Move test applications to src/apps/

The cam and qcam test application share code, currently through a crude
hack that references the cam source files directly from the qcam
meson.build file. To prepare for the introduction of hosting that code
in a static library, move all applications to src/apps/.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

7 files changed, 0 insertions, 657 deletions

diff --git a/src/lc-compliance/capture_test.cpp b/src/lc-compliance/capture_test.cpp
deleted file mode 100644
index 52578207..00000000
--- a/src/lc-compliance/capture_test.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020, Google Inc.
- * Copyright (C) 2021, Collabora Ltd.
- *
- * capture_test.cpp - Test camera capture
- */
-
-#include <iostream>
-
-#include <gtest/gtest.h>
-
-#include "environment.h"
-#include "simple_capture.h"
-
-using namespace libcamera;
-
-const std::vector<int> NUMREQUESTS = { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 };
-const std::vector<StreamRole> ROLES = { Raw, StillCapture, VideoRecording, Viewfinder };
-
-class SingleStream : public testing::TestWithParam<std::tuple<StreamRole, int>>
-{
-public:
-	static std::string nameParameters(const testing::TestParamInfo<SingleStream::ParamType> &info);
-
-protected:
-	void SetUp() override;
-	void TearDown() override;
-
-	std::shared_ptr<Camera> camera_;
-};
-
-/*
- * We use gtest's SetUp() and TearDown() instead of constructor and destructor
- * in order to be able to assert on them.
- */
-void SingleStream::SetUp()
-{
-	Environment *env = Environment::get();
-
-	camera_ = env->cm()->get(env->cameraId());
-
-	ASSERT_EQ(camera_->acquire(), 0);
-}
-
-void SingleStream::TearDown()
-{
-	if (!camera_)
-		return;
-
-	camera_->release();
-	camera_.reset();
-}
-
-std::string SingleStream::nameParameters(const testing::TestParamInfo<SingleStream::ParamType> &info)
-{
-	std::map<StreamRole, std::string> rolesMap = { { Raw, "Raw" },
-						       { StillCapture, "StillCapture" },
-						       { VideoRecording, "VideoRecording" },
-						       { Viewfinder, "Viewfinder" } };
-
-	std::string roleName = rolesMap[std::get<0>(info.param)];
-	std::string numRequestsName = std::to_string(std::get<1>(info.param));
-
-	return roleName + "_" + numRequestsName;
-}
-
-/*
- * Test single capture cycles
- *
- * Makes sure the camera completes the exact number of requests queued. Example
- * failure is a camera that completes less requests than the number of requests
- * queued.
- */
-TEST_P(SingleStream, Capture)
-{
-	auto [role, numRequests] = GetParam();
-
-	SimpleCaptureBalanced capture(camera_);
-
-	capture.configure(role);
-
-	capture.capture(numRequests);
-}
-
-/*
- * Test multiple start/stop cycles
- *
- * Makes sure the camera supports multiple start/stop cycles. Example failure is
- * a camera that does not clean up correctly in its error path but is only
- * tested by single-capture applications.
- */
-TEST_P(SingleStream, CaptureStartStop)
-{
-	auto [role, numRequests] = GetParam();
-	unsigned int numRepeats = 3;
-
-	SimpleCaptureBalanced capture(camera_);
-
-	capture.configure(role);
-
-	for (unsigned int starts = 0; starts < numRepeats; starts++)
-		capture.capture(numRequests);
-}
-
-/*
- * Test unbalanced stop
- *
- * Makes sure the camera supports a stop with requests queued. Example failure
- * is a camera that does not handle cancelation of buffers coming back from the
- * video device while stopping.
- */
-TEST_P(SingleStream, UnbalancedStop)
-{
-	auto [role, numRequests] = GetParam();
-
-	SimpleCaptureUnbalanced capture(camera_);
-
-	capture.configure(role);
-
-	capture.capture(numRequests);
-}
-
-INSTANTIATE_TEST_SUITE_P(CaptureTests,
-			 SingleStream,
-			 testing::Combine(testing::ValuesIn(ROLES),
-					  testing::ValuesIn(NUMREQUESTS)),
-			 SingleStream::nameParameters);
diff --git a/src/lc-compliance/environment.cpp b/src/lc-compliance/environment.cpp
deleted file mode 100644
index 5eb3775f..00000000
--- a/src/lc-compliance/environment.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2021, Collabora Ltd.
