public void PlayFile()
{
MLVReader reader = null;
Graphics picGraph = null;
int lastFrameNumber = 1;
string suffix = FileName.ToLower().Substring(FileName.Length - 4, 2);
try
{
if (suffix == ".m")
{
reader = new MLVReader(FileName, Handler.BlockHandler);
}
else
{
reader = new RAWReader(FileName, Handler.BlockHandler);
}
}
catch (ArgumentException)
{
MessageBox.Show("Failed to load file");
PlayThread = null;
return;
}
Invoke(new Action(() =>
{
trackBarPosition.Minimum = 1;
trackBarPosition.Maximum = 1;
trackBarPosition.Value = 1;
}));
try
{
while (true)
{
while (reader.ReadBlock())
{
if (Handler.FileHeader.videoClass != 0x01)
{
MessageBox.Show("This video has an unsupported format (" + Handler.FileHeader.videoClass + ")");
reader.Close();
return;
}
ForceReread = false;
/* create info string */
string metaData = CreateMetaData();
if (Handler.FrameUpdated)
{
Invoke(new Action(() =>
{
try
{
txtInfo.Text = metaData.ToString();
trackBarPosition.Maximum = (int)reader.HighestVideoFrameNumber + 1;
FramePositionWarning = "";
if (trackBarPosition.Value == lastFrameNumber)
{
trackBarPosition.Value = (int)Math.Min(trackBarPosition.Maximum, Handler.VidfHeader.frameNumber + 1);
}
else
{
int block = reader.GetVideoFrameBlockNumber((uint)trackBarPosition.Value - 1);
if (block >= 0)
{
reader.CurrentBlockNumber = (int)block;
}
else
{
FramePositionWarning = " | This particular frame is not part of the footage. Maybe some chunks missing?";
}
}
lastFrameNumber = (int)Handler.VidfHeader.frameNumber + 1;
Bitmap frame = Handler.CurrentFrame;
string advText = "File: '" + reader.FileNames[reader.FileNum] + "' Offset: 0x" + reader.FilePos.ToString("X8") + " FrameSpace: 0x" + (Handler.VidfHeader.frameSpace-Handler.RawFixOffset).ToString("X4");
lblPosition.Text = "Current position: " + (Handler.VidfHeader.frameNumber + 1) + "/" + (reader.TotalVideoFrameCount) + FramePositionWarning;
lblPosition.Text += " | " + advText;
/* update picturebox - this is very slow and inefficient */
if (frame != null)
{
if (pictureBox.Image == null || pictureBox.Image.Size != frame.Size)
{
if (picGraph != null)
{
picGraph.Dispose();
}
Bitmap bmp = new Bitmap(frame);
picGraph = Graphics.FromImage(bmp);
pictureBox.Image = bmp;
}
picGraph.DrawImage(frame, 0, 0, frame.Size.Width, Handler.CurrentFrame.Size.Height);
pictureBox.Refresh();
}
}
catch (Exception e)
{
MessageBox.Show("Exception: " + e);
}
}));
}
if (Paused && reader.LastType == "VIDF")
{
while (Paused)
{
bool reread = false;
Thread.Sleep(100);
Invoke(new Action(() =>
{
try
{
if (trackBarPosition.Value != lastFrameNumber || ForceReread)
{
int block = reader.GetVideoFrameBlockNumber((uint)trackBarPosition.Value - 1);
if (block >= 0)
{
reader.CurrentBlockNumber = (int)block;
}
reread = true;
}
}
catch (Exception e)
{
MessageBox.Show("Exception: " + e);
}
}));
if (reread)
{
break;
}
}
}
else
{
if (reader.CurrentBlockNumber < reader.MaxBlockNumber - 1)
{
reader.CurrentBlockNumber++;
}
else
{
reader.CurrentBlockNumber = 0;
Invoke(new Action(() =>
{
trackBarPosition.Value = (int)Math.Min(trackBarPosition.Maximum, Handler.VidfHeader.frameNumber + 1);
}));
}
}
}
}
}
catch (ThreadAbortException ex)
{
reader.Close();
throw ex;
}
}
public void PlayFile()
{
MLVReader reader = null;
Graphics picGraph = null;
int lastFrameNumber = 1;
string suffix = FileName.ToLower().Substring(FileName.Length - 4, 2);
try
{
if (suffix == ".m")
{
reader = new MLVReader(FileName, Handler.BlockHandler);
}
else
{
reader = new RAWReader(FileName, Handler.BlockHandler);
}
}
catch (ArgumentException)
{
MessageBox.Show("Failed to load file");
PlayThread = null;
return;
}
Invoke(new Action(() =>
{
trackBarPosition.Minimum = 1;
trackBarPosition.Maximum = 1;
trackBarPosition.Value = 1;
}));
try
{
while (true)
{
while (reader.ReadBlock())
{
if (Handler.FileHeader.videoClass != 0x01)
{
MessageBox.Show("This video has an unsupported format (" + Handler.FileHeader.videoClass + ")");
reader.Close();
return;
}
ForceReread = false;
/* create info string */
string metaData = CreateMetaData();
if (Handler.FrameUpdated)
{
Invoke(new Action(() =>
{
try
{
txtInfo.Text = metaData.ToString();
trackBarPosition.Maximum = (int)reader.HighestVideoFrameNumber + 1;
FramePositionWarning = "";
if (trackBarPosition.Value == lastFrameNumber)
{
trackBarPosition.Value = (int)Math.Min(trackBarPosition.Maximum, Handler.VidfHeader.frameNumber + 1);
}
else
{
int block = reader.GetVideoFrameBlockNumber((uint)trackBarPosition.Value - 1);
if (block >= 0)
{
reader.CurrentBlockNumber = (int)block;
