/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests */ #include #include #include "camera_test.h" #include "test.h" using namespace libcamera; using namespace std; namespace { class Statemachine : public CameraTest, public Test { public: Statemachine() : CameraTest("platform/vimc.0 Sensor B") { } protected: int testAvailable() { /* Test operations which should fail. */ if (camera_->configure(defconf_.get()) != -EACCES) return TestFail; if (camera_->createRequest()) return TestFail; if (camera_->start() != -EACCES) return TestFail; Request request(camera_.get()); if (camera_->queueRequest(&request) != -EACCES) return TestFail; /* Test operations which should pass. */ if (camera_->release()) return TestFail; if (camera_->stop()) return TestFail; /* Test valid state transitions, end in Acquired state. */ if (camera_->acquire()) return TestFail; return TestPass; } int testAcquired() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->createRequest()) return TestFail; if (camera_->start() != -EACCES) return TestFail; Request request(camera_.get()); if (camera_->queueRequest(&request) != -EACCES) return TestFail; /* Test operations which should pass. */ if (camera_->stop()) return TestFail; /* Test valid state transitions, end in Configured state. */ if (camera_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configure(defconf_.get())) return TestFail; return TestPass; } int testConfigured() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; Request request1(camera_.get()); if (camera_->queueRequest(&request1) != -EACCES) return TestFail; /* Test operations which should pass. */ std::unique_ptr request2 = camera_->createRequest(); if (!request2) return TestFail; if (camera_->stop()) return TestFail; /* Test valid state transitions, end in Running state. */ if (camera_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configure(defconf_.get())) return TestFail; /* Use internally allocated buffers. */ allocator_ = new FrameBufferAllocator(camera_); Stream *stream = *camera_->streams().begin(); if (allocator_->allocate(stream) < 0) return TestFail; if (camera_->start()) return TestFail; return TestPass; } int testRuning() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->release() != -EBUSY) return TestFail; if (camera_->configure(defconf_.get()) != -EACCES) return TestFail; if (camera_->start() != -EACCES) return TestFail; /* Test operations which should pass. */ std::unique_ptr request = camera_->createRequest(); if (!request) return TestFail; Stream *stream = *camera_->streams().begin(); if (request->addBuffer(stream, allocator_->buffers(stream)[0].get())) return TestFail; if (camera_->queueRequest(request.get())) return TestFail; /* Test valid state transitions, end in Available state. */ if (camera_->stop()) return TestFail; delete allocator_; if (camera_->release()) return TestFail; return TestPass; } int init() override { if (status_ != TestPass) return status_; defconf_ = camera_->generateConfiguration({ StreamRole::VideoRecording }); if (!defconf_) { cout << "Failed to generate default configuration" << endl; return TestFail; } return TestPass; } int run() override { if (testAvailable() != TestPass) { cout << "State machine in Available state failed" << endl; return TestFail; } if (testAcquired() != TestPass) { cout << "State machine in Acquired state failed" << endl; return TestFail; } if (testConfigured() != TestPass) { cout << "State machine in Configured state failed" << endl; return TestFail; } if (testRuning() != TestPass) { cout << "State machine in Running state failed" << endl; return TestFail; } return TestPass; } std::unique_ptr defconf_; FrameBufferAllocator *allocator_; }; } /* namespace */ TEST_REGISTER(Statemachine) 41' href='#n41'>41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182

/* 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 <libcamera/base/event_dispatcher.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>

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

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

using namespace libcamera;
using namespace std::chrono_literals;

namespace {

class BufferImportTest : public CameraTest, public Test
{
public:
	BufferImportTest()
		: CameraTest("platform/vimc.0 Sensor B")
	{
	}

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

		completeBuffersCount_++;
	}

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

		const Request::BufferMap &buffers = request->buffers();

		completeRequestsCount_++;

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

		request->reuse();
		request->addBuffer(stream, buffer);
		camera_->queueRequest(request);

		dispatcher_->interrupt();
	}

	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;
		}

		dispatcher_ = Thread::current()->eventDispatcher();

		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;

		for (const std::unique_ptr<FrameBuffer> &buffer : source.buffers()) {
			std::unique_ptr<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(std::move(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 (std::unique_ptr<Request> &request : requests_) {
			if (camera_->queueRequest(request.get())) {
				std::cout << "Failed to queue request" << std::endl;
				return TestFail;
			}
		}

		const unsigned int nFrames = cfg.bufferCount * 2;

		Timer timer;
		timer.start(500ms * nFrames);
		while (timer.isRunning()) {
			dispatcher_->processEvents();
			if (completeRequestsCount_ > nFrames)
				break;
		}

		if (completeRequestsCount_ < nFrames) {
			std::cout << "Failed to capture enough frames (got "
				  << completeRequestsCount_ << " expected at least "
				  << nFrames << ")" << 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:
	EventDispatcher *dispatcher_;

	std::vector<std::unique_ptr<Request>> requests_;

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

} /* namespace */

TEST_REGISTER(BufferImportTest)