| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| /* This file defines a PV NodeSharedLibrary interface that populates the |
| registry with the streaming manager node. |
| */ |
| |
| #ifndef PVMFRTSPNODEREG_H_INCLUDED |
| #include "pvmfrtspnodereg.h" |
| #endif |
| |
| #ifndef PVMF_NODE_SHARED_LIB_INTERFACE_H_INCLUDED |
| #include "pvmf_node_shared_lib_interface.h" |
| #endif |
| |
| #ifndef PVMF_NODE_INTERFACE_H_INCLUDED |
| #include "pvmf_node_interface.h" |
| #endif |
| |
| #ifndef PVMF_RECOGNIZER_REGISTRY_H_INCLUDED |
| #include "pvmf_recognizer_registry.h" |
| #endif |
| |
| #ifndef OSCLCONFIG_H_INCLUDED |
| #include "osclconfig.h" |
| #endif |
| |
| #ifndef OSCL_SHARED_LIBRARY_H_INCLUDED |
| #include "oscl_shared_library.h" |
| #endif |
| |
| #define NODE_REGISTRY_LIB_NAME_MAX_LENGTH 64 |
| |
| #define RTSP_LIB_NAME "libopencore_rtsp.so" |
| |
| typedef PVMFNodeInterface*(* LPFN_NODE_CREATE_FUNC)(int32); |
| |
| typedef bool (* LPFN_NODE_RELEASE_FUNC)(PVMFNodeInterface *); |
| |
| // Factory functions |
| PVMFNodeInterface* StreamingNodesCoreLibraryLoader::CreateStreamingManagerNode(int32 aPriority) |
| { |
| OsclSharedLibrary* streamingSharedLibrary = NULL; |
| OSCL_StackString<NODE_REGISTRY_LIB_NAME_MAX_LENGTH> libname(RTSP_LIB_NAME); |
| |
| // Need to load the library for the node |
| streamingSharedLibrary = OSCL_NEW(OsclSharedLibrary, (libname)); |
| OsclLibStatus result = streamingSharedLibrary->LoadLib(); |
| if (OsclLibSuccess != result) |
| { |
| return NULL; |
| } |
| |
| streamingSharedLibrary->AddRef(); |
| |
| // Query for create function |
| OsclAny* interfacePtr = NULL; |
| |
| streamingSharedLibrary->QueryInterface(PV_NODE_INTERFACE, (OsclAny*&)interfacePtr); |
| |
| NodeSharedLibraryInterface* nodeIntPtr = OSCL_DYNAMIC_CAST(NodeSharedLibraryInterface*, interfacePtr); |
| |
| OsclAny* createFuncTemp = nodeIntPtr->QueryNodeInterface(KPVMFRTSPStreamingModuleUuid, PV_CREATE_NODE_INTERFACE); |
| |
| LPFN_NODE_CREATE_FUNC nodeCreateFunc = OSCL_DYNAMIC_CAST(PVMFNodeInterface * (*)(int32), createFuncTemp); |
| |
| if (NULL != nodeCreateFunc) |
| { |
| PVMFNodeInterface* node = NULL; |
| // call the real node factory function |
| node = (*(nodeCreateFunc))(aPriority); |
| if (NULL == node) |
| { |
| streamingSharedLibrary->RemoveRef(); |
| |
| if (OsclLibSuccess == streamingSharedLibrary->Close()) |
| { |
| // Close will unload the library if refcount is 0 |
| OSCL_DELETE(streamingSharedLibrary); |
| } |
| |
| return NULL; |
| } |
| node->SetSharedLibraryPtr(streamingSharedLibrary); |
| return node; |
| } |
| return NULL; |
| } |
| |
| bool StreamingNodesCoreLibraryLoader::DeleteStreamingManagerNode(PVMFNodeInterface* aNode) |
| { |
| bool bStatus = false; |
| OsclSharedLibrary* streamingSharedLibrary = NULL; |
| |
| if (NULL == aNode) |
| { |
| return false; |
| } |
| |
| // Retrieve shared library pointer |
| streamingSharedLibrary = aNode->GetSharedLibraryPtr(); |
| |
| if (NULL != streamingSharedLibrary) |
| { |
| // Query fro release function |
| OsclAny* interfacePtr = NULL; |
| |
| streamingSharedLibrary->QueryInterface(PV_NODE_INTERFACE, (OsclAny*&)interfacePtr); |
| |
| NodeSharedLibraryInterface* nodeIntPtr = OSCL_DYNAMIC_CAST(NodeSharedLibraryInterface*, interfacePtr); |
| |
