Jason DoveandGitHub
7b73677bad
* enable troubleshooting reports on windows * update changelog * tweak changelog
376 lines
17 KiB
C#
376 lines
17 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Threading.Tasks;
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using ErsatzTV.Core;
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using ErsatzTV.Core.Domain;
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using ErsatzTV.Core.Domain.Filler;
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using ErsatzTV.Core.Errors;
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using ErsatzTV.Core.Extensions;
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using ErsatzTV.Core.Interfaces.Emby;
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using ErsatzTV.Core.Interfaces.FFmpeg;
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using ErsatzTV.Core.Interfaces.Jellyfin;
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using ErsatzTV.Core.Interfaces.Metadata;
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using ErsatzTV.Core.Interfaces.Plex;
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using ErsatzTV.Core.Interfaces.Repositories;
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using ErsatzTV.Core.Scheduling;
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using ErsatzTV.Infrastructure.Data;
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using ErsatzTV.Infrastructure.Extensions;
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using LanguageExt;
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using Microsoft.EntityFrameworkCore;
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using static LanguageExt.Prelude;
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namespace ErsatzTV.Application.Streaming.Queries
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{
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public class GetPlayoutItemProcessByChannelNumberHandler :
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FFmpegProcessHandler<GetPlayoutItemProcessByChannelNumber>
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{
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private readonly IEmbyPathReplacementService _embyPathReplacementService;
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private readonly IMediaCollectionRepository _mediaCollectionRepository;
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private readonly ITelevisionRepository _televisionRepository;
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private readonly IArtistRepository _artistRepository;
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private readonly IFFmpegProcessService _ffmpegProcessService;
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private readonly IJellyfinPathReplacementService _jellyfinPathReplacementService;
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private readonly ILocalFileSystem _localFileSystem;
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private readonly IPlexPathReplacementService _plexPathReplacementService;
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private readonly ISongVideoGenerator _songVideoGenerator;
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public GetPlayoutItemProcessByChannelNumberHandler(
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IDbContextFactory<TvContext> dbContextFactory,
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IFFmpegProcessService ffmpegProcessService,
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ILocalFileSystem localFileSystem,
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IPlexPathReplacementService plexPathReplacementService,
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IJellyfinPathReplacementService jellyfinPathReplacementService,
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IEmbyPathReplacementService embyPathReplacementService,
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IMediaCollectionRepository mediaCollectionRepository,
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ITelevisionRepository televisionRepository,
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IArtistRepository artistRepository,
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ISongVideoGenerator songVideoGenerator)
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: base(dbContextFactory)
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{
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_ffmpegProcessService = ffmpegProcessService;
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_localFileSystem = localFileSystem;
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_plexPathReplacementService = plexPathReplacementService;
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_jellyfinPathReplacementService = jellyfinPathReplacementService;
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_embyPathReplacementService = embyPathReplacementService;
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_mediaCollectionRepository = mediaCollectionRepository;
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_televisionRepository = televisionRepository;
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_artistRepository = artistRepository;
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_songVideoGenerator = songVideoGenerator;
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}
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protected override async Task<Either<BaseError, PlayoutItemProcessModel>> GetProcess(
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TvContext dbContext,
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GetPlayoutItemProcessByChannelNumber request,
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Channel channel,
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string ffmpegPath)
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{
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DateTimeOffset now = request.Now;
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Either<BaseError, PlayoutItemWithPath> maybePlayoutItem = await dbContext.PlayoutItems
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Episode).MediaVersions)
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.ThenInclude(mv => mv.MediaFiles)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Episode).MediaVersions)
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.ThenInclude(mv => mv.Streams)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Movie).MediaVersions)
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.ThenInclude(mv => mv.MediaFiles)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Movie).MediaVersions)
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.ThenInclude(mv => mv.Streams)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as MusicVideo).MediaVersions)
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.ThenInclude(mv => mv.MediaFiles)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as MusicVideo).MediaVersions)
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.ThenInclude(mv => mv.Streams)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as OtherVideo).MediaVersions)
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.ThenInclude(ov => ov.MediaFiles)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as OtherVideo).MediaVersions)
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.ThenInclude(ov => ov.Streams)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Song).MediaVersions)
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.ThenInclude(mv => mv.MediaFiles)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Song).MediaVersions)
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.ThenInclude(mv => mv.Streams)
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.Include(i => i.MediaItem)
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.ThenInclude(mi => (mi as Song).SongMetadata)
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.ThenInclude(sm => sm.Artwork)
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.ForChannelAndTime(channel.Id, now)
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.Map(o => o.ToEither<BaseError>(new UnableToLocatePlayoutItem()))
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.BindT(ValidatePlayoutItemPath);
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if (maybePlayoutItem.LeftAsEnumerable().Any(e => e is UnableToLocatePlayoutItem))
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{
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maybePlayoutItem = await CheckForFallbackFiller(dbContext, channel, now);
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}
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return await maybePlayoutItem.Match(
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async playoutItemWithPath =>
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{
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MediaVersion version = playoutItemWithPath.PlayoutItem.MediaItem.GetHeadVersion();
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string videoPath = playoutItemWithPath.Path;
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MediaVersion videoVersion = version;
