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70 lines
2.0 KiB
70 lines
2.0 KiB
7 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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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 V4L2_CAMERA_HAL_METADATA_PROPERTY_H_
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#define V4L2_CAMERA_HAL_METADATA_PROPERTY_H_
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#include "metadata_common.h"
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#include "partial_metadata_interface.h"
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namespace v4l2_camera_hal {
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// A Property is a PartialMetadata that only has a single static tag.
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template <typename T>
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class Property : public PartialMetadataInterface {
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public:
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Property(int32_t tag, T value) : tag_(tag), value_(std::move(value)){};
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virtual std::vector<int32_t> StaticTags() const override { return {tag_}; };
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virtual std::vector<int32_t> ControlTags() const override { return {}; };
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virtual std::vector<int32_t> DynamicTags() const override { return {}; };
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virtual int PopulateStaticFields(
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android::CameraMetadata* metadata) const override {
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return UpdateMetadata(metadata, tag_, value_);
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};
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virtual int PopulateDynamicFields(
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android::CameraMetadata* /*metadata*/) const override {
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return 0;
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};
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virtual int PopulateTemplateRequest(
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int /*template_type*/, android::CameraMetadata* /*metadata*/) const override {
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return 0;
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};
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virtual bool SupportsRequestValues(
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const android::CameraMetadata& /*metadata*/) const override {
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return true;
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};
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virtual int SetRequestValues(
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const android::CameraMetadata& /*metadata*/) override {
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return 0;
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};
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private:
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int32_t tag_;
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T value_;
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};
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} // namespace v4l2_camera_hal
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#endif // V4L2_CAMERA_HAL_METADATA_PROPERTY_H_
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