diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/blenkernel/BKE_tracking.h | 2 | ||||
| -rw-r--r-- | source/blender/blenkernel/intern/tracking.c | 86 | ||||
| -rw-r--r-- | source/blender/editors/space_clip/tracking_ops.c | 24 | ||||
| -rw-r--r-- | source/blender/makesdna/DNA_tracking_types.h | 11 | ||||
| -rw-r--r-- | source/blender/makesrna/intern/rna_tracking.c | 24 |
5 files changed, 126 insertions, 21 deletions
diff --git a/source/blender/blenkernel/BKE_tracking.h b/source/blender/blenkernel/BKE_tracking.h index a8fb2c836de..af852d49d82 100644 --- a/source/blender/blenkernel/BKE_tracking.h +++ b/source/blender/blenkernel/BKE_tracking.h @@ -91,6 +91,8 @@ void BKE_tracking_sync_user(struct MovieClipUser *user, struct MovieTrackingCont int BKE_tracking_next(struct MovieTrackingContext *context); /* Camera solving */ +int BKE_tracking_can_solve(struct MovieTracking *tracking, char *error_msg, int error_size); + float BKE_tracking_solve_reconstruction(struct MovieTracking *tracking, int width, int height); struct MovieReconstructedCamera *BKE_tracking_get_reconstructed_camera(struct MovieTracking *tracking, int framenr); diff --git a/source/blender/blenkernel/intern/tracking.c b/source/blender/blenkernel/intern/tracking.c index d65840720cd..4989e8f1b55 100644 --- a/source/blender/blenkernel/intern/tracking.c +++ b/source/blender/blenkernel/intern/tracking.c @@ -47,6 +47,7 @@ #include "BLI_listbase.h" #include "BLI_ghash.h" #include "BLI_path_util.h" +#include "BLI_string.h" #include "BKE_global.h" #include "BKE_tracking.h" @@ -1260,7 +1261,28 @@ static struct libmv_Tracks *create_libmv_tracks(MovieTracking *tracking, int wid return tracks; } -static int retrieve_libmv_reconstruct(MovieTracking *tracking, struct libmv_Reconstruction *libmv_reconstruction) +static void retrieve_libmv_reconstruct_intrinscis(MovieTracking *tracking, struct libmv_Reconstruction *libmv_reconstruction) +{ + struct libmv_CameraIntrinsics *libmv_intrinsics = libmv_ReconstructionExtractIntrinsics(libmv_reconstruction); + + float aspy= 1.0f/tracking->camera.pixel_aspect; + + double focal_length, principal_x, principal_y, k1, k2, k3; + int width, height; + + libmv_CameraIntrinsicsExtract(libmv_intrinsics, &focal_length, &principal_x, &principal_y, + &k1, &k2, &k3, &width, &height); + + tracking->camera.focal= focal_length; + tracking->camera.principal[0]= principal_x; + + /* todo: verify divide by aspy is correct */ + tracking->camera.principal[1]= principal_y / aspy; + tracking->camera.k1= k1; + tracking->camera.k2= k2; +} + +static int retrieve_libmv_reconstruct_tracks(MovieTracking *tracking, struct libmv_Reconstruction *libmv_reconstruction) { int tracknr= 0; int sfra= INT_MAX, efra= INT_MIN, a, origin_set= 0; @@ -1373,7 +1395,68 @@ static int retrieve_libmv_reconstruct(MovieTracking *tracking, struct libmv_Reco return ok; } +static int retrieve_libmv_reconstruct(MovieTracking *tracking, struct libmv_Reconstruction *libmv_reconstruction) +{ + /* take the intrinscis back from libmv */ + retrieve_libmv_reconstruct_intrinscis(tracking, libmv_reconstruction); + + return retrieve_libmv_reconstruct_tracks(tracking, libmv_reconstruction); +} + +static int get_refine_intrinsics_flags(MovieTracking *tracking) +{ + int refine= tracking->settings.refine_camera_intrinsics; + int flags= 0; + + if(refine&REFINE_FOCAL_LENGTH) + flags|= LIBMV_REFINE_FOCAL_LENGTH; + + if(refine&REFINE_PRINCIPAL_POINT) + flags|= LIBMV_REFINE_PRINCIPAL_POINT; + + if(refine&REFINE_RADIAL_DISTORTION_K1) + flags|= REFINE_RADIAL_DISTORTION_K1; + + if(refine&REFINE_RADIAL_DISTORTION_K2) + flags|= REFINE_RADIAL_DISTORTION_K2; + + return flags; +} + +static int count_tracks_on_both_keyframes(MovieTracking *tracking) +{ + int tot= 0; + int frame1= tracking->settings.keyframe1, frame2= tracking->settings.keyframe2; + MovieTrackingTrack *track; + + track= tracking->tracks.first; + while(track) { + if(BKE_tracking_has_marker(track, frame1)) + if(BKE_tracking_has_marker(track, frame2)) + tot++; + + track= track->next; + } + + return tot; +} +#endif + +int BKE_tracking_can_solve(MovieTracking *tracking, char *error_msg, int error_size) +{ +#if WITH_LIBMV + if(count_tracks_on_both_keyframes(tracking)<8) { + BLI_strncpy(error_msg, "At least 8 tracks on both of keyframes are needed for reconstruction", error_size); + return 0; + } + + return 