tornavis/source/blender/blenkernel/BKE_tracking.h

782 lines
34 KiB
C

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2011 Blender Foundation.
* All rights reserved.
*/
#pragma once
/** \file
* \ingroup bke
*/
#ifdef __cplusplus
extern "C" {
#endif
struct Camera;
struct ImBuf;
struct ListBase;
struct MovieClipUser;
struct MovieDistortion;
struct MovieReconstructContext;
struct MovieTracking;
struct MovieTrackingMarker;
struct MovieTrackingObject;
struct MovieTrackingPlaneMarker;
struct MovieTrackingPlaneTrack;
struct MovieTrackingTrack;
struct Object;
struct Scene;
struct bGPDlayer;
struct rcti;
/* **** Common functions **** */
/**
* Free tracking structure, only frees structure contents
* (if structure is allocated in heap, it shall be handled outside).
*
* All the pointers inside structure becomes invalid after this call.
*/
void BKE_tracking_free(struct MovieTracking *tracking);
/**
* Copy tracking structure content.
*/
void BKE_tracking_copy(struct MovieTracking *tracking_dst,
const struct MovieTracking *tracking_src,
const int flag);
/**
* Initialize motion tracking settings to default values,
* used when new movie clip data-block is created.
*/
void BKE_tracking_settings_init(struct MovieTracking *tracking);
/**
* Get list base of active object's tracks.
*/
struct ListBase *BKE_tracking_get_active_tracks(struct MovieTracking *tracking);
/**
* Get list base of active object's plane tracks.
*/
struct ListBase *BKE_tracking_get_active_plane_tracks(struct MovieTracking *tracking);
/**
* Get reconstruction data of active object.
*/
struct MovieTrackingReconstruction *BKE_tracking_get_active_reconstruction(
struct MovieTracking *tracking);
/* Matrices for constraints and drawing. */
/**
* Get transformation matrix for a given object which is used
* for parenting motion tracker reconstruction to 3D world.
*/
void BKE_tracking_get_camera_object_matrix(struct Object *camera_object, float mat[4][4]);
/**
* Get projection matrix for camera specified by given tracking object
* and frame number.
*
* \note frame number should be in clip space, not scene space.
*/
void BKE_tracking_get_projection_matrix(struct MovieTracking *tracking,
struct MovieTrackingObject *object,
int framenr,
int winx,
int winy,
float mat[4][4]);
/* **** Clipboard **** */
/**
* Free clipboard by freeing memory used by all tracks in it.
*/
void BKE_tracking_clipboard_free(void);
/**
* Copy selected tracks from specified object to the clipboard.
*/
void BKE_tracking_clipboard_copy_tracks(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
/**
* Check whether there are any tracks in the clipboard.
*/
bool BKE_tracking_clipboard_has_tracks(void);
/**
* Paste tracks from clipboard to specified object.
*
* Names of new tracks in object are guaranteed to be unique here.
*/
void BKE_tracking_clipboard_paste_tracks(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
/* **** Track **** */
/**
* Add new empty track to the given list of tracks.
*
* It is required that caller will append at least one marker to avoid degenerate tracks.
*/
struct MovieTrackingTrack *BKE_tracking_track_add_empty(struct MovieTracking *tracking,
struct ListBase *tracks_list);
/**
* Add new track to a specified tracks base.
*
* Coordinates are expected to be in normalized 0..1 space,
* frame number is expected to be in clip space.
*
* Width and height are clip's dimension used to scale track's
* pattern and search regions.
*/
struct MovieTrackingTrack *BKE_tracking_track_add(struct MovieTracking *tracking,
struct ListBase *tracksbase,
float x,
float y,
int framenr,
int width,
int height);
/**
* Duplicate the specified track, result will no belong to any list.
*/
struct MovieTrackingTrack *BKE_tracking_track_duplicate(struct MovieTrackingTrack *track);
/**
* Ensure specified track has got unique name,
* if it's not name of specified track will be changed
* keeping names of all other tracks unchanged.
