1005 lines
37 KiB
C#
1005 lines
37 KiB
C#
#pragma warning disable CS1591
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Emby.Dlna.Didl;
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using Jellyfin.Data.Entities;
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using Jellyfin.Data.Events;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.Session;
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using Microsoft.AspNetCore.WebUtilities;
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using Microsoft.Extensions.Logging;
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using Photo = MediaBrowser.Controller.Entities.Photo;
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namespace Emby.Dlna.PlayTo
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{
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public class PlayToController : ISessionController, IDisposable
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{
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private static readonly CultureInfo _usCulture = CultureInfo.ReadOnly(new CultureInfo("en-US"));
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private readonly SessionInfo _session;
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private readonly ISessionManager _sessionManager;
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private readonly ILibraryManager _libraryManager;
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private readonly ILogger _logger;
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private readonly IDlnaManager _dlnaManager;
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private readonly IUserManager _userManager;
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private readonly IImageProcessor _imageProcessor;
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private readonly IUserDataManager _userDataManager;
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private readonly ILocalizationManager _localization;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IMediaEncoder _mediaEncoder;
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private readonly IDeviceDiscovery _deviceDiscovery;
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private readonly string _serverAddress;
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private readonly string _accessToken;
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private readonly List<PlaylistItem> _playlist = new List<PlaylistItem>();
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private Device _device;
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private int _currentPlaylistIndex;
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private bool _disposed;
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public PlayToController(
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SessionInfo session,
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ISessionManager sessionManager,
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ILibraryManager libraryManager,
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ILogger logger,
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IDlnaManager dlnaManager,
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IUserManager userManager,
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IImageProcessor imageProcessor,
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string serverAddress,
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string accessToken,
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IDeviceDiscovery deviceDiscovery,
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IUserDataManager userDataManager,
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ILocalizationManager localization,
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IMediaSourceManager mediaSourceManager,
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IMediaEncoder mediaEncoder)
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{
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_session = session;
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_sessionManager = sessionManager;
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_libraryManager = libraryManager;
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_logger = logger;
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_dlnaManager = dlnaManager;
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_userManager = userManager;
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_imageProcessor = imageProcessor;
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_serverAddress = serverAddress;
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_accessToken = accessToken;
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_deviceDiscovery = deviceDiscovery;
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_userDataManager = userDataManager;
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_localization = localization;
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_mediaSourceManager = mediaSourceManager;
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_mediaEncoder = mediaEncoder;
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}
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public bool IsSessionActive => !_disposed && _device != null;
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public bool SupportsMediaControl => IsSessionActive;
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public void Init(Device device)
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{
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_device = device;
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_device.OnDeviceUnavailable = OnDeviceUnavailable;
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_device.PlaybackStart += OnDevicePlaybackStart;
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_device.PlaybackProgress += OnDevicePlaybackProgress;
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_device.PlaybackStopped += OnDevicePlaybackStopped;
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_device.MediaChanged += OnDeviceMediaChanged;
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_device.Start();
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_deviceDiscovery.DeviceLeft += OnDeviceDiscoveryDeviceLeft;
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}
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/*
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* Send a message to the DLNA device to notify what is the next track in the playlist.
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*/
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private async Task SendNextTrackMessage(int currentPlayListItemIndex, CancellationToken cancellationToken)
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{
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if (currentPlayListItemIndex >= 0 && currentPlayListItemIndex < _playlist.Count - 1)
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{
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// The current playing item is indeed in the play list and we are not yet at the end of the playlist.
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var nextItemIndex = currentPlayListItemIndex + 1;
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var nextItem = _playlist[nextItemIndex];
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// Send the SetNextAvTransport message.
