rna_tracking.c

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Contributor(s): Blender Foundation,
 *                 Sergey Sharybin
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdlib.h>
#include <limits.h>

#include "MEM_guardedalloc.h"

#include "BLI_math.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"

#include "RNA_define.h"

#include "rna_internal.h"

#include "DNA_movieclip_types.h"
#include "DNA_object_types.h"   /* SELECT */
#include "DNA_scene_types.h"

#include "WM_types.h"

#ifdef RNA_RUNTIME

#include "BKE_depsgraph.h"
#include "BKE_node.h"

#include "IMB_imbuf.h"

#include "WM_api.h"

static void rna_tracking_defaultSettings_levelsUpdate(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTracking *tracking= &clip->tracking;
    MovieTrackingSettings *settings= &tracking->settings;

    if(settings->default_tracker==TRACKER_KLT) {
        int max_pyramid_level_factor= 1 << (settings->default_pyramid_levels - 1);
        float search_ratio= 2.3f * max_pyramid_level_factor;

        settings->default_search_size= settings->default_pattern_size*search_ratio;
    }
}

static void rna_tracking_defaultSettings_patternUpdate(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTracking *tracking= &clip->tracking;
    MovieTrackingSettings *settings= &tracking->settings;

    if(settings->default_search_size<settings->default_pattern_size)
        settings->default_search_size= settings->default_pattern_size;
}

static void rna_tracking_defaultSettings_searchUpdate(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTracking *tracking= &clip->tracking;
    MovieTrackingSettings *settings= &tracking->settings;

    if(settings->default_pattern_size>settings->default_search_size)
        settings->default_pattern_size= settings->default_search_size;
}

static void rna_trackingTracks_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    rna_iterator_listbase_begin(iter, &clip->tracking.tracks, NULL);
}

static void rna_trackingObjects_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    rna_iterator_listbase_begin(iter, &clip->tracking.objects, NULL);
}

static int rna_tracking_active_object_index_get(PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    return clip->tracking.objectnr;
}

static void rna_tracking_active_object_index_set(PointerRNA *ptr, int value)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    clip->tracking.objectnr= value;
}

static void rna_tracking_active_object_index_range(PointerRNA *ptr, int *min, int *max)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    *min= 0;
    *max= clip->tracking.tot_object-1;
    *max= MAX2(0, *max);
}

static PointerRNA rna_tracking_active_track_get(PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingTrack *act_track= BKE_tracking_active_track(&clip->tracking);

    return rna_pointer_inherit_refine(ptr, &RNA_MovieTrackingTrack, act_track);
}

static void rna_tracking_active_track_set(PointerRNA *ptr, PointerRNA value)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingTrack *track= (MovieTrackingTrack *)value.data;
    ListBase *tracksbase= BKE_tracking_get_tracks(&clip->tracking);
    int index= BLI_findindex(tracksbase, track);

    if(index>=0)
        clip->tracking.act_track= track;
    else
        clip->tracking.act_track= NULL;
}

void rna_trackingTrack_name_set(PointerRNA *ptr, const char *value)
{
    MovieClip *clip= (MovieClip *)ptr->id.data;
    MovieTracking *tracking= &clip->tracking;
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;
    ListBase *tracksbase= &tracking->tracks;

    BLI_strncpy(track->name, value, sizeof(track->name));

    /* TODO: it's a bit difficult to find list track came from knowing just
             movie clip ID and MovieTracking structure, so keep this naive
             search for a while */
    if(BLI_findindex(tracksbase, track) < 0) {
        MovieTrackingObject *object= tracking->objects.first;

        while(object) {
            if(BLI_findindex(&object->tracks, track)) {
                tracksbase= &object->tracks;
                break;
            }

            object= object->next;
        }
    }

    BKE_track_unique_name(tracksbase, track);
}

static int rna_trackingTrack_select_get(PointerRNA *ptr)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

    return TRACK_SELECTED(track);
}

static void rna_trackingTrack_select_set(PointerRNA *ptr, int value)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

    if(value) {
        track->flag|= SELECT;
        track->pat_flag|= SELECT;
        track->search_flag|= SELECT;
    }
    else {
        track->flag&= ~SELECT;
        track->pat_flag&= ~SELECT;
        track->search_flag&= ~SELECT;
    }
}

static void rna_tracking_trackerPattern_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

    BKE_tracking_clamp_track(track, CLAMP_PAT_DIM);
}

static void rna_tracking_trackerSearch_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

    BKE_tracking_clamp_track(track, CLAMP_SEARCH_DIM);
}

static void rna_tracking_trackerAlgorithm_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

        if(track->tracker==TRACKER_KLT)
          BKE_tracking_clamp_track(track, CLAMP_PYRAMID_LEVELS);
        else
          BKE_tracking_clamp_track(track, CLAMP_SEARCH_DIM);
}

static void rna_tracking_trackerPyramid_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
    MovieTrackingTrack *track= (MovieTrackingTrack *)ptr->data;

    BKE_tracking_clamp_track(track, CLAMP_PYRAMID_LEVELS);
}

static float rna_trackingCamera_focal_mm_get(PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingCamera *camera= &clip->tracking.camera;
    float val= camera->focal;

    if(clip->lastsize[0])
        val= val*camera->sensor_width/(float)clip->lastsize[0];

    return val;
}

static void rna_trackingCamera_focal_mm_set(PointerRNA *ptr, float value)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingCamera *camera= &clip->tracking.camera;

    if(clip->lastsize[0])
        value= clip->lastsize[0]*value/camera->sensor_width;

    if(value>=0.0001)
        camera->focal= value;
}

static int rna_track_2d_stabilization(CollectionPropertyIterator *UNUSED(iter), void *data)
{
    MovieTrackingTrack *track= (MovieTrackingTrack*)data;

    if((track->flag&TRACK_USE_2D_STAB)==0)
        return 1;

    return 0;
}

static void rna_tracking_stabTracks_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    rna_iterator_listbase_begin(iter, &clip->tracking.tracks, rna_track_2d_stabilization);
}

static int rna_tracking_stabTracks_active_index_get(PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    return clip->tracking.stabilization.act_track;
}

static void rna_tracking_stabTracks_active_index_set(PointerRNA *ptr, int value)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    clip->tracking.stabilization.act_track= value;
}

static void rna_tracking_stabTracks_active_index_range(PointerRNA *ptr, int *min, int *max)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    *min= 0;
    *max= clip->tracking.stabilization.tot_track-1;
    *max= MAX2(0, *max);
}

static void rna_tracking_flushUpdate(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingStabilization *stab= &clip->tracking.stabilization;

    stab->ok= 0;

    nodeUpdateID(scene->nodetree, &clip->id);

