add recording encoding setting

This commit is contained in:
Luke Pulverenti 2016-02-12 02:01:38 -05:00
parent b30bd9a1df
commit fe741f9fda
6 changed files with 348 additions and 17 deletions

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@ -8,6 +8,7 @@ namespace MediaBrowser.Model.LiveTv
public bool EnableMovieProviders { get; set; }
public string RecordingPath { get; set; }
public bool EnableAutoOrganize { get; set; }
public bool EnableRecordingEncoding { get; set; }
public List<TunerHostInfo> TunerHosts { get; set; }
public List<ListingsProviderInfo> ListingProviders { get; set; }

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@ -0,0 +1,50 @@
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Logging;
namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
{
public class DirectRecorder : IRecorder
{
private readonly ILogger _logger;
private readonly IHttpClient _httpClient;
private readonly IFileSystem _fileSystem;
public DirectRecorder(ILogger logger, IHttpClient httpClient, IFileSystem fileSystem)
{
_logger = logger;
_httpClient = httpClient;
_fileSystem = fileSystem;
}
public async Task Record(MediaSourceInfo mediaSource, string targetFile, Action onStarted, CancellationToken cancellationToken)
{
var httpRequestOptions = new HttpRequestOptions()
{
Url = mediaSource.Path
};
httpRequestOptions.BufferContent = false;
using (var response = await _httpClient.SendAsync(httpRequestOptions, "GET").ConfigureAwait(false))
{
_logger.Info("Opened recording stream from tuner provider");
using (var output = _fileSystem.GetFileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read))
{
onStarted();
_logger.Info("Copying recording stream to file stream");
await response.Content.CopyToAsync(output, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
}
}
}
}
}

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@ -764,10 +764,12 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
var duration = recordingEndDate - DateTime.UtcNow;
HttpRequestOptions httpRequestOptions = new HttpRequestOptions()
var recorder = await GetRecorder().ConfigureAwait(false);
if (recorder is EncodedRecorder)
{
Url = mediaStreamInfo.Path
};
recordPath = Path.ChangeExtension(recordPath, ".mp4");
}
recording.Path = recordPath;
recording.Status = RecordingStatus.InProgress;
@ -776,26 +778,19 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
_logger.Info("Beginning recording. Will record for {0} minutes.", duration.TotalMinutes.ToString(CultureInfo.InvariantCulture));
httpRequestOptions.BufferContent = false;
var durationToken = new CancellationTokenSource(duration);
var linkedToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token).Token;
httpRequestOptions.CancellationToken = linkedToken;
_logger.Info("Writing file to path: " + recordPath);
_logger.Info("Opening recording stream from tuner provider");
using (var response = await _httpClient.SendAsync(httpRequestOptions, "GET").ConfigureAwait(false))
Action onStarted = () =>
{
_logger.Info("Opened recording stream from tuner provider");
result.Item2.Release();
isResourceOpen = false;
};
using (var output = _fileSystem.GetFileStream(recordPath, FileMode.Create, FileAccess.Write, FileShare.Read))
{
result.Item2.Release();
isResourceOpen = false;
_logger.Info("Copying recording stream to file stream");
await response.Content.CopyToAsync(output, StreamDefaults.DefaultCopyToBufferSize, linkedToken).ConfigureAwait(false);
}
}
await recorder.Record(mediaStreamInfo, recordPath, onStarted, linkedToken).ConfigureAwait(false);
recording.Status = RecordingStatus.Completed;
_logger.Info("Recording completed");
@ -846,6 +841,21 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
}
}
private async Task<IRecorder> GetRecorder()
{
if (GetConfiguration().EnableRecordingEncoding)
{
var regInfo = await _security.GetRegistrationStatus("embytvseriesrecordings").ConfigureAwait(false);
if (regInfo.IsValid)
{
return new EncodedRecorder(_logger, _fileSystem, _mediaEncoder, _config.ApplicationPaths, _jsonSerializer);
}
}
return new DirectRecorder(_logger, _httpClient, _fileSystem);
}
private async void OnSuccessfulRecording(RecordingInfo recording)
{
if (GetConfiguration().EnableAutoOrganize)

