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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Diagnostics;
using System.IO;
namespace Handbrake
{
public partial class frmGenPreview : Form
{
private delegate void UpdateHandler();
Handbrake.QueryGenerator queryGen = new Handbrake.QueryGenerator();
Functions.Encode process = new Functions.Encode();
Process hbProc;
frmMain mainWindow;
public frmGenPreview(frmMain mw)
{
InitializeComponent();
this.mainWindow = mw;
cb_duration.SelectedIndex = 0;
cb_preview.SelectedIndex = 0;
}
private void btn_play_Click(object sender, EventArgs e)
{
String currently_playing;
// Get the Destination of the sample video.
currently_playing = "";
if (mainWindow.text_destination.Text != "")
currently_playing = mainWindow.text_destination.Text.Replace(".m", "_sample.m").Replace(".avi", "_sample.avi").Replace(".ogm", "_sample.ogm");
// Launch VLC and play video.
if (currently_playing != "")
{
if (File.Exists(Properties.Settings.Default.VLC_Path))
{
String args = "\"" + currently_playing + "\"";
ProcessStartInfo vlc = new ProcessStartInfo(Properties.Settings.Default.VLC_Path, args);
Process.Start(vlc);
lbl_status.Text = "VLC will now launch.";
}
else
{
MessageBox.Show("Unable to detect VLC Player. \nPlease make sure VLC is installed and the directory specified in the program options is correct.", "VLC", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
private void btn_encode_Click(object sender, EventArgs e)
{
String query = queryGen.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
{
encodingMessage();
hbProc = process.runCli(this, (string)state);
hbProc.WaitForExit();
hbProc = null;
updateUIElements();
}
}
// Update the UI now that the encode has finished.
private void encodingMessage()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new UpdateHandler(encodingMessage));
return;
}
lbl_status.Text = "Encoding, Please wait ...";
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
// Update the UI now that the encode has finished.
private void updateUIElements()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new UpdateHandler(updateUIElements));
return;
}
btn_play.Visible = true;
toolStripSeparator1.Visible = true;
lbl_status.Text = "Your sample is ready to play.";
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
}
}
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