private async Task StopVideo()
{
if (VideoElement.MediaState != MediaPlaybackState.Play)
{
return;
}
await VideoElement.Stop();
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
base.OnNavigatedFrom(e);
VideoElement.Stop();
_timer.Stop();
_timer.Tick -= UpdateVideoPosition;
SystemNavigationManager.GetForCurrentView().BackRequested -= NavigateBackRequested;
}
private void SetupVideo()
{
VideoElement.Source = new Uri(Settings.Default.VideoSource);
VideoElement.MediaEnded += (sender, args) =>
{
VideoElement.Stop();
PlayButton.Visibility = Visibility.Visible;
_mainWindows.Show();
};
}
private async void Command_UnloadMedia(object sender, ExecutedRoutedEventArgs e)
{
//MediaPlayer.Stop();
await VideoElement.Stop();
await VideoElement.Close();
MediaLoaded = false;
Position.Time = 0;
}
private void ControllerViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
var property = typeof(TelloControllerViewModel).GetProperty(e.PropertyName);
var value = property.GetValue(sender);
Debug.WriteLine($"{nameof(ControllerViewModel_PropertyChanged)} - property '{e.PropertyName}', value '{value}'");
if (e.PropertyName == nameof(TelloControllerViewModel.IsVideoStreaming) && (bool)value)
{
VideoElement.Play();
}
else
{
VideoElement.Stop();
}
}
//返回按鍵,關閉聲音撥放計算
private void back_Click(object sender, RoutedEventArgs e)
{
times = 0;
second = 0;
unit = 0;
action = 0;
res[0] = 0;
res[1] = 0;
finish = 0;
VideoElement.Stop();
GoodElement.Stop();
LeftNegativeElement.Stop();
LeftPositiveElement.Stop();
RightNegativeElement.Stop();
RightPositiveElement.Stop();
BGMusicElement.Stop();
this.NavigationService.Navigate(menu);
}
private async Task ClearVideoElement(bool seek)
{
await Task.Run(async() =>
{
await VideoElement.Stop();
Dispatcher.Invoke(() =>
{
VideoElement.Position = new TimeSpan(0);
VideoElement.Source = null;
VideoElement.Dispose();
VideoElement = null;
VideoElementBorder.Visibility = Visibility.Hidden;
VideoElement = new Unosquare.FFME.MediaElement
{
IsMuted = true,
LoadedBehavior = MediaState.Manual,
Visibility = System.Windows.Visibility.Visible,
};
VideoElement.MediaOpened += VideoElement_MediaOpened;
VideoElement.MediaFailed += VideoElement_MediaFailed;
VideoElement.MediaEnded += (sender, e) => { VideoElement.Position = TimeSpan.FromSeconds(0); };
if (seek)
{
VideoElement.SeekingStarted += (sender, e) => { };
VideoElement.SeekingEnded += (sender, e) =>
{
if (!_videoPlay)
{
return;
}
PlayMedia();
};
}
VideoElementBorder.Children.Add(VideoElement);
});
});
}
//動作完成時,影片重複播放
private void ResetTime()
{
if (preTime != times)
{
VideoElement.Stop();
VideoElement.Play();
sec = 100;
preTime = times;
A.Value = 100;
failSecond = 1;
if (unit == 1 || unit == 2)
{
finish = 1;
}
else if (unit == 3 || unit == 4)
{
finish = 2;
}
else
{
finish = 0;
}
}
}
private async Task SafelyRecreateVideoElement(bool showVideo)
{
await Task.Run(async() =>
{
await VideoElement.Stop();
Dispatcher.Invoke(() =>
{
VideoElement.Position = TimeSpan.Zero;
VideoElement.Source = null;
VideoElement.MediaOpened -= OnMediaOpened;
VideoElement.MediaFailed -= OnMediaFailed;
VideoElement.MediaEnded -= OnMediaEnded;
VideoElement.SeekingStarted -= OnSeekingStarted;
VideoElement.SeekingEnded -= OnSeekingEnded;
//VideoElement.Dispose();
VideoElement = null;
VideoElementBorder.Visibility = Visibility.Hidden;
VideoElement = new Unosquare.FFME.MediaElement
{
IsMuted = true,
LoadedBehavior = MediaPlaybackState.Manual,
Visibility = Visibility.Visible,
};
VideoElement.MediaOpened += OnMediaOpened;
VideoElement.MediaFailed += OnMediaFailed;
VideoElement.MediaEnded += OnMediaEnded;
if (showVideo)
{
VideoElement.SeekingStarted += OnSeekingStarted;