*/
void BKE_tracking_track_unique_name(struct ListBase *tracksbase, struct MovieTrackingTrack *track);
/**
* Free specified track, only frees contents of a structure
* (if track is allocated in heap, it shall be handled outside).
*
* All the pointers inside track becomes invalid after this call.
*/
void BKE_tracking_track_free(struct MovieTrackingTrack *track);
/**
* Get frame numbers of the very first and last markers.
* There is no check on whether the marker is enabled or not.
*/
void BKE_tracking_track_first_last_frame_get(const struct MovieTrackingTrack *track,
int *r_first_frame,
int *r_last_frame);
/**
* Find the minimum starting frame and maximum ending frame within given set of tracks.
*/
void BKE_tracking_tracks_first_last_frame_minmax(/*const*/ struct MovieTrackingTrack **tracks,
const int num_tracks,
int *r_first_frame,
int *r_last_frame);
int BKE_tracking_count_selected_tracks_in_list(const struct ListBase *tracks_list);
int BKE_tracking_count_selected_tracks_in_active_object(/*const*/ struct MovieTracking *tracking);
/**
* Get array of selected tracks from the current active object in the tracking structure.
* If nothing is selected then the result is nullptr and `r_num_tracks` is set to 0.
*/
struct MovieTrackingTrack **BKE_tracking_selected_tracks_in_active_object(
struct MovieTracking *tracking, int *r_num_tracks);
/**
* Set flag for all specified track's areas.
*
* \param area: which part of marker should be selected. see TRACK_AREA_* constants.
* \param flag: flag to be set for areas.
*/
void BKE_tracking_track_flag_set(struct MovieTrackingTrack *track, int area, int flag);
/**
* Clear flag from all specified track's areas.
*
* \param area: which part of marker should be selected. see TRACK_AREA_* constants.
* \param flag: flag to be cleared for areas.
*/
void BKE_tracking_track_flag_clear(struct MovieTrackingTrack *track, int area, int flag);
/**
* Check whether track has got marker at specified frame.
*
* \note frame number should be in clip space, not scene space.
*/
bool BKE_tracking_track_has_marker_at_frame(struct MovieTrackingTrack *track, int framenr);
/**
* Check whether track has got enabled marker at specified frame.
*
* \note frame number should be in clip space, not scene space.
*/
bool BKE_tracking_track_has_enabled_marker_at_frame(struct MovieTrackingTrack *track, int framenr);
/**
* Clear track's path:
*
* - If action is #TRACK_CLEAR_REMAINED path from `ref_frame+1` up to end will be clear.
* - If action is #TRACK_CLEAR_UPTO path from the beginning up to `ref_frame-1` will be clear.
* - If action is #TRACK_CLEAR_ALL only marker at frame ref_frame will remain.
*
* \note frame number should be in clip space, not scene space.
*/
void BKE_tracking_track_path_clear(struct MovieTrackingTrack *track, int ref_frame, int action);
void BKE_tracking_tracks_join(struct MovieTracking *tracking,
struct MovieTrackingTrack *dst_track,
struct MovieTrackingTrack *src_track);
void BKE_tracking_tracks_average(struct MovieTrackingTrack *dst_track,
/*const*/ struct MovieTrackingTrack **src_tracks,
const int num_src_tracks);
struct MovieTrackingTrack *BKE_tracking_track_get_named(struct MovieTracking *tracking,
struct MovieTrackingObject *object,
const char *name);
struct MovieTrackingTrack *BKE_tracking_track_get_indexed(struct MovieTracking *tracking,
int tracknr,
struct ListBase **r_tracksbase);
struct MovieTrackingTrack *BKE_tracking_track_get_active(struct MovieTracking *tracking);
float *BKE_tracking_track_get_mask(int frame_width,
int frame_height,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker);
float BKE_tracking_track_get_weight_for_marker(struct MovieClip *clip,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker);
/* Selection */
/**
* \param area: which part of marker should be selected. see TRACK_AREA_* constants.
