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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 AMR 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_AMR_H__ |
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22 #define __MCC_CODEC_AMR_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 const TUint KDefaultModeChangePeriod = 1; |
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29 |
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30 // AMR-NB Codec possible bitrates |
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31 const TInt KAmrNbBitrate475( 4750 ); |
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32 const TInt KAmrNbBitrate515( 5150 ); |
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33 const TInt KAmrNbBitrate590( 5900 ); |
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34 const TInt KAmrNbBitrate670( 6700 ); |
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35 const TInt KAmrNbBitrate740( 7400 ); |
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36 const TInt KAmrNbBitrate795( 7950 ); |
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37 const TInt KAmrNbBitrate102( 10200 ); |
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38 const TInt KAmrNbBitrate122( 12200 ); |
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39 |
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40 |
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41 const TUint KMccAllowedAmrNbBitrate475 = 0x0001; |
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42 const TUint KMccAllowedAmrNbBitrate515 = 0x0002; |
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43 const TUint KMccAllowedAmrNbBitrate590 = 0x0004; |
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44 const TUint KMccAllowedAmrNbBitrate670 = 0x0008; |
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45 const TUint KMccAllowedAmrNbBitrate740 = 0x0010; |
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46 const TUint KMccAllowedAmrNbBitrate795 = 0x0020; |
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47 const TUint KMccAllowedAmrNbBitrate102 = 0x0040; |
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48 const TUint KMccAllowedAmrNbBitrate122 = 0x0080; |
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49 const TUint KMccAllowedAmrNbBitrateAll = 0x00FF; |
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50 |
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51 // Allowed bitrates bitfield can contain additional information |
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52 const TUint KMccAllowedAmrAdditionalInfo = 0x0F00; |
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53 |
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54 // If this bit is not present, mode-change-period=1 |
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55 const TUint KMccAllowedModeChangePeriod2 = 0x0100; |
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56 |
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57 // If this bit is not present, mode-change-neighbor=0 |
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58 const TUint KMccAllowedModeChangeNeighbor1 = 0x0200; |
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59 |
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60 const TUint KAmrNbSamplingFreq( 8000 ); |
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61 |
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62 const TInt KAMRDefaultHwFrameTime( 20 ); |
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63 const TInt KAMRDefaultFrameSize( 32 ); |
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64 const TInt KAMRDefaultPTime( 20 ); |
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65 const TInt KAMRDefaultMaxPTime( 400 ); |
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66 |
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67 const TUint KModTen( 10 ); |
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68 |
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69 const TInt KAMRMode0( 0 ); |
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70 const TInt KAMRMode1( 1 ); |
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71 const TInt KAMRMode2( 2 ); |
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72 const TInt KAMRMode3( 3 ); |
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73 const TInt KAMRMode4( 4 ); |
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74 const TInt KAMRMode5( 5 ); |
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75 const TInt KAMRMode6( 6 ); |
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76 const TInt KAMRMode7( 7 ); |
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77 |
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78 // Max five frames is used with AMR FEC redundancy |
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79 const TInt KMaxAmrFecRedCount = 5; |
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80 |
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81 _LIT8( KMatchModeSet, "*mode-set*"); |
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82 _LIT8( KTxtModeSet, "mode-set="); |
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83 _LIT8( KMatchOctetAlign, "*octet-align*"); |
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84 _LIT8( KMatchModeChangePeriod, "*mode-change-period*"); |
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85 _LIT8( KMatchModeChangeNeighbor, "*mode-change-neighbor*"); |
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86 _LIT8( KCrc,"*crc*" ); |
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87 _LIT8( KRobustSorting,"*robust-sorting*" ); |
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88 _LIT8( KInterleaving,"*interleaving*" ); |
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89 _LIT8( KMaxRed,"*max-red*" ); |
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90 |
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91 // CLASS DECLARATION |
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92 /** |
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93 * Container class for the codec information. |
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94 * |
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95 * @lib MCCInterface.dll |
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96 * @since Series 60 3.0 |
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97 */ |
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98 NONSHARABLE_CLASS( CMccCodecAMR ) : public CMccCodecInformation |
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99 { |
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100 public: // Constructors and destructor |
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101 |
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102 /** |
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103 * Two-phased constructor. |
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104 */ |
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105 static CMccCodecAMR* NewL(); |
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106 |
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107 /** |
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108 * Destructor. |
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109 */ |
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110 virtual ~CMccCodecAMR(); |
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111 |
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112 public: // New functions |
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113 |
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114 public: // From CMccCodecInformation |
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115 |
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116 /** |
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117 * From CMccCodecInformation |
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118 */ |
