3060 lines
90 KiB
C
3060 lines
90 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2011 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Blender Foundation,
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* Sergey Sharybin
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* Keir Mierle
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/intern/tracking.c
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* \ingroup bke
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*/
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#include <stddef.h>
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#include <limits.h>
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#include <math.h>
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#include <memory.h>
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#include "MEM_guardedalloc.h"
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#include "DNA_anim_types.h"
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#include "DNA_gpencil_types.h"
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#include "DNA_camera_types.h"
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#include "DNA_movieclip_types.h"
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#include "DNA_object_types.h" /* SELECT */
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#include "DNA_scene_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_bitmap_draw_2d.h"
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#include "BLI_ghash.h"
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#include "BLI_math.h"
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#include "BLI_math_base.h"
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#include "BLI_listbase.h"
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#include "BLI_string.h"
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#include "BLI_string_utils.h"
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#include "BLI_threads.h"
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#include "BLT_translation.h"
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#include "BKE_fcurve.h"
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#include "BKE_tracking.h"
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#include "BKE_library.h"
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#include "BKE_movieclip.h"
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#include "BKE_object.h"
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#include "BKE_scene.h"
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#include "BKE_layer.h"
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#include "IMB_imbuf_types.h"
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#include "IMB_imbuf.h"
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#include "RNA_access.h"
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#include "libmv-capi.h"
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#include "tracking_private.h"
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typedef struct MovieDistortion {
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struct libmv_CameraIntrinsics *intrinsics;
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/* Parameters needed for coordinates normalization. */
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float principal[2];
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float pixel_aspect;
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float focal;
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} MovieDistortion;
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static struct {
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ListBase tracks;
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} tracking_clipboard;
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/*********************** Common functions *************************/
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/* Free the whole list of tracks, list's head and tail are set to NULL. */
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static void tracking_tracks_free(ListBase *tracks)
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{
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MovieTrackingTrack *track;
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for (track = tracks->first; track; track = track->next) {
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BKE_tracking_track_free(track);
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}
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BLI_freelistN(tracks);
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}
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/* Free the whole list of plane tracks, list's head and tail are set to NULL. */
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static void tracking_plane_tracks_free(ListBase *plane_tracks)
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{
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MovieTrackingPlaneTrack *plane_track;
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for (plane_track = plane_tracks->first; plane_track; plane_track = plane_track->next) {
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BKE_tracking_plane_track_free(plane_track);
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}
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BLI_freelistN(plane_tracks);
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}
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/* Free reconstruction structures, only frees contents of a structure,
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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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static void tracking_reconstruction_free(MovieTrackingReconstruction *reconstruction)
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{
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if (reconstruction->cameras)
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MEM_freeN(reconstruction->cameras);
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}
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/* Free memory used by tracking object, only frees contents of the structure,
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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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static void tracking_object_free(MovieTrackingObject *object)
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{
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tracking_tracks_free(&object->tracks);
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tracking_plane_tracks_free(&object->plane_tracks);
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tracking_reconstruction_free(&object->reconstruction);
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}
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/* Free list of tracking objects, list's head and tail is set to NULL. */
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static void tracking_objects_free(ListBase *objects)
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{
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MovieTrackingObject *object;
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/* Free objects contents. */
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for (object = objects->first; object; object = object->next)
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tracking_object_free(object);
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/* Free objects themselves. */
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BLI_freelistN(objects);
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}
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/* Free memory used by a dopesheet, only frees dopesheet contents.
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* leaving dopesheet crystal clean for further usage.
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*/
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static void tracking_dopesheet_free(MovieTrackingDopesheet *dopesheet)
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{
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MovieTrackingDopesheetChannel *channel;
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/* Free channel's sergments. */
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channel = dopesheet->channels.first;
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while (channel) {
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if (channel->segments) {
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MEM_freeN(channel->segments);
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}
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channel = channel->next;
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}
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/* Free lists themselves. */
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BLI_freelistN(&dopesheet->channels);
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BLI_freelistN(&dopesheet->coverage_segments);
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/* Ensure lists are clean. */
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BLI_listbase_clear(&dopesheet->channels);
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BLI_listbase_clear(&dopesheet->coverage_segments);
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dopesheet->tot_channel = 0;
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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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tracking_tracks_free(&tracking->tracks);
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tracking_plane_tracks_free(&tracking->plane_tracks);
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tracking_reconstruction_free(&tracking->reconstruction);
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tracking_objects_free(&tracking->objects);
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if (tracking->camera.intrinsics)
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BKE_tracking_distortion_free(tracking->camera.intrinsics);
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tracking_dopesheet_free(&tracking->dopesheet);
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}
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/* Copy the whole list of tracks. */
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static void tracking_tracks_copy(ListBase *tracks_dst, const ListBase *tracks_src, GHash *tracks_mapping, const int flag)
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{
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MovieTrackingTrack *track_dst, *track_src;
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BLI_listbase_clear(tracks_dst);
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BLI_ghash_clear(tracks_mapping, NULL, NULL);
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for (track_src = tracks_src->first; track_src != NULL; track_src = track_src->next) {
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track_dst = MEM_dupallocN(track_src);
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if (track_src->markers) {
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track_dst->markers = MEM_dupallocN(track_src->markers);
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}
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if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
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id_us_plus(&track_dst->gpd->id);
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}
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BLI_addtail(tracks_dst, track_dst);
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BLI_ghash_insert(tracks_mapping, track_src, track_dst);
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}
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}
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/* copy the whole list of plane tracks (need whole MovieTracking structures due to embedded pointers to tracks).
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* WARNING: implies tracking_[dst/src] and their tracks have already been copied. */
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static void tracking_plane_tracks_copy(
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ListBase *plane_tracks_dst, const ListBase *plane_tracks_src, GHash *tracks_mapping, const int flag)
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{
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MovieTrackingPlaneTrack *plane_track_dst, *plane_track_src;
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BLI_listbase_clear(plane_tracks_dst);
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for (plane_track_src = plane_tracks_src->first; plane_track_src != NULL; plane_track_src = plane_track_src->next) {
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plane_track_dst = MEM_dupallocN(plane_tracks_src);
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if (plane_track_src->markers) {
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plane_track_dst->markers = MEM_dupallocN(plane_track_src->markers);
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}
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plane_track_dst->point_tracks = MEM_mallocN(sizeof(*plane_track_dst->point_tracks) * plane_track_dst->point_tracksnr, __func__);
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for (int i = 0; i < plane_track_dst->point_tracksnr; i++) {
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plane_track_dst->point_tracks[i] = BLI_ghash_lookup(tracks_mapping, plane_track_src->point_tracks[i]);
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}
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if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
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id_us_plus(&plane_track_dst->image->id);
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}
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BLI_addtail(plane_tracks_dst, plane_track_dst);
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}
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}
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/* Copy reconstruction structure. */
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static void tracking_reconstruction_copy(
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MovieTrackingReconstruction *reconstruction_dst, const MovieTrackingReconstruction *reconstruction_src,
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const int UNUSED(flag))
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{
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*reconstruction_dst = *reconstruction_src;
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if (reconstruction_src->cameras) {
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reconstruction_dst->cameras = MEM_dupallocN(reconstruction_src->cameras);
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}
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}
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/* Copy stabilization structure. */
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static void tracking_stabilization_copy(
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MovieTrackingStabilization *stabilization_dst, const MovieTrackingStabilization *stabilization_src,
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const int UNUSED(flag))
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{
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*stabilization_dst = *stabilization_src;
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}
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/* Copy tracking object. */
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static void tracking_object_copy(
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MovieTrackingObject *object_dst, const MovieTrackingObject *object_src, GHash *tracks_mapping, const int flag)
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{
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*object_dst = *object_src;
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tracking_tracks_copy(&object_dst->tracks, &object_src->tracks, tracks_mapping, flag);
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tracking_plane_tracks_copy(&object_dst->plane_tracks, &object_src->plane_tracks, tracks_mapping, flag);
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tracking_reconstruction_copy(&object_dst->reconstruction, &object_src->reconstruction, flag);
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}
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/* Copy list of tracking objects. */
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static void tracking_objects_copy(
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ListBase *objects_dst, const ListBase *objects_src, GHash *tracks_mapping, const int flag)
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{
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MovieTrackingObject *object_dst, *object_src;
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BLI_listbase_clear(objects_dst);
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for (object_src = objects_src->first; object_src != NULL; object_src = object_src->next) {
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object_dst = MEM_mallocN(sizeof(*object_dst), __func__);
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tracking_object_copy(object_dst, object_src, tracks_mapping, flag);
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BLI_addtail(objects_dst, object_dst);
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}
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}
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/* Copy tracking structure content. */
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void BKE_tracking_copy(MovieTracking *tracking_dst, const MovieTracking *tracking_src, const int flag)
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{
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GHash *tracks_mapping = BLI_ghash_ptr_new(__func__);
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*tracking_dst = *tracking_src;
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tracking_tracks_copy(&tracking_dst->tracks, &tracking_src->tracks, tracks_mapping, flag);
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tracking_plane_tracks_copy(&tracking_dst->plane_tracks, &tracking_src->plane_tracks, tracks_mapping, flag);
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tracking_reconstruction_copy(&tracking_dst->reconstruction, &tracking_src->reconstruction, flag);
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tracking_stabilization_copy(&tracking_dst->stabilization, &tracking_src->stabilization, flag);
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if (tracking_src->act_track) {
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tracking_dst->act_track = BLI_ghash_lookup(tracks_mapping, tracking_src->act_track);
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}
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if (tracking_src->act_plane_track) {
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MovieTrackingPlaneTrack *plane_track_src, *plane_track_dst;
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for (plane_track_src = tracking_src->plane_tracks.first, plane_track_dst = tracking_dst->plane_tracks.first;
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!ELEM(NULL, plane_track_src, plane_track_dst);
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plane_track_src = plane_track_src->next, plane_track_dst = plane_track_dst->next)
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{
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if (plane_track_src == tracking_src->act_plane_track) {
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tracking_dst->act_plane_track = plane_track_dst;
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break;
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}
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}
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}
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/* Warning! Will override tracks_mapping. */
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tracking_objects_copy(&tracking_dst->objects, &tracking_src->objects, tracks_mapping, flag);
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/* Those remaining are runtime data, they will be reconstructed as needed, do not bother copying them. */
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tracking_dst->dopesheet.ok = false;
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BLI_listbase_clear(&tracking_dst->dopesheet.channels);
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BLI_listbase_clear(&tracking_dst->dopesheet.coverage_segments);
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tracking_dst->camera.intrinsics = NULL;
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tracking_dst->stats = NULL;
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BLI_ghash_free(tracks_mapping, NULL, NULL);
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}
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/* Initialize motion tracking settings to default values,
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* used when new movie clip datablock is created.
