Class (GI Struct)

GstVideo-1.0GstVideoVideoAffineTransformationMetaSince 1.8

Extra buffer metadata for performing an affine transformation using a 4x4 matrix. The transformation matrix can be composed with gst_video_affine_transformation_meta_apply_matrix().

The vertices operated on are all in the range 0 to 1, not in Normalized Device Coordinates (-1 to +1). Transforming points in this space are assumed to have an origin at (0.5, 0.5, 0.5) in a left-handed coordinate system with the x-axis moving horizontally (positive values to the right), the y-axis moving vertically (positive values up the screen) and the z-axis perpendicular to the screen (positive values into the screen).

1.8

Index

Constructors

Properties

Methods

Constructors

Properties

matrix: number[]

Methods

  • Apply a transformation using the given 4x4 transformation matrix. Performs the multiplication, meta->matrix X matrix.

    Parameters

    • matrix: number[]

      a 4x4 transformation matrix to be applied

    Returns void