diff options
author | Sergey Sharybin <sergey.vfx@gmail.com> | 2012-11-07 15:18:42 +0400 |
---|---|---|
committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2012-11-07 15:18:42 +0400 |
commit | 1c450d71efc1f86419ff74041efc0630d4f1ce09 (patch) | |
tree | 079e00aed6c82d9a423a4c094a3903c4abd23b73 /source/blender/blenkernel | |
parent | 552c0e74f4027e0d11475ff395b5b2ce2dd0c9c0 (diff) |
Fixed crashes when motion tracks are zero-sized
This is probably versioning issue happened when both trunk and tomato
were mixed to work on the same file.
Anyway, there're few files here locally and it's probably other users
do have the same files, so lets keep things safe here :)
Diffstat (limited to 'source/blender/blenkernel')
-rw-r--r-- | source/blender/blenkernel/intern/movieclip.c | 11 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/tracking.c | 26 |
2 files changed, 30 insertions, 7 deletions
diff --git a/source/blender/blenkernel/intern/movieclip.c b/source/blender/blenkernel/intern/movieclip.c index 6e8f2697ee1..4156b5b4367 100644 --- a/source/blender/blenkernel/intern/movieclip.c +++ b/source/blender/blenkernel/intern/movieclip.c @@ -1176,13 +1176,16 @@ void BKE_movieclip_update_scopes(MovieClip *clip, MovieClipUser *user, MovieClip search_ibuf = BKE_tracking_get_search_imbuf(ibuf, track, &undist_marker, TRUE, TRUE); - if (!search_ibuf->rect_float) { - /* sampling happens in float buffer */ - IMB_float_from_rect(search_ibuf); + if (search_ibuf) { + if (!search_ibuf->rect_float) { + /* sampling happens in float buffer */ + IMB_float_from_rect(search_ibuf); + } + + scopes->track_search = search_ibuf; } scopes->undist_marker = undist_marker; - scopes->track_search = search_ibuf; scopes->frame_width = ibuf->x; scopes->frame_height = ibuf->y; diff --git a/source/blender/blenkernel/intern/tracking.c b/source/blender/blenkernel/intern/tracking.c index 89446a1856f..b174f27b7e1 100644 --- a/source/blender/blenkernel/intern/tracking.c +++ b/source/blender/blenkernel/intern/tracking.c @@ -1624,6 +1624,9 @@ ImBuf *BKE_tracking_sample_pattern(int frame_width, int frame_height, ImBuf *sea 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, IB_rectfloat); if (!search_ibuf->rect_float) { @@ -1690,10 +1693,15 @@ ImBuf *BKE_tracking_get_pattern_imbuf(ImBuf *ibuf, MovieTrackingTrack *track, Mo search_ibuf = BKE_tracking_get_search_imbuf(ibuf, track, marker, anchored, disable_channels); - pattern_ibuf = BKE_tracking_sample_pattern(ibuf->x, ibuf->y, search_ibuf, track, marker, - FALSE, num_samples_x, num_samples_y, NULL); + if (search_ibuf) { + pattern_ibuf = BKE_tracking_sample_pattern(ibuf->x, ibuf->y, search_ibuf, track, marker, + FALSE, num_samples_x, num_samples_y, NULL); - IMB_freeImBuf(search_ibuf); + IMB_freeImBuf(search_ibuf); + } + else { + pattern_ibuf = NULL; + } return pattern_ibuf; } @@ -1718,6 +1726,9 @@ ImBuf *BKE_tracking_get_search_imbuf(ImBuf *ibuf, MovieTrackingTrack *track, Mov 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); @@ -2187,6 +2198,12 @@ static float *track_get_search_floatbuf(ImBuf *ibuf, MovieTrackingTrack *track, searchibuf = BKE_tracking_get_search_imbuf(ibuf, track, marker, FALSE, TRUE); + if (!searchibuf) { + *width_r = 0; + *height_r = 0; + return NULL; + } + width = searchibuf->x; height = searchibuf->y; @@ -2506,6 +2523,9 @@ int BKE_tracking_context_step(MovieTrackingContext *context) get_marker_coords_for_tracking(frame_width, frame_height, &track_context->marker, src_pixel_x, src_pixel_y); get_marker_coords_for_tracking(frame_width, frame_height, marker, dst_pixel_x, dst_pixel_y); + if (!patch_new || !track_context->search_area) + continue; + /* run the tracker! */ tracked = libmv_trackRegion(&options, track_context->search_area, |