Basketball Player Motion Transfer

Create a 5-10 second basketball motion-control video using [SOURCE_MOTION_CLIP] and [ATHLETE_REFERENCE_IMAGE]. Replace the performer in the source clip with the referenced adult basketball player while preserving the original motion path, timing, footwork, camera angle, and scene perspective. Start with the source action already readable, then retarget the athlete into the move without changing the court direction, body balance, speed, or shot scale. Keep the player's body proportions, face, hairstyle, jersey shape, limb length, shoe color, and athletic build consistent from the first frame to the last. Preserve realistic ball handling only if a ball is visible in the source motion; otherwise keep the hands natural and do not invent extra props. Use clean sports lighting, stable tracking, and a final frame where the player lands or finishes the motion in a balanced pose. Avoid logos, team marks, celebrity likenesses, warped limbs, sliding feet, duplicate players, jersey text, ball teleporting, sudden outfit changes, impossible jumps, unstable face swaps, or background drift.