Setp 1:

    After you add a video file, TT Video Converter automatly adds the “Image adjust filter” to the filter listbox. For example, at the “Filter” tab in the screenshot, the “ID[1]” item is the “Image adjust filter”.

Step 2:

    Select the “Image adjust filter” item in the filter listbox, it will show the param setting dialog at the right-bottom area of the dialog.

    It contain’s three adjust mode, respectively as FillMode, CropMode and None. There are the means of the three mode:

    FillMode: the pictrue aspect ratio is maintained centered on the screen, with the Pillarbox or Letterbox. The Pillarbox describes a image with black bars filling the left and right portions of the display and The Letterbox describes a image with black bars filling the top and bottom portions of the display. For example, the picture is displayed with Letterbox style.

    CropMode: the picture aspect ratio is maintained, but the image is enlarged so that it horizontally or vertically fills the display. the top/bottom or left/right sides of the image are cropped to fit the display.

    None: the pictrue aspect ratio is distorted. the image fully fills the display.