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1 /* |
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2 * Copyright (c) 2004-2006 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 G729 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_G729_H__ |
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22 #define __MCC_CODEC_G729_H__ |
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23 |
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24 // INCLUDES |
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25 #include "mmcccodecinformation.h" |
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26 |
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27 // CONSTANTS |
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28 |
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29 // G.729 Codec possible bitrates |
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30 const TInt KG729Bitrate = 8000; |
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31 const TInt KG729SampleRate = 8000; |
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32 |
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33 _LIT8( KAnnexYes, "annexb=yes" ); |
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34 _LIT8( KAnnexNo, "annexb=no" ); |
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35 |
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36 // CLASS DECLARATION |
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37 /** |
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38 * Container class for the codec information. |
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39 * |
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40 * @lib mmccinterface.dll |
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41 */ |
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42 NONSHARABLE_CLASS( CMCCCodecG729 ) : public CMccCodecInformation |
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43 { |
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44 public: // Constructors and destructor |
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45 |
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46 /** |
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47 * Two-phased constructor. |
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48 */ |
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49 static CMCCCodecG729* NewL(); |
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50 |
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51 /** |
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52 * Destructor. |
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53 */ |
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54 virtual ~CMCCCodecG729(); |
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55 |
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56 public: // From CMccCodecInformation |
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57 |
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58 /** |
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59 * From CMccCodecInformation |
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60 */ |
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61 CMccCodecInformation* CloneDefaultsL(); |
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62 |
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63 /** |
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64 * From CMccCodecInformation |
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65 */ |
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66 CMccCodecInformation* CloneDetailedL(); |
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67 |
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68 /** |
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69 * From CMccCodecInformation |
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70 */ |
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71 TBool RequireSignalling( const CMccCodecInformation& aCandidate ) const; |
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72 |
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73 /** |
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74 * From MccCodecInformation. Enable / Disable Voice Activity Detection. |
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75 * @since Series 60 3.0 |
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76 * @param aEnableVAD Boolean indicating whether to enable Voice Activity Detection |
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77 * @return KErrNotSupported if codec doesn't support VAD; otherwise KErrNone. |
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78 */ |
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79 TInt EnableVAD( TBool aEnableVAD ); |
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80 |
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81 /** |
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82 * From MccCodecInformation. Sets bitrate used with codec. |
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83 * @since Series 60 3.0 |
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84 * @param aBitrate New bitrate value |
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85 * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone. |
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86 */ |
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87 TInt SetBitrate( TUint aBitrate ); |
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88 |
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89 /** |
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90 * From MccCodecInformation. Sets the sampling frequency. |
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91 * @since Series 60 3.0 |
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92 * @param aSamplingFreq Sampling frequency to be used |
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93 * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone. |
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94 */ |
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95 TInt SetSamplingFreq( TUint32 aSamplingFreq ); |
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96 |
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97 /** |
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98 * From MccCodecInformation. Sets the packet rate. |
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99 * @since Series 60 3.0 |
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100 * @param aPacketrate New packetrate |
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101 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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102 */ |
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103 TInt SetPTime( TUint aPTime ); |
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104 |
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105 /** |
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106 * From MccCodecInformation. Sets the max packet rate. |
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107 * @since Series 60 3.0 |
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108 * @param aPacketrate New packetrate |
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109 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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110 */ |
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111 TInt SetMaxPTime( TUint aMaxPTime ); |
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112 |
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113 /** |
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114 * From MccCodecInformation. Sets the sdp name. |
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115 * @since Series 60 3.0 |
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116 * @param aRtpId - [input] RTP session ID |
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117 * @return One of the standard system-wide error codes. |
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118 */ |
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119 TInt SetSdpName( const TDesC8& aSdpName ); |
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120 |
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121 /** |
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122 * From MccCodecInformation. Sets the payload type. |
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123 * @since Series 60 3.0 |
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124 * @param aRtpId - [input] RTP session ID |
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125 * @return One of the standard system-wide error codes. |
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126 */ |
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127 TInt SetPayloadType( TUint8 aType ); |
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128 |
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129 /** |
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130 * From MccCodecInformation. Sets the codec mode. |
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131 * @since Series 60 3.0 |
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132 * @param aMode Codec mode ( e.g. ULAW/ALAW, Bandwidth efficient / octet aligned ) |
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133 * @return KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone. |
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134 */ |
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135 TInt SetCodecMode( TCodecMode aCodecMode ); |
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136 |
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137 /** |
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138 * Creates the fmtp string from internal values |
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139 * @since Series 60 3.0 |
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140 * @return void |
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141 */ |
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142 void CreateFmtpAttrListL(); |
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143 |
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144 /** |
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145 * Parses the fmtp attributes, and updates the internal values |
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146 * except the iFmtpAttr attribute |
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147 * @since Series 60 3.0 |
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148 * @param aFmtp Fmtp attribute |
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149 * @return True if any param was updated |
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150 */ |
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151 TBool ParseFmtpAttrL( const TDesC8& aFmtp ); |
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152 |
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153 /** |
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154 * Get the fmtp string |
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155 * @since Series 60 3.0 |
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156 * @return Fmtp. |
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157 */ |
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158 TDesC8& GetFmtpL( ); |
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159 |
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160 /** |
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161 * Set Allowed BitRate |
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162 * @since Series 60 3.0 |
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163 * @param aBitRateMask |
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164 * |
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165 * @return Etrue, if Mask is valid |
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166 */ |
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167 |
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168 TInt SetAllowedBitrates( TUint aBitrateMask ); |
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169 |
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170 private: |
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171 |
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172 /** |
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173 * C++ default constructor. |
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174 */ |
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175 CMCCCodecG729(); |
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176 |
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177 /** |
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178 * By default Symbian 2nd phase constructor is private. |
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179 */ |
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180 void ConstructL(); |
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181 |
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182 }; |
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183 |
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184 |
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185 #endif //__MCC_CODEC_G729_H__ |
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186 |
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187 // End of File |