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await _device.SetNextAvTransport(nextItem.StreamUrl, GetDlnaHeaders(nextItem), nextItem.Didl, cancellationToken).ConfigureAwait(false);
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}
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}
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private void OnDeviceUnavailable()
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{
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try
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{
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_sessionManager.ReportSessionEnded(_session.Id);
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}
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catch (Exception ex)
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{
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// Could throw if the session is already gone
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_logger.LogError(ex, "Error reporting the end of session {Id}", _session.Id);
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}
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}
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private void OnDeviceDiscoveryDeviceLeft(object sender, GenericEventArgs<UpnpDeviceInfo> e)
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{
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var info = e.Argument;
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if (!_disposed
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&& info.Headers.TryGetValue("USN", out string usn)
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&& usn.IndexOf(_device.Properties.UUID, StringComparison.OrdinalIgnoreCase) != -1
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&& (usn.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) != -1
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|| (info.Headers.TryGetValue("NT", out string nt)
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&& nt.IndexOf("MediaRenderer:", StringComparison.OrdinalIgnoreCase) != -1)))
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{
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OnDeviceUnavailable();
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}
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}
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private async void OnDeviceMediaChanged(object sender, MediaChangedEventArgs e)
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{
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if (_disposed || string.IsNullOrEmpty(e.OldMediaInfo.Url))
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{
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return;
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}
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try
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{
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var streamInfo = StreamParams.ParseFromUrl(e.OldMediaInfo.Url, _libraryManager, _mediaSourceManager);
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if (streamInfo.Item != null)
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{
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var positionTicks = GetProgressPositionTicks(streamInfo);
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await ReportPlaybackStopped(streamInfo, positionTicks).ConfigureAwait(false);
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}
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streamInfo = StreamParams.ParseFromUrl(e.NewMediaInfo.Url, _libraryManager, _mediaSourceManager);
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if (streamInfo.Item == null)
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{
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return;
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}
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var newItemProgress = GetProgressInfo(streamInfo);
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await _sessionManager.OnPlaybackStart(newItemProgress).ConfigureAwait(false);
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// Send a message to the DLNA device to notify what is the next track in the playlist.
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var currentItemIndex = _playlist.FindIndex(item => item.StreamInfo.ItemId == streamInfo.ItemId);
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if (currentItemIndex >= 0)
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{
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_currentPlaylistIndex = currentItemIndex;
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}
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await SendNextTrackMessage(currentItemIndex, CancellationToken.None);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error reporting progress");
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}
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}
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private async void OnDevicePlaybackStopped(object sender, PlaybackStoppedEventArgs e)
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{
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if (_disposed)
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{
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return;
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}
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try
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{
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var streamInfo = StreamParams.ParseFromUrl(e.MediaInfo.Url, _libraryManager, _mediaSourceManager);
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if (streamInfo.Item == null)
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{
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return;
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}
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var positionTicks = GetProgressPositionTicks(streamInfo);
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await ReportPlaybackStopped(streamInfo, positionTicks).ConfigureAwait(false);
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var mediaSource = await streamInfo.GetMediaSource(CancellationToken.None).ConfigureAwait(false);
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var duration = mediaSource == null ?
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(_device.Duration == null ? (long?)null : _device.Duration.Value.Ticks) :
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mediaSource.RunTimeTicks;
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var playedToCompletion = positionTicks.HasValue && positionTicks.Value == 0;
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if (!playedToCompletion && duration.HasValue && positionTicks.HasValue)
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{
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double percent = positionTicks.Value;
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percent /= duration.Value;
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playedToCompletion = Math.Abs(1 - percent) <= .1;
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}
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if (playedToCompletion)
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{
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await SetPlaylistIndex(_currentPlaylistIndex + 1).ConfigureAwait(false);
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}
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else
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{
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_playlist.Clear();
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error reporting playback stopped");
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}
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}
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private async Task ReportPlaybackStopped(StreamParams streamInfo, long? positionTicks)
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{
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try
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{
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await _sessionManager.OnPlaybackStopped(new PlaybackStopInfo
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{
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ItemId = streamInfo.ItemId,
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SessionId = _session.Id,
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PositionTicks = positionTicks,
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MediaSourceId = streamInfo.MediaSourceId
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}).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error reporting progress");
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}
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}
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private async void OnDevicePlaybackStart(object sender, PlaybackStartEventArgs e)
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{
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if (_disposed)
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{
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return;
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}
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try
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{
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var info = StreamParams.ParseFromUrl(e.MediaInfo.Url, _libraryManager, _mediaSourceManager);
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if (info.Item != null)
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{
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var progress = GetProgressInfo(info);
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await _sessionManager.OnPlaybackStart(progress).ConfigureAwait(false);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error reporting progress");
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}
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}
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private async void OnDevicePlaybackProgress(object sender, PlaybackProgressEventArgs e)
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{
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if (_disposed)
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{
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return;
