//public bool IsCropEnabled
//{
// get { return this.Cropper.IsCropEnabled; }
// set { this.Cropper.IsCropEnabled = value; }
//}
//public Rect CropRectangle
//{
// get { return this.Cropper.CropRectangle; }
//}
private async void InitializeVideo(StorageFile file)
{
Media.Source = MediaSource.CreateFromStorageFile(file);
Media.MediaPlayer.AutoPlay = true;
Media.MediaPlayer.IsMuted = true;
Media.MediaPlayer.IsLoopingEnabled = true;
Media.MediaPlayer.PlaybackSession.PositionChanged += MediaPlayer_PositionChanged;
var clip = await MediaClip.CreateFromFileAsync(file);
var composition = new MediaComposition();
composition.Clips.Add(clip);
var props = clip.GetVideoEncodingProperties();
double ratioX = (double)40 / props.Width;
double ratioY = (double)40 / props.Height;
double ratio = Math.Max(ratioY, ratioY);
var width = (int)(props.Width * ratio);
var height = (int)(props.Height * ratio);
var count = Math.Ceiling(280d / width);
var times = new List <TimeSpan>();
for (int i = 0; i < count; i++)
{
times.Add(TimeSpan.FromMilliseconds(clip.OriginalDuration.TotalMilliseconds / count * i)); // TimeSpan.FromMilliseconds for older Frameworks (instead of Divide)
}
TrimThumbnails.Children.Clear();
#if MOBILE
var lumiaScaleFactor = 4; // prevents Catastrophic failure on Lumia 640 & probably others
var thumbnails = await composition.GetThumbnailsAsync(times, width *lumiaScaleFactor, height *lumiaScaleFactor, VideoFramePrecision.NearestKeyFrame);
#else
var thumbnails = await composition.GetThumbnailsAsync(times, width, height, VideoFramePrecision.NearestKeyFrame);
#endif
foreach (var thumb in thumbnails)
{
var bitmap = new BitmapImage();
await bitmap.SetSourceAsync(thumb);
var image = new Image();
image.Width = width;
image.Height = height;
image.Stretch = Windows.UI.Xaml.Media.Stretch.UniformToFill;
image.Source = bitmap;
TrimThumbnails.Children.Add(image);
}
TrimRange.SetOriginalDuration(clip.OriginalDuration);
}
private async void InitializeVideo(StorageFile file)
{
Media.Source = MediaSource.CreateFromStorageFile(file);
Media.MediaPlayer.AutoPlay = true;
Media.MediaPlayer.IsMuted = true;
Media.MediaPlayer.IsLoopingEnabled = true;
Media.MediaPlayer.PlaybackSession.PositionChanged += MediaPlayer_PositionChanged;
var clip = await MediaClip.CreateFromFileAsync(file);
var composition = new MediaComposition();
composition.Clips.Add(clip);
var props = clip.GetVideoEncodingProperties();
double ratioX = (double)40 / props.Width;
double ratioY = (double)40 / props.Height;
double ratio = Math.Max(ratioY, ratioY);
var width = (int)(props.Width * ratio);
var height = (int)(props.Height * ratio);
var count = Math.Ceiling(296d / width);
var times = new List <TimeSpan>();
for (int i = 0; i < count; i++)
{
times.Add(clip.OriginalDuration / count * i);
}
TrimThumbnails.Children.Clear();
var thumbnails = await composition.GetThumbnailsAsync(times, width, height, VideoFramePrecision.NearestKeyFrame);
foreach (var thumb in thumbnails)
{
var bitmap = new BitmapImage();
await bitmap.SetSourceAsync(thumb);
var image = new Image();
image.Width = width;
image.Height = height;
image.Stretch = Windows.UI.Xaml.Media.Stretch.UniformToFill;
image.Source = bitmap;
TrimThumbnails.Children.Add(image);
}
TrimRange.SetOriginalDuration(clip.OriginalDuration);
}