*/
void BKE_tracking_track_select(struct ListBase *tracksbase,
struct MovieTrackingTrack *track,
int area,
bool extend);
void BKE_tracking_track_deselect(struct MovieTrackingTrack *track, int area);
void BKE_tracking_tracks_deselect_all(struct ListBase *tracksbase);
/* **** Marker **** */
struct MovieTrackingMarker *BKE_tracking_marker_insert(struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker);
void BKE_tracking_marker_delete(struct MovieTrackingTrack *track, int framenr);
void BKE_tracking_marker_clamp(struct MovieTrackingMarker *marker, int event);
/**
* Get marker closest to the given frame number.
*
* If there is maker with exact frame number it returned.
* Otherwise, marker with highest frame number but lower than the requested
* frame is returned if such marker exists. Otherwise, the marker with lowest
* frame number greater than the requested frame number is returned.
*
* This function has complexity of `O(log number_of_markers)`.
*/
struct MovieTrackingMarker *BKE_tracking_marker_get(struct MovieTrackingTrack *track, int framenr);
struct MovieTrackingMarker *BKE_tracking_marker_get_exact(struct MovieTrackingTrack *track,
int framenr);
struct MovieTrackingMarker *BKE_tracking_marker_ensure(struct MovieTrackingTrack *track,
int framenr);
/**
* Get marker position, possibly interpolating gap between key-framed/tracked markers.
*
* The result marker frame number is set to the requested frame number. Its flags are 0 if the
* marker is interpolated, and is set to original marker flag if there were no interpolation
* involved.
*
* \returns truth if the result is usable.
*/
bool BKE_tracking_marker_get_interpolated(struct MovieTrackingTrack *track,
const int framenr,
struct MovieTrackingMarker *r_marker);
void BKE_tracking_marker_pattern_minmax(const struct MovieTrackingMarker *marker,
float min[2],
float max[2]);
void BKE_tracking_marker_get_subframe_position(struct MovieTrackingTrack *track,
float framenr,
float pos[2]);
/* **** Plane Track **** */
/**
* Creates new plane track out of selected point tracks.
*/
struct MovieTrackingPlaneTrack *BKE_tracking_plane_track_add(struct MovieTracking *tracking,
struct ListBase *plane_tracks_base,
struct ListBase *tracks,
int framenr);
void BKE_tracking_plane_track_unique_name(struct ListBase *plane_tracks_base,
struct MovieTrackingPlaneTrack *plane_track);
/**
* Free specified plane track, only frees contents of a structure
* (if track is allocated in heap, it shall be handled outside).
*
* All the pointers inside track becomes invalid after this call.
*/
void BKE_tracking_plane_track_free(struct MovieTrackingPlaneTrack *plane_track);
bool BKE_tracking_plane_track_has_marker_at_frame(struct MovieTrackingPlaneTrack *plane_track,
int framenr);
bool BKE_tracking_plane_track_has_enabled_marker_at_frame(
struct MovieTrackingPlaneTrack *plane_track, int framenr);
struct MovieTrackingPlaneTrack *BKE_tracking_plane_track_get_named(
struct MovieTracking *tracking, struct MovieTrackingObject *object, const char *name);
struct MovieTrackingPlaneTrack *BKE_tracking_plane_track_get_active(
struct MovieTracking *tracking);
void BKE_tracking_plane_tracks_deselect_all(struct ListBase *plane_tracks_base);
bool BKE_tracking_plane_track_has_point_track(struct MovieTrackingPlaneTrack *plane_track,
struct MovieTrackingTrack *track);
bool BKE_tracking_plane_track_remove_point_track(struct MovieTrackingPlaneTrack *plane_track,
struct MovieTrackingTrack *track);
void BKE_tracking_plane_tracks_remove_point_track(struct MovieTracking *tracking,
struct MovieTrackingTrack *track);
void BKE_tracking_plane_track_replace_point_track(struct MovieTrackingPlaneTrack *plane_track,
struct MovieTrackingTrack *old_track,
struct MovieTrackingTrack *new_track);
void BKE_tracking_plane_tracks_replace_point_track(struct MovieTracking *tracking,
struct MovieTrackingTrack *old_track,
struct MovieTrackingTrack *new_track);
/* **** Plane Marker **** */
struct MovieTrackingPlaneMarker *BKE_tracking_plane_marker_insert(
struct MovieTrackingPlaneTrack *plane_track, struct MovieTrackingPlaneMarker *plane_marker);
void BKE_tracking_plane_marker_delete(struct MovieTrackingPlaneTrack *plane_track, int framenr);
/**
* Get a plane marker at given frame,
* If there's no such marker, closest one from the left side will be returned.
