move to subdirectory-based build system

Closes #224

1 files changed, 73 insertions, 0 deletions

diff --git a/filter-kalman/ftnoir_filter_kalman.h b/filter-kalman/ftnoir_filter_kalman.h
new file mode 100644
index 00000000..a6f40bb7
--- /dev/null
+++ b/filter-kalman/ftnoir_filter_kalman.h
@@ -0,0 +1,73 @@
+#pragma once
+/* Copyright (c) 2013 Stanisław Halik <sthalik@misaki.pl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+#ifndef INCLUDED_FTN_FILTER_H
+#define INCLUDED_FTN_FILTER_H
+
+#include "ui_ftnoir_kalman_filtercontrols.h"
+#include "opentrack/plugin-api.hpp"
+#include <opencv2/core/core.hpp>
+#include <opencv2/video/video.hpp>
+#include <vector>
+#include <QString>
+#include <QElapsedTimer>
+#include <QWidget>
+#include "opentrack/options.hpp"
+using namespace options;
+
+struct settings : opts {
+    value<int> noise_stddev_slider;
+    // slider for noise_stddev goes 0->(mult_noise_stddev * 100)
+    static constexpr double mult_noise_stddev = .5;
+    settings() : opts("kalman-filter"), noise_stddev_slider(b, "noise-stddev", 40)
+    {}
+};
+
+class FTNoIR_Filter : public IFilter
+{
+public:
+    FTNoIR_Filter();
+    void reset();
+    void filter(const double *input, double *output);
+    // Set accel_stddev assuming moving 0.0->accel in dt_ is 3 stddevs: (accel*4/dt_^2)/3.
+    static constexpr double dt_ = .4;
+    static constexpr double accel = 60.;
+    static constexpr double accel_stddev = (accel*4/(dt_*dt_))/3.0;
+    cv::KalmanFilter kalman;
+    double last_input[6];
+    QElapsedTimer timer;
+    settings s;
+    int prev_slider_pos;
+};
+
+class FTNoIR_FilterDll : public Metadata
+{
+public:
+    QString name() { return QString("Kalman"); }
+    QIcon icon() { return QIcon(":/images/filter-16.png"); }
+};
+
+class FilterControls: public IFilterDialog
+{
+    Q_OBJECT
+public:
+    FilterControls() {
+        ui.setupUi(this);
+        connect(ui.buttonBox, SIGNAL(accepted()), this, SLOT(doOK()));
+        connect(ui.buttonBox, SIGNAL(rejected()), this, SLOT(doCancel()));
+        tie_setting(s.noise_stddev_slider, ui.noise_slider);
+    }
+    Ui::KalmanUICFilterControls ui;
+    void register_filter(IFilter*) override {}
+    void unregister_filter() override {}
+    settings s;
+public slots:
+    void doOK();
+    void doCancel();
+};
+
+#endif