/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2021, Google Inc. * * camera_capabilities.h - Camera static properties manager */ #ifndef __ANDROID_CAMERA_CAPABILITIES_H__ #define __ANDROID_CAMERA_CAPABILITIES_H__ #include #include #include #include #include #include #include #include #include "camera_metadata.h" class CameraCapabilities { public: CameraCapabilities() = default; int initialize(std::shared_ptr camera, int orientation, int facing); CameraMetadata *staticMetadata() const { return staticMetadata_.get(); } libcamera::PixelFormat toPixelFormat(int format) const; unsigned int maxJpegBufferSize() const { return maxJpegBufferSize_; } std::unique_ptr requestTemplateManual() const; std::unique_ptr requestTemplatePreview() const; std::unique_ptr requestTemplateStill() const; std::unique_ptr requestTemplateVideo() const; private: LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraCapabilities) struct Camera3StreamConfiguration { libcamera::Size resolution; int androidFormat; }; bool validateManualSensorCapability(); bool validateManualPostProcessingCapability(); bool validateBurstCaptureCapability(); std::set computeCapabilities(); void computeHwLevel( const std::set &caps); std::vector initializeYUVResolutions(const libcamera::PixelFormat &pixelFormat, const std::vector &resolutions); std::vector initializeRawResolutions(const libcamera::PixelFormat &pixelFormat); int initializeStreamConfigurations(); int initializeStaticMetadata(); std::shared_ptr camera_; int facing_; int orientation_; bool rawStreamAvailable_; camera_metadata_enum_android_info_supported_hardware_level hwLevel_; std::vector streamConfigurations_; std::map formatsMap_; std::unique_ptr staticMetadata_; unsigned int maxJpegBufferSize_; std::set availableCharacteristicsKeys_; std::set availableRequestKeys_; std::set availableResultKeys_; }; #endif /* __ANDROID_CAMERA_CAPABILITIES_H__ */ un-v2 Jacopo Mondi's clone of libcameragit repository hosting on libcamera.org
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * timer.cpp - Timer test
 */

#include <chrono>
#include <iostream>

#include <libcamera/event_dispatcher.h>
#include <libcamera/timer.h>

#include "test.h"
#include "thread.h"

using namespace std;
using namespace libcamera;

class ManagedTimer : public Timer
{
public:
	ManagedTimer()
		: Timer(), count_(0)
	{
		timeout.connect(this, &ManagedTimer::timeoutHandler);
	}

	void start(int msec)
	{
		count_ = 0;
		start_ = std::chrono::steady_clock::now();
		expiration_ = std::chrono::steady_clock::time_point();

		Timer::start(msec);
	}

	void start(std::chrono::steady_clock::time_point deadline)
	{
		count_ = 0;
		start_ = std::chrono::steady_clock::now();
		expiration_ = std::chrono::steady_clock::time_point();

		Timer::start(deadline);
	}

	int jitter()
	{
		std::chrono::steady_clock::duration duration = expiration_ - deadline();
		return abs(std::chrono::duration_cast<std::chrono::milliseconds>(duration).count());
	}

	bool hasFailed()
	{
		return isRunning() || count_ != 1 || jitter() > 50;
	}

private:
	void timeoutHandler(Timer *timer)
	{
		expiration_ = std::chrono::steady_clock::now();
		count_++;
	}

	unsigned int count_;
	std::chrono::steady_clock::time_point start_;
	std::chrono::steady_clock::time_point expiration_;
};

class TimerTest : public Test
{
protected:
	int init()
	{
		return 0;
	}

	int run()
	{
		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
		ManagedTimer timer;
		ManagedTimer timer2;

		/* Timer expiration. */
		timer.start(1000);

		if (!timer.isRunning()) {
			cout << "Timer expiration test failed" << endl;
			return TestFail;
		}

		dispatcher->processEvents();

		if (timer.hasFailed()) {
			cout << "Timer expiration test failed" << endl;
			return TestFail;
		}

		/*
		 * 32 bit wrap test
		 * Nanosecond resolution in a 32 bit value wraps at 4.294967
		 * seconds (0xFFFFFFFF / 1000000)
		 */
		timer.start(4295);