810 lines
34 KiB
C++
810 lines
34 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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#include "DNA_listBase.h"
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#include "BLI_enum_flags.hh"
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#include "BLI_sys_types.h"
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namespace blender {
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struct Camera;
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struct ImBuf;
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struct MovieClip;
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struct MovieClipUser;
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struct MovieDistortion;
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struct MovieReconstructContext;
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struct MovieTracking;
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struct MovieTrackingCamera;
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struct MovieTrackingMarker;
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struct MovieTrackingObject;
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struct MovieTrackingPlaneMarker;
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struct MovieTrackingPlaneTrack;
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struct MovieTrackingTrack;
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struct Object;
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struct Scene;
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struct bGPDlayer;
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struct rcti;
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enum TrackingTrackFlag : int;
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/* --------------------------------------------------------------------
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* Common types and constants.
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*/
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enum eTrackArea {
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TRACK_AREA_POINT = (1 << 0),
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TRACK_AREA_PAT = (1 << 1),
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TRACK_AREA_SEARCH = (1 << 2),
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TRACK_AREA_NONE = 0,
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TRACK_AREA_ALL = (TRACK_AREA_POINT | TRACK_AREA_PAT | TRACK_AREA_SEARCH),
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};
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ENUM_OPERATORS(eTrackArea);
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enum class TrackingCleanAction {
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Select = 0,
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DeleteTrack = 1,
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DeleteSegment = 2,
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};
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/* --------------------------------------------------------------------
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* Common functions.
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*/
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/**
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* Free tracking structure, only frees structure contents
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* (if structure is allocated in heap, it shall be handled outside).
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*
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* All the pointers inside structure becomes invalid after this call.
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*/
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void BKE_tracking_free(MovieTracking *tracking);
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/**
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* Copy tracking structure content.
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*/
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void BKE_tracking_copy(MovieTracking *tracking_dst, const MovieTracking *tracking_src, int flag);
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/**
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* Initialize motion tracking settings to default values,
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* used when new movie clip data-block is created.
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*/
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void BKE_tracking_settings_init(MovieTracking *tracking);
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/* Matrices for constraints and drawing. */
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/**
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* Get transformation matrix for a given object which is used
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* for parenting motion tracker reconstruction to 3D world.
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*/
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void BKE_tracking_get_camera_object_matrix(const Object *camera_object, float mat[4][4]);
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/**
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* Get projection matrix for camera specified by given tracking object
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* and frame number.
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*
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* \note frame number should be in clip space, not scene space.
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*/
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void BKE_tracking_get_projection_matrix(MovieTracking *tracking,
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MovieTrackingObject *tracking_object,
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int framenr,
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int winx,
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int winy,
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float mat[4][4]);
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/* --------------------------------------------------------------------
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* Clipboard.
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*/
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/**
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* Free clipboard by freeing memory used by all tracks in it.
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*/
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void BKE_tracking_clipboard_free();
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/**
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* Copy selected tracks from specified object to the clipboard.
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*/
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void BKE_tracking_clipboard_copy_tracks(MovieTracking *tracking,
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MovieTrackingObject *tracking_object);
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/**
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* Check whether there are any tracks in the clipboard.
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*/
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bool BKE_tracking_clipboard_has_tracks();
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/**
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* Paste tracks from clipboard to specified object.
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*
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* Names of new tracks in object are guaranteed to be unique here.
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*/
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void BKE_tracking_clipboard_paste_tracks(MovieTracking *tracking,
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MovieTrackingObject *tracking_object);
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/* **** Track **** */
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/**
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* Add new empty track to the given list of tracks.
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*
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* It is required that caller will append at least one marker to avoid degenerate tracks.
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*/
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MovieTrackingTrack *BKE_tracking_track_add_empty(MovieTracking *tracking,
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ListBaseT<MovieTrackingTrack> *tracks_list);
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/**
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* Add new track to a specified tracks base.
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*
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* Coordinates are expected to be in normalized 0..1 space,
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* frame number is expected to be in clip space.
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*
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* Width and height are clip's dimension used to scale track's
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* pattern and search regions.
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*/
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MovieTrackingTrack *BKE_tracking_track_add(MovieTracking *tracking,
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ListBaseT<MovieTrackingTrack> *tracksbase,
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float x,
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float y,
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int framenr,
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int width,
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int height);
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/**
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* Duplicate the specified track, result will no belong to any list.
