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1 /* |
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2 * Copyright (c) 2004 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: Class is used for configuring comfornt noise codec. |
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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 #ifndef __MCC_CODEC_CN_H__ |
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22 #define __MCC_CODEC_CN_H__ |
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23 |
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24 // INCLUDES |
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25 #include <e32cmn.h> |
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26 #include "mmcccodecinformation.h" |
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27 |
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28 // CONSTANTS |
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29 |
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30 const TInt KCnPTime = 20; |
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31 const TInt KCnMaxPTime = 200; |
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32 const TUint KCnSamplingFreq = 8000; |
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33 |
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34 // MACROS |
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35 |
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36 // DATA TYPES |
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37 |
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38 // FUNCTION PROTOTYPES |
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39 |
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40 // FORWARD DECLARATIONS |
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41 |
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42 // CLASS DECLARATION |
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43 /** |
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44 * Container class for the codec information. |
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45 * |
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46 * @lib mmccinterface.dll |
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47 * |
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48 */ |
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49 NONSHARABLE_CLASS( CMccCodecCn ) : public CMccCodecInformation |
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50 { |
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51 public: // Constructors and destructor |
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52 |
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53 /** |
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54 * Two-phased constructor. |
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55 */ |
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56 static CMccCodecCn* NewL(); |
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57 |
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58 /** |
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59 * Destructor. |
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60 */ |
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61 virtual ~CMccCodecCn(); |
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62 |
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63 public: // New functions |
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64 |
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65 public: // From CMccCodecInformation |
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66 |
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67 /** |
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68 * From CMccCodecInformation |
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69 */ |
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70 TBool RequireSignalling( const CMccCodecInformation& aCandidate ) const; |
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71 |
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72 /** |
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73 * From CMccCodecInformation |
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74 */ |
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75 CMccCodecInformation* CloneDefaultsL(); |
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76 |
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77 /** |
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78 * From CMccCodecInformation |
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79 */ |
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80 CMccCodecInformation* CloneDetailedL(); |
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81 |
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82 /** |
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83 * From CMccCodecInformation. Enable / Disable Voice Activity Detection. |
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84 * @since Series 60 3.0 |
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85 * @param aEnableVAD Boolean indicating whether to enable Voice Activity Detection |
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86 * @return KErrNotSupported if codec doesn't support VAD; otherwise KErrNone. |
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87 */ |
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88 TInt EnableVAD( TBool aEnableVAD ); |
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89 |
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90 /** |
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91 * From CMccCodecInformation. Sets bitrate used with codec. |
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92 * @since Series 60 3.0 |
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93 * @param aBitrate New bitrate value |
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94 * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone. |
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95 */ |
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96 TInt SetBitrate( TUint aBitrate ); |
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97 |
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98 /** |
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99 * From CMccCodecInformation. Sets the sampling frequency. |
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100 * @since Series 60 3.0 |
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101 * @param aSamplingFreq Sampling frequency to be used |
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102 * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone. |
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103 */ |
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104 TInt SetSamplingFreq( TUint32 aSamplingFreq ); |
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105 |
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106 /** |
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107 * From CMccCodecInformation. Sets the packet rate. |
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108 * @since Series 60 3.0 |
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109 * @param aPacketrate New packetrate |
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110 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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111 */ |
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112 TInt SetPTime( TUint aPTime ); |
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113 |
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114 /** |
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115 * From CMccCodecInformation. Sets the packet rate. |
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116 * @since Series 60 3.0 |
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117 * @param aPacketrate New packetrate |
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118 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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119 */ |
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120 TInt SetMaxPTime( TUint aMaxPTime ); |
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121 |
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122 /** |
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123 * From CMccCodecInformation. Sets the sdp name. |
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124 * @since Series 60 3.0 |
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125 * @param aRtpId - [input] RTP session ID |
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126 * @return One of the standard system-wide error codes. |
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127 */ |
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128 TInt SetSdpName( const TDesC8& aSdpName ); |
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129 |
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130 /** |
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131 * From CMccCodecInformation. Sets the payload type. |
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132 * @since Series 60 3.0 |
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133 * @param aRtpId - [input] RTP session ID |
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134 * @return One of the standard system-wide error codes. |
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135 */ |
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136 TInt SetPayloadType( TUint8 aPayloadType ); |
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137 |
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138 /** |
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139 * From CMccCodecInformation. Sets the codec mode. |
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140 * @since Series 60 3.0 |
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141 * @param aMode Codec mode ( e.g. ULAW/ALAW, Bandwidth efficient / octet aligned ) |
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142 * @return KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone. |
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143 */ |
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144 TInt SetCodecMode( TCodecMode aCodecMode ); |
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145 |
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146 /** |
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147 * Set Allowed BitRate |
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148 * @since Series 60 3.0 |
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149 * @param aBitRateMask |
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150 * |
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151 * @return Etrue, if Mask is valid |
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152 */ |
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153 TInt SetAllowedBitrates( TUint aBitrateMask ); |
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154 |
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155 |
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156 private: |
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157 /** |
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158 * C++ default constructor. |
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159 */ |
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160 CMccCodecCn(); |
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161 |
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162 /** |
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163 * By default Symbian 2nd phase constructor is private. |
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164 */ |
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165 void ConstructL(); |
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166 private: |
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167 #ifdef TEST_EUNIT |
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168 friend class UT_CMccCodecCn; |
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169 #endif |
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170 }; |
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171 |
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172 |
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173 #endif // __MCC_CODEC_CN_H__ |
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174 |
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175 // End of File |