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*/
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void BKE_tracking_settings_init(MovieTracking *tracking)
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{
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tracking->camera.sensor_width = 35.0f;
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tracking->camera.pixel_aspect = 1.0f;
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tracking->camera.units = CAMERA_UNITS_MM;
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tracking->settings.default_motion_model = TRACK_MOTION_MODEL_TRANSLATION;
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tracking->settings.default_minimum_correlation = 0.75;
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tracking->settings.default_pattern_size = 21;
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tracking->settings.default_search_size = 71;
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tracking->settings.default_algorithm_flag |= TRACK_ALGORITHM_FLAG_USE_BRUTE;
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tracking->settings.default_weight = 1.0f;
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tracking->settings.dist = 1;
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tracking->settings.object_distance = 1;
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tracking->stabilization.scaleinf = 1.0f;
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tracking->stabilization.anchor_frame = 1;
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zero_v2(tracking->stabilization.target_pos);
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tracking->stabilization.target_rot = 0.0f;
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tracking->stabilization.scale = 1.0f;
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tracking->stabilization.act_track = 0;
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tracking->stabilization.act_rot_track = 0;
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tracking->stabilization.tot_track = 0;
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tracking->stabilization.tot_rot_track = 0;
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tracking->stabilization.scaleinf = 1.0f;
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tracking->stabilization.locinf = 1.0f;
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tracking->stabilization.rotinf = 1.0f;
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tracking->stabilization.maxscale = 2.0f;
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tracking->stabilization.filter = TRACKING_FILTER_BILINEAR;
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tracking->stabilization.flag |= TRACKING_SHOW_STAB_TRACKS;
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BKE_tracking_object_add(tracking, "Camera");
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}
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/* Get list base of active object's tracks. */
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ListBase *BKE_tracking_get_active_tracks(MovieTracking *tracking)
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{
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MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
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if (object && (object->flag & TRACKING_OBJECT_CAMERA) == 0) {
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return &object->tracks;
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}
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return &tracking->tracks;
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}
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/* Get list base of active object's plane tracks. */
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ListBase *BKE_tracking_get_active_plane_tracks(MovieTracking *tracking)
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{
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MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
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if (object && (object->flag & TRACKING_OBJECT_CAMERA) == 0) {
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return &object->plane_tracks;
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}
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return &tracking->plane_tracks;
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}
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/* Get reconstruction data of active object. */
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MovieTrackingReconstruction *BKE_tracking_get_active_reconstruction(MovieTracking *tracking)
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{
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MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
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return BKE_tracking_object_get_reconstruction(tracking, object);
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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(struct Depsgraph *depsgraph, Scene *scene, Object *ob, float mat[4][4])
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{
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if (!ob) {
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if (scene->camera)
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ob = scene->camera;
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else
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ob = BKE_view_layer_camera_find(BKE_view_layer_context_active_PLACEHOLDER(scene));
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}
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if (ob)
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BKE_object_where_is_calc_mat4(depsgraph, scene, ob, mat);
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else
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unit_m4(mat);
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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, MovieTrackingObject *object,
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int framenr, int winx, int winy, float mat[4][4])
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{
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MovieReconstructedCamera *camera;
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float lens = tracking->camera.focal * tracking->camera.sensor_width / (float)winx;
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float viewfac, pixsize, left, right, bottom, top, clipsta, clipend;
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float winmat[4][4];
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float ycor = 1.0f / tracking->camera.pixel_aspect;
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float shiftx, shifty, winside = (float)min_ii(winx, winy);
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BKE_tracking_camera_shift_get(tracking, winx, winy, &shiftx, &shifty);
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clipsta = 0.1f;
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clipend = 1000.0f;
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if (winx >= winy)
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viewfac = (lens * winx) / tracking->camera.sensor_width;
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else
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viewfac = (ycor * lens * winy) / tracking->camera.sensor_width;
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pixsize = clipsta / viewfac;
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left = -0.5f * (float)winx + shiftx * winside;
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bottom = -0.5f * (ycor) * (float)winy + shifty * winside;
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right = 0.5f * (float)winx + shiftx * winside;
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top = 0.5f * (ycor) * (float)winy + shifty * winside;
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left *= pixsize;
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right *= pixsize;
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bottom *= pixsize;
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top *= pixsize;
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perspective_m4(winmat, left, right, bottom, top, clipsta, clipend);
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camera = BKE_tracking_camera_get_reconstructed(tracking, object, framenr);
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if (camera) {
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float imat[4][4];
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invert_m4_m4(imat, camera->mat);
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mul_m4_m4m4(mat, winmat, imat);
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}
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else {
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copy_m4_m4(mat, winmat);
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}
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}
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/*********************** clipboard *************************/
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/* Free clipboard by freeing memory used by all tracks in it. */
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void BKE_tracking_clipboard_free(void)
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{
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MovieTrackingTrack *track = tracking_clipboard.tracks.first, *next_track;
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while (track) {
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next_track = track->next;
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BKE_tracking_track_free(track);
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MEM_freeN(track);
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track = next_track;
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}
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BLI_listbase_clear(&tracking_clipboard.tracks);
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}
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|
|
/* Copy selected tracks from specified object to the clipboard. */
|
|
void BKE_tracking_clipboard_copy_tracks(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
MovieTrackingTrack *track = tracksbase->first;
|
|
|
|
/* First drop all tracks from current clipboard. */
|
|
BKE_tracking_clipboard_free();
|
|
|
|
/* Then copy all selected visible tracks to it. */
|
|
while (track) {
|
|
if (TRACK_SELECTED(track) && (track->flag & TRACK_HIDDEN) == 0) {
|
|
MovieTrackingTrack *new_track = BKE_tracking_track_duplicate(track);
|
|
|
|
BLI_addtail(&tracking_clipboard.tracks, new_track);
|
|
}
|
|
|
|
track = track->next;
|
|
}
|
|
}
|
|
|
|
/* Check whether there're any tracks in the clipboard. */
|
|
bool BKE_tracking_clipboard_has_tracks(void)
|
|
{
|
|
return (BLI_listbase_is_empty(&tracking_clipboard.tracks) == false);
|
|
}
|
|
|
|
/* 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(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
MovieTrackingTrack *track = tracking_clipboard.tracks.first;
|
|
|
|
while (track) {
|
|
MovieTrackingTrack *new_track = BKE_tracking_track_duplicate(track);
|
|
if (track->prev == NULL) {
|
|
tracking->act_track = new_track;
|
|
}
|
|
|
|
BLI_addtail(tracksbase, new_track);
|
|
BKE_tracking_track_unique_name(tracksbase, new_track);
|
|
|
|
track = track->next;
|
|
}
|
|
}
|
|
|
|
/*********************** Tracks *************************/
|
|
|
|
/* 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.
|
|
*/
|
|
MovieTrackingTrack *BKE_tracking_track_add(MovieTracking *tracking, ListBase *tracksbase, float x, float y,
|
|
int framenr, int width, int height)
|
|
{
|
|
MovieTrackingTrack *track;
|
|
MovieTrackingMarker marker;
|
|
MovieTrackingSettings *settings = &tracking->settings;
|
|
|
|
float half_pattern = (float)settings->default_pattern_size / 2.0f;
|
|
float half_search = (float)settings->default_search_size / 2.0f;
|
|
float pat[2], search[2];
|
|
|
|
pat[0] = half_pattern / (float)width;
|
|
pat[1] = half_pattern / (float)height;
|
|
|
|
search[0] = half_search / (float)width;
|
|
search[1] = half_search / (float)height;
|
|
|
|
track = MEM_callocN(sizeof(MovieTrackingTrack), "add_marker_exec track");
|
|
strcpy(track->name, "Track");
|
|
|
|
/* fill track's settings from default settings */
|
|
track->motion_model = settings->default_motion_model;
|
|
track->minimum_correlation = settings->default_minimum_correlation;
|
|
track->margin = settings->default_margin;
|
|
track->pattern_match = settings->default_pattern_match;
|
|
track->frames_limit = settings->default_frames_limit;
|
|
track->flag = settings->default_flag;
|
|
track->algorithm_flag = settings->default_algorithm_flag;
|
|
track->weight = settings->default_weight;
|
|
track->weight_stab = settings->default_weight;
|
|
|
|
memset(&marker, 0, sizeof(marker));
|
|
marker.pos[0] = x;
|
|
marker.pos[1] = y;
|
|
marker.framenr = framenr;
|
|
|
|
marker.pattern_corners[0][0] = -pat[0];
|
|
marker.pattern_corners[0][1] = -pat[1];
|
|
|
|
marker.pattern_corners[1][0] = pat[0];
|
|
marker.pattern_corners[1][1] = -pat[1];
|
|
|
|
negate_v2_v2(marker.pattern_corners[2], marker.pattern_corners[0]);
|
|
negate_v2_v2(marker.pattern_corners[3], marker.pattern_corners[1]);
|
|
|
|
copy_v2_v2(marker.search_max, search);
|
|
negate_v2_v2(marker.search_min, search);
|
|
|
|
BKE_tracking_marker_insert(track, &marker);
|
|
|
|
BLI_addtail(tracksbase, track);
|
|
BKE_tracking_track_unique_name(tracksbase, track);
|
|
|
|
return track;
|
|
}
|
|
|
|
/* Duplicate the specified track, result will no belong to any list. */
|
|
MovieTrackingTrack *BKE_tracking_track_duplicate(MovieTrackingTrack *track)
|
|
{
|
|
MovieTrackingTrack *new_track;
|
|
|
|
new_track = MEM_callocN(sizeof(MovieTrackingTrack), "tracking_track_duplicate new_track");
|
|
|
|
*new_track = *track;
|
|
new_track->next = new_track->prev = NULL;
|
|
|
|
new_track->markers = MEM_dupallocN(new_track->markers);
|
|
|
|
/* Orevent duplicate from being used for 2D stabilization.
|
|
* If necessary, it shall be added explicitly.
|
|
*/
|
|
new_track->flag &= ~TRACK_USE_2D_STAB;
|
|
new_track->flag &= ~TRACK_USE_2D_STAB_ROT;
|
|
|
|
return new_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(ListBase *tracksbase, MovieTrackingTrack *track)
|
|
{
|
|
BLI_uniquename(tracksbase, track, CTX_DATA_(BLT_I18NCONTEXT_ID_MOVIECLIP, "Track"), '.',
|
|
offsetof(MovieTrackingTrack, name), sizeof(track->name));
