sustaining_gazes/gui/OpenFaceOffline/MainWindow.xaml.cs

1062 lines
39 KiB
C#
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016, Carnegie Mellon University and University of Cambridge,
// all rights reserved.
//
// THIS SOFTWARE IS PROVIDED “AS IS” FOR ACADEMIC USE ONLY AND ANY EXPRESS
// OR IMPLIED WARRANTIES WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY.
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Notwithstanding the license granted herein, Licensee acknowledges that certain components
// of the Software may be covered by so-called “open source” software licenses (“Open Source
// Components”), which means any software licenses approved as open source licenses by the
// Open Source Initiative or any substantially similar licenses, including without limitation any
// license that, as a condition of distribution of the software licensed under such license,
// requires that the distributor make the software available in source code format. Licensor shall
// provide a list of Open Source Components for a particular version of the Software upon
// Licensees request. Licensee will comply with the applicable terms of such licenses and to
// the extent required by the licenses covering Open Source Components, the terms of such
// licenses will apply in lieu of the terms of this Agreement. To the extent the terms of the
// licenses applicable to Open Source Components prohibit any of the restrictions in this
// License Agreement with respect to such Open Source Component, such restrictions will not
// apply to such Open Source Component. To the extent the terms of the licenses applicable to
// Open Source Components require Licensor to make an offer to provide source code or
// related information in connection with the Software, such offer is hereby made. Any request
// for source code or related information should be directed to cl-face-tracker-distribution@lists.cam.ac.uk
// Licensee acknowledges receipt of notices for the Open Source Components for the initial
// delivery of the Software.
// * Any publications arising from the use of this software, including but
// not limited to academic journal and conference publications, technical
// reports and manuals, must cite at least one of the following works:
//
// OpenFace: an open source facial behavior analysis toolkit
// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency
// in IEEE Winter Conference on Applications of Computer Vision, 2016
//
// Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
// Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling
// in IEEE International. Conference on Computer Vision (ICCV), 2015
//
// Cross-dataset learning and person-speci?c normalisation for automatic Action Unit detection
// Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson
// in Facial Expression Recognition and Analysis Challenge,
// IEEE International Conference on Automatic Face and Gesture Recognition, 2015
//
// Constrained Local Neural Fields for robust facial landmark detection in the wild.
// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency.
// in IEEE Int. Conference on Computer Vision Workshops, 300 Faces in-the-Wild Challenge, 2013.
//
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using System.Windows;
using System.Windows.Threading;
using System.Windows.Media.Imaging;
using System.IO;
using Microsoft.Win32;
// Internal libraries
using OpenCVWrappers;
using CppInterop;
using CppInterop.LandmarkDetector;
using CameraInterop;
using FaceAnalyser_Interop;
using System.Globalization;
using Microsoft.WindowsAPICodePack.Dialogs;
namespace OpenFaceOffline
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
// Timing for measuring FPS
#region High-Resolution Timing
static DateTime startTime;
static Stopwatch sw = new Stopwatch();
static MainWindow()
{
startTime = DateTime.Now;
sw.Start();
}
public static DateTime CurrentTime
{
get { return startTime + sw.Elapsed; }
}
#endregion
// -----------------------------------------------------------------
// Members
// -----------------------------------------------------------------
Thread processing_thread;
