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88a09dd13a
The Pi Camera is one of these. Previously, integers were just being cast to a string instead of formatted as a string.
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2016-2018 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef CSCORE_USBCAMERAPROPERTY_H_
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#define CSCORE_USBCAMERAPROPERTY_H_
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#include <linux/videodev2.h>
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#include <memory>
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#include <wpi/mutex.h>
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#include "PropertyImpl.h"
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namespace cs {
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// Property data
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class UsbCameraProperty : public PropertyImpl {
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public:
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UsbCameraProperty() = default;
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explicit UsbCameraProperty(const wpi::Twine& name_) : PropertyImpl{name_} {}
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// Software property constructor
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UsbCameraProperty(const wpi::Twine& name_, unsigned id_,
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CS_PropertyKind kind_, int minimum_, int maximum_,
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int step_, int defaultValue_, int value_)
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: PropertyImpl(name_, kind_, minimum_, maximum_, step_, defaultValue_,
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value_),
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device{false},
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id{id_} {}
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// Normalized property constructor
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UsbCameraProperty(const wpi::Twine& name_, int rawIndex_,
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const UsbCameraProperty& rawProp, int defaultValue_,
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int value_)
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: PropertyImpl(name_, rawProp.propKind, 1, defaultValue_, value_),
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percentage{true},
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propPair{rawIndex_},
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id{rawProp.id},
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type{rawProp.type} {
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hasMinimum = true;
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minimum = 0;
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hasMaximum = true;
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maximum = 100;
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}
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#ifdef VIDIOC_QUERY_EXT_CTRL
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explicit UsbCameraProperty(const struct v4l2_query_ext_ctrl& ctrl);
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#endif
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explicit UsbCameraProperty(const struct v4l2_queryctrl& ctrl);
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static std::unique_ptr<UsbCameraProperty> DeviceQuery(int fd, __u32* id);
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bool DeviceGet(std::unique_lock<wpi::mutex>& lock, int fd);
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bool DeviceSet(std::unique_lock<wpi::mutex>& lock, int fd) const;
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bool DeviceSet(std::unique_lock<wpi::mutex>& lock, int fd, int newValue,
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const wpi::Twine& newValueStr) const;
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// If this is a device (rather than software) property
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bool device{true};
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// If this is a percentage (rather than raw) property
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bool percentage{false};
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// If not 0, index of corresponding raw/percentage property
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int propPair{0};
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unsigned id{0}; // implementation-level id
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int type{0}; // implementation type, not CS_PropertyKind!
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// If the enum property is integer rather than string
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bool intMenu{false};
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};
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} // namespace cs
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#endif // CSCORE_USBCAMERAPROPERTY_H_
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