|
|
}
|
|
|
|
/* 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(MovieTrackingTrack *track)
|
|
{
|
|
if (track->markers)
|
|
MEM_freeN(track->markers);
|
|
}
|
|
|
|
/* Set flag for all specified track's areas.
|
|
*
|
|
* area - which part of marker should be selected. see TRACK_AREA_* constants.
|
|
* flag - flag to be set for areas.
|
|
*/
|
|
void BKE_tracking_track_flag_set(MovieTrackingTrack *track, int area, int flag)
|
|
{
|
|
if (area == TRACK_AREA_NONE)
|
|
return;
|
|
|
|
if (area & TRACK_AREA_POINT)
|
|
track->flag |= flag;
|
|
if (area & TRACK_AREA_PAT)
|
|
track->pat_flag |= flag;
|
|
if (area & TRACK_AREA_SEARCH)
|
|
track->search_flag |= flag;
|
|
}
|
|
|
|
/* Clear flag from all specified track's areas.
|
|
*
|
|
* area - which part of marker should be selected. see TRACK_AREA_* constants.
|
|
* flag - flag to be cleared for areas.
|
|
*/
|
|
void BKE_tracking_track_flag_clear(MovieTrackingTrack *track, int area, int flag)
|
|
{
|
|
if (area == TRACK_AREA_NONE)
|
|
return;
|
|
|
|
if (area & TRACK_AREA_POINT)
|
|
track->flag &= ~flag;
|
|
if (area & TRACK_AREA_PAT)
|
|
track->pat_flag &= ~flag;
|
|
if (area & TRACK_AREA_SEARCH)
|
|
track->search_flag &= ~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(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
return BKE_tracking_marker_get_exact(track, framenr) != NULL;
|
|
}
|
|
|
|
/* 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(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
MovieTrackingMarker *marker = BKE_tracking_marker_get_exact(track, framenr);
|
|
|
|
return marker && (marker->flag & MARKER_DISABLED) == 0;
|
|
}
|
|
|
|
/* 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(MovieTrackingTrack *track, int ref_frame, int action)
|
|
{
|
|
int a;
|
|
|
|
if (action == TRACK_CLEAR_REMAINED) {
|
|
a = 1;
|
|
|
|
while (a < track->markersnr) {
|
|
if (track->markers[a].framenr > ref_frame) {
|
|
track->markersnr = a;
|
|
track->markers = MEM_reallocN(track->markers, sizeof(MovieTrackingMarker) * track->markersnr);
|
|
|
|
break;
|
|
}
|
|
|
|
a++;
|
|
}
|
|
|
|
if (track->markersnr)
|
|
tracking_marker_insert_disabled(track, &track->markers[track->markersnr - 1], false, true);
|
|
}
|
|
else if (action == TRACK_CLEAR_UPTO) {
|
|
a = track->markersnr - 1;
|
|
|
|
while (a >= 0) {
|
|
if (track->markers[a].framenr <= ref_frame) {
|
|
memmove(track->markers, track->markers + a, (track->markersnr - a) * sizeof(MovieTrackingMarker));
|
|
|
|
track->markersnr = track->markersnr - a;
|
|
track->markers = MEM_reallocN(track->markers, sizeof(MovieTrackingMarker) * track->markersnr);
|
|
|
|
break;
|
|
}
|
|
|
|
a--;
|
|
}
|
|
|
|
if (track->markersnr)
|
|
tracking_marker_insert_disabled(track, &track->markers[0], true, true);
|
|
}
|
|
else if (action == TRACK_CLEAR_ALL) {
|
|
MovieTrackingMarker *marker, marker_new;
|
|
|
|
marker = BKE_tracking_marker_get(track, ref_frame);
|
|
marker_new = *marker;
|
|
|
|
MEM_freeN(track->markers);
|
|
track->markers = NULL;
|
|
track->markersnr = 0;
|
|
|
|
BKE_tracking_marker_insert(track, &marker_new);
|
|
|
|
tracking_marker_insert_disabled(track, &marker_new, true, true);
|
|
tracking_marker_insert_disabled(track, &marker_new, false, true);
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_tracks_join(MovieTracking *tracking, MovieTrackingTrack *dst_track, MovieTrackingTrack *src_track)
|
|
{
|
|
int i = 0, a = 0, b = 0, tot;
|
|
MovieTrackingMarker *markers;
|
|
|
|
tot = dst_track->markersnr + src_track->markersnr;
|
|
markers = MEM_callocN(tot * sizeof(MovieTrackingMarker), "tmp tracking joined tracks");
|
|
|
|
while (a < src_track->markersnr || b < dst_track->markersnr) {
|
|
if (b >= dst_track->markersnr) {
|
|
markers[i] = src_track->markers[a++];
|
|
}
|
|
else if (a >= src_track->markersnr) {
|
|
markers[i] = dst_track->markers[b++];
|
|
}
|
|
else if (src_track->markers[a].framenr < dst_track->markers[b].framenr) {
|
|
markers[i] = src_track->markers[a++];
|
|
}
|
|
else if (src_track->markers[a].framenr > dst_track->markers[b].framenr) {
|
|
markers[i] = dst_track->markers[b++];
|
|
}
|
|
else {
|
|
if ((src_track->markers[a].flag & MARKER_DISABLED) == 0) {
|
|
if ((dst_track->markers[b].flag & MARKER_DISABLED) == 0) {
|
|
/* both tracks are enabled on this frame, so find the whole segment
|
|
* on which tracks are intersecting and blend tracks using linear
|
|
* interpolation to prevent jumps
|
|
*/
|
|
|
|
MovieTrackingMarker *marker_a, *marker_b;
|
|
int start_a = a, start_b = b, len = 0, frame = src_track->markers[a].framenr;
|
|
int j, inverse = 0;
|
|
|
|
inverse = (b == 0) ||
|
|
(dst_track->markers[b - 1].flag & MARKER_DISABLED) ||
|
|
(dst_track->markers[b - 1].framenr != frame - 1);
|
|
|
|
/* find length of intersection */
|
|
while (a < src_track->markersnr && b < dst_track->markersnr) {
|
|
marker_a = &src_track->markers[a];
|
|
marker_b = &dst_track->markers[b];
|
|
|
|
if (marker_a->flag & MARKER_DISABLED || marker_b->flag & MARKER_DISABLED)
|
|
break;
|
|
|
|
if (marker_a->framenr != frame || marker_b->framenr != frame)
|
|
break;
|
|
|
|
frame++;
|
|
len++;
|
|
a++;
|
|
b++;
|
|
}
|
|
|
|
a = start_a;
|
|
b = start_b;
|
|
|
|
/* linear interpolation for intersecting frames */
|
|
for (j = 0; j < len; j++) {
|
|
float fac = 0.5f;
|
|
|
|
if (len > 1)
|
|
fac = 1.0f / (len - 1) * j;
|
|
|
|
if (inverse)
|
|
fac = 1.0f - fac;
|
|
|
|
marker_a = &src_track->markers[a];
|
|
marker_b = &dst_track->markers[b];
|
|
|
|
markers[i] = dst_track->markers[b];
|
|
interp_v2_v2v2(markers[i].pos, marker_b->pos, marker_a->pos, fac);
|
|
a++;
|
|
b++;
|
|
i++;
|
|
}
|
|
|
|
/* this values will be incremented at the end of the loop cycle */
|
|
a--; b--; i--;
|
|
}
|
|
else {
|
|
markers[i] = src_track->markers[a];
|
|
}
|
|
}
|
|
else {
|
|
markers[i] = dst_track->markers[b];
|
|
}
|
|
|
|
a++;
|
|
b++;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
MEM_freeN(dst_track->markers);
|
|
|
|
dst_track->markers = MEM_callocN(i * sizeof(MovieTrackingMarker), "tracking joined tracks");
|
|
memcpy(dst_track->markers, markers, i * sizeof(MovieTrackingMarker));
|
|
|
|
dst_track->markersnr = i;
|
|
|
|
MEM_freeN(markers);
|
|
|
|
BKE_tracking_dopesheet_tag_update(tracking);
|
|
}
|
|
|
|
MovieTrackingTrack *BKE_tracking_track_get_named(MovieTracking *tracking, MovieTrackingObject *object, const char *name)
|
|
{
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
MovieTrackingTrack *track = tracksbase->first;
|
|
|
|
while (track) {
|
|
if (STREQ(track->name, name))
|
|
return track;
|
|
|
|
track = track->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
MovieTrackingTrack *BKE_tracking_track_get_indexed(MovieTracking *tracking, int tracknr, ListBase **r_tracksbase)
|
|
{
|
|
MovieTrackingObject *object;
|
|
int cur = 1;
|
|
|
|
object = tracking->objects.first;
|
|
while (object) {
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
MovieTrackingTrack *track = tracksbase->first;
|
|
|
|
while (track) {
|
|
if (track->flag & TRACK_HAS_BUNDLE) {
|
|
if (cur == tracknr) {
|
|
*r_tracksbase = tracksbase;
|
|
return track;
|
|
}
|
|
|
|
cur++;
|
|
}
|
|
|
|
track = track->next;
|
|
}
|
|
|
|
object = object->next;
|
|
}
|
|
|
|
*r_tracksbase = NULL;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
MovieTrackingTrack *BKE_tracking_track_get_active(MovieTracking *tracking)
|
|
{
|
|
ListBase *tracksbase;
|
|
|
|
if (!tracking->act_track)
|
|
return NULL;
|
|
|
|
tracksbase = BKE_tracking_get_active_tracks(tracking);
|
|
|
|
/* check that active track is in current tracks list */
|
|
if (BLI_findindex(tracksbase, tracking->act_track) != -1)
|
|
return tracking->act_track;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static bGPDlayer *track_mask_gpencil_layer_get(MovieTrackingTrack *track)
|
|
{
|
|
bGPDlayer *layer;
|
|
|
|
if (!track->gpd)
|
|
return NULL;
|
|
|
|
layer = track->gpd->layers.first;
|
|
|
|
while (layer) {
|
|
if (layer->flag & GP_LAYER_ACTIVE) {
|
|
bGPDframe *frame = layer->frames.first;
|
|
bool ok = false;
|
|
|
|
while (frame) {
|
|
if (frame->strokes.first) {
|
|
ok = true;
|
|
break;
|
|
}
|
|
|
|
frame = frame->next;
|
|
}
|
|
|
|
if (ok)
|
|
return layer;
|
|
}
|
|
|
|
layer = layer->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
typedef struct TrackMaskSetPixelData {
|
|
float *mask;
|
|
int mask_width;
|
|
int mask_height;
|
|
} TrackMaskSetPixelData;
|
|
|
|
static void track_mask_set_pixel_cb(int x, int x_end, int y, void *user_data)
|
|
{
|
|
TrackMaskSetPixelData *data = (TrackMaskSetPixelData *)user_data;
|
|
size_t index = (size_t)y * data->mask_width + x;
|
|
size_t index_end = (size_t)y * data->mask_width + x_end;
|
|
do {
|
|
data->mask[index] = 1.0f;
|
|
} while (++index != index_end);
|
|
}
|
|
|
|
static void track_mask_gpencil_layer_rasterize(int frame_width, int frame_height,
|
|
const float region_min[2],
|
|
bGPDlayer *layer,
|
|
float *mask,
|
|
int mask_width,
|
|
int mask_height)
|
|
{
|
|
bGPDframe *frame = layer->frames.first;
|
|
TrackMaskSetPixelData data;
|
|
|
|
data.mask = mask;
|
|
data.mask_width = mask_width;
|
|
data.mask_height = mask_height;
|
|
|
|
while (frame) {
|
|
bGPDstroke *stroke = frame->strokes.first;
|
|
|
|
while (stroke) {
|
|
bGPDspoint *stroke_points = stroke->points;
|
|
if (stroke->flag & GP_STROKE_2DSPACE) {
|
|
int *mask_points, *point;
|
|
point = mask_points = MEM_callocN(2 * stroke->totpoints * sizeof(int),
|
|
"track mask rasterization points");
|
|
for (int i = 0; i < stroke->totpoints; i++, point += 2) {
|
|
point[0] = stroke_points[i].x * frame_width - region_min[0];
|
|
point[1] = stroke_points[i].y * frame_height - region_min[1];
|
|
}
|
|
/* TODO: add an option to control whether AA is enabled or not */
|
|
BLI_bitmap_draw_2d_poly_v2i_n(
|
|
0, 0, mask_width, mask_height,
|
|
(const int (*)[2])mask_points, stroke->totpoints,
|
|
track_mask_set_pixel_cb, &data);
|
|
MEM_freeN(mask_points);
|
|
}
|
|
stroke = stroke->next;
|
|
}
|
|
frame = frame->next;
|
|
}
|
|
}
|
|
|
|
/* Region is in pixel space, relative to marker's center. */
|
|
float *tracking_track_get_mask_for_region(int frame_width, int frame_height,
|
|
const float region_min[2],
|
|
const float region_max[2],
|
|
MovieTrackingTrack *track)
|
|
{
|
|
float *mask = NULL;
|
|
bGPDlayer *layer = track_mask_gpencil_layer_get(track);
|
|
if (layer != NULL) {
|
|
const int mask_width = region_max[0] - region_min[0];
|
|
const int mask_height = region_max[1] - region_min[1];
|
|
mask = MEM_callocN(mask_width * mask_height * sizeof(float), "track mask");
|
|
track_mask_gpencil_layer_rasterize(frame_width, frame_height,
|
|
region_min,
|
|
layer,
|
|
mask,
|
|
mask_width, mask_height);
|
|
}
|
|
return mask;
|
|
}
|
|
|
|
float *BKE_tracking_track_get_mask(int frame_width, int frame_height,
|
|
MovieTrackingTrack *track,
|
|
MovieTrackingMarker *marker)
|
|
{
|
|
/* Convert normalized space marker's search area to pixel-space region. */
|
|
const float region_min[2] = {marker->search_min[0] * frame_width,
|
|
marker->search_min[1] * frame_height};
|
|
const float region_max[2] = {marker->search_max[0] * frame_width,
|
|
marker->search_max[1] * frame_height};
|
|
return tracking_track_get_mask_for_region(frame_width, frame_height,
|
|
region_min,
|
|
region_max,
|
|
track);
|
|
}
|
|
|
|
float BKE_tracking_track_get_weight_for_marker(MovieClip *clip, MovieTrackingTrack *track, MovieTrackingMarker *marker)
|
|
{
|
|
FCurve *weight_fcurve;
|
|
float weight = track->weight;
|
|
|
|
weight_fcurve = id_data_find_fcurve(&clip->id, track, &RNA_MovieTrackingTrack,
|
|
"weight", 0, NULL);
|
|
|
|
if (weight_fcurve) {
|
|
int scene_framenr =
|
|
BKE_movieclip_remap_clip_to_scene_frame(clip, marker->framenr);
|
|
weight = evaluate_fcurve(weight_fcurve, scene_framenr);
|
|
}
|
|
|
|
return weight;
|
|
}
|
|
|
|
/* area - which part of marker should be selected. see TRACK_AREA_* constants */
|
|
void BKE_tracking_track_select(ListBase *tracksbase, MovieTrackingTrack *track, int area, bool extend)
|
|
{
|
|
if (extend) {
|
|
BKE_tracking_track_flag_set(track, area, SELECT);
|
|
}
|
|
else {
|
|
MovieTrackingTrack *cur = tracksbase->first;
|
|
|
|
while (cur) {
|
|
if ((cur->flag & TRACK_HIDDEN) == 0) {
|
|
if (cur == track) {
|
|
BKE_tracking_track_flag_clear(cur, TRACK_AREA_ALL, SELECT);
|
|
BKE_tracking_track_flag_set(cur, area, SELECT);
|
|
}
|
|
else {
|
|
BKE_tracking_track_flag_clear(cur, TRACK_AREA_ALL, SELECT);
|
|
}
|
|
}
|
|
|
|
cur = cur->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_track_deselect(MovieTrackingTrack *track, int area)
|
|
{
|
|
BKE_tracking_track_flag_clear(track, area, SELECT);
|
|
}
|
|
|
|
void BKE_tracking_tracks_deselect_all(ListBase *tracksbase)
|
|
{
|
|
MovieTrackingTrack *track;
|
|
|
|
for (track = tracksbase->first; track; track = track->next) {
|
|
if ((track->flag & TRACK_HIDDEN) == 0) {
|
|
BKE_tracking_track_flag_clear(track, TRACK_AREA_ALL, SELECT);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************** Marker *************************/
|
|
|
|
MovieTrackingMarker *BKE_tracking_marker_insert(MovieTrackingTrack *track, MovieTrackingMarker *marker)
|
|
{
|
|
MovieTrackingMarker *old_marker = NULL;
|
|
|
|
if (track->markersnr)
|
|
old_marker = BKE_tracking_marker_get_exact(track, marker->framenr);
|
|
|
|
if (old_marker) {
|
|
/* simply replace settings for already allocated marker */
|
|
*old_marker = *marker;
|
|
|
|
return old_marker;
|
|
}
|
|
else {
|
|
int a = track->markersnr;
|
|
|
|
/* find position in array where to add new marker */
|
|
while (a--) {
|
|
if (track->markers[a].framenr < marker->framenr)
|
|
break;
|
|
}
|
|
|
|
track->markersnr++;
|
|
|
|
if (track->markers)
|
|
track->markers = MEM_reallocN(track->markers, sizeof(MovieTrackingMarker) * track->markersnr);
|
|
else
|
|
track->markers = MEM_callocN(sizeof(MovieTrackingMarker), "MovieTracking markers");
|
|
|
|
/* shift array to "free" space for new marker */
|
|
memmove(track->markers + a + 2, track->markers + a + 1,
|
|
(track->markersnr - a - 2) * sizeof(MovieTrackingMarker));
|
|
|
|
/* put new marker */
|
|
track->markers[a + 1] = *marker;
|
|
|
|
track->last_marker = a + 1;
|
|
|
|
return &track->markers[a + 1];
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_marker_delete(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
int a = 0;
|
|
|
|
while (a < track->markersnr) {
|
|
if (track->markers[a].framenr == framenr) {
|
|
if (track->markersnr > 1) {
|
|
memmove(track->markers + a, track->markers + a + 1,
|
|
(track->markersnr - a - 1) * sizeof(MovieTrackingMarker));
|
|
track->markersnr--;
|
|
track->markers = MEM_reallocN(track->markers, sizeof(MovieTrackingMarker) * track->markersnr);
|
|
}
|
|
else {
|
|
