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1 /* |
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2 * Copyright (c) 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: |
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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 |
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22 // INCLUDE FILES |
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23 #include <delimitedpathsegment8.h> |
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24 |
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25 #include "mmcccodech263.h" |
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26 #include "mccuids.hrh" |
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27 #include "mmccinterfacelogs.h" |
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28 |
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29 // EXTERNAL DATA STRUCTURES |
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30 |
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31 // EXTERNAL FUNCTION PROTOTYPES |
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32 |
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33 // CONSTANTS |
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34 const TInt KMaxFmtpAttrLength( 50 ); |
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35 const TInt KH263DefaultFrameSize( 3000 ); |
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36 const TInt KH263DefaultMaxBitrate( 64000 ); |
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37 const TInt KH263DefaultBitrate( 64000 ); |
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38 const TInt KH263DefaultAllowedBitrate( 1 ); |
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39 const TInt KH263DefaultFreq( 90000 ); |
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40 |
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41 const TUint KMccAllowedH263Bitrate1 = 0x0001; |
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42 const TUint KMccAllowedH263Bitrate2 = 0x0002; |
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43 const TUint KMccAllowedH263BitrateAll = 0x0003; |
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44 |
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45 const TInt KH263Bitrate64( 64000 ); |
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46 const TInt KH263Bitrate128( 128000 ); |
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47 |
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48 |
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49 // MACROS |
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50 |
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51 // LOCAL CONSTANTS AND MACROS |
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52 |
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53 // MODULE DATA STRUCTURES |
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54 |
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55 // LOCAL FUNCTION PROTOTYPES |
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56 |
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57 // FORWARD DECLARATIONS |
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58 |
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59 // ============================= LOCAL FUNCTIONS =============================== |
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60 |
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61 // ============================ MEMBER FUNCTIONS =============================== |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CMccCodecH263::CMccCodecH263 |
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65 // C++ default constructor can NOT contain any code, that |
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66 // might leave. |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CMccCodecH263::CMccCodecH263() : CMccCodecInformation() |
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70 { |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // CMccCodecH263::ConstructL |
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75 // Symbian 2nd phase constructor can leave. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CMccCodecH263::ConstructL() |
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79 { |
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80 iSdpName.Copy( KH2632000SdpName ); |
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81 |
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82 iType = KUidMediaTypeVideo; |
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83 iFmtpAttr = HBufC8::NewL( KMaxFmtpAttrLength ); |
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84 iFourCC = KMccFourCCIdH263; |
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85 iSamplingFreq = KH263DefaultFreq; |
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86 |
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87 iPayloadFormatEncoder = KImplUidH263PayloadFormatEncode; |
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88 iPayloadFormatDecoder = 0; |
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89 |
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90 SetCodecMode( KH263FormatModeNew ); |
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91 SetPTime( KH263PTime ); |
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92 SetPayloadType( KH263PayloadType ); |
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93 SetFramerate( KH263Framerate ); |
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94 SetLevelBasedBitrate( KH263DefaultBitrate ); |
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95 SetMaxBitrate( KH263DefaultMaxBitrate ); |
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96 SetAllowedBitrates( KH263DefaultAllowedBitrate ); |
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97 SetFrameHeight( KH263FrameHeight ); |
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98 SetFrameWidth( KH263FrameWidth ); |
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99 iFrameSize = KH263DefaultFrameSize; |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CMccCodecH263::NewL |
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104 // Two-phased constructor. |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 CMccCodecH263* CMccCodecH263::NewL() |
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108 { |
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109 CMccCodecH263* self = new( ELeave ) CMccCodecH263; |
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110 |
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111 CleanupStack::PushL( self ); |
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112 self->ConstructL(); |
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113 CleanupStack::Pop( self ); |
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114 |
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115 return self; |
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116 } |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CMccCodecH263::~CMccCodecH263 |
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120 // |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 CMccCodecH263::~CMccCodecH263() |
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124 { |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // CMccCodecH263::RequireSignalling |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 TBool CMccCodecH263::RequireSignalling( |
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132 const CMccCodecInformation& aCandidate ) const |
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133 { |
