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actually remove MediaBrowser.Api

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pull/3811/head
crobibero 4 years ago
parent 9e00aa3014
commit e64924f4d3
20 changed files with 0 additions and 5220 deletions
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678
MediaBrowser.Api/ApiEntryPoint.cs
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@ -1,678 +0,0 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Api.Playback;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Session;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
/// <summary>
/// Class ServerEntryPoint.
/// </summary>
public class ApiEntryPoint : IServerEntryPoint
{
/// <summary>
/// The instance.
/// </summary>
public static ApiEntryPoint Instance;
/// <summary>
/// The logger.
/// </summary>
private ILogger<ApiEntryPoint> _logger;
/// <summary>
/// The configuration manager.
/// </summary>
private IServerConfigurationManager _serverConfigurationManager;
private readonly ISessionManager _sessionManager;
private readonly IFileSystem _fileSystem;
private readonly IMediaSourceManager _mediaSourceManager;
/// <summary>
/// The active transcoding jobs.
/// </summary>
private readonly List<TranscodingJob> _activeTranscodingJobs = new List<TranscodingJob>();
private readonly Dictionary<string, SemaphoreSlim> _transcodingLocks =
new Dictionary<string, SemaphoreSlim>();
private bool _disposed = false;
/// <summary>
/// Initializes a new instance of the <see cref="ApiEntryPoint" /> class.
/// </summary>
/// <param name="logger">The logger.</param>
/// <param name="sessionManager">The session manager.</param>
/// <param name="config">The configuration.</param>
/// <param name="fileSystem">The file system.</param>
/// <param name="mediaSourceManager">The media source manager.</param>
public ApiEntryPoint(
ILogger<ApiEntryPoint> logger,
ISessionManager sessionManager,
IServerConfigurationManager config,
IFileSystem fileSystem,
IMediaSourceManager mediaSourceManager)
{
_logger = logger;
_sessionManager = sessionManager;
_serverConfigurationManager = config;
_fileSystem = fileSystem;
_mediaSourceManager = mediaSourceManager;
_sessionManager.PlaybackProgress += OnPlaybackProgress;
_sessionManager.PlaybackStart += OnPlaybackStart;
Instance = this;
}
public static string[] Split(string value, char separator, bool removeEmpty)
{
if (string.IsNullOrWhiteSpace(value))
{
return Array.Empty<string>();
}
return removeEmpty
? value.Split(new[] { separator }, StringSplitOptions.RemoveEmptyEntries)
: value.Split(separator);
}
public SemaphoreSlim GetTranscodingLock(string outputPath)
{
lock (_transcodingLocks)
{
if (!_transcodingLocks.TryGetValue(outputPath, out SemaphoreSlim result))
{
result = new SemaphoreSlim(1, 1);
_transcodingLocks[outputPath] = result;
}
return result;
}
}
private void OnPlaybackStart(object sender, PlaybackProgressEventArgs e)
{
if (!string.IsNullOrWhiteSpace(e.PlaySessionId))
{
PingTranscodingJob(e.PlaySessionId, e.IsPaused);
}
}
private void OnPlaybackProgress(object sender, PlaybackProgressEventArgs e)
{
if (!string.IsNullOrWhiteSpace(e.PlaySessionId))
{
PingTranscodingJob(e.PlaySessionId, e.IsPaused);
}
}
/// <summary>
/// Runs this instance.
/// </summary>
public Task RunAsync()
{
try
{
DeleteEncodedMediaCache();
}
catch (Exception ex)
{
_logger.LogError(ex, "Error deleting encoded media cache");
}
return Task.CompletedTask;
}
/// <summary>
/// Deletes the encoded media cache.
/// </summary>
private void DeleteEncodedMediaCache()
{
var path = _serverConfigurationManager.GetTranscodePath();
if (!Directory.Exists(path))
{
return;
}
foreach (var file in _fileSystem.GetFilePaths(path, true))
{
_fileSystem.DeleteFile(file);
}
}
/// <inheritdoc />
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool dispose)
{
if (_disposed)
{
return;
}
if (dispose)
{
// TODO: dispose
}
var jobs = _activeTranscodingJobs.ToList();
var jobCount = jobs.Count;
IEnumerable<Task> GetKillJobs()
{
foreach (var job in jobs)
{
yield return KillTranscodingJob(job, false, path => true);
}
}
// Wait for all processes to be killed
if (jobCount > 0)
{
Task.WaitAll(GetKillJobs().ToArray());
}
_activeTranscodingJobs.Clear();
_transcodingLocks.Clear();
_sessionManager.PlaybackProgress -= OnPlaybackProgress;
_sessionManager.PlaybackStart -= OnPlaybackStart;
_disposed = true;
}
/// <summary>
/// Called when [transcode beginning].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="playSessionId">The play session identifier.</param>
/// <param name="liveStreamId">The live stream identifier.</param>
/// <param name="transcodingJobId">The transcoding job identifier.</param>
/// <param name="type">The type.</param>
/// <param name="process">The process.</param>
/// <param name="deviceId">The device id.</param>
/// <param name="state">The state.</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>TranscodingJob.</returns>
public TranscodingJob OnTranscodeBeginning(
string path,
string playSessionId,
string liveStreamId,
string transcodingJobId,
TranscodingJobType type,
Process process,
string deviceId,
StreamState state,
CancellationTokenSource cancellationTokenSource)
{
lock (_activeTranscodingJobs)
{
var job = new TranscodingJob(_logger)
{
Type = type,
Path = path,
Process = process,
ActiveRequestCount = 1,
DeviceId = deviceId,
CancellationTokenSource = cancellationTokenSource,
Id = transcodingJobId,
PlaySessionId = playSessionId,
LiveStreamId = liveStreamId,
MediaSource = state.MediaSource
};
_activeTranscodingJobs.Add(job);
ReportTranscodingProgress(job, state, null, null, null, null, null);
return job;
}
}
public void ReportTranscodingProgress(TranscodingJob job, StreamState state, TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
{
var ticks = transcodingPosition?.Ticks;
if (job != null)
{
job.Framerate = framerate;
job.CompletionPercentage = percentComplete;
job.TranscodingPositionTicks = ticks;
job.BytesTranscoded = bytesTranscoded;
job.BitRate = bitRate;
}
var deviceId = state.Request.DeviceId;
if (!string.IsNullOrWhiteSpace(deviceId))
{
var audioCodec = state.ActualOutputAudioCodec;
var videoCodec = state.ActualOutputVideoCodec;
_sessionManager.ReportTranscodingInfo(deviceId, new TranscodingInfo
{
Bitrate = bitRate ?? state.TotalOutputBitrate,
AudioCodec = audioCodec,
VideoCodec = videoCodec,
Container = state.OutputContainer,
Framerate = framerate,
CompletionPercentage = percentComplete,
Width = state.OutputWidth,
Height = state.OutputHeight,
AudioChannels = state.OutputAudioChannels,
IsAudioDirect = EncodingHelper.IsCopyCodec(state.OutputAudioCodec),
IsVideoDirect = EncodingHelper.IsCopyCodec(state.OutputVideoCodec),
TranscodeReasons = state.TranscodeReasons
});
}
}
/// <summary>
/// <summary>
/// The progressive.
/// </summary>
/// Called when [transcode failed to start].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="type">The type.</param>
/// <param name="state">The state.</param>
public void OnTranscodeFailedToStart(string path, TranscodingJobType type, StreamState state)
{
lock (_activeTranscodingJobs)
{
var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
if (job != null)
{
_activeTranscodingJobs.Remove(job);
}
}
lock (_transcodingLocks)
{
_transcodingLocks.Remove(path);
}
if (!string.IsNullOrWhiteSpace(state.Request.DeviceId))
{
_sessionManager.ClearTranscodingInfo(state.Request.DeviceId);
}
}
/// <summary>
/// Determines whether [has active transcoding job] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="type">The type.</param>
/// <returns><c>true</c> if [has active transcoding job] [the specified path]; otherwise, <c>false</c>.</returns>
public bool HasActiveTranscodingJob(string path, TranscodingJobType type)
{
return GetTranscodingJob(path, type) != null;
}
public TranscodingJob GetTranscodingJob(string path, TranscodingJobType type)
{
lock (_activeTranscodingJobs)
{
