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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 
     19 /* Contains changes by Wind River Systems, 2009-2010 */
     20 
     21 #include "pvlogger.h"
     22 
     23 #include "pv_omxcore.h"
     24 #include "omx_interface.h"
     25 #include "intel_omx_config_parser.h"
     26 
     27 
     28 
     29 class PVOMXInterface : public OMXInterface
     30 {
     31     public:
     32         OsclAny* SharedLibraryLookup(const OsclUuid& aInterfaceId)
     33         {
     34             if (aInterfaceId == OMX_INTERFACE_ID)
     35             {
     36                 // the library lookup was successful
     37                 return this;
     38             }
     39             // the ID doesn't match
     40             return NULL;
     41         };
     42 
     43         static PVOMXInterface* Instance()
     44         {
     45             return OSCL_NEW(PVOMXInterface, ());
     46         };
     47 
     48         bool UnloadWhenNotUsed(void)
     49         {
     50             // As of 9/22/08, the PV OMX core library can not be
     51             // safely unloaded and reloaded when the proxy interface
     52             // is enabled.
     53             return false;
     54         };
     55 
     56     private:
     57 
     58         PVOMXInterface()
     59         {
     60             // set the pointers to the omx core methods
     61             pOMX_Init = OMX_Init;
     62             pOMX_Deinit = OMX_Deinit;
     63             pOMX_ComponentNameEnum = OMX_ComponentNameEnum;
     64             pOMX_GetHandle = OMX_GetHandle;
     65             pOMX_FreeHandle = OMX_FreeHandle;
     66             pOMX_GetComponentsOfRole = OMX_GetComponentsOfRole;
     67             pOMX_GetRolesOfComponent = OMX_GetRolesOfComponent;
     68             pOMX_GetContentPipe = OMX_GetContentPipe;
     69             pOMXConfigParser = Intel_OMXConfigParser;
     70         };
     71 
     72 };
     73 
     74 // function to obtain the interface object from the shared library
     75 extern "C"
     76 {
     77     OSCL_EXPORT_REF OsclAny* PVGetInterface()
     78     {
     79         return PVOMXInterface::Instance();
     80     }
     81     OSCL_EXPORT_REF void PVReleaseInterface(void* interface)
     82     {
     83         PVOMXInterface* pInterface = (PVOMXInterface*)interface;
     84         if (pInterface)
     85         {
     86             OSCL_DELETE(pInterface);
     87         }
     88     }
     89 }
     90