    WM_main_add_notifier(NC_SCENE|ND_NODES, NULL);
    DAG_id_tag_update(&clip->id, 0);
}

static void rna_trackingObject_tracks_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
    MovieTrackingObject *object= (MovieTrackingObject* )ptr->data;

    if(object->flag&TRACKING_OBJECT_CAMERA) {
        MovieClip *clip= (MovieClip*)ptr->id.data;

        rna_iterator_listbase_begin(iter, &clip->tracking.tracks, NULL);
    }
    else {
        rna_iterator_listbase_begin(iter, &object->tracks, NULL);
    }
}

static PointerRNA rna_tracking_active_object_get(PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingObject *object= BLI_findlink(&clip->tracking.objects, clip->tracking.objectnr);

    return rna_pointer_inherit_refine(ptr, &RNA_MovieTrackingObject, object);
}

static void rna_tracking_active_object_set(PointerRNA *ptr, PointerRNA value)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;
    MovieTrackingObject *object= (MovieTrackingObject *)value.data;
    int index= BLI_findindex(&clip->tracking.objects, object);

    if(index>=0) clip->tracking.objectnr= index;
    else clip->tracking.objectnr= 0;
}

void rna_trackingObject_name_set(PointerRNA *ptr, const char *value)
{
    MovieClip *clip= (MovieClip *)ptr->id.data;
    MovieTrackingObject *object= (MovieTrackingObject *)ptr->data;

    BLI_strncpy(object->name, value, sizeof(object->name));

    BKE_tracking_object_unique_name(&clip->tracking, object);
}

static void rna_trackingObject_flushUpdate(Main *UNUSED(bmain), Scene *scene, PointerRNA *ptr)
{
    MovieClip *clip= (MovieClip*)ptr->id.data;

    WM_main_add_notifier(NC_OBJECT|ND_TRANSFORM, NULL);
    DAG_id_tag_update(&clip->id, 0);
}

static void rna_trackingMarker_frame_set(PointerRNA *ptr, int value)
{
    MovieClip *clip = (MovieClip *) ptr->id.data;
    MovieTracking *tracking = &clip->tracking;
    MovieTrackingTrack *track;
    MovieTrackingMarker *marker = (MovieTrackingMarker *) ptr->data;

    track = tracking->tracks.first;
    while (track) {
        if (marker >= track->markers && marker < track->markers+track->markersnr) {
            break;
        }

        track = track->next;
    }

    if (track) {
        MovieTrackingMarker new_marker = *marker;
        new_marker.framenr = value;

        BKE_tracking_delete_marker(track, marker->framenr);
        BKE_tracking_insert_marker(track, &new_marker);
    }
}

/* API */

static void add_tracks_to_base(MovieClip *clip, MovieTracking *tracking, ListBase *tracksbase, int frame, int number)
{
    int a, width, height;
    MovieClipUser user= {0};

    user.framenr= 1;

    BKE_movieclip_get_size(clip, &user, &width, &height);

    for(a= 0; a<number; a++)
        BKE_tracking_add_track(tracking, tracksbase, 0, 0, frame, width, height);
}

static void rna_trackingTracks_add(ID *id, MovieTracking *tracking, int frame, int number)
{
    MovieClip *clip= (MovieClip *) id;

    add_tracks_to_base(clip, tracking, &tracking->tracks, frame, number);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, clip);
}

static void rna_trackingObject_tracks_add(ID *id, MovieTrackingObject *object, int frame, int number)
{
    MovieClip *clip= (MovieClip *) id;
    ListBase *tracksbase= &object->tracks;

    if(object->flag&TRACKING_OBJECT_CAMERA)
        tracksbase= &clip->tracking.tracks;

    add_tracks_to_base(clip, &clip->tracking, tracksbase, frame, number);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, NULL);
}

static MovieTrackingObject *rna_trackingObject_new(MovieTracking *tracking, const char *name)
{
    MovieTrackingObject *object= BKE_tracking_new_object(tracking, name);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, NULL);

    return object;
}

void rna_trackingObject_remove(MovieTracking *tracking, MovieTrackingObject *object)
{
    BKE_tracking_remove_object(tracking, object);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, NULL);
}

static MovieTrackingMarker *rna_trackingMarkers_find_frame(MovieTrackingTrack *track, int framenr)
{
    return BKE_tracking_exact_marker(track, framenr);
}

static MovieTrackingMarker* rna_trackingMarkers_insert_frame(MovieTrackingTrack *track, int framenr, float *co)
{
    MovieTrackingMarker marker, *new_marker;

    memset(&marker, 0, sizeof(marker));
    marker.framenr = framenr;
    copy_v2_v2(marker.pos, co);

    new_marker = BKE_tracking_insert_marker(track, &marker);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, NULL);

    return new_marker;
}

void rna_trackingMarkers_delete_frame(MovieTrackingTrack *track, int framenr)
{
    if(track->markersnr==1)
        return;

    BKE_tracking_delete_marker(track, framenr);

