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using System;
using System.Windows.Forms;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
using QTOLibrary;
namespace Handbrake
{
public partial class frmPreview : Form
{
QueryGenerator hb_common_func = new QueryGenerator();
Functions.Encode process = new Functions.Encode();
private delegate void UpdateUIHandler();
String currently_playing = "";
frmMain mainWindow;
private Process hbProc;
private Thread player;
public frmPreview(frmMain mw)
{
InitializeComponent();
this.mainWindow = mw;
cb_preview.SelectedIndex = 0;
cb_duration.SelectedIndex = 1;
}
private void play()
{
player = new Thread(OpenMovie) {IsBackground = true};
player.Start();
}
[STAThread]
private void OpenMovie()
{
try
{
if (InvokeRequired)
{
BeginInvoke(new UpdateUIHandler(OpenMovie));
return;
}
QTControl.URL = currently_playing;
QTControl.Width = QTControl.Movie.Width;
QTControl.Height = QTControl.Movie.Height;
// The initial control size is 64,64. If we do not reload the clip here
// it'll scale the video from 64,64.
// Unsure why as it correctly resizes the control to the movies actual size.
QTControl.URL = currently_playing;
QTControl.SetScale(0);
QTControl.Show();
this.Width = QTControl.Width + 5;
this.Height = QTControl.Height + 90;
}
catch (COMException ex)
{
QTUtils qtu = new QTUtils();
MessageBox.Show("Unable to open movie:\n\nError Code: " + ex.ErrorCode.ToString("X") + "\nQT Error code : " + qtu.QTErrorFromErrorCode(ex.ErrorCode));
}
catch (Exception ex)
{
MessageBox.Show("Unable to open movie:\n\n" + ex);
}
}
#region Encode Sample
private void btn_encode_Click(object sender, EventArgs e)
{
btn_encode.Enabled = false;
lbl_encode.Text = "Encoding Sample ...";
String query = hb_common_func.GeneratePreviewQuery(mainWindow, cb_duration.Text, cb_preview.Text);
ThreadPool.QueueUserWorkItem(procMonitor, query);
}
private void procMonitor(object state)
{
// Make sure we are not already encoding and if we are then display an error.
if (hbProc != null)
MessageBox.Show("Handbrake is already encoding a video!", "Status", MessageBoxButtons.OK, MessageBoxIcon.Warning);
else
{
hbProc = process.runCli(this, (string)state);
hbProc.WaitForExit();
hbProc = null;
encodeCompleted();
}
}
private void encodeCompleted()
{
try
{
if (InvokeRequired)
{
BeginInvoke(new UpdateUIHandler(encodeCompleted));
return;
}
btn_encode.Enabled = true;
lbl_encode.Text = "Loading Clip ...";
if (mainWindow.text_destination.Text != "")
currently_playing = mainWindow.text_destination.Text.Replace(".m", "_sample.m").Replace(".avi", "_sample.avi").Replace(".ogm", "_sample.ogm");
play();
lbl_encode.Text = "";
}
catch (Exception exc)
{
MessageBox.Show("frmPreview.cs encodeCompleted " + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#endregion
}
}
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