/// <summary>
/// 从视频中截取一帧
/// </summary>
private void GetOneFrameImageFromVideo()
{
//ThreadPool.QueueUserWorkItem(m =>
//{
FFmpegHelper.GetOneFrameImageFromVideo(this.VideoPath, this._thumbnailPath, () =>
{
if (System.IO.File.Exists(_thumbnailPath))
{
App.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Background, new Action(() =>
{
this.imgFirstFrame.Source = new BitmapImage(new Uri(_thumbnailPath, UriKind.RelativeOrAbsolute))
{
CacheOption = BitmapCacheOption.OnLoad,
};
}));
}
//});
});
}
