| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.Globalization; |
| | | 4 | | using System.Linq; |
| | | 5 | | using BDInfo; |
| | | 6 | | using Jellyfin.Extensions; |
| | | 7 | | using MediaBrowser.Model.Entities; |
| | | 8 | | using MediaBrowser.Model.IO; |
| | | 9 | | using MediaBrowser.Model.MediaInfo; |
| | | 10 | | |
| | | 11 | | namespace MediaBrowser.MediaEncoding.BdInfo; |
| | | 12 | | |
| | | 13 | | /// <summary> |
| | | 14 | | /// Class BdInfoExaminer. |
| | | 15 | | /// </summary> |
| | | 16 | | public class BdInfoExaminer : IBlurayExaminer |
| | | 17 | | { |
| | | 18 | | private readonly IFileSystem _fileSystem; |
| | | 19 | | |
| | | 20 | | /// <summary> |
| | | 21 | | /// Initializes a new instance of the <see cref="BdInfoExaminer" /> class. |
| | | 22 | | /// </summary> |
| | | 23 | | /// <param name="fileSystem">The filesystem.</param> |
| | | 24 | | public BdInfoExaminer(IFileSystem fileSystem) |
| | | 25 | | { |
| | 21 | 26 | | _fileSystem = fileSystem; |
| | 21 | 27 | | } |
| | | 28 | | |
| | | 29 | | /// <summary> |
| | | 30 | | /// Gets the disc info. |
| | | 31 | | /// </summary> |
| | | 32 | | /// <param name="path">The path.</param> |
| | | 33 | | /// <returns>BlurayDiscInfo.</returns> |
| | | 34 | | public BlurayDiscInfo GetDiscInfo(string path) |
| | | 35 | | { |
| | 0 | 36 | | if (string.IsNullOrWhiteSpace(path)) |
| | | 37 | | { |
| | 0 | 38 | | throw new ArgumentNullException(nameof(path)); |
| | | 39 | | } |
| | | 40 | | |
| | 0 | 41 | | var bdrom = new BDROM(BdInfoDirectoryInfo.FromFileSystemPath(_fileSystem, path)); |
| | | 42 | | |
| | 0 | 43 | | bdrom.Scan(); |
| | | 44 | | |
| | | 45 | | // Get the longest playlist |
| | 0 | 46 | | var playlist = bdrom.PlaylistFiles.Values.OrderByDescending(p => p.TotalLength).FirstOrDefault(p => p.IsValid); |
| | | 47 | | |
| | 0 | 48 | | var outputStream = new BlurayDiscInfo |
| | 0 | 49 | | { |
| | 0 | 50 | | MediaStreams = Array.Empty<MediaStream>() |
| | 0 | 51 | | }; |
| | | 52 | | |
| | 0 | 53 | | if (playlist is null) |
| | | 54 | | { |
| | 0 | 55 | | return outputStream; |
| | | 56 | | } |
| | | 57 | | |
| | 0 | 58 | | outputStream.Chapters = playlist.Chapters.ToArray(); |
| | | 59 | | |
| | 0 | 60 | | outputStream.RunTimeTicks = TimeSpan.FromSeconds(playlist.TotalLength).Ticks; |
| | | 61 | | |
| | 0 | 62 | | var sortedStreams = playlist.SortedStreams; |
| | 0 | 63 | | var mediaStreams = new List<MediaStream>(sortedStreams.Count); |
| | | 64 | | |
| | 0 | 65 | | for (int i = 0; i < sortedStreams.Count; i++) |
| | | 66 | | { |
| | 0 | 67 | | var stream = sortedStreams[i]; |
| | | 68 | | switch (stream) |
| | | 69 | | { |
| | | 70 | | case TSVideoStream videoStream: |
| | 0 | 71 | | AddVideoStream(mediaStreams, i, videoStream); |
| | 0 | 72 | | break; |
| | | 73 | | case TSAudioStream audioStream: |
| | 0 | 74 | | AddAudioStream(mediaStreams, i, audioStream); |
| | 0 | 75 | | break; |
| | | 76 | | case TSTextStream: |
| | | 77 | | case TSGraphicsStream: |
| | 0 | 78 | | AddSubtitleStream(mediaStreams, i, stream); |
| | | 79 | | break; |
| | | 80 | | } |
| | | 81 | | } |
| | | 82 | | |
| | 0 | 83 | | outputStream.MediaStreams = mediaStreams.ToArray(); |
| | | 84 | | |
| | 0 | 85 | | outputStream.PlaylistName = playlist.Name; |
| | | 86 | | |
| | 0 | 87 | | if (playlist.StreamClips is not null && playlist.StreamClips.Count > 0) |
| | | 88 | | { |
| | | 89 | | // Get the files in the playlist |
| | 0 | 90 | | outputStream.Files = playlist.StreamClips.Select(i => i.StreamFile.FileInfo.FullName).ToArray(); |
| | | 91 | | } |
| | | 92 | | |
| | 0 | 93 | | return outputStream; |
| | | 94 | | } |
| | | 95 | | |
| | | 96 | | /// <summary> |
| | | 97 | | /// Adds the video stream. |
| | | 98 | | /// </summary> |
| | | 99 | | /// <param name="streams">The streams.</param> |
| | | 100 | | /// <param name="index">The stream index.</param> |