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}
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try
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{
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var mediaUrl = e.MediaInfo.Url;
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if (string.IsNullOrWhiteSpace(mediaUrl))
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{
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return;
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}
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var info = StreamParams.ParseFromUrl(mediaUrl, _libraryManager, _mediaSourceManager);
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if (info.Item != null)
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{
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var progress = GetProgressInfo(info);
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await _sessionManager.OnPlaybackProgress(progress).ConfigureAwait(false);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error reporting progress");
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}
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}
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private long? GetProgressPositionTicks(StreamParams info)
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{
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var ticks = _device.Position.Ticks;
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if (!EnableClientSideSeek(info))
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{
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ticks += info.StartPositionTicks;
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}
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return ticks;
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}
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private PlaybackStartInfo GetProgressInfo(StreamParams info)
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{
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return new PlaybackStartInfo
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{
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ItemId = info.ItemId,
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SessionId = _session.Id,
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PositionTicks = GetProgressPositionTicks(info),
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IsMuted = _device.IsMuted,
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IsPaused = _device.IsPaused,
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MediaSourceId = info.MediaSourceId,
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AudioStreamIndex = info.AudioStreamIndex,
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SubtitleStreamIndex = info.SubtitleStreamIndex,
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VolumeLevel = _device.Volume,
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// TODO
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CanSeek = true,
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PlayMethod = info.IsDirectStream ? PlayMethod.DirectStream : PlayMethod.Transcode
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};
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}
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public Task SendPlayCommand(PlayRequest command, CancellationToken cancellationToken)
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{
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_logger.LogDebug("{0} - Received PlayRequest: {1}", _session.DeviceName, command.PlayCommand);
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var user = command.ControllingUserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(command.ControllingUserId);
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var items = new List<BaseItem>();
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foreach (var id in command.ItemIds)
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{
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AddItemFromId(id, items);
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}
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var startIndex = command.StartIndex ?? 0;
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int len = items.Count - startIndex;
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if (startIndex > 0)
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{
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items = items.GetRange(startIndex, len);
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}
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var playlist = new PlaylistItem[len];
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// Not nullable enabled - so this is required.
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playlist[0] = CreatePlaylistItem(
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items[0],
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user,
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command.StartPositionTicks ?? 0,
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command.MediaSourceId ?? string.Empty,
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command.AudioStreamIndex,
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command.SubtitleStreamIndex);
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for (int i = 1; i < len; i++)
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{
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playlist[i] = CreatePlaylistItem(items[i], user, 0, string.Empty, null, null);
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}
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_logger.LogDebug("{0} - Playlist created", _session.DeviceName);
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if (command.PlayCommand == PlayCommand.PlayLast)
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{
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_playlist.AddRange(playlist);
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}
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if (command.PlayCommand == PlayCommand.PlayNext)
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{
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_playlist.AddRange(playlist);
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}
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if (!command.ControllingUserId.Equals(Guid.Empty))
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{
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_sessionManager.LogSessionActivity(
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_session.Client,
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_session.ApplicationVersion,
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_session.DeviceId,
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_session.DeviceName,
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_session.RemoteEndPoint,
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user);
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}
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return PlayItems(playlist, cancellationToken);
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}
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private Task SendPlaystateCommand(PlaystateRequest command, CancellationToken cancellationToken)
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{
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switch (command.Command)
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{
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case PlaystateCommand.Stop:
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_playlist.Clear();
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return _device.SetStop(CancellationToken.None);
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case PlaystateCommand.Pause:
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return _device.SetPause(CancellationToken.None);
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case PlaystateCommand.Unpause:
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return _device.SetPlay(CancellationToken.None);
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case PlaystateCommand.PlayPause:
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return _device.IsPaused ? _device.SetPlay(CancellationToken.None) : _device.SetPause(CancellationToken.None);
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case PlaystateCommand.Seek:
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return Seek(command.SeekPositionTicks ?? 0);
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case PlaystateCommand.NextTrack:
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return SetPlaylistIndex(_currentPlaylistIndex + 1, cancellationToken);
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case PlaystateCommand.PreviousTrack:
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return SetPlaylistIndex(_currentPlaylistIndex - 1, cancellationToken);
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}
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return Task.CompletedTask;
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}
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private async Task Seek(long newPosition)
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{
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var media = _device.CurrentMediaInfo;
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if (media != null)
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{
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var info = StreamParams.ParseFromUrl(media.Url, _libraryManager, _mediaSourceManager);
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if (info.Item != null && !EnableClientSideSeek(info))
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{
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var user = !_session.UserId.Equals(Guid.Empty) ? _userManager.GetUserById(_session.UserId) : null;
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var newItem = CreatePlaylistItem(info.Item, user, newPosition, info.MediaSourceId, info.AudioStreamIndex, info.SubtitleStreamIndex);
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await _device.SetAvTransport(newItem.StreamUrl, GetDlnaHeaders(newItem), newItem.Didl, CancellationToken.None).ConfigureAwait(false);
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// Send a message to the DLNA device to notify what is the next track in the play list.
