public PlayControlViewModel()
{
_replayProcess = new ReplayProcessRate(DateTime.MinValue);
_replayProcess.FastTimes = 4;
_dictVideoVMS = new Dictionary <string, VideoControlViewModel>();
StopCmd = new CommandDelegate(_ => Stop());
DownloadCmd = new CommandDelegate(_ => doDownloadCmd());
SnapshotCmd = new CommandDelegate(_ => doSnapshotCmd());
PropertyChanged += onPropertyChanged;
SpeedType = new CollectionViewSource();
SpeedType.Source = VideoPlaySpeedManager.SpeedSources();
SelectedSpeedType = "正常";
VideoInfoManager.Instance.DataSourceChanged += onDataSourceChanged;
VideoInfoManager.Instance.LocalSourceInfoReceived += onLocalSourceInfoReceived;
PlaySlider = new PlaySliderViewModel(_replayProcess);
PlaySlider.ProgressOffsetEvent += onProgressOffset;
PlaySlider.JumpEvent += jump;
}
private void updateSpeed()
{
_replayProcess.PlayRate = VideoPlaySpeedManager.GetSpeed(SelectedSpeedType);
_replayProcess.FastTimes = (int)Math.Round(Math.Log(_replayProcess.PlayRate, 2));
IsSelectedSpeedControl = false;
}
