/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * control_value.cpp - ControlValue tests */ #include #include #include #include "test.h" using namespace std; using namespace libcamera; class ControlValueTest : public Test { protected: int run() { /* * None type. */ ControlValue value; if (!value.isNone() || value.isArray()) { cerr << "Empty value is non-null" << endl; return TestFail; } /* * Bool type. */ value.set(true); if (value.isNone() || value.isArray() || value.type() != ControlTypeBool) { cerr << "Control type mismatch after setting to bool" << endl; return TestFail; } if (value.get() != true) { cerr << "Control value mismatch after setting to bool" << endl; return TestFail; } if (value.toString() != "true") { cerr << "Control string mismatch after setting to bool" << endl; return TestFail; } std::array bools{ true, false }; value.set(Span(bools)); if (value.isNone() || !value.isArray() || value.type() != ControlTypeBool) { cerr << "Control type mismatch after setting to bool array" << endl; return TestFail; } Span boolsResult = value.get>(); if (bools.size() != boolsResult.size() || !std::equal(bools.begin(), bools.end(), boolsResult.begin())) { cerr << "Control value mismatch after setting to bool" << endl; return TestFail; } if (value.toString() != "[ true, false ]") { cerr << "Control string mismatch after setting to bool array" << endl; return TestFail; } /* * Integer8 type. */ value.set(static_cast(42)); if (value.isNone() || value.isArray() || value.type() != ControlTypeByte) { cerr << "Control type mismatch after setting to uint8_t" << endl; return TestFail; } if (value.get() != 42) { cerr << "Control value mismatch after setting to uint8_t" << endl; return TestFail; } if (value.toString() != "42") { cerr << "Control string mismatch after setting to uint8_t" << endl; return TestFail; } std::array bytes{ 3, 14, 15, 9 }; value.set(Span(bytes)); if (value.isNone() || !value.isArray() || value.type() != ControlTypeByte) { cerr << "Control type mismatch after setting to uint8_t array" << endl; return TestFail; } Span int8sResult = value.get>(); if (bytes.size() != int8sResult.size() || !std::equal(bytes.begin(), bytes.end(), int8sResult.begin())) { cerr << "Control value mismatch after setting to uint8_t array" << endl; return TestFail; } if (value.toString() != "[ 3, 14, 15, 9 ]") { cerr << "Control string mismatch after setting to uint8_t array" << endl; return TestFail; } /* * Integer32 type. */ value.set(0x42000000); if (value.isNone() || value.isArray() || value.type() != ControlTypeInteger32) { cerr << "Control type mismatch after setting to int32_t" << endl; return TestFail; } if (value.get() != 0x42000000) { cerr << "Control value mismatch after setting to int32_t" << endl; return TestFail; } if (value.toString() != "1107296256") { cerr << "Control string mismatch after setting to int32_t" << endl; return TestFail; } std::array int32s{ 3, 14, 15, 9 }; value.set(Span(int32s)); if (value.isNone() || !value.isArray() || value.type() != ControlTypeInteger32) { cerr << "Control type mismatch after setting to int32_t array" << endl; return TestFail; } Span int32sResult = value.get>(); if (int32s.size() != int32sResult.size() || !std::equal(int32s.begin(), int32s.end(), int32sResult.begin())) { cerr << "Control value mismatch after setting to int32_t array" << endl; return TestFail; } if (value.toString() != "[ 3, 14, 15, 9 ]") { cerr << "Control string mismatch after setting to int32_t array" << endl; return TestFail; } /* * Integer64 type. */ value.set(static_cast(-42)); if (value.isNone() || value.isArray() || value.type() != ControlTypeInteger64) { cerr << "Control type mismatch after setting to int64_t" << endl; return TestFail; } if (value.get() != -42) { cerr << "Control value mismatch after setting to int64_t" << endl; return TestFail; } if (value.toString() != "-42") { cerr << "Control string mismatch after setting to int64_t" << endl; return TestFail; } std::array int64s{ 3, 14, 15, 9 }; value.set(Span(int64s)); if (value.isNone() || !value.isArray() || value.type() != ControlTypeInteger64) { cerr << "Control type mismatch after setting to int64_t array" << endl; return TestFail; } Span int64sResult = value.get>(); if (int64s.size() != int64sResult.size() || !std::equal(int64s.begin(), int64s.end(), int64sResult.begin())) { cerr << "Control value mismatch after setting to int64_t array" << endl; return TestFail; } if (value.toString() != "[ 3, 14, 15, 9 ]") { cerr << "Control string mismatch after setting to int64_t array" << endl; return TestFail; } /* * Float type. */ value.set(-0.42f); if (value.isNone() || value.isArray() || value.type() != ControlTypeFloat) { cerr << "Control type mismatch after setting to float" << endl; return TestFail; } if (value.get() != -0.42f) { cerr << "Control value mismatch after setting to float" << endl; return TestFail; } if (value.toString() != "-0.420000") { cerr << "Control string mismatch after setting to float" << endl; return TestFail; } std::array floats{ 3.141593, 2.718282, 299792458.0 }; value.set(Span(floats)); if (value.isNone() || !value.isArray() || value.type() != ControlTypeFloat) { cerr << "Control type mismatch after setting to float array" << endl; return TestFail; } Span floatsResult = value.get>(); if (floats.size() != floatsResult.size() || !std::equal(floats.begin(), floats.end(), floatsResult.begin())) { cerr << "Control value mismatch after setting to float array" << endl; return TestFail; } /* * The string representation for the third value doesn't match * the value in the floats array above, due to limited precision * of the float type that can't properly represent the speed of * light. */ if (value.toString() != "[ 3.141593, 2.718282, 299792448.000000 ]") { cerr << "Control string mismatch after setting to float array" << endl; return TestFail; } /* * String type. */ std::string string{ "libcamera" }; value.set(string); if (value.isNone() || !value.isArray() || value.type() != ControlTypeString || value.numElements() != string.size()) { cerr << "Control type mismatch after setting to string" << endl; return TestFail; } if (value.get() != string) { cerr << "Control value mismatch after setting to string" << endl; return TestFail; } if (value.toString() != string) { cerr << "Control string mismatch after setting to string" << endl; return TestFail; } return TestPass; } }; TEST_REGISTER(ControlValueTest) id='n125' href='#n125'>125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * libcamera V4L2 M2M video device tests
 */