// Some members for displaying the results
private Capture capture;
private WriteableBitmap latest_img;
private WriteableBitmap latest_aligned_face;
private WriteableBitmap latest_HOG_descriptor;
// Managing the running of the analysis system
private volatile bool thread_running;
private volatile bool thread_paused = false;
// Allows for going forward in time step by step
// Useful for visualising things
private volatile int skip_frames = 0;
FpsTracker processing_fps = new FpsTracker();
volatile bool detectionSucceeding = false;
// For tracking
FaceModelParameters clnf_params;
CLNF clnf_model;
FaceAnalyserManaged face_analyser;
// Recording parameters (default values)
Recorder recorder;
public bool RecordAligned { get; set; } = false; // Aligned face images
public bool RecordHOG { get; set; } = false; // HOG features extracted from face images
public bool Record2DLandmarks { get; set; } = true; // 2D locations of facial landmarks (in pixels)
public bool Record3DLandmarks { get; set; } = true; // 3D locations of facial landmarks (in pixels)
public bool RecordModelParameters { get; set; } = true; // Facial shape parameters (rigid and non-rigid geometry)
public bool RecordPose { get; set; } = true; // Head pose (position and orientation)
public bool RecordAUs { get; set; } = true; // Facial action units
public bool RecordGaze { get; set; } = true; // Eye gaze
// Visualisation options
public bool ShowTrackedVideo { get; set; } = true; // Showing the actual tracking
public bool ShowAppearance { get; set; } = true; // Showing appeaance features like HOG
public bool ShowGeometry { get; set; } = true; // Showing geometry features, pose, gaze, and non-rigid
public bool ShowAUs { get; set; } = true; // Showing Facial Action Units
int image_output_size = 112;
// TODO classifiers converted to regressors
// TODO indication that track is done
// Where the recording is done (by default in a record directory, from where the application executed)
String record_root = "./record";
// For AU prediction, if videos are long dynamic models should be used
public bool DynamicAUModels { get; set; } = true;
public MainWindow()
{
InitializeComponent();
this.DataContext = this; // For WPF data binding
// Set the icon
Uri iconUri = new Uri("logo1.ico", UriKind.RelativeOrAbsolute);
this.Icon = BitmapFrame.Create(iconUri);
String root = AppDomain.CurrentDomain.BaseDirectory;
clnf_params = new FaceModelParameters(root, false);
clnf_model = new CLNF(clnf_params);
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
}
// ----------------------------------------------------------
// Actual work gets done here
// The main function call for processing images or video files, TODO rename this as it is not a loop
private void ProcessingLoop(String[] filenames, int cam_id = -1, int width = -1, int height = -1, bool multi_face = false)
{
SetupFeatureExtractionMode();
thread_running = true;
// Create the video capture and call the VideoLoop
if (filenames != null)
{
clnf_params.optimiseForVideo();
if (cam_id == -2)
{
List<String> image_files_all = new List<string>();
foreach (string image_name in filenames)
image_files_all.Add(image_name);
// Loading an image sequence that represents a video
capture = new Capture(image_files_all);
if (capture.isOpened())
{
// Prepare recording if any based on the directory
String file_no_ext = System.IO.Path.GetDirectoryName(filenames[0]);
file_no_ext = System.IO.Path.GetFileName(file_no_ext);
// Start the actual processing and recording
FeatureExtractionLoop(file_no_ext);
}
else
{
string messageBoxText = "Failed to open an image";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
else if (cam_id == -3)
{
SetupImageMode();
clnf_params.optimiseForImages();
// Loading an image file (or a number of them)
foreach (string filename in filenames)
{
if (!thread_running)
{
continue;
}
capture = new Capture(filename);
if (capture.isOpened())
{
// Start the actual processing
ProcessImage();
}
else
{
string messageBoxText = "File is not an image or the decoder is not supported.";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
}
else
{
clnf_params.optimiseForVideo();