    WM_main_add_notifier(NC_MOVIECLIP|NA_EDITED, NULL);
}

#else

static EnumPropertyItem tracker_items[] = {
    {TRACKER_KLT, "KLT", 0, "KLT", "Kanade–Lucas–Tomasi tracker which works with most of video clips, a bit slower than SAD"},
    {TRACKER_SAD, "SAD", 0, "SAD", "Sum of Absolute Differences tracker which can be used when KLT tracker fails"},
    {TRACKER_HYBRID, "Hybrid", 0, "Hybrid", "A hybrid tracker that uses SAD for rough tracking, KLT for refinement."},
    {0, NULL, 0, NULL, NULL}};

static EnumPropertyItem pattern_match_items[] = {
    {TRACK_MATCH_KEYFRAME, "KEYFRAME", 0, "Keyframe", "Track pattern from keyframe to next frame"},
    {TRACK_MATCH_PREVFRAME, "PREV_FRAME", 0, "Previous frame", "Track pattern from current frame to next frame"},
    {0, NULL, 0, NULL, NULL}};

static int rna_matrix_dimsize_4x4[]= {4, 4};

static void rna_def_trackingSettings(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem speed_items[] = {
        {0, "FASTEST", 0, "Fastest", "Track as fast as it's possible"},
        {TRACKING_SPEED_DOUBLE, "DOUBLE", 0, "Double", "Track with double speed"},
        {TRACKING_SPEED_REALTIME, "REALTIME", 0, "Realtime", "Track with realtime speed"},
        {TRACKING_SPEED_HALF, "HALF", 0, "Half", "Track with half of realtime speed"},
        {TRACKING_SPEED_QUARTER, "QUARTER", 0, "Quarter", "Track with quarter of realtime speed"},
        {0, NULL, 0, NULL, NULL}};

    static EnumPropertyItem cleanup_items[] = {
        {TRACKING_CLEAN_SELECT, "SELECT", 0, "Select", "Select unclean tracks"},
        {TRACKING_CLEAN_DELETE_TRACK, "DELETE_TRACK", 0, "Delete Track", "Delete unclean tracks"},
        {TRACKING_CLEAN_DELETE_SEGMENT, "DELETE_SEGMENTS", 0, "Delete Segments", "Delete unclean segments of tracks"},
        {0, NULL, 0, NULL, NULL}
    };

    static EnumPropertyItem refine_items[] = {
        {0, "NONE", 0, "Nothing", "Do not refine camera intrinsics"},
        {REFINE_FOCAL_LENGTH, "FOCAL_LENGTH", 0, "Focal Length", "Refine focal length"},
        {REFINE_FOCAL_LENGTH|REFINE_RADIAL_DISTORTION_K1, "FOCAL_LENGTH_RADIAL_K1", 0, "Focal length, K1", "Refine focal length and radial distortion K1"},
        {REFINE_FOCAL_LENGTH|
         REFINE_RADIAL_DISTORTION_K1|
         REFINE_RADIAL_DISTORTION_K2, "FOCAL_LENGTH_RADIAL_K1_K2", 0, "Focal length, K1, K2", "Refine focal length and radial distortion K1 and K2"},
        {REFINE_FOCAL_LENGTH|
         REFINE_PRINCIPAL_POINT|
         REFINE_RADIAL_DISTORTION_K1|
         REFINE_RADIAL_DISTORTION_K2,
         "FOCAL_LENGTH_PRINCIPAL_POINT_RADIAL_K1_K2", 0, "Focal Length, Optical Center, K1, K2", "Refine focal length, optical center and radial distortion K1 and K2"},
        {REFINE_FOCAL_LENGTH|
         REFINE_PRINCIPAL_POINT, "FOCAL_LENGTH_PRINCIPAL_POINT", 0, "Focal Length, Optical Center", "Refine focal length and optical center"},
        {0, NULL, 0, NULL, NULL}
    };

    srna= RNA_def_struct(brna, "MovieTrackingSettings", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking settings", "Match moving settings");

    /* speed */
    prop= RNA_def_property(srna, "speed", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, speed_items);
    RNA_def_property_ui_text(prop, "Speed", "Limit speed of tracking to make visual feedback easier (this does not affect the tracking quality)");

    /* keyframe_a */
    prop= RNA_def_property(srna, "keyframe_a", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "keyframe1");
    RNA_def_property_ui_text(prop, "Keyframe A", "First keyframe used for reconstruction initialization");

    /* keyframe_b */
    prop= RNA_def_property(srna, "keyframe_b", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "keyframe2");
    RNA_def_property_ui_text(prop, "Keyframe B", "Second keyframe used for reconstruction initialization");

    /* intrinsics refinement during bundle adjustment */
    prop= RNA_def_property(srna, "refine_intrinsics", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "refine_camera_intrinsics");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, refine_items);
    RNA_def_property_ui_text(prop, "Refine", "Refine intrinsics during camera solving");

    /* tool settings */

    /* distance */
    prop= RNA_def_property(srna, "distance", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "dist");
    RNA_def_property_ui_text(prop, "Distance", "Distance between two bundles used for scene scaling");

    /* frames count */
    prop= RNA_def_property(srna, "clean_frames", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "clean_frames");
    RNA_def_property_range(prop, 0, INT_MAX);
    RNA_def_property_ui_text(prop, "Tracked Frames", "Effect on tracks which are tracked less than the specified amount of frames");

    /* reprojection error */
    prop= RNA_def_property(srna, "clean_error", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "clean_error");
    RNA_def_property_range(prop, 0, FLT_MAX);
    RNA_def_property_ui_text(prop, "Reprojection Error", "Effect on tracks which have a larger reprojection error");

    /* cleanup action */
    prop= RNA_def_property(srna, "clean_action", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "clean_action");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, cleanup_items);
    RNA_def_property_ui_text(prop, "Action", "Cleanup action to execute");

    /* ** default tracker settings ** */
    prop= RNA_def_property(srna, "show_default_expanded", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_SETTINGS_SHOW_DEFAULT_EXPANDED);
    RNA_def_property_ui_text(prop, "Show Expanded", "Show the expanded in the user interface");
    RNA_def_property_ui_icon(prop, ICON_TRIA_RIGHT, 1);

    /* limit frames */
    prop= RNA_def_property(srna, "default_frames_limit", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "default_frames_limit");
    RNA_def_property_range(prop, 0, SHRT_MAX);
    RNA_def_property_ui_text(prop, "Frames Limit", "Every tracking cycle, this number of frames are tracked");

