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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// Text : Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <memory>
#include <QtCore>
#if YUZU_USE_QT_MULTIMEDIA
#include <QCamera>
#include <QImageCapture>
#include <QMediaCaptureSession>
#include <QMediaDevices>
#endif
#include <QStandardItemModel>
#include <QTimer>
#include "common/settings.h"
#include "input_common/drivers/camera.h"
#include "input_common/main.h"
#include "ui_configure_camera.h"
#include "yuzu/configuration/configure_camera.h"
ConfigureCamera::ConfigureCamera(QWidget* parent, InputCommon::InputSubsystem* input_subsystem_)
: QDialog(parent), input_subsystem{input_subsystem_},
ui(std::make_unique<Ui::ConfigureCamera>()) {
ui->setupUi(this);
connect(ui->restore_defaults_button, &QPushButton::clicked, this,
&ConfigureCamera::RestoreDefaults);
connect(ui->preview_button, &QPushButton::clicked, this, &ConfigureCamera::PreviewCamera);
auto blank_image = QImage(320, 240, QImage::Format::Format_RGB32);
blank_image.fill(Qt::black);
DisplayCapturedFrame(0, blank_image);
LoadConfiguration();
resize(0, 0);
}
ConfigureCamera::~ConfigureCamera() = default;
void ConfigureCamera::PreviewCamera() {
#if YUZU_USE_QT_MULTIMEDIA
const auto index = ui->ir_sensor_combo_box->currentIndex();
bool camera_found = false;
const QList<QCameraDevice> cameras = QMediaDevices::videoInputs();
for (const QCameraDevice& cameraDevice : cameras) {
if (input_devices[index] == cameraDevice.id().toStdString() ||
input_devices[index] == "auto") {
LOG_INFO(Frontend, "Selected Camera {} {}", cameraDevice.description().toStdString(),
cameraDevice.id().toStdString());
if (cameraDevice.videoFormats().isEmpty()) {
LOG_ERROR(Frontend, "Camera doesn't provide any video formats.");
continue;
}
camera = std::make_unique<QCamera>(cameraDevice);
camera_found = true;
break;
}
}
// Clear previous frame
auto blank_image = QImage(320, 240, QImage::Format::Format_RGB32);
blank_image.fill(Qt::black);
DisplayCapturedFrame(0, blank_image);
if (!camera_found) {
return;
}
capture_session = std::make_unique<QMediaCaptureSession>();
camera_capture = std::make_unique<QImageCapture>();
capture_session->setCamera(camera.get());
capture_session->setImageCapture(camera_capture.get());
connect(camera_capture.get(), &QImageCapture::imageCaptured, this,
&ConfigureCamera::DisplayCapturedFrame);
camera->start();
pending_snapshots = 0;
is_virtual_camera = false;
camera_timer = std::make_unique<QTimer>();
connect(camera_timer.get(), &QTimer::timeout, [this] {
// If the camera doesn't capture, test for virtual cameras
if (pending_snapshots > 5) {
is_virtual_camera = true;
}
// Virtual cameras like obs need to reset the camera every capture
if (is_virtual_camera) {
camera->stop();
camera->start();
}
pending_snapshots++;
camera_capture->capture();
});
camera_timer->start(250);
#endif
}
void ConfigureCamera::DisplayCapturedFrame(int requestId, const QImage& img) {
LOG_INFO(Frontend, "ImageCaptured {} {}", img.width(), img.height());
const auto converted = img.scaled(320, 240, Qt::AspectRatioMode::IgnoreAspectRatio,
Qt::TransformationMode::SmoothTransformation);
ui->preview_box->setPixmap(QPixmap::fromImage(converted));
pending_snapshots = 0;
}
void ConfigureCamera::changeEvent(QEvent* event) {
if (event->type() == QEvent::LanguageChange) {
RetranslateUI();
}
QDialog::changeEvent(event);
}
void ConfigureCamera::RetranslateUI() {
ui->retranslateUi(this);
}
void ConfigureCamera::ApplyConfiguration() {
std::string current_device = input_devices[ui->ir_sensor_combo_box->currentIndex()];
#ifdef _WIN32
// for whatever reason replacing with / isn't enough so we use | for saving
std::replace(current_device.begin(), current_device.end(), '\\', '|');
#endif
Settings::values.ir_sensor_device.SetValue(current_device);
}
void ConfigureCamera::LoadConfiguration() {
input_devices.clear();
ui->ir_sensor_combo_box->clear();
input_devices.push_back("auto");
ui->ir_sensor_combo_box->addItem(tr("Auto"));
#if YUZU_USE_QT_MULTIMEDIA
const auto cameras = QMediaDevices::videoInputs();
for (const QCameraDevice& cameraDevice : cameras) {
input_devices.push_back(cameraDevice.id().toStdString());
ui->ir_sensor_combo_box->addItem(cameraDevice.description());
}
#endif
std::string current_device = Settings::values.ir_sensor_device.GetValue();
#ifdef _WIN32
std::replace(current_device.begin(), current_device.end(), '|', '\\');
#endif
const auto devices_it = std::find_if(
input_devices.begin(), input_devices.end(),
[current_device](const std::string& device) { return device == current_device; });
const int device_index =
devices_it != input_devices.end()
? static_cast<int>(std::distance(input_devices.begin(), devices_it))
: 0;
ui->ir_sensor_combo_box->setCurrentIndex(device_index);
}
void ConfigureCamera::RestoreDefaults() {
ui->ir_sensor_combo_box->setCurrentIndex(0);
}
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