| | | 1 | | #pragma warning disable CS1591 |
| | | 2 | | |
| | | 3 | | using System; |
| | | 4 | | using System.Collections.Generic; |
| | | 5 | | using System.Globalization; |
| | | 6 | | using System.IO; |
| | | 7 | | using System.Linq; |
| | | 8 | | using System.Text.Json; |
| | | 9 | | using System.Threading; |
| | | 10 | | using System.Threading.Tasks; |
| | | 11 | | using Jellyfin.Extensions.Json; |
| | | 12 | | using MediaBrowser.Common.Configuration; |
| | | 13 | | using MediaBrowser.Common.Extensions; |
| | | 14 | | using MediaBrowser.Controller.MediaEncoding; |
| | | 15 | | using MediaBrowser.Model.Dlna; |
| | | 16 | | using MediaBrowser.Model.Dto; |
| | | 17 | | using MediaBrowser.Model.Entities; |
| | | 18 | | using MediaBrowser.Model.IO; |
| | | 19 | | using MediaBrowser.Model.MediaInfo; |
| | | 20 | | using Microsoft.Extensions.Logging; |
| | | 21 | | |
| | | 22 | | namespace Emby.Server.Implementations.Library |
| | | 23 | | { |
| | | 24 | | public class LiveStreamHelper |
| | | 25 | | { |
| | | 26 | | private readonly IMediaEncoder _mediaEncoder; |
| | | 27 | | private readonly ILogger _logger; |
| | | 28 | | private readonly IApplicationPaths _appPaths; |
| | 0 | 29 | | private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options; |
| | | 30 | | |
| | | 31 | | public LiveStreamHelper(IMediaEncoder mediaEncoder, ILogger logger, IApplicationPaths appPaths) |
| | | 32 | | { |
| | 0 | 33 | | _mediaEncoder = mediaEncoder; |
| | 0 | 34 | | _logger = logger; |
| | 0 | 35 | | _appPaths = appPaths; |
| | 0 | 36 | | } |
| | | 37 | | |
| | | 38 | | public async Task AddMediaInfoWithProbe(MediaSourceInfo mediaSource, bool isAudio, string? cacheKey, bool addPro |
| | | 39 | | { |
| | | 40 | | var originalRuntime = mediaSource.RunTimeTicks; |
| | | 41 | | |
| | | 42 | | var now = DateTime.UtcNow; |
| | | 43 | | |
| | | 44 | | MediaInfo? mediaInfo = null; |
| | | 45 | | var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", c |
| | | 46 | | |
| | | 47 | | if (cacheFilePath is not null) |
| | | 48 | | { |
| | | 49 | | try |
| | | 50 | | { |
| | | 51 | | FileStream jsonStream = AsyncFile.OpenRead(cacheFilePath); |
| | | 52 | | |
| | | 53 | | await using (jsonStream.ConfigureAwait(false)) |
| | | 54 | | { |
| | | 55 | | mediaInfo = await JsonSerializer.DeserializeAsync<MediaInfo>(jsonStream, _jsonOptions, cancellat |
| | | 56 | | // _logger.LogDebug("Found cached media info"); |
| | | 57 | | } |
| | | 58 | | } |
| | | 59 | | catch (IOException ex) |
| | | 60 | | { |
| | | 61 | | _logger.LogDebug(ex, "Could not open cached media info"); |
| | | 62 | | } |
| | | 63 | | catch (Exception ex) |
| | | 64 | | { |
| | | 65 | | _logger.LogError(ex, "Error opening cached media info"); |
| | | 66 | | } |
| | | 67 | | } |
| | | 68 | | |
| | | 69 | | if (mediaInfo is null) |
| | | 70 | | { |
| | | 71 | | if (addProbeDelay) |
| | | 72 | | { |
| | | 73 | | var delayMs = mediaSource.AnalyzeDurationMs ?? 0; |
| | | 74 | | delayMs = Math.Max(3000, delayMs); |
| | | 75 | | _logger.LogInformation("Waiting {0}ms before probing the live stream", delayMs); |
| | | 76 | | await Task.Delay(delayMs, cancellationToken).ConfigureAwait(false); |
| | | 77 | | } |
| | | 78 | | |
| | | 79 | | mediaSource.AnalyzeDurationMs = 3000; |
| | | 80 | | |
| | | 81 | | mediaInfo = await _mediaEncoder.GetMediaInfo( |
| | | 82 | | new MediaInfoRequest |
| | | 83 | | { |
| | | 84 | | MediaSource = mediaSource, |
| | | 85 | | MediaType = isAudio ? DlnaProfileType.Audio : DlnaProfileType.Video, |
| | | 86 | | ExtractChapters = false |
| | | 87 | | }, |
| | | 88 | | cancellationToken).ConfigureAwait(false); |
| | | 89 | | |
| | | 90 | | if (cacheFilePath is not null) |
| | | 91 | | { |
| | | 92 | | Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath) ?? throw new InvalidOperationExceptio |
| | | 93 | | FileStream createStream = AsyncFile.OpenWrite(cacheFilePath); |