    /* pattern match */
    prop= RNA_def_property(srna, "default_pattern_match", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_sdna(prop, NULL, "default_pattern_match");
    RNA_def_property_enum_items(prop, pattern_match_items);
    RNA_def_property_ui_text(prop, "Pattern Match", "Track pattern from given frame when tracking marker to next frame");

    /* margin */
    prop= RNA_def_property(srna, "default_margin", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "default_margin");
    RNA_def_property_range(prop, 0, 300);
    RNA_def_property_ui_text(prop, "Margin", "Default distance from image boudary at which marker stops tracking");

    /* tracking algorithm */
    prop= RNA_def_property(srna, "default_tracker", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, tracker_items);
    RNA_def_property_update(prop, 0, "rna_tracking_defaultSettings_levelsUpdate");
    RNA_def_property_ui_text(prop, "Tracker", "Default tracking algorithm to use");

    /* pyramid level for pyramid klt tracking */
    prop= RNA_def_property(srna, "default_pyramid_levels", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "default_pyramid_levels");
    RNA_def_property_range(prop, 1, 16);
    RNA_def_property_update(prop, 0, "rna_tracking_defaultSettings_levelsUpdate");
    RNA_def_property_ui_text(prop, "Pyramid levels", "Default number of pyramid levels (increase on blurry footage)");

    /* minmal correlation - only used for SAD tracker */
    prop= RNA_def_property(srna, "default_correlation_min", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "default_minimum_correlation");
    RNA_def_property_range(prop, -1.0f, 1.0f);
    RNA_def_property_ui_range(prop, -1.0f, 1.0f, 0.1, 3);
    RNA_def_property_ui_text(prop, "Correlation", "Default minimal value of correlation between matched pattern and reference which is still treated as successful tracking");

    /* default pattern size */
    prop= RNA_def_property(srna, "default_pattern_size", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "default_pattern_size");
    RNA_def_property_range(prop, 5, 1000);
    RNA_def_property_update(prop, 0, "rna_tracking_defaultSettings_patternUpdate");
    RNA_def_property_ui_text(prop, "Pattern Size", "Size of pattern area for newly created tracks");

    /* default search size */
    prop= RNA_def_property(srna, "default_search_size", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "default_search_size");
    RNA_def_property_range(prop, 5, 1000);
    RNA_def_property_update(prop, 0, "rna_tracking_defaultSettings_searchUpdate");
    RNA_def_property_ui_text(prop, "Search Size", "Size of search area for newly created tracks");

    /* object distance */
    prop= RNA_def_property(srna, "object_distance", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "object_distance");
    RNA_def_property_ui_text(prop, "Distance", "Distance between two bundles used for object scaling");
    RNA_def_property_range(prop, 0.001, 10000);
    RNA_def_property_ui_range(prop, 0.001, 10000.0, 1, 3);
}

static void rna_def_trackingCamera(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    static EnumPropertyItem camera_units_items[] = {
        {CAMERA_UNITS_PX, "PIXELS", 0, "px", "Use pixels for units of focal length"},
        {CAMERA_UNITS_MM, "MILLIMETERS", 0, "mm", "Use millimeters for units of focal length"},
        {0, NULL, 0, NULL, NULL}};

    srna= RNA_def_struct(brna, "MovieTrackingCamera", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking camera data", "Match-moving camera data for tracking");

    /* Sensor */
    prop= RNA_def_property(srna, "sensor_width", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "sensor_width");
    RNA_def_property_range(prop, 0.0f, 500.0f);
    RNA_def_property_ui_text(prop, "Sensor", "Width of CCD sensor in millimeters");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);

    /* Focal Length */
    prop= RNA_def_property(srna, "focal_length", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "focal");
    RNA_def_property_range(prop, 0.0001f, 5000.0f);
    RNA_def_property_float_funcs(prop, "rna_trackingCamera_focal_mm_get", "rna_trackingCamera_focal_mm_set", NULL);
    RNA_def_property_ui_text(prop, "Focal Length", "Camera's focal length");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);

    /* Focal Length in pixels */
    prop= RNA_def_property(srna, "focal_length_pixels", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "focal");
    RNA_def_property_range(prop, 0.0f, 5000.0f);
    RNA_def_property_ui_text(prop, "Focal Length", "Camera's focal length");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);

    /* Units */
    prop= RNA_def_property(srna, "units", PROP_ENUM, PROP_NONE);
    RNA_def_property_enum_sdna(prop, NULL, "units");
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, camera_units_items);
    RNA_def_property_ui_text(prop, "Units", "Units used for camera focal length");

    /* Principal Point */
    prop= RNA_def_property(srna, "principal", PROP_FLOAT, PROP_NONE);
    RNA_def_property_array(prop, 2);
    RNA_def_property_float_sdna(prop, NULL, "principal");
    RNA_def_property_ui_text(prop, "Principal Point", "Optical center of lens");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);

    /* Radial distortion parameters */
    prop= RNA_def_property(srna, "k1", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "k1");
    RNA_def_property_ui_range(prop, -10, 10, .1, 3);
    RNA_def_property_ui_text(prop, "K1", "First coefficient of third order polynomial radial distortion");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_flushUpdate");

    prop= RNA_def_property(srna, "k2", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "k2");
    RNA_def_property_ui_range(prop, -10, 10, .1, 3);
    RNA_def_property_ui_text(prop, "K2", "Second coefficient of third order polynomial radial distortion");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_flushUpdate");

    prop= RNA_def_property(srna, "k3", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "k3");
    RNA_def_property_ui_range(prop, -10, 10, .1, 3);
    RNA_def_property_ui_text(prop, "K3", "Third coefficient of third order polynomial radial distortion");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_flushUpdate");