return _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
}
}
public TranscodingJob GetTranscodingJob(string playSessionId)
{
lock (_activeTranscodingJobs)
{
return _activeTranscodingJobs.FirstOrDefault(j => string.Equals(j.PlaySessionId, playSessionId, StringComparison.OrdinalIgnoreCase));
}
}
/// <summary>
/// Called when [transcode begin request].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="type">The type.</param>
public TranscodingJob OnTranscodeBeginRequest(string path, TranscodingJobType type)
{
lock (_activeTranscodingJobs)
{
var job = _activeTranscodingJobs.FirstOrDefault(j => j.Type == type && string.Equals(j.Path, path, StringComparison.OrdinalIgnoreCase));
if (job == null)
{
return null;
}
OnTranscodeBeginRequest(job);
return job;
}
}
public void OnTranscodeBeginRequest(TranscodingJob job)
{
job.ActiveRequestCount++;
if (string.IsNullOrWhiteSpace(job.PlaySessionId) || job.Type == TranscodingJobType.Progressive)
{
job.StopKillTimer();
}
}
public void OnTranscodeEndRequest(TranscodingJob job)
{
job.ActiveRequestCount--;
_logger.LogDebug("OnTranscodeEndRequest job.ActiveRequestCount={0}", job.ActiveRequestCount);
if (job.ActiveRequestCount <= 0)
{
PingTimer(job, false);
}
}
internal void PingTranscodingJob(string playSessionId, bool? isUserPaused)
{
if (string.IsNullOrEmpty(playSessionId))
{
throw new ArgumentNullException(nameof(playSessionId));
}
_logger.LogDebug("PingTranscodingJob PlaySessionId={0} isUsedPaused: {1}", playSessionId, isUserPaused);
List<TranscodingJob> jobs;
lock (_activeTranscodingJobs)
{
// This is really only needed for HLS.
// Progressive streams can stop on their own reliably
jobs = _activeTranscodingJobs.Where(j => string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase)).ToList();
}
foreach (var job in jobs)
{
if (isUserPaused.HasValue)
{
_logger.LogDebug("Setting job.IsUserPaused to {0}. jobId: {1}", isUserPaused, job.Id);
job.IsUserPaused = isUserPaused.Value;
}
PingTimer(job, true);
}
}
private void PingTimer(TranscodingJob job, bool isProgressCheckIn)
{
if (job.HasExited)
{
job.StopKillTimer();
return;
}
var timerDuration = 10000;
if (job.Type != TranscodingJobType.Progressive)
{
timerDuration = 60000;
}
job.PingTimeout = timerDuration;
job.LastPingDate = DateTime.UtcNow;
// Don't start the timer for playback checkins with progressive streaming
if (job.Type != TranscodingJobType.Progressive || !isProgressCheckIn)
{
job.StartKillTimer(OnTranscodeKillTimerStopped);
}
else
{
job.ChangeKillTimerIfStarted();
}
}
/// <summary>
/// Called when [transcode kill timer stopped].
/// </summary>
/// <param name="state">The state.</param>
private async void OnTranscodeKillTimerStopped(object state)
{
var job = (TranscodingJob)state;
if (!job.HasExited && job.Type != TranscodingJobType.Progressive)
{
var timeSinceLastPing = (DateTime.UtcNow - job.LastPingDate).TotalMilliseconds;
if (timeSinceLastPing < job.PingTimeout)
{
job.StartKillTimer(OnTranscodeKillTimerStopped, job.PingTimeout);
return;
}
}
_logger.LogInformation("Transcoding kill timer stopped for JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
await KillTranscodingJob(job, true, path => true);
}
/// <summary>
/// Kills the single transcoding job.
/// </summary>
/// <param name="deviceId">The device id.</param>
/// <param name="playSessionId">The play session identifier.</param>
/// <param name="deleteFiles">The delete files.</param>
/// <returns>Task.</returns>
internal Task KillTranscodingJobs(string deviceId, string playSessionId, Func<string, bool> deleteFiles)
{
return KillTranscodingJobs(j => string.IsNullOrWhiteSpace(playSessionId)
? string.Equals(deviceId, j.DeviceId, StringComparison.OrdinalIgnoreCase)
: string.Equals(playSessionId, j.PlaySessionId, StringComparison.OrdinalIgnoreCase), deleteFiles);
}
/// <summary>
/// Kills the transcoding jobs.
/// </summary>
/// <param name="killJob">The kill job.</param>
/// <param name="deleteFiles">The delete files.</param>
/// <returns>Task.</returns>
private Task KillTranscodingJobs(Func<TranscodingJob, bool> killJob, Func<string, bool> deleteFiles)
{
var jobs = new List<TranscodingJob>();
lock (_activeTranscodingJobs)
{
// This is really only needed for HLS.
// Progressive streams can stop on their own reliably
jobs.AddRange(_activeTranscodingJobs.Where(killJob));
}
if (jobs.Count == 0)
{
return Task.CompletedTask;
}
IEnumerable<Task> GetKillJobs()
{
foreach (var job in jobs)
{
yield return KillTranscodingJob(job, false, deleteFiles);
}
}
return Task.WhenAll(GetKillJobs());
}
/// <summary>
/// Kills the transcoding job.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="closeLiveStream">if set to <c>true</c> [close live stream].</param>
/// <param name="delete">The delete.</param>
private async Task KillTranscodingJob(TranscodingJob job, bool closeLiveStream, Func<string, bool> delete)
{
job.DisposeKillTimer();
_logger.LogDebug("KillTranscodingJob - JobId {0} PlaySessionId {1}. Killing transcoding", job.Id, job.PlaySessionId);
lock (_activeTranscodingJobs)
{
_activeTranscodingJobs.Remove(job);
if (!job.CancellationTokenSource.IsCancellationRequested)
{
job.CancellationTokenSource.Cancel();
}
}
lock (_transcodingLocks)
{
_transcodingLocks.Remove(job.Path);
}
lock (job.ProcessLock)
{
job.TranscodingThrottler?.Stop().GetAwaiter().GetResult();
var process = job.Process;
var hasExited = job.HasExited;
if (!hasExited)
{
try
{
_logger.LogInformation("Stopping ffmpeg process with q command for {Path}", job.Path);
process.StandardInput.WriteLine("q");
// Need to wait because killing is asynchronous
if (!process.WaitForExit(5000))
{
_logger.LogInformation("Killing ffmpeg process for {Path}", job.Path);
process.Kill();
}
}
catch (InvalidOperationException)
{
}
}
}
if (delete(job.Path))
{
await DeletePartialStreamFiles(job.Path, job.Type, 0, 1500).ConfigureAwait(false);
}
if (closeLiveStream && !string.IsNullOrWhiteSpace(job.LiveStreamId))
{
try
{
await _mediaSourceManager.CloseLiveStream(job.LiveStreamId).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error closing live stream for {Path}", job.Path);
}
}
}
private async Task DeletePartialStreamFiles(string path, TranscodingJobType jobType, int retryCount, int delayMs)
{
if (retryCount >= 10)
{
return;
}
_logger.LogInformation("Deleting partial stream file(s) {Path}", path);
await Task.Delay(delayMs).ConfigureAwait(false);
try
{
if (jobType == TranscodingJobType.Progressive)
{
DeleteProgressivePartialStreamFiles(path);
}
else
{
DeleteHlsPartialStreamFiles(path);
}
}
catch (IOException ex)
{
_logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path);
await DeletePartialStreamFiles(path, jobType, retryCount + 1, 500).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error deleting partial stream file(s) {Path}", path);
}
}
/// <summary>
/// Deletes the progressive partial stream files.
/// </summary>
/// <param name="outputFilePath">The output file path.</param>
private void DeleteProgressivePartialStreamFiles(string outputFilePath)
{
if (File.Exists(outputFilePath))
{
_fileSystem.DeleteFile(outputFilePath);
}
}
/// <summary>
/// Deletes the HLS partial stream files.
/// </summary>
/// <param name="outputFilePath">The output file path.</param>
private void DeleteHlsPartialStreamFiles(string outputFilePath)
{
var directory = Path.GetDirectoryName(outputFilePath);
var name = Path.GetFileNameWithoutExtension(outputFilePath);
var filesToDelete = _fileSystem.GetFilePaths(directory)
.Where(f => f.IndexOf(name, StringComparison.OrdinalIgnoreCase) != -1);
List<Exception> exs = null;
foreach (var file in filesToDelete)
{
try
{
_logger.LogDebug("Deleting HLS file {0}", file);
_fileSystem.DeleteFile(file);
}
catch (IOException ex)
{
(exs ??= new List<Exception>(4)).Add(ex);
_logger.LogError(ex, "Error deleting HLS file {Path}", file);
}
}
if (exs != null)
{
throw new AggregateException("Error deleting HLS files", exs);
}
}
}
}

