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_LOCAL_DATA_SOURCE_H_INCLUDED 19 #define PVMF_LOCAL_DATA_SOURCE_H_INCLUDED 20 21 #ifndef OSCL_BASE_H_INCLUDED 22 #include "oscl_base.h" 23 #endif 24 #ifndef PV_UUID_H_INCLUDED 25 #include "pv_uuid.h" 26 #endif 27 #ifndef PV_INTERFACE_H_INCLUDED 28 #include "pv_interface.h" 29 #endif 30 31 #define PVMF_LOCAL_DATASOURCE_UUID PVUuid(0xee849325,0x158a,0x4eb5,0xbd,0x4a,0xb8,0xb4,0x9d,0x77,0x4b,0x92) 32 33 class OsclFileHandle; 34 class PVMFCPMPluginAccessInterfaceFactory; 35 36 #define BITMASK_PVMF_SOURCE_INTENT_PLAY 0x00000001 37 #define BITMASK_PVMF_SOURCE_INTENT_GETMETADATA 0x00000002 38 #define BITMASK_PVMF_SOURCE_INTENT_PREVIEW 0x00000004 39 #define BITMASK_PVMF_SOURCE_INTENT_THUMBNAILS 0x00000008 40 41 //Source data for local file playback (format type PVMF_MPEG4FF & others) 42 class PVMFLocalDataSource : public PVInterface 43 { 44 public: 45 //default constructor 46 PVMFLocalDataSource(OsclFileHandle*aFileHandle = NULL) iFileHandle(aFileHandle)47 : iFileHandle(aFileHandle) 48 , iPreviewMode(false) 49 , iIntent(BITMASK_PVMF_SOURCE_INTENT_PLAY) 50 , iContentAccessFactory(NULL) 51 { 52 } 53 54 //copy constructor PVMFLocalDataSource(const PVMFLocalDataSource & source)55 PVMFLocalDataSource(const PVMFLocalDataSource& source) : PVInterface(source) 56 , iFileHandle(source.iFileHandle) 57 , iPreviewMode(source.iPreviewMode) 58 , iIntent(source.iIntent) 59 , iContentAccessFactory(source.iContentAccessFactory) 60 {} 61 62 /* From PVInterface */ addRef()63 void addRef() 64 { 65 iRefCounter++; 66 } removeRef()67 void removeRef() 68 { 69 iRefCounter--; 70 } queryInterface(const PVUuid & uuid,PVInterface * & iface)71 bool queryInterface(const PVUuid& uuid, PVInterface*& iface) 72 { 73 if (uuid == PVUuid(PVMF_LOCAL_DATASOURCE_UUID)) 74 { 75 iface = this; 76 return true; 77 } 78 else 79 { 80 iface = NULL; 81 return false; 82 } 83 } 84 int32 iRefCounter; 85 86 OsclFileHandle* iFileHandle; 87 //Optional file handle. 88 //When not NULL, the file will be accessed using this handle. 89 //When NULL, the file will be opened using its string URL. 90 91 bool iPreviewMode; 92 //Optional field to indicate if the source that is being 93 //passed in will be played back in a preview mode. 94 95 uint32 iIntent; 96 //Optional field to indicate if the source that is being 97 //passed in will be used for play back or just for metadata retrieval 98 99 PVMFCPMPluginAccessInterfaceFactory* iContentAccessFactory; 100 }; 101 102 103 104 #endif //PVMF_LOCAL_DATA_SOURCE_H_INCLUDED 105 106