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using System;
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using System.IO;
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using System.Runtime.InteropServices.WindowsRuntime;
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using System.Text.RegularExpressions;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Common.Instrumentation;
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using NzbDrone.Core.MediaFiles;
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using NzbDrone.Core.Qualities;
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namespace NzbDrone.Core.Parser
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{
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public class QualityParser
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{
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private static readonly Logger Logger = NzbDroneLogger.GetLogger(typeof(QualityParser));
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private static readonly Regex SourceRegex = new Regex(@"\b(?:
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(?<bluray>BluRay|Blu-Ray|HDDVD|BD)|
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(?<webdl>WEB[-_. ]DL|WEBDL|WebRip|iTunesHD|WebHD|[. ]WEB[. ](?:[xh]26[45]|DD5[. ]1)|\d+0p[. ]WEB[. ])|
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(?<hdtv>HDTV)|
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(?<bdrip>BDRip)|
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(?<brrip>BRRip)|
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(?<dvd>DVD|DVDRip|NTSC|PAL|xvidvd)|
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(?<dsr>WS[-_. ]DSR|DSR)|
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(?<pdtv>PDTV)|
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(?<sdtv>SDTV)|
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(?<tvrip>TVRip)
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)\b",
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RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
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private static readonly Regex RawHDRegex = new Regex(@"\b(?<rawhd>RawHD|1080i[-_. ]HDTV|Raw[-_. ]HD|MPEG[-_. ]?2)\b",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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private static readonly Regex ProperRegex = new Regex(@"\b(?<proper>proper|repack|rerip)\b",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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private static readonly Regex VersionRegex = new Regex(@"\dv(?<version>\d)\b|\[v(?<version>\d)\]",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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private static readonly Regex RealRegex = new Regex(@"\b(?<real>REAL)\b",
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RegexOptions.Compiled);
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private static readonly Regex BitRateRegex = new Regex(@"\b(?:(?<B096>96[ ]?kbps|96|[\[\(].*96.*[\]\)])|
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(?<B128>128[ ]?kbps|128|[\[\(].*128.*[\]\)])|
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(?<B160>160[ ]?kbps|160|[\[\(].*160.*[\]\)]|q5)|
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(?<B192>192[ ]?kbps|192|[\[\(].*192.*[\]\)]|q6)|
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(?<B224>224[ ]?kbps|224|[\[\(].*224.*[\]\)]|q7)|
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(?<B256>256[ ]?kbps|256|itunes\splus|[\[\(].*256.*[\]\)]|q8)|
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(?<B320>320[ ]?kbps|320|[\[\(].*320.*[\]\)]|q9)|
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(?<B500>500[ ]?kbps|500|[\[\(].*500.*[\]\)]|q10)|
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(?<VBRV0>V0[ ]?kbps|V0|[\[\(].*V0.*[\]\)])|
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(?<VBRV2>V2[ ]?kbps|V2|[\[\(].*V2.*[\]\)]))\b",
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RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
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private static readonly Regex SampleSizeRegex = new Regex(@"\b(?:(?<S24>24[ ]bit|24bit|[\[\(].*24bit.*[\]\)]))");
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private static readonly Regex CodecRegex = new Regex(@"\b(?:(?<MP3VBR>MP3.*VBR|MPEG Version 1 Audio, Layer 3 vbr)|(?<MP3CBR>MP3|MPEG Version \d+ Audio, Layer 3)|(?<FLAC>flac)|(?<ALAC>alac)|(?<WMA>WMA\d?)|(?<WAV>WAV|PCM)|(?<AAC>M4A|AAC|mp4a)|(?<OGG>OGG|Vorbis))\b",
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RegexOptions.Compiled | RegexOptions.IgnoreCase);
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public static QualityModel ParseQuality(string name, string desc, int fileBitrate, int fileSampleSize = 0)
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{
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Logger.Debug("Trying to parse quality for {0}", name);
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var normalizedName = name.Replace('_', ' ').Trim().ToLower();
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var result = ParseQualityModifiers(name, normalizedName);
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if (desc.IsNotNullOrWhiteSpace())
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{
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var descCodec = ParseCodec(desc);
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result.Quality = FindQuality(descCodec, fileBitrate, fileSampleSize);
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if (result.Quality != Quality.Unknown) { return result; }
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}
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var codec = ParseCodec(normalizedName);
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var bitrate = ParseBitRate(normalizedName);
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var sampleSize = ParseSampleSize(normalizedName);
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switch(codec)
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{