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MediaBrowser.Api/BaseApiService.cs
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using System;
using System.IO;
using System.Linq;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using MediaBrowser.Model.Services;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
/// <summary>
/// Class BaseApiService.
/// </summary>
public abstract class BaseApiService : IService, IRequiresRequest
{
public BaseApiService(
ILogger<BaseApiService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory)
{
Logger = logger;
ServerConfigurationManager = serverConfigurationManager;
ResultFactory = httpResultFactory;
}
/// <summary>
/// Gets the logger.
/// </summary>
/// <value>The logger.</value>
protected ILogger<BaseApiService> Logger { get; }
/// <summary>
/// Gets or sets the server configuration manager.
/// </summary>
/// <value>The server configuration manager.</value>
protected IServerConfigurationManager ServerConfigurationManager { get; }
/// <summary>
/// Gets the HTTP result factory.
/// </summary>
/// <value>The HTTP result factory.</value>
protected IHttpResultFactory ResultFactory { get; }
/// <summary>
/// Gets or sets the request context.
/// </summary>
/// <value>The request context.</value>
public IRequest Request { get; set; }
public string GetHeader(string name) => Request.Headers[name];
public static string[] SplitValue(string value, char delim)
{
return value == null
? Array.Empty<string>()
: value.Split(new[] { delim }, StringSplitOptions.RemoveEmptyEntries);
}
public static Guid[] GetGuids(string value)
{
if (value == null)
{
return Array.Empty<Guid>();
}
return value.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(i => new Guid(i))
.ToArray();
}
/// <summary>
/// To the optimized result.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="result">The result.</param>
/// <returns>System.Object.</returns>
protected object ToOptimizedResult<T>(T result)
where T : class
{
return ResultFactory.GetResult(Request, result);
}
protected void AssertCanUpdateUser(IAuthorizationContext authContext, IUserManager userManager, Guid userId, bool restrictUserPreferences)
{
var auth = authContext.GetAuthorizationInfo(Request);
var authenticatedUser = auth.User;
// If they're going to update the record of another user, they must be an administrator
if ((!userId.Equals(auth.UserId) && !authenticatedUser.HasPermission(PermissionKind.IsAdministrator))
|| (restrictUserPreferences && !authenticatedUser.EnableUserPreferenceAccess))
{
throw new SecurityException("Unauthorized access.");
}
}
/// <summary>
/// Gets the session.
/// </summary>
/// <returns>SessionInfo.</returns>
protected SessionInfo GetSession(ISessionContext sessionContext)
{
var session = sessionContext.GetSession(Request);
if (session == null)
{
throw new ArgumentException("Session not found.");
}
return session;
}
protected DtoOptions GetDtoOptions(IAuthorizationContext authContext, object request)
{
var options = new DtoOptions();
if (request is IHasItemFields hasFields)
{
options.Fields = hasFields.GetItemFields();
}
if (!options.ContainsField(ItemFields.RecursiveItemCount)
|| !options.ContainsField(ItemFields.ChildCount))
{
var client = authContext.GetAuthorizationInfo(Request).Client ?? string.Empty;
if (client.IndexOf("kodi", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("wmc", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("media center", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("classic", StringComparison.OrdinalIgnoreCase) != -1)
{
int oldLen = options.Fields.Length;
var arr = new ItemFields[oldLen + 1];
options.Fields.CopyTo(arr, 0);
arr[oldLen] = ItemFields.RecursiveItemCount;
options.Fields = arr;
}
if (client.IndexOf("kodi", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("wmc", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("media center", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("classic", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("roku", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("samsung", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("androidtv", StringComparison.OrdinalIgnoreCase) != -1)
{
int oldLen = options.Fields.Length;
var arr = new ItemFields[oldLen + 1];
options.Fields.CopyTo(arr, 0);
arr[oldLen] = ItemFields.ChildCount;
options.Fields = arr;
}
}
if (request is IHasDtoOptions hasDtoOptions)
{
options.EnableImages = hasDtoOptions.EnableImages ?? true;
if (hasDtoOptions.ImageTypeLimit.HasValue)
{
options.ImageTypeLimit = hasDtoOptions.ImageTypeLimit.Value;
}
if (hasDtoOptions.EnableUserData.HasValue)
{
options.EnableUserData = hasDtoOptions.EnableUserData.Value;
}
if (!string.IsNullOrWhiteSpace(hasDtoOptions.EnableImageTypes))
{
options.ImageTypes = hasDtoOptions.EnableImageTypes.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(v => (ImageType)Enum.Parse(typeof(ImageType), v, true))
.ToArray();
}
}
return options;
}
protected MusicArtist GetArtist(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName<MusicArtist>(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetArtist(name, dtoOptions);
}
protected Studio GetStudio(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName<Studio>(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetStudio(name);
}
protected Genre GetGenre(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName<Genre>(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetGenre(name);
}
protected MusicGenre GetMusicGenre(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName<MusicGenre>(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetMusicGenre(name);
}
protected Person GetPerson(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName<Person>(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetPerson(name);
}
private T GetItemFromSlugName<T>(ILibraryManager libraryManager, string name, DtoOptions dtoOptions)
where T : BaseItem, new()
{
var result = libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '&'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType<T>().FirstOrDefault();
result ??= libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '/'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType<T>().FirstOrDefault();
result ??= libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '?'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType<T>().FirstOrDefault();
return result;
}
/// <summary>
/// Gets the path segment at the specified index.
/// </summary>
/// <param name="index">The index of the path segment.</param>
/// <returns>The path segment at the specified index.</returns>
/// <exception cref="IndexOutOfRangeException" >Path doesn't contain enough segments.</exception>
/// <exception cref="InvalidDataException" >Path doesn't start with the base url.</exception>
protected internal ReadOnlySpan<char> GetPathValue(int index)
{
static void ThrowIndexOutOfRangeException()
=> throw new IndexOutOfRangeException("Path doesn't contain enough segments.");
static void ThrowInvalidDataException()
=> throw new InvalidDataException("Path doesn't start with the base url.");
ReadOnlySpan<char> path = Request.PathInfo;
// Remove the protocol part from the url
int pos = path.LastIndexOf("://");
if (pos != -1)
{
path = path.Slice(pos + 3);
}
// Remove the query string
pos = path.LastIndexOf('?');
if (pos != -1)
{
path = path.Slice(0, pos);
}
// Remove the domain
pos = path.IndexOf('/');
if (pos != -1)
{
path = path.Slice(pos);
}
// Remove base url
string baseUrl = ServerConfigurationManager.Configuration.BaseUrl;
int baseUrlLen = baseUrl.Length;
if (baseUrlLen != 0)
{
if (path.StartsWith(baseUrl, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(baseUrlLen);
}
else
{
// The path doesn't start with the base url,
// how did we get here?
ThrowInvalidDataException();
}
}
// Remove leading /
path = path.Slice(1);
// Backwards compatibility
const string Emby = "emby/";
if (path.StartsWith(Emby, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(Emby.Length);
}
const string MediaBrowser = "mediabrowser/";
if (path.StartsWith(MediaBrowser, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(MediaBrowser.Length);
}
// Skip segments until we are at the right index
for (int i = 0; i < index; i++)
{
pos = path.IndexOf('/');
if (pos == -1)
{
ThrowIndexOutOfRangeException();
}
path = path.Slice(pos + 1);
}
// Remove the rest
pos = path.IndexOf('/');
if (pos != -1)
{
path = path.Slice(0, pos);
}
return path;
}
/// <summary>
/// Gets the name of the item by.
/// </summary>
protected BaseItem GetItemByName(string name, string type, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (type.Equals("Person", StringComparison.OrdinalIgnoreCase))
{
return GetPerson(name, libraryManager, dtoOptions);
}
else if (type.Equals("Artist", StringComparison.OrdinalIgnoreCase))
{
return GetArtist(name, libraryManager, dtoOptions);
}
else if (type.Equals("Genre", StringComparison.OrdinalIgnoreCase))
{
return GetGenre(name, libraryManager, dtoOptions);
}
else if (type.Equals("MusicGenre", StringComparison.OrdinalIgnoreCase))
{
return GetMusicGenre(name, libraryManager, dtoOptions);
}
else if (type.Equals("Studio", StringComparison.OrdinalIgnoreCase))
{
return GetStudio(name, libraryManager, dtoOptions);
}
else if (type.Equals("Year", StringComparison.OrdinalIgnoreCase))
{
return libraryManager.GetYear(int.Parse(name));
}
throw new ArgumentException("Invalid type", nameof(type));
}
}
}