    /* pixel aspect */
    prop= RNA_def_property(srna, "pixel_aspect", PROP_FLOAT, PROP_XYZ);
    RNA_def_property_float_sdna(prop, NULL, "pixel_aspect");
    RNA_def_property_range(prop, 0.1f, 5000.0f);
    RNA_def_property_ui_range(prop, 0.1f, 5000.0f, 1, 2);
    RNA_def_property_ui_text(prop, "Pixel Aspect Ratio", "Pixel aspect ratio");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");
}

static void rna_def_trackingMarker(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieTrackingMarker", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking marker data", "Match-moving marker data for tracking");

    /* position */
    prop= RNA_def_property(srna, "co", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 5);
    RNA_def_property_float_sdna(prop, NULL, "pos");
    RNA_def_property_ui_text(prop, "Position", "Marker position at frame in normalized coordinates");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);

    /* frame */
    prop= RNA_def_property(srna, "frame", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "framenr");
    RNA_def_property_ui_text(prop, "Frame", "Frame number marker is keyframed on");
    RNA_def_property_int_funcs(prop, NULL, "rna_trackingMarker_frame_set", NULL);
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, 0);

    /* enable */
    prop= RNA_def_property(srna, "mute", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", MARKER_DISABLED);
    RNA_def_property_ui_text(prop, "Mode", "Is marker muted for current frame");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);
}

static void rna_def_trackingMarkers(BlenderRNA *brna, PropertyRNA *cprop)
{
    StructRNA *srna;
    FunctionRNA *func;
    PropertyRNA *parm;

    RNA_def_property_srna(cprop, "MovieTrackingMarkers");
    srna= RNA_def_struct(brna, "MovieTrackingMarkers", NULL);
    RNA_def_struct_sdna(srna, "MovieTrackingTrack");
    RNA_def_struct_ui_text(srna, "Movie Tracking Markers", "Collection of markers for movie tracking track");

    func= RNA_def_function(srna, "find_frame", "rna_trackingMarkers_find_frame");
    RNA_def_function_ui_description(func, "Get marker for specified frame");
    parm= RNA_def_int(func, "frame", 1, MINFRAME, MAXFRAME, "Frame",
             "Frame number to find marker for", MINFRAME, MAXFRAME);
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "marker", "MovieTrackingMarker", "", "Marker for specified frame");
    RNA_def_function_return(func, parm);

    func= RNA_def_function(srna, "insert_frame", "rna_trackingMarkers_insert_frame");
    RNA_def_function_ui_description(func, "Add a number of tracks to this movie clip");
    parm= RNA_def_int(func, "frame", 1, MINFRAME, MAXFRAME, "Frame",
            "Frame number to insert marker to", MINFRAME, MAXFRAME);
    RNA_def_property_flag(parm, PROP_REQUIRED);
    RNA_def_float_vector(func, "co", 2, 0, -1.0, 1.0, "Coordinate",
            "Place new marker at the given frame using specified in normalized space coordinates", -1.0, 1.0);
    RNA_def_property_flag(parm, PROP_REQUIRED);
    parm= RNA_def_pointer(func, "marker", "MovieTrackingMarker", "", "Newly created marker");
    RNA_def_function_return(func, parm);

    func= RNA_def_function(srna, "delete_frame", "rna_trackingMarkers_delete_frame");
    RNA_def_function_ui_description(func, "Delete marker at specified frame");
    parm= RNA_def_int(func, "frame", 1, MINFRAME, MAXFRAME, "Frame",
            "Frame number to delete marker from", MINFRAME, MAXFRAME);
    RNA_def_property_flag(parm, PROP_REQUIRED);
}

static void rna_def_trackingTrack(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    rna_def_trackingMarker(brna);

    srna= RNA_def_struct(brna, "MovieTrackingTrack", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking track data", "Match-moving track data for tracking");
    RNA_def_struct_ui_icon(srna, ICON_ANIM_DATA);

    /* name */
    prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_ui_text(prop, "Name", "Unique name of track");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_trackingTrack_name_set");
    RNA_def_property_string_maxlength(prop, MAX_ID_NAME-2);
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);
    RNA_def_struct_name_property(srna, prop);

    /* Pattern */
    prop= RNA_def_property(srna, "pattern_min", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 5);
    RNA_def_property_float_sdna(prop, NULL, "pat_min");
    RNA_def_property_ui_text(prop, "Pattern Min", "Left-bottom corner of pattern area in normalized coordinates relative to marker position");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerPattern_update");

    prop= RNA_def_property(srna, "pattern_max", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 5);
    RNA_def_property_float_sdna(prop, NULL, "pat_max");
    RNA_def_property_ui_text(prop, "Pattern Max", "Right-bottom corner of pattern area in normalized coordinates relative to marker position");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerPattern_update");

    /* Search */
    prop= RNA_def_property(srna, "search_min", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 5);
    RNA_def_property_float_sdna(prop, NULL, "search_min");
    RNA_def_property_ui_text(prop, "Search Min", "Left-bottom corner of search area in normalized coordinates relative to marker position");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerSearch_update");

    prop= RNA_def_property(srna, "search_max", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 2);
    RNA_def_property_ui_range(prop, -FLT_MAX, FLT_MAX, 1, 5);
    RNA_def_property_float_sdna(prop, NULL, "search_max");
    RNA_def_property_ui_text(prop, "Search Max", "Right-bottom corner of search area in normalized coordinates relative to marker position");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerSearch_update");

    /* limit frames */
    prop= RNA_def_property(srna, "frames_limit", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "frames_limit");
    RNA_def_property_range(prop, 0, SHRT_MAX);
    RNA_def_property_ui_text(prop, "Frames Limit", "Every tracking cycle, this number of frames are tracked");

    /* pattern match */
    prop= RNA_def_property(srna, "pattern_match", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_sdna(prop, NULL, "pattern_match");
    RNA_def_property_enum_items(prop, pattern_match_items);
    RNA_def_property_ui_text(prop, "Pattern Match", "Track pattern from given frame when tracking marker to next frame");

    /* margin */
    prop= RNA_def_property(srna, "margin", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "margin");
    RNA_def_property_range(prop, 0, 300);
    RNA_def_property_ui_text(prop, "Margin", "Distance from image boudary at which marker stops tracking");

