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@ -8,8 +8,6 @@ using System.Text;
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using System.Text.Json;
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using System.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Api.Extensions;
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using Jellyfin.Api.Models.StreamingDtos;
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using Jellyfin.Data.Enums;
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using MediaBrowser.Common;
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using MediaBrowser.Common.Configuration;
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@ -18,93 +16,77 @@ using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Controller.Streaming;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Session;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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namespace Jellyfin.Api.Helpers;
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namespace MediaBrowser.MediaEncoding.Transcoding;
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/// <summary>
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/// Transcoding job helpers.
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/// </summary>
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public class TranscodingJobHelper : IDisposable
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/// <inheritdoc cref="ITranscodeManager"/>
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public sealed class TranscodeManager : ITranscodeManager, IDisposable
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{
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/// <summary>
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/// The active transcoding jobs.
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/// </summary>
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private static readonly List<TranscodingJob> _activeTranscodingJobs = new List<TranscodingJob>();
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/// <summary>
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/// The transcoding locks.
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/// </summary>
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private static readonly Dictionary<string, SemaphoreSlim> _transcodingLocks = new Dictionary<string, SemaphoreSlim>();
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private readonly IAttachmentExtractor _attachmentExtractor;
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private readonly ILoggerFactory _loggerFactory;
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private readonly ILogger<TranscodeManager> _logger;
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private readonly IFileSystem _fileSystem;
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private readonly IApplicationPaths _appPaths;
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private readonly IServerConfigurationManager _serverConfigurationManager;
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private readonly IUserManager _userManager;
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private readonly ISessionManager _sessionManager;
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private readonly EncodingHelper _encodingHelper;
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private readonly IFileSystem _fileSystem;
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private readonly ILogger<TranscodingJobHelper> _logger;
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private readonly IMediaEncoder _mediaEncoder;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IServerConfigurationManager _serverConfigurationManager;
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private readonly ISessionManager _sessionManager;
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private readonly ILoggerFactory _loggerFactory;
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private readonly IUserManager _userManager;
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private readonly IAttachmentExtractor _attachmentExtractor;
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private readonly List<TranscodingJob> _activeTranscodingJobs = new();
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private readonly Dictionary<string, SemaphoreSlim> _transcodingLocks = new();
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/// <summary>
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/// Initializes a new instance of the <see cref="TranscodingJobHelper"/> class.
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/// Initializes a new instance of the <see cref="TranscodeManager"/> class.
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/// </summary>
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/// <param name="attachmentExtractor">Instance of the <see cref="IAttachmentExtractor"/> interface.</param>
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/// <param name="appPaths">Instance of the <see cref="IApplicationPaths"/> interface.</param>
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/// <param name="logger">Instance of the <see cref="ILogger{TranscodingJobHelpers}"/> interface.</param>
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/// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
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/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
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/// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
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/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
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/// <param name="sessionManager">Instance of the <see cref="ISessionManager"/> interface.</param>
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/// <param name="encodingHelper">Instance of <see cref="EncodingHelper"/>.</param>
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/// <param name="loggerFactory">Instance of the <see cref="ILoggerFactory"/> interface.</param>
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/// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
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public TranscodingJobHelper(
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IAttachmentExtractor attachmentExtractor,
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IApplicationPaths appPaths,
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ILogger<TranscodingJobHelper> logger,
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IMediaSourceManager mediaSourceManager,
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/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param>
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/// <param name="fileSystem">The <see cref="IFileSystem"/>.</param>
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/// <param name="appPaths">The <see cref="IApplicationPaths"/>.</param>
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/// <param name="serverConfigurationManager">The <see cref="IServerConfigurationManager"/>.</param>
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/// <param name="userManager">The <see cref="IUserManager"/>.</param>
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/// <param name="sessionManager">The <see cref="ISessionManager"/>.</param>
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/// <param name="encodingHelper">The <see cref="EncodingHelper"/>.</param>
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/// <param name="mediaEncoder">The <see cref="IMediaEncoder"/>.</param>
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/// <param name="mediaSourceManager">The <see cref="IMediaSourceManager"/>.</param>
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/// <param name="attachmentExtractor">The <see cref="IAttachmentExtractor"/>.</param>
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public TranscodeManager(
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ILoggerFactory loggerFactory,
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IFileSystem fileSystem,