MEM_freeN(track->markers);
|
|
track->markers = NULL;
|
|
track->markersnr = 0;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
a++;
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_marker_clamp(MovieTrackingMarker *marker, int event)
|
|
{
|
|
int a;
|
|
float pat_min[2], pat_max[2];
|
|
|
|
BKE_tracking_marker_pattern_minmax(marker, pat_min, pat_max);
|
|
|
|
if (event == CLAMP_PAT_DIM) {
|
|
for (a = 0; a < 2; a++) {
|
|
/* search shouldn't be resized smaller than pattern */
|
|
marker->search_min[a] = min_ff(pat_min[a], marker->search_min[a]);
|
|
marker->search_max[a] = max_ff(pat_max[a], marker->search_max[a]);
|
|
}
|
|
}
|
|
else if (event == CLAMP_PAT_POS) {
|
|
float dim[2];
|
|
|
|
sub_v2_v2v2(dim, pat_max, pat_min);
|
|
|
|
for (a = 0; a < 2; a++) {
|
|
int b;
|
|
/* pattern shouldn't be moved outside of search */
|
|
if (pat_min[a] < marker->search_min[a]) {
|
|
for (b = 0; b < 4; b++)
|
|
marker->pattern_corners[b][a] += marker->search_min[a] - pat_min[a];
|
|
}
|
|
if (pat_max[a] > marker->search_max[a]) {
|
|
for (b = 0; b < 4; b++)
|
|
marker->pattern_corners[b][a] -= pat_max[a] - marker->search_max[a];
|
|
}
|
|
}
|
|
}
|
|
else if (event == CLAMP_SEARCH_DIM) {
|
|
for (a = 0; a < 2; a++) {
|
|
/* search shouldn't be resized smaller than pattern */
|
|
marker->search_min[a] = min_ff(pat_min[a], marker->search_min[a]);
|
|
marker->search_max[a] = max_ff(pat_max[a], marker->search_max[a]);
|
|
}
|
|
}
|
|
else if (event == CLAMP_SEARCH_POS) {
|
|
float dim[2];
|
|
|
|
sub_v2_v2v2(dim, marker->search_max, marker->search_min);
|
|
|
|
for (a = 0; a < 2; a++) {
|
|
/* search shouldn't be moved inside pattern */
|
|
if (marker->search_min[a] > pat_min[a]) {
|
|
marker->search_min[a] = pat_min[a];
|
|
marker->search_max[a] = marker->search_min[a] + dim[a];
|
|
}
|
|
if (marker->search_max[a] < pat_max[a]) {
|
|
marker->search_max[a] = pat_max[a];
|
|
marker->search_min[a] = marker->search_max[a] - dim[a];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
MovieTrackingMarker *BKE_tracking_marker_get(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
int a = track->markersnr - 1;
|
|
|
|
if (!track->markersnr)
|
|
return NULL;
|
|
|
|
/* approximate pre-first framenr marker with first marker */
|
|
if (framenr < track->markers[0].framenr)
|
|
return &track->markers[0];
|
|
|
|
if (track->last_marker < track->markersnr)
|
|
a = track->last_marker;
|
|
|
|
if (track->markers[a].framenr <= framenr) {
|
|
while (a < track->markersnr && track->markers[a].framenr <= framenr) {
|
|
if (track->markers[a].framenr == framenr) {
|
|
track->last_marker = a;
|
|
|
|
return &track->markers[a];
|
|
}
|
|
a++;
|
|
}
|
|
|
|
/* if there's no marker for exact position, use nearest marker from left side */
|
|
return &track->markers[a - 1];
|
|
}
|
|
else {
|
|
while (a >= 0 && track->markers[a].framenr >= framenr) {
|
|
if (track->markers[a].framenr == framenr) {
|
|
track->last_marker = a;
|
|
|
|
return &track->markers[a];
|
|
}
|
|
|
|
a--;
|
|
}
|
|
|
|
/* if there's no marker for exact position, use nearest marker from left side */
|
|
return &track->markers[a];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
MovieTrackingMarker *BKE_tracking_marker_get_exact(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
|
|
|
|
if (marker->framenr != framenr)
|
|
return NULL;
|
|
|
|
return marker;
|
|
}
|
|
|
|
MovieTrackingMarker *BKE_tracking_marker_ensure(MovieTrackingTrack *track, int framenr)
|
|
{
|
|
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
|
|
|
|
if (marker->framenr != framenr) {
|
|
MovieTrackingMarker marker_new;
|
|
|
|
marker_new = *marker;
|
|
marker_new.framenr = framenr;
|
|
|
|
BKE_tracking_marker_insert(track, &marker_new);
|
|
marker = BKE_tracking_marker_get(track, framenr);
|
|
}
|
|
|
|
return marker;
|
|
}
|
|
|
|
void BKE_tracking_marker_pattern_minmax(const MovieTrackingMarker *marker, float min[2], float max[2])
|
|
{
|
|
INIT_MINMAX2(min, max);
|
|
|
|
minmax_v2v2_v2(min, max, marker->pattern_corners[0]);
|
|
minmax_v2v2_v2(min, max, marker->pattern_corners[1]);
|
|
minmax_v2v2_v2(min, max, marker->pattern_corners[2]);
|
|
minmax_v2v2_v2(min, max, marker->pattern_corners[3]);
|
|
}
|
|
|
|
void BKE_tracking_marker_get_subframe_position(MovieTrackingTrack *track, float framenr, float pos[2])
|
|
{
|
|
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, (int) framenr);
|
|
MovieTrackingMarker *marker_last = track->markers + (track->markersnr - 1);
|
|
|
|
if (marker != marker_last) {
|
|
MovieTrackingMarker *marker_next = marker + 1;
|
|
|
|
if (marker_next->framenr == marker->framenr + 1) {
|
|
/* currently only do subframing inside tracked ranges, do not extrapolate tracked segments
|
|
* could be changed when / if mask parent would be interpolating position in-between
|
|
* tracked segments
|
|
*/
|
|
|
|
float fac = (framenr - (int) framenr) / (marker_next->framenr - marker->framenr);
|
|
|
|
interp_v2_v2v2(pos, marker->pos, marker_next->pos, fac);
|
|
}
|
|
else {
|
|
copy_v2_v2(pos, marker->pos);
|
|
}
|
|
}
|
|
else {
|
|
copy_v2_v2(pos, marker->pos);
|
|
}
|
|
|
|
/* currently track offset is always wanted to be applied here, could be made an option later */
|
|
add_v2_v2(pos, track->offset);
|
|
}
|
|
|
|
/*********************** Plane Track *************************/
|
|
|
|
/* Creates new plane track out of selected point tracks */
|
|
MovieTrackingPlaneTrack *BKE_tracking_plane_track_add(MovieTracking *tracking, ListBase *plane_tracks_base,
|
|
ListBase *tracks, int framenr)
|
|
{
|
|
MovieTrackingPlaneTrack *plane_track;
|
|
MovieTrackingPlaneMarker plane_marker;
|
|
MovieTrackingTrack *track;
|
|
float tracks_min[2], tracks_max[2];
|
|
int track_index, num_selected_tracks = 0;
|
|
|
|
(void) tracking; /* Ignored. */
|
|
|
|
/* Use bounding box of selected markers as an initial size of plane. */
|
|
INIT_MINMAX2(tracks_min, tracks_max);
|
|
for (track = tracks->first; track; track = track->next) {
|
|
if (TRACK_SELECTED(track)) {
|
|
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
|
|
float pattern_min[2], pattern_max[2];
|
|
BKE_tracking_marker_pattern_minmax(marker, pattern_min, pattern_max);
|
|
add_v2_v2(pattern_min, marker->pos);
|
|
add_v2_v2(pattern_max, marker->pos);
|
|
minmax_v2v2_v2(tracks_min, tracks_max, pattern_min);
|
|
minmax_v2v2_v2(tracks_min, tracks_max, pattern_max);
|
|
num_selected_tracks++;
|
|
}
|
|
}
|
|
|
|
if (num_selected_tracks < 4) {
|
|
return NULL;
|
|
}
|
|
|
|
/* Allocate new plane track. */
|
|
plane_track = MEM_callocN(sizeof(MovieTrackingPlaneTrack), "new plane track");
|
|
|
|
/* Use some default name. */
|
|
strcpy(plane_track->name, "Plane Track");
|
|
|
|
plane_track->image_opacity = 1.0f;
|
|
|
|
/* Use selected tracks from given list as a plane. */
|
|
plane_track->point_tracks =
|
|
MEM_mallocN(sizeof(MovieTrackingTrack *) * num_selected_tracks, "new plane tracks array");
|
|
for (track = tracks->first, track_index = 0; track; track = track->next) {
|
|
if (TRACK_SELECTED(track)) {
|
|
plane_track->point_tracks[track_index] = track;
|
|
track_index++;
|
|
}
|
|
}
|
|
plane_track->point_tracksnr = num_selected_tracks;
|
|
|
|
/* Setup new plane marker and add it to the track. */
|
|
plane_marker.framenr = framenr;
|
|
plane_marker.flag = 0;
|
|
|
|
copy_v2_v2(plane_marker.corners[0], tracks_min);
|
|
copy_v2_v2(plane_marker.corners[2], tracks_max);
|
|
|
|
plane_marker.corners[1][0] = tracks_max[0];
|
|
plane_marker.corners[1][1] = tracks_min[1];
|
|
plane_marker.corners[3][0] = tracks_min[0];
|
|
plane_marker.corners[3][1] = tracks_max[1];
|
|
|
|
BKE_tracking_plane_marker_insert(plane_track, &plane_marker);
|
|
|
|
/* Put new plane track to the list, ensure it's name is unique. */
|
|
BLI_addtail(plane_tracks_base, plane_track);
|
|
BKE_tracking_plane_track_unique_name(plane_tracks_base, plane_track);
|
|
|
|
return plane_track;
|
|
}
|
|
|
|
void BKE_tracking_plane_track_unique_name(ListBase *plane_tracks_base, MovieTrackingPlaneTrack *plane_track)
|
|
{
|
|
BLI_uniquename(plane_tracks_base, plane_track, CTX_DATA_(BLT_I18NCONTEXT_ID_MOVIECLIP, "Plane Track"), '.',
|
|
offsetof(MovieTrackingPlaneTrack, name), sizeof(plane_track->name));
|
|
}
|
|
|
|
/* 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(MovieTrackingPlaneTrack *plane_track)
|
|
{
|
|
if (plane_track->markers) {
|
|
MEM_freeN(plane_track->markers);
|
|
}
|
|
|
|
MEM_freeN(plane_track->point_tracks);
|
|
}
|
|
|
|
MovieTrackingPlaneTrack *BKE_tracking_plane_track_get_named(MovieTracking *tracking,
|
|
MovieTrackingObject *object,
|
|
const char *name)
|
|
{
|
|
ListBase *plane_tracks_base = BKE_tracking_object_get_plane_tracks(tracking, object);
|
|
MovieTrackingPlaneTrack *plane_track;
|
|
|
|
for (plane_track = plane_tracks_base->first;
|
|
plane_track;
|
|
plane_track = plane_track->next)
|
|
{
|
|
if (STREQ(plane_track->name, name)) {
|
|
return plane_track;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
MovieTrackingPlaneTrack *BKE_tracking_plane_track_get_active(struct MovieTracking *tracking)
|
|
{
|
|
ListBase *plane_tracks_base;
|
|
|
|
if (tracking->act_plane_track == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
|
|
|
|
/* Check that active track is in current plane tracks list */
|
|
if (BLI_findindex(plane_tracks_base, tracking->act_plane_track) != -1) {
|
|
return tracking->act_plane_track;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void BKE_tracking_plane_tracks_deselect_all(ListBase *plane_tracks_base)
|
|
{
|
|
MovieTrackingPlaneTrack *plane_track;
|
|
|
|
for (plane_track = plane_tracks_base->first; plane_track; plane_track = plane_track->next) {
|
|
plane_track->flag &= ~SELECT;
|
|
}
|
|
}
|
|
|
|
bool BKE_tracking_plane_track_has_point_track(MovieTrackingPlaneTrack *plane_track,
|
|
MovieTrackingTrack *track)
|
|
{
|
|
int i;
|
|
for (i = 0; i < plane_track->point_tracksnr; i++) {
|
|
if (plane_track->point_tracks[i] == track) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool BKE_tracking_plane_track_remove_point_track(MovieTrackingPlaneTrack *plane_track,
|
|
MovieTrackingTrack *track)
|
|
{
|
|
int i, track_index;
|
|
MovieTrackingTrack **new_point_tracks;
|
|
|
|
if (plane_track->point_tracksnr <= 4) {
|
|
return false;
|
|
}
|
|
|
|
new_point_tracks = MEM_mallocN(sizeof(*new_point_tracks) * (plane_track->point_tracksnr - 1),
|
|
"new point tracks array");
|
|
|
|
for (i = 0, track_index = 0; i < plane_track->point_tracksnr; i++) {
|
|
if (plane_track->point_tracks[i] != track) {
|
|
new_point_tracks[track_index++] = plane_track->point_tracks[i];
|
|
}
|
|
}
|
|
|
|
MEM_freeN(plane_track->point_tracks);
|
|
plane_track->point_tracks = new_point_tracks;
|
|
plane_track->point_tracksnr--;
|
|
|
|
return true;
|
|
}
|
|
|
|
void BKE_tracking_plane_tracks_remove_point_track(MovieTracking *tracking,
|
|
MovieTrackingTrack *track)
|
|
{
|
|
MovieTrackingPlaneTrack *plane_track, *next_plane_track;
|
|
ListBase *plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
|
|
for (plane_track = plane_tracks_base->first;
|
|
plane_track;
|
|
plane_track = next_plane_track)
|
|
{
|
|
next_plane_track = plane_track->next;
|
|
if (BKE_tracking_plane_track_has_point_track(plane_track, track)) {
|
|
if (!BKE_tracking_plane_track_remove_point_track(plane_track, track)) {
|
|
/* Delete planes with less than 3 point tracks in it. */
|
|
BKE_tracking_plane_track_free(plane_track);
|
|
BLI_freelinkN(plane_tracks_base, plane_track);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_plane_track_replace_point_track(MovieTrackingPlaneTrack *plane_track,
|
|
MovieTrackingTrack *old_track,
|
|
MovieTrackingTrack *new_track)
|
|
{
|
|
int i;
|
|
for (i = 0; i < plane_track->point_tracksnr; i++) {
|
|
if (plane_track->point_tracks[i] == old_track) {
|
|
plane_track->point_tracks[i] = new_track;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_plane_tracks_replace_point_track(MovieTracking *tracking,
|
|
MovieTrackingTrack *old_track,
|
|
MovieTrackingTrack *new_track)
|
|
{
|
|
MovieTrackingPlaneTrack *plane_track;
|
|
ListBase *plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
|
|
for (plane_track = plane_tracks_base->first;
|
|
plane_track;
|
|
plane_track = plane_track->next)
|
|
{
|
|
if (BKE_tracking_plane_track_has_point_track(plane_track, old_track)) {
|
|
BKE_tracking_plane_track_replace_point_track(plane_track,
|
|
old_track,
|
|
new_track);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************** Plane Marker *************************/
|
|
|
|
MovieTrackingPlaneMarker *BKE_tracking_plane_marker_insert(MovieTrackingPlaneTrack *plane_track,
|
|
MovieTrackingPlaneMarker *plane_marker)
|
|
{
|
|
MovieTrackingPlaneMarker *old_plane_marker = NULL;
|
|
|
|
if (plane_track->markersnr)
|
|
old_plane_marker = BKE_tracking_plane_marker_get_exact(plane_track, plane_marker->framenr);
|
|
|
|
if (old_plane_marker) {
|
|
/* Simply replace settings in existing marker. */
|
|
*old_plane_marker = *plane_marker;
|
|
|
|
return old_plane_marker;
|
|
}
|
|
else {
|
|
int a = plane_track->markersnr;
|
|
|
|
/* Find position in array where to add new marker. */
|
|
/* TODO(sergey): we coud use bisect to speed things up. */
|
|
while (a--) {
|
|
if (plane_track->markers[a].framenr < plane_marker->framenr) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
plane_track->markersnr++;
|
|
plane_track->markers = MEM_reallocN(plane_track->markers,
|
|
sizeof(MovieTrackingPlaneMarker) * plane_track->markersnr);
|
|
|
|
/* Shift array to "free" space for new marker. */
|
|
memmove(plane_track->markers + a + 2, plane_track->markers + a + 1,
|
|
(plane_track->markersnr - a - 2) * sizeof(MovieTrackingPlaneMarker));
|
|
|
|
/* Put new marker to an array. */
|
|
plane_track->markers[a + 1] = *plane_marker;
|
|
plane_track->last_marker = a + 1;
|
|
|
|
return &plane_track->markers[a + 1];
|
|
}
|
|
}
|
|
|
|
void BKE_tracking_plane_marker_delete(MovieTrackingPlaneTrack *plane_track, int framenr)
|
|
{
|
|
int a = 0;
|
|
|
|
while (a < plane_track->markersnr) {
|
|
if (plane_track->markers[a].framenr == framenr) {
|
|
if (plane_track->markersnr > 1) {
|
|
memmove(plane_track->markers + a, plane_track->markers + a + 1,
|
|
(plane_track->markersnr - a - 1) * sizeof(MovieTrackingPlaneMarker));
|
|
plane_track->markersnr--;
|
|
plane_track->markers = MEM_reallocN(plane_track->markers,
|
|
sizeof(MovieTrackingMarker) * plane_track->markersnr);
|
|
}
|
|
else {
|
|
MEM_freeN(plane_track->markers);
|
|
plane_track->markers = NULL;
|
|
plane_track->markersnr = 0;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
a++;
|
|
}
|
|
}
|
|
|
|
/* TODO(sergey): The next couple of functions are really quite the same as point marker version,
|
|
* would be nice to de-duplicate them somehow..