*/
struct MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get(
struct MovieTrackingPlaneTrack *plane_track, int framenr);
/**
* Get a plane marker at exact given frame, if there's no marker at the frame,
* NULL will be returned.
*/
struct MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get_exact(
struct MovieTrackingPlaneTrack *plane_track, int framenr);
/**
* Ensure there's a marker for the given frame.
*/
struct MovieTrackingPlaneMarker *BKE_tracking_plane_marker_ensure(
struct MovieTrackingPlaneTrack *plane_track, int framenr);
void BKE_tracking_plane_marker_get_subframe_corners(struct MovieTrackingPlaneTrack *plane_track,
float framenr,
float corners[4][2]);
/* **** Object **** */
struct MovieTrackingObject *BKE_tracking_object_add(struct MovieTracking *tracking,
const char *name);
bool BKE_tracking_object_delete(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
void BKE_tracking_object_unique_name(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
struct MovieTrackingObject *BKE_tracking_object_get_named(struct MovieTracking *tracking,
const char *name);
struct MovieTrackingObject *BKE_tracking_object_get_active(struct MovieTracking *tracking);
struct MovieTrackingObject *BKE_tracking_object_get_camera(struct MovieTracking *tracking);
struct ListBase *BKE_tracking_object_get_tracks(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
struct ListBase *BKE_tracking_object_get_plane_tracks(struct MovieTracking *tracking,
struct MovieTrackingObject *object);
struct MovieTrackingReconstruction *BKE_tracking_object_get_reconstruction(
struct MovieTracking *tracking, struct MovieTrackingObject *object);
/* **** Camera **** */
/**
* Converts principal offset from center to offset of blender's camera.
*/
void BKE_tracking_camera_shift_get(
struct MovieTracking *tracking, int winx, int winy, float *shiftx, float *shifty);
void BKE_tracking_camera_to_blender(struct MovieTracking *tracking,
struct Scene *scene,
struct Camera *camera,
int width,
int height);
struct MovieReconstructedCamera *BKE_tracking_camera_get_reconstructed(
struct MovieTracking *tracking, struct MovieTrackingObject *object, int framenr);
void BKE_tracking_camera_get_reconstructed_interpolate(struct MovieTracking *tracking,
struct MovieTrackingObject *object,
float framenr,
float mat[4][4]);
/* **** Distortion/Undistortion **** */
struct MovieDistortion *BKE_tracking_distortion_new(struct MovieTracking *tracking,
int calibration_width,
int calibration_height);
void BKE_tracking_distortion_update(struct MovieDistortion *distortion,
struct MovieTracking *tracking,
int calibration_width,
int calibration_height);
void BKE_tracking_distortion_set_threads(struct MovieDistortion *distortion, int threads);
struct MovieDistortion *BKE_tracking_distortion_copy(struct MovieDistortion *distortion);
struct ImBuf *BKE_tracking_distortion_exec(struct MovieDistortion *distortion,
struct MovieTracking *tracking,
struct ImBuf *ibuf,
int width,
int height,
float overscan,
bool undistort);
void BKE_tracking_distortion_distort_v2(struct MovieDistortion *distortion,
const float co[2],
float r_co[2]);
void BKE_tracking_distortion_undistort_v2(struct MovieDistortion *distortion,
const float co[2],
float r_co[2]);
void BKE_tracking_distortion_free(struct MovieDistortion *distortion);
void BKE_tracking_distort_v2(struct MovieTracking *tracking,
int image_width,
int image_height,
const float co[2],
float r_co[2]);
void BKE_tracking_undistort_v2(struct MovieTracking *tracking,
int image_width,
int image_height,
const float co[2],