// Loading a video file (or a number of them)
foreach (string filename in filenames)
{
if (!thread_running)
{
continue;
}
capture = new Capture(filename);
if (capture.isOpened())
{
String file_no_ext = System.IO.Path.GetFileNameWithoutExtension(filename);
// Start the actual processing
FeatureExtractionLoop(file_no_ext);
}
else
{
string messageBoxText = "File is not a video or the codec is not supported.";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
}
}
EndMode();
}
// Capturing and processing the video frame by frame
private void ProcessImage()
{
Thread.CurrentThread.IsBackground = true;
clnf_model.Reset();
face_analyser.Reset();
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
return;
}
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
return;
}
List<List<Tuple<double, double>>> landmark_detections = ProcessImage(clnf_model, clnf_params, frame, grayFrame);
List<Point> landmark_points = new List<Point>();
for (int i = 0; i < landmark_detections.Count; ++i)
{
List<Tuple<double, double>> landmarks = landmark_detections[i];
foreach (var p in landmarks)
{
landmark_points.Add(new Point(p.Item1, p.Item2));
}
}
// Visualisation
if (ShowTrackedVideo)
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
if (latest_img == null)
{
latest_img = frame.CreateWriteableBitmap();
}
frame.UpdateWriteableBitmap(latest_img);
video.Source = latest_img;
video.Confidence = 1;
video.FPS = processing_fps.GetFPS();
video.Progress = progress;
video.OverlayLines = new List<Tuple<Point, Point>>();
video.OverlayPoints = landmark_points;
}));
}
latest_img = null;
}
// Capturing and processing the video frame by frame
private void FeatureExtractionLoop(string output_file_name)
{
DateTime? startTime = CurrentTime;
var lastFrameTime = CurrentTime;
clnf_model.Reset();
face_analyser.Reset();
// TODO add an ability to change these through a calibration procedure or setting menu
double fx = 500.0 * (capture.width / 640.0);
double fy = 500.0 * (capture.height / 480.0);
fx = (fx + fy) / 2.0;
fy = fx;
double cx = capture.width / 2f;
double cy = capture.height / 2f;
// Setup the recorder first
recorder = new Recorder(record_root, output_file_name, capture.width, capture.height, Record2DLandmarks, Record3DLandmarks, RecordModelParameters, RecordPose,
RecordAUs, RecordGaze, RecordAligned, RecordHOG, clnf_model, face_analyser, fx, fy, cx, cy, DynamicAUModels);
int frame_id = 0;
double fps = capture.GetFPS();
if (fps <= 0) fps = 30;
while (thread_running)
{
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
break;
}
// TODO stop button should actually clear the video
lastFrameTime = CurrentTime;
processing_fps.AddFrame();
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
continue;
}
detectionSucceeding = ProcessFrame(clnf_model, clnf_params, frame, grayFrame, fx, fy, cx, cy);
// The face analysis step (for AUs and eye gaze)
face_analyser.AddNextFrame(frame, clnf_model, fx, fy, cx, cy, false, ShowAppearance, false); // TODO change
recorder.RecordFrame(clnf_model, face_analyser, detectionSucceeding, frame_id + 1, ((double)frame_id) / fps);
List<Tuple<double, double>> landmarks = clnf_model.CalculateLandmarks();
VisualizeFeatures(frame, landmarks, fx, fy, cx, cy, progress);
while (thread_running & thread_paused && skip_frames == 0)
{
Thread.Sleep(10);
}
frame_id++;
if (skip_frames > 0)
skip_frames--;
}
latest_img = null;
skip_frames = 0;
// Unpause if it's paused
if (thread_paused)
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
PauseButton_Click(null, null);
}));
}
recorder.FinishRecording(clnf_model, face_analyser);
}
// Replaying the features frame by frame
private void FeatureVisualizationLoop(string input_feature_file, string input_video_file)
{
DateTime? startTime = CurrentTime;
var lastFrameTime = CurrentTime;
clnf_model.Reset();
face_analyser.Reset();
// TODO these need to be stored so that they could be loaded somewhere
double fx = 500.0 * (capture.width / 640.0);
double fy = 500.0 * (capture.height / 480.0);
fx = (fx + fy) / 2.0;
fy = fx;
double cx = capture.width / 2f;
double cy = capture.height / 2f;
int frame_id = 0;
double fps = capture.GetFPS();