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119 TBool RequireSignalling( const CMccCodecInformation& aCandidate ) const; |
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120 |
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121 /** |
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122 * From CMccCodecInformation |
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123 */ |
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124 CMccCodecInformation* CloneDefaultsL(); |
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125 |
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126 /** |
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127 * From CMccCodecInformation |
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128 */ |
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129 CMccCodecInformation* CloneDetailedL(); |
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130 |
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131 private: |
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132 |
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133 /** |
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134 * By default Symbian 2nd phase constructor is private. |
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135 */ |
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136 void ConstructL(); |
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137 |
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138 |
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139 /** |
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140 * Set functions |
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141 */ |
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142 public: |
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143 |
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144 /** |
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145 * From CMccCodecInformation. Enable / Disable Voice Activity Detection. |
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146 * @since Series 60 3.0 |
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147 * @param aEnableVAD Boolean indicating whether to enable Voice Activity Detection |
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148 * @return KErrNotSupported if codec doesn't support VAD; otherwise KErrNone. |
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149 */ |
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150 TInt EnableVAD( TBool aEnableVAD ); |
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151 |
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152 /** |
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153 * From CMccCodecInformation. Sets bitrate used with codec. |
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154 * @since Series 60 3.0 |
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155 * @param aBitrate New bitrate value |
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156 * @return KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone. |
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157 */ |
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158 TInt SetBitrate( TUint aBitrate ); |
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159 |
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160 /** |
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161 * From CMccCodecInformation. Sets the sampling frequency. |
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162 * @since Series 60 3.0 |
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163 * @param aSamplingFreq Sampling frequency to be used |
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164 * @return KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone. |
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165 */ |
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166 TInt SetSamplingFreq( TUint32 aSamplingFreq ); |
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167 |
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168 /** |
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169 * From MccCodecInformation. Sets the packet time. |
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170 * @since Series 60 3.0 |
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171 * @param aPTime PacketTime. |
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172 * @return One of the standard system-wide error codes. |
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173 */ |
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174 TInt SetPTime( TUint aPTime ); |
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175 |
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176 /** |
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177 * From MccCodecInformation. Sets max packet time. |
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178 * @since Series 60 3.0 |
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179 * @param aMaxPTime Maximum PacketTime |
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180 * @return One of the standard system-wide error codes. |
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181 */ |
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182 TInt SetMaxPTime( TUint aMaxPTime ); |
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183 |
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184 /** |
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185 * From CMccCodecInformation. Sets the sdp name. |
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186 * @since Series 60 3.0 |
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187 * @param aRtpId - [input] RTP session ID |
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188 * @return One of the standard system-wide error codes. |
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189 */ |
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190 TInt SetSdpName( const TDesC8& aSdpName ); |
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191 |
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192 /** |
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193 * From CMccCodecInformation. Sets the payload type. |
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194 * @since Series 60 3.0 |
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195 * @param aRtpId - [input] RTP session ID |
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196 * @return One of the standard system-wide error codes. |
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197 */ |
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198 TInt SetPayloadType( TUint8 aPayloadType ); |
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199 |
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200 /** |
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201 * From CMccCodecInformation. Sets the codec mode. |
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202 * @since Series 60 3.0 |
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203 * @param aMode Codec mode ( e.g. ULAW/ALAW, Bandwidth efficient / octet aligned ) |
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204 * @return KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone. |
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205 */ |
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206 TInt SetCodecMode( TCodecMode aCodecMode ); |
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207 |
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208 |
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209 /** |
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210 * Sets the allowed bitrates for the codec. |
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211 * @since Series 60 3.0 |
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212 * @param aBitrateMask bitrate mask. |
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213 * @return KErrNotSupported if codec doesnt' support the bitrate mask |
