// Generate a luma transformation matrix
avfilter_get_matrix(t.vec.x, t.vec.y, t.angle, 1.0 + t.zoom / 100.0, matrix_y);
// Generate a chroma transformation matrix
// Generate a luma transformation matrix
avfilter_get_matrix(t.vec.x, t.vec.y, t.angle, 1.0 + t.zoom / 100.0, matrix_y);
// Generate a chroma transformation matrix