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/* Title.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. */
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Text.RegularExpressions;
namespace Handbrake.Parsing
{
/// <summary>
/// An object that represents a single Title of a DVD
/// </summary>
public class Title
{
private static readonly CultureInfo Culture = new CultureInfo("en-US", false);
private readonly List<AudioTrack> m_audioTracks;
private readonly List<Chapter> m_chapters;
private readonly List<Subtitle> m_subtitles;
private float m_aspectRatio;
private int[] m_autoCrop;
private TimeSpan m_duration;
private Size m_resolution;
private int m_titleNumber;
/// <summary>
/// The constructor for this object
/// </summary>
public Title()
{
m_audioTracks = new List<AudioTrack>();
m_chapters = new List<Chapter>();
m_subtitles = new List<Subtitle>();
}
/// <summary>
/// Collection of chapters in this Title
/// </summary>
public List<Chapter> Chapters
{
get { return m_chapters; }
}
/// <summary>
/// Collection of audio tracks associated with this Title
/// </summary>
public List<AudioTrack> AudioTracks
{
get { return m_audioTracks; }
}
/// <summary>
/// Collection of subtitles associated with this Title
/// </summary>
public List<Subtitle> Subtitles
{
get { return m_subtitles; }
}
/// <summary>
/// The track number of this Title
/// </summary>
public int TitleNumber
{
get { return m_titleNumber; }
}
/// <summary>
/// The length in time of this Title
/// </summary>
public TimeSpan Duration
{
get { return m_duration; }
}
/// <summary>
/// The resolution (width/height) of this Title
/// </summary>
public Size Resolution
{
get { return m_resolution; }
}
/// <summary>
/// The aspect ratio of this Title
/// </summary>
public float AspectRatio
{
get { return m_aspectRatio; }
}
/// <summary>
/// The automatically detected crop region for this Title.
/// This is an int array with 4 items in it as so:
/// 0:
/// 1:
/// 2:
/// 3:
/// </summary>
public int[] AutoCropDimensions
{
get { return m_autoCrop; }
}
/// <summary>
/// Override of the ToString method to provide an easy way to use this object in the UI
/// </summary>
/// <returns>A string representing this track in the format: {title #} (00:00:00)</returns>
public override string ToString()
{
return string.Format("{0} ({1:00}:{2:00}:{3:00})", m_titleNumber, m_duration.Hours,
m_duration.Minutes, m_duration.Seconds);
}
public static Title Parse(StringReader output)
{
var thisTitle = new Title();
Match m = Regex.Match(output.ReadLine(), @"^\+ title ([0-9]*):");
// Match track number for this title
if (m.Success)
thisTitle.m_titleNumber = int.Parse(m.Groups[1].Value.Trim());
output.ReadLine();
// Get duration for this title
m = Regex.Match(output.ReadLine(), @"^ \+ duration: ([0-9]{2}:[0-9]{2}:[0-9]{2})");
if (m.Success)
thisTitle.m_duration = TimeSpan.Parse(m.Groups[1].Value);
// Get resolution, aspect ratio and FPS for this title
m = Regex.Match(output.ReadLine(),
@"^ \+ size: ([0-9]*)x([0-9]*), aspect: ([0-9]*\.[0-9]*), ([0-9]*\.[0-9]*) fps");
if (m.Success)
{
thisTitle.m_resolution = new Size(int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value));
thisTitle.m_aspectRatio = float.Parse(m.Groups[3].Value, Culture);
}
// Get autocrop region for this title
m = Regex.Match(output.ReadLine(), @"^ \+ autocrop: ([0-9]*)/([0-9]*)/([0-9]*)/([0-9]*)");
if (m.Success)
thisTitle.m_autoCrop = new int[]
{
int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value),
int.Parse(m.Groups[3].Value), int.Parse(m.Groups[4].Value)
};
thisTitle.m_chapters.AddRange(Chapter.ParseList(output));
thisTitle.m_audioTracks.AddRange(AudioTrack.ParseList(output));
thisTitle.m_subtitles.AddRange(Subtitle.ParseList(output));
return thisTitle;
}
public static Title[] ParseList(string output)
{
var titles = new List<Title>();
var sr = new StringReader(output);
while (sr.Peek() == '+' || sr.Peek() == ' ')
{
// If the the character is a space, then chances are the line
if (sr.Peek() == ' ') // If the character is a space, then chances are it's the combing detected line.
sr.ReadLine(); // Skip over it
else
titles.Add(Parse(sr));
}
return titles.ToArray();
}
}
}
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