479 lines
16 KiB
C#
479 lines
16 KiB
C#
using System;
|
|
using System.Text.Json;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using Jellyfin.Plugin.JellyLMS.Models;
|
|
using MediaBrowser.Controller.Entities;
|
|
using MediaBrowser.Controller.Library;
|
|
using MediaBrowser.Controller.Session;
|
|
using MediaBrowser.Model.Session;
|
|
using Microsoft.Extensions.Logging;
|
|
|
|
namespace Jellyfin.Plugin.JellyLMS.Services;
|
|
|
|
/// <summary>
|
|
/// Session controller for LMS player devices.
|
|
/// Enables Jellyfin to send playback commands to LMS players via the cast interface.
|
|
/// </summary>
|
|
public class LmsSessionController : ISessionController, IDisposable
|
|
{
|
|
private readonly ILogger _logger;
|
|
private readonly ILmsApiClient _lmsClient;
|
|
private readonly LmsPlayer _player;
|
|
private readonly SessionInfo _session;
|
|
private readonly ISessionManager _sessionManager;
|
|
private readonly ILibraryManager _libraryManager;
|
|
private Timer? _progressTimer;
|
|
private bool _disposed;
|
|
private BaseItem? _currentItem;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="LmsSessionController"/> class.
|
|
/// </summary>
|
|
/// <param name="logger">The logger instance.</param>
|
|
/// <param name="lmsClient">The LMS API client.</param>
|
|
/// <param name="player">The LMS player this controller manages.</param>
|
|
/// <param name="session">The Jellyfin session associated with this controller.</param>
|
|
/// <param name="sessionManager">The session manager for reporting playback events.</param>
|
|
/// <param name="libraryManager">The library manager for item lookups.</param>
|
|
public LmsSessionController(
|
|
ILogger logger,
|
|
ILmsApiClient lmsClient,
|
|
LmsPlayer player,
|
|
SessionInfo session,
|
|
ISessionManager sessionManager,
|
|
ILibraryManager libraryManager)
|
|
{
|
|
_logger = logger;
|
|
_lmsClient = lmsClient;
|
|
_player = player;
|
|
_session = session;
|
|
_sessionManager = sessionManager;
|
|
_libraryManager = libraryManager;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the currently playing item ID.
|
|
/// </summary>
|
|
public Guid? CurrentItemId { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets a value indicating whether playback is currently active.
|
|
/// </summary>
|
|
public bool IsPlaying { get; set; }
|
|
|
|
/// <summary>
|
|
/// Gets or sets a value indicating whether playback is paused.
|
|
/// </summary>
|
|
public bool IsPaused { get; set; }
|
|
|
|
/// <inheritdoc />
|
|
public bool IsSessionActive => _player.IsConnected;
|
|
|
|
/// <inheritdoc />
|
|
public bool SupportsMediaControl => true;
|
|
|
|
/// <summary>
|
|
/// Gets the MAC address of the LMS player.
|
|
/// </summary>
|
|
public string PlayerMac => _player.MacAddress;
|
|
|
|
/// <inheritdoc />
|
|
public async Task SendMessage<T>(
|
|
SessionMessageType name,
|
|
Guid messageId,
|
|
T data,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
_logger.LogInformation(
|
|
"LMS Session Controller received message {MessageType} for player {PlayerName} ({Mac})",
|
|
name,
|
|
_player.Name,
|
|
_player.MacAddress);
|
|
|
|
try
|
|
{
|
|
switch (name)
|
|
{
|
|
case SessionMessageType.Play:
|
|
await HandlePlayCommandAsync(data, cancellationToken).ConfigureAwait(false);
|
|
break;
|
|
|
|
case SessionMessageType.Playstate:
|
|
await HandlePlaystateCommandAsync(data, cancellationToken).ConfigureAwait(false);
|
|
break;
|
|
|
|
case SessionMessageType.GeneralCommand:
|
|
await HandleGeneralCommandAsync(data, cancellationToken).ConfigureAwait(false);
