public void OnPrepared(MediaPlayer mp)
{
// now that the video is ready we can hide the progress bar
ProgressBar.Visibility = ViewStates.Gone;
MediaController.SetAnchorView(VideoPlayer);
// setup a seek listener
mp.SetOnSeekCompleteListener(this);
// log the series they tapped on.
MessageAnalytic.Instance.Trigger(MessageAnalytic.Watch, Name);
// if this is a new video, store the URL
if (MobileApp.Shared.Network.RockMobileUser.Instance.LastStreamingMediaUrl != MediaUrl)
{
MobileApp.Shared.Network.RockMobileUser.Instance.LastStreamingMediaUrl = MediaUrl;
VideoPlayer.Start( );
// once the video starts, if we're in landscape wide, go full screen
if (MainActivity.IsLandscapeWide( ))
{
ParentTask.NavbarFragment.ToggleFullscreen(true);
}
}
else
{
// otherwise, resume where we left off
mp.SeekTo((int)MobileApp.Shared.Network.RockMobileUser.Instance.LastStreamingMediaPos);
}
}
public void OnSeekComplete(MediaPlayer mp)
{
VideoPlayer.Start( );
// once the video starts, if we're in landscape wide, go full screen
if (MainActivity.IsLandscapeWide( ))
{
ParentTask.NavbarFragment.ToggleFullscreen(true);
}
}
/// <summary>
/// 点击开始按钮时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonStart_Click(object sender, EventArgs e)
{
#region 识别老照片
DirectoryInfo TheFolder = new DirectoryInfo(@"C:\Users\mrls\Desktop\video");
if (!TheFolder.Exists)
{
MessageBox.Show("文件夹不存在");
return;
}
var files = TheFolder.GetFiles().Where(x => ".jpg,.png,".Contains(x.Extension.ToLower() + "")).ToList();
foreach (FileInfo NextFile in files)
{
float[] oldEigenValues;
Bitmap oldImg = (Bitmap)Image.FromFile(NextFile.FullName);
var oldFaces = ViewFace.FaceDetector(oldImg);
if (oldFaces.Length > 0)
{
var oldPoints = ViewFace.FaceMark(oldImg, oldFaces[0]);
oldEigenValues = ViewFace.Extract(oldImg, oldPoints);
}
else
{
oldEigenValues = new float[0];
}
var person = new PersonInfo();
person.Name = NextFile.Name.Substring(0, NextFile.Name.IndexOf("."));
person.oldEigenValues = oldEigenValues;
personInfos.Add(person);
}
#endregion
if (VideoPlayer.IsRunning)
{
VideoPlayer.SignalToStop();
VideoPlayer.WaitForStop();
TimerDetector.Start();
ButtonStart.Text = "打开摄像头并识别人脸";
}
else
{
if (comboBox1.SelectedIndex == -1)
{
return;
}
FilterInfo info = VideoDevices[comboBox1.SelectedIndex];
VideoCaptureDevice videoCapture = new VideoCaptureDevice(info.MonikerString);
VideoPlayer.VideoSource = videoCapture;
VideoPlayer.Start();
TimerDetector.Start();
ButtonStart.Text = "关闭摄像头";
}
}
private void OpenVideoSource(IVideoSource source)
{
Cursor = Cursors.WaitCursor;
CloseVideoSource();
FPSTimer.Start();
VideoPlayer.VideoSource = new AsyncVideoSource(source);
VideoPlayer.Start();
Cursor = Cursors.Default;
}
private void pbCamera_Click(object sender, EventArgs e)
{
VideoPlayer.Stop();
if (ValidateField())
{
IsCameraMode = true;
pbPreview.Visible = false;
VideoPlayer.Visible = true;
videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
videoSource = new VideoCaptureDevice(videoDevices[InitSettings.GetCameraDeviceIndex].MonikerString);
videoSource.VideoResolution = videoSource.VideoCapabilities[InitSettings.GetCameraDeviceIndex];
VideoPlayer.VideoSource = videoSource;
VideoPlayer.Start();
}
}
public void TogglePlayback()