|
|
*/
|
|
|
|
/* Get a plane marker at given frame,
|
|
* If there's no such marker, closest one from the left side will be returned.
|
|
*/
|
|
MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get(MovieTrackingPlaneTrack *plane_track, int framenr)
|
|
{
|
|
int a = plane_track->markersnr - 1;
|
|
|
|
if (!plane_track->markersnr)
|
|
return NULL;
|
|
|
|
/* Approximate pre-first framenr marker with first marker. */
|
|
if (framenr < plane_track->markers[0].framenr) {
|
|
return &plane_track->markers[0];
|
|
}
|
|
|
|
if (plane_track->last_marker < plane_track->markersnr) {
|
|
a = plane_track->last_marker;
|
|
}
|
|
|
|
if (plane_track->markers[a].framenr <= framenr) {
|
|
while (a < plane_track->markersnr && plane_track->markers[a].framenr <= framenr) {
|
|
if (plane_track->markers[a].framenr == framenr) {
|
|
plane_track->last_marker = a;
|
|
|
|
return &plane_track->markers[a];
|
|
}
|
|
a++;
|
|
}
|
|
|
|
/* If there's no marker for exact position, use nearest marker from left side. */
|
|
return &plane_track->markers[a - 1];
|
|
}
|
|
else {
|
|
while (a >= 0 && plane_track->markers[a].framenr >= framenr) {
|
|
if (plane_track->markers[a].framenr == framenr) {
|
|
plane_track->last_marker = a;
|
|
|
|
return &plane_track->markers[a];
|
|
}
|
|
|
|
a--;
|
|
}
|
|
|
|
/* If there's no marker for exact position, use nearest marker from left side. */
|
|
return &plane_track->markers[a];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Get a plane marker at exact given frame, if there's no marker at the frame,
|
|
* NULL will be returned.
|
|
*/
|
|
MovieTrackingPlaneMarker *BKE_tracking_plane_marker_get_exact(MovieTrackingPlaneTrack *plane_track, int framenr)
|
|
{
|
|
MovieTrackingPlaneMarker *plane_marker = BKE_tracking_plane_marker_get(plane_track, framenr);
|
|
|
|
if (plane_marker->framenr != framenr) {
|
|
return NULL;
|
|
}
|
|
|
|
return plane_marker;
|
|
}
|
|
|
|
/* Ensure there's a marker for the given frame. */
|
|
MovieTrackingPlaneMarker *BKE_tracking_plane_marker_ensure(MovieTrackingPlaneTrack *plane_track, int framenr)
|
|
{
|
|
MovieTrackingPlaneMarker *plane_marker = BKE_tracking_plane_marker_get(plane_track, framenr);
|
|
|
|
if (plane_marker->framenr != framenr) {
|
|
MovieTrackingPlaneMarker plane_marker_new;
|
|
|
|
plane_marker_new = *plane_marker;
|
|
plane_marker_new.framenr = framenr;
|
|
|
|
plane_marker = BKE_tracking_plane_marker_insert(plane_track, &plane_marker_new);
|
|
}
|
|
|
|
return plane_marker;
|
|
}
|
|
|
|
void BKE_tracking_plane_marker_get_subframe_corners(MovieTrackingPlaneTrack *plane_track,
|
|
float framenr,
|
|
float corners[4][2])
|
|
{
|
|
MovieTrackingPlaneMarker *marker = BKE_tracking_plane_marker_get(plane_track, (int)framenr);
|
|
MovieTrackingPlaneMarker *marker_last = plane_track->markers + (plane_track->markersnr - 1);
|
|
int i;
|
|
if (marker != marker_last) {
|
|
MovieTrackingPlaneMarker *marker_next = marker + 1;
|
|
if (marker_next->framenr == marker->framenr + 1) {
|
|
float fac = (framenr - (int) framenr) / (marker_next->framenr - marker->framenr);
|
|
for (i = 0; i < 4; ++i) {
|
|
interp_v2_v2v2(corners[i], marker->corners[i],
|
|
marker_next->corners[i], fac);
|
|
}
|
|
}
|
|
else {
|
|
for (i = 0; i < 4; ++i) {
|
|
copy_v2_v2(corners[i], marker->corners[i]);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (i = 0; i < 4; ++i) {
|
|
copy_v2_v2(corners[i], marker->corners[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************** Object *************************/
|
|
|
|
MovieTrackingObject *BKE_tracking_object_add(MovieTracking *tracking, const char *name)
|
|
{
|
|
MovieTrackingObject *object = MEM_callocN(sizeof(MovieTrackingObject), "tracking object");
|
|
|
|
if (tracking->tot_object == 0) {
|
|
/* first object is always camera */
|
|
BLI_strncpy(object->name, "Camera", sizeof(object->name));
|
|
|
|
object->flag |= TRACKING_OBJECT_CAMERA;
|
|
}
|
|
else {
|
|
BLI_strncpy(object->name, name, sizeof(object->name));
|
|
}
|
|
|
|
BLI_addtail(&tracking->objects, object);
|
|
|
|
tracking->tot_object++;
|
|
tracking->objectnr = BLI_listbase_count(&tracking->objects) - 1;
|
|
|
|
object->scale = 1.0f;
|
|
object->keyframe1 = 1;
|
|
object->keyframe2 = 30;
|
|
|
|
BKE_tracking_object_unique_name(tracking, object);
|
|
BKE_tracking_dopesheet_tag_update(tracking);
|
|
|
|
return object;
|
|
}
|
|
|
|
bool BKE_tracking_object_delete(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
MovieTrackingTrack *track;
|
|
int index = BLI_findindex(&tracking->objects, object);
|
|
|
|
if (index == -1)
|
|
return false;
|
|
|
|
if (object->flag & TRACKING_OBJECT_CAMERA) {
|
|
/* object used for camera solving can't be deleted */
|
|
return false;
|
|
}
|
|
|
|
track = object->tracks.first;
|
|
while (track) {
|
|
if (track == tracking->act_track)
|
|
tracking->act_track = NULL;
|
|
|
|
track = track->next;
|
|
}
|
|
|
|
tracking_object_free(object);
|
|
BLI_freelinkN(&tracking->objects, object);
|
|
|
|
tracking->tot_object--;
|
|
|
|
if (index != 0)
|
|
tracking->objectnr = index - 1;
|
|
else
|
|
tracking->objectnr = 0;
|
|
|
|
BKE_tracking_dopesheet_tag_update(tracking);
|
|
|
|
return true;
|
|
}
|
|
|
|
void BKE_tracking_object_unique_name(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
BLI_uniquename(&tracking->objects, object, DATA_("Object"), '.',
|
|
offsetof(MovieTrackingObject, name), sizeof(object->name));
|
|
}
|
|
|
|
MovieTrackingObject *BKE_tracking_object_get_named(MovieTracking *tracking, const char *name)
|
|
{
|
|
MovieTrackingObject *object = tracking->objects.first;
|
|
|
|
while (object) {
|
|
if (STREQ(object->name, name))
|
|
return object;
|
|
|
|
object = object->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
MovieTrackingObject *BKE_tracking_object_get_active(MovieTracking *tracking)
|
|
{
|
|
return BLI_findlink(&tracking->objects, tracking->objectnr);
|
|
}
|
|
|
|
MovieTrackingObject *BKE_tracking_object_get_camera(MovieTracking *tracking)
|
|
{
|
|
MovieTrackingObject *object = tracking->objects.first;
|
|
|
|
while (object) {
|
|
if (object->flag & TRACKING_OBJECT_CAMERA)
|
|
return object;
|
|
|
|
object = object->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
ListBase *BKE_tracking_object_get_tracks(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
if (object->flag & TRACKING_OBJECT_CAMERA) {
|
|
return &tracking->tracks;
|
|
}
|
|
|
|
return &object->tracks;
|
|
}
|
|
|
|
ListBase *BKE_tracking_object_get_plane_tracks(MovieTracking *tracking, MovieTrackingObject *object)
|
|
{
|
|
if (object->flag & TRACKING_OBJECT_CAMERA) {
|
|
return &tracking->plane_tracks;
|
|
}
|
|
|
|
return &object->plane_tracks;
|
|
}
|
|
|
|
MovieTrackingReconstruction *BKE_tracking_object_get_reconstruction(MovieTracking *tracking,
|
|
MovieTrackingObject *object)
|
|
{
|
|
if (object->flag & TRACKING_OBJECT_CAMERA) {
|
|
return &tracking->reconstruction;
|
|
}
|
|
|
|
return &object->reconstruction;
|
|
}
|
|
|
|
/*********************** Camera *************************/
|
|
|
|
static int reconstructed_camera_index_get(MovieTrackingReconstruction *reconstruction, int framenr, bool nearest)
|
|
{
|
|
MovieReconstructedCamera *cameras = reconstruction->cameras;
|
|
int a = 0, d = 1;
|
|
|
|
if (!reconstruction->camnr)
|
|
return -1;
|
|
|
|
if (framenr < cameras[0].framenr) {
|
|
if (nearest)
|
|
return 0;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
if (framenr > cameras[reconstruction->camnr - 1].framenr) {
|
|
if (nearest)
|
|
return reconstruction->camnr - 1;
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
if (reconstruction->last_camera < reconstruction->camnr)
|
|
a = reconstruction->last_camera;
|
|
|
|
if (cameras[a].framenr >= framenr)
|
|
d = -1;
|
|
|
|
while (a >= 0 && a < reconstruction->camnr) {
|
|
int cfra = cameras[a].framenr;
|
|
|
|
/* check if needed framenr was "skipped" -- no data for requested frame */
|
|
|
|
if (d > 0 && cfra > framenr) {
|
|
/* interpolate with previous position */
|
|
if (nearest)
|
|
return a - 1;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (d < 0 && cfra < framenr) {
|
|
/* interpolate with next position */
|
|
if (nearest)
|
|
return a;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (cfra == framenr) {
|
|
reconstruction->last_camera = a;
|
|
|
|
return a;
|
|
}
|
|
|
|
a += d;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void reconstructed_camera_scale_set(MovieTrackingObject *object, float mat[4][4])
|
|
{
|
|
if ((object->flag & TRACKING_OBJECT_CAMERA) == 0) {
|
|
float smat[4][4];
|
|
|
|
scale_m4_fl(smat, 1.0f / object->scale);
|
|
mul_m4_m4m4(mat, mat, smat);
|
|
}
|
|
}
|
|
|
|
/* converts principal offset from center to offset of blender's camera */
|
|
void BKE_tracking_camera_shift_get(MovieTracking *tracking, int winx, int winy, float *shiftx, float *shifty)
|
|
{
|
|
/* indeed in both of cases it should be winx -- it's just how camera shift works for blender's camera */
|
|
*shiftx = (0.5f * winx - tracking->camera.principal[0]) / winx;
|
|
*shifty = (0.5f * winy - tracking->camera.principal[1]) / winx;
|
|
}
|
|
|
|
void BKE_tracking_camera_to_blender(MovieTracking *tracking, Scene *scene, Camera *camera, int width, int height)
|
|
{
|
|
float focal = tracking->camera.focal;
|
|
|
|
camera->sensor_x = tracking->camera.sensor_width;
|
|
camera->sensor_fit = CAMERA_SENSOR_FIT_AUTO;
|
|
camera->lens = focal * camera->sensor_x / width;
|
|
|
|
scene->r.xsch = width * tracking->camera.pixel_aspect;
|
|
scene->r.ysch = height;
|
|
|
|
scene->r.xasp = 1.0f;
|
|
scene->r.yasp = 1.0f;
|
|
|
|
BKE_tracking_camera_shift_get(tracking, width, height, &camera->shiftx, &camera->shifty);
|
|
}
|
|
|
|