| | | 101 | | /// <param name="videoStream">The video stream.</param> |
| | | 102 | | private void AddVideoStream(List<MediaStream> streams, int index, TSVideoStream videoStream) |
| | | 103 | | { |
| | 0 | 104 | | var mediaStream = new MediaStream |
| | 0 | 105 | | { |
| | 0 | 106 | | BitRate = Convert.ToInt32(videoStream.BitRate), |
| | 0 | 107 | | Width = videoStream.Width, |
| | 0 | 108 | | Height = videoStream.Height, |
| | 0 | 109 | | Codec = GetNormalizedCodec(videoStream), |
| | 0 | 110 | | IsInterlaced = videoStream.IsInterlaced, |
| | 0 | 111 | | Type = MediaStreamType.Video, |
| | 0 | 112 | | Index = index |
| | 0 | 113 | | }; |
| | | 114 | | |
| | 0 | 115 | | if (videoStream.FrameRateDenominator > 0) |
| | | 116 | | { |
| | 0 | 117 | | float frameRateEnumerator = videoStream.FrameRateEnumerator; |
| | 0 | 118 | | float frameRateDenominator = videoStream.FrameRateDenominator; |
| | | 119 | | |
| | 0 | 120 | | mediaStream.AverageFrameRate = mediaStream.RealFrameRate = frameRateEnumerator / frameRateDenominator; |
| | | 121 | | } |
| | | 122 | | |
| | 0 | 123 | | streams.Add(mediaStream); |
| | 0 | 124 | | } |
| | | 125 | | |
| | | 126 | | /// <summary> |
| | | 127 | | /// Adds the audio stream. |
| | | 128 | | /// </summary> |
| | | 129 | | /// <param name="streams">The streams.</param> |
| | | 130 | | /// <param name="index">The stream index.</param> |
| | | 131 | | /// <param name="audioStream">The audio stream.</param> |
| | | 132 | | private void AddAudioStream(List<MediaStream> streams, int index, TSAudioStream audioStream) |
| | | 133 | | { |
| | 0 | 134 | | var stream = new MediaStream |
| | 0 | 135 | | { |
| | 0 | 136 | | Codec = GetNormalizedCodec(audioStream), |
| | 0 | 137 | | Language = audioStream.LanguageCode, |
| | 0 | 138 | | ChannelLayout = string.Format(CultureInfo.InvariantCulture, "{0:D}.{1:D}", audioStream.ChannelCount, audioSt |
| | 0 | 139 | | Channels = audioStream.ChannelCount + audioStream.LFE, |
| | 0 | 140 | | SampleRate = audioStream.SampleRate, |
| | 0 | 141 | | Type = MediaStreamType.Audio, |
| | 0 | 142 | | Index = index |
| | 0 | 143 | | }; |
| | | 144 | | |
| | 0 | 145 | | var bitrate = Convert.ToInt32(audioStream.BitRate); |
| | | 146 | | |
| | 0 | 147 | | if (bitrate > 0) |
| | | 148 | | { |
| | 0 | 149 | | stream.BitRate = bitrate; |
| | | 150 | | } |
| | | 151 | | |
| | 0 | 152 | | streams.Add(stream); |
| | 0 | 153 | | } |
| | | 154 | | |
| | | 155 | | /// <summary> |
| | | 156 | | /// Adds the subtitle stream. |
| | | 157 | | /// </summary> |
| | | 158 | | /// <param name="streams">The streams.</param> |
| | | 159 | | /// <param name="index">The stream index.</param> |
| | | 160 | | /// <param name="stream">The stream.</param> |
| | | 161 | | private void AddSubtitleStream(List<MediaStream> streams, int index, TSStream stream) |
| | | 162 | | { |
| | 0 | 163 | | streams.Add(new MediaStream |
| | 0 | 164 | | { |
| | 0 | 165 | | Language = stream.LanguageCode, |
| | 0 | 166 | | Codec = GetNormalizedCodec(stream), |
| | 0 | 167 | | Type = MediaStreamType.Subtitle, |
| | 0 | 168 | | Index = index |
| | 0 | 169 | | }); |
| | 0 | 170 | | } |
| | | 171 | | |
| | | 172 | | private string GetNormalizedCodec(TSStream stream) |
| | 0 | 173 | | => stream.StreamType switch |
| | 0 | 174 | | { |
| | 0 | 175 | | TSStreamType.MPEG1_VIDEO => "mpeg1video", |
| | 0 | 176 | | TSStreamType.MPEG2_VIDEO => "mpeg2video", |
| | 0 | 177 | | TSStreamType.VC1_VIDEO => "vc1", |
| | 0 | 178 | | TSStreamType.AC3_PLUS_AUDIO or TSStreamType.AC3_PLUS_SECONDARY_AUDIO => "eac3", |
| | 0 | 179 | | TSStreamType.DTS_AUDIO or TSStreamType.DTS_HD_AUDIO or TSStreamType.DTS_HD_MASTER_AUDIO or TSStreamType.DTS_ |
| | 0 | 180 | | TSStreamType.PRESENTATION_GRAPHICS => "pgssub", |
| | 0 | 181 | | _ => stream.CodecShortName |
| | 0 | 182 | | }; |
| | | 183 | | } |