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	* Translate the ISO-639-2/B codes to ISO-639-2/T. This enables 19 additional languages to be displayed correctly. * Convert the 2-dimensional array to a dictionary * Added the French language to the list of ISO-639-2/B codes * Don't change the property, use a local variable instead. * When creating the MediaStream in the MediaStreamRepository ensure that the ISO 639-2/T (f.e. deu) code is used for the language as that is the one the .NET culture info knows. The other code is most likely the ISO 639-2/B code (f.e. ger) which is unknown to the .NET culture info and will result in just displaying the code instead of the display name. * Move the substitution of ISO 639-2/B to /T to the localization manager. Some language (like Chinese) have multiple entries in the iso6392.txt file (f.e. zho|chi|zh|..., zho|chi|zh-tw|...) but the conversation between /T and /B is the same so use .TryAdd. * Change the method definition from GetISO6392TFromB to TryGetISO6392TFromB and return true if a case was found. * Add unit tests for TryGetISO6392TFromB.
		
			
				
	
	
		
			847 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			847 lines
		
	
	
		
			30 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.Frozen;
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using System.Collections.Generic;
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using System.ComponentModel;
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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 System.Text.Json.Serialization;
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using Jellyfin.Data.Enums;
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using Jellyfin.Extensions;
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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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        private static readonly string[] _specialCodes =
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        {
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            // Uncoded languages.
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            "mis",
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            // Multiple languages.
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            "mul",
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            // Undetermined.
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            "und",
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            // No linguistic content; not applicable.
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            "zxx"
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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 Dolby Vision version major.
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        /// </summary>
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        /// <value>The Dolby Vision version major.</value>
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        public int? DvVersionMajor { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision version minor.
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        /// </summary>
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        /// <value>The Dolby Vision version minor.</value>
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        public int? DvVersionMinor { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision profile.
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        /// </summary>
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        /// <value>The Dolby Vision profile.</value>
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        public int? DvProfile { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision level.
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        /// </summary>
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        /// <value>The Dolby Vision level.</value>
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        public int? DvLevel { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision rpu present flag.
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        /// </summary>
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        /// <value>The Dolby Vision rpu present flag.</value>
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        public int? RpuPresentFlag { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision el present flag.
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        /// </summary>
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        /// <value>The Dolby Vision el present flag.</value>
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        public int? ElPresentFlag { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision bl present flag.
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        /// </summary>
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        /// <value>The Dolby Vision bl present flag.</value>
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        public int? BlPresentFlag { get; set; }
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        /// <summary>
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        /// Gets or sets the Dolby Vision bl signal compatibility id.
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        /// </summary>
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        /// <value>The Dolby Vision bl signal compatibility id.</value>
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        public int? DvBlSignalCompatibilityId { get; set; }
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        /// <summary>
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        /// Gets or sets the Rotation in degrees.
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        /// </summary>
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        /// <value>The video rotation.</value>
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        public int? Rotation { 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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        public bool? Hdr10PlusPresentFlag { 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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        [DefaultValue(VideoRange.Unknown)]
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        public VideoRange VideoRange
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        {
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            get
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            {
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                var (videoRange, _) = GetVideoColorRange();
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                return videoRange;
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            }
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        }
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        /// <summary>
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        /// Gets the video range type.
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        /// </summary>
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        /// <value>The video range type.</value>
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        [DefaultValue(VideoRangeType.Unknown)]
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        public VideoRangeType VideoRangeType
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        {
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            get
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            {
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                var (_, videoRangeType) = GetVideoColorRange();
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                return videoRangeType;
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            }
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        }
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        /// <summary>
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        /// Gets the video dovi title.