if (fps <= 0) fps = 30;
while (thread_running)
{
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
break;
}
// TODO stop button should actually clear the video
lastFrameTime = CurrentTime;
processing_fps.AddFrame();
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
continue;
}
detectionSucceeding = ProcessFrame(clnf_model, clnf_params, frame, grayFrame, fx, fy, cx, cy);
// The face analysis step (for AUs and eye gaze)
face_analyser.AddNextFrame(frame, clnf_model, fx, fy, cx, cy, false, ShowAppearance, false); // TODO change
recorder.RecordFrame(clnf_model, face_analyser, detectionSucceeding, frame_id + 1, ((double)frame_id) / fps);
List<Tuple<double, double>> landmarks = clnf_model.CalculateLandmarks();
VisualizeFeatures(frame, landmarks, fx, fy, cx, cy, progress);
while (thread_running & thread_paused && skip_frames == 0)
{
Thread.Sleep(10);
}
frame_id++;
if (skip_frames > 0)
skip_frames--;
}
latest_img = null;
skip_frames = 0;
// Unpause if it's paused
if (thread_paused)
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
PauseButton_Click(null, null);
}));
}
recorder.FinishRecording(clnf_model, face_analyser);
}
private void VisualizeFeatures(RawImage frame, List<Tuple<double, double>> landmarks, double fx, double fy, double cx, double cy, double progress)
{
List<Tuple<Point, Point>> lines = null;
List<Tuple<double, double>> eye_landmarks = null;
List<Tuple<Point, Point>> gaze_lines = null;
Tuple<double, double> gaze_angle = new Tuple<double, double>(0, 0);
List<double> pose = new List<double>();
clnf_model.GetPose(pose, fx, fy, cx, cy);
List<double> non_rigid_params = clnf_model.GetNonRigidParams();
double confidence = (-clnf_model.GetConfidence()) / 2.0 + 0.5;
if (confidence < 0)
confidence = 0;
else if (confidence > 1)
confidence = 1;
if (detectionSucceeding)
{
eye_landmarks = clnf_model.CalculateEyeLandmarks();
lines = clnf_model.CalculateBox((float)fx, (float)fy, (float)cx, (float)cy);
double scale = clnf_model.GetRigidParams()[0];
gaze_lines = face_analyser.CalculateGazeLines(scale, (float)fx, (float)fy, (float)cx, (float)cy);
gaze_angle = face_analyser.GetGazeAngle();
}
// Visualisation (as a separate function)
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
if (ShowAUs)
{
var au_classes = face_analyser.GetCurrentAUsClass();
var au_regs = face_analyser.GetCurrentAUsReg();
auClassGraph.Update(au_classes);
var au_regs_scaled = new Dictionary<String, double>();
foreach (var au_reg in au_regs)
{
au_regs_scaled[au_reg.Key] = au_reg.Value / 5.0;
if (au_regs_scaled[au_reg.Key] < 0)
au_regs_scaled[au_reg.Key] = 0;
if (au_regs_scaled[au_reg.Key] > 1)
au_regs_scaled[au_reg.Key] = 1;
}
auRegGraph.Update(au_regs_scaled);
}
if (ShowGeometry)
{
int yaw = (int)(pose[4] * 180 / Math.PI + 0.5);
int roll = (int)(pose[5] * 180 / Math.PI + 0.5);
int pitch = (int)(pose[3] * 180 / Math.PI + 0.5);
YawLabel.Content = yaw + "°";
RollLabel.Content = roll + "°";
PitchLabel.Content = pitch + "°";
XPoseLabel.Content = (int)pose[0] + " mm";
YPoseLabel.Content = (int)pose[1] + " mm";
ZPoseLabel.Content = (int)pose[2] + " mm";
nonRigidGraph.Update(non_rigid_params);
// Update eye gaze
String x_angle = String.Format("{0:F0}°", gaze_angle.Item1 * (180.0 / Math.PI));
String y_angle = String.Format("{0:F0}°", gaze_angle.Item2 * (180.0 / Math.PI));
GazeXLabel.Content = x_angle;
GazeYLabel.Content = y_angle;
}
if (ShowTrackedVideo)
{
if (latest_img == null)
{
latest_img = frame.CreateWriteableBitmap();
}
frame.UpdateWriteableBitmap(latest_img);
video.Source = latest_img;
video.Confidence = confidence;
video.FPS = processing_fps.GetFPS();
video.Progress = progress;
if (!detectionSucceeding)
{
video.OverlayLines.Clear();
video.OverlayPoints.Clear();
video.OverlayEyePoints.Clear();
video.GazeLines.Clear();
}
else
{
video.OverlayLines = lines;
List<Point> landmark_points = new List<Point>();
foreach (var p in landmarks)
{
landmark_points.Add(new Point(p.Item1, p.Item2));
}
List<Point> eye_landmark_points = new List<Point>();
foreach (var p in eye_landmarks)
{
eye_landmark_points.Add(new Point(p.Item1, p.Item2));
}
video.OverlayPoints = landmark_points;