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*/
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MovieTrackingTrack *BKE_tracking_track_duplicate(MovieTrackingTrack *track);
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/**
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* Ensure specified track has got unique name,
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* if it's not name of specified track will be changed
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* keeping names of all other tracks unchanged.
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*/
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void BKE_tracking_track_unique_name(ListBaseT<MovieTrackingTrack> *tracksbase,
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MovieTrackingTrack *track);
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/**
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* Free specified track, only frees contents of a structure
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* (if track is allocated in heap, it shall be handled outside).
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*
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* All the pointers inside track becomes invalid after this call.
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*/
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void BKE_tracking_track_free(MovieTrackingTrack *track);
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/**
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* Get frame numbers of the very first and last markers.
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* There is no check on whether the marker is enabled or not.
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*/
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void BKE_tracking_track_first_last_frame_get(const MovieTrackingTrack *track,
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int *r_first_frame,
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int *r_last_frame);
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/**
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* Find the minimum starting frame and maximum ending frame within given set of tracks.
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*/
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void BKE_tracking_tracks_first_last_frame_minmax(/*const*/ MovieTrackingTrack **tracks,
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int num_tracks,
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int *r_first_frame,
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int *r_last_frame);
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int BKE_tracking_count_selected_tracks_in_list(const ListBaseT<MovieTrackingTrack> *tracks_list);
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int BKE_tracking_count_selected_tracks_in_active_object(/*const*/ MovieTracking *tracking);
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/**
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* Get array of selected tracks from the current active object in the tracking structure.
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* If nothing is selected then the result is nullptr and `r_num_tracks` is set to 0.
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*/
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MovieTrackingTrack **BKE_tracking_selected_tracks_in_active_object(MovieTracking *tracking,
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int *r_num_tracks);
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/**
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* Set flag for all specified track's areas.
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*
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* \param area: which part of marker should be selected.
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* \param flag: flag to be set for areas.
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*/
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void BKE_tracking_track_flag_set(MovieTrackingTrack *track,
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eTrackArea area,
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TrackingTrackFlag flag);
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/**
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* Clear flag from all specified track's areas.
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*
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* \param area: which part of marker should be selected.
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* \param flag: flag to be cleared for areas.
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*/
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void BKE_tracking_track_flag_clear(MovieTrackingTrack *track,
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eTrackArea area,
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TrackingTrackFlag flag);
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/**
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* Check whether track has got marker at specified frame.
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*
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* \note frame number should be in clip space, not scene space.
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*/
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bool BKE_tracking_track_has_marker_at_frame(MovieTrackingTrack *track, int framenr);
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/**
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* Check whether track has got enabled marker at specified frame.
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*
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* \note frame number should be in clip space, not scene space.
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*/
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bool BKE_tracking_track_has_enabled_marker_at_frame(MovieTrackingTrack *track, int framenr);
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/**
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* Clear track's path.
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*
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* \note frame number should be in clip space, not scene space.
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*/
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enum eTrackClearAction {
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/* Clear path from `ref_frame+1` up to the current frame. */
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TRACK_CLEAR_UPTO,
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/* Clear path from the beginning up to `ref_frame-1`. */
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TRACK_CLEAR_REMAINED,
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/* Only marker at frame `ref_frame` will remain. */
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TRACK_CLEAR_ALL,
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};
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void BKE_tracking_track_path_clear(MovieTrackingTrack *track,
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int ref_frame,
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eTrackClearAction action);
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void BKE_tracking_tracks_join(MovieTracking *tracking,
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MovieTrackingTrack *dst_track,
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MovieTrackingTrack *src_track);
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void BKE_tracking_tracks_average(MovieTrackingTrack *dst_track,
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/*const*/ MovieTrackingTrack **src_tracks,
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int num_src_tracks);
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MovieTrackingTrack *BKE_tracking_track_get_for_selection_index(
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MovieTracking *tracking, int selection_index, ListBaseT<MovieTrackingTrack> **r_tracksbase);
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float *BKE_tracking_track_get_mask(int frame_width,
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int frame_height,
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const MovieTrackingTrack *track,
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const MovieTrackingMarker *marker);
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float BKE_tracking_track_get_weight_for_marker(MovieClip *clip,
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MovieTrackingTrack *track,
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MovieTrackingMarker *marker);
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/* --------------------------------------------------------------------
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* Selection.
