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_CPMPLUGIN_ACCESS_INTERFACE_H_INCLUDED 19 #define PVMF_CPMPLUGIN_ACCESS_INTERFACE_H_INCLUDED 20 21 #ifndef OSCL_BASE_H_INCLUDED 22 #include "oscl_base.h" 23 #endif 24 #ifndef OSCL_TYPES_H_INCLUDED 25 #include "oscl_types.h" 26 #endif 27 #ifndef PV_UUID_H_INCLUDED 28 #include "pv_uuid.h" 29 #endif 30 #ifndef PV_INTERFACE_H_INCLUDED 31 #include "pv_interface.h" 32 #endif 33 #ifndef OSCL_FILE_IO_H_INCLUDED 34 #include "oscl_file_io.h" 35 #endif 36 #ifndef PVMF_RETURN_CODES_H_INCLUDED 37 #include "pvmf_return_codes.h" 38 #endif 39 #ifndef PVMI_DATA_STREAM_INTERFACE_H_INCLUDED 40 #include "pvmi_data_stream_interface.h" 41 #endif 42 43 #define PVMF_CPMPLUGIN_ACCESS_INTERFACE_MIMETYPE "pvxxx/pvmf/cpm/plugin/access_interface" 44 #define PVMFCPMPluginAccessInterfaceUuid PVUuid(0xc5f05532,0x7bcb,0x4186,0x85,0xa6,0xfa,0x9e,0x42,0x2d,0xb7,0x6d) 45 46 /** 47 * Base Content Access Interface for all Content Policy Manager Plugins 48 */ 49 class PVMFCPMPluginAccessInterface : public PVInterface 50 { 51 public: 52 virtual void Init(void) = 0; 53 virtual void Reset(void) = 0; 54 }; 55 56 #define PVMF_CPMPLUGIN_DECRYPTION_INTERFACE_MIMETYPE "pvxxx/pvmf/cpm/plugin/remote_sync_access_interface" 57 #define PVMFCPMPluginDecryptionInterfaceUuid PVUuid(0x1e14b2fe,0x947b,0x49c8,0x8b,0x11,0xe9,0xec,0x4c,0x11,0xa2,0x8f) 58 59 /** 60 * Access Unit Decryption Interface for Content Policy Manager Plugins 61 */ 62 class PVMFCPMPluginAccessUnitDecryptionInterface : public PVMFCPMPluginAccessInterface 63 { 64 public: 65 /** 66 * DecryptAccessUnit operation 67 * Decrypts input buffer of size 'aInputSizeInBytes' 68 * 69 * @param aInputBuffer pointer to input buffer containing 70 * encrypted data of type uint8* 71 * 72 * @param aInputBufferSizeInBytes input buffer size in bytes, 73 * 74 * @param aOutputBuffer pointer to output buffer containing 75 * decrypted data of type uint8*, 76 * memory for the buffer allocated by the caller 77 * 78 * @param aOutputBufferSizeInBytes size of allocated output buffer 79 * in bytes 80 * 81 * @return returns true on successful decryption, false otherwise 82 */ 83 virtual bool DecryptAccessUnit(uint8*& aInputBuffer, 84 uint32 aInputBufferSizeInBytes, 85 uint8*& aOutputBuffer, 86 uint32& aOutputBufferSizeInBytes, 87 uint32 aTrackID = 0, 88 uint32 aAccesUnitTimeStamp = 0) = 0; 89 virtual int32 GetDecryptError() = 0; 90 91 /** 92 * For in-place decryption 93 */ 94 virtual bool CanDecryptInPlace() = 0; 95 virtual bool DecryptAccessUnit(uint8*& aInputBuffer, 96 uint32 aInputBufferSizeInBytes, 97 uint32 aTrackID = 0, 98 uint32 aAccesUnitTimeStamp = 0) = 0; 99 100 /** 101 * Optional version of DecryptAccessUnit with a decrypt context 102 */ 103 virtual bool DecryptAccessUnit(uint8*& aInputBuffer, 104 uint32 aInputBufferSizeInBytes, 105 uint32 aTrackID , 106 uint32 aAccesUnitTimeStamp, 107 PVInterface* aContext = NULL) 108 { 109 OSCL_UNUSED_ARG(aInputBuffer); 110 OSCL_UNUSED_ARG(aInputBufferSizeInBytes); 111 OSCL_UNUSED_ARG(aTrackID); 112 OSCL_UNUSED_ARG(aAccesUnitTimeStamp); 113 OSCL_UNUSED_ARG(aContext); 114 return false; 115 } 116 117 }; 118 119 120 #endif //PVMF_CPMPLUGIN_ACCESS_INTERFACE_H_INCLUDED 121 122
