546 lines
19 KiB
C#
546 lines
19 KiB
C#
#nullable disable
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#pragma warning disable CS1591
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.MediaInfo;
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namespace MediaBrowser.Model.Entities
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{
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/// <summary>
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/// Class MediaStream.
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/// </summary>
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public class MediaStream
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{
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/// <summary>
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/// Gets or sets the codec.
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/// </summary>
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/// <value>The codec.</value>
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public string Codec { get; set; }
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/// <summary>
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/// Gets or sets the codec tag.
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/// </summary>
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/// <value>The codec tag.</value>
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public string CodecTag { get; set; }
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/// <summary>
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/// Gets or sets the language.
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/// </summary>
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/// <value>The language.</value>
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public string Language { get; set; }
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/// <summary>
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/// Gets or sets the color range.
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/// </summary>
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/// <value>The color range.</value>
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public string ColorRange { get; set; }
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/// <summary>
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/// Gets or sets the color space.
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/// </summary>
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/// <value>The color space.</value>
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public string ColorSpace { get; set; }
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/// <summary>
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/// Gets or sets the color transfer.
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/// </summary>
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/// <value>The color transfer.</value>
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public string ColorTransfer { get; set; }
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/// <summary>
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/// Gets or sets the color primaries.
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/// </summary>
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/// <value>The color primaries.</value>
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public string ColorPrimaries { get; set; }
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/// <summary>
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/// Gets or sets the comment.
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/// </summary>
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/// <value>The comment.</value>
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public string Comment { get; set; }
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/// <summary>
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/// Gets or sets the time base.
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/// </summary>
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/// <value>The time base.</value>
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public string TimeBase { get; set; }
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/// <summary>
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/// Gets or sets the codec time base.
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/// </summary>
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/// <value>The codec time base.</value>
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public string CodecTimeBase { get; set; }
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/// <summary>
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/// Gets or sets the title.
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/// </summary>
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/// <value>The title.</value>
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public string Title { get; set; }
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/// <summary>
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/// Gets the video range.
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/// </summary>
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/// <value>The video range.</value>
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public string VideoRange
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{
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get
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{
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if (Type != MediaStreamType.Video)
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{
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return null;
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}
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var colorTransfer = ColorTransfer;
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if (string.Equals(colorTransfer, "smpte2084", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(colorTransfer, "arib-std-b67", StringComparison.OrdinalIgnoreCase))
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{
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return "HDR";
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}
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// For some Dolby Vision files, no color transfer is provided, so check the codec
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var codecTag = CodecTag;
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if (string.Equals(codecTag, "dva1", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(codecTag, "dvav", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(codecTag, "dvh1", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(codecTag, "dvhe", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(codecTag, "dav1", StringComparison.OrdinalIgnoreCase))
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{
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return "HDR";
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}
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return "SDR";
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}
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}
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public string LocalizedUndefined { get; set; }
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public string LocalizedDefault { get; set; }
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public string LocalizedForced { get; set; }
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public string DisplayTitle
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{
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get
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{
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switch (Type)
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{
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case MediaStreamType.Audio:
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{
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var attributes = new List<string>();
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if (!string.IsNullOrEmpty(Language))
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{
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// Get full language string i.e. eng -> English. Will not work for some languages which use ISO 639-2/B instead of /T codes.
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string fullLanguage = CultureInfo
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.GetCultures(CultureTypes.NeutralCultures)
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.FirstOrDefault(r => r.ThreeLetterISOLanguageName.Equals(Language, StringComparison.OrdinalIgnoreCase))
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?.DisplayName;
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attributes.Add(StringHelper.FirstToUpper(fullLanguage ?? Language));
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}
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if (!string.IsNullOrEmpty(Codec) && !string.Equals(Codec, "dca", StringComparison.OrdinalIgnoreCase))
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{
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attributes.Add(AudioCodec.GetFriendlyName(Codec));
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}
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else if (!string.IsNullOrEmpty(Profile) && !string.Equals(Profile, "lc", StringComparison.OrdinalIgnoreCase))
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{
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attributes.Add(Profile);
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}
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if (!string.IsNullOrEmpty(ChannelLayout))
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{
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attributes.Add(StringHelper.FirstToUpper(ChannelLayout));
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}
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else if (Channels.HasValue)
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{
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attributes.Add(Channels.Value.ToString(CultureInfo.InvariantCulture) + " ch");
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}
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if (IsDefault)
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{
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attributes.Add(string.IsNullOrEmpty(LocalizedDefault) ? "Default" : LocalizedDefault);
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}
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if (!string.IsNullOrEmpty(Title))
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{
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var result = new StringBuilder(Title);
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foreach (var tag in attributes)
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{
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// Keep Tags that are not already in Title.
