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_IMEDIAKEYSYSTEMCALLBACK_H 17 #define OHOS_HDI_DRM_V1_0_IMEDIAKEYSYSTEMCALLBACK_H 18 19 #include <stdint.h> 20 #include <vector> 21 #include <hdf_base.h> 22 #include <hdi_base.h> 23 #include "drm/v1_0/media_key_system_types.h" 24 25 #ifndef HDI_BUFF_MAX_SIZE 26 #define HDI_BUFF_MAX_SIZE (1024 * 200) 27 #endif 28 29 #ifndef HDI_CHECK_VALUE_RETURN 30 #define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) \ 31 do { \ 32 if ((lv)compare(rv)) { \ 33 return ret; \ 34 } \ 35 } while (false) 36 #endif 37 38 #ifndef HDI_CHECK_VALUE_RET_GOTO 39 #define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) \ 40 do { \ 41 if ((lv)compare(rv)) { \ 42 ret = value; \ 43 goto table; \ 44 } \ 45 } while (false) 46 #endif 47 48 namespace OHOS { 49 namespace HDI { 50 namespace Drm { 51 namespace V1_0 { 52 using namespace OHOS; 53 using namespace OHOS::HDI; 54 55 enum { 56 CMD_MEDIA_KEY_SYSTEM_CALLBACK_GET_VERSION = 0, 57 CMD_MEDIA_KEY_SYSTEM_CALLBACK_SEND_EVENT = 1, 58 }; 59 60 class IMediaKeySystemCallback : public HdiBase { 61 public: 62 DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.drm.v1_0.IMediaKeySystemCallback"); 63 64 virtual ~IMediaKeySystemCallback() = default; 65 66 virtual int32_t SendEvent(OHOS::HDI::Drm::V1_0::EventType eventType, int32_t extra, 67 const std::vector<uint8_t> &data) = 0; 68 GetVersion(uint32_t & majorVer,uint32_t & minorVer)69 virtual int32_t GetVersion(uint32_t &majorVer, uint32_t &minorVer) 70 { 71 majorVer = 1; 72 minorVer = 0; 73 return HDF_SUCCESS; 74 } 75 IsProxy()76 virtual bool IsProxy() 77 { 78 return false; 79 } 80 GetDesc()81 virtual const std::u16string GetDesc() 82 { 83 return metaDescriptor_; 84 } 85 }; 86 } // V1_0 87 } // Drm 88 } // HDI 89 } // OHOS 90 91 #endif // OHOS_HDI_DRM_V1_0_IMEDIAKEYSYSTEMCALLBACK_H