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@ -0,0 +1,255 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
{
public class EncodedRecorder : IRecorder
{
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
private readonly IMediaEncoder _mediaEncoder;
private readonly IApplicationPaths _appPaths;
private bool _hasExited;
private Stream _logFileStream;
private string _targetPath;
private Process _process;
private readonly IJsonSerializer _json;
public EncodedRecorder(ILogger logger, IFileSystem fileSystem, IMediaEncoder mediaEncoder, IApplicationPaths appPaths, IJsonSerializer json)
{
_logger = logger;
_fileSystem = fileSystem;
_mediaEncoder = mediaEncoder;
_appPaths = appPaths;
_json = json;
}
public async Task Record(MediaSourceInfo mediaSource, string targetFile, Action onStarted, CancellationToken cancellationToken)
{
_targetPath = targetFile;
_fileSystem.CreateDirectory(Path.GetDirectoryName(targetFile));
var process = new Process
{
StartInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
// Must consume both stdout and stderr or deadlocks may occur
RedirectStandardOutput = true,
RedirectStandardError = true,
RedirectStandardInput = true,
FileName = _mediaEncoder.EncoderPath,
Arguments = GetCommandLineArgs(mediaSource, targetFile),
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
},
EnableRaisingEvents = true
};
_process = process;
var commandLineLogMessage = process.StartInfo.FileName + " " + process.StartInfo.Arguments;
_logger.Info(commandLineLogMessage);
var logFilePath = Path.Combine(_appPaths.LogDirectoryPath, "record-transcode-" + Guid.NewGuid() + ".txt");
_fileSystem.CreateDirectory(Path.GetDirectoryName(logFilePath));
// FFMpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
_logFileStream = _fileSystem.GetFileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, true);
var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(_json.SerializeToString(mediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
await _logFileStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationToken).ConfigureAwait(false);
process.Exited += (sender, args) => OnFfMpegProcessExited(process);
process.Start();
cancellationToken.Register(Stop);
// MUST read both stdout and stderr asynchronously or a deadlock may occurr
process.BeginOutputReadLine();
// Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
StartStreamingLog(process.StandardError.BaseStream, _logFileStream);
// Wait for the file to exist before proceeeding
while (!_hasExited)
{
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
}
private string GetCommandLineArgs(MediaSourceInfo mediaSource, string targetFile)
{
string videoArgs;
if (EncodeVideo(mediaSource))
{
var maxBitrate = 25000000;
videoArgs = string.Format(
"-codec:v:0 libx264 -force_key_frames expr:gte(t,n_forced*5) {0} -pix_fmt yuv420p -preset superfast -crf 23 -b:v {1} -maxrate {1} -bufsize ({1}*2) -vsync vfr -profile:v high -level 41",
GetOutputSizeParam(),
maxBitrate.ToString(CultureInfo.InvariantCulture));
}
else
{
videoArgs = "-codec:v:0 copy";
}
var commandLineArgs = "-fflags +genpts -i \"{0}\" -sn {2} -map_metadata -1 -threads 0 {3} -y \"{1}\"";
if (mediaSource.ReadAtNativeFramerate)
{
commandLineArgs = "-re " + commandLineArgs;
}
commandLineArgs = string.Format(commandLineArgs, mediaSource.Path, targetFile, videoArgs, GetAudioArgs(mediaSource));
return commandLineArgs;
}
private string GetAudioArgs(MediaSourceInfo mediaSource)
{
var copyAudio = new[] {"aac", "mp3"};
var mediaStreams = mediaSource.MediaStreams ?? new List<MediaStream>();
if (mediaStreams.Any(i => i.Type == MediaStreamType.Audio && copyAudio.Contains(i.Codec, StringComparer.OrdinalIgnoreCase)))
{
return "-codec:a:0 copy";
}
var audioChannels = 2;
var audioStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
if (audioStream != null)
{
audioChannels = audioStream.Channels ?? audioChannels;
}
return "-codec:a:0 aac -strict experimental -ab 320000 -ac " + audioChannels.ToString(CultureInfo.InvariantCulture);
}
private bool EncodeVideo(MediaSourceInfo mediaSource)
{
var mediaStreams = mediaSource.MediaStreams ?? new List<MediaStream>();
return !mediaStreams.Any(i => i.Type == MediaStreamType.Video && string.Equals(i.Codec, "h264", StringComparison.OrdinalIgnoreCase));
}
protected string GetOutputSizeParam()
{
var filters = new List<string>();
filters.Add("yadif=0:-1:0");
var output = string.Empty;
if (filters.Count > 0)
{
output += string.Format(" -vf \"{0}\"", string.Join(",", filters.ToArray()));
}
return output;
}
private void Stop()
{
if (!_hasExited)
{
try
{
_logger.Info("Killing ffmpeg recording process for {0}", _targetPath);
//process.Kill();
_process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
_process.WaitForExit(5000);
}
catch (Exception ex)
{
_logger.ErrorException("Error killing transcoding job for {0}", ex, _targetPath);
}
}
}
/// <summary>
/// Processes the exited.
/// </summary>
/// <param name="process">The process.</param>
private void OnFfMpegProcessExited(Process process)
{
_hasExited = true;
_logger.Debug("Disposing stream resources");
DisposeLogStream();
try
{
_logger.Info("FFMpeg exited with code {0}", process.ExitCode);
}
catch
{
_logger.Error("FFMpeg exited with an error.");
}
}
private void DisposeLogStream()
{
if (_logFileStream != null)
{
try
{
_logFileStream.Dispose();
}
catch (Exception ex)
{
_logger.ErrorException("Error disposing log stream", ex);
}
_logFileStream = null;
}
}
private async void StartStreamingLog(Stream source, Stream target)
{
try
{
using (var reader = new StreamReader(source))
{
while (!reader.EndOfStream)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line);
await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
await target.FlushAsync().ConfigureAwait(false);
}
}
}
catch (ObjectDisposedException)
{
// Don't spam the log. This doesn't seem to throw in windows, but sometimes under linux
}
catch (Exception ex)
{
_logger.ErrorException("Error reading ffmpeg log", ex);
}
}
}
}

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@ -0,0 +1,12 @@
using System;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Model.Dto;
namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV
{
public interface IRecorder
{
Task Record(MediaSourceInfo mediaSource, string targetFile, Action onStarted, CancellationToken cancellationToken);
}
}

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@ -215,8 +215,11 @@
<Compile Include="Library\Validators\StudiosValidator.cs" />
<Compile Include="Library\Validators\YearsPostScanTask.cs" />
<Compile Include="LiveTv\ChannelImageProvider.cs" />
<Compile Include="LiveTv\EmbyTV\DirectRecorder.cs" />
<Compile Include="LiveTv\EmbyTV\EmbyTV.cs" />
<Compile Include="LiveTv\EmbyTV\EncodedRecorder.cs" />
<Compile Include="LiveTv\EmbyTV\EntryPoint.cs" />
<Compile Include="LiveTv\EmbyTV\IRecorder.cs" />
<Compile Include="LiveTv\EmbyTV\ItemDataProvider.cs" />
<Compile Include="LiveTv\EmbyTV\RecordingHelper.cs" />
<Compile Include="LiveTv\EmbyTV\SeriesTimerManager.cs" />