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case Codec.MP3VBR:
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if (bitrate == BitRate.VBRV0) { result.Quality = Quality.MP3_VBR; }
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else if (bitrate == BitRate.VBRV2) { result.Quality = Quality.MP3_VBR_V2; }
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else { result.Quality = Quality.Unknown; }
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break;
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case Codec.MP3CBR:
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if (bitrate == BitRate.B096) { result.Quality = Quality.MP3_096; }
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else if (bitrate == BitRate.B128) { result.Quality = Quality.MP3_128; }
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else if (bitrate == BitRate.B160) { result.Quality = Quality.MP3_160; }
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else if (bitrate == BitRate.B192) { result.Quality = Quality.MP3_192; }
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else if (bitrate == BitRate.B256) { result.Quality = Quality.MP3_256; }
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else if (bitrate == BitRate.B320) { result.Quality = Quality.MP3_320; }
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else { result.Quality = Quality.Unknown; }
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break;
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case Codec.FLAC:
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if (sampleSize == SampleSize.S24) {result.Quality = Quality.FLAC_24;}
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else {result.Quality = Quality.FLAC;}
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break;
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case Codec.ALAC:
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result.Quality = Quality.ALAC;
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break;
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case Codec.WMA:
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result.Quality = Quality.WMA;
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break;
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case Codec.WAV:
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result.Quality = Quality.WAV;
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break;
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case Codec.AAC:
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if (bitrate == BitRate.B192) { result.Quality = Quality.AAC_192; }
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else if (bitrate == BitRate.B256) { result.Quality = Quality.AAC_256; }
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else if (bitrate == BitRate.B320) { result.Quality = Quality.AAC_320; }
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else { result.Quality = Quality.AAC_VBR; }
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break;
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case Codec.AACVBR:
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result.Quality = Quality.AAC_VBR;
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break;
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case Codec.OGG:
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if (bitrate == BitRate.B160) { result.Quality = Quality.VORBIS_Q5; }
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else if (bitrate == BitRate.B192) { result.Quality = Quality.VORBIS_Q6; }
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else if (bitrate == BitRate.B224) { result.Quality = Quality.VORBIS_Q7; }
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else if (bitrate == BitRate.B256) { result.Quality = Quality.VORBIS_Q8; }
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else if (bitrate == BitRate.B320) { result.Quality = Quality.VORBIS_Q9; }
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else if (bitrate == BitRate.B500) { result.Quality = Quality.VORBIS_Q10; }
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else { result.Quality = Quality.Unknown; }
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break;
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case Codec.Unknown:
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if (bitrate == BitRate.B192) { result.Quality = Quality.MP3_192; }
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else if (bitrate == BitRate.B256) { result.Quality = Quality.MP3_256; }
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else if (bitrate == BitRate.B320) { result.Quality = Quality.MP3_320; }
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else if (bitrate == BitRate.VBR) { result.Quality = Quality.MP3_VBR_V2; }
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else { result.Quality = Quality.Unknown; }
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break;
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default:
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result.Quality = Quality.Unknown;
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break;
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}
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//Based on extension
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if (result.Quality == Quality.Unknown && !name.ContainsInvalidPathChars())
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{
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try
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{
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result.Quality = MediaFileExtensions.GetQualityForExtension(Path.GetExtension(name));
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result.QualitySource = QualitySource.Extension;
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}
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catch (ArgumentException)
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{
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//Swallow exception for cases where string contains illegal
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//path characters.
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}
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}
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return result;
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}
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private static Codec ParseCodec(string name)
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{
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var match = CodecRegex.Match(name);
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if (!match.Success) { return Codec.Unknown; }
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if (match.Groups["FLAC"].Success) { return Codec.FLAC; }
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if (match.Groups["ALAC"].Success) { return Codec.ALAC; }
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if (match.Groups["WMA"].Success) { return Codec.WMA; }
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if (match.Groups["WAV"].Success) { return Codec.WAV; }
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if (match.Groups["AAC"].Success) { return Codec.AAC; }
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if (match.Groups["OGG"].Success) { return Codec.OGG; }
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if (match.Groups["MP3VBR"].Success) { return Codec.MP3VBR; }
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if (match.Groups["MP3CBR"].Success) { return Codec.MP3CBR; }
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return Codec.Unknown;
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}
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private static BitRate ParseBitRate(string name)
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{
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//var nameWithNoSpaces = Regex.Replace(name, @"\s+", "");
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var match = BitRateRegex.Match(name);
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if (!match.Success) return BitRate.Unknown;
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if (match.Groups["B096"].Success) { return BitRate.B096; }
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if (match.Groups["B128"].Success) { return BitRate.B128; }
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if (match.Groups["B160"].Success) { return BitRate.B160; }
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if (match.Groups["B192"].Success) { return BitRate.B192; }
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if (match.Groups["B224"].Success) { return BitRate.B224; }
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if (match.Groups["B256"].Success) { return BitRate.B256; }
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if (match.Groups["B320"].Success) { return BitRate.B320; }
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if (match.Groups["B500"].Success) { return BitRate.B500; }
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if (match.Groups["VBR"].Success) { return BitRate.VBR; }
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if (match.Groups["VBRV0"].Success) { return BitRate.VBRV0; }
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if (match.Groups["VBRV2"].Success) { return BitRate.VBRV2; }
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return BitRate.Unknown;
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}
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private static SampleSize ParseSampleSize(string name)
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{
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var match = SampleSizeRegex.Match(name);
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if (!match.Success) { return SampleSize.Unknown; }
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if (match.Groups["S24"].Success) { return SampleSize.S24; }
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return SampleSize.Unknown;
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}
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private static Quality FindQuality(Codec codec, int bitrate, int sampleSize = 0)
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{
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switch (codec)
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{
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case Codec.MP3VBR:
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return Quality.MP3_VBR;
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case Codec.MP3CBR:
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if (bitrate == 8) { return Quality.MP3_008; }
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if (bitrate == 16) { return Quality.MP3_016; }
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if (bitrate == 24) { return Quality.MP3_024; }
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if (bitrate == 32) { return Quality.MP3_032; }
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if (bitrate == 40) { return Quality.MP3_040; }
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if (bitrate == 48) { return Quality.MP3_048; }
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if (bitrate == 56) { return Quality.MP3_056; }
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if (bitrate == 64) { return Quality.MP3_064; }
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if (bitrate == 80) { return Quality.MP3_080; }
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if (bitrate == 96) { return Quality.MP3_096; }
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if (bitrate == 112) { return Quality.MP3_112; }
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if (bitrate == 128) { return Quality.MP3_128; }
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if (bitrate == 160) { return Quality.MP3_160; }
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if (bitrate == 192) { return Quality.MP3_192; }
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if (bitrate == 224) { return Quality.MP3_224; }
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if (bitrate == 256) { return Quality.MP3_256; }
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if (bitrate == 320) { return Quality.MP3_320; }
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return Quality.Unknown;
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case Codec.FLAC:
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if (sampleSize == 24) {return Quality.FLAC_24;}
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return Quality.FLAC;
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case Codec.ALAC:
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return Quality.ALAC;
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case Codec.WMA:
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return Quality.WMA;
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case Codec.WAV:
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return Quality.WAV;
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case Codec.AAC:
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if (bitrate == 192) { return Quality.AAC_192; }
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if (bitrate == 256) { return Quality.AAC_256; }
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if (bitrate == 320) { return Quality.AAC_320; }
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return Quality.AAC_VBR;
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case Codec.OGG:
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if (bitrate == 160) { return Quality.VORBIS_Q5; }
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if (bitrate == 192) { return Quality.VORBIS_Q6; }
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if (bitrate == 224) { return Quality.VORBIS_Q7; }
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if (bitrate == 256) { return Quality.VORBIS_Q8; }
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if (bitrate == 320) { return Quality.VORBIS_Q9; }
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if (bitrate == 500) { return Quality.VORBIS_Q10; }
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return Quality.Unknown;
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default:
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return Quality.Unknown;
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}
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}
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private static QualityModel ParseQualityModifiers(string name, string normalizedName)
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{
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var result = new QualityModel { Quality = Quality.Unknown };
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if (ProperRegex.IsMatch(normalizedName))
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{
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result.Revision.Version = 2;
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}
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Match versionRegexResult = VersionRegex.Match(normalizedName);
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if (versionRegexResult.Success)
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{
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result.Revision.Version = Convert.ToInt32(versionRegexResult.Groups["version"].Value);
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}
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//TODO: re-enable this when we have a reliable way to determine real
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//TODO: Only treat it as a real if it comes AFTER the season/epsiode number
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MatchCollection realRegexResult = RealRegex.Matches(name);
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if (realRegexResult.Count > 0)
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{
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result.Revision.Real = realRegexResult.Count;
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}
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return result;
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}
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}
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public enum Codec
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{
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MP3CBR,
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MP3VBR,
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FLAC,
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ALAC,
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WMA,
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AAC,
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AACVBR,
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OGG,
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WAV,
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Unknown,
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}
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public enum BitRate
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{
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B096,
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B128,
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B160,
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B192,
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B224,
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B256,
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B320,
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B500,
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VBR,
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VBRV0,
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VBRV2,
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Unknown,
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}
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public enum SampleSize
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{
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S24,
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Unknown
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}
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}
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