VideoElement.SeekingEnded += OnSeekingEnded;
}
VideoElementBorder.Children.Add(VideoElement);
});
});
async void OnMediaOpened(object sender, MediaOpenedEventArgs e)
{
VideoElementBorder.Visibility = Visibility.Visible;
if (!_videoPlay)
{
return;
}
await Task.Run(() => _waitAction?.Invoke());
if (VideoElement == null /* || VideoElement.IsDisposed*/)
{
return;
}
await VideoElement.Play();
VideoElement.Position = _position;
}
async void OnMediaFailed(object sender, MediaFailedEventArgs e)
{
VideoElementBorder.Visibility = Visibility.Hidden;
//MsgBox.Show(this, e.ErrorException.ToString(), "不支持的视频格式", MessageBoxButton.OK, MessageBoxImage.Error);
if (!_videoPlay)
{
return;
}
await SafelyRecreateVideoElement(false);
PlayMedia();
}
void OnMediaEnded(object sender, EventArgs e)
{
if (VideoElement == null /*|| VideoElement.IsDisposed*/)
{
return;
}
VideoElement.Position = TimeSpan.Zero;
}
void OnSeekingStarted(object sender, EventArgs e)
{
}
void OnSeekingEnded(object sender, EventArgs e)
{
if (!_videoPlay)
{
return;
}
PlayMedia();
}
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
VideoElement.Stop();
}
void runtime_SkeletonFrameReady(object sender, SkeletonFrameReadyEventArgs e)
{
bool receivedData = false;
using (SkeletonFrame SFrame = e.OpenSkeletonFrame())
{
if (SFrame != null)
{
Skeleton[] FrameSkeletons = new Skeleton[SFrame.SkeletonArrayLength];
SFrame.CopySkeletonDataTo(FrameSkeletons);
skeletons = new Skeleton[SFrame.SkeletonArrayLength];
SFrame.CopySkeletonDataTo(skeletons);
// The image processing took too long. More than 2 frames behind.
receivedData = true;
}
}
if (receivedData)
{
Skeleton currentSkeleton = (from s in skeletons where s.TrackingState == SkeletonTrackingState.Tracked select s).FirstOrDefault();
if (currentSkeleton != null)
{
//取得骨架關節點 3D(X、Y、Z)座標值。
head = currentSkeleton.Joints[JointType.Head];
rightHand = currentSkeleton.Joints[JointType.HandRight];
leftHand = currentSkeleton.Joints[JointType.HandLeft];
leftShoulder = currentSkeleton.Joints[JointType.ShoulderLeft];
rightShoulder = currentSkeleton.Joints[JointType.ShoulderRight];
centerShoulder = currentSkeleton.Joints[JointType.ShoulderCenter];
leftAnkle = currentSkeleton.Joints[JointType.AnkleLeft];
rightAnkle = currentSkeleton.Joints[JointType.AnkleRight];
leftElbow = currentSkeleton.Joints[JointType.ElbowLeft];
rightElbow = currentSkeleton.Joints[JointType.ElbowRight];
leftFoot = currentSkeleton.Joints[JointType.FootLeft];
rightFoot = currentSkeleton.Joints[JointType.FootRight];
leftHip = currentSkeleton.Joints[JointType.HipLeft];
rightHip = currentSkeleton.Joints[JointType.HipRight];
centerHip = currentSkeleton.Joints[JointType.HipCenter];
leftKnee = currentSkeleton.Joints[JointType.KneeLeft];
rightKnee = currentSkeleton.Joints[JointType.KneeRight];
leftWrist = currentSkeleton.Joints[JointType.WristLeft];
rightWrist = currentSkeleton.Joints[JointType.WristRight];
spine = currentSkeleton.Joints[JointType.Spine];
//設定紅點座標
SetEllipsePosition(ellipseHead, head, false);
SetEllipsePosition(ellipseLeftHand, leftHand, false);
SetEllipsePosition(ellipseRightHand, rightHand, false);
SetEllipsePosition(ellipseLeftFoot, leftFoot, false);
SetEllipsePosition(ellipseRightFoot, rightFoot, false);
SetEllipsePosition(ellipseLeftElbow, leftElbow, false);
SetEllipsePosition(ellipseRightElbow, rightElbow, false);
SetEllipsePosition(ellipseLeftAnkle, leftAnkle, false);
SetEllipsePosition(ellipseRightAnkle, rightAnkle, false);
SetEllipsePosition(ellipseLeftWrist, leftWrist, false);
SetEllipsePosition(ellipseRightWrist, rightWrist, false);
SetEllipsePosition(ellipseLeftShoulder, leftShoulder, false);