}
else
{
FramePositionWarning = " | This particular frame is not part of the footage. Maybe some chunks missing?";
}
}
lastFrameNumber = (int)Handler.VidfHeader.frameNumber + 1;
Bitmap frame = Handler.CurrentFrame;
string advText = "File: '" + reader.FileNames[reader.FileNum] + "' Offset: 0x" + reader.FilePos.ToString("X8") + " FrameSpace: 0x" + (Handler.VidfHeader.frameSpace - Handler.RawFixOffset).ToString("X4");
lblPosition.Text = "Current position: " + (Handler.VidfHeader.frameNumber + 1) + "/" + (reader.TotalVideoFrameCount) + FramePositionWarning;
lblPosition.Text += " | " + advText;
/* update picturebox - this is very slow and inefficient */
if (frame != null)
{
if (pictureBox.Image == null || pictureBox.Image.Size != frame.Size)
{
if (picGraph != null)
{
picGraph.Dispose();
}
Bitmap bmp = new Bitmap(frame);
picGraph = Graphics.FromImage(bmp);
pictureBox.Image = bmp;
}
picGraph.DrawImage(frame, 0, 0, frame.Size.Width, Handler.CurrentFrame.Size.Height);
pictureBox.Refresh();
}
}
catch (Exception e)
{
MessageBox.Show("Exception: " + e);
}
}));
}
if (Paused && reader.LastType == "VIDF")
{
while (Paused)
{
bool reread = false;
Thread.Sleep(100);
Invoke(new Action(() =>
{
try
{
if (trackBarPosition.Value != lastFrameNumber || ForceReread)
{
int block = reader.GetVideoFrameBlockNumber((uint)trackBarPosition.Value - 1);
if (block >= 0)
{
reader.CurrentBlockNumber = (int)block;
}
reread = true;
}
}
catch (Exception e)
{
MessageBox.Show("Exception: " + e);
}
}));
if (reread)
{
break;
}
}
}
else
{
if (reader.CurrentBlockNumber < reader.MaxBlockNumber - 1)
{
reader.CurrentBlockNumber++;
}
else
{
reader.CurrentBlockNumber = 0;
Invoke(new Action(() =>
{
trackBarPosition.Value = (int)Math.Min(trackBarPosition.Maximum, Handler.VidfHeader.frameNumber + 1);
}));
}
}
}
}
}
catch (ThreadAbortException ex)
{
reader.Close();
throw ex;
}
}
private void DisplayFunc()
{
Graphics picGraph = null;
Handler.UseCorrectionMatrices = false;
Handler.SelectDebayer(2);
string suffix = FileInfo.Extension.ToLower().Substring(0, 2);
try
{
if (suffix == ".m")
{
Reader = new MLVReader(FileInfo.FullName, Handler.BlockHandler);
}
else
{
Reader = new RAWReader(FileInfo.FullName, Handler.BlockHandler);
}
}
catch (ArgumentException)
{
SetText("Load failed");
DisplayThread = null;
return;
}
try
{
while (true)
{
while (Reader.ReadBlock())
{
if (Handler.FileHeader.videoClass != 0x01)
{
SetText("Not supported");
Reader.Close();
DisplayThread = null;
return;
}
UpdateMetadata();
if (Handler.FrameUpdated)
{
try
{
Invoke(new Action(() =>
{
try
{
Bitmap frame = Handler.CurrentFrame;
/* update picturebox - this is very slow and inefficient */
if (frame != null)
{
if (pictureBox.Image == null || pictureBox.Image.Size != frame.Size)
{
if (picGraph != null)
{
picGraph.Dispose();
}
Bitmap bmp = new Bitmap(frame);
picGraph = Graphics.FromImage(bmp);
pictureBox.Image = bmp;
}
picGraph.DrawImage(frame, 0, 0, frame.Size.Width, Handler.CurrentFrame.Size.Height);
pictureBox.Refresh();
}
textLabel.Text = FileInfo.Name + Environment.NewLine + "(Frame " + (Handler.VidfHeader.frameNumber + 1) + "/" + (Reader.HighestVideoFrameNumber + 1) + ")";
if (Reader.FrameErrors > 0)
{
textLabel.BackColor = Color.Red;
textLabel.Text += " (Errors)";
if (Reader.FrameMissingErrors > 0)
{
SetMetadata("Error: Missing frames", Reader.FrameMissingErrors + " frame IDs are missing in the MLV. If this is a multi-chunk video, make sure you have all chunks in the same place.");
}
if(Reader.FrameRedundantErrors > 0)
{
SetMetadata("Error: Redundant frames", Reader.FrameRedundantErrors + " frames with same ID appeared more than once in the MLV. Report please.");
}
}
}
catch (Exception e)
{
SetText(e);
}
}));
}
catch (Exception ex)
{
}
/* videos that are not selected, run very slowly */
if (!Selected)
{
Thread.Sleep(1000);
}
if (SingleStep)
{
SingleStep = false;
Paused = true;
}
/* dont break when there was no preview frame processed yet */
while (Paused && pictureBox.Image != null)
{
Thread.Sleep(50);
}
}
if (Reader.CurrentBlockNumber < Reader.MaxBlockNumber - 1)
{
Reader.CurrentBlockNumber++;
}
else
{
if (pictureBox.Image == null)
{
SetText("Contains no video");
DisplayThread = null;
return;
}
Reader.CurrentBlockNumber = 0;
}
if (NextBlockNumber >= 0)
{
Reader.CurrentBlockNumber = NextBlockNumber;
NextBlockNumber = -1;
}
}
}
}
catch (ThreadAbortException ex)
{
Reader.Close();
throw ex;
}
catch (IOException ex)
{
SetText(ex);
return;
}
catch (Exception ex)
{
SetText(ex);
return;
}
}
