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authorPaul Elder <paul.elder@ideasonboard.com>2022-10-06 20:23:09 +0900
committerPaul Elder <paul.elder@ideasonboard.com>2022-11-25 15:37:22 +0900
commit19dc8c28f63c2dc8842b88c1fd45c999c7171398 (patch)
tree8578d39f3bed43508095f1fc2551c55bf8f65082 /src/android/mm/cros_camera_buffer.cpp
parentcfa748807241bddf0f8bb5f18837d87654437271 (diff)
utils: tuning: libtuning: Implement the core of libtuning
Implement the core of libtuning, our new tuning tool infrastructure. It leverages components from raspberrypi's ctt that could be reused for tuning tools for other platforms. The core components include: - The Image class - libtuning (entry point and other core functions) - macbeth-related tools, including the macbeth reference image - utils Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * libcamera Camera API tests
 *
 * Test importing buffers exported from the VIVID output device into a Camera
 */

#include <algorithm>
#include <iostream>
#include <numeric>
#include <vector>

#include "device_enumerator.h"
#include "media_device.h"
#include "v4l2_videodevice.h"

#include "buffer_source.h"
#include "camera_test.h"
#include "test.h"

using namespace libcamera;

namespace {

class BufferImportTest : public CameraTest, public Test
{
public:
	BufferImportTest()
		: CameraTest("VIMC Sensor B")
	{
	}

protected:
	void bufferComplete(Request *request, FrameBuffer *buffer)
	{
		if (buffer->metadata().status != FrameMetadata::FrameSuccess)
			return;

		completeBuffersCount_++;
	}

	void requestComplete(Request *request)
	{
		if (request->status() != Request::RequestComplete)
			return;

		const std::map<Stream *, FrameBuffer *> &buffers = request->buffers();

		completeRequestsCount_++;

		/* Create a new request. */
		Stream *stream = buffers.begin()->first;
		FrameBuffer *buffer = buffers.begin()->second;

		request = camera_->createRequest();
		request->addBuffer(stream, buffer);
		camera_->queueRequest(request);
	}

	int init() override
	{
		if (status_ != TestPass)
			return status_;

		config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
		if (!config_ || config_->size() != 1) {
			std::cout << "Failed to generate default configuration" << std::endl;
			return TestFail;
		}

		return TestPass;
	}

	int run() override
	{
		StreamConfiguration &cfg = config_->at(0);

		if (camera_->acquire()) {
			std::cout << "Failed to acquire the camera" << std::endl;
			return TestFail;
		}

		if (camera_->configure(config_.get())) {
			std::cout << "Failed to set default configuration" << std::endl;
			return TestFail;
		}

		Stream *stream = cfg.stream();

		BufferSource source;
		int ret = source.allocate(cfg);
		if (ret != TestPass)
			return ret;

		std::vector<Request *> requests;
		for (const std::unique_ptr<FrameBuffer> &buffer : source.buffers()) {
			Request *request = camera_->createRequest();
			if (!request) {
				std::cout << "Failed to create request" << std::endl;
				return TestFail;
			}

			if (request->addBuffer(stream, buffer.get())) {
				std::cout << "Failed to associating buffer with request" << std::endl;
				return TestFail;
			}

			requests.push_back(request);
		}

		completeRequestsCount_ = 0;
		completeBuffersCount_ = 0;

		camera_->bufferCompleted.connect(this, &BufferImportTest::bufferComplete);
		camera_->requestCompleted.connect(this, &BufferImportTest::requestComplete);

		if (camera_->start()) {
			std::cout << "Failed to start camera" << std::endl;
			return TestFail;
		}

		for (Request *request : requests) {
			if (camera_->queueRequest(request)) {
				std::cout << "Failed to queue request" << std::endl;
				return TestFail;
			}
		}

		EventDispatcher *dispatcher = cm_->eventDispatcher();

		Timer timer;
		timer.start(1000);
		while (timer.isRunning())
			dispatcher->processEvents();

		if (completeRequestsCount_ <= cfg.bufferCount * 2) {
			std::cout << "Failed to capture enough frames (got "
				  << completeRequestsCount_ << " expected at least "
				  << cfg.bufferCount * 2 << ")" << std::endl;
			return TestFail;
		}

		if (completeRequestsCount_ != completeBuffersCount_) {
			std::cout << "Number of completed buffers and requests differ" << std::endl;
			return TestFail;
		}

		if (camera_->stop()) {
			std::cout << "Failed to stop camera" << std::endl;
			return TestFail;
		}

		return TestPass;
	}

private:
	unsigned int completeBuffersCount_;
	unsigned int completeRequestsCount_;
	std::unique_ptr<CameraConfiguration> config_;
};

} /* namespace */

TEST_REGISTER(BufferImportTest);