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-rw-r--r--Jellyfin.Api/Models/PlaybackDtos/TranscodingJobDto.cs481
-rw-r--r--Jellyfin.Api/Models/PlaybackDtos/TranscodingThrottler.cs305
2 files changed, 392 insertions, 394 deletions
diff --git a/Jellyfin.Api/Models/PlaybackDtos/TranscodingJobDto.cs b/Jellyfin.Api/Models/PlaybackDtos/TranscodingJobDto.cs
index 9060500c8..480ddab09 100644
--- a/Jellyfin.Api/Models/PlaybackDtos/TranscodingJobDto.cs
+++ b/Jellyfin.Api/Models/PlaybackDtos/TranscodingJobDto.cs
@@ -6,279 +6,278 @@ using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using Microsoft.Extensions.Logging;
-namespace Jellyfin.Api.Models.PlaybackDtos
+namespace Jellyfin.Api.Models.PlaybackDtos;
+
+/// <summary>
+/// Class TranscodingJob.
+/// </summary>
+public class TranscodingJobDto : IDisposable
{
/// <summary>
- /// Class TranscodingJob.
+ /// 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>
- public class TranscodingJobDto : IDisposable
+ 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)
{
- /// <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;
- }
+ 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 exit code.
+ /// </summary>
+ public int ExitCode { 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 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 exit code.
- /// </summary>
- public int ExitCode { 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()
+ /// <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)
{
- lock (_timerLock)
- {
- KillTimer?.Change(Timeout.Infinite, Timeout.Infinite);
- }
+ KillTimer?.Change(Timeout.Infinite, Timeout.Infinite);
}
+ }
- /// <summary>
- /// Dispose kill timer.
- /// </summary>
- public void DisposeKillTimer()
+ /// <summary>
+ /// Dispose kill timer.
+ /// </summary>
+ public void DisposeKillTimer()
+ {
+ lock (_timerLock)
{
- lock (_timerLock)
+ if (KillTimer is not null)
{
- if (KillTimer is not null)
- {
- KillTimer.Dispose();
- 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>
- public void StartKillTimer(Action<object?> callback)
+ /// <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)
{
- StartKillTimer(callback, PingTimeout);
+ return;
}
- /// <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)
+ lock (_timerLock)
{
- if (HasExited)
+ if (KillTimer is null)
{
- return;
+ 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);
}
-
- lock (_timerLock)
+ else
{
- if (KillTimer is 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);
- }
+ 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()
+ /// <summary>
+ /// Change kill timer if started.
+ /// </summary>
+ public void ChangeKillTimerIfStarted()
+ {
+ if (HasExited)
{
- if (HasExited)
- {
- return;
- }
+ return;
+ }
- lock (_timerLock)
+ lock (_timerLock)
+ {
+ if (KillTimer is not null)
{
- if (KillTimer is not null)
- {
- var intervalMs = PingTimeout;
+ var intervalMs = PingTimeout;
- Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
- KillTimer.Change(intervalMs, Timeout.Infinite);
- }
+ Logger.LogDebug("Changing kill timer to {0}ms. JobId {1} PlaySessionId {2}", intervalMs, Id, PlaySessionId);
+ KillTimer.Change(intervalMs, Timeout.Infinite);
}
}
+ }
- /// <inheritdoc />
- public void Dispose()
- {
- Dispose(true);
- GC.SuppressFinalize(this);
- }
+ /// <inheritdoc />
+ public void Dispose()
+ {
+ Dispose(true);
+ GC.SuppressFinalize(this);
+ }
- /// <summary>
- /// Dispose all resources.
- /// </summary>
- /// <param name="disposing">Whether to dispose all resources.</param>
- protected virtual void Dispose(bool disposing)
+ /// <summary>
+ /// Dispose all resources.
