private void SetupPlayer()
{
if (_decoder != null)
{
_decoder.Stop();
_decoder.ClearBuffer();
_decoder.Dispose();
_decoder = null;
}
string file = "";
Dispatcher.Invoke(() => file = txtFileName.Text);
_decoder = new VideoDecoder();
_decoder.Open(file);
_decoder.PlayerOutputWidth = _decoder.VideoInfo.Width;
_decoder.PlayerOutputHeight = _decoder.VideoInfo.Height;
Dispatcher.Invoke(() =>
{
sliderTime.Minimum = 0;
sliderTime.Maximum = _decoder.VideoInfo.TotalFrames - 1;
});
if (iterator == null)
{
iterator = new FrameIterator(_decoder.VideoInfo.TotalFrames,
templateView.TemplatePaths.Keys.Count,
AppSettings.Default.BurstSize
);
var startFrame = (int)Math.Round(AppSettings.Default.StartTime * _decoder.VideoInfo.FPS);
var endFrame = (int)Math.Round(AppSettings.Default.EndTime * _decoder.VideoInfo.FPS);
if (AppSettings.Default.UseRandom)
{
iterator.InitRandomSequence(
AppSettings.Default.MaxFrames,
Math.Max(0, startFrame),
Math.Min(_decoder.VideoInfo.TotalFrames, endFrame) - 1,
AppSettings.Default.UseSeed ? AppSettings.Default.Seed : (int?)null
);
}
else
{
iterator.InitLinearSequence(
AppSettings.Default.EveryNth,
Math.Max(0, startFrame),
Math.Min(_decoder.VideoInfo.TotalFrames - 1, endFrame)
);
}
}
_decoder.SeekTo(iterator.BurstBeginFrameIndex);
_decoder.Start();
_decoder.FrameDecoder.FrameBufferCapacity = 1;
_decoder.FrameDecoder.MinimumWorkingFrames = 1;
}
public void SeekTo(double percentLocation)
{
MostRecentFrameIndex = (int)(Math.Round(VD.VideoInfo.TotalFrames * percentLocation, 0));
VD.SeekTo((float)(VD.VideoInfo.Duration.TotalSeconds * percentLocation));
}
private void StartStopMarking(object sender, RoutedEventArgs e)
{
IsMarking = true;
SetupPlayer();
videoCanvas.Focus();
Thread.Sleep(50);
HideInstructions();
new Thread(() =>
{
while (IsMarking)
{
//for(var i = 0; i < 500; i++)
{
if (_decoder == null)
{
SetupPlayer();
}
lock (_decoder)
{
_decoder.Stop();
_decoder.ClearBuffer();
_decoder.SeekTo(iterator.FrameIndex);
_decoder.Start(true);
while (!_decoder.FramesInBuffer)
{
Thread.Sleep(5);
}
if (nextFrame != null)
{
nextFrame.Dispose();
}
nextFrame = _decoder.PlayNextFrame();
}
}
if (currentFrame != null)
{
currentFrame.Dispose();
}
currentFrame = nextFrame;
Dispatcher.Invoke(() =>
{
lblActivePartName.Text = TemplateView.Current.CurrentPartName;
ShowFrame(currentFrame);
GC.Collect();
});
ReadyForNextFrame = false;
while (!ReadyForNextFrame && IsMarking)
{
Thread.Sleep(5); //Wait for position data (use value < smallest inter-click interval)
}
//Store the position data
if (!FrameData.ContainsKey(currentFrame.FrameIndex))
{
FrameData[currentFrame.FrameIndex] = new Dictionary <string, System.Drawing.Point?>();
}
if (_capturedMousePosition != null)
{
FrameData[currentFrame.FrameIndex][TemplateView.Current.CurrentPartName] = _capturedMousePosition;
}
UpdateReward();
if (iterator.IsAtEndOfBurstOrSequenceOrVideo && iterator.IsAtEndOfBatch)
{
iterator.AdvanceBurst();
templateView.CurrentPartIndex = iterator.BatchPartIndex;
IsMarking = false;
ShowInstructions();
return;
}
if (iterator.IsAtEndOfBurstOrSequenceOrVideo)
{
iterator.AdvanceBurst();
templateView.CurrentPartIndex = iterator.BatchPartIndex;
SetupPlayer(); //Rewind to first frame
IsMarking = false;
ShowInstructions();
return;
}
iterator.AdvanceBurst();
Thread.Sleep(10);
}
}).Start();
}