- *
- * environment.cpp - Common environment for tests
- */
-
-#include "environment.h"
-
-using namespace libcamera;
-
-Environment *Environment::get()
-{
-	static Environment instance;
-	return &instance;
-}
-
-void Environment::setup(CameraManager *cm, std::string cameraId)
-{
-	cm_ = cm;
-	cameraId_ = cameraId;
-}
diff --git a/src/lc-compliance/environment.h b/src/lc-compliance/environment.h
deleted file mode 100644
index 0debbcce..00000000
--- a/src/lc-compliance/environment.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2021, Collabora Ltd.
- *
- * environment.h - Common environment for tests
- */
-
-#pragma once
-
-#include <libcamera/libcamera.h>
-
-class Environment
-{
-public:
-	static Environment *get();
-
-	void setup(libcamera::CameraManager *cm, std::string cameraId);
-
-	const std::string &cameraId() const { return cameraId_; }
-	libcamera::CameraManager *cm() const { return cm_; }
-
-private:
-	Environment() = default;
-
-	std::string cameraId_;
-	libcamera::CameraManager *cm_;
-};
diff --git a/src/lc-compliance/main.cpp b/src/lc-compliance/main.cpp
deleted file mode 100644
index 7eb52ae4..00000000
--- a/src/lc-compliance/main.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020, Google Inc.
- * Copyright (C) 2021, Collabora Ltd.
- *
- * main.cpp - lc-compliance - The libcamera compliance tool
- */
-
-#include <iomanip>
-#include <iostream>
-#include <string.h>
-
-#include <gtest/gtest.h>
-
-#include <libcamera/libcamera.h>
-
-#include "environment.h"
-#include "../cam/options.h"
-
-using namespace libcamera;
-
-enum {
-	OptCamera = 'c',
-	OptList = 'l',
-	OptFilter = 'f',
-	OptHelp = 'h',
-};
-
-/*
- * Make asserts act like exceptions, otherwise they only fail (or skip) the
- * current function. From gtest documentation:
- * https://google.github.io/googletest/advanced.html#asserting-on-subroutines-with-an-exception
- */
-class ThrowListener : public testing::EmptyTestEventListener
-{
-	void OnTestPartResult(const testing::TestPartResult &result) override
-	{
-		if (result.type() == testing::TestPartResult::kFatalFailure ||
-		    result.type() == testing::TestPartResult::kSkip)
-			throw testing::AssertionException(result);
-	}
-};
-
-static void listCameras(CameraManager *cm)
-{
-	for (const std::shared_ptr<Camera> &cam : cm->cameras())
-		std::cout << "- " << cam.get()->id() << std::endl;
-}
-
-static int initCamera(CameraManager *cm, OptionsParser::Options options)
-{
-	std::shared_ptr<Camera> camera;
-
-	int ret = cm->start();
-	if (ret) {
-		std::cout << "Failed to start camera manager: "
-			  << strerror(-ret) << std::endl;
-		return ret;
-	}
-
-	if (!options.isSet(OptCamera)) {
-		std::cout << "No camera specified, available cameras:" << std::endl;
-		listCameras(cm);
-		return -ENODEV;
-	}
-
-	const std::string &cameraId = options[OptCamera];
-	camera = cm->get(cameraId);
-	if (!camera) {
-		std::cout << "Camera " << cameraId << " not found, available cameras:" << std::endl;
-		listCameras(cm);
-		return -ENODEV;
-	}
-
-	Environment::get()->setup(cm, cameraId);
-
-	std::cout << "Using camera " << cameraId << std::endl;
-
-	return 0;
-}
-
-static int initGtestParameters(char *arg0, OptionsParser::Options options)
-{
-	const std::map<std::string, std::string> gtestFlags = { { "list", "--gtest_list_tests" },
-								{ "filter", "--gtest_filter" } };
-
-	int argc = 0;
-	std::string filterParam;
-
-	/*
-	 * +2 to have space for both the 0th argument that is needed but not
-	 * used and the null at the end.