+ /// </summary>
+ /// <param name="disposing">Whether to dispose all resources.</param>
+ protected virtual void Dispose(bool disposing)
+ {
+ if (disposing)
{
- if (disposing)
- {
- Process?.Dispose();
- Process = null;
- KillTimer?.Dispose();
- KillTimer = null;
- CancellationTokenSource?.Dispose();
- CancellationTokenSource = null;
- TranscodingThrottler?.Dispose();
- TranscodingThrottler = null;
- }
+ Process?.Dispose();
+ Process = null;
+ KillTimer?.Dispose();
+ KillTimer = null;
+ CancellationTokenSource?.Dispose();
+ CancellationTokenSource = null;
+ TranscodingThrottler?.Dispose();
+ TranscodingThrottler = null;
}
}
}
diff --git a/Jellyfin.Api/Models/PlaybackDtos/TranscodingThrottler.cs b/Jellyfin.Api/Models/PlaybackDtos/TranscodingThrottler.cs
index 9c4e377cd..b577c4ea6 100644
--- a/Jellyfin.Api/Models/PlaybackDtos/TranscodingThrottler.cs
+++ b/Jellyfin.Api/Models/PlaybackDtos/TranscodingThrottler.cs
@@ -7,214 +7,213 @@ using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
-namespace Jellyfin.Api.Models.PlaybackDtos
+namespace Jellyfin.Api.Models.PlaybackDtos;
+
+/// <summary>
+/// Transcoding throttler.
+/// </summary>
+public class TranscodingThrottler : IDisposable
{
+ private readonly TranscodingJobDto _job;
+ private readonly ILogger<TranscodingThrottler> _logger;
+ private readonly IConfigurationManager _config;
+ private readonly IFileSystem _fileSystem;
+ private readonly IMediaEncoder _mediaEncoder;
+ private Timer? _timer;
+ private bool _isPaused;
+
/// <summary>
- /// Transcoding throttler.
+ /// Initializes a new instance of the <see cref="TranscodingThrottler"/> class.
/// </summary>
- public class TranscodingThrottler : IDisposable
+ /// <param name="job">Transcoding job dto.</param>
+ /// <param name="logger">Instance of the <see cref="ILogger{TranscodingThrottler}"/> interface.</param>
+ /// <param name="config">Instance of the <see cref="IConfigurationManager"/> interface.</param>
+ /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
+ /// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
+ public TranscodingThrottler(TranscodingJobDto job, ILogger<TranscodingThrottler> logger, IConfigurationManager config, IFileSystem fileSystem, IMediaEncoder mediaEncoder)
{
- private readonly TranscodingJobDto _job;
- private readonly ILogger<TranscodingThrottler> _logger;
- private readonly IConfigurationManager _config;
- private readonly IFileSystem _fileSystem;
- private readonly IMediaEncoder _mediaEncoder;
- private Timer? _timer;
- private bool _isPaused;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="TranscodingThrottler"/> class.
- /// </summary>
- /// <param name="job">Transcoding job dto.</param>
- /// <param name="logger">Instance of the <see cref="ILogger{TranscodingThrottler}"/> interface.</param>
- /// <param name="config">Instance of the <see cref="IConfigurationManager"/> interface.</param>
- /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
- /// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
- public TranscodingThrottler(TranscodingJobDto job, ILogger<TranscodingThrottler> logger, IConfigurationManager config, IFileSystem fileSystem, IMediaEncoder mediaEncoder)
- {
- _job = job;
- _logger = logger;
- _config = config;
- _fileSystem = fileSystem;
- _mediaEncoder = mediaEncoder;
- }
+ _job = job;
+ _logger = logger;
+ _config = config;
+ _fileSystem = fileSystem;
+ _mediaEncoder = mediaEncoder;
+ }
- /// <summary>
- /// Start timer.
- /// </summary>
- public void Start()
- {
- _timer = new Timer(TimerCallback, null, 5000, 5000);
- }
+ /// <summary>
+ /// Start timer.
+ /// </summary>
+ public void Start()
+ {
+ _timer = new Timer(TimerCallback, null, 5000, 5000);
+ }
- /// <summary>
- /// Unpause transcoding.
- /// </summary>
- /// <returns>A <see cref="Task"/>.</returns>
- public async Task UnpauseTranscoding()
+ /// <summary>
+ /// Unpause transcoding.