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134 __INTERFACE( "CMccCodecH263::RequireSignalling" ) |
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135 TBool ret = EFalse; |
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136 |
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137 if ( iPTime != aCandidate.PTime() ) |
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138 { |
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139 __INTERFACE( "CMccCodecH263::RequireSignalling, PTime changed" ) |
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140 ret = ETrue; |
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141 } |
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142 |
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143 if ( iMaxPTime != aCandidate.MaxPTime() ) |
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144 { |
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145 __INTERFACE( "CMccCodecH263::RequireSignalling, MaxPTime changed" ) |
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146 ret = ETrue; |
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147 } |
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148 |
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149 if ( iPayloadType != aCandidate.PayloadType() ) |
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150 { |
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151 __INTERFACE( "CMccCodecH263::RequireSignalling, PayloadType changed" ) |
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152 ret = ETrue; |
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153 } |
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154 |
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155 if ( iBitrateMask != aCandidate.AllowedBitrates() ) |
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156 { |
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157 __INTERFACE( "CMccCodecH263::RequireSignalling, BitrateMask changed" ) |
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158 ret = ETrue; |
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159 } |
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160 |
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161 if ( iCodecMode != aCandidate.CodecMode() ) |
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162 { |
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163 __INTERFACE( "CMccCodecH263::RequireSignalling, CodecMode changed" ) |
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164 ret = ETrue; |
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165 } |
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166 |
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167 if ( iSamplingFreq != aCandidate.SamplingFreq() ) |
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168 { |
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169 __INTERFACE( "CMccCodecH263::RequireSignalling, SamplingFreq changed" ) |
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170 ret = ETrue; |
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171 } |
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172 |
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173 if ( iMaxBitrate != aCandidate.MaxBitrate() ) |
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174 { |
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175 __INTERFACE( "CMccCodecH263::RequireSignalling, MaxBitrate changed" ) |
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176 ret = ETrue; |
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177 } |
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178 |
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179 if ( iFramerate < aCandidate.Framerate() ) |
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180 { |
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181 __INTERFACE( "CMccCodecH263::RequireSignalling, Framerate changed" ) |
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182 ret = ETrue; |
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183 } |
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184 |
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185 if ( iVideoWidth != aCandidate.FrameWidth() ) |
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186 { |
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187 __INTERFACE( "CMccCodecH263::RequireSignalling, FrameWidth changed" ) |
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188 ret = ETrue; |
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189 } |
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190 |
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191 if ( iVideoHeight != aCandidate.FrameHeight() ) |
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192 { |
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193 __INTERFACE( "CMccCodecH263::RequireSignalling, FrameHeight changed" ) |
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194 ret = ETrue; |
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195 } |
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196 |
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197 __INTERFACE_INT1( "CMccCodecH263::RequireSignalling, exit with", ret ) |
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198 return ret; |
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199 } |
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200 |
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201 // ----------------------------------------------------------------------------- |
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202 // CMccCodecH263::SetBitrate |
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203 // Sets the bitrate used with AMR codec. |
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204 // ----------------------------------------------------------------------------- |
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205 // |
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206 TInt CMccCodecH263::SetBitrate( TUint aBitrate ) |
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207 { |
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208 if ( aBitrate <= KH263Bitrate128 ) |
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209 { |
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210 iBitrate = aBitrate; |
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211 iBitrateSet = ETrue; |
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212 return KErrNone; |
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213 } |
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214 else |
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215 { |
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216 return KErrNotSupported; |
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217 } |
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218 } |
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219 |
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220 // ----------------------------------------------------------------------------- |
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221 // CMccCodecH263::SetSamplingFreq |
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222 // Sets the sampling frequency. |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 TInt CMccCodecH263::SetSamplingFreq( TUint32 /*aSamplingFreq*/ ) |
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226 { |
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227 return KErrNone; |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CMccCodecH263::SetSdpName |