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if (!Title.Contains(tag, StringComparison.OrdinalIgnoreCase))
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{
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result.Append(" - ").Append(tag);
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}
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}
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return result.ToString();
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}
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return string.Join(" - ", attributes);
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}
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case MediaStreamType.Video:
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{
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var attributes = new List<string>();
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var resolutionText = GetResolutionText();
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if (!string.IsNullOrEmpty(resolutionText))
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{
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attributes.Add(resolutionText);
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}
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if (!string.IsNullOrEmpty(Codec))
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{
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attributes.Add(Codec.ToUpperInvariant());
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}
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if (!string.IsNullOrEmpty(VideoRange))
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{
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attributes.Add(VideoRange.ToUpperInvariant());
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}
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if (!string.IsNullOrEmpty(Title))
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{
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var result = new StringBuilder(Title);
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foreach (var tag in attributes)
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{
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// Keep Tags that are not already in Title.
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if (!Title.Contains(tag, StringComparison.OrdinalIgnoreCase))
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{
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result.Append(" - ").Append(tag);
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}
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}
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return result.ToString();
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}
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return string.Join(' ', attributes);
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}
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case MediaStreamType.Subtitle:
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{
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var attributes = new List<string>();
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if (!string.IsNullOrEmpty(Language))
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{
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// Get full language string i.e. eng -> English. Will not work for some languages which use ISO 639-2/B instead of /T codes.
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string fullLanguage = CultureInfo
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.GetCultures(CultureTypes.NeutralCultures)
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.FirstOrDefault(r => r.ThreeLetterISOLanguageName.Equals(Language, StringComparison.OrdinalIgnoreCase))
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?.DisplayName;
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attributes.Add(StringHelper.FirstToUpper(fullLanguage ?? Language));
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}
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else
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{
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attributes.Add(string.IsNullOrEmpty(LocalizedUndefined) ? "Und" : LocalizedUndefined);
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}
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if (IsDefault)
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{
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attributes.Add(string.IsNullOrEmpty(LocalizedDefault) ? "Default" : LocalizedDefault);
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}
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if (IsForced)
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{
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attributes.Add(string.IsNullOrEmpty(LocalizedForced) ? "Forced" : LocalizedForced);
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}
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if (!string.IsNullOrEmpty(Title))
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{
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var result = new StringBuilder(Title);
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foreach (var tag in attributes)
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{
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// Keep Tags that are not already in Title.
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if (Title.IndexOf(tag, StringComparison.OrdinalIgnoreCase) == -1)
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{
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result.Append(" - ").Append(tag);
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}
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}
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return result.ToString();
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}
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return string.Join(" - ", attributes);
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}
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default:
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return null;
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}
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}
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}
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public string NalLengthSize { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is interlaced.
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/// </summary>
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/// <value><c>true</c> if this instance is interlaced; otherwise, <c>false</c>.</value>
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public bool IsInterlaced { get; set; }
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public bool? IsAVC { get; set; }
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/// <summary>
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/// Gets or sets the channel layout.
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/// </summary>
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/// <value>The channel layout.</value>
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public string ChannelLayout { get; set; }
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/// <summary>
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/// Gets or sets the bit rate.
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/// </summary>
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/// <value>The bit rate.</value>
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public int? BitRate { get; set; }
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/// <summary>
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/// Gets or sets the bit depth.
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/// </summary>
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/// <value>The bit depth.</value>
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public int? BitDepth { get; set; }
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/// <summary>
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/// Gets or sets the reference frames.
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/// </summary>
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/// <value>The reference frames.</value>
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public int? RefFrames { get; set; }
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/// <summary>
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/// Gets or sets the length of the packet.
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/// </summary>
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/// <value>The length of the packet.</value>
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public int? PacketLength { get; set; }
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/// <summary>
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/// Gets or sets the channels.
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/// </summary>
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/// <value>The channels.</value>
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public int? Channels { get; set; }
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/// <summary>
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/// Gets or sets the sample rate.
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/// </summary>
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/// <value>The sample rate.</value>
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public int? SampleRate { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is default.
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/// </summary>
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/// <value><c>true</c> if this instance is default; otherwise, <c>false</c>.</value>
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public bool IsDefault { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is forced.
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/// </summary>
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/// <value><c>true</c> if this instance is forced; otherwise, <c>false</c>.</value>
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public bool IsForced { get; set; }
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/// <summary>
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/// Gets or sets the height.
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/// </summary>
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/// <value>The height.</value>
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public int? Height { get; set; }
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/// <summary>
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/// Gets or sets the width.
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/// </summary>
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/// <value>The width.</value>
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public int? Width { get; set; }
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/// <summary>
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/// Gets or sets the average frame rate.
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/// </summary>
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/// <value>The average frame rate.</value>
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public float? AverageFrameRate { get; set; }
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/// <summary>
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/// Gets or sets the real frame rate.
