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_AMRFFPARSER_FACTORY_H_INCLUDED 19 #define PVMF_AMRFFPARSER_FACTORY_H_INCLUDED 20 21 #ifndef OSCL_SCHEDULER_AO_H_INCLUDED 22 #include "oscl_scheduler_ao.h" 23 #endif 24 25 // Forward declaration 26 class PVMFNodeInterface; 27 28 #define KPVMFAmrFFParserNodeUuid PVUuid(0x9966e471,0xc1b7,0x4b3c,0x93,0x9e,0x1e,0x00,0xc8,0xed,0xe5,0xf4) 29 30 31 /** 32 * PVMFAMRFFParserNodeFactory Class 33 * 34 * PVMFAMRFFParserNodeFactory class is a singleton class which instantiates and provides 35 * access to PVMF GSM-AMR NB audio decoder node. It returns a PVMFNodeInterface 36 * reference, the interface class of the PVMFAMRFFParserNode. 37 * 38 * The client is expected to contain and maintain a pointer to the instance created 39 * while the node is active. 40 */ 41 class PVMFAMRFFParserNodeFactory 42 { 43 public: 44 /** 45 * Creates an instance of a PVMFAMRFFParserNode. If the creation fails, this function will leave. 46 * 47 * @param aPriority The active object priority for the node. Default is standard priority if not specified 48 * @returns A pointer to an instance of PVMFAMRFFParserNode as PVMFNodeInterface reference or leaves if instantiation fails 49 **/ 50 OSCL_IMPORT_REF static PVMFNodeInterface* CreatePVMFAMRFFParserNode(int32 aPriority = OsclActiveObject::EPriorityNominal); 51 52 /** 53 * Deletes an instance of PVMFAMRFFParserNode 54 * and reclaims all allocated resources. An instance can be deleted only in 55 * the idle state. An attempt to delete in any other state will fail and return false. 56 * 57 * @param aNode The PVMFAMRFFParserNode instance to be deleted 58 * @returns A status code indicating success or failure of deletion 59 **/ 60 OSCL_IMPORT_REF static bool DeletePVMFAMRFFParserNode(PVMFNodeInterface* aNode); 61 }; 62 63 64 65 #endif // PVMF_AMRFFPARSER_FACTORY_H_INCLUDED 66 67