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using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Api.Models.PlaybackDtos
{
/// <summary>
/// Class TranscodingJob.
/// </summary>
public class TranscodingJobDto
{
/// <summary>
/// The process lock.
/// </summary>
[SuppressMessage("Microsoft.Performance", "CA1051:NoVisibleInstanceFields", MessageId = "ProcessLock", Justification = "Imported from ServiceStack")]
[SuppressMessage("Microsoft.Performance", "SA1401:PrivateField", MessageId = "ProcessLock", Justification = "Imported from ServiceStack")]
public readonly object ProcessLock = new object();
/// <summary>
/// Timer lock.
/// </summary>
private readonly object _timerLock = new object();
/// <summary>
/// Initializes a new instance of the <see cref="TranscodingJobDto"/> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{TranscodingJobDto}"/> interface.</param>
public TranscodingJobDto(ILogger<TranscodingJobDto> logger)
{
Logger = logger;
}
/// <summary>
/// Gets or sets the play session identifier.
/// </summary>
/// <value>The play session identifier.</value>
public string? PlaySessionId { get; set; }
/// <summary>
/// Gets or sets the live stream identifier.
/// </summary>
/// <value>The live stream identifier.</value>
public string? LiveStreamId { get; set; }
/// <summary>
/// Gets or sets a value indicating whether is live output.
/// </summary>
public bool IsLiveOutput { get; set; }
/// <summary>
/// Gets or sets the path.
/// </summary>
/// <value>The path.</value>
public MediaSourceInfo? MediaSource { get; set; }
/// <summary>
/// Gets or sets path.
/// </summary>
public string? Path { get; set; }
/// <summary>
/// Gets or sets the type.
/// </summary>
/// <value>The type.</value>
public TranscodingJobType Type { get; set; }
/// <summary>
/// Gets or sets the process.
/// </summary>
/// <value>The process.</value>
public Process? Process { get; set; }
/// <summary>
/// Gets logger.
/// </summary>
public ILogger<TranscodingJobDto> Logger { get; private set; }
/// <summary>
/// Gets or sets the active request count.
/// </summary>
/// <value>The active request count.</value>
public int ActiveRequestCount { get; set; }
/// <summary>
/// Gets or sets the kill timer.
/// </summary>
/// <value>The kill timer.</value>
private Timer? KillTimer { get; set; }
/// <summary>
/// Gets or sets device id.
/// </summary>
public string? DeviceId { get; set; }
/// <summary>
/// Gets or sets cancellation token source.
/// </summary>
public CancellationTokenSource? CancellationTokenSource { get; set; }
/// <summary>
/// Gets or sets a value indicating whether has exited.
/// </summary>
public bool HasExited { get; set; }
/// <summary>
/// Gets or sets a value indicating whether is user paused.
/// </summary>
public bool IsUserPaused { get; set; }
/// <summary>
/// Gets or sets id.
/// </summary>
public string? Id { get; set; }
/// <summary>
/// Gets or sets framerate.
/// </summary>
public float? Framerate { get; set; }
/// <summary>
/// Gets or sets completion percentage.
/// </summary>
public double? CompletionPercentage { get; set; }
/// <summary>
/// Gets or sets bytes downloaded.
/// </summary>
public long? BytesDownloaded { get; set; }
/// <summary>
/// Gets or sets bytes transcoded.
/// </summary>
public long? BytesTranscoded { get; set; }
/// <summary>
/// Gets or sets bit rate.
/// </summary>
public int? BitRate { get; set; }
/// <summary>
/// Gets or sets transcoding position ticks.
/// </summary>
public long? TranscodingPositionTicks { get; set; }
/// <summary>
/// Gets or sets download position ticks.
/// </summary>
public long? DownloadPositionTicks { get; set; }
/// <summary>
/// Gets or sets transcoding throttler.
/// </summary>
public TranscodingThrottler? TranscodingThrottler { get; set; }
/// <summary>
/// Gets or sets last ping date.
/// </summary>
public DateTime LastPingDate { get; set; }
/// <summary>
/// Gets or sets ping timeout.
/// </summary>
public int PingTimeout { get; set; }
/// <summary>
/// Stop kill timer.
/// </summary>
public void StopKillTimer()
{
lock (_timerLock)
{
KillTimer?.Change(Timeout.Infinite, Timeout.Infinite);
}
}
/// <summary>
/// Dispose kill timer.
/// </summary>
public void DisposeKillTimer()
{
lock (_timerLock)
{
if (KillTimer != null)
{
KillTimer.Dispose();
KillTimer = null;
}
}
}
/// <summary>
/// Start kill timer.
/// </summary>
/// <param name="callback">Callback action.</param>
public void StartKillTimer(Action<object> callback)
{
StartKillTimer(callback, PingTimeout);
}
/// <summary>
/// Start kill timer.
/// </summary>
/// <param name="callback">Callback action.</param>
/// <param name="intervalMs">Callback interval.</param>
public void StartKillTimer(Action<object> callback, int intervalMs)
{
if (HasExited)
{
return;
}
lock (_timerLock)
{
if (KillTimer == null)
{
Logger.LogDebug("Starting kill timer at {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
KillTimer = new Timer(new TimerCallback(callback), this, intervalMs, Timeout.Infinite);
}
else
{
Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
KillTimer.Change(intervalMs, Timeout.Infinite);
}
}
}
/// <summary>
/// Change kill timer if started.
/// </summary>
public void ChangeKillTimerIfStarted()
{
if (HasExited)
{
return;
}
lock (_timerLock)
{
if (KillTimer != null)
{
var intervalMs = PingTimeout;
Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
KillTimer.Change(intervalMs, Timeout.Infinite);
}
}
}
}
}
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