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improve resiliency of recording process

This commit is contained in:
Luke Pulverenti 2016-09-14 12:21:33 -04:00
parent d611d0e717
commit 0c95297269
9 changed files with 99 additions and 43 deletions
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1
MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
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@ -205,6 +205,7 @@ namespace MediaBrowser.Api.UserLibrary
private void SetItemCounts(BaseItemDto dto, ItemCounts counts)
{
dto.ChildCount = counts.ItemCount;
dto.ProgramCount = counts.ProgramCount;
dto.SeriesCount = counts.SeriesCount;
dto.EpisodeCount = counts.EpisodeCount;
dto.MovieCount = counts.MovieCount;

1
MediaBrowser.Model/Dto/BaseItemDto.cs
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@ -826,6 +826,7 @@ namespace MediaBrowser.Model.Dto
/// </summary>
/// <value>The series count.</value>
public int? SeriesCount { get; set; }
public int? ProgramCount { get; set; }
/// <summary>
/// Gets or sets the episode count.
/// </summary>

1
MediaBrowser.Model/Dto/ItemCounts.cs
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@ -26,6 +26,7 @@
/// <value>The game count.</value>
public int GameCount { get; set; }
public int ArtistCount { get; set; }
public int ProgramCount { get; set; }
/// <summary>
/// Gets or sets the game system count.
/// </summary>

30
MediaBrowser.Providers/Movies/FanartMovieImageProvider.cs
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@ -20,6 +20,7 @@ using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Providers.TV;
namespace MediaBrowser.Providers.Movies
@ -59,30 +60,13 @@ namespace MediaBrowser.Providers.Movies
public bool Supports(IHasImages item)
{
//var channelItem = item as IChannelMediaItem;
//if (channelItem != null)
//{
// if (channelItem.ContentType == ChannelMediaContentType.Movie)
// {
// return true;
// }
// if (channelItem.ContentType == ChannelMediaContentType.MovieExtra)
// {
// if (channelItem.ExtraType == ExtraType.Trailer)
// {
// return true;
// }
// }
//}
// Supports images for tv movies
//var tvProgram = item as LiveTvProgram;
//if (tvProgram != null && tvProgram.IsMovie)
//{
// return true;
//}
var tvProgram = item as LiveTvProgram;
if (tvProgram != null && tvProgram.IsMovie)
{
return true;
}
return item is Movie || item is BoxSet || item is MusicVideo;
}

1
MediaBrowser.Server.Implementations/Dto/DtoService.cs
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@ -437,6 +437,7 @@ namespace MediaBrowser.Server.Implementations.Dto
dto.TrailerCount = taggedItems.Count(i => i is Trailer);
dto.MusicVideoCount = taggedItems.Count(i => i is MusicVideo);
dto.SeriesCount = taggedItems.Count(i => i is Series);
dto.ProgramCount = taggedItems.Count(i => i is LiveTvProgram);
dto.SongCount = taggedItems.Count(i => i is Audio);
}

35
MediaBrowser.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
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@ -61,11 +61,44 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token).Token;
}
await response.Content.CopyToAsync(output, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
await CopyUntilCancelled(response.Content, output, cancellationToken).ConfigureAwait(false);
}
}
_logger.Info("Recording completed to file {0}", targetFile);
}
private const int BufferSize = 81920;
public static async Task CopyUntilCancelled(Stream source, Stream target, CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var bytesRead = await CopyToAsyncInternal(source, target, BufferSize, cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.Debug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
await Task.Delay(100).ConfigureAwait(false);
}
}
}
private static async Task<int> CopyToAsyncInternal(Stream source, Stream destination, Int32 bufferSize, CancellationToken cancellationToken)
{
byte[] buffer = new byte[bufferSize];
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
{
await destination.WriteAsync(buffer, 0, bytesRead, cancellationToken).ConfigureAwait(false);
totalBytesRead += bytesRead;
}
return totalBytesRead;
}
}
}

10
MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
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@ -580,7 +580,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
PrePaddingSeconds = Math.Max(config.PrePaddingSeconds, 0),
RecordAnyChannel = true,
RecordAnyTime = true,
RecordNewOnly = false,
RecordNewOnly = true,
Days = new List<DayOfWeek>
{
@ -730,6 +730,9 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
return result.Item1;
}
catch (FileNotFoundException)
{
}
catch (Exception e)
{
_logger.ErrorException("Error getting channel stream", e);
@ -751,6 +754,9 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
return new Tuple<MediaSourceInfo, ITunerHost, SemaphoreSlim>(result.Item1, hostInstance, result.Item2);
}
catch (FileNotFoundException)
{
}
catch (Exception e)
{
_logger.ErrorException("Error getting channel stream", e);
@ -1213,7 +1219,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
}
// Exclude programs that have already ended
allPrograms = allPrograms.Where(i => i.EndDate > DateTime.UtcNow && i.StartDate > DateTime.UtcNow);
allPrograms = allPrograms.Where(i => i.EndDate > DateTime.UtcNow);
allPrograms = GetProgramsForSeries(seriesTimer, allPrograms);