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MediaBrowser.Api/IHasDtoOptions.cs
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namespace MediaBrowser.Api
{
public interface IHasDtoOptions : IHasItemFields
{
bool? EnableImages { get; set; }
bool? EnableUserData { get; set; }
int? ImageTypeLimit { get; set; }
string EnableImageTypes { get; set; }
}
}

49
MediaBrowser.Api/IHasItemFields.cs
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using System;
using System.Linq;
using MediaBrowser.Model.Querying;
namespace MediaBrowser.Api
{
/// <summary>
/// Interface IHasItemFields.
/// </summary>
public interface IHasItemFields
{
/// <summary>
/// Gets or sets the fields.
/// </summary>
/// <value>The fields.</value>
string Fields { get; set; }
}
/// <summary>
/// Class ItemFieldsExtensions.
/// </summary>
public static class ItemFieldsExtensions
{
/// <summary>
/// Gets the item fields.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>IEnumerable{ItemFields}.</returns>
public static ItemFields[] GetItemFields(this IHasItemFields request)
{
var val = request.Fields;
if (string.IsNullOrEmpty(val))
{
return Array.Empty<ItemFields>();
}
return val.Split(',').Select(v =>
{
if (Enum.TryParse(v, true, out ItemFields value))
{
return (ItemFields?)value;
}
return null;
}).Where(i => i.HasValue).Select(i => i.Value).ToArray();
}
}
}

29
MediaBrowser.Api/MediaBrowser.Api.csproj
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<Project Sdk="Microsoft.NET.Sdk">
<!-- ProjectGuid is only included as a requirement for SonarQube analysis -->
<PropertyGroup>
<ProjectGuid>{4FD51AC5-2C16-4308-A993-C3A84F3B4582}</ProjectGuid>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\MediaBrowser.Model\MediaBrowser.Model.csproj" />
<ProjectReference Include="..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\SharedVersion.cs" />
<Compile Remove="Images\ImageService.cs" />
</ItemGroup>
<ItemGroup>
<Folder Include="Sessions" />
<Folder Include="System" />
</ItemGroup>
<PropertyGroup>
<TargetFramework>netstandard2.1</TargetFramework>
<GenerateAssemblyInfo>false</GenerateAssemblyInfo>
<GenerateDocumentationFile>true</GenerateDocumentationFile>
</PropertyGroup>
</Project>