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var newItemIndex = _playlist.FindIndex(item => item.StreamUrl == newItem.StreamUrl);
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await SendNextTrackMessage(newItemIndex, CancellationToken.None);
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return;
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}
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await SeekAfterTransportChange(newPosition, CancellationToken.None).ConfigureAwait(false);
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}
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}
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private bool EnableClientSideSeek(StreamParams info)
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{
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return info.IsDirectStream;
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}
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private bool EnableClientSideSeek(StreamInfo info)
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{
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return info.IsDirectStream;
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}
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private void AddItemFromId(Guid id, List<BaseItem> list)
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{
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var item = _libraryManager.GetItemById(id);
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if (item.MediaType == MediaType.Audio || item.MediaType == MediaType.Video)
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{
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list.Add(item);
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}
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}
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private PlaylistItem CreatePlaylistItem(
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BaseItem item,
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User user,
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long startPostionTicks,
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string mediaSourceId,
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int? audioStreamIndex,
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int? subtitleStreamIndex)
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{
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var deviceInfo = _device.Properties;
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var profile = _dlnaManager.GetProfile(deviceInfo.ToDeviceIdentification()) ??
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_dlnaManager.GetDefaultProfile();
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var mediaSources = item is IHasMediaSources
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? _mediaSourceManager.GetStaticMediaSources(item, true, user).ToArray()
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: Array.Empty<MediaSourceInfo>();
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var playlistItem = GetPlaylistItem(item, mediaSources, profile, _session.DeviceId, mediaSourceId, audioStreamIndex, subtitleStreamIndex);
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playlistItem.StreamInfo.StartPositionTicks = startPostionTicks;
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playlistItem.StreamUrl = DidlBuilder.NormalizeDlnaMediaUrl(playlistItem.StreamInfo.ToUrl(_serverAddress, _accessToken));
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var itemXml = new DidlBuilder(
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profile,
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user,
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_imageProcessor,
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_serverAddress,
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_accessToken,
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_userDataManager,
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_localization,
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_mediaSourceManager,
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_logger,
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_mediaEncoder,
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_libraryManager)
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.GetItemDidl(item, user, null, _session.DeviceId, new Filter(), playlistItem.StreamInfo);
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playlistItem.Didl = itemXml;
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return playlistItem;
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}
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private string GetDlnaHeaders(PlaylistItem item)
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{
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var profile = item.Profile;
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var streamInfo = item.StreamInfo;
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if (streamInfo.MediaType == DlnaProfileType.Audio)
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{
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return new ContentFeatureBuilder(profile)
