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1 /* |
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2 * Copyright (c) 2005 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 #include "mcecomvideocodec.h" |
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22 |
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23 #include "mceserial.h" |
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24 #include "mceevents.h" |
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25 |
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26 #include "mcecomrtpsource.h" |
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27 #include "mcertpsource.h" |
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28 |
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29 #ifdef MCE_COMMON_SERVER_SIDE |
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30 |
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31 #include <mmcccodecinformation.h> |
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32 #include "mcesrvstream.h" |
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33 #include "mcesrvsource.h" |
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34 |
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35 |
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36 #endif//MCE_COMMON_SERVER_SIDE |
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37 |
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38 // ============================ MEMBER FUNCTIONS =============================== |
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39 |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CMceComVideoCodec::NewL |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CMceComVideoCodec* CMceComVideoCodec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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46 { |
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47 CMceComVideoCodec* self = NewLC( aSdpName ); |
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48 CleanupStack::Pop( self ); |
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49 return self; |
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50 |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CMceComVideoCodec::NewLC |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 CMceComVideoCodec* CMceComVideoCodec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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58 { |
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59 CMceComVideoCodec* self = new (ELeave) CMceComVideoCodec(); |
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60 CleanupStack::PushL( self ); |
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61 self->ConstructL( aSdpName ); |
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62 return self; |
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63 } |
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64 |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CMceComVideoCodec::~CMceComAMRCodec |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 CMceComVideoCodec::~CMceComVideoCodec() |
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71 { |
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72 delete iConfigKey; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CMceComVideoCodec::CMceComVideoCodec |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CMceComVideoCodec::CMceComVideoCodec() |
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80 :CMceComCodec(), |
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81 iFrameRate( 0 ), |
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82 iMaxBitRate( 0 ), |
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83 iAllowedResolutions( 0 ), |
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84 iResolutionWidth( 0 ), |
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85 iResolutionHeight( 0 ), |
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86 iAllowedFrameRates( 0 ), |
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87 iClockRate( 0 ), |
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88 iReceiveFrameRate( 0 ), |
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89 iEncodingDecodingDevice( KNullUid ) |
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90 { |
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91 } |
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92 |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CMceComVideoCodec::ConstructL |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 CMceComVideoCodec* CMceComVideoCodec::CloneL() |
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99 { |
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100 CMceComVideoCodec* copy = new (ELeave) CMceComVideoCodec(); |
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101 CleanupStack::PushL( copy ); |
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102 copy->ConstructL( *this ); |
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103 CleanupStack::Pop( copy ); |
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104 return copy; |
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105 |
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106 } |
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107 |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CMceComVideoCodec::ConstructL |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 void CMceComVideoCodec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName ) |
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114 { |
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115 CMceComCodec::ConstructL( aSdpName ); |
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116 } |
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117 |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CMceComVideoCodec::ConstructL |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 void CMceComVideoCodec::ConstructL( CMceComVideoCodec& aCodec ) |
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124 { |
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125 CMceComCodec::ConstructL( aCodec ); |
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126 |
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127 iFrameRate = aCodec.iFrameRate; |
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128 iMaxBitRate = aCodec.iMaxBitRate; |
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129 iAllowedResolutions = aCodec.iAllowedResolutions; |
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130 iResolutionWidth = aCodec.iResolutionWidth; |
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131 iResolutionHeight = aCodec.iResolutionHeight; |
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132 iAllowedFrameRates = aCodec.iAllowedFrameRates; |
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133 iClockRate = aCodec.iClockRate; |
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134 iReceiveFrameRate = aCodec.iReceiveFrameRate; |
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135 |
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136 SetConfigKeyL( aCodec.iConfigKey ); |
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137 } |
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138 |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CMceComVideoCodec::InternalizeFlatL |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CMceComVideoCodec::InternalizeFlatL( RReadStream& aReadStream ) |
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145 { |
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146 CMceComCodec::InternalizeFlatL( aReadStream ); |
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147 |
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148 iFrameRate = aReadStream.ReadReal64L(); |
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149 iMaxBitRate = aReadStream.ReadUint32L(); |
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150 iAllowedResolutions = aReadStream.ReadUint32L(); |
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151 iResolutionWidth = aReadStream.ReadInt32L(); |
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152 iResolutionHeight = aReadStream.ReadInt32L(); |
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153 iAllowedFrameRates = aReadStream.ReadUint32L(); |
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154 iClockRate = aReadStream.ReadUint32L(); |
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155 iReceiveFrameRate = aReadStream.ReadReal64L(); |
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156 |
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157 MceSerial::DecodeL( iConfigKey, aReadStream ); |
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158 |
