public async Task PlayAsync(NicoVideoQuality quality = NicoVideoQuality.Unknown, TimeSpan startPosition = default)
{
if (_niconicoVideoSessionProvider == null) { throw new ArgumentException("please call VideoPlayer.UpdatePlayingVideo() before VideoPlayer.PlayAsync()."); }
if ((_currentSession as IVideoStreamingSession)?.Quality == quality)
{
return;
}
_currentSession?.Dispose();
_currentSession = await _niconicoVideoSessionProvider.CreateVideoSessionAsync(quality);
if (_currentSession is IVideoStreamingSession videoStreamingSession)
{
CurrentQuality = AvailableQualities.First(x => x.Quality == videoStreamingSession.Quality);
}
if (_currentSession is LocalVideoStreamingSession)
{
IsPlayWithCache.Value = true;
}
NowPlayingWithDmcVideo = _currentSession is Models.DmcVideoStreamingSession;
await _currentSession.StartPlayback(_mediaPlayer, startPosition);
}
public NicoVideoCacheProgress(NicoVideoCacheRequest req, DownloadOperation op, IVideoStreamingDownloadSession session)
{
RawVideoId = req.RawVideoId;
Quality = session.Quality;
IsRequireForceUpdate = req.IsRequireForceUpdate;
RequestAt = req.RequestAt;
DownloadOperation = op;
Session = session;
}
/// <summary>
/// 動画ストリームの取得します
/// </summary>
/// <exception cref="NotSupportedException" />
public async Task <IStreamingSession> CreateVideoSessionAsync(NicoVideoQuality quality = NicoVideoQuality.Unknown)
{
IStreamingSession streamingSession = null;
if (_watchApiResponse != null)
{
var ownership = await _ownershipManager.TryRentVideoSessionOwnershipAsync(_watchApiResponse.videoDetail.id, !IsForCacheDownload);
if (ownership != null)
{
streamingSession = new SmileVideoStreamingSession(
_watchApiResponse.VideoUrl,
_niconicoSession,
ownership
);
}
}
else if (_dmcWatchData != null)
{
if (_dmcWatchData.DmcWatchResponse.Video.DmcInfo != null)
{
var qualityEntity = AvailableQualities.Where(x => x.IsAvailable).FirstOrDefault(x => x.Quality == quality);
if (qualityEntity == null)
{
qualityEntity = AvailableQualities.Where(x => x.IsAvailable).First();
}
var ownership = await _ownershipManager.TryRentVideoSessionOwnershipAsync(_dmcWatchData.DmcWatchResponse.Video.Id, !IsForCacheDownload);
if (ownership != null)
{
streamingSession = new DmcVideoStreamingSession(qualityEntity.QualityId, _dmcWatchData, _niconicoSession, ownership);
}
}
else if (_dmcWatchData.DmcWatchResponse.Video.SmileInfo != null)
{
var ownership = await _ownershipManager.TryRentVideoSessionOwnershipAsync(_dmcWatchData.DmcWatchResponse.Video.Id, !IsForCacheDownload);
if (ownership != null)
{
streamingSession = new SmileVideoStreamingSession(
new Uri(_dmcWatchData.DmcWatchResponse.Video.SmileInfo.Url), _niconicoSession, ownership);
}
}
else
{
throw new NotSupportedException("動画ページ情報から動画ファイルURLを検出できませんでした");
}
}
else
{
throw new NotSupportedException("動画の再生準備に失敗（動画ページの解析でエラーが発生）");
}
return(streamingSession);
}
public void ClearCurrentSession()
{
_currentSession?.Dispose();
_currentSession = null;
_niconicoVideoSessionProvider = null;
_currentQuality = null;
RaisePropertyChanged(nameof(AvailableQualities));
PlayingVideoId = null;
NowPlayingWithDmcVideo = false;
IsPlayWithCache.Value = false;
}
public NicoVideoCacheProgress(DownloadOperation op, IVideoStreamingDownloadSession session, string videoId, NicoVideoQuality quality, DateTime requestAt)
{
DownloadOperation = op;
Session = session;
VideoId = videoId;
Quality = quality;
RequestAt = requestAt;
_nicoVideo = Database.NicoVideoDb.Get(VideoId);
SendUpdatableToastWithProgress();
Progress = 0.0;
_invertedProgressTotal = 1.0 / op.Progress.TotalBytesToReceive;
}