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        /// </summary>
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        /// <value>The video dovi title.</value>
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        public string VideoDoViTitle
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        {
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            get
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            {
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                var dvProfile = DvProfile;
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                var rpuPresentFlag = RpuPresentFlag == 1;
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                var blPresentFlag = BlPresentFlag == 1;
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                var dvBlCompatId = DvBlSignalCompatibilityId;
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                if (rpuPresentFlag
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                    && blPresentFlag
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                    && (dvProfile == 4
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                        || dvProfile == 5
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                        || dvProfile == 7
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                        || dvProfile == 8
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                        || dvProfile == 9
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                        || dvProfile == 10))
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                {
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                    var title = "Dolby Vision Profile " + dvProfile;
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                    if (dvBlCompatId > 0)
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                    {
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                        title += "." + dvBlCompatId;
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                    }
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                    return dvBlCompatId switch
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                    {
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                        1 => title + " (HDR10)",
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                        2 => title + " (SDR)",
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                        4 => title + " (HLG)",
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                        6 => title + " (HDR10)", // Technically means Blu-ray, but practically always HDR10
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                        _ => title
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                    };
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                }
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                return null;
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            }
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        }
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        /// <summary>
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        /// Gets the audio spatial format.
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        /// </summary>
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        /// <value>The audio spatial format.</value>
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        [DefaultValue(AudioSpatialFormat.None)]
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        public AudioSpatialFormat AudioSpatialFormat
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        {
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            get
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            {
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                if (Type != MediaStreamType.Audio || string.IsNullOrEmpty(Profile))
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                {
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                    return AudioSpatialFormat.None;
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                }
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                return
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                    Profile.Contains("Dolby Atmos", StringComparison.OrdinalIgnoreCase) ? AudioSpatialFormat.DolbyAtmos :
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                    Profile.Contains("DTS:X", StringComparison.OrdinalIgnoreCase) ? AudioSpatialFormat.DTSX :
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                    AudioSpatialFormat.None;
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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 LocalizedExternal { get; set; }
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        public string LocalizedHearingImpaired { 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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                        // Do not display the language code in display titles if unset or set to a special code. Show it in all other cases (possibly expanded).
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                        if (!string.IsNullOrEmpty(Language) && !_specialCodes.Contains(Language, StringComparison.OrdinalIgnoreCase))
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                        {
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                            // Get full language string i.e. eng -> English.
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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(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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                        else if (!string.IsNullOrEmpty(Codec))
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                        {
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                            attributes.Add(AudioCodec.GetFriendlyName(Codec));
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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 (IsExternal)
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                        {
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                            attributes.Add(string.IsNullOrEmpty(LocalizedExternal) ? "External" : LocalizedExternal);
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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 (VideoDoViTitle is not null)
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                        {
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                            attributes.Add(VideoDoViTitle);
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                        }
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                        else if (VideoRange != VideoRange.Unknown)
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                        {
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                            attributes.Add(VideoRange.ToString());
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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.
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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 (IsHearingImpaired == true)
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                        {
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                            attributes.Add(string.IsNullOrEmpty(LocalizedHearingImpaired) ? "Hearing Impaired" : LocalizedHearingImpaired);
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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(Codec))
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                        {
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                            attributes.Add(Codec.ToUpperInvariant());
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                        }
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                        if (IsExternal)
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                        {
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                            attributes.Add(string.IsNullOrEmpty(LocalizedExternal) ? "External" : LocalizedExternal);
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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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                    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>
 | 
						|
        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>
 | 
						|
        /// Gets or sets the reference frames.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The reference frames.</value>
 | 
						|
        public int? RefFrames { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the length of the packet.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The length of the packet.</value>
 | 
						|
        public int? PacketLength { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the channels.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The channels.</value>
 | 
						|
        public int? Channels { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the sample rate.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The sample rate.</value>
 | 
						|
        public int? SampleRate { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether this instance is default.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this instance is default; otherwise, <c>false</c>.</value>
 | 
						|
        public bool IsDefault { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether this instance is forced.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this instance is forced; otherwise, <c>false</c>.</value>
 | 
						|
        public bool IsForced { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether this instance is for the hearing impaired.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this instance is for the hearing impaired; otherwise, <c>false</c>.</value>
 | 
						|
        public bool IsHearingImpaired { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the height.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The height.</value>
 | 
						|
        public int? Height { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the width.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The width.</value>
 | 
						|
        public int? Width { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the average frame rate.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The average frame rate.</value>
 | 
						|
        public float? AverageFrameRate { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the real frame rate.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The real frame rate.</value>
 | 
						|
        public float? RealFrameRate { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets the framerate used as reference.