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MediaBrowser.Api/Playback/BaseStreamingService.cs
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MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Serialization;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api.Playback.Hls
{
/// <summary>
/// Class BaseHlsService.
/// </summary>
public abstract class BaseHlsService : BaseStreamingService
{
public BaseHlsService(
ILogger<BaseHlsService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory,
IUserManager userManager,
ILibraryManager libraryManager,
IIsoManager isoManager,
IMediaEncoder mediaEncoder,
IFileSystem fileSystem,
IDlnaManager dlnaManager,
IDeviceManager deviceManager,
IMediaSourceManager mediaSourceManager,
IJsonSerializer jsonSerializer,
IAuthorizationContext authorizationContext,
EncodingHelper encodingHelper)
: base(
logger,
serverConfigurationManager,
httpResultFactory,
userManager,
libraryManager,
isoManager,
mediaEncoder,
fileSystem,
dlnaManager,
deviceManager,
mediaSourceManager,
jsonSerializer,
authorizationContext,
encodingHelper)
{
}
/// <summary>
/// Gets the audio arguments.
/// </summary>
protected abstract string GetAudioArguments(StreamState state, EncodingOptions encodingOptions);
/// <summary>
/// Gets the video arguments.
/// </summary>
protected abstract string GetVideoArguments(StreamState state, EncodingOptions encodingOptions);
/// <summary>
/// Gets the segment file extension.
/// </summary>
protected string GetSegmentFileExtension(StreamRequest request)
{
var segmentContainer = request.SegmentContainer;
if (!string.IsNullOrWhiteSpace(segmentContainer))
{
return "." + segmentContainer;
}
return ".ts";
}
/// <summary>
/// Gets the type of the transcoding job.
/// </summary>
/// <value>The type of the transcoding job.</value>
protected override TranscodingJobType TranscodingJobType => TranscodingJobType.Hls;
/// <summary>
/// Processes the request async.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="isLive">if set to <c>true</c> [is live].</param>
/// <returns>Task{System.Object}.</returns>
/// <exception cref="ArgumentException">A video bitrate is required
/// or
/// An audio bitrate is required</exception>
protected async Task<object> ProcessRequestAsync(StreamRequest request, bool isLive)
{
var cancellationTokenSource = new CancellationTokenSource();
var state = await GetState(request, cancellationTokenSource.Token).ConfigureAwait(false);
TranscodingJob job = null;
var playlist = state.OutputFilePath;
if (!File.Exists(playlist))
{
var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(playlist);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
if (!File.Exists(playlist))
{
// If the playlist doesn't already exist, startup ffmpeg
try
{
job = await StartFfMpeg(state, playlist, cancellationTokenSource).ConfigureAwait(false);
job.IsLiveOutput = isLive;
}
catch
{
state.Dispose();
throw;
}
var minSegments = state.MinSegments;
if (minSegments > 0)
{
await WaitForMinimumSegmentCount(playlist, minSegments, cancellationTokenSource.Token).ConfigureAwait(false);
}
}
}
finally
{
transcodingLock.Release();
}
}
if (isLive)
{
job ??= ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType);
if (job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(job);
}
return ResultFactory.GetResult(GetLivePlaylistText(playlist, state.SegmentLength), MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
}
var audioBitrate = state.OutputAudioBitrate ?? 0;
var videoBitrate = state.OutputVideoBitrate ?? 0;
var baselineStreamBitrate = 64000;
var playlistText = GetMasterPlaylistFileText(playlist, videoBitrate + audioBitrate, baselineStreamBitrate);
job ??= ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType);
if (job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(job);
}
return ResultFactory.GetResult(playlistText, MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
}
private string GetLivePlaylistText(string path, int segmentLength)
{
using var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var reader = new StreamReader(stream);
var text = reader.ReadToEnd();
text = text.Replace("#EXTM3U", "#EXTM3U\n#EXT-X-PLAYLIST-TYPE:EVENT");
var newDuration = "#EXT-X-TARGETDURATION:" + segmentLength.ToString(CultureInfo.InvariantCulture);
text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength - 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase);
// text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength + 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase);
return text;
}
private string GetMasterPlaylistFileText(string firstPlaylist, int bitrate, int baselineStreamBitrate)
{
var builder = new StringBuilder();
builder.AppendLine("#EXTM3U");
// Pad a little to satisfy the apple hls validator
var paddedBitrate = Convert.ToInt32(bitrate * 1.15);
// Main stream
builder.Append("#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=")
.AppendLine(paddedBitrate.ToString(CultureInfo.InvariantCulture));
var playlistUrl = "hls/" + Path.GetFileName(firstPlaylist).Replace(".m3u8", "/stream.m3u8");
builder.AppendLine(playlistUrl);
return builder.ToString();
}
protected virtual async Task WaitForMinimumSegmentCount(string playlist, int segmentCount, CancellationToken cancellationToken)
{
Logger.LogDebug("Waiting for {0} segments in {1}", segmentCount, playlist);
while (!cancellationToken.IsCancellationRequested)
{
try
{
// Need to use FileShare.ReadWrite because we're reading the file at the same time it's being written
var fileStream = GetPlaylistFileStream(playlist);
await using (fileStream.ConfigureAwait(false))
{
using var reader = new StreamReader(fileStream);
var count = 0;
while (!reader.EndOfStream)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
if (line.IndexOf("#EXTINF:", StringComparison.OrdinalIgnoreCase) != -1)
{
count++;
if (count >= segmentCount)
{
Logger.LogDebug("Finished waiting for {0} segments in {1}", segmentCount, playlist);
return;
}
}
}
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
catch (IOException)
{
// May get an error if the file is locked
}
await Task.Delay(50, cancellationToken).ConfigureAwait(false);
}
}
protected Stream GetPlaylistFileStream(string path)
{
return new FileStream(
path,
FileMode.Open,
FileAccess.Read,
FileShare.ReadWrite,
IODefaults.FileStreamBufferSize,
FileOptions.SequentialScan);
}
protected override string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding)
{
var itsOffsetMs = 0;
var itsOffset = itsOffsetMs == 0 ? string.Empty : string.Format("-itsoffset {0} ", TimeSpan.FromMilliseconds(itsOffsetMs).TotalSeconds.ToString(CultureInfo.InvariantCulture));
var videoCodec = EncodingHelper.GetVideoEncoder(state, encodingOptions);
var threads = EncodingHelper.GetNumberOfThreads(state, encodingOptions, videoCodec);
var inputModifier = EncodingHelper.GetInputModifier(state, encodingOptions);
// If isEncoding is true we're actually starting ffmpeg
var startNumberParam = isEncoding ? GetStartNumber(state).ToString(CultureInfo.InvariantCulture) : "0";
var baseUrlParam = string.Empty;
if (state.Request is GetLiveHlsStream)
{
baseUrlParam = string.Format(" -hls_base_url \"{0}/\"",
"hls/" + Path.GetFileNameWithoutExtension(outputPath));
}
var useGenericSegmenter = true;
if (useGenericSegmenter)
{
var outputTsArg = Path.Combine(Path.GetDirectoryName(outputPath), Path.GetFileNameWithoutExtension(outputPath)) + "%d" + GetSegmentFileExtension(state.Request);
var timeDeltaParam = string.Empty;
var segmentFormat = GetSegmentFileExtension(state.Request).TrimStart('.');
if (string.Equals(segmentFormat, "ts", StringComparison.OrdinalIgnoreCase))
{
segmentFormat = "mpegts";
}
baseUrlParam = string.Format("\"{0}/\"", "hls/" + Path.GetFileNameWithoutExtension(outputPath));
return string.Format("{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -f segment -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -segment_time {6} {10} -individual_header_trailer 0 -segment_format {11} -segment_list_entry_prefix {12} -segment_list_type m3u8 -segment_start_number {7} -segment_list \"{8}\" -y \"{9}\"",
inputModifier,
EncodingHelper.GetInputArgument(state, encodingOptions),
threads,
EncodingHelper.GetMapArgs(state),
GetVideoArguments(state, encodingOptions),
GetAudioArguments(state, encodingOptions),
state.SegmentLength.ToString(CultureInfo.InvariantCulture),
startNumberParam,
outputPath,
outputTsArg,
timeDeltaParam,
segmentFormat,
baseUrlParam
).Trim();
}
// add when stream copying?
// -avoid_negative_ts make_zero -fflags +genpts
var args = string.Format("{0} {1} {2} -map_metadata -1 -map_chapters -1 -threads {3} {4} {5} -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero {6} -hls_time {7} -individual_header_trailer 0 -start_number {8} -hls_list_size {9}{10} -y \"{11}\"",
itsOffset,
inputModifier,
EncodingHelper.GetInputArgument(state, encodingOptions),
threads,
EncodingHelper.GetMapArgs(state),
GetVideoArguments(state, encodingOptions),
GetAudioArguments(state, encodingOptions),
state.SegmentLength.ToString(CultureInfo.InvariantCulture),
startNumberParam,
state.HlsListSize.ToString(CultureInfo.InvariantCulture),
baseUrlParam,
outputPath
).Trim();
return args;
}
protected override string GetDefaultEncoderPreset()
{
return "veryfast";
}
protected virtual int GetStartNumber(StreamState state)
{
return 0;
}
}
}

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MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
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MediaBrowser.Api/Playback/Hls/HlsCodecStringFactory.cs
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using System;
using System.Text;
namespace MediaBrowser.Api.Playback
{
/// <summary>
/// Get various codec strings for use in HLS playlists.
/// </summary>
static class HlsCodecStringFactory
{
/// <summary>
/// Gets a MP3 codec string.
/// </summary>
/// <returns>MP3 codec string.</returns>
public static string GetMP3String()
{
return "mp4a.40.34";
}
/// <summary>
/// Gets an AAC codec string.
/// </summary>
/// <param name="profile">AAC profile.</param>
/// <returns>AAC codec string.</returns>
public static string GetAACString(string profile)
{
StringBuilder result = new StringBuilder("mp4a", 9);
if (string.Equals(profile, "HE", StringComparison.OrdinalIgnoreCase))
{
result.Append(".40.5");
}
else
{
// Default to LC if profile is invalid
result.Append(".40.2");
}
return result.ToString();
}
/// <summary>
/// Gets a H.264 codec string.
/// </summary>
/// <param name="profile">H.264 profile.</param>
/// <param name="level">H.264 level.</param>
/// <returns>H.264 string.</returns>
public static string GetH264String(string profile, int level)
{
StringBuilder result = new StringBuilder("avc1", 11);
if (string.Equals(profile, "high", StringComparison.OrdinalIgnoreCase))
{
result.Append(".6400");
}
else if (string.Equals(profile, "main", StringComparison.OrdinalIgnoreCase))
{
result.Append(".4D40");
}
else if (string.Equals(profile, "baseline", StringComparison.OrdinalIgnoreCase))
{
result.Append(".42E0");
}
else
{
// Default to constrained baseline if profile is invalid
result.Append(".4240");
}
string levelHex = level.ToString("X2");
result.Append(levelHex);
return result.ToString();
}
/// <summary>
/// Gets a H.265 codec string.
/// </summary>
/// <param name="profile">H.265 profile.</param>
/// <param name="level">H.265 level.</param>
/// <returns>H.265 string.</returns>
public static string GetH265String(string profile, int level)
{
// The h265 syntax is a bit of a mystery at the time this comment was written.
// This is what I've found through various sources:
// FORMAT: [codecTag].[profile].[constraint?].L[level * 30].[UNKNOWN]
StringBuilder result = new StringBuilder("hev1", 16);
if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase))
{
result.Append(".2.6");
}
else
{
// Default to main if profile is invalid
result.Append(".1.6");
}
result.Append(".L")
.Append(level * 3)
.Append(".B0");
return result.ToString();
}
/// <summary>
/// Gets an AC-3 codec string.
/// </summary>
/// <returns>AC-3 codec string.</returns>
public static string GetAC3String()
{
return "mp4a.a5";
}
/// <summary>
/// Gets an E-AC-3 codec string.
/// </summary>
/// <returns>E-AC-3 codec string.</returns>
public static string GetEAC3String()
{
return "mp4a.a6";
}
}
}

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MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
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namespace MediaBrowser.Api.Playback.Hls
{
public class GetLiveHlsStream : VideoStreamRequest
{
}
}