video.OverlayEyePoints = eye_landmark_points;
video.GazeLines = gaze_lines;
}
}
if (ShowAppearance)
{
RawImage aligned_face = face_analyser.GetLatestAlignedFace();
RawImage hog_face = face_analyser.GetLatestHOGDescriptorVisualisation();
if (latest_aligned_face == null)
{
latest_aligned_face = aligned_face.CreateWriteableBitmap();
latest_HOG_descriptor = hog_face.CreateWriteableBitmap();
}
aligned_face.UpdateWriteableBitmap(latest_aligned_face);
hog_face.UpdateWriteableBitmap(latest_HOG_descriptor);
AlignedFace.Source = latest_aligned_face;
AlignedHOG.Source = latest_HOG_descriptor;
}
}));
}
private void StopTracking()
{
// First complete the running of the thread
if (processing_thread != null)
{
// Tell the other thread to finish
thread_running = false;
processing_thread.Join();
}
}
// ----------------------------------------------------------
// Interacting with landmark detection and face analysis
private bool ProcessFrame(CLNF clnf_model, FaceModelParameters clnf_params, RawImage frame, RawImage grayscale_frame, double fx, double fy, double cx, double cy)
{
detectionSucceeding = clnf_model.DetectLandmarksInVideo(grayscale_frame, clnf_params);
return detectionSucceeding;
}
private List<List<Tuple<double, double>>> ProcessImage(CLNF clnf_model, FaceModelParameters clnf_params, RawImage frame, RawImage grayscale_frame)
{
List<List<Tuple<double, double>>> landmark_detections = clnf_model.DetectMultiFaceLandmarksInImage(grayscale_frame, clnf_params);
return landmark_detections;
}
// ----------------------------------------------------------
// Mode handling (image, video)
// ----------------------------------------------------------
private void SetupImageMode()
{
// Turn off unneeded visualisations
ShowTrackedVideo = true;
ShowAppearance = false;
ShowGeometry = false;
ShowAUs = false;
RecordAligned = false;
RecordHOG = false;
// Actually update the GUI accordingly
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 2000), (Action)(() =>
{
VisualisationChange(null, null);
}));
// TODO change what next and back buttons do?
}
// Disable GUI components that should not be active during processing
private void SetupFeatureExtractionMode()
{
Dispatcher.Invoke((Action)(() =>
{
SettingsMenu.IsEnabled = false;
RecordingMenu.IsEnabled = false;
AUSetting.IsEnabled = false;
PauseButton.IsEnabled = true;
StopButton.IsEnabled = true;
NextFiveFramesButton.IsEnabled = false;
NextFrameButton.IsEnabled = false;
}));
}
// When the processing is done re-enable the components
private void EndMode()
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 1, 0), (Action)(() =>
{
SettingsMenu.IsEnabled = true;
RecordingMenu.IsEnabled = true;
AUSetting.IsEnabled = true;
PauseButton.IsEnabled = false;
StopButton.IsEnabled = false;
NextFiveFramesButton.IsEnabled = false;
NextFrameButton.IsEnabled = false;
// Clean up the interface itself
video.Source = null;
auClassGraph.Update(new Dictionary<string, double>());
auRegGraph.Update(new Dictionary<string, double>());
YawLabel.Content = "0°";
RollLabel.Content = "0°";
PitchLabel.Content = "0°";
XPoseLabel.Content = "0 mm";
YPoseLabel.Content = "0 mm";
ZPoseLabel.Content = "0 mm";
nonRigidGraph.Update(new List<double>());
GazeXLabel.Content = "0°";
GazeYLabel.Content = "0°";
AlignedFace.Source = null;
AlignedHOG.Source = null;
}));
}
// ----------------------------------------------------------
// Opening Videos/Images
// ----------------------------------------------------------
private void videoFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => openVideoFile()).Start();
}
private void openVideoFile()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Video files|*.avi;*.wmv;*.mov;*.mpg;*.mpeg;*.mp4";
if (d.ShowDialog(this) == true)
{
string[] video_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(video_files));
processing_thread.Start();
}
}));
}
private void imageFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => imageOpen()).Start();
}
private void imageOpen()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Image files|*.jpg;*.jpeg;*.bmp;*.png;*.gif";
if (d.ShowDialog(this) == true)
{