    /* tracking algorithm */
    prop= RNA_def_property(srna, "tracker", PROP_ENUM, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_enum_items(prop, tracker_items);
    RNA_def_property_ui_text(prop, "Tracker", "Tracking algorithm to use");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerAlgorithm_update");

    /* pyramid level for pyramid klt tracking */
    prop= RNA_def_property(srna, "pyramid_levels", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_int_sdna(prop, NULL, "pyramid_levels");
    RNA_def_property_range(prop, 1, 16);
    RNA_def_property_ui_text(prop, "Pyramid levels", "Number of pyramid levels (increase on blurry footage)");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_trackerPyramid_update");

    /* minmal correlation - only used for SAD tracker */
    prop= RNA_def_property(srna, "correlation_min", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "minimum_correlation");
    RNA_def_property_range(prop, -1.0f, 1.0f);
    RNA_def_property_ui_range(prop, -1.0f, 1.0f, 0.1, 3);
    RNA_def_property_ui_text(prop, "Correlation", "Minimal value of correlation between matched pattern and reference which is still treated as successful tracking");

    /* markers */
    prop= RNA_def_property(srna, "markers", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingMarker");
    RNA_def_property_collection_sdna(prop, NULL, "markers", "markersnr");
    RNA_def_property_ui_text(prop, "Markers", "Collection of markers in track");
    rna_def_trackingMarkers(brna, prop);

    /* ** channels ** */

    /* use_red_channel */
    prop= RNA_def_property(srna, "use_red_channel", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", TRACK_DISABLE_RED);
    RNA_def_property_ui_text(prop, "Use Red Channel", "Use red channel from footage for tracking");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* use_green_channel */
    prop= RNA_def_property(srna, "use_green_channel", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", TRACK_DISABLE_GREEN);
    RNA_def_property_ui_text(prop, "Use Green Channel", "Use green channel from footage for tracking");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* use_blue_channel */
    prop= RNA_def_property(srna, "use_blue_channel", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", TRACK_DISABLE_BLUE);
    RNA_def_property_ui_text(prop, "Use Blue Channel", "Use blue channel from footage for tracking");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* preview_grayscale */
    prop= RNA_def_property(srna, "use_grayscale_preview", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACK_PREVIEW_GRAYSCALE);
    RNA_def_property_ui_text(prop, "Grayscale", "Display what the tracking algorithm sees in the preview");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* has bundle */
    prop= RNA_def_property(srna, "has_bundle", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACK_HAS_BUNDLE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Has Bundle", "True if track has a valid bundle");

    /* bundle position */
    prop= RNA_def_property(srna, "bundle", PROP_FLOAT, PROP_TRANSLATION);
    RNA_def_property_array(prop, 3);
    RNA_def_property_float_sdna(prop, NULL, "bundle_pos");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Bundle", "Position of bundle reconstructed from this track");

    /* hide */
    prop= RNA_def_property(srna, "hide", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACK_HIDDEN);
    RNA_def_property_ui_text(prop, "Hide", "Track is hidden");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* select */
    prop= RNA_def_property(srna, "select", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_funcs(prop, "rna_trackingTrack_select_get", "rna_trackingTrack_select_set");
    RNA_def_property_ui_text(prop, "Select", "Track is selected");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* select_anchor */
    prop= RNA_def_property(srna, "select_anchor", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", SELECT);
    RNA_def_property_ui_text(prop, "Select Anchor", "Track's anchor point is selected");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* select_pattern */
    prop= RNA_def_property(srna, "select_pattern", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "pat_flag", SELECT);
    RNA_def_property_ui_text(prop, "Select Pattern", "Track's pattern area is selected");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* select_search */
    prop= RNA_def_property(srna, "select_search", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "search_flag", SELECT);
    RNA_def_property_ui_text(prop, "Select Search", "Track's search area is selected");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* locked */
    prop= RNA_def_property(srna, "lock", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACK_LOCKED);
    RNA_def_property_ui_text(prop, "Lock", "Track is locked and all changes to it are disabled");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* custom color */
    prop= RNA_def_property(srna, "use_custom_color", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACK_CUSTOMCOLOR);
    RNA_def_property_ui_text(prop, "Custom Color", "Use custom color instead of theme-defined");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* color */
    prop= RNA_def_property(srna, "color", PROP_FLOAT, PROP_COLOR);
    RNA_def_property_array(prop, 3);
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Color", "Color of the track in the Movie Track Editor and the 3D viewport after a solve");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* average error */
    prop= RNA_def_property(srna, "average_error", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "error");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Average Error", "Average error of re-projection");
}

static void rna_def_trackingStabilization(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieTrackingStabilization", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking stabilization data", "Match-moving stabilization data for tracking");

    /* 2d stabilization */
    prop= RNA_def_property(srna, "use_2d_stabilization", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_2D_STABILIZATION);
    RNA_def_property_ui_text(prop, "Use 2D stabilization", "Use 2D stabilization for footage");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* tracks */
    prop= RNA_def_property(srna, "tracks", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_funcs(prop, "rna_tracking_stabTracks_begin", "rna_iterator_listbase_next", "rna_iterator_listbase_end", "rna_iterator_listbase_get", 0, 0, 0, 0);
    RNA_def_property_struct_type(prop, "MovieTrackingTrack");
    RNA_def_property_ui_text(prop, "Tracks", "Collection of tracks used for stabilization");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* rotation track */
    prop= RNA_def_property(srna, "rotation_track", PROP_POINTER, PROP_NONE);
    RNA_def_property_pointer_sdna(prop, NULL, "rot_track");
    RNA_def_property_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Rotation Track", "Track used to compensate rotation");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_tracking_flushUpdate");

    /* active track index */
    prop= RNA_def_property(srna, "active_track_index", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "act_track");
    RNA_def_property_int_funcs(prop, "rna_tracking_stabTracks_active_index_get", "rna_tracking_stabTracks_active_index_set", "rna_tracking_stabTracks_active_index_range");
    RNA_def_property_ui_text(prop, "Active Track Index", "Index of active track in stabilization tracks list");

