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 #ifndef PVMF_MP4FFPARSER_FACTORY_H_INCLUDED 19 #define PVMF_MP4FFPARSER_FACTORY_H_INCLUDED 20 21 #ifndef OSCL_BASE_H_INCLUDED 22 #include "oscl_base.h" 23 #endif 24 25 #ifndef OSCL_SCHEDULER_AO_H_INCLUDED 26 #include "oscl_scheduler_ao.h" 27 #endif 28 29 // Forward declaration 30 class PVMFNodeInterface; 31 32 #define KPVMFMP4FFParserNodeUuid PVUuid(0xb7d84b4a,0xfa69,0x4e4a,0x9d,0x43,0xa2,0x22,0x83,0x3f,0xb1,0x2f) 33 34 /** 35 * PVMFMP4FFParserNodeFactory Class 36 * 37 * PVMFMP4FFParserNodeFactory class is a singleton class which instantiates and provides 38 * access to PVMF MP4 file format parser node. It returns a PVMFNodeInterface 39 * reference, the interface class of the PVMFMP4FFParserNode. 40 * 41 * The client is expected to contain and maintain a pointer to the instance created 42 * while the node is active. 43 */ 44 class PVMFMP4FFParserNodeFactory 45 { 46 public: 47 /** 48 * Creates an instance of a PVMFMP4FFParserNode. If the creation fails, this function will leave. 49 * 50 * @param aPriority The active object priority for the node. Default is standard priority if not specified 51 * @returns A pointer to an instance of PVMFMP4FFParserNode as PVMFNodeInterface reference or leaves if instantiation fails 52 **/ 53 OSCL_IMPORT_REF static PVMFNodeInterface* CreatePVMFMP4FFParserNode(int32 aPriority = OsclActiveObject::EPriorityNominal); 54 55 /** 56 * Deletes an instance of PVMFMP4FFParserNode 57 * and reclaims all allocated resources. An instance can be deleted only in 58 * the idle state. An attempt to delete in any other state will fail and return false. 59 * 60 * @param aNode The PVMFMP4FFParserNode instance to be deleted 61 * @returns A status code indicating success or failure of deletion 62 **/ 63 OSCL_IMPORT_REF static bool DeletePVMFMP4FFParserNode(PVMFNodeInterface* aNode); 64 }; 65 66 #endif // PVMF_MP4FFPARSER_FACTORY_H_INCLUDED 67