-	 */
-	char **argv = new char *[(gtestFlags.size() + 2)];
-	if (!argv)
-		return -ENOMEM;
-
-	argv[0] = arg0;
-	argc++;
-
-	if (options.isSet(OptList)) {
-		argv[argc] = const_cast<char *>(gtestFlags.at("list").c_str());
-		argc++;
-	}
-
-	if (options.isSet(OptFilter)) {
-		/*
-		 * The filter flag needs to be passed as a single parameter, in
-		 * the format --gtest_filter=filterStr
-		 */
-		filterParam = gtestFlags.at("filter") + "=" +
-			      static_cast<const std::string &>(options[OptFilter]);
-
-		argv[argc] = const_cast<char *>(filterParam.c_str());
-		argc++;
-	}
-
-	argv[argc] = nullptr;
-
-	::testing::InitGoogleTest(&argc, argv);
-
-	delete[] argv;
-
-	return 0;
-}
-
-static int initGtest(char *arg0, OptionsParser::Options options)
-{
-	int ret = initGtestParameters(arg0, options);
-	if (ret)
-		return ret;
-
-	testing::UnitTest::GetInstance()->listeners().Append(new ThrowListener);
-
-	return 0;
-}
-
-static int parseOptions(int argc, char **argv, OptionsParser::Options *options)
-{
-	OptionsParser parser;
-	parser.addOption(OptCamera, OptionString,
-			 "Specify which camera to operate on, by id", "camera",
-			 ArgumentRequired, "camera");
-	parser.addOption(OptList, OptionNone, "List all tests and exit", "list");
-	parser.addOption(OptFilter, OptionString,
-			 "Specify which tests to run", "filter",
-			 ArgumentRequired, "filter");
-	parser.addOption(OptHelp, OptionNone, "Display this help message",
-			 "help");
-
-	*options = parser.parse(argc, argv);
-	if (!options->valid())
-		return -EINVAL;
-
-	if (options->isSet(OptHelp)) {
-		parser.usage();
-		std::cerr << "Further options from Googletest can be passed as environment variables"
-			  << std::endl;
-		return -EINTR;
-	}
-
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	OptionsParser::Options options;
-	int ret = parseOptions(argc, argv, &options);
-	if (ret == -EINTR)
-		return EXIT_SUCCESS;
-	if (ret < 0)
-		return EXIT_FAILURE;
-
-	std::unique_ptr<CameraManager> cm = std::make_unique<CameraManager>();
-
-	/* No need to initialize the camera if we'll just list tests */
-	if (!options.isSet(OptList)) {
-		ret = initCamera(cm.get(), options);
-		if (ret)
-			return ret;
-	}
-
-	ret = initGtest(argv[0], options);
-	if (ret)
-		return ret;
-
-	ret = RUN_ALL_TESTS();
-
-	if (!options.isSet(OptList))
-		cm->stop();
-
-	return ret;
-}
diff --git a/src/lc-compliance/meson.build b/src/lc-compliance/meson.build
deleted file mode 100644
index 8b57474b..00000000
--- a/src/lc-compliance/meson.build
+++ /dev/null
@@ -1,31 +0,0 @@
-# SPDX-License-Identifier: CC0-1.0
-
-libevent = dependency('libevent_pthreads', required : get_option('lc-compliance'))
-libgtest = dependency('gtest', required : get_option('lc-compliance'),
-                      fallback : ['gtest', 'gtest_dep'])
-
-if not (libevent.found() and libgtest.found())
-    lc_compliance_enabled = false
-    subdir_done()
-endif
-
-lc_compliance_enabled = true
-
-lc_compliance_sources = files([
-    '../cam/event_loop.cpp',
-    '../cam/options.cpp',
-    'environment.cpp',
-    'main.cpp',
-    'simple_capture.cpp',
-    'capture_test.cpp',
-])
-
-lc_compliance  = executable('lc-compliance', lc_compliance_sources,
-                            cpp_args : [ '-fexceptions' ],
-                            dependencies : [
-                                libatomic,
-                                libcamera_public,
-                                libevent,
-                                libgtest,
-                            ],
-                            install : true)
diff --git a/src/lc-compliance/simple_capture.cpp b/src/lc-compliance/simple_capture.cpp
deleted file mode 100644
index ab5cb35c..00000000
--- a/src/lc-compliance/simple_capture.cpp
+++ /dev/null
@@ -1,191 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020-2021, Google Inc.