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IMediaEncoder mediaEncoder,
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IApplicationPaths appPaths,
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IServerConfigurationManager serverConfigurationManager,
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IUserManager userManager,
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ISessionManager sessionManager,
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EncodingHelper encodingHelper,
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ILoggerFactory loggerFactory,
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IUserManager userManager)
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IMediaEncoder mediaEncoder,
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IMediaSourceManager mediaSourceManager,
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IAttachmentExtractor attachmentExtractor)
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{
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_attachmentExtractor = attachmentExtractor;
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_appPaths = appPaths;
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_logger = logger;
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_mediaSourceManager = mediaSourceManager;
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_loggerFactory = loggerFactory;
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_fileSystem = fileSystem;
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_mediaEncoder = mediaEncoder;
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_appPaths = appPaths;
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_serverConfigurationManager = serverConfigurationManager;
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_userManager = userManager;
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_sessionManager = sessionManager;
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_encodingHelper = encodingHelper;
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_loggerFactory = loggerFactory;
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_userManager = userManager;
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_mediaEncoder = mediaEncoder;
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_mediaSourceManager = mediaSourceManager;
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_attachmentExtractor = attachmentExtractor;
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_logger = loggerFactory.CreateLogger<TranscodeManager>();
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DeleteEncodedMediaCache();
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sessionManager.PlaybackProgress += OnPlaybackProgress;
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sessionManager.PlaybackStart += OnPlaybackProgress;
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_sessionManager.PlaybackProgress += OnPlaybackProgress;
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_sessionManager.PlaybackStart += OnPlaybackProgress;
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}
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/// <summary>
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/// Get transcoding job.
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/// </summary>
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/// <param name="playSessionId">Playback session id.</param>
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/// <returns>The transcoding job.</returns>
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/// <inheritdoc />
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public TranscodingJob? GetTranscodingJob(string playSessionId)
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{
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lock (_activeTranscodingJobs)
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@ -113,12 +95,7 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Get transcoding job.
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/// </summary>
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/// <param name="path">Path to the transcoding file.</param>
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/// <param name="type">The <see cref="TranscodingJobType"/>.</param>
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/// <returns>The transcoding job.</returns>
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/// <inheritdoc />
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public TranscodingJob? GetTranscodingJob(string path, TranscodingJobType type)
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{
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lock (_activeTranscodingJobs)
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@ -127,12 +104,7 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Ping transcoding job.
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/// </summary>
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/// <param name="playSessionId">Play session id.</param>
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/// <param name="isUserPaused">Is user paused.</param>
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/// <exception cref="ArgumentNullException">Play session id is null.</exception>
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/// <inheritdoc />
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public void PingTranscodingJob(string playSessionId, bool? isUserPaused)
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{
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ArgumentException.ThrowIfNullOrEmpty(playSessionId);
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@ -189,10 +161,6 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Called when [transcode kill timer stopped].
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/// </summary>
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/// <param name="state">The state.</param>
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private async void OnTranscodeKillTimerStopped(object? state)
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{
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var job = state as TranscodingJob ?? throw new ArgumentException($"{nameof(state)} is not of type {nameof(TranscodingJob)}", nameof(state));
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@ -212,29 +180,8 @@ public class TranscodingJobHelper : IDisposable
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await KillTranscodingJob(job, true, path => true).ConfigureAwait(false);
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}
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/// <summary>
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/// Kills the single transcoding job.
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/// </summary>
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/// <param name="deviceId">The device id.</param>
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/// <param name="playSessionId">The play session identifier.</param>
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/// <param name="deleteFiles">The delete files.</param>
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/// <returns>Task.</returns>
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/// <inheritdoc />
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public Task KillTranscodingJobs(string deviceId, string? playSessionId, Func<string, bool> deleteFiles)
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{
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return KillTranscodingJobs(
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j => string.IsNullOrWhiteSpace(playSessionId)
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? string.Equals(deviceId, j.DeviceId, StringComparison.OrdinalIgnoreCase)
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: string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase),
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deleteFiles);
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}
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/// <summary>
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/// Kills the transcoding jobs.