MovieReconstructedCamera *BKE_tracking_camera_get_reconstructed(MovieTracking *tracking,
|
|
MovieTrackingObject *object, int framenr)
|
|
{
|
|
MovieTrackingReconstruction *reconstruction;
|
|
int a;
|
|
|
|
reconstruction = BKE_tracking_object_get_reconstruction(tracking, object);
|
|
a = reconstructed_camera_index_get(reconstruction, framenr, false);
|
|
|
|
if (a == -1)
|
|
return NULL;
|
|
|
|
return &reconstruction->cameras[a];
|
|
}
|
|
|
|
void BKE_tracking_camera_get_reconstructed_interpolate(MovieTracking *tracking, MovieTrackingObject *object,
|
|
float framenr, float mat[4][4])
|
|
{
|
|
MovieTrackingReconstruction *reconstruction;
|
|
MovieReconstructedCamera *cameras;
|
|
int a;
|
|
|
|
reconstruction = BKE_tracking_object_get_reconstruction(tracking, object);
|
|
cameras = reconstruction->cameras;
|
|
a = reconstructed_camera_index_get(reconstruction, (int)framenr, true);
|
|
|
|
if (a == -1) {
|
|
unit_m4(mat);
|
|
return;
|
|
}
|
|
|
|
if (cameras[a].framenr != framenr && a < reconstruction->camnr - 1) {
|
|
float t = ((float)framenr - cameras[a].framenr) / (cameras[a + 1].framenr - cameras[a].framenr);
|
|
blend_m4_m4m4(mat, cameras[a].mat, cameras[a + 1].mat, t);
|
|
}
|
|
else {
|
|
copy_m4_m4(mat, cameras[a].mat);
|
|
}
|
|
|
|
reconstructed_camera_scale_set(object, mat);
|
|
}
|
|
|
|
/*********************** Distortion/Undistortion *************************/
|
|
|
|
MovieDistortion *BKE_tracking_distortion_new(MovieTracking *tracking,
|
|
int calibration_width, int calibration_height)
|
|
{
|
|
MovieDistortion *distortion;
|
|
libmv_CameraIntrinsicsOptions camera_intrinsics_options;
|
|
|
|
tracking_cameraIntrinscisOptionsFromTracking(tracking,
|
|
calibration_width,
|
|
calibration_height,
|
|
&camera_intrinsics_options);
|
|
|
|
distortion = MEM_callocN(sizeof(MovieDistortion), "BKE_tracking_distortion_create");
|
|
distortion->intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);
|
|
|
|
const MovieTrackingCamera *camera = &tracking->camera;
|
|
copy_v2_v2(distortion->principal, camera->principal);
|
|
distortion->pixel_aspect = camera->pixel_aspect;
|
|
distortion->focal = camera->focal;
|
|
|
|
return distortion;
|
|
}
|
|
|
|
void BKE_tracking_distortion_update(MovieDistortion *distortion, MovieTracking *tracking,
|
|
int calibration_width, int calibration_height)
|
|
{
|
|
libmv_CameraIntrinsicsOptions camera_intrinsics_options;
|
|
|
|
tracking_cameraIntrinscisOptionsFromTracking(tracking,
|
|
calibration_width,
|
|
calibration_height,
|
|
&camera_intrinsics_options);
|
|
|
|
const MovieTrackingCamera *camera = &tracking->camera;
|
|
copy_v2_v2(distortion->principal, camera->principal);
|
|
distortion->pixel_aspect = camera->pixel_aspect;
|
|
distortion->focal = camera->focal;
|
|
|
|
libmv_cameraIntrinsicsUpdate(&camera_intrinsics_options, distortion->intrinsics);
|
|
}
|
|
|
|
void BKE_tracking_distortion_set_threads(MovieDistortion *distortion, int threads)
|
|
{
|
|
libmv_cameraIntrinsicsSetThreads(distortion->intrinsics, threads);
|
|
}
|
|
|
|
MovieDistortion *BKE_tracking_distortion_copy(MovieDistortion *distortion)
|
|
{
|
|
MovieDistortion *new_distortion;
|
|
|
|
new_distortion = MEM_callocN(sizeof(MovieDistortion), "BKE_tracking_distortion_create");
|
|
*new_distortion = *distortion;
|
|
new_distortion->intrinsics = libmv_cameraIntrinsicsCopy(distortion->intrinsics);
|
|
|
|
return new_distortion;
|
|
}
|
|
|
|
ImBuf *BKE_tracking_distortion_exec(MovieDistortion *distortion, MovieTracking *tracking, ImBuf *ibuf,
|
|
int calibration_width, int calibration_height, float overscan, bool undistort)
|
|
{
|
|
ImBuf *resibuf;
|
|
|
|
BKE_tracking_distortion_update(distortion, tracking, calibration_width, calibration_height);
|
|
|
|
resibuf = IMB_dupImBuf(ibuf);
|
|
|
|
if (ibuf->rect_float) {
|
|
if (undistort) {
|
|
libmv_cameraIntrinsicsUndistortFloat(distortion->intrinsics,
|
|
ibuf->rect_float,
|
|
ibuf->x, ibuf->y,
|
|
overscan,
|
|
ibuf->channels,
|
|
resibuf->rect_float);
|
|
}
|
|
else {
|
|
libmv_cameraIntrinsicsDistortFloat(distortion->intrinsics,
|
|
ibuf->rect_float,
|
|
ibuf->x, ibuf->y,
|
|
overscan,
|
|
ibuf->channels,
|
|
resibuf->rect_float);
|
|
}
|
|
|
|
if (ibuf->rect)
|
|
imb_freerectImBuf(ibuf);
|
|
}
|
|
else {
|
|
if (undistort) {
|
|
libmv_cameraIntrinsicsUndistortByte(distortion->intrinsics,
|
|
(unsigned char *)ibuf->rect,
|
|
ibuf->x, ibuf->y,
|
|
overscan,
|
|
ibuf->channels,
|
|
(unsigned char *)resibuf->rect);
|
|
}
|
|
else {
|
|
libmv_cameraIntrinsicsDistortByte(distortion->intrinsics,
|
|
(unsigned char *)ibuf->rect,
|
|
ibuf->x, ibuf->y,
|
|
overscan,
|
|
ibuf->channels,
|
|
(unsigned char *)resibuf->rect);
|
|
}
|
|
}
|
|
|
|
return resibuf;
|
|
}
|
|
|
|
void BKE_tracking_distortion_distort_v2(MovieDistortion *distortion,
|
|
const float co[2],
|
|
float r_co[2])
|
|
{
|
|
const float aspy = 1.0f / distortion->pixel_aspect;
|
|
|
|
/* Normalize coords. */
|
|
float inv_focal = 1.0f / distortion->focal;
|
|
double x = (co[0] - distortion->principal[0]) * inv_focal,
|
|
y = (co[1] - distortion->principal[1] * aspy) * inv_focal;
|
|
|
|
libmv_cameraIntrinsicsApply(distortion->intrinsics, x, y, &x, &y);
|
|
|
|
/* Result is in image coords already. */
|
|
r_co[0] = x;
|
|
r_co[1] = y;
|
|
}
|
|
|
|
void BKE_tracking_distortion_undistort_v2(MovieDistortion *distortion,
|
|
const float co[2],
|
|
float r_co[2])
|
|
{
|
|
double x = co[0], y = co[1];
|
|
libmv_cameraIntrinsicsInvert(distortion->intrinsics, x, y, &x, &y);
|
|
|
|
const float aspy = 1.0f / distortion->pixel_aspect;
|
|
r_co[0] = (float)x * distortion->focal + distortion->principal[0];
|
|
r_co[1] = (float)y * distortion->focal + distortion->principal[1] * aspy;
|
|
}
|
|
|
|
void BKE_tracking_distortion_free(MovieDistortion *distortion)
|
|
{
|
|
libmv_cameraIntrinsicsDestroy(distortion->intrinsics);
|
|
|
|
MEM_freeN(distortion);
|
|
}
|
|
|
|
void BKE_tracking_distort_v2(MovieTracking *tracking, const float co[2], float r_co[2])
|
|
{
|
|
const MovieTrackingCamera *camera = &tracking->camera;
|
|
const float aspy = 1.0f / tracking->camera.pixel_aspect;
|
|
|
|
libmv_CameraIntrinsicsOptions camera_intrinsics_options;
|
|
tracking_cameraIntrinscisOptionsFromTracking(tracking,
|
|
0, 0,
|
|
&camera_intrinsics_options);
|
|
libmv_CameraIntrinsics *intrinsics =
|
|
libmv_cameraIntrinsicsNew(&camera_intrinsics_options);
|
|
|
|
/* Normalize coordinates. */
|
|
double x = (co[0] - camera->principal[0]) / camera->focal,
|
|
y = (co[1] - camera->principal[1] * aspy) / camera->focal;
|
|
|
|
libmv_cameraIntrinsicsApply(intrinsics, x, y, &x, &y);
|
|
libmv_cameraIntrinsicsDestroy(intrinsics);
|
|
|
|
/* Result is in image coords already. */
|
|
r_co[0] = x;
|
|
r_co[1] = y;
|
|
}
|
|
|
|
void BKE_tracking_undistort_v2(MovieTracking *tracking, const float co[2], float r_co[2])
|
|
{
|
|
const MovieTrackingCamera *camera = &tracking->camera;
|
|
const float aspy = 1.0f / tracking->camera.pixel_aspect;
|
|
|
|
libmv_CameraIntrinsicsOptions camera_intrinsics_options;
|
|
tracking_cameraIntrinscisOptionsFromTracking(tracking,
|
|
0, 0,
|
|
&camera_intrinsics_options);
|
|
libmv_CameraIntrinsics *intrinsics =
|
|
libmv_cameraIntrinsicsNew(&camera_intrinsics_options);
|
|
|
|
double x = co[0], y = co[1];
|
|
libmv_cameraIntrinsicsInvert(intrinsics, x, y, &x, &y);
|
|
libmv_cameraIntrinsicsDestroy(intrinsics);
|
|
|
|
r_co[0] = (float)x * camera->focal + camera->principal[0];
|
|
r_co[1] = (float)y * camera->focal + camera->principal[1] * aspy;
|
|
}
|
|
|
|
ImBuf *BKE_tracking_undistort_frame(MovieTracking *tracking, ImBuf *ibuf, int calibration_width,
|
|
int calibration_height, float overscan)
|
|
{
|
|
MovieTrackingCamera *camera = &tracking->camera;
|
|
|
|
if (camera->intrinsics == NULL) {
|
|
camera->intrinsics = BKE_tracking_distortion_new(tracking, calibration_width, calibration_height);
|
|
}
|
|
|
|
return BKE_tracking_distortion_exec(camera->intrinsics, tracking, ibuf, calibration_width,
|
|
calibration_height, overscan, true);
|
|
}
|
|
|
|
ImBuf *BKE_tracking_distort_frame(MovieTracking *tracking, ImBuf *ibuf, int calibration_width,
|
|
int calibration_height, float overscan)
|
|
{
|
|
MovieTrackingCamera *camera = &tracking->camera;
|
|
|
|
if (camera->intrinsics == NULL) {
|
|
camera->intrinsics = BKE_tracking_distortion_new(tracking, calibration_width, calibration_height);
|
|
}
|
|
|
|
return BKE_tracking_distortion_exec(camera->intrinsics, tracking, ibuf, calibration_width,
|
|
calibration_height, overscan, false);
|
|
}
|
|
|
|
void BKE_tracking_max_distortion_delta_across_bound(MovieTracking *tracking, rcti *rect,
|
|
bool undistort, float delta[2])
|
|
{
|
|
int a;
|
|
float pos[2], warped_pos[2];
|
|
const int coord_delta = 5;
|
|
void (*apply_distortion) (MovieTracking *tracking,
|
|
const float pos[2], float out[2]);
|
|
|
|
if (undistort) {
|
|
apply_distortion = BKE_tracking_undistort_v2;
|
|
}
|
|
else {
|
|
apply_distortion = BKE_tracking_distort_v2;
|
|
}
|
|
|
|
delta[0] = delta[1] = -FLT_MAX;
|
|
|
|
for (a = rect->xmin; a <= rect->xmax + coord_delta; a += coord_delta) {
|
|
if (a > rect->xmax)
|
|
a = rect->xmax;
|
|
|
|
/* bottom edge */
|
|
pos[0] = a;
|
|
pos[1] = rect->ymin;
|
|
|
|
apply_distortion(tracking, pos, warped_pos);
|
|
|
|
delta[0] = max_ff(delta[0], fabsf(pos[0] - warped_pos[0]));
|
|
delta[1] = max_ff(delta[1], fabsf(pos[1] - warped_pos[1]));
|
|
|
|
/* top edge */
|
|
pos[0] = a;
|
|
pos[1] = rect->ymax;
|
|
|
|
apply_distortion(tracking, pos, warped_pos);
|
|
|
|
delta[0] = max_ff(delta[0], fabsf(pos[0] - warped_pos[0]));
|
|
delta[1] = max_ff(delta[1], fabsf(pos[1] - warped_pos[1]));
|
|
|
|
if (a >= rect->xmax)
|
|
break;
|
|
}
|
|
|
|
for (a = rect->ymin; a <= rect->ymax + coord_delta; a += coord_delta) {
