yuzu: Hook qt camera to camera driver

src/yuzu/configuration/configure_camera.cpp

@@ -0,0 +1,126 @@
+// Text : Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <memory>
+#include <QCameraImageCapture>
+#include <QCameraInfo>
+#include <QStandardItemModel>
+#include <QTimer>
+
+#include "input_common/drivers/camera.h"
+#include "input_common/main.h"
+#include "ui_configure_camera.h"
+#include "yuzu/configuration/config.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() {
+    const auto index = ui->ir_sensor_combo_box->currentIndex();
+    bool camera_found = false;
+    const QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
+    for (const QCameraInfo& cameraInfo : cameras) {
+        if (input_devices[index] == cameraInfo.deviceName().toStdString() ||
+            input_devices[index] == "Auto") {
+            LOG_ERROR(Frontend, "Selected Camera {} {}", cameraInfo.description().toStdString(),
+                      cameraInfo.deviceName().toStdString());
+            camera = std::make_unique<QCamera>(cameraInfo);
+            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;
+    }
+
+    camera_capture = std::make_unique<QCameraImageCapture>(camera.get());
+    connect(camera_capture.get(), &QCameraImageCapture::imageCaptured, this,
+            &ConfigureCamera::DisplayCapturedFrame);
+    camera->unload();
+    camera->setCaptureMode(QCamera::CaptureViewfinder);
+    camera->load();
+
+    camera_timer = std::make_unique<QTimer>();
+    connect(camera_timer.get(), &QTimer::timeout, [this] {
+        camera->stop();
+        camera->start();
+
+        camera_capture->capture();
+    });
+
+    camera_timer->start(250);
+}
+
+void ConfigureCamera::DisplayCapturedFrame(int requestId, const QImage& img) {
+    LOG_ERROR(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));
+}
+
+void ConfigureCamera::changeEvent(QEvent* event) {
+    if (event->type() == QEvent::LanguageChange) {
+        RetranslateUI();
+    }
+
+    QDialog::changeEvent(event);
+}
+
+void ConfigureCamera::RetranslateUI() {
+    ui->retranslateUi(this);
+}
+
+void ConfigureCamera::ApplyConfiguration() {
+    const auto index = ui->ir_sensor_combo_box->currentIndex();
+    Settings::values.ir_sensor_device.SetValue(input_devices[index]);
+}
+
+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"));
+    const auto cameras = QCameraInfo::availableCameras();
+    for (const QCameraInfo& cameraInfo : cameras) {
+        input_devices.push_back(cameraInfo.deviceName().toStdString());
+        ui->ir_sensor_combo_box->addItem(cameraInfo.description());
+    }
+
+    const auto current_device = Settings::values.ir_sensor_device.GetValue();
+
+    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);
+}