libcamera/src/qcam/main.cpp
Hirokazu Honda f277590d5c qcam: Remove using namespace in header files
"using namespace" in a header file propagates the namespace to
the files including the header file. So it should be avoided.
This removes "using namespace" in header files in qcam.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-10-15 05:05:39 +03:00

89 lines
2 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* main.cpp - qcam - The libcamera GUI test application
*/
#include <signal.h>
#include <string.h>
#include <QApplication>
#include <QtDebug>
#include <libcamera/camera_manager.h>
#include "../cam/options.h"
#include "../cam/stream_options.h"
#include "main_window.h"
#include "message_handler.h"
using namespace libcamera;
void signalHandler([[maybe_unused]] int signal)
{
qInfo() << "Exiting";
qApp->quit();
}
OptionsParser::Options parseOptions(int argc, char *argv[])
{
StreamKeyValueParser streamKeyValue;
OptionsParser parser;
parser.addOption(OptCamera, OptionString,
"Specify which camera to operate on", "camera",
ArgumentRequired, "camera");
parser.addOption(OptHelp, OptionNone, "Display this help message",
"help");
parser.addOption(OptRenderer, OptionString,
"Choose the renderer type {qt,gles} (default: qt)",
"renderer", ArgumentRequired, "renderer");
parser.addOption(OptStream, &streamKeyValue,
"Set configuration of a camera stream", "stream", true);
parser.addOption(OptVerbose, OptionNone,
"Print verbose log messages", "verbose");
OptionsParser::Options options = parser.parse(argc, argv);
if (options.isSet(OptHelp))
parser.usage();
return options;
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
int ret;
OptionsParser::Options options = parseOptions(argc, argv);
if (!options.valid())
return EXIT_FAILURE;
if (options.isSet(OptHelp))
return 0;
MessageHandler msgHandler(options.isSet(OptVerbose));
struct sigaction sa = {};
sa.sa_handler = &signalHandler;
sigaction(SIGINT, &sa, nullptr);
CameraManager *cm = new libcamera::CameraManager();
ret = cm->start();
if (ret) {
qInfo() << "Failed to start camera manager:"
<< strerror(-ret);
return EXIT_FAILURE;
}
MainWindow *mainWindow = new MainWindow(cm, options);
mainWindow->show();
ret = app.exec();
delete mainWindow;
cm->stop();
delete cm;
return ret;
}