    /* autoscale */
    prop= RNA_def_property(srna, "use_autoscale", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_AUTOSCALE);
    RNA_def_property_ui_text(prop, "Autoscale", "Automatically scale footage to cover unfilled areas when stabilizating");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* max scale */
    prop= RNA_def_property(srna, "scale_max", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "maxscale");
    RNA_def_property_range(prop, 0.0f, 10.0f);
    RNA_def_property_ui_text(prop, "Maximal Scale", "Limit the amount of automatic scaling");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* influence_location */
    prop= RNA_def_property(srna, "influence_location", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "locinf");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Location Influence", "Influence of stabilization algorithm on footage location");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* influence_scale */
    prop= RNA_def_property(srna, "influence_scale", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "scaleinf");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Scale Influence", "Influence of stabilization algorithm on footage scale");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* use_stabilize_rotation */
    prop= RNA_def_property(srna, "use_stabilize_rotation", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_STABILIZE_ROTATION);
    RNA_def_property_ui_text(prop, "Stabilize Rotation", "Stabilize horizon line on the shot");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");

    /* influence_rotation */
    prop= RNA_def_property(srna, "influence_rotation", PROP_FLOAT, PROP_FACTOR);
    RNA_def_property_float_sdna(prop, NULL, "rotinf");
    RNA_def_property_range(prop, 0.0f, 1.0f);
    RNA_def_property_ui_text(prop, "Rotation Influence", "Influence of stabilization algorithm on footage rotation");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, "rna_tracking_flushUpdate");
}

static void rna_def_reconstructedCamera(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieReconstructedCamera", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking reconstructed camera data", "Match-moving reconstructed camera data from tracker");

    /* frame */
    prop= RNA_def_property(srna, "frame", PROP_INT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_int_sdna(prop, NULL, "framenr");
    RNA_def_property_ui_text(prop, "Frame", "Frame number marker is keyframed on");

    /* matrix */
    prop= RNA_def_property(srna, "matrix", PROP_FLOAT, PROP_MATRIX);
    RNA_def_property_float_sdna(prop, NULL, "mat");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);
    RNA_def_property_ui_text(prop, "Matrix", "Worldspace transformation matrix");

    /* average_error */
    prop= RNA_def_property(srna, "average_error", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "error");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Average Error", "Average error of resonctruction");
}

static void rna_def_trackingReconstruction(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    rna_def_reconstructedCamera(brna);

    srna= RNA_def_struct(brna, "MovieTrackingReconstruction", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking reconstruction data", "Match-moving reconstruction data from tracker");

    /* is_valid */
    prop= RNA_def_property(srna, "is_valid", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_RECONSTRUCTED);
    RNA_def_property_ui_text(prop, "Reconstructed", "Is tracking data contains valid reconstruction information");

    /* average_error */
    prop= RNA_def_property(srna, "average_error", PROP_FLOAT, PROP_NONE);
    RNA_def_property_float_sdna(prop, NULL, "error");
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_ui_text(prop, "Average Error", "Average error of resonctruction");

    /* cameras */
    prop= RNA_def_property(srna, "cameras", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieReconstructedCamera");
    RNA_def_property_collection_sdna(prop, NULL, "cameras", "camnr");
    RNA_def_property_ui_text(prop, "Cameras", "Collection of solved cameras");
}

static void rna_def_trackingTracks(BlenderRNA *brna)
{
    StructRNA *srna;
    FunctionRNA *func;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieTrackingTracks", NULL);
    RNA_def_struct_sdna(srna, "MovieTracking");
    RNA_def_struct_ui_text(srna, "Movie Tracks", "Collection of movie tracking tracks");

    func= RNA_def_function(srna, "add", "rna_trackingTracks_add");
    RNA_def_function_flag(func, FUNC_USE_SELF_ID);
    RNA_def_function_ui_description(func, "Add a number of tracks to this movie clip");
    RNA_def_int(func, "frame", 1, MINFRAME, MAXFRAME, "Frame", "Frame number to add tracks on", MINFRAME, MAXFRAME);
    RNA_def_int(func, "count", 1, 0, INT_MAX, "Number", "Number of tracks to add to the movie clip", 0, INT_MAX);

    /* active track */
    prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingTrack");
    RNA_def_property_pointer_funcs(prop, "rna_tracking_active_track_get", "rna_tracking_active_track_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_NEVER_UNLINK);
    RNA_def_property_ui_text(prop, "Active Track", "Active track in this tracking data object");
}

static void rna_def_trackingObjectTracks(BlenderRNA *brna)
{
    StructRNA *srna;
    FunctionRNA *func;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieTrackingObjectTracks", NULL);
    RNA_def_struct_sdna(srna, "MovieTrackingObject");
    RNA_def_struct_ui_text(srna, "Movie Tracks", "Collection of movie tracking tracks");

    func= RNA_def_function(srna, "add", "rna_trackingObject_tracks_add");
    RNA_def_function_flag(func, FUNC_USE_SELF_ID);
    RNA_def_function_ui_description(func, "Add a number of tracks to this movie clip");
    RNA_def_int(func, "frame", 1, MINFRAME, MAXFRAME, "Frame", "Frame number to add tracks on", MINFRAME, MAXFRAME);
    RNA_def_int(func, "count", 1, 0, INT_MAX, "Number", "Number of tracks to add to the movie clip", 0, INT_MAX);

    /* active track */
    prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingTrack");
    RNA_def_property_pointer_funcs(prop, "rna_tracking_active_track_get", "rna_tracking_active_track_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_NEVER_UNLINK);
    RNA_def_property_ui_text(prop, "Active Track", "Active track in this tracking data object");
}

static void rna_def_trackingObject(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    srna= RNA_def_struct(brna, "MovieTrackingObject", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking object data", "Match-moving object tracking and reconstruction data");

    /* name */
    prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
    RNA_def_property_ui_text(prop, "Name", "Unique name of object");
    RNA_def_property_string_funcs(prop, NULL, NULL, "rna_trackingObject_name_set");
    RNA_def_property_string_maxlength(prop, MAX_ID_NAME-2);
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, NULL);
    RNA_def_struct_name_property(srna, prop);