string[] image_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(image_files, -3));
processing_thread.Start();
}
}));
}
private void imageSequenceFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => imageSequenceOpen()).Start();
}
private void imageSequenceOpen()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Image files|*.jpg;*.jpeg;*.bmp;*.png;*.gif";
if (d.ShowDialog(this) == true)
{
string[] image_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(image_files, -2));
processing_thread.Start();
}
}));
}
// --------------------------------------------------------
// Button handling
// --------------------------------------------------------
// Cleanup stuff when closing the window
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_running = false;
processing_thread.Join();
capture.Dispose();
}
face_analyser.Dispose();
}
// Stopping the tracking
private void StopButton_Click(object sender, RoutedEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_paused = false;
thread_running = false;
// Let the processing thread finish
processing_thread.Join();
// Clean up the interface
EndMode();
}
}
private void PauseButton_Click(object sender, RoutedEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_paused = !thread_paused;
NextFrameButton.IsEnabled = thread_paused;
NextFiveFramesButton.IsEnabled = thread_paused;
if (thread_paused)
{
PauseButton.Content = "Resume";
}
else
{
PauseButton.Content = "Pause";
}
}
}
private void SkipButton_Click(object sender, RoutedEventArgs e)
{
if (sender.Equals(NextFrameButton))
{
skip_frames += 1;
}
else if (sender.Equals(NextFiveFramesButton))
{
skip_frames += 5;
}
}
private void VisualisationChange(object sender, RoutedEventArgs e)
{
// Collapsing or restoring the windows here
if (!ShowTrackedVideo)
{
VideoBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[0].Width = new GridLength(0, GridUnitType.Star);
}
else
{
VideoBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[0].Width = new GridLength(2.1, GridUnitType.Star);
}
if (!ShowAppearance)
{
AppearanceBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[1].Width = new GridLength(0, GridUnitType.Star);
}
else
{
AppearanceBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[1].Width = new GridLength(0.8, GridUnitType.Star);
}
// Collapsing or restoring the windows here
if (!ShowGeometry)
{
GeometryBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[2].Width = new GridLength(0, GridUnitType.Star);
}
else
{
GeometryBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[2].Width = new GridLength(1.0, GridUnitType.Star);
}
// Collapsing or restoring the windows here
if (!ShowAUs)
{
ActionUnitBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[3].Width = new GridLength(0, GridUnitType.Star);
}
else
{
ActionUnitBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[3].Width = new GridLength(1.6, GridUnitType.Star);
}
}
private void UseDynamicModelsCheckBox_Click(object sender, RoutedEventArgs e)
{
// Change the face analyser, this should be safe as the model is only allowed to change when not running
String root = AppDomain.CurrentDomain.BaseDirectory;
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
}
private void setOutputImageSize_Click(object sender, RoutedEventArgs e)
{
NumberEntryWindow number_entry_window = new NumberEntryWindow();
number_entry_window.Icon = this.Icon;
number_entry_window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
if (number_entry_window.ShowDialog() == true)
{
image_output_size = number_entry_window.OutputInt;
String root = AppDomain.CurrentDomain.BaseDirectory;
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
}
}
private void OutputLocationItem_Click(object sender, RoutedEventArgs e)
{
var dlg = new CommonOpenFileDialog();
dlg.Title = "Select output directory";
dlg.IsFolderPicker = true;
dlg.AllowNonFileSystemItems = false;
dlg.EnsureFileExists = true;
dlg.EnsurePathExists = true;
dlg.EnsureReadOnly = false;
dlg.EnsureValidNames = true;
dlg.Multiselect = false;
dlg.ShowPlacesList = true;
if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
{
var folder = dlg.FileName;
record_root = folder;
}
}
}
}