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MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Services;
using Microsoft.Extensions.Logging;
using Microsoft.Net.Http.Headers;
namespace MediaBrowser.Api.Playback.Progressive
{
/// <summary>
/// Class BaseProgressiveStreamingService.
/// </summary>
public abstract class BaseProgressiveStreamingService : BaseStreamingService
{
protected IHttpClient HttpClient { get; private set; }
public BaseProgressiveStreamingService(
ILogger<BaseProgressiveStreamingService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory,
IHttpClient httpClient,
IUserManager userManager,
ILibraryManager libraryManager,
IIsoManager isoManager,
IMediaEncoder mediaEncoder,
IFileSystem fileSystem,
IDlnaManager dlnaManager,
IDeviceManager deviceManager,
IMediaSourceManager mediaSourceManager,
IJsonSerializer jsonSerializer,
IAuthorizationContext authorizationContext,
EncodingHelper encodingHelper)
: base(
logger,
serverConfigurationManager,
httpResultFactory,
userManager,
libraryManager,
isoManager,
mediaEncoder,
fileSystem,
dlnaManager,
deviceManager,
mediaSourceManager,
jsonSerializer,
authorizationContext,
encodingHelper)
{
HttpClient = httpClient;
}
/// <summary>
/// Gets the output file extension.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
protected override string GetOutputFileExtension(StreamState state)
{
var ext = base.GetOutputFileExtension(state);
if (!string.IsNullOrEmpty(ext))
{
return ext;
}
var isVideoRequest = state.VideoRequest != null;
// Try to infer based on the desired video codec
if (isVideoRequest)
{
var videoCodec = state.VideoRequest.VideoCodec;
if (string.Equals(videoCodec, "h264", StringComparison.OrdinalIgnoreCase) ||
string.Equals(videoCodec, "h265", StringComparison.OrdinalIgnoreCase))
{
return ".ts";
}
if (string.Equals(videoCodec, "theora", StringComparison.OrdinalIgnoreCase))
{
return ".ogv";
}
if (string.Equals(videoCodec, "vpx", StringComparison.OrdinalIgnoreCase))
{
return ".webm";
}
if (string.Equals(videoCodec, "wmv", StringComparison.OrdinalIgnoreCase))
{
return ".asf";
}
}
// Try to infer based on the desired audio codec
if (!isVideoRequest)
{
var audioCodec = state.Request.AudioCodec;
if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".aac";
}
if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".mp3";
}
if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".ogg";
}
if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
{
return ".wma";
}
}
return null;
}
/// <summary>
/// Gets the type of the transcoding job.
/// </summary>
/// <value>The type of the transcoding job.</value>
protected override TranscodingJobType TranscodingJobType => TranscodingJobType.Progressive;
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <returns>Task.</returns>
protected async Task<object> ProcessRequest(StreamRequest request, bool isHeadRequest)
{
var cancellationTokenSource = new CancellationTokenSource();
var state = await GetState(request, cancellationTokenSource.Token).ConfigureAwait(false);
var responseHeaders = new Dictionary<string, string>();
if (request.Static && state.DirectStreamProvider != null)
{
AddDlnaHeaders(state, responseHeaders, true);
using (state)
{
var outputHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
// TODO: Don't hardcode this
outputHeaders[HeaderNames.ContentType] = Model.Net.MimeTypes.GetMimeType("file.ts");
return new ProgressiveFileCopier(state.DirectStreamProvider, outputHeaders, null, Logger, CancellationToken.None)
{
AllowEndOfFile = false
};
}
}
// Static remote stream
if (request.Static && state.InputProtocol == MediaProtocol.Http)
{
AddDlnaHeaders(state, responseHeaders, true);
using (state)
{
return await GetStaticRemoteStreamResult(state, responseHeaders, isHeadRequest, cancellationTokenSource).ConfigureAwait(false);
}
}
if (request.Static && state.InputProtocol != MediaProtocol.File)
{
throw new ArgumentException(string.Format("Input protocol {0} cannot be streamed statically.", state.InputProtocol));
}
var outputPath = state.OutputFilePath;
var outputPathExists = File.Exists(outputPath);
var transcodingJob = ApiEntryPoint.Instance.GetTranscodingJob(outputPath, TranscodingJobType.Progressive);
var isTranscodeCached = outputPathExists && transcodingJob != null;
AddDlnaHeaders(state, responseHeaders, request.Static || isTranscodeCached);
// Static stream
if (request.Static)
{
var contentType = state.GetMimeType("." + state.OutputContainer, false) ?? state.GetMimeType(state.MediaPath);
using (state)
{
if (state.MediaSource.IsInfiniteStream)
{
var outputHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
[HeaderNames.ContentType] = contentType
};
return new ProgressiveFileCopier(FileSystem, state.MediaPath, outputHeaders, null, Logger, CancellationToken.None)
{
AllowEndOfFile = false
};
}
TimeSpan? cacheDuration = null;
if (!string.IsNullOrEmpty(request.Tag))
{
cacheDuration = TimeSpan.FromDays(365);
}
return await ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
{
ResponseHeaders = responseHeaders,
ContentType = contentType,
IsHeadRequest = isHeadRequest,
Path = state.MediaPath,
CacheDuration = cacheDuration
}).ConfigureAwait(false);
}
}
//// Not static but transcode cache file exists
// if (isTranscodeCached && state.VideoRequest == null)
//{
// var contentType = state.GetMimeType(outputPath);
// try
// {
// if (transcodingJob != null)
// {
// ApiEntryPoint.Instance.OnTranscodeBeginRequest(transcodingJob);
// }
// return await ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
// {
// ResponseHeaders = responseHeaders,
// ContentType = contentType,
// IsHeadRequest = isHeadRequest,
// Path = outputPath,
// FileShare = FileShare.ReadWrite,
// OnComplete = () =>
// {
// if (transcodingJob != null)
// {
// ApiEntryPoint.Instance.OnTranscodeEndRequest(transcodingJob);
// }
// }
// }).ConfigureAwait(false);
// }
// finally
// {
// state.Dispose();
// }
//}
// Need to start ffmpeg
try
{
return await GetStreamResult(request, state, responseHeaders, isHeadRequest, cancellationTokenSource).ConfigureAwait(false);
}
catch
{
state.Dispose();
throw;
}
}
/// <summary>
/// Gets the static remote stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetStaticRemoteStreamResult(
StreamState state,
Dictionary<string, string> responseHeaders,
bool isHeadRequest,
CancellationTokenSource cancellationTokenSource)
{
var options = new HttpRequestOptions
{
Url = state.MediaPath,
BufferContent = false,
CancellationToken = cancellationTokenSource.Token
};
if (state.RemoteHttpHeaders.TryGetValue(HeaderNames.UserAgent, out var useragent))
{
options.UserAgent = useragent;
}
var response = await HttpClient.GetResponse(options).ConfigureAwait(false);
responseHeaders[HeaderNames.AcceptRanges] = "none";
// Seeing cases of -1 here
if (response.ContentLength.HasValue && response.ContentLength.Value >= 0)
{
responseHeaders[HeaderNames.ContentLength] = response.ContentLength.Value.ToString(CultureInfo.InvariantCulture);
}
if (isHeadRequest)
{
using (response)
{
return ResultFactory.GetResult(null, Array.Empty<byte>(), response.ContentType, responseHeaders);
}
}
var result = new StaticRemoteStreamWriter(response);
result.Headers[HeaderNames.ContentType] = response.ContentType;
// Add the response headers to the result object
foreach (var header in responseHeaders)
{
result.Headers[header.Key] = header.Value;
}
return result;
}
/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetStreamResult(StreamRequest request, StreamState state, IDictionary<string, string> responseHeaders, bool isHeadRequest, CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders[HeaderNames.AcceptRanges] = "none";
var contentType = state.GetMimeType(outputPath);
// TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
var contentLength = state.EstimateContentLength || isHeadRequest ? GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders[HeaderNames.ContentLength] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
// Headers only
if (isHeadRequest)
{
var streamResult = ResultFactory.GetResult(null, Array.Empty<byte>(), contentType, responseHeaders);
if (streamResult is IHasHeaders hasHeaders)
{
if (contentLength.HasValue)
{
hasHeaders.Headers[HeaderNames.ContentLength] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
else
{
hasHeaders.Headers.Remove(HeaderNames.ContentLength);
}
}
return streamResult;
}
var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(outputPath);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJob job;
if (!File.Exists(outputPath))
{
job = await StartFfMpeg(state, outputPath, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var outputHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
[HeaderNames.ContentType] = contentType
};
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
outputHeaders[item.Key] = item.Value;
}
return new ProgressiveFileCopier(FileSystem, outputPath, outputHeaders, job, Logger, CancellationToken.None);
}
finally
{
transcodingLock.Release();
}
}
/// <summary>
/// Gets the length of the estimated content.
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.Nullable{System.Int64}.</returns>
private long? GetEstimatedContentLength(StreamState state)
{
var totalBitrate = state.TotalOutputBitrate ?? 0;
if (totalBitrate > 0 && state.RunTimeTicks.HasValue)
{
return Convert.ToInt64(totalBitrate * TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalSeconds / 8);
}
return null;
}
}
}

