void PVMFProtocolEngineNodeRegistry::AddLoadableModules()
{
LOGINFO((0, "PVMFProtocolEngineNodeRegistry::AddLoadableModules() IN"));
#if USE_LOADABLE_MODULES
OsclConfigFileList aCfgList;
// collects all config files from the project specified directory
if (NULL != PV_DYNAMIC_LOADING_CONFIG_FILE_PATH)
{
OSCL_HeapString<OsclMemAllocator> configFilePath = PV_DYNAMIC_LOADING_CONFIG_FILE_PATH;
aCfgList.Populate(configFilePath);
}
// populate libraries from all config files
for (uint k = 0; k < aCfgList.Size(); k++)
{
OsclLibraryList libList;
libList.Populate(PVMF_PROTOCOL_ENGINE_NODE_REGISTRY_POPULATOR_INTERFACE, aCfgList.GetConfigfileAt(k));
for (uint32 i = 0; i < libList.Size(); i++)
{
OsclSharedLibrary* lib = OSCL_NEW(OsclSharedLibrary, ());
if (lib->LoadLib(libList.GetLibraryPathAt(i)) == OsclLibSuccess)
{
OsclAny* interfacePtr = NULL;
OsclLibStatus result = lib->QueryInterface(PVMF_PROTOCOL_ENGINE_NODE_REGISTRY_POPULATOR_INTERFACE, (OsclAny*&)interfacePtr);
if (result == OsclLibSuccess && interfacePtr != NULL)
{
struct PVProtocolEngineNodeSharedLibInfo *libInfo =
(struct PVProtocolEngineNodeSharedLibInfo *)oscl_malloc(sizeof(struct PVProtocolEngineNodeSharedLibInfo));
if (NULL != libInfo)
{
libInfo->iLib = lib;
PVMFProtocolEngineNodeRegistryPopulatorInterface* nodeLibIntPtr = OSCL_DYNAMIC_CAST(PVMFProtocolEngineNodeRegistryPopulatorInterface*, interfacePtr);
libInfo->iNodeLibIfacePtr = nodeLibIntPtr;
nodeLibIntPtr->Register(this);
// save for depopulation later
iNodeLibInfoList.push_front(libInfo);
continue;
}
}
}
lib->Close();
OSCL_DELETE(lib);
}
// ALL the standard OpenMAX IL core functions are implemented below
static OMX_ERRORTYPE _OMX_MasterInit(OMXMasterCoreGlobalData *data)
{
OMX_ERRORTYPE Status = OMX_ErrorNone;
OMX_U32 jj;
OMX_U32 index;
OMX_U32 master_index = 0;
OMX_U32 component_index = 0;
/*
** Step 1. Populate all the config files present in the specified path.
** Step 2. Populate all the libraries from the .cfg files that claim to support the OMX_INTERFACE_ID.
** Step 3. For these libraries, validate whether they really support the ID by doing a QueryInterface().
*/
// Step 1
OsclConfigFileList aCfgList;
OSCL_HeapString<OsclMemAllocator> configFilePath = PV_DYNAMIC_LOADING_CONFIG_FILE_PATH;
aCfgList.Populate(configFilePath, OsclConfigFileList::ESortByName);
// array of ptrs to various cores, one for every valid configuration
OMXInterface** pInterface = (OMXInterface**)OSCL_MALLOC(aCfgList.Size() * sizeof(OMXInterface *));
if (pInterface == NULL)
{
return OMX_ErrorInsufficientResources;
}
// set the global ptr to this array
data->iInterface = (void*)pInterface;
// array of ptrs to the omx shared libraries, one for every valid configuration
OsclSharedLibrary** pLibrary = (OsclSharedLibrary**)OSCL_MALLOC(aCfgList.Size() * sizeof(OsclSharedLibrary *));
if (pLibrary == NULL)
{
return OMX_ErrorInsufficientResources;
}
// set the global ptr to this array
//
data->iOMXLibrary = (void*)pLibrary;
for (uint ii = 0; ii < aCfgList.Size(); ii++)
{
// Step 2
OsclLibraryList libList;
libList.Populate(OMX_INTERFACE_ID, aCfgList.GetConfigfileAt(ii));
for (uint jj = 0; (jj < libList.Size()) && ((data->iNumOMXCores) < aCfgList.Size()); jj++)
{
OsclSharedLibrary* lib = OSCL_NEW(OsclSharedLibrary, ());
if (lib->LoadLib(libList.GetLibraryPathAt(jj)) == OsclLibSuccess)
{
OsclAny* interfacePtr = NULL;
// Step 3
OsclLibStatus result = lib->QueryInterface(OMX_INTERFACE_ID, (OsclAny*&)interfacePtr);
if (result == OsclLibSuccess && interfacePtr != NULL)
{
pLibrary[(data->iNumOMXCores)] = lib;
OMXInterface* coreIntPtr = OSCL_DYNAMIC_CAST(OMXInterface*, interfacePtr);
pInterface[(data->iNumOMXCores)] = coreIntPtr;
(data->iNumOMXCores)++;
continue;
}
}
lib->Close();
OSCL_DELETE(lib);
}