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159 iEncodingDecodingDevice.iUid = aReadStream.ReadUint32L(); |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CMceComVideoCodec::ExternalizeFlatL |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 void CMceComVideoCodec::ExternalizeFlatL( RWriteStream& aWriteStream ) |
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167 { |
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168 CMceComCodec::ExternalizeFlatL( aWriteStream ); |
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169 |
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170 aWriteStream.WriteReal64L( iFrameRate ); |
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171 aWriteStream.WriteUint32L( iMaxBitRate ); |
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172 aWriteStream.WriteUint32L( iAllowedResolutions ); |
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173 aWriteStream.WriteInt32L( iResolutionWidth ); |
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174 aWriteStream.WriteInt32L( iResolutionHeight ); |
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175 aWriteStream.WriteUint32L( iAllowedFrameRates ); |
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176 aWriteStream.WriteUint32L( iClockRate ); |
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177 aWriteStream.WriteReal64L( iReceiveFrameRate ); |
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178 |
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179 MceSerial::EncodeL( iConfigKey, aWriteStream ); |
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180 |
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181 aWriteStream.WriteUint32L( iEncodingDecodingDevice.iUid ); |
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182 } |
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183 |
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184 |
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185 |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CMceComVideoCodec::UpdateL |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CMceComVideoCodec::UpdateL( CMceComCodec& aCodec ) |
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192 { |
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193 CMceComCodec::UpdateL( aCodec ); |
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194 |
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195 CMceComVideoCodec& codec = static_cast<CMceComVideoCodec&>( aCodec ); |
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196 |
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197 iMaxBitRate = codec.iMaxBitRate; |
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198 iAllowedResolutions = codec.iAllowedResolutions; |
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199 iAllowedFrameRates = codec.iAllowedFrameRates; |
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200 |
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201 if ( IS_RECEIVESTREAM( iStream ) ) |
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202 { |
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203 iFrameRate = codec.iFrameRate; |
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204 iResolutionWidth = codec.iResolutionWidth; |
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205 iResolutionHeight = codec.iResolutionHeight; |
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206 iClockRate = codec.iClockRate; |
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207 } |
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208 else |
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209 { |
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210 SetConfigKeyL( codec.iConfigKey ); |
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211 } |
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212 |
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213 iEncodingDecodingDevice = codec.iEncodingDecodingDevice; |
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214 } |
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215 |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CMceComVideoCodec::Factory |
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219 // ----------------------------------------------------------------------------- |
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220 // |
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221 TMceComVideoCodecFactory CMceComVideoCodec::Factory() |
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222 { |
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223 return TMceComVideoCodecFactory(); |
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224 } |
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225 |
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226 // ----------------------------------------------------------------------------- |
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227 // CMceComVideoCodec::SetMaxBitrate |
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228 // ----------------------------------------------------------------------------- |
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229 // |
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230 TInt CMceComVideoCodec::SetMaxBitrate( TUint aMaxBitrate ) |
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231 { |
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232 if ( aMaxBitrate ) |
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233 { |
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234 iMaxBitRate = aMaxBitrate; |
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235 return KErrNone; |
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236 } |
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237 else |
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238 { |
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239 return KErrArgument; |
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240 } |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // CMceComVideoCodec::GetMaxBitRate |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 TUint CMceComVideoCodec::GetMaxBitRate() |
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248 { |
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249 return iMaxBitRate > 0 ? iMaxBitRate : iBitrate; |
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250 } |
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251 |
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252 // ----------------------------------------------------------------------------- |
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253 // CMceComVideoCodec::CompareSdpIndex |
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254 // ----------------------------------------------------------------------------- |
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255 // |
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256 TInt CMceComVideoCodec::CompareSdpIndex( |
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257 const CMceComVideoCodec& aIndex1, |
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258 const CMceComVideoCodec& aIndex2 ) |
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259 { |
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260 // NOTE: if zero (equals) is returned from here, order is strangely anyway |
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261 // changed. Returning positive value if indexes are equal is for avoiding |
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262 // this quirk. |
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263 |
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264 if ( aIndex1.iCodecSdpIndex >= aIndex2.iCodecSdpIndex ) |
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265 { |
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266 return (1); |
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267 } |
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268 else if ( aIndex1.iCodecSdpIndex < aIndex2.iCodecSdpIndex ) |
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269 { |
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270 return (-1); |
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271 } |
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272 else |
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273 { |
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274 return (0); |
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275 } |
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276 } |
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277 |
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278 // ----------------------------------------------------------------------------- |
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279 // CMceComVideoCodec::SetConfigKeyL |
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280 // ----------------------------------------------------------------------------- |