float r_co[2]);
struct ImBuf *BKE_tracking_undistort_frame(struct MovieTracking *tracking,
struct ImBuf *ibuf,
int calibration_width,
int calibration_height,
float overscan);
struct ImBuf *BKE_tracking_distort_frame(struct MovieTracking *tracking,
struct ImBuf *ibuf,
int calibration_width,
int calibration_height,
float overscan);
void BKE_tracking_max_distortion_delta_across_bound(struct MovieTracking *tracking,
int image_width,
int image_height,
struct rcti *rect,
bool undistort,
float delta[2]);
/* **** Image sampling **** */
struct ImBuf *BKE_tracking_sample_pattern(int frame_width,
int frame_height,
struct ImBuf *search_ib,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker,
bool from_anchor,
bool use_mask,
int num_samples_x,
int num_samples_y,
float pos[2]);
struct ImBuf *BKE_tracking_get_pattern_imbuf(struct ImBuf *ibuf,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker,
bool anchored,
bool disable_channels);
struct ImBuf *BKE_tracking_get_search_imbuf(struct ImBuf *ibuf,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker,
bool anchored,
bool disable_channels);
/**
* Zap channels from the imbuf that are disabled by the user. this can lead to
* better tracks sometimes. however, instead of simply zeroing the channels
* out, do a partial gray-scale conversion so the display is better.
*/
void BKE_tracking_disable_channels(
struct ImBuf *ibuf, bool disable_red, bool disable_green, bool disable_blue, bool grayscale);
/* **** 2D tracking **** */
/**
* Refine marker's position using previously known keyframe.
* Direction of searching for a keyframe depends on backwards flag,
* which means if backwards is false, previous keyframe will be as reference.
*/
void BKE_tracking_refine_marker(struct MovieClip *clip,
struct MovieTrackingTrack *track,
struct MovieTrackingMarker *marker,
bool backwards);
/* *** 2D auto track *** */
struct AutoTrackContext *BKE_autotrack_context_new(struct MovieClip *clip,
struct MovieClipUser *user,
const bool is_backwards);
bool BKE_autotrack_context_step(struct AutoTrackContext *context);
void BKE_autotrack_context_sync(struct AutoTrackContext *context);
void BKE_autotrack_context_sync_user(struct AutoTrackContext *context, struct MovieClipUser *user);
void BKE_autotrack_context_finish(struct AutoTrackContext *context);
void BKE_autotrack_context_free(struct AutoTrackContext *context);
/* **** Plane tracking **** */
/**
* \note frame number should be in clip space, not scene space.
*/
void BKE_tracking_track_plane_from_existing_motion(struct MovieTrackingPlaneTrack *plane_track,
int start_frame);
void BKE_tracking_retrack_plane_from_existing_motion_at_segment(
struct MovieTrackingPlaneTrack *plane_track, int start_frame);
void BKE_tracking_homography_between_two_quads(/*const*/ float reference_corners[4][2],
/*const*/ float corners[4][2],
float H[3][3]);
/* **** Camera solving **** */
/**
* Perform early check on whether everything is fine to start reconstruction.
*/
bool BKE_tracking_reconstruction_check(struct MovieTracking *tracking,
struct MovieTrackingObject *object,
char *error_msg,
int error_size);
/**
* Create context for camera/object motion reconstruction.
* Copies all data needed for reconstruction from movie clip datablock,
* so editing this clip is safe during reconstruction job is in progress.
*/
struct MovieReconstructContext *BKE_tracking_reconstruction_context_new(
struct MovieClip *clip,
struct MovieTrackingObject *object,
int keyframe1,
int keyframe2,
int width,
int height);
/**
* Free memory used by a reconstruction process.
