1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_DRM_I_MEDIA_DECRYPT_MODULE_SERVICE_H 17 #define OHOS_DRM_I_MEDIA_DECRYPT_MODULE_SERVICE_H 18 19 #include "i_mediadecryptmodule_service.h" 20 #include "ipc_types.h" 21 #include "iremote_broker.h" 22 #include "iremote_proxy.h" 23 #include "iremote_stub.h" 24 25 namespace OHOS { 26 namespace DrmStandard { 27 class IMediaDecryptModuleService : public IRemoteBroker { 28 public: 29 struct SubSample { 30 int32_t clearHeaderLen; 31 int32_t payLoadLen; 32 }; 33 34 struct Pattern { 35 int32_t encryptBlocks; 36 int32_t skipBlocks; 37 }; 38 39 enum CryptAlgorithmType { 40 ALGTYPE_UNENCRYPTED = 0, 41 ALGTYPE_AES_CTR, 42 ALGTYPE_AES_WV, 43 ALGTYPE_AES_CBC, 44 ALGTYPE_SM4_CBC, 45 ALGTYPE_SM4_CTR, 46 }; 47 48 struct CryptInfo { 49 CryptAlgorithmType type; 50 std::vector<uint8_t> keyId; 51 std::vector<uint8_t> iv; 52 Pattern pattern; 53 std::vector<SubSample> subSample; 54 }; 55 56 struct DrmBuffer { 57 uint32_t bufferType; 58 int fd; 59 uint32_t bufferLen; 60 uint32_t allocLen; 61 uint32_t filledLen; 62 uint32_t offset; 63 uint32_t sharedMemType; 64 }; 65 66 virtual ~IMediaDecryptModuleService() = default; 67 virtual int32_t Release() = 0; 68 virtual int32_t DecryptMediaData(bool secureDecodrtState, IMediaDecryptModuleService::CryptInfo &cryptInfo, 69 DrmBuffer &srcBuffer, DrmBuffer &dstBuffer) = 0; 70 DECLARE_INTERFACE_DESCRIPTOR(u"IMediaDecryptModuleService"); 71 }; 72 } // DrmStandard 73 } // OHOS 74 #endif // OHOS_DRM_I_MEDIA_DECRYPT_MODULE_SERVICE_H