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281 // |
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282 TBool CMceComVideoCodec::SetConfigKeyL( HBufC8* aConfigKey ) |
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283 { |
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284 TBool updated( EFalse ); |
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285 if ( IsConfigKeyValid( aConfigKey ) ) |
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286 { |
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287 // Set key only if none exists or new key differs from existing one |
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288 if ( !iConfigKey || ( iConfigKey->Compare( *aConfigKey ) != 0 ) ) |
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289 { |
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290 HBufC8* configKey = aConfigKey->AllocL(); |
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291 delete iConfigKey; |
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292 iConfigKey = configKey; |
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293 updated = ETrue; |
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294 } |
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295 } |
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296 return updated; |
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297 } |
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298 |
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299 |
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300 |
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301 // ----------------------------------------------------------------------------- |
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302 // CMceComVideoCodec::IsConfigKeyValid |
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303 // ----------------------------------------------------------------------------- |
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304 // |
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305 TBool CMceComVideoCodec::IsConfigKeyValid() const |
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306 { |
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307 return IsConfigKeyValid( iConfigKey ); |
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308 } |
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309 |
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310 // ----------------------------------------------------------------------------- |
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311 // CMceComVideoCodec::IsConfigKeyValid |
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312 // ----------------------------------------------------------------------------- |
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313 // |
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314 TBool CMceComVideoCodec::IsConfigKeyValid( HBufC8* aConfigKey ) |
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315 { |
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316 return ( aConfigKey && aConfigKey->Length() > 0 ); |
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317 } |
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318 |
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319 #ifdef MCE_COMMON_SERVER_SIDE |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // CMceComVideoCodec::operator= |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 /*lint -e1539 */ |
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326 |
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327 CMceComCodec& CMceComVideoCodec::operator=( CMccCodecInformation& aMccCodec ) |
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328 { |
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329 |
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330 iPayloadType = aMccCodec.PayloadType(); |
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331 iBitrate = aMccCodec.Bitrate(); |
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332 iAllowedBitrates = aMccCodec.AllowedBitrates(); |
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333 iCodecMode = aMccCodec.CodecMode(); |
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334 iFourCC = aMccCodec.FourCC(); |
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335 iFrameSize = aMccCodec.FrameSize(); |
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336 |
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337 iFrameRate = aMccCodec.Framerate(); |
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338 iMaxBitRate = aMccCodec.MaxBitrate(); |
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339 iResolutionWidth = aMccCodec.FrameWidth(); |
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340 iResolutionHeight = aMccCodec.FrameHeight(); |
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341 iClockRate = aMccCodec.SamplingFreq(); |
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342 |
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343 HBufC8* configKey = NULL; |
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344 TRAPD( err, configKey = aMccCodec.ConfigKeyL() ); |
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345 if ( !err ) |
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346 { |
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347 TRAP_IGNORE( SetConfigKeyL( configKey ) ) |
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348 } |
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349 delete configKey; |
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350 iEncodingDecodingDevice = aMccCodec.PreferredEncodingDecodingDevice(); |
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351 |
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352 return *this; |
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353 |
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354 } |
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355 |
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356 |
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357 // ----------------------------------------------------------------------------- |
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358 // CMceComVideoCodec::DoMccDecodeL |
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359 // ----------------------------------------------------------------------------- |
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360 // |
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361 void CMceComVideoCodec::DoMccDecodeL( CMccCodecInformation& aMccCodec ) |
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362 { |
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363 // copy values, which are not explicitely in SDP, from mcc codec |
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364 iClockRate = aMccCodec.SamplingFreq(); |
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365 iResolutionWidth = aMccCodec.FrameWidth(); |
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366 iResolutionHeight = aMccCodec.FrameHeight(); |
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367 iMaxBitRate = aMccCodec.MaxBitrate(); |
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368 HBufC8* configKey = aMccCodec.ConfigKeyL(); |
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369 CleanupStack::PushL( configKey ); |
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370 SetConfigKeyL( configKey ); |
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371 CleanupStack::PopAndDestroy( configKey ); |
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372 iEncodingDecodingDevice = aMccCodec.PreferredEncodingDecodingDevice(); |
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373 } |
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374 |
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375 // ----------------------------------------------------------------------------- |
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376 // CMceComVideoCodec::DoMccEncodeL |
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377 // ----------------------------------------------------------------------------- |
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378 // |
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379 void CMceComVideoCodec::DoMccEncodeL( CMccCodecInformation& aMccCodec, |
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380 CMceSrvStream& aStream ) |
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381 { |
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382 User::LeaveIfError( aMccCodec.SetSamplingFreq( iClockRate ) ); |
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383 User::LeaveIfError( aMccCodec.SetFrameWidth( iResolutionWidth ) ); |
