src/gstreamer/meson.build


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# SPDX-License-Identifier: CC0-1.0

libcamera_gst_sources = [
    'gstlibcamera-utils.cpp',
    'gstlibcamera.cpp',
    'gstlibcameraallocator.cpp',
    'gstlibcamerapad.cpp',
    'gstlibcamerapool.cpp',
    'gstlibcameraprovider.cpp',
    'gstlibcamerasrc.cpp',
]

libcamera_gst_cpp_args = [
    '-DVERSION="@0@"'.format(libcamera_git_version),
    '-DPACKAGE="@0@"'.format(meson.project_name()),
]

glib_dep = dependency('glib-2.0', required : get_option('gstreamer'))

gst_dep_version = '>=1.14.0'
gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_dep_version,
                          required : get_option('gstreamer'))
gstallocator_dep = dependency('gstreamer-allocators-1.0', version : gst_dep_version,
                              required : get_option('gstreamer'))

if glib_dep.found() and gstvideo_dep.found() and gstallocator_dep.found()
    # The G_DECLARE_FINAL_TYPE macro creates static inline functions that were
    # not marked as possibly unused prior to GLib v2.63.0. This causes clang to
    # complain about the ones we are not using. Silence the -Wunused-function
    # warning in that case.
    if cc.get_id() == 'clang' and glib_dep.version().version_compare('<2.63.0')
        libcamera_gst_cpp_args += [ '-Wno-unused-function' ]
    endif

    libcamera_gst = shared_library('gstlibcamera',
        libcamera_gst_sources,
        cpp_args : libcamera_gst_cpp_args,
        dependencies : [libcamera_dep, gstvideo_dep, gstallocator_dep],
        install: true,
        install_dir : '@0@/gstreamer-1.0'.format(get_option('libdir')),
    )
endif
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * threads.cpp - Threads test
 */

#include <chrono>
#include <iostream>
#include <memory>
#include <thread>

#include <libcamera/base/thread.h>

#include "test.h"

using namespace std;
using namespace libcamera;

class DelayThread : public Thread
{
public:
	DelayThread(chrono::steady_clock::duration duration)
		: duration_(duration)
	{
	}

protected:
	void run()
	{
		this_thread::sleep_for(duration_);
	}

private:
	chrono::steady_clock::duration duration_;
};

class ThreadTest : public Test
{
protected:
	int init()
	{
		return 0;
	}

	int run()
	{
		/* Test Thread() retrieval for the main thread. */
		Thread *mainThread = Thread::current();
		if (!mainThread) {
			cout << "Thread::current() failed to main thread"
			     << endl;
			return TestFail;
		}

		if (!mainThread->isRunning()) {
			cout << "Main thread is not running" << endl;
			return TestFail;
		}

		/* Test starting the main thread, the test shall not crash. */
		mainThread->start();

		/* Test the running state of a custom thread. */
		std::unique_ptr<Thread> thread = std::make_unique<Thread>();
		thread->start();

		if (!thread->isRunning()) {
			cout << "Thread is not running after being started"
			     << endl;
			return TestFail;
		}

		thread->exit(0);
		thread->wait();

		if (thread->isRunning()) {
			cout << "Thread is still running after finishing"
			     << endl;
			return TestFail;
		}

		/* Test waiting for completion with a timeout. */
		thread = std::make_unique<DelayThread>(chrono::milliseconds(500));
		thread->start();
		thread->exit(0);

		bool timeout = !thread->wait(chrono::milliseconds(100));

		if (!timeout) {
			cout << "Waiting for thread didn't time out" << endl;
			return TestFail;
		}

		timeout = !thread->wait(chrono::milliseconds(1000));

		if (timeout) {
			cout << "Waiting for thread timed out" << endl;
			return TestFail;
		}

		/* Test waiting on a thread that isn't running. */
		thread = std::make_unique<Thread>();

		timeout = !thread->wait();
		if (timeout) {
			cout << "Waiting for non-started thread timed out" << endl;
			return TestFail;
		}

		thread->start();
		thread->exit(0);
		thread->wait();

		timeout = !thread->wait();
		if (timeout) {
			cout << "Waiting for already stopped thread timed out" << endl;
			return TestFail;
		}

		return TestPass;
	}

	void cleanup()
	{
	}
};

TEST_REGISTER(ThreadTest)