|
|
if (a > rect->ymax)
|
|
a = rect->ymax;
|
|
|
|
/* left edge */
|
|
pos[0] = rect->xmin;
|
|
pos[1] = a;
|
|
|
|
apply_distortion(tracking, pos, warped_pos);
|
|
|
|
delta[0] = max_ff(delta[0], fabsf(pos[0] - warped_pos[0]));
|
|
delta[1] = max_ff(delta[1], fabsf(pos[1] - warped_pos[1]));
|
|
|
|
/* right edge */
|
|
pos[0] = rect->xmax;
|
|
pos[1] = a;
|
|
|
|
apply_distortion(tracking, pos, warped_pos);
|
|
|
|
delta[0] = max_ff(delta[0], fabsf(pos[0] - warped_pos[0]));
|
|
delta[1] = max_ff(delta[1], fabsf(pos[1] - warped_pos[1]));
|
|
|
|
if (a >= rect->ymax)
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*********************** Image sampling *************************/
|
|
|
|
static void disable_imbuf_channels(ImBuf *ibuf, MovieTrackingTrack *track, bool grayscale)
|
|
{
|
|
BKE_tracking_disable_channels(ibuf, track->flag & TRACK_DISABLE_RED,
|
|
track->flag & TRACK_DISABLE_GREEN,
|
|
track->flag & TRACK_DISABLE_BLUE, grayscale);
|
|
}
|
|
|
|
ImBuf *BKE_tracking_sample_pattern(int frame_width, int frame_height, ImBuf *search_ibuf,
|
|
MovieTrackingTrack *track, MovieTrackingMarker *marker,
|
|
bool from_anchor, bool use_mask, int num_samples_x, int num_samples_y,
|
|
float pos[2])
|
|
{
|
|
ImBuf *pattern_ibuf;
|
|
double src_pixel_x[5], src_pixel_y[5];
|
|
double warped_position_x, warped_position_y;
|
|
float *mask = NULL;
|
|
|
|
if (num_samples_x <= 0 || num_samples_y <= 0)
|
|
return NULL;
|
|
|
|
pattern_ibuf = IMB_allocImBuf(num_samples_x, num_samples_y,
|
|
32,
|
|
search_ibuf->rect_float ? IB_rectfloat : IB_rect);
|
|
|
|
tracking_get_marker_coords_for_tracking(frame_width, frame_height, marker, src_pixel_x, src_pixel_y);
|
|
|
|
/* from_anchor means search buffer was obtained for an anchored position,
|
|
* which means applying track offset rounded to pixel space (we could not
|
|
* store search buffer with sub-pixel precision)
|
|
*
|
|
* in this case we need to alter coordinates a bit, to compensate rounded
|
|
* fractional part of offset
|
|
*/
|
|
if (from_anchor) {
|
|
int a;
|
|
|
|
for (a = 0; a < 5; a++) {
|
|
src_pixel_x[a] += (double) ((track->offset[0] * frame_width) - ((int) (track->offset[0] * frame_width)));
|
|
src_pixel_y[a] += (double) ((track->offset[1] * frame_height) - ((int) (track->offset[1] * frame_height)));
|
|
|
|
/* when offset is negative, rounding happens in opposite direction */
|
|
if (track->offset[0] < 0.0f)
|
|
src_pixel_x[a] += 1.0;
|
|
if (track->offset[1] < 0.0f)
|
|
src_pixel_y[a] += 1.0;
|
|
}
|
|
}
|
|
|
|
if (use_mask) {
|
|
mask = BKE_tracking_track_get_mask(frame_width, frame_height, track, marker);
|
|
}
|
|
|
|
if (search_ibuf->rect_float) {
|
|
libmv_samplePlanarPatchFloat(search_ibuf->rect_float,
|
|
search_ibuf->x, search_ibuf->y, 4,
|
|
src_pixel_x, src_pixel_y,
|
|
num_samples_x, num_samples_y,
|
|
mask,
|
|
pattern_ibuf->rect_float,
|
|
&warped_position_x,
|
|
&warped_position_y);
|
|
}
|
|
else {
|
|
libmv_samplePlanarPatchByte((unsigned char *) search_ibuf->rect,
|
|
search_ibuf->x, search_ibuf->y, 4,
|
|
src_pixel_x, src_pixel_y,
|
|
num_samples_x, num_samples_y,
|
|
mask,
|
|
(unsigned char *) pattern_ibuf->rect,
|
|
&warped_position_x,
|
|
&warped_position_y);
|
|
}
|
|
|
|
if (pos) {
|
|
pos[0] = warped_position_x;
|
|
pos[1] = warped_position_y;
|
|
}
|
|
|
|
if (mask) {
|
|
MEM_freeN(mask);
|
|
}
|
|
|
|
return pattern_ibuf;
|
|
}
|
|
|
|
ImBuf *BKE_tracking_get_pattern_imbuf(ImBuf *ibuf, MovieTrackingTrack *track, MovieTrackingMarker *marker,
|
|
bool anchored, bool disable_channels)
|
|
{
|
|
ImBuf *pattern_ibuf, *search_ibuf;
|
|
float pat_min[2], pat_max[2];
|
|
int num_samples_x, num_samples_y;
|
|
|
|
BKE_tracking_marker_pattern_minmax(marker, pat_min, pat_max);
|
|
|
|
num_samples_x = (pat_max[0] - pat_min[0]) * ibuf->x;
|
|
num_samples_y = (pat_max[1] - pat_min[1]) * ibuf->y;
|
|
|
|
search_ibuf = BKE_tracking_get_search_imbuf(ibuf, track, marker, anchored, disable_channels);
|
|
|
|
if (search_ibuf) {
|
|
pattern_ibuf = BKE_tracking_sample_pattern(ibuf->x, ibuf->y, search_ibuf, track, marker,
|
|
anchored, false, num_samples_x, num_samples_y, NULL);
|
|
|
|
IMB_freeImBuf(search_ibuf);
|
|
}
|
|
else {
|
|
pattern_ibuf = NULL;
|
|
}
|
|
|
|
return pattern_ibuf;
|
|
}
|
|
|
|
ImBuf *BKE_tracking_get_search_imbuf(ImBuf *ibuf, MovieTrackingTrack *track, MovieTrackingMarker *marker,
|
|
bool anchored, bool disable_channels)
|
|
{
|
|
ImBuf *searchibuf;
|
|
int x, y, w, h;
|
|
float search_origin[2];
|
|
|
|
tracking_get_search_origin_frame_pixel(ibuf->x, ibuf->y, marker, search_origin);
|
|
|
|
x = search_origin[0];
|
|
y = search_origin[1];
|
|
|
|
if (anchored) {
|
|
x += track->offset[0] * ibuf->x;
|
|
y += track->offset[1] * ibuf->y;
|
|
}
|
|
|
|
w = (marker->search_max[0] - marker->search_min[0]) * ibuf->x;
|
|
h = (marker->search_max[1] - marker->search_min[1]) * ibuf->y;
|
|
|
|
if (w <= 0 || h <= 0)
|
|
return NULL;
|
|
|
|
searchibuf = IMB_allocImBuf(w, h, 32, ibuf->rect_float ? IB_rectfloat : IB_rect);
|
|
|
|
IMB_rectcpy(searchibuf, ibuf, 0, 0, x, y, w, h);
|
|
|
|
if (disable_channels) {
|
|
if ((track->flag & TRACK_PREVIEW_GRAYSCALE) ||
|
|
(track->flag & TRACK_DISABLE_RED) ||
|
|
(track->flag & TRACK_DISABLE_GREEN) ||
|
|
(track->flag & TRACK_DISABLE_BLUE))
|
|
{
|
|
disable_imbuf_channels(searchibuf, track, true);
|
|
}
|
|
}
|
|
|
|
return searchibuf;
|
|
}
|
|
|
|
/* 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 grayscale conversion so the display is better.
|
|
*/
|
|
void BKE_tracking_disable_channels(ImBuf *ibuf, bool disable_red, bool disable_green, bool disable_blue,
|
|
bool grayscale)
|
|
{
|
|
int x, y;
|
|
float scale;
|
|
|
|
if (!disable_red && !disable_green && !disable_blue && !grayscale)
|
|
return;
|
|
|
|
/* if only some components are selected, it's important to rescale the result
|
|
* appropriately so that e.g. if only blue is selected, it's not zeroed out.
|
|
*/
|
|
scale = (disable_red ? 0.0f : 0.2126f) +
|
|
(disable_green ? 0.0f : 0.7152f) +
|
|
(disable_blue ? 0.0f : 0.0722f);
|
|
|
|
for (y = 0; y < ibuf->y; y++) {
|
|
for (x = 0; x < ibuf->x; x++) {
|
|
int pixel = ibuf->x * y + x;
|
|
|
|
if (ibuf->rect_float) {
|
|
float *rrgbf = ibuf->rect_float + pixel * 4;
|
|
float r = disable_red ? 0.0f : rrgbf[0];
|
|
float g = disable_green ? 0.0f : rrgbf[1];
|
|
float b = disable_blue ? 0.0f : rrgbf[2];
|
|
|
|
if (grayscale) {
|
|
float gray = (0.2126f * r + 0.7152f * g + 0.0722f * b) / scale;
|
|
|
|
rrgbf[0] = rrgbf[1] = rrgbf[2] = gray;
|
|
}
|
|
else {
|
|
rrgbf[0] = r;
|
|
rrgbf[1] = g;
|
|
rrgbf[2] = b;
|
|
}
|
|
}
|
|
else {
|
|
char *rrgb = (char *)ibuf->rect + pixel * 4;
|
|
char r = disable_red ? 0 : rrgb[0];
|
|
char g = disable_green ? 0 : rrgb[1];
|
|
char b = disable_blue ? 0 : rrgb[2];
|
|
|
|
if (grayscale) {
|
|
float gray = (0.2126f * r + 0.7152f * g + 0.0722f * b) / scale;
|
|
|
|
rrgb[0] = rrgb[1] = rrgb[2] = gray;
|
|
}
|
|
else {
|
|
rrgb[0] = r;
|
|
rrgb[1] = g;
|
|
rrgb[2] = b;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ibuf->rect_float)
|
|
ibuf->userflags |= IB_RECT_INVALID;
|
|
}
|
|
|
|
/*********************** Dopesheet functions *************************/
|
|
|
|
/* ** Channels sort comparators ** */
|
|
|
|
static int channels_alpha_sort(const void *a, const void *b)
|
|
{
|
|
const MovieTrackingDopesheetChannel *channel_a = a;
|
|
const MovieTrackingDopesheetChannel *channel_b = b;
|
|
|
|
if (BLI_strcasecmp(channel_a->track->name, channel_b->track->name) > 0)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int channels_total_track_sort(const void *a, const void *b)
|
|
{
|
|
const MovieTrackingDopesheetChannel *channel_a = a;
|
|
const MovieTrackingDopesheetChannel *channel_b = b;
|
|
|
|
if (channel_a->total_frames > channel_b->total_frames)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int channels_longest_segment_sort(const void *a, const void *b)
|
|
{
|
|
const MovieTrackingDopesheetChannel *channel_a = a;
|
|
const MovieTrackingDopesheetChannel *channel_b = b;
|
|
|
|
if (channel_a->max_segment > channel_b->max_segment)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int channels_average_error_sort(const void *a, const void *b)
|
|
{
|
|
const MovieTrackingDopesheetChannel *channel_a = a;
|
|
const MovieTrackingDopesheetChannel *channel_b = b;
|
|
|
|
if (channel_a->track->error > channel_b->track->error)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int channels_alpha_inverse_sort(const void *a, const void *b)
|
|
{
|
|
if (channels_alpha_sort(a, b))
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static int channels_total_track_inverse_sort(const void *a, const void *b)
|
|
{
|
|
if (channels_total_track_sort(a, b))
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static int channels_longest_segment_inverse_sort(const void *a, const void *b)
|
|
{
|
|
if (channels_longest_segment_sort(a, b))
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static int channels_average_error_inverse_sort(const void *a, const void *b)
|
|
{
|
|
const MovieTrackingDopesheetChannel *channel_a = a;
|
|
const MovieTrackingDopesheetChannel *channel_b = b;
|
|
|
|
if (channel_a->track->error < channel_b->track->error)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/* Calculate frames segments at which track is tracked continuously. */
|
|
static void tracking_dopesheet_channels_segments_calc(MovieTrackingDopesheetChannel *channel)
|
|
{
|
|
MovieTrackingTrack *track = channel->track;
|
|
int i, segment;
|
|
|
|
channel->tot_segment = 0;
|
|
channel->max_segment = 0;
|
|
channel->total_frames = 0;
|
|
|
|
/* TODO(sergey): looks a bit code-duplicated, need to look into
|
|
* logic de-duplication here.