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232 // Sets the SDP name |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 TInt CMccCodecH263::SetSdpName( const TDesC8& aSdpName ) |
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236 { |
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237 if ( !aSdpName.CompareF( KH263SdpName ) || |
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238 !aSdpName.CompareF( KH2632000SdpName )) |
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239 { |
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240 iSdpName.Copy( KH2632000SdpName ); |
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241 if ( iCodecMode != KH263FormatModeNew ) |
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242 { |
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243 SetCodecMode( KH263FormatModeNew ); |
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244 } |
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245 } |
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246 else if( !aSdpName.CompareF( KH2631998SdpName )) |
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247 { |
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248 iSdpName.Copy( KH2631998SdpName ); |
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249 if ( iCodecMode != KH263FormatModeOld ) |
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250 { |
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251 SetCodecMode( KH263FormatModeOld ); |
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252 } |
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253 } |
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254 else |
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255 { |
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256 return KErrNotSupported; |
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257 } |
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258 |
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259 return KErrNone; |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // CMccCodecH263::PayloadType |
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264 // Sets the payload type |
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265 // ----------------------------------------------------------------------------- |
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266 // |
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267 TInt CMccCodecH263::SetPayloadType( TUint8 aPayloadType ) |
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268 { |
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269 if ( aPayloadType < KMinDynamicPT || |
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270 aPayloadType > KMaxPayloadType ) |
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271 { |
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272 return KErrNotSupported; |
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273 } |
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274 else |
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275 { |
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276 iPayloadType = aPayloadType; |
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277 } |
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278 |
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279 return KErrNone; |
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280 } |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // CMccCodecH263::SetCodecMode |
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284 // Sets the codec mode. |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 TInt CMccCodecH263::SetCodecMode( TCodecMode aCodecMode ) |
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288 { |
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289 iCodecMode = aCodecMode; |
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290 |
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291 if ( iCodecMode == KH263FormatModeNew && |
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292 iSdpName.CompareF( KH2632000SdpName )) |
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293 { |
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294 SetSdpName( KH2632000SdpName ); |
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295 } |
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296 if ( iCodecMode == KH263FormatModeOld && |
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297 iSdpName.CompareF( KH2631998SdpName )) |
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298 { |
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299 SetSdpName( KH2631998SdpName ); |
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300 |
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301 // Ensure that default dynamic pt is not the same for two different |
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302 // codec modes |
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303 if ( iPayloadType == KH263PayloadType ) |
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304 { |
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305 SetPayloadType( KH2631998PayloadType ); |
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306 } |
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307 } |
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308 |
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309 return KErrNone; |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CMccCodecH263::EnableVAD |
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314 // Enable / Disable VAD |
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315 // ----------------------------------------------------------------------------- |
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316 // |
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317 TInt CMccCodecH263::EnableVAD( TBool /*aEnableVAD*/ ) |
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318 { |
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319 return KErrNotSupported; |
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320 } |
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321 |
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322 // ----------------------------------------------------------------------------- |
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323 // CMccCodecH263::SetPTime |
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324 // Set PTime |
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325 // ----------------------------------------------------------------------------- |
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326 // |
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327 TInt CMccCodecH263::SetPTime( TUint aPTime ) |
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328 { |
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329 if ( aPTime && ( aPTime <= 200 ) && (( aPTime % 10 ) == 0 )) |
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330 { |
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331 iPTime = aPTime; |
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332 return KErrNone; |
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333 } |
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334 else |
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335 { |
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336 return KErrNotSupported; |
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337 } |
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338 } |
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339 |
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340 // ----------------------------------------------------------------------------- |
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341 // CMccCodecH263::SetMaxPTime |
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342 // Set Max PTime |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 TInt CMccCodecH263::SetMaxPTime( TUint aMaxPTime ) |
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346 { |
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347 if ( aMaxPTime && ( aMaxPTime <= 200 ) && (( aMaxPTime % 10 ) == 0 )) |
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348 { |
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349 iMaxPTime = aMaxPTime; |
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350 return KErrNone; |
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351 } |
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352 else |
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353 { |
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354 return KErrNotSupported; |
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355 } |
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356 } |
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357 |
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358 // ----------------------------------------------------------------------------- |
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359 // CMccCodecH263:SetConfigKeyL |
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360 // ----------------------------------------------------------------------------- |
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361 // |
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362 void CMccCodecH263::SetConfigKeyL( const TDesC8& /*aConfigKey*/ ) |
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363 { |
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364 // NOP |
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365 } |
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366 |
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367 // ----------------------------------------------------------------------------- |
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368 // CMccCodecH263::SetAllowedBitrates |
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369 // ----------------------------------------------------------------------------- |
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370 // |
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371 TInt CMccCodecH263::SetAllowedBitrates( TUint aBitrateMask ) |
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372 { |
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373 //Confirm that the bitrate mask is valid |
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374 //I.e. after all the valid bitrates are set to zero the value should be zero |
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375 if ( (aBitrateMask >> 8 ) > 0 ) |
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376 { |
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377 return KErrArgument; |
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378 } |
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379 else |
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380 { |
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381 /* |
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382 In the future the allowed bitrates will be fetched from the codec |
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383 I.e. the KMccAllowedH263BitrateAll will be changed to the bitrates |
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384 supported by the codec |
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385 */ |
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386 iBitrateMask = KMccAllowedH263BitrateAll; |
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387 iBitrateMask &= aBitrateMask; |
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388 |
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389 SetMaxBitrateFromBitrateMask( iBitrateMask ); |
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390 } |
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391 return KErrNone; |
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392 } |
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393 |
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394 // ----------------------------------------------------------------------------- |
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395 // CMccCodecH263::CloneDefaultsL |
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396 // Make a default setting clone from this codec |
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397 // ----------------------------------------------------------------------------- |
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398 // |
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399 CMccCodecInformation* CMccCodecH263::CloneDefaultsL() |
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400 { |
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401 CMccCodecInformation* codec = CMccCodecH263::NewL(); |
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402 CleanupStack::PushL( codec ); |
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403 |
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404 if ( 0 == this->SdpName().CompareF( KH2632000SdpName ) ) |
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405 { |
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406 User::LeaveIfError( codec->SetCodecMode( KH263FormatModeNew ) ); |
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407 } |
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408 else |
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409 { |
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410 User::LeaveIfError( codec->SetCodecMode( KH263FormatModeOld ) ); |
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411 } |
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412 |
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413 CleanupStack::Pop( codec ); |
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414 return codec; |
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415 } |
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416 |
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417 // ----------------------------------------------------------------------------- |
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418 // CMccCodecH263::CloneDetailedL |
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419 // Make a detailed clone from this codec |
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420 // ----------------------------------------------------------------------------- |
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421 // |
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422 CMccCodecInformation* CMccCodecH263::CloneDetailedL() |
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423 { |
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424 CMccCodecH263* newCodec = CMccCodecH263::NewL(); |
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425 CleanupStack::PushL( newCodec ); |
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426 newCodec->SetBitrate( this->Bitrate() ); |
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427 newCodec->SetCodecMode( this->CodecMode() ); |
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428 newCodec->SetMaxPTime( this->MaxPTime() ); |
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429 newCodec->SetPayloadType( this->PayloadType() ); |