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*/
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void BKE_tracking_track_select(ListBaseT<MovieTrackingTrack> *tracksbase,
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MovieTrackingTrack *track,
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eTrackArea area,
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bool extend);
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void BKE_tracking_track_deselect(MovieTrackingTrack *track, eTrackArea area);
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void BKE_tracking_tracks_deselect_all(ListBaseT<MovieTrackingTrack> *tracksbase);
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/* --------------------------------------------------------------------
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* Marker.
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*/
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MovieTrackingMarker *BKE_tracking_marker_insert(MovieTrackingTrack *track,
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MovieTrackingMarker *marker);
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void BKE_tracking_marker_delete(MovieTrackingTrack *track, int framenr);
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/**
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* If the pattern area is outside of the search area its position will be modified in a way that it
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* is within the pattern is within the search area.
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*
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* If the pattern area is already within the search area nothing happens.
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*
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* If the pattern area is bigger than the search area the behavior is undefined.
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*
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* Search area is never modified.
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*/
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void BKE_tracking_marker_clamp_pattern_position(MovieTrackingMarker *marker);
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/**
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* If the search size is such that pattern area is (partially) outside of the search area make the
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* search area bigger so that the pattern is within the search area.
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*
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* Pattern area is never modified.
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*/
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void BKE_tracking_marker_clamp_search_size(MovieTrackingMarker *marker);
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/**
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* If the search position is such that pattern area is (partially) outside of the search area move
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* the search area so that the pattern is within the search area.
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*
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* If the search area is smaller than the pattern the behavior is undefined.
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*
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* Pattern area is never modified.
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*/
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void BKE_tracking_marker_clamp_search_position(MovieTrackingMarker *marker);
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/**
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* Get marker closest to the given frame number.
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*
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* If there is maker with exact frame number it returned.
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* Otherwise, marker with highest frame number but lower than the requested
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* frame is returned if such marker exists. Otherwise, the marker with lowest
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* frame number greater than the requested frame number is returned.
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*
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* This function has complexity of `O(log number_of_markers)`.
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*/
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MovieTrackingMarker *BKE_tracking_marker_get(MovieTrackingTrack *track, int framenr);
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MovieTrackingMarker *BKE_tracking_marker_get_exact(MovieTrackingTrack *track, int framenr);
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MovieTrackingMarker *BKE_tracking_marker_ensure(MovieTrackingTrack *track, int framenr);
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/**
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* Get marker position, possibly interpolating gap between key-framed/tracked markers.
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*
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* The result marker frame number is set to the requested frame number. Its flags are 0 if the
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* marker is interpolated, and is set to original marker flag if there were no interpolation
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* involved.
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*
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* \returns truth if the result is usable.
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*/
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bool BKE_tracking_marker_get_interpolated(MovieTrackingTrack *track,
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int framenr,
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MovieTrackingMarker *r_marker);
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void BKE_tracking_marker_pattern_minmax(const MovieTrackingMarker *marker,
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float min[2],
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float max[2]);
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void BKE_tracking_marker_get_subframe_position(MovieTrackingTrack *track,
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float framenr,
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float pos[2]);
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/* --------------------------------------------------------------------
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* Plane track.
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*/
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/**
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* Creates new plane track out of selected point tracks.
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*/
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MovieTrackingPlaneTrack *BKE_tracking_plane_track_add(
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MovieTracking *tracking,
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ListBaseT<MovieTrackingPlaneTrack> *plane_tracks_base,
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ListBaseT<MovieTrackingTrack> *tracks,
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int framenr);
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void BKE_tracking_plane_track_unique_name(ListBaseT<MovieTrackingPlaneTrack> *plane_tracks_base,
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MovieTrackingPlaneTrack *plane_track);
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/**
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* Free specified plane track, only frees contents of a structure
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* (if track is allocated in heap, it shall be handled outside).
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*
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* All the pointers inside track becomes invalid after this call.
