public void generateThumbnail(MediaProbe mediaProbe, VideoMetadata video,
CancellationToken token, int timeoutSeconds, int nrThumbnails)
{
video.Thumbnail = null;
List<MediaThumb> coverBitmaps = mediaProbe.grabAttachedImages(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, token, timeoutSeconds);
if (coverBitmaps.Count > 0)
{
video.Thumbnail = new Thumbnail(coverBitmaps[0].Thumb);
}
if (coverBitmaps.Count == 0 || nrThumbnails > 1)
{
List<MediaThumb> thumbBitmaps = mediaProbe.grabThumbnails(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, 0, nrThumbnails, 0.025, token, timeoutSeconds, null);
if (thumbBitmaps.Count > 0 && coverBitmaps.Count == 0)
{
video.Thumbnail = new Thumbnail(thumbBitmaps[0].Thumb);
}
}
}
public void generateThumbnail(MediaProbe mediaProbe, ImageMetadata image,
CancellationToken token, int timeoutSeconds, int nrThumbnails)
{
// possibly could not seek in video, try to get the first frame in the video
List <MediaThumb> thumbBitmaps = mediaProbe.grabThumbnails(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, 0, 1, 0, token, timeoutSeconds, null);
if (thumbBitmaps.Count > 0)
{
BitmapSource thumb = thumbBitmaps[0].Thumb;
if (image.Orientation.HasValue && image.Orientation.Value != 1)
{
System.Windows.Media.Transform transform = null;
switch (image.Orientation.Value)
{
case 2:
{
//Mirror horizontal
transform = new System.Windows.Media.MatrixTransform(-1, 0, 0, 1, 0, 0);
break;
}
case 3:
{
//Rotate 180°
transform = new System.Windows.Media.RotateTransform(180);
break;
}
case 4:
{
//Mirror vertical
transform = new System.Windows.Media.MatrixTransform(1, 0, 0, -1, 0, 0);
break;
}
case 5:
{
//Mirror horizontal, rotate 270°
transform = new System.Windows.Media.MatrixTransform(0, -1, -1, 0, 0, 0);
break;
}
case 6:
{
//Rotate 90°
transform = new System.Windows.Media.RotateTransform(90);
break;
}
case 7:
{
//Mirror horizontal, rotate 90°
transform = new System.Windows.Media.MatrixTransform(0, 1, 1, 0, 0, 0);
break;
}
case 8:
{
//Rotate 270°
transform = new System.Windows.Media.RotateTransform(270);
break;
}
default:
{
Logger.Log.Warn("Unknown orientation for image");
break;
}
}
if (transform != null)
{
thumb = new TransformedBitmap(thumb, transform);
}
}
image.Thumbnail = new Thumbnail(thumb);
}
else
{
image.Thumbnail = null;
}
}
public void generateThumbnail(MediaProbe mediaProbe, ImageMetadata image,
CancellationToken token, int timeoutSeconds, int nrThumbnails)
{
// possibly could not seek in video, try to get the first frame in the video
List<MediaThumb> thumbBitmaps = mediaProbe.grabThumbnails(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, 0, 1, 0, token, timeoutSeconds, null);
if (thumbBitmaps.Count > 0)
{
BitmapSource thumb = thumbBitmaps[0].Thumb;
if (image.Orientation.HasValue && image.Orientation.Value != 1)
{
System.Windows.Media.Transform transform = null;
switch (image.Orientation.Value)
{
case 2:
{
//Mirror horizontal
transform = new System.Windows.Media.MatrixTransform(-1, 0, 0, 1, 0, 0);
break;
}
case 3:
{
//Rotate 180°
transform = new System.Windows.Media.RotateTransform(180);
break;
}
case 4:
{
//Mirror vertical
transform = new System.Windows.Media.MatrixTransform(1, 0, 0, -1, 0, 0);
break;
}
case 5:
{
//Mirror horizontal, rotate 270°
transform = new System.Windows.Media.MatrixTransform(0, -1, -1, 0, 0, 0);
break;
}
case 6:
{
//Rotate 90°
transform = new System.Windows.Media.RotateTransform(90);
break;
}
case 7:
{
//Mirror horizontal, rotate 90°
transform = new System.Windows.Media.MatrixTransform(0, 1, 1, 0, 0, 0);
break;
}
case 8:
{
//Rotate 270°
transform = new System.Windows.Media.RotateTransform(270);
break;
}
default:
{
Logger.Log.Warn("Unknown orientation for image");
break;
}
}
if (transform != null)
{
thumb = new TransformedBitmap(thumb, transform);
}
}
image.Thumbnail = new Thumbnail(thumb);
}
else
{
image.Thumbnail = null;
}
}
public void generateThumbnail(MediaProbe mediaProbe, VideoMetadata video,
CancellationToken token, int timeoutSeconds, int nrThumbnails)
{
video.Thumbnail = null;
List<MediaThumb> coverBitmaps = mediaProbe.grabAttachedImages(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, token, timeoutSeconds);
if (coverBitmaps.Count > 0)
{
video.Thumbnail = new Thumbnail(coverBitmaps[0].Thumb);
}
if (coverBitmaps.Count == 0 || nrThumbnails > 1)
{
List<MediaThumb> thumbBitmaps = mediaProbe.grabThumbnails(Constants.MAX_THUMBNAIL_WIDTH,
Constants.MAX_THUMBNAIL_HEIGHT, 0, nrThumbnails, 0.025, token, timeoutSeconds, null);
if (thumbBitmaps.Count > 0 && coverBitmaps.Count == 0)
{
video.Thumbnail = new Thumbnail(thumbBitmaps[0].Thumb);
}
}
}
