Merge pull request #11161 from nyanmisaka/fix-segment-deletion
Co-authored-by: Claus Vium <cvium@users.noreply.github.com>pull/11175/head
Cody Robibero
2 months ago
committed by
GitHub
commit
833bc06eb4
@ -0,0 +1,178 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Threading;
|
||||
using System.Threading.Tasks;
|
||||
using MediaBrowser.Common.Configuration;
|
||||
using MediaBrowser.Model.Configuration;
|
||||
using MediaBrowser.Model.IO;
|
||||
using Microsoft.Extensions.Logging;
|
||||
|
||||
namespace MediaBrowser.Controller.MediaEncoding;
|
||||
|
||||
/// <summary>
|
||||
/// Transcoding segment cleaner.
|
||||
/// </summary>
|
||||
public class TranscodingSegmentCleaner : IDisposable
|
||||
{
|
||||
private readonly TranscodingJob _job;
|
||||
private readonly ILogger<TranscodingSegmentCleaner> _logger;
|
||||
private readonly IConfigurationManager _config;
|
||||
private readonly IFileSystem _fileSystem;
|
||||
private readonly IMediaEncoder _mediaEncoder;
|
||||
private Timer? _timer;
|
||||
private int _segmentLength;
|
||||
|
||||
/// <summary>
|
||||
/// Initializes a new instance of the <see cref="TranscodingSegmentCleaner"/> class.
|
||||
/// </summary>
|
||||
/// <param name="job">Transcoding job dto.</param>
|
||||
/// <param name="logger">Instance of the <see cref="ILogger{TranscodingSegmentCleaner}"/> 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>
|
||||
/// <param name="segmentLength">The segment length of this transcoding job.</param>
|
||||
public TranscodingSegmentCleaner(TranscodingJob job, ILogger<TranscodingSegmentCleaner> logger, IConfigurationManager config, IFileSystem fileSystem, IMediaEncoder mediaEncoder, int segmentLength)
|
||||
{
|
||||
_job = job;
|
||||
_logger = logger;
|
||||
_config = config;
|
||||
_fileSystem = fileSystem;
|
||||
_mediaEncoder = mediaEncoder;
|
||||
_segmentLength = segmentLength;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Start timer.
|
||||
/// </summary>
|
||||
public void Start()
|
||||
{
|
||||
_timer = new Timer(TimerCallback, null, 20000, 20000);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Stop cleaner.
|
||||
/// </summary>
|
||||
public void Stop()
|
||||
{
|
||||
DisposeTimer();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Dispose cleaner.
|
||||
/// </summary>
|
||||
public void Dispose()
|
||||
{
|
||||
Dispose(true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Dispose cleaner.
|
||||
/// </summary>
|
||||
/// <param name="disposing">Disposing.</param>
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (disposing)
|
||||
{
|
||||
DisposeTimer();
|
||||
}
|
||||
}
|
||||
|
||||
private EncodingOptions GetOptions()
|
||||
{
|
||||
return _config.GetEncodingOptions();
|
||||
}
|
||||
|
||||
private async void TimerCallback(object? state)
|
||||
{
|
||||
if (_job.HasExited)
|
||||
{
|
||||
DisposeTimer();
|
||||
return;
|
||||
}
|
||||
|
||||
var options = GetOptions();
|
||||
var enableSegmentDeletion = options.EnableSegmentDeletion;
|
||||
var segmentKeepSeconds = Math.Max(options.SegmentKeepSeconds, 20);
|
||||
|
||||
if (enableSegmentDeletion)
|
||||
{
|
||||
var downloadPositionTicks = _job.DownloadPositionTicks ?? 0;
|
||||
var downloadPositionSeconds = Convert.ToInt64(TimeSpan.FromTicks(downloadPositionTicks).TotalSeconds);
|
||||
|
||||
if (downloadPositionSeconds > 0 && segmentKeepSeconds > 0 && downloadPositionSeconds > segmentKeepSeconds)
|
||||
{
|
||||
var idxMaxToDelete = (downloadPositionSeconds - segmentKeepSeconds) / _segmentLength;
|
||||
|
||||
if (idxMaxToDelete > 0)
|
||||
{
|
||||
await DeleteSegmentFiles(_job, 0, idxMaxToDelete, 1500).ConfigureAwait(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private async Task DeleteSegmentFiles(TranscodingJob job, long idxMin, long idxMax, int delayMs)
|
||||
{
|
||||
var path = job.Path ?? throw new ArgumentException("Path can't be null.");
|
||||
|
||||
_logger.LogDebug("Deleting segment file(s) index {Min} to {Max} from {Path}", idxMin, idxMax, path);
|
||||
|
||||
await Task.Delay(delayMs).ConfigureAwait(false);
|
||||
|
||||
try
|
||||
{
|
||||
if (job.Type == TranscodingJobType.Hls)
|
||||
{
|
||||
DeleteHlsSegmentFiles(path, idxMin, idxMax);
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_logger.LogDebug(ex, "Error deleting segment file(s) {Path}", path);
|
||||
}
|
||||
}
|
||||
|
||||
private void DeleteHlsSegmentFiles(string outputFilePath, long idxMin, long idxMax)
|
||||
{
|
||||
var directory = Path.GetDirectoryName(outputFilePath)
|
||||
?? throw new ArgumentException("Path can't be a root directory.", nameof(outputFilePath));
|
||||
|
||||
var name = Path.GetFileNameWithoutExtension(outputFilePath);
|
||||
|
||||
var filesToDelete = _fileSystem.GetFilePaths(directory)
|
||||
.Where(f => long.TryParse(Path.GetFileNameWithoutExtension(f).Replace(name, string.Empty, StringComparison.Ordinal), out var idx)
|
||||
&& (idx >= idxMin && idx <= idxMax));
|
||||
|
||||
List<Exception>? exs = null;
|
||||
foreach (var file in filesToDelete)
|
||||
{
|
||||
try
|
||||
{
|
||||
_logger.LogDebug("Deleting HLS segment file {0}", file);
|
||||
_fileSystem.DeleteFile(file);
|
||||
}
|
||||
catch (IOException ex)
|
||||
{
|
||||
(exs ??= new List<Exception>()).Add(ex);
|
||||
_logger.LogDebug(ex, "Error deleting HLS segment file {Path}", file);
|
||||
}
|
||||
}
|
||||
|
||||
if (exs is not null)
|
||||
{
|
||||
throw new AggregateException("Error deleting HLS segment files", exs);
|
||||
}
|
||||
}
|
||||
|
||||
private void DisposeTimer()
|
||||
{
|
||||
if (_timer is not null)
|
||||
{
|
||||
_timer.Dispose();
|
||||
_timer = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue