public override void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
{
// Change state.
var waitingState = new WaitingGroupState(LoggerFactory);
context.SetState(waitingState);
waitingState.HandleRequest(request, context, Type, session, cancellationToken);
}
public ActionResult SyncPlayBuffering(
[FromBody, Required] BufferRequestDto requestData)
{
var currentSession = RequestHelpers.GetSession(_sessionManager, _authorizationContext, Request);
var syncPlayRequest = new BufferGroupRequest(
requestData.When,
requestData.PositionTicks,
requestData.IsPlaying,
requestData.PlaylistItemId);
_syncPlayManager.HandleRequest(currentSession, syncPlayRequest, CancellationToken.None);
return(NoContent());
}
public override void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
{
// Save state if first event.
if (!InitialStateSet)
{
InitialState = prevState;
InitialStateSet = true;
}
// Make sure the client is playing the correct item.
if (!request.PlaylistItemId.Equals(context.PlayQueue.GetPlayingItemPlaylistId()))
{
_logger.LogDebug("Session {SessionId} reported wrong playlist item in group {GroupId}.", session.Id, context.GroupId.ToString());
var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.SetCurrentItem);
var updateSession = context.NewSyncPlayGroupUpdate(GroupUpdateType.PlayQueue, playQueueUpdate);
context.SendGroupUpdate(session, SyncPlayBroadcastType.CurrentSession, updateSession, cancellationToken);
context.SetBuffering(session, true);
return;
}
if (prevState.Equals(GroupStateType.Playing))
{
// Resume playback when all ready.
ResumePlaying = true;
context.SetBuffering(session, true);
// Pause group and compute the media playback position.
var currentTime = DateTime.UtcNow;
var elapsedTime = currentTime - context.LastActivity;
context.LastActivity = currentTime;
// Elapsed time is negative if event happens
// during the delay added to account for latency.
// In this phase clients haven't started the playback yet.
// In other words, LastActivity is in the future,
// when playback unpause is supposed to happen.
// Seek only if playback actually started.
context.PositionTicks += Math.Max(elapsedTime.Ticks, 0);
// Send pause command to all non-buffering sessions.
var command = context.NewSyncPlayCommand(SendCommandType.Pause);
context.SendCommand(session, SyncPlayBroadcastType.AllReady, command, cancellationToken);
}
else if (prevState.Equals(GroupStateType.Paused))
{
// Don't resume playback when all ready.
ResumePlaying = false;
context.SetBuffering(session, true);
// Send pause command to buffering session.
var command = context.NewSyncPlayCommand(SendCommandType.Pause);
context.SendCommand(session, SyncPlayBroadcastType.CurrentSession, command, cancellationToken);
}
else if (prevState.Equals(GroupStateType.Waiting))
{
// Another session is now buffering.
context.SetBuffering(session, true);
if (!ResumePlaying)
{
// Force update for this session that should be paused.
var command = context.NewSyncPlayCommand(SendCommandType.Pause);
context.SendCommand(session, SyncPlayBroadcastType.CurrentSession, command, cancellationToken);
}
}
// Notify relevant state change event.
SendGroupStateUpdate(context, request, session, cancellationToken);
}
public virtual void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
{
UnhandledRequest(request);
}
public override void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
{
SendStopCommand(context, prevState, session, cancellationToken);
}
