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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 red 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_RED_H__ |
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22 #define __MCC_CODEC_RED_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 <rtpdef.h> |
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27 #include "mmcccodecinformation.h" |
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28 |
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29 // CONSTANTS |
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30 const TText8 KCharSpace( ' ' ); |
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31 const TText8 KCharSlash( '/' ); |
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32 |
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33 const TInt KRedSampleRate = 8000; |
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34 const TInt KRedPTime = 20; |
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35 const TInt KRedMaxPTime = 200; |
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36 |
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37 // Red Codec possible bitrates |
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38 const TUint KRedSamplingFreq = 8000; |
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39 |
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40 // MACROS |
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41 |
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42 // DATA TYPES |
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43 |
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44 // FUNCTION PROTOTYPES |
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45 |
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46 // FORWARD DECLARATIONS |
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47 |
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48 // CLASS DECLARATION |
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49 /** |
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50 * Container class for the codec information. |
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51 * |
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52 * @lib mmccinterface.dll |
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53 * |
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54 */ |
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55 NONSHARABLE_CLASS( CMccCodecRed ) : public CMccCodecInformation |
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56 { |
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57 public: // Constructors and destructor |
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58 |
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59 /** |
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60 * Two-phased constructor. |
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61 */ |
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62 static CMccCodecRed* NewL(); |
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63 |
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64 /** |
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65 * Destructor. |
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66 */ |
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67 virtual ~CMccCodecRed(); |
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68 |
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69 public: // New functions |
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70 |
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71 public: // From CMccCodecInformation |
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72 |
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73 /** |
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74 * From CMccCodecInformation |
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75 */ |
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76 TBool RequireSignalling( const CMccCodecInformation& aCandidate ) const; |
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77 |
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78 /** |
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79 * From CMccCodecInformation |
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80 */ |
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81 CMccCodecInformation* CloneDefaultsL(); |
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82 |
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83 /** |
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84 * From CMccCodecInformation |
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85 */ |
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86 CMccCodecInformation* CloneDetailedL(); |
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87 |
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88 /** |
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89 * From CMccCodecInformation. Enable / Disable Voice Activity Detection. |
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90 * @since Series 60 3.0 |
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91 * @param aEnableVAD Boolean indicating whether to enable Voice Activity Detection |
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92 * @return KErrNotSupported if codec doesn't support VAD; otherwise KErrNone. |
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93 */ |
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94 TInt EnableVAD( TBool aEnableVAD ); |
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95 |
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96 /** |
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97 * From CMccCodecInformation. Sets bitrate used with codec. |
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98 * @since Series 60 3.0 |
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99 * @param aBitrate New bitrate value |
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100 * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone. |
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101 */ |
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102 TInt SetBitrate( TUint aBitrate ); |
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103 |
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104 /** |
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105 * From CMccCodecInformation. Sets the sampling frequency. |
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106 * @since Series 60 3.0 |
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107 * @param aSamplingFreq Sampling frequency to be used |
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108 * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone. |
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109 */ |
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110 TInt SetSamplingFreq( TUint32 aSamplingFreq ); |
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111 |
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112 /** |
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113 * From CMccCodecInformation. Sets the packet rate. |
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114 * @since Series 60 3.0 |
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115 * @param aPacketrate New packetrate |
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116 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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117 */ |
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118 TInt SetPTime( TUint aPTime ); |
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119 |
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120 /** |
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121 * From CMccCodecInformation. Sets the packet rate. |
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122 * @since Series 60 3.0 |
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123 * @param aPacketrate New packetrate |
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124 * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone. |
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125 */ |
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126 TInt SetMaxPTime( TUint aMaxPTime ); |
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127 |
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128 /** |
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129 * From CMccCodecInformation. Sets the sdp name. |
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130 * @since Series 60 3.0 |
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131 * @param aRtpId - [input] RTP session ID |
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132 * @return One of the standard system-wide error codes. |
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133 */ |
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134 TInt SetSdpName( const TDesC8& aSdpName ); |
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135 |
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136 /** |
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137 * From CMccCodecInformation. Sets the payload type. |
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138 * @since Series 60 3.0 |
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139 * @param aRtpId - [input] RTP session ID |
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140 * @return One of the standard system-wide error codes. |
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141 */ |
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142 TInt SetPayloadType( TUint8 aPayloadType ); |
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143 |
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144 /** |
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145 * From CMccCodecInformation. Sets the codec mode. |
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146 * @since Series 60 3.0 |
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147 * @param aMode Codec mode ( e.g. ULAW/ALAW, Bandwidth efficient / octet aligned ) |
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148 * @return KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone. |
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149 */ |
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150 TInt SetCodecMode( TCodecMode aCodecMode ); |
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151 |
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152 /** |
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153 * Parses the fmtp attribute and sets the parsed codecs |
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154 * @since Series60 3.0 |
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155 * @param aFmtp Fmtp attribute |
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156 * @return One of the standard system-wide error codes. |
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157 */ |
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158 TBool ParseFmtpAttrL( const TDesC8& aFmtp ); |
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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 TInt SetAllowedBitrates( TUint aBitrateMask ); |
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168 |
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169 /** |
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170 * Sets the payload types used in redundancy |
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171 * @since Series60 3.0 |
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172 * @param Reference to the array containing the codecs |
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173 * @return None |
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174 */ |
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175 void SetRedPayloadsL( RArray<TUint>& aRedPayloads ); |
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176 |
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177 /** |
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178 * Fills array with red payload types. |
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179 * @since Series60 3.0 |
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180 * @param aRedPayloads |
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181 */ |
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182 void RedPayloadsL( RArray<TUint>& aRedPayloads ) const; |
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183 |
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184 public: // New methods |
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185 |
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186 const RArray<TUint>& RedPayloads() const; |
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187 |
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188 private: |
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189 /** |
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190 * C++ default constructor. |
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191 */ |
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192 CMccCodecRed(); |
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193 |
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194 /** |
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195 * By default Symbian 2nd phase constructor is private. |
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196 */ |
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197 void ConstructL(); |
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198 |
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199 /** |
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200 * Array contains the payloadtypes used in the Redundancy payload |
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201 * Used only for redundancy payload format type |
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202 */ |
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203 RArray< TUint > iRedPayloads; |
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204 private: |
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205 #ifdef TEST_EUNIT |
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206 friend class UT_CMccCodecRed; |
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207 #endif |
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208 }; |
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209 |
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210 |
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211 #endif // __MCC_CODEC_RED_H__ |
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212 |
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213 // End of File |