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384 User::LeaveIfError( aMccCodec.SetFrameHeight( iResolutionHeight ) ); |
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385 User::LeaveIfError( aMccCodec.SetMaxBitrate( iMaxBitRate ) ); |
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386 User::LeaveIfError( aMccCodec.SetAverageBitrate( iBitrate ) ); |
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387 User::LeaveIfError( aMccCodec.SetFramerate( iFrameRate ) ); |
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388 if ( IsConfigKeyValid() ) |
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389 { |
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390 aMccCodec.SetConfigKeyL( *iConfigKey ); |
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391 } |
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392 if ( aStream.Source().Data().iType == KMceRTPSource ) |
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393 { |
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394 |
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395 CMceComRtpSource& rtpSource = |
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396 static_cast<CMceComRtpSource&> ( aStream.Source().Data() ); |
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397 |
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398 User::LeaveIfError( |
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399 aMccCodec.SetJitterBufInactivityTimeOut( rtpSource.iInactivityTimer ) ); |
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400 User::LeaveIfError( |
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401 aMccCodec.SetJitterBufThreshold( rtpSource.iBufferTreshold ) ); |
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402 User::LeaveIfError( |
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403 aMccCodec.SetJitterBufBufferLength( rtpSource.iBufferLength ) ); |
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404 } |
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405 aMccCodec.SetPreferredEncodingDecodingDevice(iEncodingDecodingDevice); |
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406 } |
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407 |
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408 |
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409 // ----------------------------------------------------------------------------- |
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410 // CMceComVideoCodec::DoMccValidateL |
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411 // ----------------------------------------------------------------------------- |
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412 // |
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413 CMceComCodec* CMceComVideoCodec::DoMccValidateL( CMccCodecInformation& aMccCodec, |
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414 CMceSrvStream& aStream, |
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415 TMceNegotiationRole aRole ) |
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416 { |
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417 // TBD: validate frame width and height |
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418 // Explicitly call default implementation of DoMccValidateL in base class |
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419 // to enable the check for codecMode |
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420 return CMceComCodec::DoMccValidateL( aMccCodec, aStream, aRole ); |
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421 } |
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422 |
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423 // ----------------------------------------------------------------------------- |
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424 // CMceComAudioCodec::DoMccRequireSignalling |
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425 // ----------------------------------------------------------------------------- |
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426 // |
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427 TInt CMceComVideoCodec::DoMccRequireSignalling( |
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428 const CMceSrvStream& aStream, |
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429 const CMccCodecInformation& aMccCurentCodec, |
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430 const CMccCodecInformation& aMccUpdateCodec ) const |
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431 { |
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432 TInt action = KMceNoSignalling; |
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433 |
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434 if ( aStream.StreamType() == CMceComMediaStream::EReceiveStream || |
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435 aStream.StreamType() == CMceComMediaStream::EReceiveOnlyStream ) |
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436 { |
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437 if ( aMccCurentCodec.Framerate() != aMccUpdateCodec.Framerate() ) |
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438 { |
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439 action = KMceRequiresSignalling; |
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440 } |
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441 } |
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442 |
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443 if ( aMccCurentCodec.FrameWidth() != aMccUpdateCodec.FrameWidth() || |
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444 aMccCurentCodec.FrameHeight() != aMccUpdateCodec.FrameHeight() ) |
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445 { |
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446 action = KMceRequiresSignalling; |
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447 } |
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448 |
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449 return action; |
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450 |
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451 } |
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452 |
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453 // ----------------------------------------------------------------------------- |
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454 // CMceComVideoCodec::DoMccAdjustL |
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455 // ----------------------------------------------------------------------------- |
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456 // |
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457 void CMceComVideoCodec::DoMccAdjustL( CMccCodecInformation& aMccCodec, |
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458 CMceSrvStream& aStream ) |
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459 { |
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460 if( aStream.Data().iStreamType == CMceComMediaStream::ESendStream || |
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461 aStream.Data().iStreamType == CMceComMediaStream::ESendOnlyStream ) |
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462 { |
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463 User::LeaveIfError( aMccCodec.SetFramerate( iFrameRate ) ); |
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464 User::LeaveIfError( aMccCodec.SetAverageBitrate( iBitrate ) ); |
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465 } |
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466 User::LeaveIfError( aMccCodec.SetFrameWidth( iResolutionWidth ) ); |
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467 User::LeaveIfError( aMccCodec.SetFrameHeight( iResolutionHeight ) ); |
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468 } |
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469 |
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470 // ----------------------------------------------------------------------------- |
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471 // CMceComVideoCodec::DoSetDefaultFmtpAttributeL |
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472 // ----------------------------------------------------------------------------- |
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473 // |
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474 void CMceComVideoCodec::DoSetDefaultFmtpAttributeL() |
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475 { |
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476 // NOP |
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477 } |
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478 |
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479 #endif// MCE_COMMON_SERVER_SIDE |
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480 |