mirror of
https://github.com/openharmony/multimedia_image_standard.git
synced 2026-07-24 05:12:38 -04:00
caochuan
54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/*
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* Copyright (C) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PLUGIN_SERVICE_H
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#define PLUGIN_SERVICE_H
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namespace OHOS {
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namespace MultimediaPlugin {
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constexpr uint8_t SUBID_BIT_NUM = 12;
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constexpr uint16_t INVALID_IID = 0xFFFF;
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constexpr uint16_t IID_TYPE_GENERAL = 0;
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constexpr uint16_t IID_TYPE_PIPELINE = 1;
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constexpr uint16_t MakeInterfaceID(uint16_t interfaceIDType, uint16_t subID)
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{
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return ((interfaceIDType << SUBID_BIT_NUM) | subID);
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}
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constexpr uint16_t GetInterfaceIDType(uint16_t interfaceID)
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{
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return (interfaceID >> SUBID_BIT_NUM);
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}
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constexpr uint16_t PLUGIN_EXAMPLE_IID = MakeInterfaceID(IID_TYPE_GENERAL, 0);
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constexpr uint16_t IMAGE_FORMAT_AGENT_IID = MakeInterfaceID(IID_TYPE_GENERAL, 1);
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constexpr uint16_t IMAGE_DECODER_IID = MakeInterfaceID(IID_TYPE_GENERAL, 2);
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constexpr uint16_t IMAGE_ENCODER_IID = MakeInterfaceID(IID_TYPE_GENERAL, 3);
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constexpr uint16_t IMAGE_DECOMPRESS_COMP_IID = MakeInterfaceID(IID_TYPE_GENERAL, 4);
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constexpr uint16_t IMAGE_EXIF_IID = MakeInterfaceID(IID_TYPE_GENERAL, 5);
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template<class T> inline uint16_t GetInterfaceId()
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{
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return INVALID_IID;
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}
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#define GET_INTERFACE_ID OHOS::MultimediaPlugin::GetInterfaceId
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#define DECLARE_INTERFACE(Type, ID) template<> inline uint16_t GET_INTERFACE_ID<Type>() { return ID; }
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} // namespace MultimediaPlugin
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} // namespace OHOS
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#endif // PLUGIN_SERVICE_H
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