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.BuildAudioHeader(
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streamInfo.Container,
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streamInfo.TargetAudioCodec.FirstOrDefault(),
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streamInfo.TargetAudioBitrate,
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streamInfo.TargetAudioSampleRate,
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streamInfo.TargetAudioChannels,
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streamInfo.TargetAudioBitDepth,
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streamInfo.IsDirectStream,
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streamInfo.RunTimeTicks ?? 0,
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streamInfo.TranscodeSeekInfo);
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}
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if (streamInfo.MediaType == DlnaProfileType.Video)
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{
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var list = new ContentFeatureBuilder(profile)
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.BuildVideoHeader(
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streamInfo.Container,
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streamInfo.TargetVideoCodec.FirstOrDefault(),
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streamInfo.TargetAudioCodec.FirstOrDefault(),
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streamInfo.TargetWidth,
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streamInfo.TargetHeight,
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streamInfo.TargetVideoBitDepth,
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streamInfo.TargetVideoBitrate,
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streamInfo.TargetTimestamp,
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streamInfo.IsDirectStream,
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streamInfo.RunTimeTicks ?? 0,
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streamInfo.TargetVideoProfile,
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streamInfo.TargetVideoLevel,
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streamInfo.TargetFramerate ?? 0,
|
|
streamInfo.TargetPacketLength,
|
|
streamInfo.TranscodeSeekInfo,
|
|
streamInfo.IsTargetAnamorphic,
|
|
streamInfo.IsTargetInterlaced,
|
|
streamInfo.TargetRefFrames,
|
|
streamInfo.TargetVideoStreamCount,
|
|
streamInfo.TargetAudioStreamCount,
|
|
streamInfo.TargetVideoCodecTag,
|
|
streamInfo.IsTargetAVC);
|
|
|
|
return list.Count == 0 ? null : list[0];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private PlaylistItem GetPlaylistItem(BaseItem item, MediaSourceInfo[] mediaSources, DeviceProfile profile, string deviceId, string mediaSourceId, int? audioStreamIndex, int? subtitleStreamIndex)
|
|
{
|
|
if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return new PlaylistItem
|
|
{
|
|
StreamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildVideoItem(new VideoOptions
|
|
{
|
|
ItemId = item.Id,
|
|
MediaSources = mediaSources,
|
|
Profile = profile,
|
|
DeviceId = deviceId,
|
|
MaxBitrate = profile.MaxStreamingBitrate,
|
|
MediaSourceId = mediaSourceId,
|
|
AudioStreamIndex = audioStreamIndex,
|
|
SubtitleStreamIndex = subtitleStreamIndex
|
|
}),
|
|
|
|
Profile = profile
|
|
};
|
|
}
|
|
|
|
if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return new PlaylistItem
|
|
{
|
|
StreamInfo = new StreamBuilder(_mediaEncoder, _logger).BuildAudioItem(new AudioOptions
|
|
{
|
|
ItemId = item.Id,
|
|
MediaSources = mediaSources,
|
|
Profile = profile,
|
|
DeviceId = deviceId,
|
|
MaxBitrate = profile.MaxStreamingBitrate,
|
|
MediaSourceId = mediaSourceId
|
|
}),
|
|
|
|
Profile = profile
|
|
};
|
|
}
|
|
|
|
if (string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
return PlaylistItemFactory.Create((Photo)item, profile);
|
|
}
|
|
|
|
throw new ArgumentException("Unrecognized item type.");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Plays the items.
|
|
/// </summary>
|
|
/// <param name="items">The items.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns><c>true</c> on success.</returns>
|
|
private async Task<bool> PlayItems(IEnumerable<PlaylistItem> items, CancellationToken cancellationToken = default)
|
|
{
|
|
_playlist.Clear();
|
|
_playlist.AddRange(items);
|
|
_logger.LogDebug("{0} - Playing {1} items", _session.DeviceName, _playlist.Count);
|
|
|
|
await SetPlaylistIndex(0, cancellationToken).ConfigureAwait(false);
|
|
return true;
|
|
}
|
|
|
|
private async Task SetPlaylistIndex(int index, CancellationToken cancellationToken = default)
|
|
{
|
|
if (index < 0 || index >= _playlist.Count)
|
|
{
|
|
_playlist.Clear();
|
|
await _device.SetStop(cancellationToken).ConfigureAwait(false);
|
|
return;
|
|
}
|
|
|
|
_currentPlaylistIndex = index;
|
|
var currentitem = _playlist[index];
|
|
|
|
await _device.SetAvTransport(currentitem.StreamUrl, GetDlnaHeaders(currentitem), currentitem.Didl, cancellationToken).ConfigureAwait(false);
|
|
|
|
// Send a message to the DLNA device to notify what is the next track in the play list.