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/// </summary>
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/// <param name="killJob">The kill job.</param>
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/// <param name="deleteFiles">The delete files.</param>
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/// <returns>Task.</returns>
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private Task KillTranscodingJobs(Func<TranscodingJob, bool> killJob, Func<string, bool> deleteFiles)
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{
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var jobs = new List<TranscodingJob>();
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@ -242,13 +189,12 @@ public class TranscodingJobHelper : IDisposable
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{
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// This is really only needed for HLS.
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// Progressive streams can stop on their own reliably.
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jobs.AddRange(_activeTranscodingJobs.Where(killJob));
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jobs.AddRange(_activeTranscodingJobs.Where(j => string.IsNullOrWhiteSpace(playSessionId)
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? string.Equals(deviceId, j.DeviceId, StringComparison.OrdinalIgnoreCase)
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: string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase)));
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}
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if (jobs.Count == 0)
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{
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return Task.CompletedTask;
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}
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return Task.WhenAll(GetKillJobs());
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IEnumerable<Task> GetKillJobs()
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{
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@ -257,16 +203,8 @@ public class TranscodingJobHelper : IDisposable
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yield return KillTranscodingJob(job, false, deleteFiles);
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}
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}
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return Task.WhenAll(GetKillJobs());
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}
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/// <summary>
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/// Kills the transcoding job.
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/// </summary>
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/// <param name="job">The job.</param>
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/// <param name="closeLiveStream">if set to <c>true</c> [close live stream].</param>
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/// <param name="delete">The delete.</param>
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private async Task KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func<string, bool> delete)
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{
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job.DisposeKillTimer();
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@ -353,10 +291,6 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Deletes the progressive partial stream files.
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/// </summary>
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/// <param name="outputFilePath">The output file path.</param>
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private void DeleteProgressivePartialStreamFiles(string outputFilePath)
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{
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if (File.Exists(outputFilePath))
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@ -365,10 +299,6 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Deletes the HLS partial stream files.
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/// </summary>
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/// <param name="outputFilePath">The output file path.</param>
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private void DeleteHlsPartialStreamFiles(string outputFilePath)
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{
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var directory = Path.GetDirectoryName(outputFilePath)
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@ -400,16 +330,7 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Report the transcoding progress to the session manager.
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/// </summary>
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/// <param name="job">The <see cref="TranscodingJob"/> of which the progress will be reported.</param>
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/// <param name="state">The <see cref="StreamState"/> of the current transcoding job.</param>
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/// <param name="transcodingPosition">The current transcoding position.</param>
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/// <param name="framerate">The framerate of the transcoding job.</param>
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/// <param name="percentComplete">The completion percentage of the transcode.</param>
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/// <param name="bytesTranscoded">The number of bytes transcoded.</param>
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/// <param name="bitRate">The bitrate of the transcoding job.</param>
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/// <inheritdoc />
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public void ReportTranscodingProgress(
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TranscodingJob job,
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StreamState state,
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@ -462,22 +383,12 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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/// Starts FFmpeg.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <param name="outputPath">The output path.</param>
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/// <param name="commandLineArguments">The command line arguments for FFmpeg.</param>
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/// <param name="request">The <see cref="HttpRequest"/>.</param>
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/// <param name="transcodingJobType">The <see cref="TranscodingJobType"/>.</param>
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/// <param name="cancellationTokenSource">The cancellation token source.</param>
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/// <param name="workingDirectory">The working directory.</param>
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/// <returns>Task.</returns>
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/// <inheritdoc />
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public async Task<TranscodingJob> StartFfMpeg(
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StreamState state,
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string outputPath,
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string commandLineArguments,
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HttpRequest request,
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Guid userId,
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TranscodingJobType transcodingJobType,
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CancellationTokenSource cancellationTokenSource,
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string? workingDirectory = null)
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@ -489,7 +400,6 @@ public class TranscodingJobHelper : IDisposable
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if (state.VideoRequest is not null && !EncodingHelper.IsCopyCodec(state.OutputVideoCodec))
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{
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var userId = request.HttpContext.User.GetUserId();
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var user = userId.Equals(default) ? null : _userManager.GetUserById(userId);
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if (user is not null && !user.HasPermission(PermissionKind.EnableVideoPlaybackTranscoding))
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{
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@ -567,13 +477,26 @@ public class TranscodingJobHelper : IDisposable
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$"{logFilePrefix}{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{state.Request.MediaSourceId}_{Guid.NewGuid().ToString()[..8]}.log");
