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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-10-21 23:47:31 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-11-25 10:52:06 +0200
commit947b8627f9a27e2966c05443f1d2af5561efdb64 (patch)
treeeaf21c280663c7f7e1df7e3b3b2fc184c510d919 /src/apps/qcam/assets/feathericons/tool.svg
parent81e7689bb168a74c0822846729d992128da97322 (diff)
ipa: rkisp1: Support raw capture in IPA operations
The RkISP1 can capture raw frames by bypassing the ISP. In that mode, the ISP will not produce statistics nor consume parameters. Most algorithms will thus be unable to run, with one exception: the AGC will still be able to configure the sensor exposure time and analog gain in manual mode. To prepare for this, add the ability to disable algorithms for the duration of the capture session based on the camera configuration. Individual algorithms report whether they support raw formats at construction time, and the IPA module disables algorithms in configure() based on the stream configurations. Disabled algorithms are skipped during the capture session in the processStatsBuffer() operation. As the ISP doesn't produce statistics, don't try to access the stats buffer. There is no need for similar logic in fillParamsBuffer() as that operation won't be called for raw capture. All algorithms report not supporting raw capture by default. Raw support in AGC will be added separately. The feature is implemented in the RkISP1 module without any support from libipa at this point to avoid designing a generic API based on a single user. This may be changed in the future. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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generated by cgit v1.2.1 (git 2.18.0) at 2025-02-15 10:26:32 +0000
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2020, Google Inc.
 *
 * libcamera delayed controls test
 */

#include <iostream>

#include "libcamera/internal/delayed_controls.h"
#include "libcamera/internal/device_enumerator.h"
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/v4l2_videodevice.h"

#include "test.h"

using namespace std;
using namespace libcamera;

class DelayedControlsTest : public Test
{
public:
	DelayedControlsTest()
	{
	}

protected:
	int init() override
	{
		enumerator_ = DeviceEnumerator::create();
		if (!enumerator_) {
			cerr << "Failed to create device enumerator" << endl;
			return TestFail;
		}

		if (enumerator_->enumerate()) {
			cerr << "Failed to enumerate media devices" << endl;
			return TestFail;
		}

		DeviceMatch dm("vivid");
		dm.add("vivid-000-vid-cap");

		media_ = enumerator_->search(dm);
		if (!media_) {
			cerr << "vivid video device found" << endl;
			return TestSkip;
		}

		dev_ = V4L2VideoDevice::fromEntityName(media_.get(), "vivid-000-vid-cap");
		if (dev_->open()) {
			cerr << "Failed to open video device" << endl;
			return TestFail;
		}

		const ControlInfoMap &infoMap = dev_->controls();

		/* Make sure the controls we require are present. */
		if (infoMap.empty()) {
			cerr << "Failed to enumerate controls" << endl;
			return TestFail;
		}

		if (infoMap.find(V4L2_CID_BRIGHTNESS) == infoMap.end() ||
		    infoMap.find(V4L2_CID_CONTRAST) == infoMap.end()) {
			cerr << "Missing controls" << endl;
			return TestFail;
		}

		return TestPass;
	}

	int singleControlNoDelay()
	{
		std::unordered_map<uint32_t, DelayedControls::ControlParams> delays = {
			{ V4L2_CID_BRIGHTNESS, { 0, false } },
		};
		std::unique_ptr<DelayedControls> delayed =
			std::make_unique<DelayedControls>(dev_.get(), delays);
		ControlList ctrls;

		/* Reset control to value not used in test. */
		ctrls.set(V4L2_CID_BRIGHTNESS, 1);
		dev_->setControls(&ctrls);
		delayed->reset();

		/* Trigger the first frame start event */
		delayed->applyControls(0);

		/* Test control without delay are set at once. */
		for (unsigned int i = 1; i < 100; i++) {
			int32_t value = 100 + i;

			ctrls.set(V4L2_CID_BRIGHTNESS, value);
			delayed->push(ctrls);

			delayed->applyControls(i);

			ControlList result = delayed->get(i);
			int32_t brightness = result.get(V4L2_CID_BRIGHTNESS).get<int32_t>();
			if (brightness != value) {
				cerr << "Failed single control without delay"
				     << " frame " << i
				     << " expected " << value
				     << " got " << brightness
				     << endl;
				return TestFail;
			}
		}

		return TestPass;
	}

	int singleControlWithDelay()
	{
		std::unordered_map<uint32_t, DelayedControls::ControlParams> delays = {
			{ V4L2_CID_BRIGHTNESS, { 1, false } },
		};
		std::unique_ptr<DelayedControls> delayed =
			std::make_unique<DelayedControls>(dev_.get(), delays);
		ControlList ctrls;

		/* Reset control to value that will be first in test. */
		int32_t expected = 4;
		ctrls.set(V4L2_CID_BRIGHTNESS, expected);
		dev_->setControls(&ctrls);
		delayed->reset();

		/* Trigger the first frame start event */
		delayed->applyControls(0);

		/* Test single control with delay. */
		for (unsigned int i = 1; i < 100; i++) {