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string audioPath = playoutItemWithPath.Path;
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MediaVersion audioVersion = version;
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Option<ChannelWatermark> maybeGlobalWatermark = await dbContext.ConfigElements
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.GetValue<int>(ConfigElementKey.FFmpegGlobalWatermarkId)
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.BindT(
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watermarkId => dbContext.ChannelWatermarks
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.SelectOneAsync(w => w.Id, w => w.Id == watermarkId));
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if (playoutItemWithPath.PlayoutItem.MediaItem is Song song)
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{
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(videoPath, videoVersion) = await _songVideoGenerator.GenerateSongVideo(
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song,
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channel,
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maybeGlobalWatermark,
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ffmpegPath);
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}
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bool saveReports = await dbContext.ConfigElements
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.GetValue<bool>(ConfigElementKey.FFmpegSaveReports)
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.Map(result => result.IfNone(false));
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Process process = await _ffmpegProcessService.ForPlayoutItem(
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ffmpegPath,
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saveReports,
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channel,
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videoVersion,
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audioVersion,
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videoPath,
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audioPath,
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playoutItemWithPath.PlayoutItem.StartOffset,
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playoutItemWithPath.PlayoutItem.FinishOffset,
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request.StartAtZero ? playoutItemWithPath.PlayoutItem.StartOffset : now,
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maybeGlobalWatermark,
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channel.FFmpegProfile.VaapiDriver,
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channel.FFmpegProfile.VaapiDevice,
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request.HlsRealtime,
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playoutItemWithPath.PlayoutItem.FillerKind,
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playoutItemWithPath.PlayoutItem.InPoint,
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playoutItemWithPath.PlayoutItem.OutPoint);
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var result = new PlayoutItemProcessModel(process, playoutItemWithPath.PlayoutItem.FinishOffset);
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return Right<BaseError, PlayoutItemProcessModel>(result);
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},
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async error =>
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{
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var offlineTranscodeMessage =
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$"offline image is unavailable because transcoding is disabled in ffmpeg profile '{channel.FFmpegProfile.Name}'";
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Option<TimeSpan> maybeDuration = await Optional(channel.FFmpegProfile.Transcode)
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.Where(transcode => transcode)
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.Match(
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_ => dbContext.PlayoutItems
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.Filter(pi => pi.Playout.ChannelId == channel.Id)
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.Filter(pi => pi.Start > now.UtcDateTime)
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.OrderBy(pi => pi.Start)
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.FirstOrDefaultAsync()
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.Map(Optional)
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.MapT(pi => pi.StartOffset - now),
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() => Option<TimeSpan>.None.AsTask());
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DateTimeOffset finish = maybeDuration.Match(d => now.Add(d), () => now);
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switch (error)
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{
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case UnableToLocatePlayoutItem:
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if (channel.FFmpegProfile.Transcode)
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{
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Process errorProcess = await _ffmpegProcessService.ForError(
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ffmpegPath,
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channel,
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maybeDuration,
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"Channel is Offline",
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request.HlsRealtime);
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return new PlayoutItemProcessModel(errorProcess, finish);
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}
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else
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{
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var message =
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$"Unable to locate playout item for channel {channel.Number}; {offlineTranscodeMessage}";
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return BaseError.New(message);
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}
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case PlayoutItemDoesNotExistOnDisk:
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if (channel.FFmpegProfile.Transcode)
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{
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Process errorProcess = await _ffmpegProcessService.ForError(
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ffmpegPath,
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channel,
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maybeDuration,
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error.Value,
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request.HlsRealtime);
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return new PlayoutItemProcessModel(errorProcess, finish);
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}
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else
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{
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var message =
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$"Playout item does not exist on disk for channel {channel.Number}; {offlineTranscodeMessage}";
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return BaseError.New(message);
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}
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default:
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if (channel.FFmpegProfile.Transcode)
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{
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Process errorProcess = await _ffmpegProcessService.ForError(
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ffmpegPath,
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channel,
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maybeDuration,
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"Channel is Offline",
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request.HlsRealtime);
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return new PlayoutItemProcessModel(errorProcess, finish);
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}
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else
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{
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var message =
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$"Unexpected error locating playout item for channel {channel.Number}; {offlineTranscodeMessage}";
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return BaseError.New(message);
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}
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}
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});
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}
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private async Task<Either<BaseError, PlayoutItemWithPath>> CheckForFallbackFiller(
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TvContext dbContext,