|
|
*/
|
|
|
|
/* count */
|
|
i = 0;
|
|
while (i < track->markersnr) {
|
|
MovieTrackingMarker *marker = &track->markers[i];
|
|
|
|
if ((marker->flag & MARKER_DISABLED) == 0) {
|
|
int prev_fra = marker->framenr, len = 0;
|
|
|
|
i++;
|
|
while (i < track->markersnr) {
|
|
marker = &track->markers[i];
|
|
|
|
if (marker->framenr != prev_fra + 1)
|
|
break;
|
|
if (marker->flag & MARKER_DISABLED)
|
|
break;
|
|
|
|
prev_fra = marker->framenr;
|
|
len++;
|
|
i++;
|
|
}
|
|
|
|
channel->tot_segment++;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if (!channel->tot_segment)
|
|
return;
|
|
|
|
channel->segments = MEM_callocN(2 * sizeof(int) * channel->tot_segment, "tracking channel segments");
|
|
|
|
/* create segments */
|
|
i = 0;
|
|
segment = 0;
|
|
while (i < track->markersnr) {
|
|
MovieTrackingMarker *marker = &track->markers[i];
|
|
|
|
if ((marker->flag & MARKER_DISABLED) == 0) {
|
|
MovieTrackingMarker *start_marker = marker;
|
|
int prev_fra = marker->framenr, len = 0;
|
|
|
|
i++;
|
|
while (i < track->markersnr) {
|
|
marker = &track->markers[i];
|
|
|
|
if (marker->framenr != prev_fra + 1)
|
|
break;
|
|
if (marker->flag & MARKER_DISABLED)
|
|
break;
|
|
|
|
prev_fra = marker->framenr;
|
|
channel->total_frames++;
|
|
len++;
|
|
i++;
|
|
}
|
|
|
|
channel->segments[2 * segment] = start_marker->framenr;
|
|
channel->segments[2 * segment + 1] = start_marker->framenr + len;
|
|
|
|
channel->max_segment = max_ii(channel->max_segment, len);
|
|
segment++;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
}
|
|
|
|
/* Create channels for tracks and calculate tracked segments for them. */
|
|
static void tracking_dopesheet_channels_calc(MovieTracking *tracking)
|
|
{
|
|
MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
|
|
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
|
|
MovieTrackingTrack *track;
|
|
MovieTrackingReconstruction *reconstruction =
|
|
BKE_tracking_object_get_reconstruction(tracking, object);
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
|
|
bool sel_only = (dopesheet->flag & TRACKING_DOPE_SELECTED_ONLY) != 0;
|
|
bool show_hidden = (dopesheet->flag & TRACKING_DOPE_SHOW_HIDDEN) != 0;
|
|
|
|
for (track = tracksbase->first; track; track = track->next) {
|
|
MovieTrackingDopesheetChannel *channel;
|
|
|
|
if (!show_hidden && (track->flag & TRACK_HIDDEN) != 0)
|
|
continue;
|
|
|
|
if (sel_only && !TRACK_SELECTED(track))
|
|
continue;
|
|
|
|
channel = MEM_callocN(sizeof(MovieTrackingDopesheetChannel), "tracking dopesheet channel");
|
|
channel->track = track;
|
|
|
|
if (reconstruction->flag & TRACKING_RECONSTRUCTED) {
|
|
BLI_snprintf(channel->name, sizeof(channel->name), "%s (%.4f)", track->name, track->error);
|
|
}
|
|
else {
|
|
BLI_strncpy(channel->name, track->name, sizeof(channel->name));
|
|
}
|
|
|
|
tracking_dopesheet_channels_segments_calc(channel);
|
|
|
|
BLI_addtail(&dopesheet->channels, channel);
|
|
dopesheet->tot_channel++;
|
|
}
|
|
}
|
|
|
|
/* Sot dopesheet channels using given method (name, average error, total coverage,
|
|
* longest tracked segment) and could also inverse the list if it's enabled.
|
|
*/
|
|
static void tracking_dopesheet_channels_sort(MovieTracking *tracking, int sort_method, bool inverse)
|
|
{
|
|
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
|
|
|
|
if (inverse) {
|
|
if (sort_method == TRACKING_DOPE_SORT_NAME) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_alpha_inverse_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_LONGEST) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_longest_segment_inverse_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_TOTAL) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_total_track_inverse_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_AVERAGE_ERROR) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_average_error_inverse_sort);
|
|
}
|
|
}
|
|
else {
|
|
if (sort_method == TRACKING_DOPE_SORT_NAME) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_alpha_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_LONGEST) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_longest_segment_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_TOTAL) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_total_track_sort);
|
|
}
|
|
else if (sort_method == TRACKING_DOPE_SORT_AVERAGE_ERROR) {
|
|
BLI_listbase_sort(&dopesheet->channels, channels_average_error_sort);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int coverage_from_count(int count)
|
|
{
|
|
/* Values are actually arbitrary here, probably need to be tweaked. */
|
|
if (count < 8)
|
|
return TRACKING_COVERAGE_BAD;
|
|
else if (count < 16)
|
|
return TRACKING_COVERAGE_ACCEPTABLE;
|
|
return TRACKING_COVERAGE_OK;
|
|
}
|
|
|
|
/* Calculate coverage of frames with tracks, this information
|
|
* is used to highlight dopesheet background depending on how
|
|
* many tracks exists on the frame.
|
|
*/
|
|
static void tracking_dopesheet_calc_coverage(MovieTracking *tracking)
|
|
{
|
|
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
|
|
MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
|
|
ListBase *tracksbase = BKE_tracking_object_get_tracks(tracking, object);
|
|
MovieTrackingTrack *track;
|
|
int frames, start_frame = INT_MAX, end_frame = -INT_MAX;
|
|
int *per_frame_counter;
|
|
int prev_coverage, last_segment_frame;
|
|
|
|
/* find frame boundaries */
|
|
for (track = tracksbase->first; track; track = track->next) {
|
|
start_frame = min_ii(start_frame, track->markers[0].framenr);
|
|
end_frame = max_ii(end_frame, track->markers[track->markersnr - 1].framenr);
|
|
}
|
|
|
|
frames = end_frame - start_frame + 1;
|
|
|
|
/* this is a per-frame counter of markers (how many markers belongs to the same frame) */
|
|
per_frame_counter = MEM_callocN(sizeof(int) * frames, "per frame track counter");
|
|
|
|
/* find per-frame markers count */
|
|
for (track = tracksbase->first; track; track = track->next) {
|
|
for (int i = 0; i < track->markersnr; i++) {
|
|
MovieTrackingMarker *marker = &track->markers[i];
|
|
|
|
/* TODO: perhaps we need to add check for non-single-frame track here */
|
|
if ((marker->flag & MARKER_DISABLED) == 0)
|
|
per_frame_counter[marker->framenr - start_frame]++;
|
|
}
|
|
}
|
|
|
|
/* convert markers count to coverage and detect segments with the same coverage */
|
|
prev_coverage = coverage_from_count(per_frame_counter[0]);
|
|
last_segment_frame = start_frame;
|
|
|
|
/* means only disabled tracks in the beginning, could be ignored */
|
|
if (!per_frame_counter[0])
|
|
prev_coverage = TRACKING_COVERAGE_OK;
|
|
|
|
for (int i = 1; i < frames; i++) {
|
|
int coverage = coverage_from_count(per_frame_counter[i]);
|
|
|
|
/* means only disabled tracks in the end, could be ignored */
|
|
if (i == frames - 1 && !per_frame_counter[i])
|
|
coverage = TRACKING_COVERAGE_OK;
|
|
|
|
if (coverage != prev_coverage || i == frames - 1) {
|
|
MovieTrackingDopesheetCoverageSegment *coverage_segment;
|
|
int end_segment_frame = i - 1 + start_frame;
|
|
|
|
if (end_segment_frame == last_segment_frame)
|
|
end_segment_frame++;
|
|
|
|
coverage_segment = MEM_callocN(sizeof(MovieTrackingDopesheetCoverageSegment), "tracking coverage segment");
|
|
coverage_segment->coverage = prev_coverage;
|
|
coverage_segment->start_frame = last_segment_frame;
|
|
coverage_segment->end_frame = end_segment_frame;
|
|
|
|
BLI_addtail(&dopesheet->coverage_segments, coverage_segment);
|
|
|
|
last_segment_frame = end_segment_frame;
|
|
}
|
|
|
|
prev_coverage = coverage;
|
|
}
|
|
|
|
MEM_freeN(per_frame_counter);
|
|
}
|
|
|
|
/* Tag dopesheet for update, actual update will happen later
|
|
* when it'll be actually needed.
|
|
*/
|
|
void BKE_tracking_dopesheet_tag_update(MovieTracking *tracking)
|
|
{
|
|
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
|
|
|
|
dopesheet->ok = false;
|
|
}
|
|
|
|
/* Do dopesheet update, if update is not needed nothing will happen. */
|
|
void BKE_tracking_dopesheet_update(MovieTracking *tracking)
|
|
{
|
|
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
|
|
|
|
short sort_method = dopesheet->sort_method;
|
|
bool inverse = (dopesheet->flag & TRACKING_DOPE_SORT_INVERSE) != 0;
|
|
|
|
if (dopesheet->ok)
|
|
return;
|
|
|
|
tracking_dopesheet_free(dopesheet);
|
|
|
|
/* channels */
|
|
tracking_dopesheet_channels_calc(tracking);
|
|
tracking_dopesheet_channels_sort(tracking, sort_method, inverse);
|
|
|
|
/* frame coverage */
|
|
tracking_dopesheet_calc_coverage(tracking);
|
|
|
|
dopesheet->ok = true;
|
|
}
|
|
|
|
/* NOTE: Returns NULL if the track comes from camera object, */
|
|
MovieTrackingObject *BKE_tracking_find_object_for_track(
|
|
const MovieTracking *tracking,
|
|
const MovieTrackingTrack *track)
|
|
{
|
|
const ListBase *tracksbase = &tracking->tracks;
|
|
if (BLI_findindex(tracksbase, track) != -1) {
|
|
return NULL;
|
|
}
|
|
MovieTrackingObject *object = tracking->objects.first;
|
|
while (object != NULL) {
|
|
if (BLI_findindex(&object->tracks, track) != -1) {
|
|
return object;
|
|
}
|
|
object = object->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
ListBase *BKE_tracking_find_tracks_list_for_track(
|
|
MovieTracking *tracking,
|
|
const MovieTrackingTrack *track)
|
|
{
|
|
MovieTrackingObject *object = BKE_tracking_find_object_for_track(tracking,
|
|
track);
|
|
if (object != NULL) {
|
|
return &object->tracks;
|
|
}
|
|
return &tracking->tracks;
|
|
}
|
|
|
|
/* NOTE: Returns NULL if the track comes from camera object, */
|
|
MovieTrackingObject *BKE_tracking_find_object_for_plane_track(
|
|
const MovieTracking *tracking,
|
|
const MovieTrackingPlaneTrack *plane_track)
|
|
{
|
|
const ListBase *plane_tracks_base = &tracking->plane_tracks;
|
|
if (BLI_findindex(plane_tracks_base, plane_track) != -1) {
|
|
return NULL;
|
|
}
|
|
MovieTrackingObject *object = tracking->objects.first;
|
|
while (object != NULL) {
|
|
if (BLI_findindex(&object->plane_tracks, plane_track) != -1) {
|
|
return object;
|
|
}
|
|
object = object->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
ListBase *BKE_tracking_find_tracks_list_for_plane_track(
|
|
MovieTracking *tracking,
|
|
const MovieTrackingPlaneTrack *plane_track)
|
|
{
|
|
MovieTrackingObject *object =
|
|
BKE_tracking_find_object_for_plane_track(tracking, plane_track);
|
|
if (object != NULL) {
|
|
return &object->plane_tracks;
|
|
}
|
|
return &tracking->plane_tracks;
|
|
}
|
|
|
|
void BKE_tracking_get_rna_path_for_track(
|
|
const struct MovieTracking *tracking,
|
|
const struct MovieTrackingTrack *track,
|
|
char *rna_path,
|
|
size_t rna_path_len)
|
|
{
|
|
MovieTrackingObject *object =
|
|
BKE_tracking_find_object_for_track(tracking, track);
|
|
char track_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(track_name_esc, track->name, sizeof(track_name_esc));
|
|
if (object == NULL) {
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.tracks[\"%s\"]",
|
|
track_name_esc);
|
|
}
|
|
else {
|
|
char object_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(object_name_esc, object->name, sizeof(object_name_esc));
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.objects[\"%s\"].tracks[\"%s\"]",
|
|
object_name_esc,
|
|
track_name_esc);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
MovieTrackingObject *object =
|
|
BKE_tracking_find_object_for_track(tracking, track);
|
|
if (object == NULL) {
|
|
BLI_snprintf(rna_path, rna_path_len, "tracking.tracks");
|
|
}
|
|
else {
|
|
char object_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(object_name_esc, object->name, sizeof(object_name_esc));
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.objects[\"%s\"]",
|
|
object_name_esc);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
MovieTrackingObject *object =
|
|
BKE_tracking_find_object_for_plane_track(tracking, plane_track);
|
|
char track_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(track_name_esc, plane_track->name, sizeof(track_name_esc));
|
|
if (object == NULL) {
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.plane_tracks[\"%s\"]",
|
|
track_name_esc);
|
|
}
|
|
else {
|
|
char object_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(object_name_esc, object->name, sizeof(object_name_esc));
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.objects[\"%s\"].plane_tracks[\"%s\"]",
|
|
object_name_esc,
|
|
track_name_esc);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
MovieTrackingObject *object =
|
|
BKE_tracking_find_object_for_plane_track(tracking, plane_track);
|
|
if (object == NULL) {
|
|
BLI_snprintf(rna_path, rna_path_len, "tracking.plane_tracks");
|
|
}
|
|
else {
|
|
char object_name_esc[MAX_NAME * 2];
|
|
BLI_strescape(object_name_esc, object->name, sizeof(object_name_esc));
|
|
BLI_snprintf(rna_path, rna_path_len,
|
|
"tracking.objects[\"%s\"].plane_tracks",
|
|
object_name_esc);
|
|
}
|
|
}
|