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// FFmpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
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Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
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Stream logStream = new FileStream(
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logFilePath,
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FileMode.Create,
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FileAccess.Write,
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FileShare.Read,
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IODefaults.FileStreamBufferSize,
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FileOptions.Asynchronous);
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var commandLineLogMessage = process.StartInfo.FileName + " " + process.StartInfo.Arguments;
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var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(request.Path + Environment.NewLine + Environment.NewLine + JsonSerializer.Serialize(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
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var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(
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JsonSerializer.Serialize(state.MediaSource)
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+ Environment.NewLine
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+ Environment.NewLine
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+ commandLineLogMessage
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+ Environment.NewLine
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+ Environment.NewLine);
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await logStream.WriteAsync(commandLineLogMessageBytes, cancellationTokenSource.Token).ConfigureAwait(false);
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process.Exited += (sender, args) => OnFfMpegProcessExited(process, transcodingJob, state);
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process.Exited += (_, _) => OnFfMpegProcessExited(process, transcodingJob, state);
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try
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{
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@ -582,7 +505,6 @@ public class TranscodingJobHelper : IDisposable
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error starting FFmpeg");
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this.OnTranscodeFailedToStart(outputPath, transcodingJobType, state);
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throw;
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@ -637,31 +559,14 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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private bool EnableThrottling(StreamState state)
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{
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var encodingOptions = _serverConfigurationManager.GetEncodingOptions();
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return state.InputProtocol == MediaProtocol.File &&
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state.RunTimeTicks.HasValue &&
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state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks &&
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state.IsInputVideo &&
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state.VideoType == VideoType.VideoFile;
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}
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private static bool EnableThrottling(StreamState state)
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=> state.InputProtocol == MediaProtocol.File
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&& state.RunTimeTicks.HasValue
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&& state.RunTimeTicks.Value >= TimeSpan.FromMinutes(5).Ticks
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&& state.IsInputVideo
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&& state.VideoType == VideoType.VideoFile;
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/// <summary>
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/// Called when [transcode beginning].
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/// </summary>
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/// <param name="path">The path.</param>
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/// <param name="playSessionId">The play session identifier.</param>
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/// <param name="liveStreamId">The live stream identifier.</param>
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/// <param name="transcodingJobId">The transcoding job identifier.</param>
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/// <param name="type">The type.</param>
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/// <param name="process">The process.</param>
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/// <param name="deviceId">The device id.</param>
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/// <param name="state">The state.</param>
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/// <param name="cancellationTokenSource">The cancellation token source.</param>
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/// <returns>TranscodingJob.</returns>
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public TranscodingJob OnTranscodeBeginning(
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private TranscodingJob OnTranscodeBeginning(
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|
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string path,
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|
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string? playSessionId,
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|
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string? liveStreamId,
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|
|
@ -696,10 +601,7 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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|
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/// Called when [transcode end].
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/// </summary>
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/// <param name="job">The transcode job.</param>
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/// <inheritdoc />
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|
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public void OnTranscodeEndRequest(TranscodingJob job)
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{
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|
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job.ActiveRequestCount--;
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@ -710,16 +612,7 @@ public class TranscodingJobHelper : IDisposable
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}
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}
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/// <summary>
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|
/// <summary>
|
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|
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/// The progressive
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/// </summary>
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|
|
/// Called when [transcode failed to start].
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/// </summary>
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/// <param name="path">The path.</param>
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/// <param name="type">The type.</param>
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|
|
/// <param name="state">The state.</param>
|
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|
|
public void OnTranscodeFailedToStart(string path, TranscodingJobType type, StreamState state)
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|
|
private void OnTranscodeFailedToStart(string path, TranscodingJobType type, StreamState state)
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|
|
{
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|
|
lock (_activeTranscodingJobs)
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|
|
{
|
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|
|
|
@ -742,12 +635,6 @@ public class TranscodingJobHelper : IDisposable
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|
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}
|
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|
|
}
|
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|
|
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|
|
/// <summary>
|
|
|
|
|
/// Processes the exited.