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*/
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void BKE_tracking_plane_track_free(MovieTrackingPlaneTrack *plane_track);
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bool BKE_tracking_plane_track_has_marker_at_frame(MovieTrackingPlaneTrack *plane_track,
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int framenr);
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bool BKE_tracking_plane_track_has_enabled_marker_at_frame(MovieTrackingPlaneTrack *plane_track,
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int framenr);
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void BKE_tracking_plane_tracks_deselect_all(ListBaseT<MovieTrackingPlaneTrack> *plane_tracks_base);
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bool BKE_tracking_plane_track_has_point_track(MovieTrackingPlaneTrack *plane_track,
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MovieTrackingTrack *track);
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bool BKE_tracking_plane_track_remove_point_track(MovieTrackingPlaneTrack *plane_track,
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MovieTrackingTrack *track);
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void BKE_tracking_plane_tracks_remove_point_track(MovieTracking *tracking,
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MovieTrackingTrack *track);
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void BKE_tracking_plane_track_replace_point_track(MovieTrackingPlaneTrack *plane_track,
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MovieTrackingTrack *old_track,
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MovieTrackingTrack *new_track);
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void BKE_tracking_plane_tracks_replace_point_track(MovieTracking *tracking,
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MovieTrackingTrack *old_track,
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MovieTrackingTrack *new_track);
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/* --------------------------------------------------------------------
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* Plane marker.
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*/
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MovieTrackingPlaneMarker *BKE_tracking_plane_marker_insert(MovieTrackingPlaneTrack *plane_track,
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MovieTrackingPlaneMarker *plane_marker);
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void BKE_tracking_plane_marker_delete(MovieTrackingPlaneTrack *plane_track, int framenr);
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/**
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* Get a plane marker at given frame,
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* If there's no such marker, closest one from the left side will be returned.
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*/
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MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get(MovieTrackingPlaneTrack *plane_track,
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int framenr);
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/**
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* Get a plane marker at exact given frame, if there's no marker at the frame,
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* NULL will be returned.
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*/
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MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get_exact(MovieTrackingPlaneTrack *plane_track,
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int framenr);
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/**
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* Ensure there's a marker for the given frame.
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*/
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MovieTrackingPlaneMarker *BKE_tracking_plane_marker_ensure(MovieTrackingPlaneTrack *plane_track,
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int framenr);
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void BKE_tracking_plane_marker_get_subframe_corners(MovieTrackingPlaneTrack *plane_track,
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float framenr,
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float corners[4][2]);
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/* --------------------------------------------------------------------
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* Object.
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*/
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MovieTrackingObject *BKE_tracking_object_add(MovieTracking *tracking, const char *name);
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bool BKE_tracking_object_delete(MovieTracking *tracking, MovieTrackingObject *tracking_object);
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void BKE_tracking_object_unique_name(MovieTracking *tracking,
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MovieTrackingObject *tracking_object);
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MovieTrackingObject *BKE_tracking_object_get_named(MovieTracking *tracking, const char *name);
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MovieTrackingObject *BKE_tracking_object_get_active(const MovieTracking *tracking);
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MovieTrackingObject *BKE_tracking_object_get_camera(const MovieTracking *tracking);
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/* Find point track with the given name in the tracking object.
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* If such track does not exist NULL is returned. */
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MovieTrackingTrack *BKE_tracking_object_find_track_with_name(MovieTrackingObject *tracking_object,
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const char *name);
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/* Find plane track with the given name in the tracking object.
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* If such track does not exist NULL is returned. */
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MovieTrackingPlaneTrack *BKE_tracking_object_find_plane_track_with_name(
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MovieTrackingObject *tracking_object, const char *name);
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/* --------------------------------------------------------------------
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* Camera.
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*/
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/**
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* Converts principal offset from center to offset of blender's camera.
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*/
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void BKE_tracking_camera_shift_get(
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MovieTracking *tracking, int winx, int winy, float *shiftx, float *shifty);
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void BKE_tracking_camera_to_blender(
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MovieTracking *tracking, Scene *scene, Camera *camera, int width, int height);
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struct MovieReconstructedCamera *BKE_tracking_camera_get_reconstructed(
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MovieTracking *tracking, MovieTrackingObject *tracking_object, int framenr);
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void BKE_tracking_camera_get_reconstructed_interpolate(MovieTracking *tracking,
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MovieTrackingObject *tracking_object,
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float framenr,
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float mat[4][4]);
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/* Access the principal point in pixels space. */
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void BKE_tracking_camera_principal_point_pixel_get(MovieClip *clip,
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float r_principal_point_pixel[2]);
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void BKE_tracking_camera_principal_point_pixel_set(MovieClip *clip,
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const float principal_point_pixel[2]);
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/* Compares distortion related parameters of camera. Ideally, this implementation will be
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* abstracted away in the future, but for now, one needs to be careful about it and handle any
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* extra parameters of distortions models. */
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bool BKE_tracking_camera_distortion_equal(const MovieTrackingCamera *a,
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const MovieTrackingCamera *b);
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/* Hashes distortion related parameters of camera. Ideally, this implementation will be
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* abstracted away in the future, but for now, one needs to be careful about it and handle any
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* extra parameters of distortions models. */
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uint64_t BKE_tracking_camera_distortion_hash(const MovieTrackingCamera *camera);
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/* --------------------------------------------------------------------
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* (Un)distortion.