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214 * value issued; otherwise KErrNone. |
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215 */ |
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216 TInt SetAllowedBitrates( TUint aBitrateMask ); |
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217 |
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218 /** |
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219 * Set number of channels. Range between 1 to 8. Refer to RFC3551 4.1 |
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220 * for interpretation of channels value. Default value is 1. |
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221 * |
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222 * @since Series 60 3.0 |
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223 * @return One of the standard system-wide error codes. |
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224 */ |
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225 TInt SetChannels( TInt aNumOfChannels ); |
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226 |
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227 |
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228 /** |
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229 * From CMccCodecInformation. |
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230 * Sets the redundancy level. Setting is effective only if some |
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231 * redundancy algorithm is set with SetAlgo(). |
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232 * |
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233 * @param aRedCount The level of redundancy |
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234 * @return One of the standard system-wide error codes. |
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235 */ |
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236 TInt SetRedCount( TUint aRedCount ); |
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237 |
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238 /** |
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239 * Sets the upper limit on the usage of redundancy in milliseconds. |
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240 * @since Series 60 3.2 |
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241 * @param aMaxRed maximum redundancy |
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242 * @return One of the standard system-wide error codes. |
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243 */ |
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244 TInt SetMaxRed( TInt aMaxRed ); |
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245 |
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246 /** |
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247 * New virtual functions |
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248 */ |
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249 protected: |
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250 |
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251 /** |
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252 * Sets bitrate used with codec. |
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253 * @since Series 60 3.0 |
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254 * @param aBitrateMask bitrate mask, sets the largest bitrate |
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255 * @return KErrNotSupported if codec doesn't support bitrate value |
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256 * issued; otherwise KErrNone. |
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257 */ |
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258 virtual TInt SetBitrateFromBitrateMask( TUint aBitrateMask ); |
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259 |
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260 /** |
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261 * From CMccCodecInformation. Gets the mode set of a bitrate. |
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262 * @since Series 60 3.0 |
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263 * @param aBitrate The bitrate value |
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264 * @return mode set value |
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265 */ |
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266 virtual TInt GetBitrateModeSet( TUint aBitrate ); |
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267 |
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268 /** |
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269 * From CMccCodecInformation. Gets the bitrate mask from the mode set . |
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270 * @since Series 60 3.0 |
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271 * @param aMode The mode set |
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272 * @param aBitrateMask reference to bitrateMask |
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273 * @return KErrNotSupported if codec doesnt' support the bitrate mask |
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274 * value issued; otherwise KErrNone. |
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275 */ |
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276 virtual TInt GetBitrateMaskFromMode( TUint aMode, TUint& aBitrateMask ); |
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277 |
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278 |
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279 /** |
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280 * Gets the allowed bitrates for the codec. |
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281 * @since Series 60 3.0 |
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282 * @param aBitrateMask RArray<TUint> reference |
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283 * @return KErrNotSupported if codec doesnt' support the function |
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284 * otherwise KErrNone. |
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285 */ |
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286 virtual TInt GetAllowedBitratesArrayL( RArray<TUint>& aBitratesArray ); |
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287 |
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288 /** |
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289 * Sets the bitrate from the mode set . |
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290 * @since Series 60 3.0 |
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291 * @param aBitrate The mode set |
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292 * @return mode set value |
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293 */ |
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294 virtual void SetBitrateModeSet( TUint aModeSet ); |
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295 |
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296 |
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297 public: |
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298 |
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299 /** |
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300 * Get number of channels. |
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301 * @since Series 60 3.0 |
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302 * @return One of the standard system-wide error codes. |
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303 */ |
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304 TInt GetChannels( TInt& aNumOfChannels ) const; |
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305 |
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306 /** |
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307 * FMTP functions |
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308 */ |
