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/* Scan.cs $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr>.
It may be used under the terms of the GNU General Public License. */
namespace Handbrake.Functions
{
using System;
using System.Diagnostics;
using System.IO;
using System.Threading;
using System.Windows.Forms;
using Parsing;
/// <summary>
/// Scan a Source
/// </summary>
public class Scan
{
/// <summary>
/// The information for this source
/// </summary>
private DVD thisDvd;
/// <summary>
/// The CLI data parser
/// </summary>
private Parser readData;
/// <summary>
/// The Process belonging to the CLI
/// </summary>
private Process hbProc;
/// <summary>
/// The Progress of the scan
/// </summary>
private string scanProgress;
/// <summary>
/// Scan has Started
/// </summary>
public event EventHandler ScanStared;
/// <summary>
/// Scan has completed
/// </summary>
public event EventHandler ScanCompleted;
/// <summary>
/// Scan process has changed to a new title
/// </summary>
public event EventHandler ScanStatusChanged;
/// <summary>
/// Gets or sets a value indicating whether IsScanning.
/// </summary>
public bool IsScanning { get; set; }
/// <summary>
/// Scan a Source Path.
/// Title 0: scan all
/// </summary>
/// <param name="sourcePath">Path to the file to scan</param>
/// <param name="title">int title number. 0 for scan all</param>
public void ScanSource(string sourcePath, int title)
{
Thread t = new Thread(unused => this.RunScan(sourcePath, title));
t.Start();
}
/// <summary>
/// Object containing the information parsed in the scan.
/// </summary>
/// <returns>The DVD object containing the scan information</returns>
public DVD SouceData()
{
return this.thisDvd;
}
/// <summary>
/// Raw log output from HandBrake CLI
/// </summary>
/// <returns>The Log Data</returns>
public string LogData()
{
return this.readData.Buffer;
}
/// <summary>
/// Progress of the scan.
/// </summary>
/// <returns>The progress of the scan</returns>
public string ScanStatus()
{
return this.scanProgress;
}
/// <summary>
/// The Scan Process
/// </summary>
/// <returns>The CLI process</returns>
public Process ScanProcess()
{
return this.hbProc;
}
/// <summary>
/// Start a scan for a given source path and title
/// </summary>
/// <param name="sourcePath">Path to the source file</param>
/// <param name="title">the title number to look at</param>
private void RunScan(object sourcePath, int title)
{
try
{
IsScanning = true;
if (this.ScanStared != null)
this.ScanStared(this, new EventArgs());
string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");
string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) +
"\\HandBrake\\logs";
string dvdInfoPath = Path.Combine(logDir, "last_scan_log.txt");
// Make we don't pick up a stale last_encode_log.txt (and that we have rights to the file)
if (File.Exists(dvdInfoPath))
File.Delete(dvdInfoPath);
string dvdnav = string.Empty;
if (Properties.Settings.Default.noDvdNav)
dvdnav = " --no-dvdnav";
this.hbProc = new Process
{
StartInfo =
{
FileName = handbrakeCLIPath,
Arguments =
String.Format(@" -i ""{0}"" -t{1} {2} -v ", sourcePath, title, dvdnav),
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
CreateNoWindow = true
}
};
this.hbProc.Start();
this.readData = new Parser(this.hbProc.StandardError.BaseStream);
this.readData.OnScanProgress += new ScanProgressEventHandler(this.OnScanProgress);
this.thisDvd = DVD.Parse(this.readData);
// Write the Buffer out to file.
StreamWriter scanLog = new StreamWriter(dvdInfoPath);
scanLog.Write(this.readData.Buffer);
scanLog.Flush();
scanLog.Close();
if (this.ScanCompleted != null)
this.ScanCompleted(this, new EventArgs());
IsScanning = false;
}
catch (Exception exc)
{
Console.WriteLine("frmMain.cs - scanProcess() " + exc);
}
}
/// <summary>
/// Fire an event when the scan process progresses
/// </summary>
/// <param name="sender">the sender</param>
/// <param name="currentTitle">the current title being scanned</param>
/// <param name="titleCount">the total number of titles</param>
private void OnScanProgress(object sender, int currentTitle, int titleCount)
{
this.scanProgress = string.Format("Processing Title: {0} of {1}", currentTitle, titleCount);
if (this.ScanStatusChanged != null)
this.ScanStatusChanged(this, new EventArgs());
}
}
}
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