diff options
Diffstat (limited to 'source/blender/blenkernel/intern/tracking_util.c')
| -rw-r--r-- | source/blender/blenkernel/intern/tracking_util.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/tracking_util.c b/source/blender/blenkernel/intern/tracking_util.c index 4b3c354dd12..4ebe8494101 100644 --- a/source/blender/blenkernel/intern/tracking_util.c +++ b/source/blender/blenkernel/intern/tracking_util.c @@ -51,6 +51,8 @@ #include "tracking_private.h" +#include "libmv-capi.h" + /*********************** Tracks map *************************/ TracksMap *tracks_map_new(const char *object_name, bool is_camera, int num_tracks, int customdata_size) @@ -386,3 +388,68 @@ void tracking_marker_insert_disabled(MovieTrackingTrack *track, const MovieTrack if (overwrite || !BKE_tracking_track_has_marker_at_frame(track, marker_new.framenr)) BKE_tracking_marker_insert(track, &marker_new); } + + +/* Fill in Libmv C-API camera intrinsics options from tracking structure. + */ +void tracking_cameraIntrinscisOptionsFromTracking(MovieTracking *tracking, + int calibration_width, int calibration_height, + libmv_CameraIntrinsicsOptions *camera_intrinsics_options) +{ + MovieTrackingCamera *camera = &tracking->camera; + float aspy = 1.0f / tracking->camera.pixel_aspect; + + camera_intrinsics_options->focal_length = camera->focal; + + camera_intrinsics_options->principal_point_x = camera->principal[0]; + camera_intrinsics_options->principal_point_y = camera->principal[1] * aspy; + + switch (camera->distortion_model) { + case TRACKING_DISTORTION_MODEL_POLYNOMIAL: + camera_intrinsics_options->distortion_model = LIBMV_DISTORTION_MODEL_POLYNOMIAL; + camera_intrinsics_options->polynomial_k1 = camera->k1; + camera_intrinsics_options->polynomial_k2 = camera->k2; + camera_intrinsics_options->polynomial_k3 = camera->k3; + camera_intrinsics_options->polynomial_p1 = 0.0; + camera_intrinsics_options->polynomial_p2 = 0.0; + break; + case TRACKING_DISTORTION_MODEL_DIVISION: + camera_intrinsics_options->distortion_model = LIBMV_DISTORTION_MODEL_DIVISION; + camera_intrinsics_options->division_k1 = camera->division_k1; + camera_intrinsics_options->division_k2 = camera->division_k2; + break; + default: + BLI_assert(!"Unknown distortion model"); + } + + camera_intrinsics_options->image_width = calibration_width; + camera_intrinsics_options->image_height = (int) (calibration_height * aspy); +} + +void tracking_trackingCameraFromIntrinscisOptions(MovieTracking *tracking, + const libmv_CameraIntrinsicsOptions *camera_intrinsics_options) +{ + float aspy = 1.0f / tracking->camera.pixel_aspect; + MovieTrackingCamera *camera = &tracking->camera; + + camera->focal = camera_intrinsics_options->focal_length; + + camera->principal[0] = camera_intrinsics_options->principal_point_x; + camera->principal[1] = camera_intrinsics_options->principal_point_y / (double) aspy; + + switch (camera_intrinsics_options->distortion_model) { + case LIBMV_DISTORTION_MODEL_POLYNOMIAL: + camera->distortion_model = TRACKING_DISTORTION_MODEL_POLYNOMIAL; + camera->k1 = camera_intrinsics_options->polynomial_k1; + camera->k2 = camera_intrinsics_options->polynomial_k2; + camera->k3 = camera_intrinsics_options->polynomial_k3; + break; + case LIBMV_DISTORTION_MODEL_DIVISION: + camera->distortion_model = TRACKING_DISTORTION_MODEL_DIVISION; + camera->division_k1 = camera_intrinsics_options->division_k1; + camera->division_k2 = camera_intrinsics_options->division_k2; + break; + default: + BLI_assert(!"Unknown distortion model"); + } +} |