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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. */
namespace HandBrake.ApplicationServices.Parsing
{
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
/// <summary>
/// An object represending an AudioTrack associated with a Title, in a DVD
/// </summary>
public class Audio
{
/// <summary>
/// Initializes a new instance of the <see cref="Audio"/> class.
/// </summary>
public Audio()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Audio"/> class.
/// </summary>
/// <param name="trackNumber">
/// The track number.
/// </param>
/// <param name="language">
/// The language.
/// </param>
/// <param name="languageCode">
/// The language code.
/// </param>
/// <param name="description">
/// The description.
/// </param>
/// <param name="format">
/// The format.
/// </param>
/// <param name="sampleRate">
/// The sample rate.
/// </param>
/// <param name="bitrate">
/// The bitrate.
/// </param>
public Audio(int trackNumber, string language, string languageCode, string description, string format, int sampleRate, int bitrate)
{
this.TrackNumber = trackNumber;
this.Language = language;
this.LanguageCode = languageCode;
this.Description = description;
this.Format = format;
this.SampleRate = sampleRate;
this.Bitrate = bitrate;
}
/// <summary>
/// Gets A Dummy Not Found Track
/// </summary>
public static Audio NoneFound
{
get
{
return new Audio { Description = "None Found" };
}
}
/// <summary>
/// Gets or sets The track number of this Audio Track
/// </summary>
public int TrackNumber { get; set; }
/// <summary>
/// Gets or sets The language (if detected) of this Audio Track
/// </summary>
public string Language { get; set; }
/// <summary>
/// Gets or sets LanguageCode.
/// </summary>
public string LanguageCode { get; set; }
/// <summary>
/// Gets or sets Description.
/// </summary>
public string Description { get; set; }
/// <summary>
/// Gets or sets The primary format of this Audio Track
/// </summary>
public string Format { get; set; }
/// <summary>
/// Gets or sets The frequency (in MHz) of this Audio Track
/// </summary>
public int SampleRate { get; set; }
/// <summary>
/// Gets or sets The bitrate (in kbps) of this Audio Track
/// </summary>
public int Bitrate { get; set; }
/// <summary>
/// Parse the CLI input to an Audio Track object
/// </summary>
/// <param name="output">
/// The output.
/// </param>
/// <returns>
/// An Audio Track obkect
/// </returns>
public static Audio Parse(StringReader output)
{
string audioTrack = output.ReadLine();
Match m = Regex.Match(audioTrack, @"^ \+ ([0-9]*), ([A-Za-z0-9,\s]*) \((.*)\) \((.*)\)");
Match track = Regex.Match(audioTrack, @"^ \+ ([0-9]*), ([A-Za-z0-9,\s]*) \((.*)\)"); // ID and Language
Match iso639_2 = Regex.Match(audioTrack, @"iso639-2: ([a-zA-Z]*)\)");
Match samplerate = Regex.Match(audioTrack, @"([0-9]*)Hz");
Match bitrate = Regex.Match(audioTrack, @"([0-9]*)bps");
string subformat = m.Groups[4].Value.Trim().Contains("iso639") ? null : m.Groups[4].Value;
string samplerateVal = samplerate.Success ? samplerate.Groups[0].Value.Replace("Hz", string.Empty).Trim() : "0";
string bitrateVal = bitrate.Success ? bitrate.Groups[0].Value.Replace("bps", string.Empty).Trim() : "0";
if (track.Success)
{
var thisTrack = new Audio
{
TrackNumber = int.Parse(track.Groups[1].Value.Trim()),
Language = track.Groups[2].Value,
Format = m.Groups[3].Value,
Description = subformat,
SampleRate = int.Parse(samplerateVal),
Bitrate = int.Parse(bitrateVal),
LanguageCode = iso639_2.Value.Replace("iso639-2: ", string.Empty).Replace(")", string.Empty)
};
return thisTrack;
}
return null;
}
/// <summary>
/// Pase a list of audio tracks
/// </summary>
/// <param name="output">
/// The output.
/// </param>
/// <returns>
/// An array of audio tracks
/// </returns>
public static Audio[] ParseList(StringReader output)
{
var tracks = new List<Audio>();
while (true)
{
Audio thisTrack = Parse(output);
if (thisTrack != null)
tracks.Add(thisTrack);
else
break;
}
return tracks.ToArray();
}
/// <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 (this.Description == NoneFound.Description)
{
return this.Description;
}
if (this.Description == null)
{
return string.Format("{0} {1} ({2})", this.TrackNumber, this.Language, this.Format);
}
return string.Format("{0} {1} ({2}) ({3})", this.TrackNumber, this.Language, this.Format, this.Description);
}
}
}
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