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309 public: //Public FMTP functions |
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310 |
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311 /** |
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312 * Get the fmtp string |
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313 * @since Series 60 3.0 |
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314 * @return Fmtp. |
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315 */ |
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316 TDesC8& GetFmtpL( ); |
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317 |
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318 /** |
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319 * Parses the fmtp attributes, and updates the internal values |
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320 * except the iFmtpAttr attribute |
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321 * @since Series 60 3.0 |
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322 * @param aFmtp Fmtp attribute |
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323 * @return True if any param was updated |
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324 */ |
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325 TBool ParseFmtpAttrL( const TDesC8& aFmtp ); |
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326 |
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327 /** |
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328 * Creates the fmtp string from internal values |
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329 * @since Series 60 3.0 |
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330 * @return void |
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331 */ |
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332 void CreateFmtpAttrListL(); |
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333 |
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334 /** |
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335 * Creates the fmtp string from internal values and the given bitrates |
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336 * @since Series 60 3.0 |
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337 * @return void |
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338 */ |
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339 void CreateFmtpAttrListL( const RArray<TUint>& aBitrates ); |
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340 |
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341 |
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342 protected: // New functions for derived classes |
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343 |
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344 |
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345 /** |
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346 * C++ default constructor. |
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347 */ |
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348 CMccCodecAMR(); |
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349 |
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350 /** |
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351 * Parses the fmtp attribute and updates the right param |
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352 * @since Series 60 3.0 |
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353 * @param aFmtp Fmtp attribute |
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354 * @return ETrue if any params were updated |
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355 */ |
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356 TBool ParseFmtpSegmentL( const TDesC8& aFmtp ); |
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357 |
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358 /** |
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359 * Parses the fmtp attribute and updates the octet-align value |
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360 * @since Series 60 3.0 |
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361 * @param aFmtp Fmtp attribute |
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362 * @return ETrue if any params were updated |
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363 */ |
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364 TBool ParseFmtpOctetAlignL( const TDesC8& aFmtpOctetAlign ); |
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365 |
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366 /** |
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367 * Parses the fmtp attribute and updates the mode-change-period value |
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368 * @since Series 60 3.0 |
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369 * @param aFmtp Fmtp attribute |
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370 * @return ETrue if any params were updated |
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371 */ |
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372 TBool ParseFmtpModeChangePeriodL( const TDesC8& aFmtpModeChangePeriod ); |
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373 |
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374 /** |
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375 * Parses the fmtp attribute and updates the mode-change-neighbor value |
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376 * @since Series 60 3.0 |
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377 * @param aFmtp Fmtp attribute |
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378 * @return ETrue if any params were updated |
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379 */ |
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380 TBool ParseFmtpModeChangeNeighborL( const TDesC8& aFmtpModeChangeNeighbor ); |
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381 |
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382 /** |
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383 * Parses the fmtp attribute and updates the crc value |
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384 * @since Series 60 3.0 |
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385 * @param aFmtp Fmtp attribute |
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386 * @return ETrue if any params were updated |
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387 */ |
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388 TBool ParseFmtpCrcL( const TDesC8& aFmtpCrc ); |
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389 |
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390 /** |
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391 * Parses the fmtp attribute and updates the robust sorting value |
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392 * @since Series 60 3.0 |
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393 * @param aFmtp Fmtp attribute |
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394 * @return ETrue if any params were updated |
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395 */ |
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396 TBool ParseFmtpRobustSortingL( const TDesC8& aFmtpRobustSorting ); |
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397 |
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398 |
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399 /** |
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400 * Creates the octet-align value of the FMTP |
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401 * @since Series 60 3.0 |
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402 * @param aBuf The buffer to modify |
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403 * @return ETrue if any params were updated |
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404 */ |
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405 TBool CreateFmtpOctetAlign( TDes8& aBuf ); |
