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Lidarr/NzbDrone.Core/Parser/QualityParser.cs

186 lines
6.2 KiB

using System;
using System.IO;
using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Common;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Qualities;
using NzbDrone.Core.Tv;
namespace NzbDrone.Core.Parser
{
public class QualityParser
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly Regex SourceRegex = new Regex(@"(?<bluray>BluRay)|
(?<webdl>WEB-DL|WEBDL|WEB\sDL|WEB\-DL|WebRip)|
(?<hdtv>HDTV)|
(?<bdrip>BDRiP)|(?<brrip>BRRip)|(?<dvd>\bDVD\b|DVDRip|NTSC|PAL|xvidvd)|
(?<dsr>WS\sDSR|WS_DSR|WS\.DSR|DSR)|(?<pdtv>PDTV)|(?<sdtv>SDTV)",
RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
private static readonly Regex ResolutionRegex = new Regex(@"(?<_480p>480p)|(?<_720p>720p)|(?<_1080p>1080p)",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
private static readonly Regex CodecRegex = new Regex(@"(?<x264>x264)|(?<h264>h264)|(?<xvidhd>XvidHD)|(?<xvid>Xvid)|(?<divx>divx)",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
public static QualityModel ParseQuality(string name)
{
Logger.Trace("Trying to parse quality for {0}", name);
name = name.Trim();
var normalizedName = name.CleanSeriesTitle();
var result = new QualityModel { Quality = Quality.Unknown };
result.Proper = (normalizedName.Contains("proper") || normalizedName.Contains("repack"));
if (normalizedName.Contains("trollhd") || normalizedName.Contains("rawhd"))
{
result.Quality = Quality.RAWHD;
return result;
}
var sourceMatch = SourceRegex.Match(name);
var resolution = ParseResolution(name);
var codecRegex = CodecRegex.Match(name);
if (sourceMatch.Groups["bluray"].Success)
{
if (codecRegex.Groups["xvid"].Success || codecRegex.Groups["divx"].Success)
{
result.Quality = Quality.DVD;
return result;
}
if (resolution == Resolution._1080p)
{
result.Quality = Quality.Bluray1080p;
return result;
}
result.Quality = Quality.Bluray720p;
return result;
}
if (sourceMatch.Groups["webdl"].Success)
{
if (resolution == Resolution._1080p)
{
result.Quality = Quality.WEBDL1080p;
return result;
}
if (resolution == Resolution._720p)
{
result.Quality = Quality.WEBDL720p;
return result;
}
if (name.Contains("[WEBDL]"))
{
result.Quality = Quality.WEBDL720p;
return result;
}
result.Quality = Quality.WEBDL480p;
return result;
}
if (sourceMatch.Groups["hdtv"].Success)
{
if (resolution == Resolution._1080p)
{
result.Quality = Quality.HDTV1080p;
return result;
}
if (resolution == Resolution._720p)
{
result.Quality = Quality.HDTV720p;
return result;
}
if (name.Contains("[HDTV]"))
{
result.Quality = Quality.HDTV720p;
return result;
}
result.Quality = Quality.SDTV;
return result;
}
if (sourceMatch.Groups["dvd"].Success ||
sourceMatch.Groups["bdrip"].Success ||
sourceMatch.Groups["brrip"].Success)
{
result.Quality = Quality.DVD;
return result;
}
if (sourceMatch.Groups["pdtv"].Success ||
sourceMatch.Groups["sdtv"].Success ||
sourceMatch.Groups["dsr"].Success)
{
result.Quality = Quality.SDTV;
return result;
}
if (resolution == Resolution._1080p)
{
result.Quality = Quality.HDTV1080p;
return result;
}
if (resolution == Resolution._720p)
{
result.Quality = Quality.HDTV720p;
return result;
}
if (codecRegex.Groups["x264"].Success)
{
result.Quality = Quality.SDTV;
return result;
}
//Based on extension
if (result.Quality == Quality.Unknown && !name.ContainsInvalidPathChars())
{
try
{
result.Quality = MediaFileExtensions.GetQualityForExtension(Path.GetExtension(name));
}
catch (ArgumentException)
{
//Swallow exception for cases where string contains illegal
//path characters.
}
}
return result;
}
private static Resolution ParseResolution(string name)
{
var match = ResolutionRegex.Match(name);
if (!match.Success) return Resolution.Unknown;
if (match.Groups["_480p"].Success) return Resolution._480p;
if (match.Groups["_720p"].Success) return Resolution._720p;
if (match.Groups["_1080p"].Success) return Resolution._1080p;
return Resolution.Unknown;
}
}
public enum Resolution
{
_480p,
_720p,
_1080p,
Unknown
}
}