    /* is_camera */
    prop= RNA_def_property(srna, "is_camera", PROP_BOOLEAN, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    RNA_def_property_boolean_sdna(prop, NULL, "flag", TRACKING_OBJECT_CAMERA);
    RNA_def_property_ui_text(prop, "Camera", "Object is used for camera tracking");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);

    /* tracks */
    prop= RNA_def_property(srna, "tracks", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_funcs(prop, "rna_trackingObject_tracks_begin", "rna_iterator_listbase_next", "rna_iterator_listbase_end", "rna_iterator_listbase_get", 0, 0, 0, 0);
    RNA_def_property_struct_type(prop, "MovieTrackingTrack");
    RNA_def_property_ui_text(prop, "Tracks", "Collection of tracks in this tracking data object");
    RNA_def_property_srna(prop, "MovieTrackingObjectTracks");

    /* reconstruction */
    prop= RNA_def_property(srna, "reconstruction", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingReconstruction");

    /* scale */
    prop= RNA_def_property(srna, "scale", PROP_FLOAT, PROP_NONE);
    RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
    RNA_def_property_float_sdna(prop, NULL, "scale");
    RNA_def_property_range(prop, 0.0001f, 10000.0f);
    RNA_def_property_ui_range(prop, 0.0001f, 10000.0, 1, 4);
    RNA_def_property_ui_text(prop, "Scale", "Scale of object solution in camera space");
    RNA_def_property_update(prop, NC_MOVIECLIP|NA_EDITED, "rna_trackingObject_flushUpdate");
}

static void rna_def_trackingObjects(BlenderRNA *brna, PropertyRNA *cprop)
{
    StructRNA *srna;
    PropertyRNA *prop;

    FunctionRNA *func;
    PropertyRNA *parm;

    RNA_def_property_srna(cprop, "MovieTrackingObjects");
    srna= RNA_def_struct(brna, "MovieTrackingObjects", NULL);
    RNA_def_struct_sdna(srna, "MovieTracking");
    RNA_def_struct_ui_text(srna, "Movie Objects", "Collection of movie trackingobjects");

    func= RNA_def_function(srna, "new", "rna_trackingObject_new");
    RNA_def_function_ui_description(func, "Add tracking object to this movie clip");
    RNA_def_string(func, "name", "", 0, "", "Name of new object");
    parm= RNA_def_pointer(func, "object", "MovieTrackingObject", "", "New motion tracking object");
    RNA_def_function_return(func, parm);

    func= RNA_def_function(srna, "remove", "rna_trackingObject_remove");
    RNA_def_function_ui_description(func, "Remove tracking object from this movie clip");
    parm= RNA_def_pointer(func, "object", "MovieTrackingObject", "", "Motion tracking object to be removed");

    /* active object */
    prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingObject");
    RNA_def_property_pointer_funcs(prop, "rna_tracking_active_object_get", "rna_tracking_active_object_set", NULL, NULL);
    RNA_def_property_flag(prop, PROP_EDITABLE|PROP_NEVER_UNLINK);
    RNA_def_property_ui_text(prop, "Active Object", "Active object in this tracking data object");
}

static void rna_def_tracking(BlenderRNA *brna)
{
    StructRNA *srna;
    PropertyRNA *prop;

    rna_def_trackingSettings(brna);
    rna_def_trackingCamera(brna);
    rna_def_trackingTrack(brna);
    rna_def_trackingTracks(brna);
    rna_def_trackingObjectTracks(brna);
    rna_def_trackingStabilization(brna);
    rna_def_trackingReconstruction(brna);
    rna_def_trackingObject(brna);

    srna= RNA_def_struct(brna, "MovieTracking", NULL);
    RNA_def_struct_ui_text(srna, "Movie tracking data", "Match-moving data for tracking");

    /* settings */
    prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingSettings");

    /* camera properties */
    prop= RNA_def_property(srna, "camera", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingCamera");

    /* tracks */
    prop= RNA_def_property(srna, "tracks", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_funcs(prop, "rna_trackingTracks_begin", "rna_iterator_listbase_next", "rna_iterator_listbase_end", "rna_iterator_listbase_get", 0, 0, 0, 0);
    RNA_def_property_struct_type(prop, "MovieTrackingTrack");
    RNA_def_property_ui_text(prop, "Tracks", "Collection of tracks in this tracking data object");
    RNA_def_property_srna(prop, "MovieTrackingTracks");

    /* stabilization */
    prop= RNA_def_property(srna, "stabilization", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingStabilization");

    /* reconstruction */
    prop= RNA_def_property(srna, "reconstruction", PROP_POINTER, PROP_NONE);
    RNA_def_property_struct_type(prop, "MovieTrackingReconstruction");

    /* objects */
    prop= RNA_def_property(srna, "objects", PROP_COLLECTION, PROP_NONE);
    RNA_def_property_collection_funcs(prop, "rna_trackingObjects_begin", "rna_iterator_listbase_next", "rna_iterator_listbase_end", "rna_iterator_listbase_get", 0, 0, 0, 0);
    RNA_def_property_struct_type(prop, "MovieTrackingObject");
    RNA_def_property_ui_text(prop, "Objects", "Collection of objects in this tracking data object");
    rna_def_trackingObjects(brna, prop);

    /* active object index */
    prop= RNA_def_property(srna, "active_object_index", PROP_INT, PROP_NONE);
    RNA_def_property_int_sdna(prop, NULL, "objectnr");
    RNA_def_property_int_funcs(prop, "rna_tracking_active_object_index_get", "rna_tracking_active_object_index_set", "rna_tracking_active_object_index_range");
    RNA_def_property_ui_text(prop, "Active Object Index", "Index of active object");
    RNA_def_property_update(prop, NC_MOVIECLIP|ND_DISPLAY, NULL);
}

void RNA_def_tracking(BlenderRNA *brna)
{
    rna_def_tracking(brna);
}

#endif