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*/
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MovieDistortion *BKE_tracking_distortion_new(MovieTracking *tracking,
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int calibration_width,
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int calibration_height);
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void BKE_tracking_distortion_update(MovieDistortion *distortion,
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MovieTracking *tracking,
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int calibration_width,
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int calibration_height);
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MovieDistortion *BKE_tracking_distortion_copy(MovieDistortion *distortion);
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ImBuf *BKE_tracking_distortion_exec(MovieDistortion *distortion,
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MovieTracking *tracking,
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ImBuf *ibuf,
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int width,
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int height,
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float overscan,
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bool undistort);
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void BKE_tracking_distortion_distort_v2(MovieDistortion *distortion,
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const float co[2],
|
|
float r_co[2]);
|
|
void BKE_tracking_distortion_undistort_v2(MovieDistortion *distortion,
|
|
const float co[2],
|
|
float r_co[2]);
|
|
void BKE_tracking_distortion_free(MovieDistortion *distortion);
|
|
|
|
void BKE_tracking_distort_v2(
|
|
MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2]);
|
|
void BKE_tracking_undistort_v2(
|
|
MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2]);
|
|
|
|
ImBuf *BKE_tracking_undistort_frame(MovieTracking *tracking,
|
|
ImBuf *ibuf,
|
|
int calibration_width,
|
|
int calibration_height,
|
|
float overscan);
|
|
ImBuf *BKE_tracking_distort_frame(MovieTracking *tracking,
|
|
ImBuf *ibuf,
|
|
int calibration_width,
|
|
int calibration_height,
|
|
float overscan);
|
|
|
|
/* --------------------------------------------------------------------
|
|
* Image sampling.
|
|
*/
|
|
|
|
ImBuf *BKE_tracking_sample_pattern(int frame_width,
|
|
int frame_height,
|
|
const ImBuf *search_ib,
|
|
const MovieTrackingTrack *track,
|
|
const MovieTrackingMarker *marker,
|
|
bool from_anchor,
|
|
bool use_mask,
|
|
int num_samples_x,
|
|
int num_samples_y,
|
|
float pos[2]);
|
|
ImBuf *BKE_tracking_get_pattern_imbuf(const ImBuf *ibuf,
|
|
const MovieTrackingTrack *track,
|
|
const MovieTrackingMarker *marker,
|
|
bool anchored,
|
|
bool disable_channels);
|
|
ImBuf *BKE_tracking_get_search_imbuf(const ImBuf *ibuf,
|
|
const MovieTrackingTrack *track,
|
|
const MovieTrackingMarker *marker,
|
|
bool anchored,
|
|
bool disable_channels);
|
|
|
|
/* Create a new image buffer which consists of pixels which the plane marker "sees".
|
|
* The function will choose best image resolution based on the plane marker size. */
|
|
ImBuf *BKE_tracking_get_plane_imbuf(const ImBuf *frame_ibuf,
|
|
const MovieTrackingPlaneMarker *plane_marker);
|
|
|
|
/**
|
|
* 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(
|
|
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(MovieClip *clip,
|
|
MovieTrackingTrack *track,
|
|
MovieTrackingMarker *marker,
|
|
bool backwards);
|
|
|
|
/* --------------------------------------------------------------------
|
|
* 2D tracking using auto-track pipeline.
|
|
*/
|
|
|
|
struct AutoTrackContext *BKE_autotrack_context_new(MovieClip *clip,
|
|
MovieClipUser *user,
|
|
bool is_backwards);
|
|
void BKE_autotrack_context_start(AutoTrackContext *context);
|
|
bool BKE_autotrack_context_step(AutoTrackContext *context);
|
|
void BKE_autotrack_context_sync(AutoTrackContext *context);
|
|
void BKE_autotrack_context_sync_user(AutoTrackContext *context, MovieClipUser *user);
|
|
void BKE_autotrack_context_finish(AutoTrackContext *context);
|
|
void BKE_autotrack_context_free(AutoTrackContext *context);
|
|
|
|
/* --------------------------------------------------------------------
|
|
* Plane tracking.
