public DividedQualityNicoVideo GetDividedQualityNicoVideo(NicoVideoQuality quality)
{
DividedQualityNicoVideo qualityDividedVideo = null;
if (_InterfaceByQuality.ContainsKey(quality))
{
qualityDividedVideo = _InterfaceByQuality[quality];
}
else
{
switch (quality)
{
case NicoVideoQuality.Original:
qualityDividedVideo = new OriginalQualityNicoVideo(this, _NiconicoMediaManager);
break;
case NicoVideoQuality.Low:
qualityDividedVideo = new LowQualityNicoVideo(this, _NiconicoMediaManager);
break;
case NicoVideoQuality.Dmc_High:
qualityDividedVideo = new DmcQualityNicoVideo(quality, this, _NiconicoMediaManager);
break;
case NicoVideoQuality.Dmc_Midium:
qualityDividedVideo = new DmcQualityNicoVideo(quality, this, _NiconicoMediaManager);
break;
case NicoVideoQuality.Dmc_Low:
qualityDividedVideo = new DmcQualityNicoVideo(quality, this, _NiconicoMediaManager);
break;
case NicoVideoQuality.Dmc_Mobile:
qualityDividedVideo = new DmcQualityNicoVideo(quality, this, _NiconicoMediaManager);
break;
default:
throw new NotSupportedException(quality.ToString());
}
_InterfaceByQuality.Add(quality, qualityDividedVideo);
_QualityDividedVideos.Add(qualityDividedVideo);
}
return(qualityDividedVideo);
}
/// <summary>
/// 動画ストリームの取得します
/// 他にダウンロードされているアイテムは強制的に一時停止し、再生終了後に再開されます
/// </summary>
public async Task <NicoVideoQuality> StartPlay(NicoVideoQuality?quality, TimeSpan?initialPosition = null)
{
IfVideoDeletedThrowException();
// 再生動画画質決定
// 指定された画質＞キャッシュされた画質＞デフォルト指定画質＞再生可能な画質
DividedQualityNicoVideo divided = null;
if (quality.HasValue)
{
divided = GetDividedQualityNicoVideo(quality.Value);
}
if (divided == null || !divided.CanPlay)
{
var cachedQuality = GetAllQuality().Where(x => x.IsCached).FirstOrDefault();
if (cachedQuality != null)
{
divided = cachedQuality;
}
else if (quality == NicoVideoQuality.Original)
{
divided = GetDividedQualityNicoVideo(NicoVideoQuality.Low);
}
else
{
divided = GetDividedQualityNicoVideo(HohoemaApp.UserSettings.PlayerSettings.DefaultQuality);
if (!divided.CanPlay)
{
foreach (var dmcQuality in GetAllQuality().Where(x => x.Quality.IsDmc()))
{
if (dmcQuality.CanPlay)
{
divided = dmcQuality;
break;
}
}
}
if (divided == null || !divided.CanPlay)
{
divided = GetDividedQualityNicoVideo(NicoVideoQuality.Original);
if (!divided.CanPlay)
{
divided = GetDividedQualityNicoVideo(NicoVideoQuality.Low);
}
}
}
}
if (divided == null || !divided.CanPlay)
{
throw new NotSupportedException("再生可能な動画品質を見つけられませんでした。");
}
Debug.WriteLine(divided.Quality);
// キャッシュ済みの場合は
if (divided.HasCache)
{
var file = await divided.GetCacheFile();
NicoVideoCachedStream = await file.OpenReadAsync();
await OnCacheRequested();
}
else if (ProtocolType == MediaProtocolType.RTSPoverHTTP)
{
if (Util.InternetConnection.IsInternet())
{
var videoUrl = await divided.GenerateVideoContentUrl();
if (videoUrl == null)
{
divided = GetDividedQualityNicoVideo(NicoVideoQuality.Low);
videoUrl = await divided.GenerateVideoContentUrl();
}
NicoVideoCachedStream = await HttpSequencialAccessStream.CreateAsync(
HohoemaApp.NiconicoContext.HttpClient
, videoUrl
);
}
}
if (NicoVideoCachedStream == null)
{
throw new NotSupportedException();
}
if (initialPosition == null)
{
initialPosition = TimeSpan.Zero;
}
if (NicoVideoCachedStream is IRandomAccessStreamWithContentType)
{
var contentType = (NicoVideoCachedStream as IRandomAccessStreamWithContentType).ContentType;
if (contentType.EndsWith("mp4"))
{
ContentType = MovieType.Mp4;
}
else if (contentType.EndsWith("flv"))
{
ContentType = MovieType.Flv;
}
else if (contentType.EndsWith("swf"))
{
ContentType = MovieType.Swf;
}
}
MediaSource mediaSource = null;
if (ContentType == MovieType.Mp4)
{
string contentType = null;
if (NicoVideoCachedStream is IRandomAccessStreamWithContentType)
{
contentType = (NicoVideoCachedStream as IRandomAccessStreamWithContentType).ContentType;
}
if (contentType == null)
{
throw new Exception("unknown movie content type");
}
mediaSource = MediaSource.CreateFromStream(NicoVideoCachedStream, contentType);
}
else
{
_VideoMSS?.Dispose();
_VideoMSS = FFmpegInteropMSS.CreateFFmpegInteropMSSFromStream(NicoVideoCachedStream, false, false);
if (_VideoMSS != null)
{
var mss = _VideoMSS.GetMediaStreamSource();
mss.SetBufferedRange(TimeSpan.Zero, TimeSpan.Zero);
mediaSource = MediaSource.CreateFromMediaStreamSource(mss);
}
else
{
throw new NotSupportedException();
}
}
if (mediaSource != null)
{
HohoemaApp.MediaPlayer.Source = mediaSource;
HohoemaApp.MediaPlayer.PlaybackSession.Position = initialPosition.Value;
_MediaSource = mediaSource;
var smtc = HohoemaApp.MediaPlayer.SystemMediaTransportControls;
smtc.DisplayUpdater.Type = Windows.Media.MediaPlaybackType.Video;
smtc.DisplayUpdater.VideoProperties.Title = Title ?? "Hohoema";
if (ThumbnailUrl != null)
{
smtc.DisplayUpdater.Thumbnail = RandomAccessStreamReference.CreateFromUri(new Uri(this.ThumbnailUrl));
}
smtc.IsPlayEnabled = true;
smtc.IsPauseEnabled = true;
smtc.DisplayUpdater.Update();
divided.OnPlayStarted();
}
return(divided.Quality);
}