1 /* 2 * Copyright (c) 2023-2024 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_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H 17 #define OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H 18 19 #include <stdint.h> 20 #include <map> 21 #include <vector> 22 #include <hdf_base.h> 23 #include <hdi_base.h> 24 #include "drm/v1_0/media_key_system_types.h" 25 26 #ifndef HDI_BUFF_MAX_SIZE 27 #define HDI_BUFF_MAX_SIZE (1024 * 200) 28 #endif 29 30 #ifndef HDI_CHECK_VALUE_RETURN 31 #define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) \ 32 do { \ 33 if ((lv)compare(rv)) { \ 34 return ret; \ 35 } \ 36 } while (false) 37 #endif 38 39 #ifndef HDI_CHECK_VALUE_RET_GOTO 40 #define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) \ 41 do { \ 42 if ((lv)compare(rv)) { \ 43 ret = value; \ 44 goto table; \ 45 } \ 46 } while (false) 47 #endif 48 49 namespace OHOS { 50 namespace HDI { 51 namespace Drm { 52 namespace V1_0 { 53 using namespace OHOS; 54 using namespace OHOS::HDI; 55 56 enum { 57 CMD_MEDIA_KEY_SESSION_CALLBACK_GET_VERSION = 0, 58 CMD_MEDIA_KEY_SESSION_CALLBACK_SEND_EVENT = 1, 59 CMD_MEDIA_KEY_SESSION_CALLBACK_SEND_EVENT_KEY_CHANGE = 2, 60 }; 61 62 class IMediaKeySessionCallback : public HdiBase { 63 public: 64 DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.drm.v1_0.IMediaKeySessionCallback"); 65 66 virtual ~IMediaKeySessionCallback() = default; 67 68 virtual int32_t SendEvent(OHOS::HDI::Drm::V1_0::EventType eventType, int32_t extra, 69 const std::vector<uint8_t> &data) = 0; 70 71 virtual int32_t SendEventKeyChange( 72 const std::map<std::vector<uint8_t>, OHOS::HDI::Drm::V1_0::MediaKeySessionKeyStatus> &keyStatus, 73 bool newKeysAvailable) = 0; 74 GetVersion(uint32_t & majorVer,uint32_t & minorVer)75 virtual int32_t GetVersion(uint32_t &majorVer, uint32_t &minorVer) 76 { 77 majorVer = 1; 78 minorVer = 0; 79 return HDF_SUCCESS; 80 } 81 IsProxy()82 virtual bool IsProxy() 83 { 84 return false; 85 } 86 GetDesc()87 virtual const std::u16string GetDesc() 88 { 89 return metaDescriptor_; 90 } 91 }; 92 } // V1_0 93 } // Drm 94 } // HDI 95 } // OHOS 96 97 #endif // OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H