- *
- * simple_capture.cpp - Simple capture helper
- */
-
-#include <gtest/gtest.h>
-
-#include "simple_capture.h"
-
-using namespace libcamera;
-
-SimpleCapture::SimpleCapture(std::shared_ptr<Camera> camera)
-	: loop_(nullptr), camera_(camera),
-	  allocator_(std::make_unique<FrameBufferAllocator>(camera))
-{
-}
-
-SimpleCapture::~SimpleCapture()
-{
-	stop();
-}
-
-void SimpleCapture::configure(StreamRole role)
-{
-	config_ = camera_->generateConfiguration({ role });
-
-	if (!config_) {
-		std::cout << "Role not supported by camera" << std::endl;
-		GTEST_SKIP();
-	}
-
-	if (config_->validate() != CameraConfiguration::Valid) {
-		config_.reset();
-		FAIL() << "Configuration not valid";
-	}
-
-	if (camera_->configure(config_.get())) {
-		config_.reset();
-		FAIL() << "Failed to configure camera";
-	}
-}
-
-void SimpleCapture::start()
-{
-	Stream *stream = config_->at(0).stream();
-	int count = allocator_->allocate(stream);
-
-	ASSERT_GE(count, 0) << "Failed to allocate buffers";
-	EXPECT_EQ(count, config_->at(0).bufferCount) << "Allocated less buffers than expected";
-
-	camera_->requestCompleted.connect(this, &SimpleCapture::requestComplete);
-
-	ASSERT_EQ(camera_->start(), 0) << "Failed to start camera";
-}
-
-void SimpleCapture::stop()
-{
-	if (!config_ || !allocator_->allocated())
-		return;
-
-	camera_->stop();
-
-	camera_->requestCompleted.disconnect(this);
-
-	Stream *stream = config_->at(0).stream();
-	allocator_->free(stream);
-}
-
-/* SimpleCaptureBalanced */
-
-SimpleCaptureBalanced::SimpleCaptureBalanced(std::shared_ptr<Camera> camera)
-	: SimpleCapture(camera)
-{
-}
-
-void SimpleCaptureBalanced::capture(unsigned int numRequests)
-{
-	start();
-
-	Stream *stream = config_->at(0).stream();
-	const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);
-
-	/* No point in testing less requests then the camera depth. */
-	if (buffers.size() > numRequests) {
-		std::cout << "Camera needs " + std::to_string(buffers.size())
-			+ " requests, can't test only "
-			+ std::to_string(numRequests) << std::endl;
-		GTEST_SKIP();
-	}
-
-	queueCount_ = 0;
-	captureCount_ = 0;
-	captureLimit_ = numRequests;
-
-	/* Queue the recommended number of reqeuests. */
-	std::vector<std::unique_ptr<libcamera::Request>> requests;
-	for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
-		std::unique_ptr<Request> request = camera_->createRequest();
-		ASSERT_TRUE(request) << "Can't create request";
-
-		ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";
-
-		ASSERT_EQ(queueRequest(request.get()), 0) << "Failed to queue request";
-
-		requests.push_back(std::move(request));
-	}
-
-	/* Run capture session. */
-	loop_ = new EventLoop();
-	loop_->exec();
-	stop();
-	delete loop_;
-
-	ASSERT_EQ(captureCount_, captureLimit_);
-}
-
-int SimpleCaptureBalanced::queueRequest(Request *request)
-{
-	queueCount_++;
-	if (queueCount_ > captureLimit_)
-		return 0;
-
-	return camera_->queueRequest(request);
-}
-
-void SimpleCaptureBalanced::requestComplete(Request *request)
-{
-	captureCount_++;
-	if (captureCount_ >= captureLimit_) {