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Channel channel,
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DateTimeOffset now)
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{
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// check for channel fallback
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Option<FillerPreset> maybeFallback = await dbContext.FillerPresets
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.SelectOneAsync(w => w.Id, w => w.Id == channel.FallbackFillerId);
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// then check for global fallback
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if (maybeFallback.IsNone)
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{
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maybeFallback = await dbContext.ConfigElements
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.GetValue<int>(ConfigElementKey.FFmpegGlobalFallbackFillerId)
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.BindT(fillerId => dbContext.FillerPresets.SelectOneAsync(w => w.Id, w => w.Id == fillerId));
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}
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foreach (FillerPreset fallbackPreset in maybeFallback)
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{
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// turn this into a playout item
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var collectionKey = CollectionKey.ForFillerPreset(fallbackPreset);
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List<MediaItem> items = await MediaItemsForCollection.Collect(
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_mediaCollectionRepository,
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_televisionRepository,
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_artistRepository,
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collectionKey);
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// TODO: shuffle? does it really matter since we loop anyway
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MediaItem item = items[new Random().Next(items.Count)];
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Option<TimeSpan> maybeDuration = await Optional(channel.FFmpegProfile.Transcode)
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.Where(transcode => transcode)
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.Match(
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_ => dbContext.PlayoutItems
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.Filter(pi => pi.Playout.ChannelId == channel.Id)
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.Filter(pi => pi.Start > now.UtcDateTime)
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.OrderBy(pi => pi.Start)
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.FirstOrDefaultAsync()
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.Map(Optional)
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.MapT(pi => pi.StartOffset - now),
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() => Option<TimeSpan>.None.AsTask());
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MediaVersion version = item.GetHeadVersion();
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version.MediaFiles = await dbContext.MediaFiles
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.AsNoTracking()
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.Filter(mf => mf.MediaVersionId == version.Id)
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.ToListAsync();
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version.Streams = await dbContext.MediaStreams
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.AsNoTracking()
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.Filter(ms => ms.MediaVersionId == version.Id)
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.ToListAsync();
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DateTimeOffset finish = maybeDuration.Match(
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// next playout item exists
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// loop until it starts
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now.Add,
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// no next playout item exists
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// loop for 5 minutes if less than 30s, otherwise play full item
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() => version.Duration < TimeSpan.FromSeconds(30)
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? now.AddMinutes(5)
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: now.Add(version.Duration));
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var playoutItem = new PlayoutItem
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{
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MediaItem = item,
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MediaItemId = item.Id,
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Start = now.UtcDateTime,
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Finish = finish.UtcDateTime,
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FillerKind = FillerKind.Fallback,
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InPoint = TimeSpan.Zero,
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OutPoint = version.Duration
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};
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return await ValidatePlayoutItemPath(playoutItem);
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}
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return new UnableToLocatePlayoutItem();
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}
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private async Task<Either<BaseError, PlayoutItemWithPath>> ValidatePlayoutItemPath(PlayoutItem playoutItem)
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{
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string path = await GetPlayoutItemPath(playoutItem);
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if (_localFileSystem.FileExists(path))
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{
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return new PlayoutItemWithPath(playoutItem, path);
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}
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return new PlayoutItemDoesNotExistOnDisk(path);
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}
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private async Task<string> GetPlayoutItemPath(PlayoutItem playoutItem)
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{
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MediaVersion version = playoutItem.MediaItem.GetHeadVersion();
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MediaFile file = version.MediaFiles.Head();
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string path = file.Path;
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return playoutItem.MediaItem switch
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{
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PlexMovie plexMovie => await _plexPathReplacementService.GetReplacementPlexPath(
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plexMovie.LibraryPathId,
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path),
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PlexEpisode plexEpisode => await _plexPathReplacementService.GetReplacementPlexPath(
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plexEpisode.LibraryPathId,
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path),
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JellyfinMovie jellyfinMovie => await _jellyfinPathReplacementService.GetReplacementJellyfinPath(
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jellyfinMovie.LibraryPathId,
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path),
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JellyfinEpisode jellyfinEpisode => await _jellyfinPathReplacementService.GetReplacementJellyfinPath(
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jellyfinEpisode.LibraryPathId,
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path),
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EmbyMovie embyMovie => await _embyPathReplacementService.GetReplacementEmbyPath(
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embyMovie.LibraryPathId,
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path),
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EmbyEpisode embyEpisode => await _embyPathReplacementService.GetReplacementEmbyPath(
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embyEpisode.LibraryPathId,
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path),
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_ => path
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};
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}
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private record PlayoutItemWithPath(PlayoutItem PlayoutItem, string Path);
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}
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}
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