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406 |
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407 /** |
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408 * Creates the mode-change-period value of the FMTP |
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409 * @since Series 60 3.0 |
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410 * @param aBuf The buffer to modify |
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411 * @return ETrue if any params were updated |
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412 */ |
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413 TBool CreateFmtpModeChangePeriod( TDes8& aBuf ); |
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414 |
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415 /** |
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416 * Creates the mode-change-neigbor value of the FMTP |
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417 * @since Series 60 3.0 |
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418 * @param aBuf The buffer to modify |
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419 * @return ETrue if any params were updated |
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420 */ |
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421 TBool CreateFmtpModeChangeNeighbor( TDes8& aBuf ); |
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422 |
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423 /** |
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424 * Creates the max-red value of the FMTP |
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425 * @since Series 60 3.2 |
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426 * @param aBuf The buffer to modify |
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427 * @return ETrue if any params were updated |
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428 */ |
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429 TBool CreateFmtpMaxRed( TDes8& aBuf ); |
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430 |
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431 /** |
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432 * Parses the fmtp attribute and updates the max red value |
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433 * @since Series 60 3.2 |
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434 * @param aFmtpMaxRed Fmtp attribute |
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435 * @return ETrue if any params were updated |
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436 */ |
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437 TBool ParseFmtpMaxRedL( const TDesC8& aFmtpMaxRed ); |
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438 |
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439 /** |
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440 * Parses the fmtp attribute and updates the mode-set value |
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441 * @since Series 60 3.0 |
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442 * @param aFmtp Fmtp attribute |
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443 * @return ETrue if any params were updated |
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444 */ |
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445 TBool ParseFmtpModeSetL( const TDesC8& aFmtpModeSet ); |
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446 |
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447 /** |
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448 * Creates the mode-set value of the FMTP according to the bitrates |
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449 * @since Series 60 3.0 |
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450 * @param aBuf The buffer to modify |
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451 * @param aBitrates Supported bitrates of the codec |
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452 * @return ETrue if the buffer was modified |
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453 */ |
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454 TBool CreateFmtpModeSet( TDes8& aBuf, |
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455 const RArray<TUint>& aBitrates ); |
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456 |
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457 /** |
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458 * Parses the fmtp attribute and updates the interleaving value |
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459 * @since Series 60 3.0 |
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460 * @param aFmtp Fmtp attribute |
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461 * @return ETrue if any params were updated |
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462 */ |
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463 TBool ParseFmtpInterleavingL( const TDesC8& aFmtpInterleaving ); |
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464 |
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465 /** |
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466 * Specifies the number of frame blocks, |
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467 * that is the interval at which codec mode changes are allowed |
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468 * @since Series 60 3.0 |
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469 * @return One of the standard system-wide error codes. |
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470 */ |
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471 TInt SetModeChangePeriod( const TInt aPeriod ); |
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472 |
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473 /** |
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474 * Get specified number of frame blocks |
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475 * @since Series 60 3.0 |
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476 * @return One of the standard system-wide error codes. |
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477 */ |
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478 TInt ModeChangePeriod( ) const; |
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479 |
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480 /** |
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481 * Set boolean variable, which indicates change between two modes. |
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482 * With default value 1 changes are only allowed to the |
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483 * neighboring mode. |
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484 * @since Series 60 3.0 |
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485 * @return One of the standard system-wide error codes. |
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486 */ |
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487 TInt SetModeChangeNeighbor( const TBool aNeighbor ); |
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488 |
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489 /** |
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490 * Get boolean variable, which indicates change between two modes. |
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491 * @since Series 60 3.0 |
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492 * @return Return iNeighbor |
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493 */ |
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494 TBool ModeChangeNeighbor( ) const; |
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495 |
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496 /** |
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497 * Set boolean type frame CRC value. With value 1 CRC shall be |
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498 * included in the payload, otherwise not. 1 also implies that |