|
|
await SendNextTrackMessage(index, cancellationToken);
|
|
|
|
var streamInfo = currentitem.StreamInfo;
|
|
if (streamInfo.StartPositionTicks > 0 && EnableClientSideSeek(streamInfo))
|
|
{
|
|
await SeekAfterTransportChange(streamInfo.StartPositionTicks, CancellationToken.None).ConfigureAwait(false);
|
|
}
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Releases unmanaged and optionally managed resources.
|
|
/// </summary>
|
|
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
|
|
protected virtual void Dispose(bool disposing)
|
|
{
|
|
if (_disposed)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (disposing)
|
|
{
|
|
_device.Dispose();
|
|
}
|
|
|
|
_device.PlaybackStart -= OnDevicePlaybackStart;
|
|
_device.PlaybackProgress -= OnDevicePlaybackProgress;
|
|
_device.PlaybackStopped -= OnDevicePlaybackStopped;
|
|
_device.MediaChanged -= OnDeviceMediaChanged;
|
|
_deviceDiscovery.DeviceLeft -= OnDeviceDiscoveryDeviceLeft;
|
|
_device.OnDeviceUnavailable = null;
|
|
_device = null;
|
|
|
|
_disposed = true;
|
|
}
|
|
|
|
private Task SendGeneralCommand(GeneralCommand command, CancellationToken cancellationToken)
|
|
{
|
|
switch (command.Name)
|
|
{
|
|
case GeneralCommandType.VolumeDown:
|
|
return _device.VolumeDown(cancellationToken);
|
|
case GeneralCommandType.VolumeUp:
|
|
return _device.VolumeUp(cancellationToken);
|
|
case GeneralCommandType.Mute:
|
|
return _device.Mute(cancellationToken);
|
|
case GeneralCommandType.Unmute:
|
|
return _device.Unmute(cancellationToken);
|
|
case GeneralCommandType.ToggleMute:
|
|
return _device.ToggleMute(cancellationToken);
|
|
case GeneralCommandType.SetAudioStreamIndex:
|
|
if (command.Arguments.TryGetValue("Index", out string index))
|
|
{
|
|
if (int.TryParse(index, NumberStyles.Integer, _usCulture, out var val))
|
|
{
|
|
return SetAudioStreamIndex(val);
|
|
}
|
|
|
|
throw new ArgumentException("Unsupported SetAudioStreamIndex value supplied.");
|
|
}
|
|
|
|
throw new ArgumentException("SetAudioStreamIndex argument cannot be null");
|
|
case GeneralCommandType.SetSubtitleStreamIndex:
|
|
if (command.Arguments.TryGetValue("Index", out index))
|
|
{
|
|
if (int.TryParse(index, NumberStyles.Integer, _usCulture, out var val))
|
|
{
|
|
return SetSubtitleStreamIndex(val);
|
|
}
|
|
|
|
throw new ArgumentException("Unsupported SetSubtitleStreamIndex value supplied.");
|
|
}
|
|
|
|
throw new ArgumentException("SetSubtitleStreamIndex argument cannot be null");
|
|
case GeneralCommandType.SetVolume:
|
|
if (command.Arguments.TryGetValue("Volume", out string vol))
|
|
{
|
|
if (int.TryParse(vol, NumberStyles.Integer, _usCulture, out var volume))
|
|
{
|
|
return _device.SetVolume(volume, cancellationToken);
|
|
}
|
|
|
|
throw new ArgumentException("Unsupported volume value supplied.");
|
|
}
|
|
|
|
throw new ArgumentException("Volume argument cannot be null");
|
|
default:
|
|
return Task.CompletedTask;
|
|
}
|
|
}
|
|
|
|
private async Task SetAudioStreamIndex(int? newIndex)
|
|
{
|
|
var media = _device.CurrentMediaInfo;
|
|
|
|
if (media != null)
|
|
{
|
|
var info = StreamParams.ParseFromUrl(media.Url, _libraryManager, _mediaSourceManager);
|
|
|
|
if (info.Item != null)
|
|
{
|
|
var newPosition = GetProgressPositionTicks(info) ?? 0;
|
|
|
|
var user = !_session.UserId.Equals(Guid.Empty) ? _userManager.GetUserById(_session.UserId) : null;
|
|
var newItem = CreatePlaylistItem(info.Item, user, newPosition, info.MediaSourceId, newIndex, info.SubtitleStreamIndex);
|
|
|
|
await _device.SetAvTransport(newItem.StreamUrl, GetDlnaHeaders(newItem), newItem.Didl, CancellationToken.None).ConfigureAwait(false);
|
|
|
|
// Send a message to the DLNA device to notify what is the next track in the play list.