+ /// </summary>
+ /// <returns>A <see cref="Task"/>.</returns>
+ public async Task UnpauseTranscoding()
+ {
+ if (_isPaused)
{
- if (_isPaused)
- {
- _logger.LogDebug("Sending resume command to ffmpeg");
+ _logger.LogDebug("Sending resume command to ffmpeg");
- try
- {
- var resumeKey = _mediaEncoder.IsPkeyPauseSupported ? "u" : Environment.NewLine;
- await _job.Process!.StandardInput.WriteAsync(resumeKey).ConfigureAwait(false);
- _isPaused = false;
- }
- catch (Exception ex)
- {
- _logger.LogError(ex, "Error resuming transcoding");
- }
+ try
+ {
+ var resumeKey = _mediaEncoder.IsPkeyPauseSupported ? "u" : Environment.NewLine;
+ await _job.Process!.StandardInput.WriteAsync(resumeKey).ConfigureAwait(false);
+ _isPaused = false;
+ }
+ catch (Exception ex)
+ {
+ _logger.LogError(ex, "Error resuming transcoding");
}
}
+ }
- /// <summary>
- /// Stop throttler.
- /// </summary>
- /// <returns>A <see cref="Task"/>.</returns>
- public async Task Stop()
+ /// <summary>
+ /// Stop throttler.
+ /// </summary>
+ /// <returns>A <see cref="Task"/>.</returns>
+ public async Task Stop()
+ {
+ DisposeTimer();
+ await UnpauseTranscoding().ConfigureAwait(false);
+ }
+
+ /// <summary>
+ /// Dispose throttler.
+ /// </summary>
+ 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)
{
DisposeTimer();
- await UnpauseTranscoding().ConfigureAwait(false);
}
+ }
- /// <summary>
- /// Dispose throttler.
- /// </summary>
- public void Dispose()
+ private EncodingOptions GetOptions()
+ {
+ return _config.GetEncodingOptions();
+ }
+
+ private async void TimerCallback(object? state)
+ {
+ if (_job.HasExited)
{
- Dispose(true);
- GC.SuppressFinalize(this);
+ DisposeTimer();
+ return;
}
- /// <summary>
- /// Dispose throttler.
- /// </summary>
- /// <param name="disposing">Disposing.</param>
- protected virtual void Dispose(bool disposing)
+ var options = GetOptions();
+
+ if (options.EnableThrottling && IsThrottleAllowed(_job, options.ThrottleDelaySeconds))
{
- if (disposing)
- {
- DisposeTimer();
- }
+ await PauseTranscoding().ConfigureAwait(false);
}
-
- private EncodingOptions GetOptions()
+ else
{
- return _config.GetEncodingOptions();
+ await UnpauseTranscoding().ConfigureAwait(false);
}
+ }
- private async void TimerCallback(object? state)
+ private async Task PauseTranscoding()
+ {
+ if (!_isPaused)
{
- if (_job.HasExited)
- {
- DisposeTimer();
- return;
- }
+ var pauseKey = _mediaEncoder.IsPkeyPauseSupported ? "p" : "c";
- var options = GetOptions();
+ _logger.LogDebug("Sending pause command [{Key}] to ffmpeg", pauseKey);
- if (options.EnableThrottling && IsThrottleAllowed(_job, options.ThrottleDelaySeconds))
+ try
{
- await PauseTranscoding().ConfigureAwait(false);
+ await _job.Process!.StandardInput.WriteAsync(pauseKey).ConfigureAwait(false);
+ _isPaused = true;
}
- else
+ catch (Exception ex)
{
- await UnpauseTranscoding().ConfigureAwait(false);
+ _logger.LogError(ex, "Error pausing transcoding");
}
}
+ }
- private async Task PauseTranscoding()
+ private bool IsThrottleAllowed(TranscodingJobDto job, int thresholdSeconds)
+ {
+ var bytesDownloaded = job.BytesDownloaded;
+ var transcodingPositionTicks = job.TranscodingPositionTicks ?? 0;
+ var downloadPositionTicks = job.DownloadPositionTicks ?? 0;
+
+ var path = job.Path ?? throw new ArgumentException("Path can't be null.");
+
+ var gapLengthInTicks = TimeSpan.FromSeconds(thresholdSeconds).Ticks;
+
+ if (downloadPositionTicks > 0 && transcodingPositionTicks > 0)