1; +#else + BLI_strncpy(error_msg, "Blender is compiled without motion tracking library", error_size); + + return 0; #endif +} float BKE_tracking_solve_reconstruction(MovieTracking *tracking, int width, int height) { @@ -1384,6 +1467,7 @@ float BKE_tracking_solve_reconstruction(MovieTracking *tracking, int width, int struct libmv_Tracks *tracks= create_libmv_tracks(tracking, width, height*aspy); struct libmv_Reconstruction *reconstruction = libmv_solveReconstruction(tracks, tracking->settings.keyframe1, tracking->settings.keyframe2, + get_refine_intrinsics_flags(tracking), camera->focal, camera->principal[0], camera->principal[1]*aspy, camera->k1, camera->k2, camera->k3); diff --git a/source/blender/editors/space_clip/tracking_ops.c b/source/blender/editors/space_clip/tracking_ops.c index e9006f5b1e9..1b08a9aee4c 100644 --- a/source/blender/editors/space_clip/tracking_ops.c +++ b/source/blender/editors/space_clip/tracking_ops.c @@ -1504,24 +1504,6 @@ void CLIP_OT_track_markers(wmOperatorType *ot) /********************** solve camera operator *********************/ -static int check_solve_track_count(MovieTracking *tracking) -{ - int tot= 0; - int frame1= tracking->settings.keyframe1, frame2= tracking->settings.keyframe2; - MovieTrackingTrack *track; - - track= tracking->tracks.first; - while(track) { - if(BKE_tracking_has_marker(track, frame1)) - if(BKE_tracking_has_marker(track, frame2)) - tot++; - - track= track->next; - } - - return tot>=8; -} - static int solve_camera_exec(bContext *C, wmOperator *op) { SpaceClip *sc= CTX_wm_space_clip(C); @@ -1530,9 +1512,11 @@ static int solve_camera_exec(bContext *C, wmOperator *op) MovieTracking *tracking= &clip->tracking; int width, height; float error; + char error_msg[255]; + + if(!BKE_tracking_can_solve(tracking, error_msg, sizeof(error_msg))) { + BKE_report(op->reports, RPT_ERROR, error_msg); - if(!check_solve_track_count(tracking)) { - BKE_report(op->reports, RPT_ERROR, "At least 8 tracks on both of keyframes are needed for reconstruction"); return OPERATOR_CANCELLED; } diff --git a/source/blender/makesdna/DNA_tracking_types.h b/source/blender/makesdna/DNA_tracking_types.h index b359ea3544d..e1aff048626 100644 --- a/source/blender/makesdna/DNA_tracking_types.h +++ b/source/blender/makesdna/DNA_tracking_types.h @@ -123,6 +123,11 @@ typedef struct MovieTrackingSettings { /* ** reconstruction settings ** */ int keyframe1, keyframe2; /* two keyframes for reconstrution initialization */ + /* ** which camera intrinsics to refine. uses on the REFINE_* flags */ + short refine_camera_intrinsics; + + char pad2[6]; + /* ** tool settings ** */ /* set scale */ @@ -203,6 +208,12 @@ enum { #define TRACKING_SPEED_QUARTER 4 #define TRACKING_SPEED_DOUBLE 5 +/* MovieTrackingSettings->refine_camera_intrinsics */ +#define REFINE_FOCAL_LENGTH (1<<0) +#define REFINE_PRINCIPAL_POINT (1<<1) +#define REFINE_RADIAL_DISTORTION_K1 (1<<2) +#define REFINE_RADIAL_DISTORTION_K2 (1<<4) + /* MovieTrackingStrabilization->flag */ #define TRACKING_2D_STABILIZATION (1<<0) #define TRACKING_AUTOSCALE (1<<1) diff --git a/source/blender/makesrna/intern/rna_tracking.c b/source/blender/makesrna/intern/rna_tracking.c index 2c6384c75d8..3e783d06dc4 100644 --- a/source/blender/makesrna/intern/rna_tracking.c +++ b/source/blender/makesrna/intern/rna_tracking.c @@ -229,6 +229,23 @@ static void rna_def_trackingSettings(BlenderRNA *brna) {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_PRINCIPAL_POINT, "FOCAL_LENGTH_PRINCIPAL_POINT", 0, "Focal Length, Principal Point", "Refine focal length and principal point"}, + {REFINE_FOCAL_LENGTH| + REFINE_PRINCIPAL_POINT| + REFINE_RADIAL_DISTORTION_K1| + REFINE_RADIAL_DISTORTION_K2, + "FOCAL_LENGTH_PRINCIPAL_POINT_RADIAL_K1_K2", 0, "Focal Length, Principal Point, K1, K2", "Refine focal length, principal point and radial distortion K1 and K2"}, + {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_RADIAL_DISTORTION_K1, "FOCAL_LENGTH_RADIAL_K1", 0, "Focal length, K1", "Refine focal length and radial distortion K1"}, + {0, NULL, 0, NULL, NULL} + }; + srna= RNA_def_struct(brna, "MovieTrackingSettings", NULL); RNA_def_struct_ui_text(srna, "Movie tracking settings", "Match moving settings"); @@ -271,6 +288,13 @@ static void rna_def_trackingSettings(BlenderRNA *brna) 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 */ |