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: Header of ProgDLSource. |
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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 #ifndef __PROGDLDATASOURCE_H_ |
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20 #define __PROGDLDATASOURCE_H_ |
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21 |
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22 |
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23 #include <mmf/server/mmfdatasource.h> |
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24 #include <MultimediaDataSource.h> |
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25 #include <DataBufferSource.h> |
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26 |
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27 class CSinkQueueItem; |
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28 using multimedia::TBufferingConfig; |
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29 /** |
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30 @publishedAll |
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31 @released |
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32 |
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33 Provides the filename and path of file. |
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34 |
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35 Used by CProgDLMultimediaSource::ConstructL(). |
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36 */ |
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37 class TMMFFileParams |
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38 { |
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39 public: |
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40 /** |
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41 Filename and path of file. |
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42 */ |
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43 TFileName iPath ; // Filename and path of file. |
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44 private: |
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45 /** |
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46 This member is internal and not intended for use. |
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47 */ |
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48 TInt iReserved1; |
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49 }; |
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50 |
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51 /** |
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52 @internalTechnology |
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53 */ |
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54 const TUid KFileHandleUid = {0x101FFA19}; |
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55 const TUid KMMFileSourceUid = {0x101F7DA9}; |
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56 const TUid KMMFileHandleSourceUid = {0x101F7DAA}; |
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57 |
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58 /** |
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59 @publishedAll |
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60 @released |
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61 |
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62 Provides a pointer to the file handle |
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63 |
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64 Used by CProgDLMultimediaSource::ConstructL(). |
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65 */ |
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66 class TMMFFileHandleParams |
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67 { |
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68 public: |
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69 TMMFFileHandleParams(RFile* aFile) : iUid(KFileHandleUid), iFile(aFile) {} |
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70 TMMFFileHandleParams() : iUid(KFileHandleUid) {} |
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71 |
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72 TUid iUid; |
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73 /** |
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74 Handle of file |
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75 */ |
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76 RFile* iFile; |
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77 private: |
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78 /** |
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79 This member is internal and not intended for use. |
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80 */ |
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81 TInt iReserved1; |
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82 }; |
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83 |
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84 |
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85 |
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86 |
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87 /** |
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88 @publishedAll |
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89 @released |
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90 */ |
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91 typedef TPckgBuf<TMMFFileParams> TMMFFileConfig ; |
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92 |
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93 /** |
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94 @publishedAll |
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95 @released |
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96 */ |
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97 typedef TPckgBuf<TMMFFileHandleParams> TMMFFileHandleConfig ; |
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98 |
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99 |
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100 /** |
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101 @publishedAll |
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102 @released |
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103 |
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104 This details how big the iTransferBufferCopies array of CProgDLMultimediaSource may |
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105 become before we start looking to free entries. |
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106 */ |
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107 const TInt KAcceptableTransferBufferCopiesSize = 5; |
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108 |
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109 /** |
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110 @publishedAll |
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111 @released |
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112 |
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113 This details how big the iTransferBufferCopies array of CProgDLMultimediaSource may |
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114 become before we start looking to free entries. |
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115 */ |
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116 const TInt KMaximumTransferBufferCopiesSize = 100; |
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117 |
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118 class CProgDLMultimediaSource; |
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119 |
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120 class CProgDLSource : public MDataSource |
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121 { |
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122 public: |
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123 static CProgDLSource* NewL( TUid aType ); |
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124 ~CProgDLSource(void); |
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125 // From MDataSource begins |
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126 TFourCC SourceDataTypeCode(TMediaId aMediaId) ; |
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127 void FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId ) ; |
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128 void BufferEmptiedL( CMMFBuffer* aBuffer ) ; |
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129 TBool CanCreateSourceBuffer() ; |
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130 CMMFBuffer* CreateSourceBufferL( TMediaId aMediaId, TBool &aReference ) ; |
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131 TInt SourceThreadLogon(MAsyncEventHandler& aEventHandler) ; |
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132 void SourceThreadLogoff(); |
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133 void SourcePrimeL(); |
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134 void SourcePlayL(); |
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135 void SourceStopL(); |
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136 void SourceCustomCommand(TMMFMessage& aMessage); |
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137 void ConstructSourceL(const TDesC8 &aInitData); |
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138 TUid DataSourceType() const; |
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139 TInt SetSourceDataTypeCode(TFourCC aSourceFourCC, TMediaId /*aMediaId*/ ); |
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140 // From MDataSource ends |
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141 |
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142 void SetMultimediaSource(CProgDLMultimediaSource& aMultimediaSource); |
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143 TDesC8& GetInitData(); |
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144 private: |
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145 CProgDLSource(TUid aType); |
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146 |
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147 void ConstructL (void); |
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148 private: |
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149 //Data |
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150 CProgDLMultimediaSource* iMultiMediaSource; |
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151 HBufC8* iInitData; |
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152 |
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153 }; |
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154 |
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155 #endif |
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