|
|
break;
|
|
|
|
default:
|
|
_logger.LogDebug("Unhandled message type: {MessageType}", name);
|
|
break;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Error handling message {MessageType} for player {PlayerName}", name, _player.Name);
|
|
}
|
|
}
|
|
|
|
private async Task HandlePlayCommandAsync<T>(T data, CancellationToken cancellationToken)
|
|
{
|
|
if (data is not PlayRequest playRequest)
|
|
{
|
|
_logger.LogWarning("Expected PlayRequest but got {Type}", data?.GetType().Name);
|
|
return;
|
|
}
|
|
|
|
_logger.LogInformation(
|
|
"Play command received for player {PlayerName}: {ItemCount} items",
|
|
_player.Name,
|
|
playRequest.ItemIds.Length);
|
|
|
|
// Power on the player if needed
|
|
if (!_player.IsPoweredOn)
|
|
{
|
|
await _lmsClient.PowerOnAsync(_player.MacAddress).ConfigureAwait(false);
|
|
}
|
|
|
|
// For now, play the first item
|
|
// TODO: Support playlists/queues
|
|
if (playRequest.ItemIds.Length > 0)
|
|
{
|
|
var itemId = playRequest.ItemIds[0];
|
|
var streamUrl = BuildStreamUrl(itemId);
|
|
|
|
_logger.LogInformation("Playing stream URL: {Url}", streamUrl);
|
|
await _lmsClient.PlayUrlAsync(_player.MacAddress, streamUrl).ConfigureAwait(false);
|
|
|
|
// Track current playback state
|
|
CurrentItemId = itemId;
|
|
IsPlaying = true;
|
|
IsPaused = false;
|
|
|
|
// Look up the item for duration info
|
|
_currentItem = _libraryManager.GetItemById(itemId);
|
|
|
|
// Seek to start position if specified
|
|
var startPositionTicks = 0L;
|
|
if (playRequest.StartPositionTicks.HasValue && playRequest.StartPositionTicks.Value > 0)
|
|
{
|
|
startPositionTicks = playRequest.StartPositionTicks.Value;
|
|
var positionSeconds = startPositionTicks / TimeSpan.TicksPerSecond;
|
|
await _lmsClient.SeekAsync(_player.MacAddress, positionSeconds).ConfigureAwait(false);
|
|
}
|
|
|
|
// Report playback start to Jellyfin
|
|
await ReportPlaybackStartAsync(itemId, startPositionTicks).ConfigureAwait(false);
|
|
|
|
// Start progress reporting timer (every 2 seconds)
|
|
StartProgressTimer();
|
|
}
|
|
}
|
|
|
|
private async Task ReportPlaybackStartAsync(Guid itemId, long positionTicks)
|
|
{
|
|
try
|
|
{
|
|
var startInfo = new PlaybackStartInfo
|
|
{
|
|
ItemId = itemId,
|
|
SessionId = _session.Id,
|
|
PositionTicks = positionTicks,
|
|
PlayMethod = PlayMethod.DirectStream,
|
|
CanSeek = true,
|
|
IsPaused = false,
|
|
IsMuted = false
|
|
};
|
|
|
|
_logger.LogInformation(
|
|
"Reporting playback start for item {ItemId}, duration: {Duration}",
|
|
itemId,
|
|
_currentItem?.RunTimeTicks);
|
|
await _sessionManager.OnPlaybackStart(startInfo).ConfigureAwait(false);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Failed to report playback start");
|
|
}
|
|
}
|
|
|
|
private void StartProgressTimer()
|
|
{
|
|
// Stop any existing timer
|
|
_progressTimer?.Dispose();
|
|
|
|
// Report progress every 2 seconds
|
|
_progressTimer = new Timer(
|
|
async _ => await ReportPlaybackProgressAsync().ConfigureAwait(false),
|
|
null,
|
|
TimeSpan.FromSeconds(2),
|
|
TimeSpan.FromSeconds(2));
|
|
}
|
|
|
|
private void StopProgressTimer()
|
|
{
|
|
_progressTimer?.Dispose();
|
|
_progressTimer = null;
|
|
}
|
|
|
|
private async Task ReportPlaybackProgressAsync()
|
|
{
|
|
if (!IsPlaying || !CurrentItemId.HasValue)
|
|
{
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
var status = await _lmsClient.GetPlayerStatusAsync(_player.MacAddress).ConfigureAwait(false);
|
|
if (status == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