|
|
var newItemIndex = _playlist.FindIndex(item => item.StreamUrl == newItem.StreamUrl);
|
|
await SendNextTrackMessage(newItemIndex, CancellationToken.None);
|
|
|
|
if (EnableClientSideSeek(newItem.StreamInfo))
|
|
{
|
|
await SeekAfterTransportChange(newPosition, CancellationToken.None).ConfigureAwait(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private async Task SetSubtitleStreamIndex(int? newIndex)
|
|
{
|
|
var media = _device.CurrentMediaInfo;
|
|
|
|
if (media != null)
|
|
{
|
|
var info = StreamParams.ParseFromUrl(media.Url, _libraryManager, _mediaSourceManager);
|
|
|
|
if (info.Item != null)
|
|
{
|
|
var newPosition = GetProgressPositionTicks(info) ?? 0;
|
|
|
|
var user = !_session.UserId.Equals(Guid.Empty) ? _userManager.GetUserById(_session.UserId) : null;
|
|
var newItem = CreatePlaylistItem(info.Item, user, newPosition, info.MediaSourceId, info.AudioStreamIndex, newIndex);
|
|
|
|
await _device.SetAvTransport(newItem.StreamUrl, GetDlnaHeaders(newItem), newItem.Didl, CancellationToken.None).ConfigureAwait(false);
|
|
|
|
// Send a message to the DLNA device to notify what is the next track in the play list.
|
|
var newItemIndex = _playlist.FindIndex(item => item.StreamUrl == newItem.StreamUrl);
|
|
await SendNextTrackMessage(newItemIndex, CancellationToken.None);
|
|
|
|
if (EnableClientSideSeek(newItem.StreamInfo) && newPosition > 0)
|
|
{
|
|
await SeekAfterTransportChange(newPosition, CancellationToken.None).ConfigureAwait(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private async Task SeekAfterTransportChange(long positionTicks, CancellationToken cancellationToken)
|
|
{
|
|
const int MaxWait = 15000000;
|
|
const int Interval = 500;
|
|
|
|
var currentWait = 0;
|
|
while (_device.TransportState != TransportState.Playing && currentWait < MaxWait)
|
|
{
|
|
await Task.Delay(Interval, cancellationToken).ConfigureAwait(false);
|
|
currentWait += Interval;
|
|
}
|
|
|
|
await _device.Seek(TimeSpan.FromTicks(positionTicks), cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
private static int? GetIntValue(IReadOnlyDictionary<string, string> values, string name)
|
|
{
|
|
var value = values.GetValueOrDefault(name);
|
|
|
|
if (int.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private static long GetLongValue(IReadOnlyDictionary<string, string> values, string name)
|
|
{
|
|
var value = values.GetValueOrDefault(name);
|
|
|
|
if (long.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var result))
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public Task SendMessage<T>(SessionMessageType name, Guid messageId, T data, CancellationToken cancellationToken)
|
|
{
|
|
if (_disposed)
|
|
{
|
|
throw new ObjectDisposedException(GetType().Name);
|
|
}
|
|
|
|
if (_device == null)
|
|
{
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
if (name == SessionMessageType.Play)
|
|
{
|
|
return SendPlayCommand(data as PlayRequest, cancellationToken);
|
|
}
|
|
|
|
if (name == SessionMessageType.Playstate)
|
|
{
|
|
return SendPlaystateCommand(data as PlaystateRequest, cancellationToken);
|
|
}
|
|
|
|
if (name == SessionMessageType.GeneralCommand)
|
|
{
|
|
return SendGeneralCommand(data as GeneralCommand, cancellationToken);
|
|
}
|
|
|
|
// Not supported or needed right now
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
private class StreamParams
|
|
{
|
|