 | 
						|
        /// Prefer AverageFrameRate, if that is null or an unrealistic value
 | 
						|
        /// then fallback to RealFrameRate.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The reference frame rate.</value>
 | 
						|
        public float? ReferenceFrameRate
 | 
						|
        {
 | 
						|
            get
 | 
						|
            {
 | 
						|
                // In some cases AverageFrameRate for videos will be read as 1000fps even if it is not.
 | 
						|
                // This is probably due to a library compatibility issue.
 | 
						|
                // See https://github.com/jellyfin/jellyfin/pull/12603#discussion_r1748044018 for more info.
 | 
						|
                return AverageFrameRate < 1000 ? AverageFrameRate : RealFrameRate;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the profile.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The profile.</value>
 | 
						|
        public string Profile { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the type.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The type.</value>
 | 
						|
        public MediaStreamType Type { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the aspect ratio.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The aspect ratio.</value>
 | 
						|
        public string AspectRatio { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the index.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The index.</value>
 | 
						|
        public int Index { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the score.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The score.</value>
 | 
						|
        public int? Score { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether this instance is external.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this instance is external; otherwise, <c>false</c>.</value>
 | 
						|
        public bool IsExternal { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the method.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The method.</value>
 | 
						|
        public SubtitleDeliveryMethod? DeliveryMethod { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the delivery URL.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The delivery URL.</value>
 | 
						|
        public string DeliveryUrl { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether this instance is external URL.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>null</c> if [is external URL] contains no value, <c>true</c> if [is external URL]; otherwise, <c>false</c>.</value>
 | 
						|
        public bool? IsExternalUrl { get; set; }
 | 
						|
 | 
						|
        public bool IsTextSubtitleStream
 | 
						|
        {
 | 
						|
            get
 | 
						|
            {
 | 
						|
                if (Type != MediaStreamType.Subtitle)
 | 
						|
                {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                if (string.IsNullOrEmpty(Codec) && !IsExternal)
 | 
						|
                {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                return IsTextFormat(Codec);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        [JsonIgnore]
 | 
						|
        public bool IsPgsSubtitleStream
 | 
						|
        {
 | 
						|
            get
 | 
						|
            {
 | 
						|
                if (Type != MediaStreamType.Subtitle)
 | 
						|
                {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                if (string.IsNullOrEmpty(Codec) && !IsExternal)
 | 
						|
                {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                return IsPgsFormat(Codec);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets a value indicating whether this is a subtitle steam that is extractable by ffmpeg.
 | 
						|
        /// All text-based and pgs subtitles can be extracted.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this is a extractable subtitle steam otherwise, <c>false</c>.</value>
 | 
						|
        [JsonIgnore]
 | 
						|
        public bool IsExtractableSubtitleStream => IsTextSubtitleStream || IsPgsSubtitleStream;
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets a value indicating whether [supports external stream].
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if [supports external stream]; otherwise, <c>false</c>.</value>
 | 
						|
        public bool SupportsExternalStream { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the filename.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The filename.</value>
 | 
						|
        public string Path { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the pixel format.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The pixel format.</value>
 | 
						|
        public string PixelFormat { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets the level.
 | 
						|
        /// </summary>
 | 
						|
        /// <value>The level.</value>
 | 
						|
        public double? Level { get; set; }
 | 
						|
 | 
						|
        /// <summary>
 | 
						|
        /// Gets or sets whether this instance is anamorphic.
