Lime3DS/src/citra_qt/camera/qt_multimedia_camera.cpp

99 lines
3.2 KiB
C++

// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QCamera>
#include <QImageReader>
#include <QMediaDevices>
#include <QThread>
#include "citra_qt/camera/qt_multimedia_camera.h"
#include "citra_qt/main.h"
#if defined(__APPLE__)
#include "common/apple_authorization.h"
#endif
namespace Camera {
std::shared_ptr<QtMultimediaCameraHandler> QtMultimediaCameraHandlerFactory::Create(
const std::string& camera_name) {
if (thread() == QThread::currentThread()) {
std::shared_ptr<QtMultimediaCameraHandler> handler;
if (!handlers.contains(camera_name) || !(handler = handlers[camera_name].lock())) {
LOG_INFO(Service_CAM, "Creating new handler for camera '{}'", camera_name);
handler = std::make_shared<QtMultimediaCameraHandler>(camera_name);
handlers[camera_name] = handler;
} else {
LOG_INFO(Service_CAM, "Reusing existing handler for camera '{}'", camera_name);
}
return handler;
} else {
std::shared_ptr<QtMultimediaCameraHandler> handler;
QMetaObject::invokeMethod(this, "Create", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(std::shared_ptr<QtMultimediaCameraHandler>, handler),
Q_ARG(std::string, camera_name));
return handler;
}
}
void QtMultimediaCameraHandlerFactory::PauseCameras() {
LOG_INFO(Service_CAM, "Pausing all cameras");
for (auto& handler_pair : handlers) {
auto handler = handler_pair.second.lock();
if (handler && handler->IsActive()) {
handler->PauseCapture();
}
}
}
void QtMultimediaCameraHandlerFactory::ResumeCameras() {
LOG_INFO(Service_CAM, "Resuming all cameras");
for (auto& handler_pair : handlers) {
auto handler = handler_pair.second.lock();
if (handler && handler->IsPaused()) {
handler->StartCapture();
}
}
}
QtMultimediaCameraHandler::QtMultimediaCameraHandler(const std::string& camera_name) {
auto cameras = QMediaDevices::videoInputs();
auto requested_camera =
std::find_if(cameras.begin(), cameras.end(), [camera_name](QCameraDevice& camera_info) {
return camera_info.description().toStdString() == camera_name;
});
if (requested_camera != cameras.end()) {
camera = std::make_unique<QCamera>(*requested_camera);
} else {
camera = std::make_unique<QCamera>();
}
camera_surface = std::make_unique<QVideoSink>();
capture_session.setVideoSink(camera_surface.get());
capture_session.setCamera(camera.get());
}
QtMultimediaCameraHandler::~QtMultimediaCameraHandler() {
StopCapture();
}
void QtMultimediaCameraHandler::StartCapture() {
if (!camera->isActive()) {
#if defined(__APPLE__)
if (!AppleAuthorization::CheckAuthorizationForCamera()) {
LOG_ERROR(Service_CAM, "Unable to start camera due to lack of authorization");
return;
}
#endif
camera->start();
}
paused = false;
}
void QtMultimediaCameraHandler::StopCapture() {
if (camera->isActive()) {
camera->stop();
}
paused = false;
}
} // namespace Camera