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499 * octet-alignet operation shall be used for the session. |
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500 * @since Series 60 3.0 |
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501 * @return One of the standard system-wide error codes. |
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502 */ |
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503 TInt SetCrc( const TBool aCrc ); |
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504 |
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505 /** |
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506 * Get boolean type CRC value. |
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507 * @since Series 60 3.0 |
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508 * @return iCrc |
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509 */ |
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510 TBool GetCrc( ) const; |
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511 |
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512 /** |
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513 * Set robust sorting on/off with boolean value. With value 1 |
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514 * the payload SHALL employ robust sorting. Implies automatically |
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515 * that octet-aligned operation SHALL be used for the session. |
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516 * @since Series 60 3.0 |
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517 * @return One of the standard system-wide error codes. |
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518 */ |
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519 TInt SetRobustSorting( const TBool aRobust ); |
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520 |
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521 /** |
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522 * Get boolean type robust sorting value |
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523 * @since Series 60 3.0 |
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524 * @return iRobust |
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525 */ |
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526 TBool GetRobustSorting( ) const; |
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527 |
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528 /** |
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529 * Set interleaving as unsigned integer. Number range is 0-63. |
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530 * Indicates that frame-block level interleaving SHALL be |
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531 * used for the session and it's value defines the max number of |
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532 * frame-blocks allowed in interleaving group. Implies automatically |
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533 * that octet-aligned operation SHALL be used. |
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534 * @since Series 60 3.0 |
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535 * @return One of the standard system-wide error codes. |
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536 */ |
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537 TInt SetInterleaving( const TInt aFrameBlockCount ); |
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538 |
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539 /** |
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540 * Get Interleavin value. |
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541 * @since Series 60 3.0 |
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542 * @return iFrameBlockCount |
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543 */ |
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544 TInt GetInterleaving( ) const; |
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545 |
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546 void SetBitrateMask( TUint aBitrateMask, TBool aKeepAdditionalInfo = EFalse ); |
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547 |
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548 void SetBitrateMaskAdditionalInfo( TUint aAdditionalInfo ); |
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549 |
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550 protected: // Data |
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551 |
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552 TUint iDefaultBitrateMask; |
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553 |
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554 TUint iDefaultBitrate; |
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555 |
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556 TUint iAdditionalInfoMask; |
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557 |
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558 TInt iMaxModeSetVal; |
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559 |
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560 private: // Data |
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561 |
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562 /** |
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563 * Mode-set exist in FMTP |
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564 */ |
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565 TBool iModesExist; |
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566 |
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567 /** |
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568 * Octet-align exist in FMTP |
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569 */ |
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570 TBool iOctetAlignExist; |
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571 |
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572 /** |
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573 * Mode-change-period exist in FMTP |
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574 */ |
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575 TBool iModeChangePeriodExist; |
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576 |
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577 /** |
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578 * Mode-change-neighbor exist in FMTP |
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579 */ |
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580 TBool iModeChangeNeighborExist; |
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581 |
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582 /** |
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583 * Max-red exist in FMTP |
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584 */ |
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585 TBool iMaxRedExist; |
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586 |
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587 private: |
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588 |
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589 #ifdef TEST_EUNIT |
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590 friend class UT_CMccCodecAMR; |
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591 friend class UT_CMccCodecAmrWb; |
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592 #endif |
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593 |
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594 }; |
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595 |
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596 |
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597 #endif // __MCC_CODEC_AMR_H__ |
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598 |
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599 // End of File |