diff options
Diffstat (limited to 'source/blender/blenkernel/intern/tracking_util.c')
| -rw-r--r-- | source/blender/blenkernel/intern/tracking_util.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/tracking_util.c b/source/blender/blenkernel/intern/tracking_util.c index 1c056cda68d..a95399562d5 100644 --- a/source/blender/blenkernel/intern/tracking_util.c +++ b/source/blender/blenkernel/intern/tracking_util.c @@ -875,8 +875,64 @@ static void accessor_release_image_callback(libmv_CacheKey cache_key) IMB_freeImBuf(ibuf); } +static libmv_CacheKey accessor_get_mask_for_track_callback( + libmv_FrameAccessorUserData* user_data, + int clip_index, + int frame, + int track_index, + const libmv_Region *region, + float **r_destination, + int *r_width, + int *r_height) +{ + /* Perform sanity checks first. */ + TrackingImageAccessor *accessor = (TrackingImageAccessor *) user_data; + BLI_assert(clip_index < accessor->num_clips); + BLI_assert(track_index < accessor->num_tracks); + MovieTrackingTrack *track = accessor->tracks[track_index]; + /* Early output, track does not use mask. */ + if ((track->algorithm_flag & TRACK_ALGORITHM_FLAG_USE_MASK) == 0) { + return NULL; + } + MovieClip *clip = accessor->clips[clip_index]; + /* Construct fake user so we can access movie clip. */ + MovieClipUser user; + int scene_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, frame); + BKE_movieclip_user_set_frame(&user, scene_frame); + user.render_size = MCLIP_PROXY_RENDER_SIZE_FULL; + user.render_flag = 0; + /* Get frame width and height so we can convert stroke coordinates + * and other things from normalized to pixel space. + */ + int frame_width, frame_height; + BKE_movieclip_get_size(clip, &user, &frame_width, &frame_height); + /* Actual mask sampling. */ + MovieTrackingMarker *marker = BKE_tracking_marker_get_exact(track, frame); + const float region_min[2] = {region->min[0] - marker->pos[0] * frame_width, + region->min[1] - marker->pos[1] * frame_height}; + const float region_max[2] = {region->max[0] - marker->pos[0] * frame_width, + region->max[1] - marker->pos[1] * frame_height}; + *r_destination = tracking_track_get_mask_for_region(frame_width, frame_height, + region_min, + region_max, + track); + *r_width = region->max[0] - region->min[0]; + *r_height = region->max[1] - region->min[1]; + return *r_destination; +} + +static void accessor_release_mask_callback(libmv_CacheKey cache_key) +{ + if (cache_key != NULL) { + float *mask = (float *)cache_key; + MEM_freeN(mask); + } +} + TrackingImageAccessor *tracking_image_accessor_new(MovieClip *clips[MAX_ACCESSOR_CLIP], int num_clips, + MovieTrackingTrack **tracks, + int num_tracks, int start_frame) { TrackingImageAccessor *accessor = @@ -891,12 +947,16 @@ TrackingImageAccessor *tracking_image_accessor_new(MovieClip *clips[MAX_ACCESSOR memcpy(accessor->clips, clips, num_clips * sizeof(MovieClip *)); accessor->num_clips = num_clips; + accessor->tracks = tracks; + accessor->num_tracks = num_tracks; accessor->start_frame = start_frame; accessor->libmv_accessor = libmv_FrameAccessorNew((libmv_FrameAccessorUserData *) accessor, accessor_get_image_callback, - accessor_release_image_callback); + accessor_release_image_callback, + accessor_get_mask_for_track_callback, + accessor_release_mask_callback); return accessor; } |