{
- if (!_isPaused)
- {
- var pauseKey = _mediaEncoder.IsPkeyPauseSupported ? "p" : "c";
+ // HLS - time-based consideration
- _logger.LogDebug("Sending pause command [{Key}] to ffmpeg", pauseKey);
+ var targetGap = gapLengthInTicks;
+ var gap = transcodingPositionTicks - downloadPositionTicks;
- try
- {
- await _job.Process!.StandardInput.WriteAsync(pauseKey).ConfigureAwait(false);
- _isPaused = true;
- }
- catch (Exception ex)
- {
- _logger.LogError(ex, "Error pausing transcoding");
- }
+ if (gap < targetGap)
+ {
+ _logger.LogDebug("Not throttling transcoder gap {0} target gap {1}", gap, targetGap);
+ return false;
}
+
+ _logger.LogDebug("Throttling transcoder gap {0} target gap {1}", gap, targetGap);
+ return true;
}
- private bool IsThrottleAllowed(TranscodingJobDto job, int thresholdSeconds)
+ if (bytesDownloaded > 0 && transcodingPositionTicks > 0)
{
- var bytesDownloaded = job.BytesDownloaded;
- var transcodingPositionTicks = job.TranscodingPositionTicks ?? 0;
- var downloadPositionTicks = job.DownloadPositionTicks ?? 0;
-
- var path = job.Path ?? throw new ArgumentException("Path can't be null.");
-
- var gapLengthInTicks = TimeSpan.FromSeconds(thresholdSeconds).Ticks;
+ // Progressive Streaming - byte-based consideration
- if (downloadPositionTicks > 0 && transcodingPositionTicks > 0)
+ try
{
- // HLS - time-based consideration
+ var bytesTranscoded = job.BytesTranscoded ?? _fileSystem.GetFileInfo(path).Length;
- var targetGap = gapLengthInTicks;
- var gap = transcodingPositionTicks - downloadPositionTicks;
+ // Estimate the bytes the transcoder should be ahead
+ double gapFactor = gapLengthInTicks;
+ gapFactor /= transcodingPositionTicks;
+ var targetGap = bytesTranscoded * gapFactor;
+
+ var gap = bytesTranscoded - bytesDownloaded;
if (gap < targetGap)
{
- _logger.LogDebug("Not throttling transcoder gap {0} target gap {1}", gap, targetGap);
+ _logger.LogDebug("Not throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
return false;
}
- _logger.LogDebug("Throttling transcoder gap {0} target gap {1}", gap, targetGap);
+ _logger.LogDebug("Throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
return true;
}
-
- if (bytesDownloaded > 0 && transcodingPositionTicks > 0)
+ catch (Exception ex)
{
- // Progressive Streaming - byte-based consideration
-
- try
- {
- var bytesTranscoded = job.BytesTranscoded ?? _fileSystem.GetFileInfo(path).Length;
-
- // Estimate the bytes the transcoder should be ahead
- double gapFactor = gapLengthInTicks;
- gapFactor /= transcodingPositionTicks;
- var targetGap = bytesTranscoded * gapFactor;
-
- var gap = bytesTranscoded - bytesDownloaded;
-
- if (gap < targetGap)
- {
- _logger.LogDebug("Not throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
- return false;
- }
-
- _logger.LogDebug("Throttling transcoder gap {0} target gap {1} bytes downloaded {2}", gap, targetGap, bytesDownloaded);
- return true;
- }
- catch (Exception ex)
- {
- _logger.LogError(ex, "Error getting output size");
- return false;
- }
+ _logger.LogError(ex, "Error getting output size");
+ return false;
}
-
- _logger.LogDebug("No throttle data for {Path}", path);
- return false;
}
- private void DisposeTimer()
+ _logger.LogDebug("No throttle data for {Path}", path);
+ return false;
+ }
+
+ private void DisposeTimer()
+ {
+ if (_timer is not null)
{
- if (_timer is not null)
- {
- _timer.Dispose();
- _timer = null;
- }
+ _timer.Dispose();
+ _timer = null;
}
}
}