var positionTicks = (long)(status.Time * TimeSpan.TicksPerSecond);
|
|
var isPaused = status.Mode == "pause";
|
|
|
|
// Update our local state from LMS
|
|
IsPaused = isPaused;
|
|
|
|
// Check if playback has stopped on LMS side
|
|
if (status.Mode == "stop")
|
|
{
|
|
_logger.LogInformation("LMS playback stopped, reporting to Jellyfin");
|
|
await ReportPlaybackStoppedAsync().ConfigureAwait(false);
|
|
return;
|
|
}
|
|
|
|
var progressInfo = new PlaybackProgressInfo
|
|
{
|
|
ItemId = CurrentItemId.Value,
|
|
SessionId = _session.Id,
|
|
IsPaused = isPaused,
|
|
PositionTicks = positionTicks,
|
|
PlayMethod = PlayMethod.DirectStream,
|
|
CanSeek = true,
|
|
IsMuted = status.Volume == 0,
|
|
VolumeLevel = status.Volume
|
|
};
|
|
|
|
await _sessionManager.OnPlaybackProgress(progressInfo).ConfigureAwait(false);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogDebug(ex, "Error reporting playback progress");
|
|
}
|
|
}
|
|
|
|
private async Task ReportPlaybackStoppedAsync()
|
|
{
|
|
if (!CurrentItemId.HasValue)
|
|
{
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
StopProgressTimer();
|
|
|
|
var stopInfo = new PlaybackStopInfo
|
|
{
|
|
ItemId = CurrentItemId.Value,
|
|
SessionId = _session.Id
|
|
};
|
|
|
|
_logger.LogInformation("Reporting playback stopped for item {ItemId}", CurrentItemId.Value);
|
|
await _sessionManager.OnPlaybackStopped(stopInfo).ConfigureAwait(false);
|
|
|
|
IsPlaying = false;
|
|
IsPaused = false;
|
|
CurrentItemId = null;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.LogError(ex, "Failed to report playback stopped");
|
|
}
|
|
}
|
|
|
|
private async Task HandlePlaystateCommandAsync<T>(T data, CancellationToken cancellationToken)
|
|
{
|
|
if (data is not PlaystateRequest playstateRequest)
|
|
{
|
|
_logger.LogWarning("Expected PlaystateRequest but got {Type}", data?.GetType().Name);
|
|
return;
|
|
}
|
|
|
|
_logger.LogInformation(
|
|
"Playstate command {Command} for player {PlayerName} ({Mac})",
|
|
playstateRequest.Command,
|
|
_player.Name,
|
|
_player.MacAddress);
|
|
|
|
switch (playstateRequest.Command)
|
|
{
|
|
case PlaystateCommand.Stop:
|
|
var stopResult = await _lmsClient.StopAsync(_player.MacAddress).ConfigureAwait(false);
|
|
_logger.LogInformation("Stop command result: {Result}", stopResult);
|
|
await ReportPlaybackStoppedAsync().ConfigureAwait(false);
|
|
break;
|
|
|
|
case PlaystateCommand.Pause:
|
|
var pauseResult = await _lmsClient.PauseAsync(_player.MacAddress).ConfigureAwait(false);
|
|
_logger.LogInformation("Pause command result: {Result}", pauseResult);
|
|
IsPaused = true;
|
|
break;
|
|
|
|
case PlaystateCommand.Unpause:
|
|
var playResult = await _lmsClient.PlayAsync(_player.MacAddress).ConfigureAwait(false);
|
|
_logger.LogInformation("Unpause/Play command result: {Result}", playResult);
|
|
IsPaused = false;
|
|
break;
|
|
|
|
case PlaystateCommand.PlayPause:
|
|
// Toggle play/pause - check current state first
|
|
var currentState = await _lmsClient.GetPlayerStatusAsync(_player.MacAddress).ConfigureAwait(false);
|
|
if (currentState?.Mode == "play")
|
|
{
|
|
var togglePauseResult = await _lmsClient.PauseAsync(_player.MacAddress).ConfigureAwait(false);
|
|
_logger.LogInformation("PlayPause toggle (pause) result: {Result}", togglePauseResult);
|
|
IsPaused = true;
|
|
}
|
|
else
|
|
{
|
|
var togglePlayResult = await _lmsClient.PlayAsync(_player.MacAddress).ConfigureAwait(false);
|
|
_logger.LogInformation("PlayPause toggle (play) result: {Result}", togglePlayResult);
