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1 /* |
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2 * Copyright (c) 2004-2007 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: Provides a UL datapath |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 #ifndef MCCULDATAPATH_H |
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22 #define MCCULDATAPATH_H |
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23 |
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24 // INCLUDES |
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25 #include "mccdatapathbase.h" |
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26 |
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27 // FORWARD DECLARATIONS |
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28 class MMccResources; |
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29 |
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30 // CLASS DECLARATION |
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31 |
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32 /** |
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33 * Mcc UL Datapath declaration |
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34 * |
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35 * @lib Mccsubthreads.lib |
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36 * @since Series 60 3.0 |
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37 */ |
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38 NONSHARABLE_CLASS( CMccUlDataPath ) : public CMccDataPathBase |
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39 { |
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40 public: // Constructors and destructor |
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41 |
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42 /** |
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43 * Two-phased constructor. |
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44 */ |
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45 static CMccUlDataPath* NewL( MAsyncEventHandler* aEventHandler, |
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46 MMccResources* aMccResources, |
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47 TMediaId aMediaId ); |
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48 |
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49 /** |
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50 * Destructor. |
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51 */ |
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52 virtual ~CMccUlDataPath(); |
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53 |
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54 public: // New functions |
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55 |
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56 /** |
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57 * Negotiates the source and sink |
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58 * @since Series 60 3.0 |
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59 * @param aDataSink Sink to be negotiated with |
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60 * @return void |
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61 */ |
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62 // Silencing PC-lint warning due to CMccUlDataPath::NegotiateL |
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63 // hiding MDataSink::NegotiateL. |
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64 /*lint -e1411 */ |
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65 void NegotiateL( MDataSink& aDataSink ); |
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66 /*lint +e1411 */ |
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67 |
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68 /** |
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69 * Loads codec |
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70 */ |
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71 void LoadL( MDataSink& aDataSink ); |
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72 |
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73 public: // Functions from baseclasses |
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74 /** |
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75 * From MDataSource |
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76 */ |
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77 void BufferEmptiedL( CMMFBuffer* aBuffer ); |
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78 |
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79 /** |
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80 * From MDataSink |
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81 */ |
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82 void BufferFilledL( CMMFBuffer* aBuffer ); |
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83 |
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84 /** |
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85 * From CMccDataPathBase |
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86 */ |
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87 void PrimeL( TUint32 aEndpointId ); |
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88 |
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89 /** |
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90 * From CMccDataPathBase |
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91 */ |
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92 void PlayL( TUint32 aEndpointId ); |
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93 |
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94 /** |
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95 * From CMccDataPathBase |
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96 */ |
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97 void PauseL( TUint32 aEndpointId ); |
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98 |
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99 /** |
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100 * From CMccDataPathBase |
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101 */ |
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102 void StopL( TUint32 aEndpointId ); |
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103 |
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104 /** |
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105 * From CMccDataPathBase |
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106 */ |
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107 void ResumeL( TUint32 aEndpointId ); |
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108 |
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109 /** |
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110 * From CMccDataPathBase |
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111 */ |
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112 void FillSourceBufferL(); |
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113 |
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114 /** |
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115 * From CMccDataPathBase |
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116 */ |
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117 void EmptySinkBufferL(); |
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118 |
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119 private: // Functions from baseclasses |
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120 |
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121 /** |
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122 * From CMccDataPathBase |
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123 */ |
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124 void DoEndOfDataL(); |
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125 |
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126 private: // Constructors |
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127 |
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128 /** |
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129 * C++ default constructor. |
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130 */ |
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131 CMccUlDataPath( MAsyncEventHandler* aEventHandler, |
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132 MMccResources* aMccResources, |
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133 TMediaId aMediaId ); |
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134 |
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135 /** |
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136 * By default Symbian 2nd phase constructor is private. |
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137 */ |
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138 void ConstructL(); |
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139 |
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140 private: // New functions |
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141 |
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142 void ActivateSinkBuffer(); |
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143 |
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144 private: // Friend classes |
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145 #ifdef TEST_EUNIT |
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146 friend class UT_CMccUlDataPath; |
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147 #endif |
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148 |
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149 }; |
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150 |
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151 #endif // MCCULDATAPATH_H |
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152 |
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153 // End of File |