| OsclAny* releaseFuncTemp = nodeIntPtr->QueryNodeInterface(KPVMFRTSPStreamingModuleUuid, PV_RELEASE_NODE_INTERFACE); |
| |
| LPFN_NODE_RELEASE_FUNC nodeReleaseFunc = OSCL_DYNAMIC_CAST(bool (*)(PVMFNodeInterface*), releaseFuncTemp); |
| |
| if (NULL != nodeReleaseFunc) |
| { |
| bStatus = (*(nodeReleaseFunc))(aNode); |
| } |
| |
| streamingSharedLibrary->RemoveRef(); |
| |
| if (OsclLibSuccess == streamingSharedLibrary->Close()) |
| { |
| // Close will unload the library if refcount is 0 |
| OSCL_DELETE(streamingSharedLibrary); |
| } |
| } |
| |
| return bStatus; |
| } |
| |
| |
| |
| class StreamingNodesRegistryInterface: public OsclSharedLibraryInterface, |
| public NodeRegistryPopulatorInterface, |
| public RecognizerPopulatorInterface |
| { |
| public: |
| StreamingNodesRegistryInterface() {}; |
| |
| // From NodeRegistryPopulatorInterface |
| void RegisterAllNodes(PVPlayerNodeRegistryInterface* aRegistry, OsclAny*& aContext) |
| { |
| PVPlayerNodeInfo nodeinfo; |
| |
| OSCL_StackString<NODE_REGISTRY_LIB_NAME_MAX_LENGTH> libname(RTSP_LIB_NAME); |
| |
| Oscl_Vector<PVPlayerNodeInfo, OsclMemAllocator>* nodeList = new Oscl_Vector<PVPlayerNodeInfo, OsclMemAllocator>; |
| |
| //For PVMFStreamingManagerNode |
| nodeinfo.iInputTypes.clear(); |
| nodeinfo.iInputTypes.push_back(PVMF_MIME_DATA_SOURCE_RTSP_URL); |
| nodeinfo.iInputTypes.push_back(PVMF_MIME_DATA_SOURCE_SDP_FILE); |
| nodeinfo.iNodeUUID = KPVMFRTSPStreamingModuleUuid; |
| nodeinfo.iOutputType.clear(); |
| nodeinfo.iOutputType.push_back(PVMF_MIME_FORMAT_UNKNOWN); |
| nodeinfo.iNodeCreateFunc = (StreamingNodesCoreLibraryLoader::CreateStreamingManagerNode); |
| nodeinfo.iNodeReleaseFunc = (StreamingNodesCoreLibraryLoader::DeleteStreamingManagerNode); |
| |
| aRegistry->RegisterNode(nodeinfo); |
| |
| nodeList->push_back(nodeinfo); |
| |
| aContext = (OsclAny *)nodeList; |
| }; |
| |
| // From NodeRegistryPopulatorInterface |
| void UnregisterAllNodes(PVPlayerNodeRegistryInterface* aRegistry, OsclAny* aContext) |
| { |
| if (NULL != aContext) |
| { |
| Oscl_Vector<PVPlayerNodeInfo, OsclMemAllocator>* nodeList = (Oscl_Vector<PVPlayerNodeInfo, OsclMemAllocator> *)aContext; |
| |
| while (!nodeList->empty()) |
| { |
| PVPlayerNodeInfo tmpnode = nodeList->front(); |
| aRegistry->UnregisterNode(tmpnode); |
| nodeList->erase(nodeList->begin()); |
| } |
| |
| delete nodeList; |
| } |
| }; |
| |
| |
| // From RecognizerPopulatorInterface |
| void RegisterAllRecognizers(PVPlayerRecognizerRegistryInterface* aRegistry, OsclAny*& aContext) |
| { |
| OSCL_UNUSED_ARG(aRegistry); |
| OSCL_UNUSED_ARG(aContext); |
| }; |
| |
| |
| void UnregisterAllRecognizers(PVPlayerRecognizerRegistryInterface* aRegistry, OsclAny* aContext) |
| { |
| OSCL_UNUSED_ARG(aRegistry); |
| OSCL_UNUSED_ARG(aContext); |
| }; |
| |
| // From OsclSharedLibraryInterface |
| OsclAny* SharedLibraryLookup(const OsclUuid& aInterfaceId) |
| { |
| if (aInterfaceId == PV_NODE_REGISTRY_POPULATOR_INTERFACE) |
| { |
| return OSCL_STATIC_CAST(NodeRegistryPopulatorInterface*, this); |
| } |
| return NULL; |
| }; |
| }; |
| |
| |
| extern "C" |
| { |
| OSCL_EXPORT_REF OsclSharedLibraryInterface* PVGetInterface(void) |
| { |
| return OSCL_NEW(StreamingNodesRegistryInterface, ()); |
| } |
| OSCL_EXPORT_REF void PVReleaseInterface(OsclSharedLibraryInterface* aInstance) |
| { |
| OSCL_DELETE(aInstance); |
| } |
| } |
| |