 | 
						|
        /// </summary>
 | 
						|
        /// <value><c>true</c> if this instance is anamorphic; otherwise, <c>false</c>.</value>
 | 
						|
        public bool? IsAnamorphic { get; set; }
 | 
						|
 | 
						|
        internal string GetResolutionText()
 | 
						|
        {
 | 
						|
            if (!Width.HasValue || !Height.HasValue)
 | 
						|
            {
 | 
						|
                return null;
 | 
						|
            }
 | 
						|
 | 
						|
            return Width switch
 | 
						|
            {
 | 
						|
                // 256x144 (16:9 square pixel format)
 | 
						|
                <= 256 when Height <= 144 => IsInterlaced ? "144i" : "144p",
 | 
						|
                // 426x240 (16:9 square pixel format)
 | 
						|
                <= 426 when Height <= 240 => IsInterlaced ? "240i" : "240p",
 | 
						|
                // 640x360 (16:9 square pixel format)
 | 
						|
                <= 640 when Height <= 360 => IsInterlaced ? "360i" : "360p",
 | 
						|
                // 682x384 (16:9 square pixel format)
 | 
						|
                <= 682 when Height <= 384 => IsInterlaced ? "384i" : "384p",
 | 
						|
                // 720x404 (16:9 square pixel format)
 | 
						|
                <= 720 when Height <= 404 => IsInterlaced ? "404i" : "404p",
 | 
						|
                // 854x480 (16:9 square pixel format)
 | 
						|
                <= 854 when Height <= 480 => IsInterlaced ? "480i" : "480p",
 | 
						|
                // 960x544 (16:9 square pixel format)
 | 
						|
                <= 960 when Height <= 544 => IsInterlaced ? "540i" : "540p",
 | 
						|
                // 1024x576 (16:9 square pixel format)
 | 
						|
                <= 1024 when Height <= 576 => IsInterlaced ? "576i" : "576p",
 | 
						|
                // 1280x720
 | 
						|
                <= 1280 when Height <= 962 => IsInterlaced ? "720i" : "720p",
 | 
						|
                // 2560x1080 (FHD ultra wide 21:9) using 1440px width to accommodate WQHD
 | 
						|
                <= 2560 when Height <= 1440 => IsInterlaced ? "1080i" : "1080p",
 | 
						|
                // 4K
 | 
						|
                <= 4096 when Height <= 3072 => "4K",
 | 
						|
                // 8K
 | 
						|
                <= 8192 when Height <= 6144 => "8K",
 | 
						|
                _ => null
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        public static bool IsTextFormat(string format)
 | 
						|
        {
 | 
						|
            string codec = format ?? string.Empty;
 | 
						|
 | 
						|
            // microdvd and dvdsub/vobsub share the ".sub" file extension, but it's text-based.
 | 
						|
 | 
						|
            return codec.Contains("microdvd", StringComparison.OrdinalIgnoreCase)
 | 
						|
                   || (!codec.Contains("pgs", StringComparison.OrdinalIgnoreCase)
 | 
						|
                       && !codec.Contains("dvdsub", StringComparison.OrdinalIgnoreCase)
 | 
						|
                       && !codec.Contains("dvbsub", StringComparison.OrdinalIgnoreCase)
 | 
						|
                       && !string.Equals(codec, "sup", StringComparison.OrdinalIgnoreCase)
 | 
						|
                       && !string.Equals(codec, "sub", StringComparison.OrdinalIgnoreCase));
 | 
						|
        }
 | 
						|
 | 
						|
        public static bool IsPgsFormat(string format)
 | 
						|
        {
 | 
						|
            string codec = format ?? string.Empty;
 | 
						|
 | 
						|
            return codec.Contains("pgs", StringComparison.OrdinalIgnoreCase)
 | 
						|
                   || string.Equals(codec, "sup", StringComparison.OrdinalIgnoreCase);
 | 
						|
        }
 | 
						|
 | 
						|
        public bool SupportsSubtitleConversionTo(string toCodec)
 | 
						|
        {
 | 
						|
            if (!IsTextSubtitleStream)
 | 
						|
            {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            var fromCodec = Codec;
 | 
						|
 | 
						|
            // Can't convert from this
 | 
						|
            if (string.Equals(fromCodec, "ass", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(fromCodec, "ssa", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            // Can't convert to this
 | 
						|
