c9e1f75791
Since we set entries with android tags directly, which are enums and not arithmetic types, the addEntry template fails to match. Fix this by also allowing enum values in addEntry. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
104 lines
2.5 KiB
C++
104 lines
2.5 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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#ifndef __ANDROID_CAMERA_METADATA_H__
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#define __ANDROID_CAMERA_METADATA_H__
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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 *get();
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const camera_metadata_t *get() 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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#endif /* __ANDROID_CAMERA_METADATA_H__ */
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