0382fcb22b
Remove the verbose #ifndef/#define/#endif pattern for maintaining header idempotency, and replace it with a simple #pragma once. This simplifies the headers, and prevents redundant changes when header files get moved. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* camera_metadata.h - libcamera Android Camera Metadata Helper
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*/
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#pragma once
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#include <stdint.h>
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#include <vector>
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#include <system/camera_metadata.h>
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class CameraMetadata
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{
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public:
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CameraMetadata();
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CameraMetadata(size_t entryCapacity, size_t dataCapacity);
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CameraMetadata(const camera_metadata_t *metadata);
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CameraMetadata(const CameraMetadata &other);
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~CameraMetadata();
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CameraMetadata &operator=(const CameraMetadata &other);
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std::tuple<size_t, size_t> usage() const;
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bool resized() const { return resized_; }
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bool isValid() const { return valid_; }
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bool getEntry(uint32_t tag, camera_metadata_ro_entry_t *entry) const;
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template<typename T> bool entryContains(uint32_t tag, T value) const;
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bool hasEntry(uint32_t tag) const;
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template<typename T,
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std::enable_if_t<std::is_arithmetic_v<T> ||
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std::is_enum_v<T>> * = nullptr>
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bool addEntry(uint32_t tag, const T &data)
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{
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return addEntry(tag, &data, 1, sizeof(T));
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}
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template<typename T, size_t size>
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bool addEntry(uint32_t tag, const T (&data)[size])
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{
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return addEntry(tag, data, size, sizeof(T));
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}
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template<typename S,
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typename T = typename S::value_type>
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bool addEntry(uint32_t tag, const S &data)
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{
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return addEntry(tag, data.data(), data.size(), sizeof(T));
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}
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template<typename T>
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bool addEntry(uint32_t tag, const T *data, size_t count)
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{
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return addEntry(tag, data, count, sizeof(T));
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}
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template<typename T>
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bool updateEntry(uint32_t tag, const T &data)
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{
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return updateEntry(tag, &data, 1, sizeof(T));
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}
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template<typename T, size_t size>
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bool updateEntry(uint32_t tag, const T (&data)[size])
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{
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return updateEntry(tag, data, size, sizeof(T));
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}
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template<typename S,
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typename T = typename S::value_type>
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bool updateEntry(uint32_t tag, const S &data)
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{
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return updateEntry(tag, data.data(), data.size(), sizeof(T));
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}
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template<typename T>
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bool updateEntry(uint32_t tag, const T *data, size_t count)
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{
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return updateEntry(tag, data, count, sizeof(T));
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}
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camera_metadata_t *getMetadata();
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const camera_metadata_t *getMetadata() const;
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private:
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bool resize(size_t count, size_t size);
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bool addEntry(uint32_t tag, const void *data, size_t count,
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size_t elementSize);
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bool updateEntry(uint32_t tag, const void *data, size_t count,
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size_t elementSize);
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camera_metadata_t *metadata_;
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bool valid_;
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bool resized_;
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};
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