private MediaSourceInfo mediaSource;
|
|
private IMediaSourceManager _mediaSourceManager;
|
|
|
|
public Guid ItemId { get; set; }
|
|
|
|
public bool IsDirectStream { get; set; }
|
|
|
|
public long StartPositionTicks { get; set; }
|
|
|
|
public int? AudioStreamIndex { get; set; }
|
|
|
|
public int? SubtitleStreamIndex { get; set; }
|
|
|
|
public string DeviceProfileId { get; set; }
|
|
|
|
public string DeviceId { get; set; }
|
|
|
|
public string MediaSourceId { get; set; }
|
|
|
|
public string LiveStreamId { get; set; }
|
|
|
|
public BaseItem Item { get; set; }
|
|
|
|
public async Task<MediaSourceInfo> GetMediaSource(CancellationToken cancellationToken)
|
|
{
|
|
if (mediaSource != null)
|
|
{
|
|
return mediaSource;
|
|
}
|
|
|
|
var hasMediaSources = Item as IHasMediaSources;
|
|
|
|
if (hasMediaSources == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
if (_mediaSourceManager != null)
|
|
{
|
|
mediaSource = await _mediaSourceManager.GetMediaSource(Item, MediaSourceId, LiveStreamId, false, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
return mediaSource;
|
|
}
|
|
|
|
private static Guid GetItemId(string url)
|
|
{
|
|
if (string.IsNullOrEmpty(url))
|
|
{
|
|
throw new ArgumentNullException(nameof(url));
|
|
}
|
|
|
|
var parts = url.Split('/');
|
|
|
|
for (var i = 0; i < parts.Length - 1; i++)
|
|
{
|
|
var part = parts[i];
|
|
|
|
if (string.Equals(part, "audio", StringComparison.OrdinalIgnoreCase) ||
|
|
string.Equals(part, "videos", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
if (Guid.TryParse(parts[i + 1], out var result))
|
|
{
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
return Guid.Empty;
|
|
}
|
|
|
|
public static StreamParams ParseFromUrl(string url, ILibraryManager libraryManager, IMediaSourceManager mediaSourceManager)
|
|
{
|
|
if (string.IsNullOrEmpty(url))
|
|
{
|
|
throw new ArgumentNullException(nameof(url));
|
|
}
|
|
|
|
var request = new StreamParams
|
|
{
|
|
ItemId = GetItemId(url)
|
|
};
|
|
|
|
if (request.ItemId.Equals(Guid.Empty))
|
|
{
|
|
return request;
|
|
}
|
|
|
|
var index = url.IndexOf('?', StringComparison.Ordinal);
|
|
if (index == -1)
|
|
{
|
|
return request;
|
|
}
|
|
|
|
var query = url.Substring(index + 1);
|
|
Dictionary<string, string> values = QueryHelpers.ParseQuery(query).ToDictionary(kv => kv.Key, kv => kv.Value.ToString());
|
|
|
|
request.DeviceProfileId = values.GetValueOrDefault("DeviceProfileId");
|
|
request.DeviceId = values.GetValueOrDefault("DeviceId");
|
|
request.MediaSourceId = values.GetValueOrDefault("MediaSourceId");
|
|
request.LiveStreamId = values.GetValueOrDefault("LiveStreamId");
|
|
|
|
// Be careful, IsDirectStream==true by default (Static != false or not in query).
|
|
// See initialization of StreamingRequestDto in AudioController.GetAudioStream() method : Static = @static ?? true.
|
|
request.IsDirectStream = !string.Equals("false", values.GetValueOrDefault("Static"), StringComparison.OrdinalIgnoreCase);
|
|
|
|
request.AudioStreamIndex = GetIntValue(values, "AudioStreamIndex");
|
|
request.SubtitleStreamIndex = GetIntValue(values, "SubtitleStreamIndex");
|
|
request.StartPositionTicks = GetLongValue(values, "StartPositionTicks");
|
|
|
|
request.Item = libraryManager.GetItemById(request.ItemId);
|
|
|
|
request._mediaSourceManager = mediaSourceManager;
|
|
|
|
return request;
|
|
}
|
|
}
|
|
}
|
|
}
|