*/
void BKE_tracking_reconstruction_context_free(struct MovieReconstructContext *context);
/**
* Solve camera/object motion and reconstruct 3D markers position
* from a prepared reconstruction context.
*
* stop is not actually used at this moment, so reconstruction
* job could not be stopped.
*
* do_update, progress and stat_message are set by reconstruction
* callback in libmv side and passing to an interface.
*/
void BKE_tracking_reconstruction_solve(struct MovieReconstructContext *context,
short *stop,
short *do_update,
float *progress,
char *stats_message,
int message_size);
/**
* Finish reconstruction process by copying reconstructed data to an actual movie clip data-block.
*/
bool BKE_tracking_reconstruction_finish(struct MovieReconstructContext *context,
struct MovieTracking *tracking);
void BKE_tracking_reconstruction_report_error_message(struct MovieReconstructContext *context,
const char *error_message);
const char *BKE_tracking_reconstruction_error_message_get(
const struct MovieReconstructContext *context);
/**
* Apply scale on all reconstructed cameras and bundles, used by camera scale apply operator.
*/
void BKE_tracking_reconstruction_scale(struct MovieTracking *tracking, float scale[3]);
/* **** Feature detection **** */
/**
* Detect features using FAST detector.
*/
void BKE_tracking_detect_fast(struct MovieTracking *tracking,
struct ListBase *tracksbase,
struct ImBuf *ibuf,
int framenr,
int margin,
int min_trackness,
int min_distance,
struct bGPDlayer *layer,
bool place_outside_layer);
/**
* Detect features using Harris detector.
*/
void BKE_tracking_detect_harris(struct MovieTracking *tracking,
struct ListBase *tracksbase,
struct ImBuf *ibuf,
int framenr,
int margin,
float threshold,
int min_distance,
struct bGPDlayer *layer,
bool place_outside_layer);
/* **** 2D stabilization **** */
/**
* Get stabilization data (translation, scaling and angle) for a given frame.
* Returned data describes how to compensate the detected movement, but with any
* chosen scale factor already applied and any target frame position already compensated.
* In case stabilization fails or is disabled, neutral values are returned.
*
* \param framenr: is a frame number, relative to the clip (not relative to the scene timeline).
* \param width: is an effective width of the canvas (square pixels), used to scale the
* determined translation.
*
* Outputs:
* \param translation: of the lateral shift, absolute canvas coordinates (square pixels).
* \param scale: of the scaling to apply.
* \param angle: of the rotation angle, relative to the frame center.
*
* TODO(sergey): Use `r_` prefix for output parameters here.
*/
void BKE_tracking_stabilization_data_get(struct MovieClip *clip,
int framenr,
int width,
int height,
float translation[2],
float *scale,
float *angle);
/**
* Stabilize given image buffer using stabilization data for a specified frame number.
*
* \note frame number should be in clip space, not scene space.
*
* TODO(sergey): Use `r_` prefix for output parameters here.
*/
struct ImBuf *BKE_tracking_stabilize_frame(struct MovieClip *clip,
int framenr,
struct ImBuf *ibuf,
float translation[2],
float *scale,
float *angle);
/**
* Build a 4x4 transformation matrix based on the given 2D stabilization data.
* mat is a 4x4 matrix in homogeneous coordinates, adapted to the
* final image buffer size and compensated for pixel aspect ratio,
* ready for direct OpenGL drawing.
*
* TODO(sergey): The signature of this function should be changed. we actually
* don't need the dimensions of the image buffer. Instead we
* should consider to provide the pivot point of the rotation as a
* further stabilization data parameter.
*/
void BKE_tracking_stabilization_data_to_mat4(int width,
int height,
float aspect,
float translation[2],
float scale,
float angle,
float mat[4][4]);
/* Dope-sheet */
/**
* Tag dope-sheet for update, actual update will happen later when it'll be actually needed.
