private void SetPreviewField(MediaFile.FrameField field)
{
if (field != null)
{
if (edgeMapToolStripMenuItem.Checked)
{
var yFloatData = field.YData.GetFloatData();
var edgeData = ImageProcessing.ImageProcessor.GenerateEdgeDetectedImage(yFloatData);
var edgeImage = edgeData.ToBitmap();
pictureBoxPreview.Image = edgeImage;
}
else if (edgeMapStdDev5SecsToolStripMenuItem.Checked)
{
}
else
{
pictureBoxPreview.Image = field.Image;
}
//if (field.Image != null)
// field.Image.Save(@"D:\temp\image-" + field.FieldNumber.ToString("00000") + ".png", System.Drawing.Imaging.ImageFormat.Png);
var seconds = TimeSpan.FromSeconds(field.Seconds);
string frameType = "";
if (field.AVFrame.pict_type != SharpFFmpeg.FFmpeg.AVPictureType.AV_PICTURE_TYPE_NONE)
{
var pictType = field.AVFrame.pict_type.ToString();
frameType = "[" + pictType.Substring(pictType.LastIndexOf('_') + 1) + "] ";
}
labelCurrentPosition.Text = "Current position: " + seconds.ToString(@"h\:mm\:ss\.fff") + " " + frameType + field.FieldNumber.ToString();
timelineUserControl1.FieldNumber = field.FieldNumber;
graphsUserControl1.FieldNumber = field.FieldNumber;
_currentFieldIndex = field.FieldNumber;
}
else
{
pictureBoxPreview.Image = null;
labelCurrentPosition.Text = "";
}
UpdateButtons();
}
private void button3_Click(object sender, EventArgs e)
{
object updateFieldLock = new object();
MediaFile.FrameField updateField = null;
long updateFieldElapsed = 0L;
int updateFieldCount = 0;
var updateTimer = new System.Windows.Forms.Timer();
updateTimer.Interval = 20;
updateTimer.Tick += new EventHandler((sender2, e2) =>
{
MediaFile.FrameField field;
double elapsed;
int fieldNumber;
lock (updateFieldLock)
{
field = updateField;
elapsed = updateFieldElapsed;
fieldNumber = updateFieldCount;
}
if (field != null)
{
//SetPreviewFrame(frame);
pictureBoxPreview.Image = field.Image;
if (elapsed > 0.0)
{
var fps = 1000.0 * fieldNumber / elapsed;
labelCurrentPosition.Text = fps.ToString("0.00");
}
}
});
updateTimer.Start();
RunOnBackgroundThread(() =>
{
var stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
for (int i = 0; (i < _videoFile.TotalFields); i += 1)
{
var field = _videoFile.GetVideoFrameField(i);
lock (updateFieldLock)
{
updateField = field;
updateFieldElapsed = stopwatch.ElapsedMilliseconds;
updateFieldCount = i + 1;
}
if (updateFieldElapsed > 5000)
{
break;
}
}
this.Invoke(new Action(() =>
{
updateTimer.Stop();
updateTimer.Dispose();
}));
});
}