| | | 94 | | await using (createStream.ConfigureAwait(false)) |
| | | 95 | | { |
| | | 96 | | await JsonSerializer.SerializeAsync(createStream, mediaInfo, _jsonOptions, cancellationToken).Co |
| | | 97 | | } |
| | | 98 | | |
| | | 99 | | _logger.LogDebug("Saved media info to {0}", cacheFilePath); |
| | | 100 | | } |
| | | 101 | | } |
| | | 102 | | |
| | | 103 | | var mediaStreams = mediaInfo.MediaStreams; |
| | | 104 | | |
| | | 105 | | if (!string.IsNullOrEmpty(cacheKey)) |
| | | 106 | | { |
| | | 107 | | var newList = new List<MediaStream>(); |
| | | 108 | | newList.AddRange(mediaStreams.Where(i => i.Type == MediaStreamType.Video).Take(1)); |
| | | 109 | | newList.AddRange(mediaStreams.Where(i => i.Type == MediaStreamType.Audio).Take(1)); |
| | | 110 | | |
| | | 111 | | foreach (var stream in newList) |
| | | 112 | | { |
| | | 113 | | stream.Index = -1; |
| | | 114 | | stream.Language = null; |
| | | 115 | | } |
| | | 116 | | |
| | | 117 | | mediaStreams = newList; |
| | | 118 | | } |
| | | 119 | | |
| | | 120 | | _logger.LogInformation("Live tv media info probe took {0} seconds", (DateTime.UtcNow - now).TotalSeconds.ToS |
| | | 121 | | |
| | | 122 | | mediaSource.Bitrate = mediaInfo.Bitrate; |
| | | 123 | | mediaSource.Container = mediaInfo.Container; |
| | | 124 | | mediaSource.Formats = mediaInfo.Formats; |
| | | 125 | | mediaSource.MediaStreams = mediaStreams; |
| | | 126 | | mediaSource.RunTimeTicks = mediaInfo.RunTimeTicks; |
| | | 127 | | mediaSource.Size = mediaInfo.Size; |
| | | 128 | | mediaSource.Timestamp = mediaInfo.Timestamp; |
| | | 129 | | mediaSource.Video3DFormat = mediaInfo.Video3DFormat; |
| | | 130 | | mediaSource.VideoType = mediaInfo.VideoType; |
| | | 131 | | |
| | | 132 | | mediaSource.DefaultSubtitleStreamIndex = null; |
| | | 133 | | |
| | | 134 | | // Null this out so that it will be treated like a live stream |
| | | 135 | | if (!originalRuntime.HasValue) |
| | | 136 | | { |
| | | 137 | | mediaSource.RunTimeTicks = null; |
| | | 138 | | } |
| | | 139 | | |
| | | 140 | | var audioStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio); |
| | | 141 | | |
| | | 142 | | if (audioStream is null || audioStream.Index == -1) |
| | | 143 | | { |
| | | 144 | | mediaSource.DefaultAudioStreamIndex = null; |
| | | 145 | | } |
| | | 146 | | else |
| | | 147 | | { |
| | | 148 | | mediaSource.DefaultAudioStreamIndex = audioStream.Index; |
| | | 149 | | } |
| | | 150 | | |
| | | 151 | | var videoStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video); |
| | | 152 | | if (videoStream is not null) |
| | | 153 | | { |
| | | 154 | | if (!videoStream.BitRate.HasValue) |
| | | 155 | | { |
| | | 156 | | var width = videoStream.Width ?? 1920; |
| | | 157 | | |
| | | 158 | | if (width >= 3000) |
| | | 159 | | { |
| | | 160 | | videoStream.BitRate = 30000000; |
| | | 161 | | } |
| | | 162 | | else if (width >= 1900) |
| | | 163 | | { |
| | | 164 | | videoStream.BitRate = 20000000; |
| | | 165 | | } |
| | | 166 | | else if (width >= 1200) |
| | | 167 | | { |
| | | 168 | | videoStream.BitRate = 8000000; |
| | | 169 | | } |
| | | 170 | | else if (width >= 700) |
| | | 171 | | { |
| | | 172 | | videoStream.BitRate = 2000000; |
| | | 173 | | } |
| | | 174 | | } |
| | | 175 | | |
| | | 176 | | // This is coming up false and preventing stream copy |
| | | 177 | | videoStream.IsAVC = null; |
| | | 178 | | } |
| | | 179 | | |
| | | 180 | | mediaSource.AnalyzeDurationMs = 3000; |
| | | 181 | | |
| | | 182 | | // Try to estimate this |
| | | 183 | | mediaSource.InferTotalBitrate(true); |
| | | 184 | | } |
| | | 185 | | |
| | | 186 | | public Task AddMediaInfoWithProbe(MediaSourceInfo mediaSource, bool isAudio, bool addProbeDelay, CancellationTok |
| | | 187 | | { |
| | 0 | 188 | | return AddMediaInfoWithProbe(mediaSource, isAudio, null, addProbeDelay, cancellationToken); |
| | | 189 | | } |
| | | 190 | | } |
| | | 191 | | } |