forked from bartvdbraak/blender
df63e8fd93
This gives a huge speedup gain for cases when you've got rather huge markers on a byte images. Done by skipping IMB_float_from_rect()/IMB_rect_from_float() for such cases. We can sample the buffers without color space conversion.
196 lines
8.9 KiB
C
196 lines
8.9 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2011 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Blender Foundation,
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* Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef LIBMV_C_API_H
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#define LIBMV_C_API_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct libmv_Tracks;
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struct libmv_Reconstruction;
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struct libmv_Features;
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struct libmv_CameraIntrinsics;
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/* Logging */
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void libmv_initLogging(const char *argv0);
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void libmv_startDebugLogging(void);
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void libmv_setLoggingVerbosity(int verbosity);
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/* Planar tracker */
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typedef struct libmv_TrackRegionOptions {
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int motion_model;
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int num_iterations;
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int use_brute;
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int use_normalization;
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double minimum_correlation;
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double sigma;
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float *image1_mask;
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} libmv_TrackRegionOptions;
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typedef struct libmv_TrackRegionResult {
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int termination;
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const char *termination_reason;
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double correlation;
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} libmv_TrackRegionResult;
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int libmv_trackRegion(const libmv_TrackRegionOptions *options,
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const float *image1, int image1_width, int image1_height,
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const float *image2, int image2_width, int image2_height,
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const double *x1, const double *y1,
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libmv_TrackRegionResult *result,
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double *x2, double *y2);
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void libmv_samplePlanarPatch(const float *image,
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int width, int height,
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int channels,
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const double *xs, const double *ys,
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int num_samples_x, int num_samples_y,
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const float *mask,
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float *patch,
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double *warped_position_x, double *warped_position_y);
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void libmv_samplePlanarPatchByte(const unsigned char *image,
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int width, int height,
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int channels,
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const double *xs, const double *ys,
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int num_samples_x, int num_samples_y,
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const float *mask,
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unsigned char *patch,
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double *warped_position_x, double *warped_position_y);
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/* Tracks */
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struct libmv_Tracks *libmv_tracksNew(void);
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void libmv_tracksDestroy(struct libmv_Tracks *libmv_tracks);
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void libmv_tracksInsert(struct libmv_Tracks *libmv_tracks, int image, int track, double x, double y, double weight);
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/* Reconstruction */
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#define LIBMV_REFINE_FOCAL_LENGTH (1 << 0)
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#define LIBMV_REFINE_PRINCIPAL_POINT (1 << 1)
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#define LIBMV_REFINE_RADIAL_DISTORTION_K1 (1 << 2)
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#define LIBMV_REFINE_RADIAL_DISTORTION_K2 (1 << 4)
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typedef struct libmv_CameraIntrinsicsOptions {
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double focal_length;
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double principal_point_x, principal_point_y;
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double k1, k2, k3;
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double p1, p2;
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int image_width, image_height;
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} libmv_CameraIntrinsicsOptions;
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typedef struct libmv_ReconstructionOptions {
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int select_keyframes;
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int keyframe1, keyframe2;
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int refine_intrinsics;
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} libmv_ReconstructionOptions;
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typedef void (*reconstruct_progress_update_cb) (void *customdata, double progress, const char *message);
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struct libmv_Reconstruction *libmv_solveReconstruction(const struct libmv_Tracks *libmv_tracks,
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const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options,
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libmv_ReconstructionOptions *libmv_reconstruction_options,
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reconstruct_progress_update_cb progress_update_callback,
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void *callback_customdata);
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struct libmv_Reconstruction *libmv_solveModal(const struct libmv_Tracks *libmv_tracks,
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const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options,
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const libmv_ReconstructionOptions *libmv_reconstruction_options,
