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/* AudioTrack.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.IO;
using System.Text.RegularExpressions;
namespace Handbrake.Parsing
{
/// <summary>
/// An object represending an AudioTrack associated with a Title, in a DVD
/// </summary>
public class AudioTrack
{
private int m_bitrate;
private string m_format;
private int m_frequency;
private string m_language;
private string m_subFormat;
private int m_trackNumber;
/// <summary>
/// The track number of this Audio Track
/// </summary>
public int TrackNumber
{
get { return m_trackNumber; }
}
/// <summary>
/// The language (if detected) of this Audio Track
/// </summary>
public string Language
{
get { return m_language; }
}
/// <summary>
/// The primary format of this Audio Track
/// </summary>
public string Format
{
get { return m_format; }
}
/// <summary>
/// Additional format info for this Audio Track
/// </summary>
public string SubFormat
{
get { return m_subFormat; }
}
/// <summary>
/// The frequency (in MHz) of this Audio Track
/// </summary>
public int Frequency
{
get { return m_frequency; }
}
/// <summary>
/// The bitrate (in kbps) of this Audio Track
/// </summary>
public int Bitrate
{
get { return m_bitrate; }
}
/// <summary>
/// Override of the ToString method to make this object easier to use in the UI
/// </summary>
/// <returns>A string formatted as: {track #} {language} ({format}) ({sub-format})</returns>
public override string ToString()
{
if (m_subFormat == null)
return string.Format("{0} {1} ({2})", m_trackNumber, m_language, m_format);
else
return string.Format("{0} {1} ({2}) ({3})", m_trackNumber, m_language, m_format, m_subFormat);
}
public static AudioTrack Parse(StringReader output)
{
String audio_track = output.ReadLine();
Match m = Regex.Match(audio_track,
@"^ \+ ([0-9]*), ([A-Za-z0-9]*) \((.*)\) \((.*)\), ([0-9]*)Hz, ([0-9]*)bps");
Match y = Regex.Match(audio_track, @"^ \+ ([0-9]*), ([A-Za-z0-9]*) \((.*)\)");
if (m.Success)
{
var thisTrack = new AudioTrack();
thisTrack.m_trackNumber = int.Parse(m.Groups[1].Value.Trim());
thisTrack.m_language = m.Groups[2].Value;
thisTrack.m_format = m.Groups[3].Value;
thisTrack.m_subFormat = m.Groups[4].Value;
thisTrack.m_frequency = int.Parse(m.Groups[5].Value.Trim());
thisTrack.m_bitrate = int.Parse(m.Groups[6].Value.Trim());
return thisTrack;
}
else if (y.Success)
{
var thisTrack = new AudioTrack();
thisTrack.m_trackNumber = int.Parse(y.Groups[1].Value.Trim());
thisTrack.m_language = y.Groups[2].Value;
thisTrack.m_format = y.Groups[3].Value;
return thisTrack;
}
else
return null;
}
public static AudioTrack[] ParseList(StringReader output)
{
var tracks = new List<AudioTrack>();
while (true)
{
AudioTrack thisTrack = Parse(output);
if (thisTrack != null)
tracks.Add(thisTrack);
else
break;
}
return tracks.ToArray();
}
}
}
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