SetEllipsePosition(ellipseRightShoulder, rightShoulder, false);
SetEllipsePosition(ellipseLeftKnee, leftKnee, false);
SetEllipsePosition(ellipseRightKnee, rightKnee, false);
SetEllipsePosition(ellipseCenterShoulder, centerShoulder, false);
SetEllipsePosition(ellipseLeftHip, leftHip, false);
SetEllipsePosition(ellipseRightHip, rightHip, false);
SetEllipsePosition(ellipseCenterHip, centerHip, false);
SetEllipsePosition(ellipseSpine, spine, false);
actiontime++;
//設定頁面標籤內容
TimesLabel.Content = times;
AllTimesLabel.Content = "5";
if (times == 0)
{
beforehour = Convert.ToInt32(DateTime.Now.ToString("hh"));
beforemin = Convert.ToInt32(DateTime.Now.ToString("mm"));
beforesec = Convert.ToInt32(DateTime.Now.ToString("ss"));
}
//當完成次數為5，改變動作與聲音
if (times == 5)
{
action++;
afterhour = Convert.ToInt32(DateTime.Now.ToString("hh"));
aftermin = Convert.ToInt32(DateTime.Now.ToString("mm"));
aftersec = Convert.ToInt32(DateTime.Now.ToString("ss"));
actiontime = (afterhour - beforehour) * 60 * 60 + (aftermin - beforemin) * 60 + (aftersec - beforesec);
HttpGet();
actiontime = 0;
wrongnumber = 0;
differece = 0;
totaldifferece = 0;
if (action <= 2)
{
changeVoice();
}
times = 0;
}
//判別單元
if (finish == 1)
{
if (AAction.handputdown(leftShoulder, leftHand, leftElbow, leftWrist, rightShoulder, rightHand, rightElbow, rightWrist))
{
finish = 0;
}
}
else if (finish == 2)
{
if (AAction.twoLeg(leftKnee, leftHip, rightKnee, rightHip))
{
finish = 0;
}
}
else if (finish == 0)
{
actionunit = unit;
actionname = action;
//判斷單元
if (unit == 1)
{
res = UAC.Unit1_Check(action, leftShoulder, rightShoulder, leftElbow, rightElbow);
second = unit_1.SecondSet();
failSecond = unit_1.failSecondSet();
loadingSet();
preTime = times;
times = unit_1.StartUnit1(action, times, centerShoulder, leftShoulder, rightShoulder, leftHand, rightHand, leftElbow, rightElbow, leftWrist, rightWrist);
}
if (unit == 2)
{
res = UAC.Unit2_Check(action, leftShoulder, rightShoulder, leftElbow, rightElbow);
second = unit_2.SecondSet();
failSecond = unit_2.failSecondSet();
loadingSet();
preTime = times;
times = unit_2.StartUnit2(action, times, centerShoulder, leftShoulder, rightShoulder, leftHand, rightHand, leftElbow, rightElbow, leftWrist, rightWrist, leftKnee, rightKnee);
}
if (unit == 3)
{
//a = UAC.Unit2_Check(action, leftShoulder, rightShoulder, leftElbow, rightElbow);
failSecond = unit_3.failSecondSet();
loadingSet();
preTime = times;
second = unit_3.SecondSet();
times = unit_3.StartUnit3(action, times, rightKnee, rightAnkle, rightHip, leftKnee, leftAnkle, leftHip);
}
if (unit == 4)
{
wrongnumber = unit_4.failSecondSet();
failSecond = unit_4.failSecondSet();
loadingSet();
preTime = times;
second = unit_4.SecondSet();
times = unit_4.StartUnit4(action, times, rightKnee, rightAnkle, rightFoot, leftKnee, leftAnkle, leftFoot);
}
if (unit == 5)
{
second = WU.SecondSet();
times = WU.StartUnit5(action, times, centerShoulder, leftShoulder, rightShoulder, leftHand, rightHand, leftElbow, rightElbow, leftWrist, rightWrist, leftKnee, rightKnee, head);
label.Content = "第" + times + "次";
}
}
//回傳次數為1000時表示已完成所有動作，重置所有變數、聲音並回歸Menu頁面
if (times == 1000)
{
times = 0;
unit = 0;
action = 0;
VideoElement.Stop();
GoodElement.Stop();
LeftNegativeElement.Stop();
LeftPositiveElement.Stop();
RightNegativeElement.Stop();
RightPositiveElement.Stop();
MessageBox.Show("恭喜您完成此單元訓練!");
this.NavigationService.Navigate(menu);
}
ResetTime();
FailMessage(res);
label.Content = "第" + times + "次";
actselect.Content = action;
if (unit != 0)
{
actioning.Content = sign.ReturnAct(unit, action);
}
}
}
}
private void btn_stop_Click(object sender, RoutedEventArgs e)
{
VideoElement.Stop(); // 控制影片停止
}