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