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_DURATION_INFOMESSAGE_H_INCLUDED 19 #define PVMF_DURATION_INFOMESSAGE_H_INCLUDED 20 21 #ifndef PVMF_DURATIONINFOMESSAGE_EXTENSION_H_INCLUDED 22 #include "pvmf_durationinfomessage_extension.h" 23 #endif 24 25 /* 26 This class that provides basic implementation of PVMFDurationInfoMessageInterface. 27 This object can carry the code, UUID, and duration information associated with an 28 info event. 29 */ 30 class PVMFDurationInfoMessage : public PVMFDurationInfoMessageInterface 31 { 32 public: 33 /* 34 Default constructor. Ref count is initialized to 1. 35 This object should always be created with OSCL_NEW. 36 37 Event code is initialized to 0. 38 Event UUId is initialized to 0. 39 Event data is NULL. 40 Next message pointer is NULL 41 */ 42 OSCL_IMPORT_REF PVMFDurationInfoMessage(); 43 44 /* 45 Constructor with initialization parameters. Ref count is initialized to 1 46 This object should always be created with OSCL_NEW. 47 48 @param aCode Event code value 49 @param aUuid UUID for the event code's group 50 @param aData Pointer to the event's opaque data (optional) 51 @param aNextMsg Pointer to the next message in the list (optional) 52 */ 53 OSCL_IMPORT_REF PVMFDurationInfoMessage(uint32 aDuration, int32 aCode = 0, PVUuid aUuid = PVMFDurationInfoMessageInterfaceUUID); 54 55 /* 56 A derived class should override this in order to destroy itself 57 properly by calling OSCL_DELETE with its own type name. 58 */ 59 OSCL_IMPORT_REF virtual void destroy(); 60 61 /* 62 Method to set the event code and UUID 63 64 @param aCode Event code value 65 @param aUuid UUID for the event code's group 66 */ 67 OSCL_IMPORT_REF void SetEventCodeUUID(int32 aCode, PVUuid aUuid); 68 69 // From PVMFDurationInfoMessageInterface 70 OSCL_IMPORT_REF void GetCodeUUID(int32& aCode, PVUuid& aUuid); 71 OSCL_IMPORT_REF uint32 GetDuration(); 72 73 // From PVInterface 74 OSCL_IMPORT_REF virtual void addRef(); 75 OSCL_IMPORT_REF virtual void removeRef(); 76 OSCL_IMPORT_REF virtual bool queryInterface(const PVUuid& uuid, PVInterface*& iface); 77 78 protected: 79 /* Destructor 80 */ 81 OSCL_IMPORT_REF virtual ~PVMFDurationInfoMessage(); 82 83 private: 84 int32 iEventCode; 85 PVUuid iEventUuid; 86 uint32 iDuration; 87 int32 iRefCount; 88 }; 89 90 #endif // PVMF_BASIC_ERRORINFOMESSAGE_H_INCLUDED 91 92 93