(); |
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52 |
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53 /** |
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54 * Destructor. |
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55 */ |
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56 IMPORT_C virtual ~CEAacPlusDecoderIntfcCI(); |
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57 |
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58 public: // New functions |
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59 |
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60 public: // Functions from CEAacPlusDecoderIntfc |
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61 |
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62 /** |
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63 * Configures decoder's profile defined by TAudioObjectType. |
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64 * @since S60 3.0 |
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65 * @param TAudioObjectType - Supported AAC profile. |
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66 * @return void |
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67 */ |
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68 IMPORT_C virtual void SetAudioObjectType( |
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69 TAudioObjectType aAudioObjectType); |
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70 |
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71 /** |
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72 * Configures decoder's input sampling frequency. |
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73 * @since S60 3.0 |
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74 * @param TUint - Decoder's input sampling frequency value. |
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75 * @return void |
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76 */ |
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77 IMPORT_C virtual void SetInputSamplingFrequency( |
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78 TUint aInputSamplingFrequency); |
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79 |
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80 /** |
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81 * Configures the number of channels to be used by the decoder. |
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82 * @since S60 3.0 |
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83 * @param TUint - Number of channels (stereo/mono). |
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84 * @return void |
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85 */ |
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86 IMPORT_C virtual void SetNumOfChannels(TUint aNumOfChannels); |
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87 |
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88 /** |
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89 * Configures decoder's spectral bandwidth replication (SBR). |
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90 * @since S60 3.0 |
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91 * @param TBool - Toggle SBR. |
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92 * @return void |
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93 */ |
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94 IMPORT_C virtual void SetSbr(TBool aSbrEnabled); |
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95 |
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96 /** |
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97 * Configures decoder's down-sampled mode (DSM). |
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98 * @since S60 3.0 |
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99 * @param TBool - Toggle DSM. |
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100 * @return void |
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101 */ |
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102 IMPORT_C virtual void SetDownSampledMode(TBool aDsmEnabled); |
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103 |
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104 /** |
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105 * Commits configuration settings to the decoder. |
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106 * @since S60 3.0 |
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107 * @return TInt - Status |
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108 */ |
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109 IMPORT_C virtual TInt ApplyConfig(); |
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110 |
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111 /** |
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112 * Returns decoder's AAC profile setting. |
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113 * @since S60 3.0 |
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114 * @param TAudioObjectType& - Reference to AAC profile. |
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115 * @return TInt - Status |
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116 */ |
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117 IMPORT_C virtual TInt GetAudioObjectType( |
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118 TAudioObjectType& aAudioObjectType); |
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119 |
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120 /** |
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121 * Returns decoder's input sampling frequency setting. |
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122 * @since S60 3.0 |
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123 * @param TUint& - Reference to input sampling frequency. |
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124 * @return TInt - Status |
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125 */ |
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126 IMPORT_C virtual TInt GetInputSamplingFrequency( |
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127 TUint& aInputSamplingFrequency); |
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128 |
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129 /** |
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130 * Returns decoder's channel setting. |
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131 * @since S60 3.0 |
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132 * @param TUint& - Reference to the number of channels. |
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133 * @return TInt - Status |
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134 */ |
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135 IMPORT_C virtual TInt GetNumOfChannels(TUint& aNumOfChannels); |
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136 |
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137 /** |
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138 * Returns decoder's SBR setting. |
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139 * @since S60 3.0 |
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140 * @param TBool& - Reference to the SBR setting. |
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141 * @return TInt - Status |
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142 */ |
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143 IMPORT_C virtual TInt GetSbr(TBool& aSbrEnabled); |
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144 |
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145 /** |
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146 * Returns decoder's DSM setting. |
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147 * @since S60 3.0 |
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148 * @param TBool& - Reference to the DSM setting. |
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149 * @return TInt - Status |
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150 */ |
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151 IMPORT_C virtual TInt GetDownSampledMode(TBool& aDsmEnabled); |
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152 |
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153 |
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154 protected: // New functions |
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155 |
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156 protected: // Functions from base classes |
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157 |
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158 private: |
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159 |
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160 /** |
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161 * C++ default constructor. |
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162 */ |
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163 CEAacPlusDecoderIntfcCI(); |
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164 |
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165 /** |
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166 * By default Symbian 2nd phase constructor is private. |
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167 */ |
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168 void ConstructL(); |
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169 |
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170 public: // Data |
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171 protected: // Data |
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172 private: // Data |
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173 |
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174 // Working config before ApplyConfig() |
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175 TAudioObjectType iAudioObjectType; |
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176 TUint iInputSamplingFrequency; |
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177 TUint iNumOfChannels; |
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178 TBool iSbrEnabled; |
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179 TBool iDsmEnabled; |
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180 |
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181 // Current config after ApplyConfig() |
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182 TAudioObjectType iCurrentAudioObjectType; |
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183 TUint iCurrentInputSamplingFrequency; |
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184 TUint iCurrentNumOfChannels; |
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185 TBool iCurrentSbrEnabled; |
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186 TBool iCurrentDsmEnabled; |
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187 |
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188 }; |
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189 |
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190 #endif // EAACPLUSDECODERINTFCCI_H |
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191 |
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192 // End of File |
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