{
if (VideoPlayer.IsPlaying)
{
VideoPlayer.IsPaused = !VideoPlayer.IsPaused;
}
else if (!VideoRecorder.IsRecording && !VideoRecorder.IsBuffering)
{
VideoPlayer.Start(sampleBehaviour.playbackSettings);
System.TimeSpan clipTime = VideoPlayer.ClipTime;
clipTimeText.text = string.Format("{0:D2}:{1:D2}", clipTime.Minutes, clipTime.Seconds);
if (VideoPlayer.IsPlaying)
{
buttonImage.sprite = VideoPlayer.IsPaused ? playSprite : pauseSprite;
}
}
seekSlider.Interactable = VideoPlayer.IsPlaying;
}
/// <summary>
/// 点击开始按钮时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonStart_Click(object sender, EventArgs e)
{
if (VideoPlayer.IsRunning)
{
Token?.Cancel();
ButtonStart.Text = "打开摄像头并识别人脸";
}
else
{
if (comboBox1.SelectedIndex == -1)
{
return;
}
FilterInfo info = VideoDevices[comboBox1.SelectedIndex];
VideoCaptureDevice videoCapture = new VideoCaptureDevice(info.MonikerString);
VideoPlayer.VideoSource = videoCapture;
VideoPlayer.Start();
ButtonStart.Text = "关闭摄像头";
Token = new CancellationTokenSource();
StartDetector(Token.Token);
}
}
/// <summary>
/// 点击开始按钮时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonStart_Click(object sender, EventArgs e)
{
if (VideoPlayer.IsRunning)
{
VideoPlayer.SignalToStop();
VideoPlayer.WaitForStop();
TimerDetector.Start();
ButtonStart.Text = "打开摄像头并识别人脸";
}
else
{
if (comboBox1.SelectedIndex == -1)
{
return;
}
FilterInfo info = VideoDevices[comboBox1.SelectedIndex];
VideoCaptureDevice videoCapture = new VideoCaptureDevice(info.MonikerString);
VideoPlayer.VideoSource = videoCapture;
VideoPlayer.Start();
TimerDetector.Start();
ButtonStart.Text = "关闭摄像头";
}
}
static void Main(string[] args)
{
if (args.Length == 0 || !File.Exists(args[0]))
{
Console.WriteLine("Please specify a video file.");
return;
}
var videoPath = args[0];
var fileName = Path.GetFileNameWithoutExtension(videoPath);
using (var videoPlayer = new VideoPlayer())
{
videoPlayer.Init(videoPath);
var captureInterval = TimeSpan.FromSeconds(videoPlayer.Duration.TotalSeconds / (imageCount + 2d));
var captureIndex = 0;
var doneEvent = new ManualResetEvent(false);
using (var bitmap = new Bitmap(videoPlayer.VideoWidth, videoPlayer.VideoHeight))
{
videoPlayer.ImageCaptured += (time, data) =>
{
if (doneEvent.WaitOne(0))
{
return;
}
videoPlayer.Pause();
var bitmapData = bitmap.LockBits(new Rectangle(0, 0, videoPlayer.VideoWidth, videoPlayer.VideoHeight), ImageLockMode.WriteOnly, PixelFormat.Format32bppRgb);
//Marshal.Copy(data, 0, bitmapData.Scan0, videoPlayer.VideoWidth * videoPlayer.VideoHeight * 4);
unsafe
{
fixed(byte *sData = &data[0])
{
var pBitmap = (int *)bitmapData.Scan0.ToPointer();
var pData = (int *)sData + videoPlayer.VideoWidth * (videoPlayer.VideoHeight - 1);
for (int y = 0; y < videoPlayer.VideoHeight; y++)
{
for (int x = 0; x < videoPlayer.VideoWidth; x++)
{
*pBitmap++ = *pData++;
}
pData -= videoPlayer.VideoWidth * 2;
}
}
}
bitmap.UnlockBits(bitmapData);
bitmap.Save($"{fileName}-{captureIndex++:D2}.png");
if (captureIndex < imageCount)
{
videoPlayer.Position += captureInterval;
videoPlayer.Start();
}
else
{
doneEvent.Set();
}
};
videoPlayer.Position = captureInterval;
videoPlayer.Start();
doneEvent.WaitOne();
videoPlayer.Stop();
}
}
}