182
MediaBrowser.Api/Playback/Progressive/ProgressiveStreamWriter.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Services;
using MediaBrowser.Model.System;
using Microsoft.Extensions.Logging;
using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
namespace MediaBrowser.Api.Playback.Progressive
{
public class ProgressiveFileCopier : IAsyncStreamWriter, IHasHeaders
{
private readonly IFileSystem _fileSystem;
private readonly TranscodingJob _job;
private readonly ILogger _logger;
private readonly string _path;
private readonly CancellationToken _cancellationToken;
private readonly Dictionary<string, string> _outputHeaders;
private long _bytesWritten = 0;
public long StartPosition { get; set; }
public bool AllowEndOfFile = true;
private readonly IDirectStreamProvider _directStreamProvider;
public ProgressiveFileCopier(IFileSystem fileSystem, string path, Dictionary<string, string> outputHeaders, TranscodingJob job, ILogger logger, CancellationToken cancellationToken)
{
_fileSystem = fileSystem;
_path = path;
_outputHeaders = outputHeaders;
_job = job;
_logger = logger;
_cancellationToken = cancellationToken;
}
public ProgressiveFileCopier(IDirectStreamProvider directStreamProvider, Dictionary<string, string> outputHeaders, TranscodingJob job, ILogger logger, CancellationToken cancellationToken)
{
_directStreamProvider = directStreamProvider;
_outputHeaders = outputHeaders;
_job = job;
_logger = logger;
_cancellationToken = cancellationToken;
}
public IDictionary<string, string> Headers => _outputHeaders;
private Stream GetInputStream(bool allowAsyncFileRead)
{
var fileOptions = FileOptions.SequentialScan;
if (allowAsyncFileRead)
{
fileOptions |= FileOptions.Asynchronous;
}
return new FileStream(_path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, fileOptions);
}
public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _cancellationToken).Token;
try
{
if (_directStreamProvider != null)
{
await _directStreamProvider.CopyToAsync(outputStream, cancellationToken).ConfigureAwait(false);
return;
}
var eofCount = 0;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
var allowAsyncFileRead = OperatingSystem.Id != OperatingSystemId.Windows;
using (var inputStream = GetInputStream(allowAsyncFileRead))
{
if (StartPosition > 0)
{
inputStream.Position = StartPosition;
}
while (eofCount < 20 || !AllowEndOfFile)
{
int bytesRead;
if (allowAsyncFileRead)
{
bytesRead = await CopyToInternalAsync(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
else
{
bytesRead = await CopyToInternalAsyncWithSyncRead(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
// var position = fs.Position;
// _logger.LogDebug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
if (_job == null || _job.HasExited)
{
eofCount++;
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
}
finally
{
if (_job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(_job);
}
}
}
private async Task<int> CopyToInternalAsyncWithSyncRead(Stream source, Stream destination, CancellationToken cancellationToken)
{
var array = new byte[IODefaults.CopyToBufferSize];
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = source.Read(array, 0, array.Length)) != 0)
{
var bytesToWrite = bytesRead;
if (bytesToWrite > 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
_bytesWritten += bytesRead;
totalBytesRead += bytesRead;
if (_job != null)
{
_job.BytesDownloaded = Math.Max(_job.BytesDownloaded ?? _bytesWritten, _bytesWritten);
}
}
}
return totalBytesRead;
}
private async Task<int> CopyToInternalAsync(Stream source, Stream destination, CancellationToken cancellationToken)
{
var array = new byte[IODefaults.CopyToBufferSize];
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
{
var bytesToWrite = bytesRead;
if (bytesToWrite > 0)
{
await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
_bytesWritten += bytesRead;
totalBytesRead += bytesRead;
if (_job != null)
{
_job.BytesDownloaded = Math.Max(_job.BytesDownloaded ?? _bytesWritten, _bytesWritten);
}
}
}
return totalBytesRead;
}
}
}

88
MediaBrowser.Api/Playback/Progressive/VideoService.cs
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@ -1,88 +0,0 @@
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Devices;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Services;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api.Playback.Progressive
{
public class GetVideoStream : VideoStreamRequest
{
}
/// <summary>
/// Class VideoService.
/// </summary>
// TODO: In order to autheneticate this in the future, Dlna playback will require updating
//[Authenticated]
public class VideoService : BaseProgressiveStreamingService
{
public VideoService(
ILogger<VideoService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory,
IHttpClient httpClient,
IUserManager userManager,
ILibraryManager libraryManager,
IIsoManager isoManager,
IMediaEncoder mediaEncoder,
IFileSystem fileSystem,
IDlnaManager dlnaManager,
IDeviceManager deviceManager,
IMediaSourceManager mediaSourceManager,
IJsonSerializer jsonSerializer,
IAuthorizationContext authorizationContext,
EncodingHelper encodingHelper)
: base(
logger,
serverConfigurationManager,
httpResultFactory,
httpClient,
userManager,
libraryManager,
isoManager,
mediaEncoder,
fileSystem,
dlnaManager,
deviceManager,
mediaSourceManager,
jsonSerializer,
authorizationContext,
encodingHelper)
{
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public Task<object> Get(GetVideoStream request)
{
return ProcessRequest(request, false);
}
/// <summary>
/// Heads the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public Task<object> Head(GetVideoStream request)
{
return ProcessRequest(request, true);
}
protected override string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding)
{
return EncodingHelper.GetProgressiveVideoFullCommandLine(state, encodingOptions, outputPath, GetDefaultEncoderPreset());
}
}
}

44
MediaBrowser.Api/Playback/StaticRemoteStreamWriter.cs
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@ -1,44 +0,0 @@
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Services;
namespace MediaBrowser.Api.Playback
{
/// <summary>
/// Class StaticRemoteStreamWriter.
/// </summary>
public class StaticRemoteStreamWriter : IAsyncStreamWriter, IHasHeaders
{
/// <summary>
/// The _input stream.
/// </summary>
private readonly HttpResponseInfo _response;
/// <summary>
/// The _options.
/// </summary>
private readonly IDictionary<string, string> _options = new Dictionary<string, string>();
public StaticRemoteStreamWriter(HttpResponseInfo response)
{
_response = response;
}
/// <summary>
/// Gets the options.
/// </summary>
/// <value>The options.</value>
public IDictionary<string, string> Headers => _options;
public async Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken)
{
using (_response)
{
await _response.Content.CopyToAsync(responseStream, 81920, cancellationToken).ConfigureAwait(false);
}
}
}
}

37
MediaBrowser.Api/Playback/StreamRequest.cs
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@ -1,37 +0,0 @@
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Services;
namespace MediaBrowser.Api.Playback
{
/// <summary>
/// Class StreamRequest.
/// </summary>
public class StreamRequest : BaseEncodingJobOptions
{
[ApiMember(Name = "DeviceProfileId", Description = "Optional. The dlna device profile id to utilize.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
public string DeviceProfileId { get; set; }
public string Params { get; set; }
public string PlaySessionId { get; set; }
public string Tag { get; set; }
public string SegmentContainer { get; set; }
public int? SegmentLength { get; set; }
public int? MinSegments { get; set; }
}
public class VideoStreamRequest : StreamRequest
{
/// <summary>
/// Gets a value indicating whether this instance has fixed resolution.
/// </summary>
/// <value><c>true</c> if this instance has fixed resolution; otherwise, <c>false</c>.</value>
public bool HasFixedResolution => Width.HasValue || Height.HasValue;
public bool EnableSubtitlesInManifest { get; set; }
}
}