|
|
IsPaused = false;
|
|
}
|
|
|
|
break;
|
|
|
|
case PlaystateCommand.Seek:
|
|
if (playstateRequest.SeekPositionTicks.HasValue)
|
|
{
|
|
var positionSeconds = playstateRequest.SeekPositionTicks.Value / TimeSpan.TicksPerSecond;
|
|
_logger.LogInformation(
|
|
"Seeking player {PlayerName} to {Seconds} seconds",
|
|
_player.Name,
|
|
positionSeconds);
|
|
await _lmsClient.SeekAsync(_player.MacAddress, positionSeconds).ConfigureAwait(false);
|
|
}
|
|
|
|
break;
|
|
|
|
case PlaystateCommand.NextTrack:
|
|
case PlaystateCommand.PreviousTrack:
|
|
// TODO: Implement playlist navigation
|
|
_logger.LogDebug("Track navigation not yet implemented");
|
|
break;
|
|
|
|
default:
|
|
_logger.LogDebug("Unhandled playstate command: {Command}", playstateRequest.Command);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private async Task HandleGeneralCommandAsync<T>(T data, CancellationToken cancellationToken)
|
|
{
|
|
if (data is not GeneralCommand command)
|
|
{
|
|
_logger.LogWarning("Expected GeneralCommand but got {Type}", data?.GetType().Name);
|
|
return;
|
|
}
|
|
|
|
_logger.LogDebug(
|
|
"General command {CommandName} for player {PlayerName}",
|
|
command.Name,
|
|
_player.Name);
|
|
|
|
switch (command.Name)
|
|
{
|
|
case GeneralCommandType.SetVolume:
|
|
if (command.Arguments.TryGetValue("Volume", out var volumeStr) &&
|
|
int.TryParse(volumeStr, out var volume))
|
|
{
|
|
await _lmsClient.SetVolumeAsync(_player.MacAddress, volume).ConfigureAwait(false);
|
|
}
|
|
|
|
break;
|
|
|
|
case GeneralCommandType.VolumeUp:
|
|
var currentStatus = await _lmsClient.GetPlayerStatusAsync(_player.MacAddress).ConfigureAwait(false);
|
|
if (currentStatus != null)
|
|
{
|
|
var newVolume = Math.Min(100, currentStatus.Volume + 5);
|
|
await _lmsClient.SetVolumeAsync(_player.MacAddress, newVolume).ConfigureAwait(false);
|
|
}
|
|
|
|
break;
|
|
|
|
case GeneralCommandType.VolumeDown:
|
|
var status = await _lmsClient.GetPlayerStatusAsync(_player.MacAddress).ConfigureAwait(false);
|
|
if (status != null)
|
|
{
|
|
var newVolume = Math.Max(0, status.Volume - 5);
|
|
await _lmsClient.SetVolumeAsync(_player.MacAddress, newVolume).ConfigureAwait(false);
|
|
}
|
|
|
|
break;
|
|
|
|
case GeneralCommandType.Mute:
|
|
await _lmsClient.SetVolumeAsync(_player.MacAddress, 0).ConfigureAwait(false);
|
|
break;
|
|
|
|
case GeneralCommandType.ToggleMute:
|
|
// TODO: Track mute state to toggle properly
|
|
break;
|
|
|
|
default:
|
|
_logger.LogDebug("Unhandled general command: {Command}", command.Name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private string BuildStreamUrl(Guid itemId)
|
|
{
|
|
var config = Plugin.Instance?.Configuration;
|
|
var jellyfinUrl = config?.JellyfinServerUrl?.TrimEnd('/') ?? "http://localhost:8096";
|
|
var apiKey = config?.JellyfinApiKey ?? string.Empty;
|
|
|
|
// Build audio stream URL that LMS can fetch
|
|
// Use direct stream endpoint - simpler and more compatible
|
|
var url = $"{jellyfinUrl}/Audio/{itemId}/stream?static=true";
|
|
|
|
if (!string.IsNullOrEmpty(apiKey))
|
|
{
|
|
url += $"&api_key={apiKey}";
|
|
}
|
|
|
|
return url;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Disposes managed resources.
|
|
/// </summary>
|
|
/// <param name="disposing">Whether to dispose managed resources.</param>
|
|
protected virtual void Dispose(bool disposing)
|
|
{
|
|
if (_disposed)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (disposing)
|
|
{
|
|
StopProgressTimer();
|
|
}
|
|
|
|
_disposed = true;
|
|
}
|
|
}
|