|
|
*/
|
|
|
|
/**
|
|
* \note frame number should be in clip space, not scene space.
|
|
*/
|
|
void BKE_tracking_track_plane_from_existing_motion(MovieTrackingPlaneTrack *plane_track,
|
|
int start_frame);
|
|
void BKE_tracking_retrack_plane_from_existing_motion_at_segment(
|
|
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(MovieTracking *tracking,
|
|
MovieTrackingObject *tracking_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.
|
|
*/
|
|
MovieReconstructContext *BKE_tracking_reconstruction_context_new(
|
|
MovieClip *clip,
|
|
MovieTrackingObject *tracking_object,
|
|
int keyframe1,
|
|
int keyframe2,
|
|
int width,
|
|
int height);
|
|
/**
|
|
* Free memory used by a reconstruction process.
|
|
*/
|
|
void BKE_tracking_reconstruction_context_free(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(MovieReconstructContext *context,
|
|
bool *stop,
|
|
bool *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(MovieReconstructContext *context, MovieTracking *tracking);
|
|
|
|
void BKE_tracking_reconstruction_report_error_message(MovieReconstructContext *context,
|
|
const char *error_message);
|
|
|
|
const char *BKE_tracking_reconstruction_error_message_get(const MovieReconstructContext *context);
|
|
|
|
/**
|
|
* Apply scale on all reconstructed cameras and bundles, used by camera scale apply operator.
|
|
*/
|
|
void BKE_tracking_reconstruction_scale(MovieTracking *tracking, float scale[3]);
|
|
|
|
/* **** Feature detection **** */
|
|
|
|
/**
|
|
* Detect features using FAST detector.
|
|
*/
|
|
void BKE_tracking_detect_fast(MovieTracking *tracking,
|
|
ListBaseT<MovieTrackingTrack> *tracksbase,
|
|
ImBuf *ibuf,
|
|
int framenr,
|
|
int margin,
|
|
int min_trackness,
|
|
int min_distance,
|
|
bGPDlayer *layer,
|
|
bool place_outside_layer);
|
|
|
|
/**
|
|
* Detect features using Harris detector.
|
|
*/
|
|
void BKE_tracking_detect_harris(MovieTracking *tracking,
|
|
ListBaseT<MovieTrackingTrack> *tracksbase,
|
|
ImBuf *ibuf,
|
|
int framenr,
|
|
int margin,
|
|
float threshold,
|
|
int min_distance,
|
|
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(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.
|
|
*/
|
|
ImBuf *BKE_tracking_stabilize_frame(
|
|
MovieClip *clip, int framenr, 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(MovieTracking *tracking);
|
|
/**
|
|
* Do dope-sheet update, if update is not needed nothing will happen.
|
|
*/
|
|
void BKE_tracking_dopesheet_update(MovieTracking *tracking);
|
|
|
|
/* --------------------------------------------------------------------
|
|
* Query and search.
|
|
*/
|
|
|
|
/**
|
|
* \note Returns NULL if the track comes from camera object,.
|
|
*/
|
|
MovieTrackingObject *BKE_tracking_find_object_for_track(const MovieTracking *tracking,
|
|
const MovieTrackingTrack *track);
|
|
MovieTrackingObject *BKE_tracking_find_object_for_plane_track(
|
|
const MovieTracking *tracking, const MovieTrackingPlaneTrack *plane_track);
|
|
|
|
void BKE_tracking_get_rna_path_for_track(const MovieTracking *tracking,
|
|
const MovieTrackingTrack *track,
|
|
char *rna_path,
|
|
size_t rna_path_maxncpy);
|
|
void BKE_tracking_get_rna_path_prefix_for_track(const MovieTracking *tracking,
|
|
const MovieTrackingTrack *track,
|
|
char *rna_path,
|
|
size_t rna_path_maxncpy);
|
|
void BKE_tracking_get_rna_path_for_plane_track(const MovieTracking *tracking,
|
|
const MovieTrackingPlaneTrack *plane_track,
|
|
char *rna_path,
|
|
size_t rna_path_len);
|
|
void BKE_tracking_get_rna_path_prefix_for_plane_track(const MovieTracking *tracking,
|
|
const MovieTrackingPlaneTrack *plane_track,
|
|
char *rna_path,
|
|
size_t rna_path_maxncpy);
|
|
|
|
/* --------------------------------------------------------------------
|
|
* 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))
|
|
|
|
} // namespace blender
|