53
MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
View File

@ -78,21 +78,33 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
var tempfile = Path.Combine(_appPaths.TranscodingTempPath, Guid.NewGuid().ToString("N") + ".ts");
try
{
await RecordWithTempFile(mediaSource, tempfile, targetFile, duration, onStarted, cancellationToken)
.ConfigureAwait(false);
}
finally
await RecordWithTempFile(mediaSource, tempfile, targetFile, duration, onStarted, cancellationToken)
.ConfigureAwait(false);
}
private async void DeleteTempFile(string path)
{
for (var i = 0; i < 10; i++)
{
try
{
File.Delete(tempfile);
File.Delete(path);
return;
}
catch (FileNotFoundException)
{
return;
}
catch (DirectoryNotFoundException)
{
return;
}
catch (Exception ex)
{
_logger.ErrorException("Error deleting recording temp file", ex);
}
await Task.Delay(1000).ConfigureAwait(false);
}
}
@ -101,7 +113,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
var durationToken = new CancellationTokenSource(duration);
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token).Token;
await RecordFromFile(mediaSource, mediaSource.Path, targetFile, duration, onStarted, cancellationToken).ConfigureAwait(false);
await RecordFromFile(mediaSource, mediaSource.Path, targetFile, false, duration, onStarted, cancellationToken).ConfigureAwait(false);
_logger.Info("Recording completed to file {0}", targetFile);
}
@ -143,14 +155,21 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token).Token;
}
var tempFileTask = response.Content.CopyToAsync(output, StreamDefaults.DefaultCopyToBufferSize, cancellationToken);
var tempFileTask = DirectRecorder.CopyUntilCancelled(response.Content, output, cancellationToken);
// Give the temp file a little time to build up
await Task.Delay(bufferMs, cancellationToken).ConfigureAwait(false);
var recordTask = Task.Run(() => RecordFromFile(mediaSource, tempFile, targetFile, duration, onStarted, cancellationToken), cancellationToken);
var recordTask = Task.Run(() => RecordFromFile(mediaSource, tempFile, targetFile, true, duration, onStarted, cancellationToken), CancellationToken.None);
await tempFileTask.ConfigureAwait(false);
try
{
await tempFileTask.ConfigureAwait(false);
}
catch (OperationCanceledException)
{
}
await recordTask.ConfigureAwait(false);
}
@ -159,7 +178,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
_logger.Info("Recording completed to file {0}", targetFile);
}
private Task RecordFromFile(MediaSourceInfo mediaSource, string inputFile, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
private Task RecordFromFile(MediaSourceInfo mediaSource, string inputFile, string targetFile, bool deleteInputFileAfterCompletion, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
_targetPath = targetFile;
_fileSystem.CreateDirectory(Path.GetDirectoryName(targetFile));
@ -200,7 +219,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(_json.SerializeToString(mediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
_logFileStream.Write(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length);
process.Exited += (sender, args) => OnFfMpegProcessExited(process);
process.Exited += (sender, args) => OnFfMpegProcessExited(process, inputFile, deleteInputFileAfterCompletion);
process.Start();
@ -309,8 +328,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
/// <summary>
/// Processes the exited.
/// </summary>
/// <param name="process">The process.</param>
private void OnFfMpegProcessExited(Process process)
private void OnFfMpegProcessExited(Process process, string inputFile, bool deleteInputFileAfterCompletion)
{
_hasExited = true;
@ -336,6 +354,11 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
_logger.Error("FFMpeg recording exited with an error for {0}.", _targetPath);
_taskCompletionSource.TrySetException(new Exception(string.Format("Recording for {0} failed", _targetPath)));
}
if (deleteInputFileAfterCompletion)
{
DeleteTempFile(inputFile);
}
}
private void DisposeLogStream()

10
MediaBrowser.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
View File

@ -6,6 +6,7 @@ using MediaBrowser.Model.Logging;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@ -195,7 +196,7 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts
}
else if (streamId.StartsWith(host.Id, StringComparison.OrdinalIgnoreCase))
{
hostsWithChannel = new List<TunerHostInfo> { host };
hostsWithChannel = new List<TunerHostInfo> {host};
streamId = streamId.Substring(host.Id.Length);
break;
}
@ -222,7 +223,8 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts
}
}
var stream = await GetChannelStream(host, channelId, streamId, cancellationToken).ConfigureAwait(false);
var stream =
await GetChannelStream(host, channelId, streamId, cancellationToken).ConfigureAwait(false);
if (EnableMediaProbing)
{
@ -239,6 +241,10 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts
}
}
}
else
{
throw new FileNotFoundException();
}
throw new LiveTvConflictException();
}