1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 2 <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 3 <title>MPVPluginBase class Reference</title> 4 <link href="doxygen.css" rel="stylesheet" type="text/css"> 5 </head><body> 6 <!-- Generated by Doxygen 1.2.18 --> 7 <center> 8 <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> <a class="qindex" href="globals.html">Globals</a> </center> 9 <hr><h1>MPVPluginBase Class Reference</h1><code>#include <<a class="el" href="pv__plugin__interfaces_8h-source.html">pv_plugin_interfaces.h</a>></code> 10 <p> 11 <p>Inheritance diagram for MPVPluginBase: 12 <p><center><img src="classMPVPluginBase.png" usemap="#MPVPluginBase_map" border="0" alt=""></center> 13 <map name="MPVPluginBase_map"> 14 <area href="classMPVDataSink.html" alt="MPVDataSink" shape="rect" coords="0,56,154,80"> 15 <area href="classMPVDataSource.html" alt="MPVDataSource" shape="rect" coords="164,56,318,80"> 16 <area href="classMPVDataSourceAndSink.html" alt="MPVDataSourceAndSink" shape="rect" coords="328,56,482,80"> 17 </map> 18 <table border=0 cellpadding=0 cellspacing=0> 19 <tr><td></td></tr> 20 <tr><td colspan=2><br><h2>Public Methods</h2></td></tr> 21 <tr><td nowrap align=right valign=top>virtual </td><td valign=bottom><a class="el" href="classMPVPluginBase.html#a0">~MPVPluginBase</a> ()</td></tr> 22 <tr><td nowrap align=right valign=top>virtual IMPORT_C const RArray<<br> 23 TPVMIMEType * > & </td><td valign=bottom><a class="el" href="classMPVPluginBase.html#a1">GetMultimediaTypesL</a> () const=0</td></tr> 24 <tr><td nowrap align=right valign=top>virtual IMPORT_C void </td><td valign=bottom><a class="el" href="classMPVPluginBase.html#a2">QueryUUID</a> (const TPVMIMEType &aMimeType, RArray< TPVUuid > &aUuids, bool aExactUuidsOnly=false)=0</td></tr> 25 <tr><td nowrap align=right valign=top>virtual IMPORT_C void </td><td valign=bottom><a class="el" href="classMPVPluginBase.html#a3">QueryInterface</a> (const TPVUuid &aUuid, TPVInterfacePtr &aInterfacePtr)=0</td></tr> 26 </table> 27 <hr><a name="_details"></a><h2>Detailed Description</h2> 28 MPVPluginBase Class 29 <p> 30 Base class for all supported plugins 31 <p> 32 <hr><h2>Constructor & Destructor Documentation</h2> 33 <a name="a0" doxytag="MPVPluginBase::~MPVPluginBase"></a><p> 34 <table width="100%" cellpadding="2" cellspacing="0" border="0"> 35 <tr> 36 <td class="md"> 37 <table cellpadding="0" cellspacing="0" border="0"> 38 <tr> 39 <td class="md" nowrap valign="top"> virtual MPVPluginBase::~MPVPluginBase </td> 40 <td class="md" valign="top">( </td> 41 <td class="mdname1" valign="top" nowrap> </td> 42 <td class="md" valign="top">) </td> 43 <td class="md" nowrap><code> [inline, virtual]</code></td> 44 </tr> 45 46 </table> 47 </td> 48 </tr> 49 </table> 50 <table cellspacing=5 cellpadding=0 border=0> 51 <tr> 52 <td> 53 54 </td> 55 <td> 56 57 <p> 58 </td> 59 </tr> 60 </table> 61 <hr><h2>Member Function Documentation</h2> 62 <a name="a1" doxytag="MPVPluginBase::GetMultimediaTypesL"></a><p> 63 <table width="100%" cellpadding="2" cellspacing="0" border="0"> 64 <tr> 65 <td class="md"> 66 <table cellpadding="0" cellspacing="0" border="0"> 67 <tr> 68 <td class="md" nowrap valign="top"> virtual IMPORT_C const RArray<TPVMIMEType *>& MPVPluginBase::GetMultimediaTypesL </td> 69 <td class="md" valign="top">( </td> 70 <td class="mdname1" valign="top" nowrap> </td> 71 <td class="md" valign="top">) </td> 72 <td class="md" nowrap><code> [pure virtual]</code></td> 73 </tr> 74 75 </table> 76 </td> 77 </tr> 78 </table> 79 <table cellspacing=5 cellpadding=0 border=0> 80 <tr> 81 <td> 82 83 </td> 84 <td> 85 86 <p> 87 This API returns multimedias type supported by the data source/sink - Audio, Video, Data etc. Each supported type is indicated by a MIME type structure. <dl compact><dt><b>Returns: </b></dt><dd> 88 Multimedia types supported by the data source/sink. The reference is valid until the MPVPluginBase derived object is destroyed. </dl> </td> 89 </tr> 90 </table> 91 <a name="a3" doxytag="MPVPluginBase::QueryInterface"></a><p> 92 <table width="100%" cellpadding="2" cellspacing="0" border="0"> 93 <tr> 94 <td class="md"> 95 <table cellpadding="0" cellspacing="0" border="0"> 96 <tr> 97 <td class="md" nowrap valign="top"> virtual IMPORT_C void MPVPluginBase::QueryInterface </td> 98 <td class="md" valign="top">( </td> 99 <td class="md" nowrap valign="top">const TPVUuid & </td> 100 <td class="mdname" nowrap> <em>aUuid</em>, </td> 101 </tr> 102 <tr> 103 <td></td> 104 <td></td> 105 <td class="md" nowrap>TPVInterfacePtr & </td> 106 <td class="mdname" nowrap> <em>aInterfacePtr</em></td> 107 </tr> 108 <tr> 109 <td></td> 110 <td class="md">) </td> 111 <td class="md" colspan="2"><code> [pure virtual]</code></td> 112 </tr> 113 114 </table> 115 </td> 116 </tr> 117 </table> 118 <table cellspacing=5 cellpadding=0 border=0> 119 <tr> 120 <td> 121 122 </td> 123 <td> 124 125 <p> 126 This API is to allow for extensibility of the plugin interface. It allows a caller to ask for an instance of a particular interface object to be returned. The mechanism is analogous to the COM IUnknown method. The interfaces are identified with an interface ID that is a UUID as in DCE and a pointer to the interface object is returned if it is supported. Otherwise the returned pointer is NULL. TBD: Define the UIID, InterfacePtr structures <dl compact><dt><b>Parameters: </b></dt><dd> 127 <table border=0 cellspacing=2 cellpadding=0> 128 <tr><td valign=top><em>aUuid</em> </td><td> 129 The UUID of the desired interface </td></tr> 130 <tr><td valign=top><em>aInterfacePtr</em> </td><td> 131 The output pointer to the desired interface </td></tr> 132 </table> 133 </dl> </td> 134 </tr> 135 </table> 136 <a name="a2" doxytag="MPVPluginBase::QueryUUID"></a><p> 137 <table width="100%" cellpadding="2" cellspacing="0" border="0"> 138 <tr> 139 <td class="md"> 140 <table cellpadding="0" cellspacing="0" border="0"> 141 <tr> 142 <td class="md" nowrap valign="top"> virtual IMPORT_C void MPVPluginBase::QueryUUID </td> 143 <td class="md" valign="top">( </td> 144 <td class="md" nowrap valign="top">const TPVMIMEType & </td> 145 <td class="mdname" nowrap> <em>aMimeType</em>, </td> 146 </tr> 147 <tr> 148 <td></td> 149 <td></td> 150 <td class="md" nowrap>RArray< TPVUuid > & </td> 151 <td class="mdname" nowrap> <em>aUuids</em>, </td> 152 </tr> 153 <tr> 154 <td></td> 155 <td></td> 156 <td class="md" nowrap>bool </td> 157 <td class="mdname" nowrap> <em>aExactUuidsOnly</em> = false</td> 158 </tr> 159 <tr> 160 <td></td> 161 <td class="md">) </td> 162 <td class="md" colspan="2"><code> [pure virtual]</code></td> 163 </tr> 164 165 </table> 166 </td> 167 </tr> 168 </table> 169 <table cellspacing=5 cellpadding=0 border=0> 170 <tr> 171 <td> 172 173 </td> 174 <td> 175 176 <p> 177 This API is to allow for extensibility of the plugin interface. It allows a caller to ask for all UUIDs associated with a particular MIME type. If interfaces of the requested MIME type are found within the plugin, they are added to the UUIDs array. 178 <p> 179 Also added to the UUIDs array will be all interfaces which have the requested MIME type as a base MIME type. This functionality can be turned off.<dl compact><dt><b>Parameters: </b></dt><dd> 180 <table border=0 cellspacing=2 cellpadding=0> 181 <tr><td valign=top><em>aMimeType</em> </td><td> 182 The MIME type of the desired interfaces </td></tr> 183 <tr><td valign=top><em>aUuids</em> </td><td> 184 An array to hold the discovered UUIDs </td></tr> 185 <tr><td valign=top><em>aExactUuidsOnly</em> </td><td> 186 Turns on/off the retrival of UUIDs with aMimeType as a base type </td></tr> 187 </table> 188 </dl> </td> 189 </tr> 190 </table> 191 <hr>The documentation for this class was generated from the following file:<ul> 192 <li><a class="el" href="pv__plugin__interfaces_8h-source.html">pv_plugin_interfaces.h</a></ul> 193 <hr size="1"><img src="pvlogo_small.jpg"><address style="align: right;"><small>PV Author Engine</small> 194 <address style="align: left;"><small>Posting Version: OPENCORE_20090310 </small> 195 </small></address> 196 </body> 197 </html> 198