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430 newCodec->SetPTime( this->PTime() ); |
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431 newCodec->SetSamplingFreq( this->SamplingFreq() ); |
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432 newCodec->SetSdpName( this->SdpName() ); |
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433 CleanupStack::Pop( newCodec ); |
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434 return newCodec; |
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435 } |
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436 |
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437 // ----------------------------------------------------------------------------- |
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438 // CMccCodecH263::GetFmtpL |
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439 // Gets the fmtp attribute |
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440 // ----------------------------------------------------------------------------- |
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441 // |
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442 TDesC8& CMccCodecH263::GetFmtpL() |
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443 { |
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444 __INTERFACE( "CMccCodecH263::GetFmtpL" ) |
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445 if ( iFmtpAttr ) |
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446 { |
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447 delete iFmtpAttr; |
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448 iFmtpAttr = NULL; |
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449 } |
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450 |
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451 TInt level = KH263Level10; |
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452 |
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453 if ( iMaxBitrate > KH263Level10Bitrate && |
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454 iMaxBitrate <= KH263Level45Bitrate ) |
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455 { |
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456 __INTERFACE( "CMccCodecH263::GetFmtpL, level set 45" ) |
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457 level = KH263Level45; |
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458 } |
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459 |
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460 iFmtpAttr = HBufC8::NewL( KMaxFmtpAttrLength ); |
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461 iFmtpAttr->Des().Format( KH263FmtpLine, level ); |
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462 |
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463 __INTERFACE( "CMccCodecH263::GetFmtpL, exit" ) |
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464 return *iFmtpAttr; |
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465 } |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // CMccCodecH263::SetFmtpAttrL |
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469 // Gets the fmtp attribute |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 void CMccCodecH263::SetFmtpAttrL( const TDesC8& aFmtp, TBool /*parseFmtp*/ ) |
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473 { |
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474 __INTERFACE( "CMccCodecH263::SetFmtpAttrL" ) |
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475 if ( iFmtpAttr ) |
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476 { |
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477 delete iFmtpAttr; |
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478 iFmtpAttr = NULL; |
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479 } |
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480 |
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481 iFmtpAttr = HBufC8::NewL( aFmtp.Length() ); |
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482 iFmtpAttr->Des().Copy( aFmtp ); |
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483 |
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484 ParseFmtpAttrL( *iFmtpAttr ); |
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485 __INTERFACE( "CMccCodecH263::SetFmtpAttrL, exit" ) |
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486 } |
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487 |
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488 // ----------------------------------------------------------------------------- |
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489 // CMccCodecH263::ParseFmtpAttrL |
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490 // Parse the fmtp string, but doesn't update the iFmtpAttr |
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491 // ----------------------------------------------------------------------------- |
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492 // |
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493 TBool CMccCodecH263::ParseFmtpAttrL( const TDesC8& aFmtp ) |
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494 { |
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495 __INTERFACE( "CMccCodecH263::ParseFmtpAttrL" ) |
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496 const TUint8* pointerC = aFmtp.Ptr(); |
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497 TUint8* pointer = const_cast<TUint8*>( pointerC ); |
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498 TPtr8 descriptor( pointer, aFmtp.Length(), aFmtp.Length() ); |
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499 descriptor.Trim(); |
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500 |
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501 TDelimitedPathSegmentParser8 parser; |
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502 parser.Parse( aFmtp ); |
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503 TPtrC8 segment; |
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504 TBool updated( EFalse ); |
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505 |
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506 while ( parser.GetNext( segment ) != KErrNotFound ) |
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507 { |
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508 if ( ParseFmtpSegmentL( segment ) ) |
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509 { |
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510 updated = ETrue; |
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511 } |
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512 } |
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513 |
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514 __INTERFACE( "CMccCodecH263::ParseFmtpAttrL, exit" ) |
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515 return updated; |
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516 } |
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517 |
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518 // ----------------------------------------------------------------------------- |
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519 // CMccCodecH263::ParseFmtpSegmentL |
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520 // Parse and updates the matched param |
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521 // ----------------------------------------------------------------------------- |
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522 // |
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523 TBool CMccCodecH263::ParseFmtpSegmentL( const TDesC8& aSeg ) |
