The MontiVision Video File Overlay filter overlays
an video file onto the output video stream. If a
constant alpha value is used, the output video is calculated as
follows: Output = Input * Alpha + Overlay * (255-Alpha).
The overlay videocan be repositioned and resized.
| Enable |
Enables or disables the video overlay. |
| Transparent background |
A transparent background is used. Every pixel with a specified
colour is set as transparent. (Not supported at the moment) |
| Constant image alpha |
A constant alpha value is used for every pixel of the
image. |
| Both modes |
a transparent background an a constant alpha value are used at
the same time. (Not supported at the moment) |
| Use Alpha Channel |
Uses an embbed alpha channel. (Not supported at the
moment) |
| Background colour |
The currently selected background colour. |
| Video alpha value |
Output pixel value = Input pixel value
* Alpha
+
Overlay
pixel value * (255-Alpha)
|
| Relative Position |
Places the video within the selected corner. |
| Absolute Position |
Places the video exactly at the defined position relative
to the upper left corner of the video stream. |
| Current Video File |
Used to specify the overlay video file and show
the current filepath. |
| Enable resize |
Enables or disables the other resize controls. The original
size of the overlay video will be restored, if it's
unchecked. |
| Maintain aspect ratio |
If this box is checked, the aspect ratio of the overlay
image will be kept. |
| Width |
Changes the width of the overlay image. |
| Height |
Changes the height of the overlay image. |
| Blending |
Enables in/out blending of the video in x milliseconds. |
| Ignore VMR |
(Not supported at the moment) |
| Loop |
Play the overlay video file in a endless loop. |
| Deinterlacinging Mode |
Select a deinterlacing mode for interlaced overlay video
files. |