|
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|
|
/// </summary>
|
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|
|
/// <param name="process">The process.</param>
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|
|
/// <param name="job">The job.</param>
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|
|
/// <param name="state">The state.</param>
|
|
|
|
|
private void OnFfMpegProcessExited(Process process, TranscodingJob job, StreamState state)
|
|
|
|
|
{
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|
|
job.HasExited = true;
|
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|
|
|
@ -794,44 +681,30 @@ public class TranscodingJobHelper : IDisposable
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|
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}
|
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|
|
}
|
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|
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|
|
/// <summary>
|
|
|
|
|
/// Called when [transcode begin request].
|
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|
|
/// </summary>
|
|
|
|
|
/// <param name="path">The path.</param>
|
|
|
|
|
/// <param name="type">The type.</param>
|
|
|
|
|
/// <returns>The <see cref="TranscodingJob"/>.</returns>
|
|
|
|
|
/// <inheritdoc />
|
|
|
|
|
public TranscodingJob? OnTranscodeBeginRequest(string path, TranscodingJobType type)
|
|
|
|
|
{
|
|
|
|
|
lock (_activeTranscodingJobs)
|
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|
|
|
{
|
|
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|
|
var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
|
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|
|
var job = _activeTranscodingJobs
|
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|
|
.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
|
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|
|
|
|
|
|
|
|
if (job is null)
|
|
|
|
|
{
|
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|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
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|
|
OnTranscodeBeginRequest(job);
|
|
|
|
|
job.ActiveRequestCount++;
|
|
|
|
|
if (string.IsNullOrWhiteSpace(job.PlaySessionId) || job.Type == TranscodingJobType.Progressive)
|
|
|
|
|
{
|
|
|
|
|
job.StopKillTimer();
|
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|
|
|
}
|
|
|
|
|
|
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|
|
return job;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void OnTranscodeBeginRequest(TranscodingJob job)
|
|
|
|
|
{
|
|
|
|
|
job.ActiveRequestCount++;
|
|
|
|
|
|
|
|
|
|
if (string.IsNullOrWhiteSpace(job.PlaySessionId) || job.Type == TranscodingJobType.Progressive)
|
|
|
|
|
{
|
|
|
|
|
job.StopKillTimer();
|
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|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the transcoding lock.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="outputPath">The output path of the transcoded file.</param>
|
|
|
|
|
/// <returns>A <see cref="SemaphoreSlim"/>.</returns>
|
|
|
|
|
/// <inheritdoc />
|
|
|
|
|
public SemaphoreSlim GetTranscodingLock(string outputPath)
|
|
|
|
|
{
|
|
|
|
|
lock (_transcodingLocks)
|
|
|
|
|
@ -854,9 +727,6 @@ public class TranscodingJobHelper : IDisposable
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Deletes the encoded media cache.
|
|
|
|
|
/// </summary>
|
|
|
|
|
private void DeleteEncodedMediaCache()
|
|
|
|
|
{
|
|
|
|
|
var path = _serverConfigurationManager.GetTranscodePath();
|
|
|
|
|
@ -871,26 +741,10 @@ public class TranscodingJobHelper : IDisposable
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Dispose transcoding job helper.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <inheritdoc />
|
|
|
|
|
public void Dispose()
|
|
|
|
|
{
|
|
|
|
|
Dispose(true);
|
|
|
|
|
GC.SuppressFinalize(this);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Dispose throttler.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="disposing">Disposing.</param>
|
|
|
|
|
protected virtual void Dispose(bool disposing)
|
|
|
|
|
{
|
|
|
|
|
if (disposing)
|
|
|
|
|
{
|
|
|
|
|
_loggerFactory.Dispose();
|
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|
|
|
_sessionManager.PlaybackProgress -= OnPlaybackProgress;
|
|
|
|
|
_sessionManager.PlaybackStart -= OnPlaybackProgress;
|
|
|
|
|
}
|
|
|
|
|
_sessionManager.PlaybackProgress -= OnPlaybackProgress;
|
|
|
|
|
_sessionManager.PlaybackStart -= OnPlaybackProgress;
|
|
|
|
|
}
|
|
|
|
|
}
|
Patrick Barron
1 year ago