143
MediaBrowser.Api/Playback/StreamState.cs
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using System;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dlna;
namespace MediaBrowser.Api.Playback
{
public class StreamState : EncodingJobInfo, IDisposable
{
private readonly IMediaSourceManager _mediaSourceManager;
private bool _disposed = false;
public string RequestedUrl { get; set; }
public StreamRequest Request
{
get => (StreamRequest)BaseRequest;
set
{
BaseRequest = value;
IsVideoRequest = VideoRequest != null;
}
}
public TranscodingThrottler TranscodingThrottler { get; set; }
public VideoStreamRequest VideoRequest => Request as VideoStreamRequest;
public IDirectStreamProvider DirectStreamProvider { get; set; }
public string WaitForPath { get; set; }
public bool IsOutputVideo => Request is VideoStreamRequest;
public int SegmentLength
{
get
{
if (Request.SegmentLength.HasValue)
{
return Request.SegmentLength.Value;
}
if (EncodingHelper.IsCopyCodec(OutputVideoCodec))
{
var userAgent = UserAgent ?? string.Empty;
if (userAgent.IndexOf("AppleTV", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
userAgent.IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
{
if (IsSegmentedLiveStream)
{
return 6;
}
return 6;
}
if (IsSegmentedLiveStream)
{
return 3;
}
return 6;
}
return 3;
}
}
public int MinSegments
{
get
{
if (Request.MinSegments.HasValue)
{
return Request.MinSegments.Value;
}
return SegmentLength >= 10 ? 2 : 3;
}
}
public string UserAgent { get; set; }
public bool EstimateContentLength { get; set; }
public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
public bool EnableDlnaHeaders { get; set; }
public DeviceProfile DeviceProfile { get; set; }
public TranscodingJob TranscodingJob { get; set; }
public StreamState(IMediaSourceManager mediaSourceManager, TranscodingJobType transcodingType)
: base(transcodingType)
{
_mediaSourceManager = mediaSourceManager;
}
public override void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
{
ApiEntryPoint.Instance.ReportTranscodingProgress(TranscodingJob, this, transcodingPosition, framerate, percentComplete, bytesTranscoded, bitRate);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
// REVIEW: Is this the right place for this?
if (MediaSource.RequiresClosing
&& string.IsNullOrWhiteSpace(Request.LiveStreamId)
&& !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
{
_mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).GetAwaiter().GetResult();
}
TranscodingThrottler?.Dispose();
}
TranscodingThrottler = null;
TranscodingJob = null;
_disposed = true;
}
}
}

175
MediaBrowser.Api/Playback/TranscodingThrottler.cs
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using System;
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.Api.Playback
{
public class TranscodingThrottler : IDisposable
{
private readonly TranscodingJob _job;
private readonly ILogger _logger;
private Timer _timer;
private bool _isPaused;
private readonly IConfigurationManager _config;
private readonly IFileSystem _fileSystem;
public TranscodingThrottler(TranscodingJob job, ILogger logger, IConfigurationManager config, IFileSystem fileSystem)
{
_job = job;
_logger = logger;
_config = config;
_fileSystem = fileSystem;
}
private EncodingOptions GetOptions()
{
return _config.GetConfiguration<EncodingOptions>("encoding");
}
public void Start()
{
_timer = new Timer(TimerCallback, null, 5000, 5000);
}
private async void TimerCallback(object state)
{
if (_job.HasExited)
{
DisposeTimer();
return;
}
var options = GetOptions();
if (options.EnableThrottling && IsThrottleAllowed(_job, options.ThrottleDelaySeconds))
{
await PauseTranscoding();
}
else
{
await UnpauseTranscoding();
}
}
private async Task PauseTranscoding()
{
if (!_isPaused)
{
_logger.LogDebug("Sending pause command to ffmpeg");
try
{
await _job.Process.StandardInput.WriteAsync("c");
_isPaused = true;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error pausing transcoding");
}
}
}
public async Task UnpauseTranscoding()
{
if (_isPaused)
{
_logger.LogDebug("Sending resume command to ffmpeg");
try
{
await _job.Process.StandardInput.WriteLineAsync();
_isPaused = false;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error resuming transcoding");
}
}
}
private bool IsThrottleAllowed(TranscodingJob job, int thresholdSeconds)
{
var bytesDownloaded = job.BytesDownloaded ?? 0;
var transcodingPositionTicks = job.TranscodingPositionTicks ?? 0;
var downloadPositionTicks = job.DownloadPositionTicks ?? 0;
var path = job.Path;
var gapLengthInTicks = TimeSpan.FromSeconds(thresholdSeconds).Ticks;
if (downloadPositionTicks > 0 && transcodingPositionTicks > 0)
{
// HLS - time-based consideration
var targetGap = gapLengthInTicks;
var gap = transcodingPositionTicks - downloadPositionTicks;
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;
}
if (bytesDownloaded > 0 && transcodingPositionTicks > 0)
{
// 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.LogDebug("No throttle data for " + path);
return false;
}
public async Task Stop()
{
DisposeTimer();
await UnpauseTranscoding();
}
public void Dispose()
{
DisposeTimer();
}
private void DisposeTimer()
{
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
}
}
}

23
MediaBrowser.Api/Properties/AssemblyInfo.cs
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using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("MediaBrowser.Api")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Jellyfin Project")]
[assembly: AssemblyProduct("Jellyfin Server")]
[assembly: AssemblyCopyright("Copyright © 2019 Jellyfin Contributors. Code released under the GNU General Public License")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
[assembly: NeutralResourcesLanguage("en")]
[assembly: InternalsVisibleTo("Jellyfin.Api.Tests")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]

26
MediaBrowser.Api/TestService.cs
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using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Net;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
/// <summary>
/// Service for testing path value.
/// </summary>
public class TestService : BaseApiService
{
/// <summary>
/// Test service.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{TestService}"/> interface.</param>
/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
/// <param name="httpResultFactory">Instance of the <see cref="IHttpResultFactory"/> interface.</param>
public TestService(
ILogger<TestService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory)
: base(logger, serverConfigurationManager, httpResultFactory)
{
}
}
}

165
MediaBrowser.Api/TranscodingJob.cs
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using System;
using System.Diagnostics;
using System.Threading;
using MediaBrowser.Api.Playback;
using MediaBrowser.Controller.MediaEncoding;
using MediaBrowser.Model.Dto;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
/// <summary>
/// Class TranscodingJob.
/// </summary>
public class TranscodingJob
{
/// <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; }
public bool IsLiveOutput { get; set; }
/// <summary>
/// Gets or sets the path.
/// </summary>
/// <value>The path.</value>
public MediaSourceInfo MediaSource { get; set; }
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; }
public ILogger 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; }
public string DeviceId { get; set; }
public CancellationTokenSource CancellationTokenSource { get; set; }
public object ProcessLock = new object();
public bool HasExited { get; set; }
public bool IsUserPaused { get; set; }
public string Id { get; set; }
public float? Framerate { get; set; }
public double? CompletionPercentage { get; set; }
public long? BytesDownloaded { get; set; }
public long? BytesTranscoded { get; set; }
public int? BitRate { get; set; }
public long? TranscodingPositionTicks { get; set; }
public long? DownloadPositionTicks { get; set; }
public TranscodingThrottler TranscodingThrottler { get; set; }
private readonly object _timerLock = new object();
public DateTime LastPingDate { get; set; }
public int PingTimeout { get; set; }
public TranscodingJob(ILogger logger)
{
Logger = logger;
}
public void StopKillTimer()
{
lock (_timerLock)
{
KillTimer?.Change(Timeout.Infinite, Timeout.Infinite);
}
}
public void DisposeKillTimer()
{
lock (_timerLock)
{
if (KillTimer != null)
{
KillTimer.Dispose();
KillTimer = null;
}
}
}
public void StartKillTimer(Action<object> callback)
{
StartKillTimer(callback, PingTimeout);
}
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);
}
}
}
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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