            if (string.Equals(toCodec, "ass", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            if (string.Equals(toCodec, "ssa", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        public (VideoRange VideoRange, VideoRangeType VideoRangeType) GetVideoColorRange()
 | 
						|
        {
 | 
						|
            if (Type != MediaStreamType.Video)
 | 
						|
            {
 | 
						|
                return (VideoRange.Unknown, VideoRangeType.Unknown);
 | 
						|
            }
 | 
						|
 | 
						|
            var codecTag = CodecTag;
 | 
						|
            var dvProfile = DvProfile;
 | 
						|
            var rpuPresentFlag = RpuPresentFlag == 1;
 | 
						|
            var blPresentFlag = BlPresentFlag == 1;
 | 
						|
            var dvBlCompatId = DvBlSignalCompatibilityId;
 | 
						|
 | 
						|
            var isDoViProfile = dvProfile is 5 or 7 or 8 or 10;
 | 
						|
            var isDoViFlag = rpuPresentFlag && blPresentFlag && dvBlCompatId is 0 or 1 or 4 or 2 or 6;
 | 
						|
 | 
						|
            if ((isDoViProfile && isDoViFlag)
 | 
						|
                || string.Equals(codecTag, "dovi", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(codecTag, "dvh1", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(codecTag, "dvhe", StringComparison.OrdinalIgnoreCase)
 | 
						|
                || string.Equals(codecTag, "dav1", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                var dvRangeSet = dvProfile switch
 | 
						|
                {
 | 
						|
                    5 => (VideoRange.HDR, VideoRangeType.DOVI),
 | 
						|
                    8 => dvBlCompatId switch
 | 
						|
                    {
 | 
						|
                        1 => (VideoRange.HDR, VideoRangeType.DOVIWithHDR10),
 | 
						|
                        4 => (VideoRange.HDR, VideoRangeType.DOVIWithHLG),
 | 
						|
                        2 => (VideoRange.SDR, VideoRangeType.DOVIWithSDR),
 | 
						|
                        // Out of Dolby Spec files should be marked as invalid
 | 
						|
                        _ => (VideoRange.HDR, VideoRangeType.DOVIInvalid)
 | 
						|
                    },
 | 
						|
                    7 => (VideoRange.HDR, VideoRangeType.DOVIWithEL),
 | 
						|
                    10 => dvBlCompatId switch
 | 
						|
                    {
 | 
						|
                        0 => (VideoRange.HDR, VideoRangeType.DOVI),
 | 
						|
                        1 => (VideoRange.HDR, VideoRangeType.DOVIWithHDR10),
 | 
						|
                        2 => (VideoRange.SDR, VideoRangeType.DOVIWithSDR),
 | 
						|
                        4 => (VideoRange.HDR, VideoRangeType.DOVIWithHLG),
 | 
						|
                        // Out of Dolby Spec files should be marked as invalid
 | 
						|
                        _ => (VideoRange.HDR, VideoRangeType.DOVIInvalid)
 | 
						|
                    },
 | 
						|
                    _ => (VideoRange.SDR, VideoRangeType.SDR)
 | 
						|
                };
 | 
						|
 | 
						|
                if (Hdr10PlusPresentFlag == true)
 | 
						|
                {
 | 
						|
                    return dvRangeSet.Item2 switch
 | 
						|
                    {
 | 
						|
                        VideoRangeType.DOVIWithHDR10 => (VideoRange.HDR, VideoRangeType.DOVIWithHDR10Plus),
 | 
						|
                        VideoRangeType.DOVIWithEL => (VideoRange.HDR, VideoRangeType.DOVIWithELHDR10Plus),
 | 
						|
                        _ => dvRangeSet
 | 
						|
                    };
 | 
						|
                }
 | 
						|
 | 
						|
                return dvRangeSet;
 | 
						|
            }
 | 
						|
 | 
						|
            var colorTransfer = ColorTransfer;
 | 
						|
 | 
						|
            if (string.Equals(colorTransfer, "smpte2084", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return Hdr10PlusPresentFlag == true ? (VideoRange.HDR, VideoRangeType.HDR10Plus) : (VideoRange.HDR, VideoRangeType.HDR10);
 | 
						|
            }
 | 
						|
            else if (string.Equals(colorTransfer, "arib-std-b67", StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                return (VideoRange.HDR, VideoRangeType.HLG);
 | 
						|
            }
 | 
						|
 | 
						|
            return (VideoRange.SDR, VideoRangeType.SDR);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 |