jellyfin-server/Emby.Dlna/PlayTo/PlayToManager.cs

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C#
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using System;
using System.Globalization;
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using System.Linq;
using System.Net;
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using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
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using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Events;
using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.Session;
using Microsoft.Extensions.Logging;
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namespace Emby.Dlna.PlayTo
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{
class PlayToManager : IDisposable
{
private readonly ILogger _logger;
private readonly ISessionManager _sessionManager;
private readonly ILibraryManager _libraryManager;
private readonly IUserManager _userManager;
private readonly IDlnaManager _dlnaManager;
private readonly IServerApplicationHost _appHost;
private readonly IImageProcessor _imageProcessor;
private readonly IHttpClient _httpClient;
private readonly IServerConfigurationManager _config;
private readonly IUserDataManager _userDataManager;
private readonly ILocalizationManager _localization;
private readonly IDeviceDiscovery _deviceDiscovery;
private readonly IMediaSourceManager _mediaSourceManager;
private readonly IMediaEncoder _mediaEncoder;
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private bool _disposed;
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private SemaphoreSlim _sessionLock = new SemaphoreSlim(1, 1);
private CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
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public PlayToManager(ILogger logger, ISessionManager sessionManager, ILibraryManager libraryManager, IUserManager userManager, IDlnaManager dlnaManager, IServerApplicationHost appHost, IImageProcessor imageProcessor, IDeviceDiscovery deviceDiscovery, IHttpClient httpClient, IServerConfigurationManager config, IUserDataManager userDataManager, ILocalizationManager localization, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
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{
_logger = logger;
_sessionManager = sessionManager;
_libraryManager = libraryManager;
_userManager = userManager;
_dlnaManager = dlnaManager;
_appHost = appHost;
_imageProcessor = imageProcessor;
_deviceDiscovery = deviceDiscovery;
_httpClient = httpClient;
_config = config;
_userDataManager = userDataManager;
_localization = localization;
_mediaSourceManager = mediaSourceManager;
_mediaEncoder = mediaEncoder;
}
public void Start()
{
_deviceDiscovery.DeviceDiscovered += _deviceDiscovery_DeviceDiscovered;
}
async void _deviceDiscovery_DeviceDiscovered(object sender, GenericEventArgs<UpnpDeviceInfo> e)
{
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if (_disposed)
{
return;
}
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var info = e.Argument;
if (!info.Headers.TryGetValue("USN", out string usn)) usn = string.Empty;
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if (!info.Headers.TryGetValue("NT", out string nt)) nt = string.Empty;
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string location = info.Location.ToString();
// It has to report that it's a media renderer
if (usn.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1 &&
nt.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) == -1)
{
//_logger.LogDebug("Upnp device {0} does not contain a MediaRenderer device (0).", location);
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return;
}
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var cancellationToken = _disposeCancellationTokenSource.Token;
await _sessionLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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try
{
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if (_disposed)
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{
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return;
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}
if (_sessionManager.Sessions.Any(i => usn.IndexOf(i.DeviceId, StringComparison.OrdinalIgnoreCase) != -1))
{
return;
}
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await AddDevice(info, location, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error creating PlayTo device.");
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}
finally
{
_sessionLock.Release();
}
}
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private string GetUuid(string usn)
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{
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var found = false;
var index = usn.IndexOf("uuid:", StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
usn = usn.Substring(index);
found = true;
}
index = usn.IndexOf("::", StringComparison.OrdinalIgnoreCase);
if (index != -1)
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{
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usn = usn.Substring(0, index);
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}
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if (found)
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{
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return usn;
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}
return usn.GetMD5().ToString("N", CultureInfo.InvariantCulture);
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}
private async Task AddDevice(UpnpDeviceInfo info, string location, CancellationToken cancellationToken)
{
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var uri = info.Location;
_logger.LogDebug("Attempting to create PlayToController from location {0}", location);
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_logger.LogDebug("Logging session activity from location {0}", location);
if (info.Headers.TryGetValue("USN", out string uuid))
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{
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uuid = GetUuid(uuid);
}
else
{
uuid = location.GetMD5().ToString("N", CultureInfo.InvariantCulture);
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}
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var sessionInfo = _sessionManager.LogSessionActivity("DLNA", _appHost.ApplicationVersionString, uuid, null, uri.OriginalString, null);
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var controller = sessionInfo.SessionControllers.OfType<PlayToController>().FirstOrDefault();
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if (controller == null)
{
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var device = await Device.CreateuPnpDeviceAsync(uri, _httpClient, _config, _logger, cancellationToken).ConfigureAwait(false);
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string deviceName = device.Properties.Name;
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_sessionManager.UpdateDeviceName(sessionInfo.Id, deviceName);
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string serverAddress;
if (info.LocalIpAddress == null || info.LocalIpAddress.Equals(IPAddress.Any) || info.LocalIpAddress.Equals(IPAddress.IPv6Any))
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{
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serverAddress = await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
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}
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else
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{
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serverAddress = _appHost.GetLocalApiUrl(info.LocalIpAddress);
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}
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controller = new PlayToController(sessionInfo,
_sessionManager,
_libraryManager,
_logger,
_dlnaManager,
_userManager,
_imageProcessor,
serverAddress,
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null,
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_deviceDiscovery,
_userDataManager,
_localization,
_mediaSourceManager,
_config,
_mediaEncoder);
sessionInfo.AddController(controller);
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controller.Init(device);
var profile = _dlnaManager.GetProfile(device.Properties.ToDeviceIdentification()) ??
_dlnaManager.GetDefaultProfile();
_sessionManager.ReportCapabilities(sessionInfo.Id, new ClientCapabilities
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{
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PlayableMediaTypes = profile.GetSupportedMediaTypes(),
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SupportedCommands = new string[]
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{
GeneralCommandType.VolumeDown.ToString(),
GeneralCommandType.VolumeUp.ToString(),
GeneralCommandType.Mute.ToString(),
GeneralCommandType.Unmute.ToString(),
GeneralCommandType.ToggleMute.ToString(),
GeneralCommandType.SetVolume.ToString(),
GeneralCommandType.SetAudioStreamIndex.ToString(),
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GeneralCommandType.SetSubtitleStreamIndex.ToString(),
GeneralCommandType.PlayMediaSource.ToString()
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},
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SupportsMediaControl = true
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});
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_logger.LogInformation("DLNA Session created for {0} - {1}", device.Properties.Name, device.Properties.ModelName);
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}
}
public void Dispose()
{
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_deviceDiscovery.DeviceDiscovered -= _deviceDiscovery_DeviceDiscovered;
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try
{
_disposeCancellationTokenSource.Cancel();
}
catch
{
}
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_disposed = true;
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}
}
}