/// <summary>
/// 生放送情報を取得してライブストリームの受信を開始します。<br />
/// 配信受信処理のハードリセット動作として機能します。
/// </summary>
/// <returns></returns>
private async Task TryStartViewing()
{
if (NicoLiveVideo == null)
{
return;
}
try
{
MediaPlayer.PlaybackSession.PlaybackStateChanged += PlaybackSession_PlaybackStateChanged;
NowUpdating.Value = true;
var liveStatus = await NicoLiveVideo.SetupLive();
if (liveStatus == null)
{
LivePlayerType.Value = NicoLiveVideo.LivePlayerType;
OnPropertyChanged(nameof(MediaPlayer));
_StartAt = NicoLiveVideo.PlayerStatusResponse.Program.StartedAt;
_EndAt = NicoLiveVideo.PlayerStatusResponse.Program.EndedAt;
await StartLiveElapsedTimer();
LiveTitle = NicoLiveVideo.LiveTitle;
Title = LiveTitle;
CommunityId = NicoLiveVideo.BroadcasterCommunityId;
// seet
RoomName = NicoLiveVideo.PlayerStatusResponse.Room.Name;
SeetId = NicoLiveVideo.PlayerStatusResponse.Room.SeatId;
OnPropertyChanged(nameof(NicoLiveVideo));
if (CommunityName == null)
{
if (CommunityId == null)
{
CommunityId = NicoLiveVideo.BroadcasterCommunityId;
}
try
{
var communityDetail = await HohoemaApp.ContentFinder.GetCommunityInfo(CommunityId);
if (communityDetail.IsStatusOK)
{
CommunityName = communityDetail.Community.Name;
}
}
catch { }
}
if (NicoLiveVideo.LivePlayerType == Models.Live.LivePlayerType.Leo)
{
CanChangeQuality.Value = true;
NicoLiveVideo.ObserveProperty(x => x.RequestQuality)
.Subscribe(q =>
{
RequestQuality.Value = q;
});
NicoLiveVideo.ObserveProperty(x => x.CurrentQuality)
.Subscribe(x =>
{
CurrentQuality.Value = x;
});
NicoLiveVideo.ObserveProperty(x => x.Qualities)
.Subscribe(types =>
{
IsAvailableSuperLowQuality.Value = types?.Any(x => x == "super_low") ?? false;
IsAvailableLowQuality.Value = types?.Any(x => x == "low") ?? false;
IsAvailableNormalQuality.Value = types?.Any(x => x == "normal") ?? false;
IsAvailableHighQuality.Value = types?.Any(x => x == "high") ?? false;
ChangeQualityCommand.RaiseCanExecuteChanged();
});
}
}
else
{
Debug.WriteLine("生放送情報の取得失敗しました " + LiveId);
}
ResetSuggestion(liveStatus);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
finally
{
NowUpdating.Value = false;
}
// コメント送信中にコメントクライアント切断した場合に対応
NowSubmittingComment.Value = false;
}
public override void OnNavigatedTo(NavigatedToEventArgs e, Dictionary <string, object> viewModelState)
{
if (e.Parameter is string)
{
var json = e.Parameter as string;
var payload = LiveVideoPagePayload.FromParameterString(json);
LiveId = payload.LiveId;
LiveTitle = payload.LiveTitle;
CommunityId = payload.CommunityId;
CommunityName = payload.CommunityName;
}
if (LiveId != null)
{
NicoLiveVideo = new NicoLiveVideo(LiveId, HohoemaApp);
NowConnecting = Observable.CombineLatest(
NicoLiveVideo.ObserveProperty(x => x.LiveStatusType).Select(x => x != null)
)
.Select(x => x.All(y => y))
.ToReactiveProperty(PlayerWindowUIDispatcherScheduler)
.AddTo(_NavigatingCompositeDisposable);
OnPropertyChanged(nameof(NowConnecting));
LiveComments = NicoLiveVideo.LiveComments.ToReadOnlyReactiveCollection(x =>
{
var comment = new Views.Comment();
comment.CommentText = x.Text;
comment.CommentId = !string.IsNullOrEmpty(x.No) ? x.GetCommentNo() : 0;
comment.IsAnonimity = !string.IsNullOrEmpty(x.Anonymity) ? x.GetAnonymity() : false;
comment.UserId = x.User_id;
comment.IsOwnerComment = x.User_id == NicoLiveVideo?.BroadcasterId;
try
{
comment.IsLoginUserComment = !comment.IsAnonimity ? uint.Parse(x.User_id) == HohoemaApp.LoginUserId : false;
}
catch { }
//x.GetVposでサーバー上のコメント位置が取れるが、
// 受け取った順で表示したいのでローカルの放送時間からコメント位置を割り当てる
comment.VideoPosition = (uint)(MediaPlayer.PlaybackSession.Position.TotalMilliseconds * 0.1) + 50;
if (x.Vpos != null && x.GetVpos() < (comment.VideoPosition - 200))
{
Debug.WriteLine("古いコメントのため非表示 : " + comment.CommentText);
comment.IsVisible = false;
}
// EndPositionはコメントレンダラが再計算するが、仮置きしないと表示対象として処理されない
comment.EndPosition = comment.VideoPosition + 1000;
comment.ApplyCommands(x.GetCommandTypes());
return(comment);
});
OnPropertyChanged(nameof(LiveComments));
CommentCount = NicoLiveVideo.ObserveProperty(x => x.CommentCount)
.ToReactiveProperty(PlayerWindowUIDispatcherScheduler)
.AddTo(_NavigatingCompositeDisposable);
OnPropertyChanged(nameof(CommentCount));
WatchCount = NicoLiveVideo.ObserveProperty(x => x.WatchCount)
.ToReactiveProperty(PlayerWindowUIDispatcherScheduler)
.AddTo(_NavigatingCompositeDisposable);
OnPropertyChanged(nameof(WatchCount));
CommunityId = NicoLiveVideo.BroadcasterCommunityId;
// post comment
NicoLiveVideo.PostCommentResult += NicoLiveVideo_PostCommentResult;
// operation command
PermanentDisplayText = NicoLiveVideo.ObserveProperty(x => x.PermanentDisplayText)
.ToReactiveProperty(PlayerWindowUIDispatcherScheduler)
.AddTo(_NavigatingCompositeDisposable);
OnPropertyChanged(nameof(PermanentDisplayText));
// next live
NicoLiveVideo.NextLive += NicoLiveVideo_NextLive;
}
base.OnNavigatedTo(e, viewModelState);
}