#include <iostream>

#include <libcamera/framebuffer.h>

#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 "test.h"

using namespace std;
using namespace libcamera;

class V4L2M2MDeviceTest : public Test
{
public:
	V4L2M2MDeviceTest()
		: vim2m_(nullptr), outputFrames_(0), captureFrames_(0)
	{
	}

	void outputBufferComplete(FrameBuffer *buffer)
	{
		cout << "Received output buffer" << endl;

		outputFrames_++;

		/* Requeue the buffer for further use. */
		vim2m_->output()->queueBuffer(buffer);
	}

	void receiveCaptureBuffer(FrameBuffer *buffer)
	{
		cout << "Received capture buffer" << endl;

		captureFrames_++;

		/* Requeue the buffer for further use. */
		vim2m_->capture()->queueBuffer(buffer);
	}

protected:
	int init()
	{
		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("vim2m");
		dm.add("vim2m-source");
		dm.add("vim2m-sink");

		media_ = enumerator_->search(dm);
		if (!media_) {
			cerr << "No vim2m device found" << endl;
			return TestSkip;
		}

		return TestPass;
	}

	int run()
	{
		constexpr unsigned int bufferCount = 4;

		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
		int ret;

		MediaEntity *entity = media_->getEntityByName("vim2m-source");
		vim2m_ = new V4L2M2MDevice(entity->deviceNode());
		if (vim2m_->open()) {
			cerr << "Failed to open VIM2M device" << endl;
			return TestFail;
		}

		V4L2VideoDevice *capture = vim2m_->capture();
		V4L2VideoDevice *output = vim2m_->output();

		V4L2DeviceFormat format = {};
		if (capture->getFormat(&format)) {
			cerr << "Failed to get capture format" << endl;
			return TestFail;
		}

		format.size.width = 640;
		format.size.height = 480;

		if (capture->setFormat(&format)) {
			cerr << "Failed to set capture format" << endl;
			return TestFail;
		}

		if (output->setFormat(&format)) {
			cerr << "Failed to set output format" << endl;
			return TestFail;
		}

		ret = capture->allocateBuffers(bufferCount, &captureBuffers_);
		if (ret < 0) {
			cerr << "Failed to allocate Capture Buffers" << endl;
			return TestFail;
		}

		ret = output->allocateBuffers(bufferCount, &outputBuffers_);
		if (ret < 0) {
			cerr << "Failed to allocate Output Buffers" << endl;
			return TestFail;
		}

		capture->bufferReady.connect(this, &V4L2M2MDeviceTest::receiveCaptureBuffer);
		output->bufferReady.connect(this, &V4L2M2MDeviceTest::outputBufferComplete);

		for (const std::unique_ptr<FrameBuffer> &buffer : captureBuffers_) {
			if (capture->queueBuffer(buffer.get())) {
				std::cout << "Failed to queue capture buffer" << std::endl;
				return TestFail;
			}
		}

		for (const std::unique_ptr<FrameBuffer> &buffer : outputBuffers_) {
			if (output->queueBuffer(buffer.get())) {
				std::cout << "Failed to queue output buffer" << std::endl;
				return TestFail;
			}
		}

		ret = capture->streamOn();
		if (ret) {
			cerr << "Failed to streamOn capture" << endl;
			return TestFail;
		}

		ret = output->streamOn();
		if (ret) {
			cerr << "Failed to streamOn output" << endl;
			return TestFail;
		}

		Timer timeout;
		timeout.start(5000);
		while (timeout.isRunning()) {
			dispatcher->processEvents();
			if (captureFrames_ > 30)
				break;
		}

		cerr << "Output " << outputFrames_ << " frames" << std::endl;
		cerr << "Captured " << captureFrames_ << " frames" << std::endl;

		if (captureFrames_ < 30) {
			cerr << "Failed to capture 30 frames within timeout." << std::endl;
			return TestFail;
		}

		ret = capture->streamOff();
		if (ret) {
			cerr << "Failed to StreamOff the capture device." << std::endl;
			return TestFail;
		}

		ret = output->streamOff();
		if (ret) {
			cerr << "Failed to StreamOff the output device." << std::endl;
			return TestFail;
		}

		return TestPass;
	}

	void cleanup()
	{
		delete vim2m_;
	}

private:
	std::unique_ptr<DeviceEnumerator> enumerator_;
	std::shared_ptr<MediaDevice> media_;
	V4L2M2MDevice *vim2m_;

	std::vector<std::unique_ptr<FrameBuffer>> captureBuffers_;
	std::vector<std::unique_ptr<FrameBuffer>> outputBuffers_;

	unsigned int outputFrames_;
	unsigned int captureFrames_;
};

TEST_REGISTER(V4L2M2MDeviceTest)