-		loop_->exit(0);
-		return;
-	}
-
-	request->reuse(Request::ReuseBuffers);
-	if (queueRequest(request))
-		loop_->exit(-EINVAL);
-}
-
-/* SimpleCaptureUnbalanced */
-
-SimpleCaptureUnbalanced::SimpleCaptureUnbalanced(std::shared_ptr<Camera> camera)
-	: SimpleCapture(camera)
-{
-}
-
-void SimpleCaptureUnbalanced::capture(unsigned int numRequests)
-{
-	start();
-
-	Stream *stream = config_->at(0).stream();
-	const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);
-
-	captureCount_ = 0;
-	captureLimit_ = numRequests;
-
-	/* Queue the recommended number of reqeuests. */
-	std::vector<std::unique_ptr<libcamera::Request>> requests;
-	for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
-		std::unique_ptr<Request> request = camera_->createRequest();
-		ASSERT_TRUE(request) << "Can't create request";
-
-		ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";
-
-		ASSERT_EQ(camera_->queueRequest(request.get()), 0) << "Failed to queue request";
-
-		requests.push_back(std::move(request));
-	}
-
-	/* Run capture session. */
-	loop_ = new EventLoop();
-	int status = loop_->exec();
-	stop();
-	delete loop_;
-
-	ASSERT_EQ(status, 0);
-}
-
-void SimpleCaptureUnbalanced::requestComplete(Request *request)
-{
-	captureCount_++;
-	if (captureCount_ >= captureLimit_) {
-		loop_->exit(0);
-		return;
-	}
-
-	request->reuse(Request::ReuseBuffers);
-	if (camera_->queueRequest(request))
-		loop_->exit(-EINVAL);
-}
diff --git a/src/lc-compliance/simple_capture.h b/src/lc-compliance/simple_capture.h
deleted file mode 100644
index 9d31f7cb..00000000
--- a/src/lc-compliance/simple_capture.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020-2021, Google Inc.
- *
- * simple_capture.h - Simple capture helper
- */
-
-#pragma once
-
-#include <memory>
-
-#include <libcamera/libcamera.h>
-
-#include "../cam/event_loop.h"
-
-class SimpleCapture
-{
-public:
-	void configure(libcamera::StreamRole role);
-
-protected:
-	SimpleCapture(std::shared_ptr<libcamera::Camera> camera);
-	virtual ~SimpleCapture();
-
-	void start();
-	void stop();
-
-	virtual void requestComplete(libcamera::Request *request) = 0;
-
-	EventLoop *loop_;
-
-	std::shared_ptr<libcamera::Camera> camera_;
-	std::unique_ptr<libcamera::FrameBufferAllocator> allocator_;
-	std::unique_ptr<libcamera::CameraConfiguration> config_;
-};
-
-class SimpleCaptureBalanced : public SimpleCapture
-{
-public:
-	SimpleCaptureBalanced(std::shared_ptr<libcamera::Camera> camera);
-
-	void capture(unsigned int numRequests);
-
-private:
-	int queueRequest(libcamera::Request *request);
-	void requestComplete(libcamera::Request *request) override;
-
-	unsigned int queueCount_;
-	unsigned int captureCount_;
-	unsigned int captureLimit_;
-};
-
-class SimpleCaptureUnbalanced : public SimpleCapture
-{
-public:
-	SimpleCaptureUnbalanced(std::shared_ptr<libcamera::Camera> camera);
-
-	void capture(unsigned int numRequests);
-
-private:
-	void requestComplete(libcamera::Request *request) override;
-
-	unsigned int captureCount_;
-	unsigned int captureLimit_;
-};