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/// </summary>
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/// <value>The real frame rate.</value>
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public float? RealFrameRate { get; set; }
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/// <summary>
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/// Gets or sets the profile.
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/// </summary>
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/// <value>The profile.</value>
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public string Profile { get; set; }
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/// <summary>
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/// Gets or sets the type.
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/// </summary>
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/// <value>The type.</value>
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public MediaStreamType Type { get; set; }
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/// <summary>
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/// Gets or sets the aspect ratio.
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/// </summary>
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/// <value>The aspect ratio.</value>
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public string AspectRatio { get; set; }
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/// <summary>
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/// Gets or sets the index.
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/// </summary>
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/// <value>The index.</value>
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public int Index { get; set; }
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/// <summary>
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/// Gets or sets the score.
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/// </summary>
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/// <value>The score.</value>
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public int? Score { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is external.
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/// </summary>
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/// <value><c>true</c> if this instance is external; otherwise, <c>false</c>.</value>
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public bool IsExternal { get; set; }
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/// <summary>
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/// Gets or sets the method.
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/// </summary>
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/// <value>The method.</value>
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public SubtitleDeliveryMethod? DeliveryMethod { get; set; }
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/// <summary>
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/// Gets or sets the delivery URL.
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/// </summary>
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/// <value>The delivery URL.</value>
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public string DeliveryUrl { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is external URL.
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/// </summary>
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/// <value><c>null</c> if [is external URL] contains no value, <c>true</c> if [is external URL]; otherwise, <c>false</c>.</value>
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public bool? IsExternalUrl { get; set; }
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public bool IsTextSubtitleStream
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{
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get
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{
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if (Type != MediaStreamType.Subtitle)
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{
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return false;
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}
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if (string.IsNullOrEmpty(Codec) && !IsExternal)
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{
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return false;
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}
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return IsTextFormat(Codec);
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}
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}
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/// <summary>
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/// Gets or sets a value indicating whether [supports external stream].
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/// </summary>
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/// <value><c>true</c> if [supports external stream]; otherwise, <c>false</c>.</value>
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public bool SupportsExternalStream { get; set; }
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/// <summary>
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/// Gets or sets the filename.
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/// </summary>
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/// <value>The filename.</value>
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public string Path { get; set; }
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/// <summary>
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/// Gets or sets the pixel format.
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/// </summary>
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/// <value>The pixel format.</value>
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public string PixelFormat { get; set; }
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/// <summary>
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/// Gets or sets the level.
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/// </summary>
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/// <value>The level.</value>
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public double? Level { get; set; }
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/// <summary>
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/// Gets or sets whether this instance is anamorphic.
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/// </summary>
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/// <value><c>true</c> if this instance is anamorphic; otherwise, <c>false</c>.</value>
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public bool? IsAnamorphic { get; set; }
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internal string GetResolutionText()
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{
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if (!Width.HasValue || !Height.HasValue)
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{
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return null;
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}
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return Width switch
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{
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<= 720 when Height <= 480 => IsInterlaced ? "480i" : "480p",
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// 720x576 (PAL) (768 when rescaled for square pixels)
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<= 768 when Height <= 576 => IsInterlaced ? "576i" : "576p",
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// 960x540 (sometimes 544 which is multiple of 16)
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<= 960 when Height <= 544 => IsInterlaced ? "540i" : "540p",
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// 1280x720
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<= 1280 when Height <= 962 => IsInterlaced ? "720i" : "720p",
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// 1920x1080
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<= 1920 when Height <= 1440 => IsInterlaced ? "1080i" : "1080p",
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// 4K
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<= 4096 when Height <= 3072 => "4K",
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// 8K
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<= 8192 when Height <= 6144 => "8K",
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_ => null
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};
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}
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public static bool IsTextFormat(string format)
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{
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string codec = format ?? string.Empty;
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// sub = external .sub file
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return !codec.Contains("pgs", StringComparison.OrdinalIgnoreCase) &&
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!codec.Contains("dvd", StringComparison.OrdinalIgnoreCase) &&
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!codec.Contains("dvbsub", StringComparison.OrdinalIgnoreCase) &&
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!string.Equals(codec, "sub", StringComparison.OrdinalIgnoreCase) &&
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!string.Equals(codec, "dvb_subtitle", StringComparison.OrdinalIgnoreCase);
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}
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public bool SupportsSubtitleConversionTo(string toCodec)
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{
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if (!IsTextSubtitleStream)
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{
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return false;
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}
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var fromCodec = Codec;
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// Can't convert from this
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if (string.Equals(fromCodec, "ass", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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if (string.Equals(fromCodec, "ssa", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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// Can't convert to this
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if (string.Equals(toCodec, "ass", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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if (string.Equals(toCodec, "ssa", StringComparison.OrdinalIgnoreCase))
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{
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return false;
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}
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return true;
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}
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}
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}
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