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reconstruct_progress_update_cb progress_update_callback,
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void *callback_customdata);
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void libmv_reconstructionDestroy(struct libmv_Reconstruction *libmv_reconstruction);
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int libmv_reprojectionPointForTrack(const struct libmv_Reconstruction *libmv_reconstruction, int track, double pos[3]);
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double libmv_reprojectionErrorForTrack(const struct libmv_Reconstruction *libmv_reconstruction, int track);
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double libmv_reprojectionErrorForImage(const struct libmv_Reconstruction *libmv_reconstruction, int image);
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int libmv_reprojectionCameraForImage(const struct libmv_Reconstruction *libmv_reconstruction,
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int image, double mat[4][4]);
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double libmv_reprojectionError(const struct libmv_Reconstruction *libmv_reconstruction);
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struct libmv_CameraIntrinsics *libmv_reconstructionExtractIntrinsics(struct libmv_Reconstruction *libmv_Reconstruction);
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/* Feature detector */
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enum {
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LIBMV_DETECTOR_FAST,
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LIBMV_DETECTOR_MORAVEC,
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LIBMV_DETECTOR_HARRIS,
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};
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typedef struct libmv_DetectOptions {
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int detector;
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int margin;
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int min_distance;
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int fast_min_trackness;
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int moravec_max_count;
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unsigned char *moravec_pattern;
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double harris_threshold;
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} libmv_DetectOptions;
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struct libmv_Features *libmv_detectFeaturesByte(const unsigned char *image_buffer,
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int width, int height, int channels,
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libmv_DetectOptions *options);
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struct libmv_Features *libmv_detectFeaturesFloat(const float *image_buffer,
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int width, int height, int channels,
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libmv_DetectOptions *options);
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void libmv_featuresDestroy(struct libmv_Features *libmv_features);
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int libmv_countFeatures(const struct libmv_Features *libmv_features);
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void libmv_getFeature(const struct libmv_Features *libmv_features, int number, double *x, double *y, double *score,
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double *size);
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/* Camera intrinsics */
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struct libmv_CameraIntrinsics *libmv_cameraIntrinsicsNewEmpty(void);
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struct libmv_CameraIntrinsics *libmv_cameraIntrinsicsNew(
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const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options);
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struct libmv_CameraIntrinsics *libmv_cameraIntrinsicsCopy(const struct libmv_CameraIntrinsics *libmv_intrinsics);
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void libmv_cameraIntrinsicsDestroy(struct libmv_CameraIntrinsics *libmv_intrinsics);
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void libmv_cameraIntrinsicsUpdate(const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options,
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struct libmv_CameraIntrinsics *libmv_intrinsics);
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void libmv_cameraIntrinsicsSetThreads(struct libmv_CameraIntrinsics *libmv_intrinsics, int threads);
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void libmv_cameraIntrinsicsExtract(const struct libmv_CameraIntrinsics *libmv_intrinsics, double *focal_length,
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double *principal_x, double *principal_y, double *k1, double *k2, double *k3,
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int *width, int *height);
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void libmv_cameraIntrinsicsUndistortByte(const struct libmv_CameraIntrinsics *libmv_intrinsics,
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unsigned char *src, unsigned char *dst, int width, int height,
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float overscan, int channels);
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void libmv_cameraIntrinsicsUndistortFloat(const struct libmv_CameraIntrinsics *libmv_intrinsics,
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float *src, float *dst, int width, int height,
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float overscan, int channels);
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void libmv_cameraIntrinsicsDistortByte(const struct libmv_CameraIntrinsics *libmv_intrinsics,
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unsigned char *src, unsigned char *dst, int width, int height,
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float overscan, int channels);
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void libmv_cameraIntrinsicsDistortFloat(const struct libmv_CameraIntrinsics *libmv_intrinsics,
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float *src, float *dst, int width, int height,
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float overscan, int channels);
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void libmv_cameraIntrinsicsApply(const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options,
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double x, double y, double *x1, double *y1);
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void libmv_cameraIntrinsicsInvert(const libmv_CameraIntrinsicsOptions *libmv_camera_intrinsics_options,
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double x, double y, double *x1, double *y1);
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void libmv_homography2DFromCorrespondencesEuc(double (*x1)[2], double (*x2)[2], int num_points, double H[3][3]);
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#ifdef __cplusplus
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}
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#endif
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#endif // LIBMV_C_API_H
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