*/
void BKE_tracking_dopesheet_tag_update(struct MovieTracking *tracking);
/**
* Do dope-sheet update, if update is not needed nothing will happen.
*/
void BKE_tracking_dopesheet_update(struct MovieTracking *tracking);
/* **** Query/search **** */
/**
* \note Returns NULL if the track comes from camera object,.
*/
struct MovieTrackingObject *BKE_tracking_find_object_for_track(
const struct MovieTracking *tracking, const struct MovieTrackingTrack *track);
struct ListBase *BKE_tracking_find_tracks_list_for_track(struct MovieTracking *tracking,
const struct MovieTrackingTrack *track);
/**
* \note Returns NULL if the track comes from camera object,.
*/
struct MovieTrackingObject *BKE_tracking_find_object_for_plane_track(
const struct MovieTracking *tracking, const struct MovieTrackingPlaneTrack *plane_track);
struct ListBase *BKE_tracking_find_tracks_list_for_plane_track(
struct MovieTracking *tracking, const struct MovieTrackingPlaneTrack *plane_track);
void BKE_tracking_get_rna_path_for_track(const struct MovieTracking *tracking,
const struct MovieTrackingTrack *track,
char *rna_path,
size_t rna_path_len);
void BKE_tracking_get_rna_path_prefix_for_track(const struct MovieTracking *tracking,
const struct MovieTrackingTrack *track,
char *rna_path,
size_t rna_path_len);
void BKE_tracking_get_rna_path_for_plane_track(const struct MovieTracking *tracking,
const struct MovieTrackingPlaneTrack *plane_track,
char *rna_path,
size_t rna_path_len);
void BKE_tracking_get_rna_path_prefix_for_plane_track(
const struct MovieTracking *tracking,
const struct MovieTrackingPlaneTrack *plane_track,
char *rna_path,
size_t rna_path_len);
/* **** Utility macros **** */
#define TRACK_SELECTED(track) \
((track)->flag & SELECT || (track)->pat_flag & SELECT || (track)->search_flag & SELECT)
#define TRACK_AREA_SELECTED(track, area) \
((area) == TRACK_AREA_POINT ? \
(track)->flag & SELECT : \
((area) == TRACK_AREA_PAT ? (track)->pat_flag & SELECT : (track)->search_flag & SELECT))
#define TRACK_VIEW_SELECTED(sc, track) \
((((track)->flag & TRACK_HIDDEN) == 0) && \
(TRACK_AREA_SELECTED(track, TRACK_AREA_POINT) || \
(((sc)->flag & SC_SHOW_MARKER_PATTERN) && TRACK_AREA_SELECTED(track, TRACK_AREA_PAT)) || \
(((sc)->flag & SC_SHOW_MARKER_SEARCH) && TRACK_AREA_SELECTED(track, TRACK_AREA_SEARCH))))
#define PLANE_TRACK_VIEW_SELECTED(plane_track) \
((((plane_track)->flag & PLANE_TRACK_HIDDEN) == 0) && ((plane_track)->flag & SELECT))
#define MARKER_VISIBLE(sc, track, marker) \
(((marker)->flag & MARKER_DISABLED) == 0 || ((sc)->flag & SC_HIDE_DISABLED) == 0 || \
((sc)->clip->tracking.act_track == track))
#define TRACK_CLEAR_UPTO 0
#define TRACK_CLEAR_REMAINED 1
#define TRACK_CLEAR_ALL 2
#define CLAMP_PAT_DIM 1
#define CLAMP_PAT_POS 2
#define CLAMP_SEARCH_DIM 3
#define CLAMP_SEARCH_POS 4
#define TRACK_AREA_NONE -1
#define TRACK_AREA_POINT 1
#define TRACK_AREA_PAT 2
#define TRACK_AREA_SEARCH 4
#define TRACK_AREA_ALL (TRACK_AREA_POINT | TRACK_AREA_PAT | TRACK_AREA_SEARCH)
#ifdef __cplusplus
}
#endif