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524 { |
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525 __INTERFACE( "CMccCodecH263::ParseFmtpSegmentL" ) |
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526 TBool success( ETrue ); |
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527 _LIT8( KEqualSign, "=" ); |
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528 |
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529 // Check for first '=' sign |
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530 TInt index = aSeg.Find( KEqualSign ); |
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531 |
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532 if ( index > 0 ) |
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533 { |
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534 // Check if match profile |
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535 if ( aSeg.Left( index).Match( KH263Profile ) != KErrNotFound ) |
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536 { |
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537 success = ParseProfileL( aSeg.Right( aSeg.Length() - ( index + 1 ) ) ); |
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538 } |
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539 |
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540 // Check if match level |
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541 else |
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542 { |
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543 if ( aSeg.Left( index).Match( KH263Level ) != KErrNotFound ) |
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544 { |
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545 success = ParseLevelL( aSeg.Right( aSeg.Length() - ( index + 1 ) ) ); |
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546 } |
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547 } |
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548 } |
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549 __INTERFACE( "CMccCodecH263::ParseFmtpSegmentL, exit" ) |
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550 return success; |
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551 } |
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552 |
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553 // ----------------------------------------------------------------------------- |
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554 // CMccCodecH263::ParseProfile |
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555 // ----------------------------------------------------------------------------- |
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556 // |
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557 TBool CMccCodecH263::ParseProfileL( const TDesC8& aFmtp ) |
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558 { |
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559 __INTERFACE( "CMccCodecH263::ParseProfileL, exit" ) |
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560 TBool success( ETrue ); |
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561 |
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562 TLex8 myLex( aFmtp ); |
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563 TInt value; |
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564 TInt err = myLex.Val( value ); |
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565 |
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566 if ( err == KErrNone ) |
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567 { |
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568 switch ( value ) |
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569 { |
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570 case 0: |
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571 __INTERFACE( "CMccCodecH263::ParseProfileL, profile 0" ) |
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572 break; |
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573 default: |
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574 __INTERFACE( "CMccCodecH263::ParseProfileL, unsupported profile" ) |
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575 success = EFalse; |
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576 break; |
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577 } |
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578 } |
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579 else |
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580 { |
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581 success = EFalse; |
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582 } |
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583 |
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584 if ( !success ) |
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585 { |
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586 __INTERFACE( "CMccCodecH263::ParseProfileL, leaving with KErrArgument" ) |
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587 User::Leave( KErrArgument ); |
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588 } |
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589 |
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590 __INTERFACE( "CMccCodecH263::ParseProfileL, exit" ) |
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591 |
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592 return ETrue; |
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593 } |
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594 |
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595 // ----------------------------------------------------------------------------- |
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596 // CMccCodecH263::ParseProfile |
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597 // ----------------------------------------------------------------------------- |
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598 // |
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599 TBool CMccCodecH263::ParseLevelL( const TDesC8& aFmtp ) |
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600 { |
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601 __INTERFACE( "CMccCodecH263::ParseLevelL" ) |
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602 TBool success( ETrue ); |
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603 |
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604 TLex8 myLex( aFmtp ); |
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605 TInt value; |
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606 TInt err = myLex.Val( value ); |
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607 |
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608 if ( err == KErrNone ) |
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609 { |
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610 switch ( value ) |
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611 { |
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612 case KH263Level10: |
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613 __INTERFACE( "CMccCodecH263::ParseLevelL, level 10" ) |
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614 SetMaxBitrate( KH263Level10Bitrate ); |
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615 SetLevelBasedBitrate( KH263Level10Bitrate ); |
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616 SetFramerate ( KH263Level10Framerate ); |
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617 break; |
