Blender: tracking_plane_tracker.c File Reference

Blender V3.3

#include "MEM_guardedalloc.h"
#include "DNA_movieclip_types.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BKE_tracking.h"
#include "libmv-capi.h"

Go to the source code of this file.

Typedefs
typedef double	Vec2[2]

Functions
static int	point_markers_correspondences_on_both_image (MovieTrackingPlaneTrack plane_track, int frame1, int frame2, Vec2 r_x1, Vec2 *r_x2)

static void	track_plane_from_existing_motion (MovieTrackingPlaneTrack *plane_track, int start_frame, int direction, bool retrack)

void	BKE_tracking_track_plane_from_existing_motion (MovieTrackingPlaneTrack *plane_track, int start_frame)

static MovieTrackingPlaneMarker *	find_plane_keyframe (MovieTrackingPlaneTrack *plane_track, int start_frame, int direction)

void	BKE_tracking_retrack_plane_from_existing_motion_at_segment (MovieTrackingPlaneTrack *plane_track, int start_frame)

BLI_INLINE void	float_corners_to_double (float corners[4][2], double double_corners[4][2])

void	BKE_tracking_homography_between_two_quads (float reference_corners[4][2], float corners[4][2], float H[3][3])

Detailed Description

This file contains implementation of plane tracker.

Definition in file tracking_plane_tracker.c.

Typedef Documentation

◆ Vec2

typedef double Vec2[2]

Definition at line 21 of file tracking_plane_tracker.c.

Function Documentation

◆ BKE_tracking_homography_between_two_quads()

void BKE_tracking_homography_between_two_quads	(	float	reference_corners[4][2],
		float	corners[4][2],
		float	H[3][3]
	)

Definition at line 210 of file tracking_plane_tracker.c.

References copy_m3_m3d(), float_corners_to_double(), H, libmv_homography2DFromCorrespondencesEuc(), and x2.

Referenced by BKE_mask_point_parent_matrix_get(), blender::compositor::PlaneDistortWarpImageOperation::calculate_corners(), and draw_plane_marker_image().

◆ BKE_tracking_retrack_plane_from_existing_motion_at_segment()

void BKE_tracking_retrack_plane_from_existing_motion_at_segment	(	MovieTrackingPlaneTrack *	plane_track,
		int	start_frame
	)

Definition at line 179 of file tracking_plane_tracker.c.

References find_plane_keyframe(), MovieTrackingPlaneMarker::framenr, NULL, and track_plane_from_existing_motion().

Referenced by keyframe_set_flag().

◆ BKE_tracking_track_plane_from_existing_motion()

void BKE_tracking_track_plane_from_existing_motion	(	struct MovieTrackingPlaneTrack *	plane_track,
		int	start_frame
	)

Note: frame number should be in clip space, not scene space.

Definition at line 154 of file tracking_plane_tracker.c.

References track_plane_from_existing_motion().

Referenced by apply_mouse_slide(), BKE_autotrack_context_finish(), create_plane_track_tracks_exec(), join_tracks_exec(), keyframe_set_flag(), slide_plane_marker_update_homographies(), and special_aftertrans_update__movieclip().

◆ find_plane_keyframe()

static MovieTrackingPlaneMarker* find_plane_keyframe	(	MovieTrackingPlaneTrack *	plane_track,
		int	start_frame,
		int	direction
	)

static

Definition at line 161 of file tracking_plane_tracker.c.

References BKE_tracking_plane_marker_get(), MovieTrackingPlaneMarker::flag, MovieTrackingPlaneTrack::markers, NULL, and PLANE_MARKER_TRACKED.

Referenced by BKE_tracking_retrack_plane_from_existing_motion_at_segment().

◆ float_corners_to_double()

BLI_INLINE void float_corners_to_double	(	float	corners[4][2],
		double	double_corners[4][2]
	)

Definition at line 202 of file tracking_plane_tracker.c.

References copy_v2db_v2fl().

Referenced by BKE_tracking_homography_between_two_quads().

◆ point_markers_correspondences_on_both_image()

static int point_markers_correspondences_on_both_image	(	MovieTrackingPlaneTrack *	plane_track,
		int	frame1,
		int	frame2,
		Vec2 **	r_x1,
		Vec2 **	r_x2
	)

static

Definition at line 23 of file tracking_plane_tracker.c.

References BKE_tracking_marker_get_exact(), MEM_mallocN, NULL, MovieTrackingPlaneTrack::point_tracks, MovieTrackingPlaneTrack::point_tracksnr, MovieTrackingMarker::pos, and x2.

Referenced by track_plane_from_existing_motion().

◆ track_plane_from_existing_motion()

static void track_plane_from_existing_motion	(	MovieTrackingPlaneTrack *	plane_track,
		int	start_frame,
		int	direction,
		bool	retrack
	)

static