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2D stabilization: by default init anchor_frame to frame 1 

It is common in blender to use 1-based counting for
frame sequences (while 0-based is allowed). Thus
initializing to use frame 1 as reference for stabilization
is likely to produce smooth start values in most cases
This commit is contained in:
Hermann Voßeler 2016-08-22 17:29:19 +02:00 committed by Sergey Sharybin
parent fd65a64930
commit 498ba756ab
2 changed files with 4 additions and 1 deletions
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2
source/blender/blenkernel/intern/tracking.c
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@ -330,7 +330,7 @@ void BKE_tracking_settings_init(MovieTracking *tracking)
tracking->settings.object_distance = 1;
tracking->stabilization.scaleinf = 1.0f;
tracking->stabilization.anchor_frame = MINFRAME;
tracking->stabilization.anchor_frame = 1;
zero_v2(tracking->stabilization.target_pos);
tracking->stabilization.target_rot = 0.0f;
tracking->stabilization.scale = 1.0f;

3
source/blender/blenloader/intern/versioning_270.c
View File

@ -1373,6 +1373,9 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *main)
* now used always (as "target scale") */
clip->tracking.stabilization.scale = 1.0f;
}
/* blender prefers 1-based frame counting;
* thus using frame 1 as reference typically works best */
clip->tracking.stabilization.anchor_frame = 1;
/* by default show the track lists expanded, to improve "discoverability" */
clip->tracking.stabilization.flag |= TRACKING_SHOW_STAB_TRACKS;
/* deprecated, not used anymore */