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618 case KH263Level45: |
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619 __INTERFACE( "CMccCodecH263::ParseLevelL, level 45" ) |
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620 SetMaxBitrate( KH263Level45Bitrate ); |
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621 SetLevelBasedBitrate( KH263Level45Bitrate ); |
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622 SetFramerate ( KH263Level45Framerate ); |
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623 break; |
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624 default: |
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625 __INTERFACE( "CMccCodecH263::ParseLevelL, unsupported level" ) |
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626 success = EFalse; |
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627 break; |
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628 } |
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629 } |
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630 else |
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631 { |
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632 success = EFalse; |
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633 } |
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634 |
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635 if ( !success ) |
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636 { |
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637 __INTERFACE( "CMccCodecH263::ParseLevelL, leaving with KErrArgument" ) |
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638 User::Leave( KErrArgument ); |
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639 } |
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640 |
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641 __INTERFACE( "CMccCodecH263::ParseLevelL, exit" ) |
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642 return success; |
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643 } |
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644 |
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645 // ----------------------------------------------------------------------------- |
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646 // CMccCodecH263::SetMaxBitrateFromBitrateMask |
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647 // ----------------------------------------------------------------------------- |
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648 // |
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649 void CMccCodecH263::SetMaxBitrateFromBitrateMask( TUint aBitrateMask ) |
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650 { |
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651 if( aBitrateMask & KMccAllowedH263Bitrate1 ) |
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652 { |
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653 SetMaxBitrate( KH263Bitrate64 ); |
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654 } |
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655 else if( aBitrateMask & KMccAllowedH263Bitrate2 ) |
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656 { |
|
657 SetMaxBitrate( KH263Bitrate128 ); |
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658 } |
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659 else if( aBitrateMask & KMccAllowedH263BitrateAll ) |
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660 { |
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661 SetMaxBitrate( KH263Bitrate128 ); |
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662 } |
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663 } |
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664 |
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665 // ----------------------------------------------------------------------------- |
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666 // CMccCodecH263::SetMaxBitrate |
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667 // ----------------------------------------------------------------------------- |
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668 // |
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669 TInt CMccCodecH263::SetMaxBitrate( TUint aMaxBitrate ) |
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670 { |
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671 TBool isValid( ETrue ); |
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672 |
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673 switch ( aMaxBitrate ) |
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674 { |
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675 case KH263Bitrate64: |
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676 break; |
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677 case KH263Bitrate128: |
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678 break; |
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679 default: |
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680 isValid = EFalse; |
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681 break; |
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682 } |
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683 if ( isValid ) |
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684 { |
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685 iMaxBitrate = aMaxBitrate; |
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686 SetBitrateMaskFromMaxBitrate( aMaxBitrate ); |
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687 return KErrNone; |
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688 } |
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689 else |
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690 { |
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691 return KErrNotSupported; |
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692 } |
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693 } |
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694 |
|
695 // ----------------------------------------------------------------------------- |
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696 // CMccCodecH263::SetBitrateMaskFromMaxBitrate |
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697 // ----------------------------------------------------------------------------- |
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698 // |
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699 void CMccCodecH263::SetBitrateMaskFromMaxBitrate( TUint aMaxBitrate ) |
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700 { |
|
701 switch ( aMaxBitrate ) |
|
702 { |
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703 case KH263Bitrate64: |
|
704 iBitrateMask = KMccAllowedH263Bitrate1; |
|
705 break; |
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706 case KH263Bitrate128: |
|
707 iBitrateMask = KMccAllowedH263BitrateAll; |
|
708 break; |
|
709 default: |
|
710 break; |
|
711 } |
|
712 } |
|
713 |
|
714 // ----------------------------------------------------------------------------- |
|
715 // CMccCodecH263::SetLevelBasedBitrate |
|
716 // ----------------------------------------------------------------------------- |
|
717 // |
|
718 void CMccCodecH263::SetLevelBasedBitrate( TUint aBitrate ) |
|
719 { |
|
720 // Set level based bitrate only if bitrate value has not been set |
|
721 if ( !iBitrateSet ) |
|
722 { |
|
723 iBitrate = aBitrate; |
|
724 } |
|
725 } |
|
726 |
|
727 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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728 |
|
729 // End of File |