Differential D16573 Diff 57883 source/blender/blenkernel/intern/tracking.c

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source/blender/blenkernel/intern/tracking.c

/* SPDX-License-Identifier: GPL-2.0-or-later		/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. All rights reserved. */		* Copyright 2011 Blender Foundation. All rights reserved. */

/** \file		/** \file
* \ingroup bke		* \ingroup bke
*/		*/

#include <limits.h>		#include <limits.h>
#include <math.h>		#include <math.h>
#include <memory.h>		#include <memory.h>
#include <stddef.h>		#include <stddef.h>

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

#include "DNA_anim_types.h"		#include "DNA_anim_types.h"
#include "DNA_camera_types.h"		#include "DNA_camera_types.h"
		#include "DNA_defaults.h"
#include "DNA_gpencil_types.h"		#include "DNA_gpencil_types.h"
#include "DNA_movieclip_types.h"		#include "DNA_movieclip_types.h"
#include "DNA_object_types.h" /* SELECT */		#include "DNA_object_types.h" /* SELECT */
#include "DNA_scene_types.h"		#include "DNA_scene_types.h"

#include "BLI_bitmap_draw_2d.h"		#include "BLI_bitmap_draw_2d.h"
#include "BLI_ghash.h"		#include "BLI_ghash.h"
#include "BLI_listbase.h"		#include "BLI_listbase.h"
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#include "RNA_prototypes.h"		#include "RNA_prototypes.h"

#include "libmv-capi.h"		#include "libmv-capi.h"
#include "tracking_private.h"		#include "tracking_private.h"

typedef struct MovieDistortion {		typedef struct MovieDistortion {
struct libmv_CameraIntrinsics *intrinsics;		struct libmv_CameraIntrinsics *intrinsics;
/* Parameters needed for coordinates normalization. */		/* Parameters needed for coordinates normalization. */
float principal[2];		float principal_px[2];
float pixel_aspect;		float pixel_aspect;
float focal;		float focal;
} MovieDistortion;		} MovieDistortion;

static struct {		static struct {
ListBase tracks;		ListBase tracks;
} tracking_clipboard;		} tracking_clipboard;

▲ Show 20 Lines • Show All 2,035 Lines • ▼ Show 20 Lines	if ((tracking_object->flag & TRACKING_OBJECT_CAMERA) == 0) {
scale_m4_fl(smat, 1.0f / tracking_object->scale);		scale_m4_fl(smat, 1.0f / tracking_object->scale);
mul_m4_m4m4(mat, mat, smat);		mul_m4_m4m4(mat, mat, smat);
}		}
}		}

void BKE_tracking_camera_shift_get(		void BKE_tracking_camera_shift_get(
MovieTracking tracking, int winx, int winy, float shiftx, float *shifty)		MovieTracking tracking, int winx, int winy, float shiftx, float *shifty)
{		{
		float principal_px[2];
		tracking_principal_point_normalized_to_pixel(
		tracking->camera.principal_point, winx, winy, principal_px);

/* Indeed in both of cases it should be winx -		/* Indeed in both of cases it should be winx -
* it's just how camera shift works for blender's camera. */		* it's just how camera shift works for blender's camera. */
shiftx = (0.5f winx - tracking->camera.principal[0]) / winx;		shiftx = (0.5f winx - principal_px[0]) / winx;
shifty = (0.5f winy - tracking->camera.principal[1]) / winx;		shifty = (0.5f winy - principal_px[1]) / winx;
}		}

void BKE_tracking_camera_to_blender(		void BKE_tracking_camera_to_blender(
MovieTracking tracking, Scene scene, Camera *camera, int width, int height)		MovieTracking tracking, Scene scene, Camera *camera, int width, int height)
{		{
float focal = tracking->camera.focal;		float focal = tracking->camera.focal;

camera->sensor_x = tracking->camera.sensor_width;		camera->sensor_x = tracking->camera.sensor_width;
▲ Show 20 Lines • Show All 44 Lines • ▼ Show 20 Lines	void BKE_tracking_camera_get_reconstructed_interpolate(MovieTracking *UNUSED(tracking),
}		}
else {		else {
copy_m4_m4(mat, cameras[a].mat);		copy_m4_m4(mat, cameras[a].mat);
}		}

reconstructed_camera_scale_set(tracking_object, mat);		reconstructed_camera_scale_set(tracking_object, mat);
}		}

		void BKE_tracking_camera_principal_point_pixel_get(struct MovieClip *clip,
		float r_principal_point_pixel[2])
		{
		const MovieTrackingCamera *camera = &clip->tracking.camera;

		int frame_width, frame_height;
		MovieClipUser user = *DNA_struct_default_get(MovieClipUser);
		BKE_movieclip_get_size(clip, &user, &frame_width, &frame_height);

		tracking_principal_point_normalized_to_pixel(
		camera->principal_point, frame_width, frame_height, r_principal_point_pixel);
		}

		void BKE_tracking_camera_principal_point_pixel_set(struct MovieClip *clip,
		const float principal_point_pixel[2])
		{
		MovieTrackingCamera *camera = &clip->tracking.camera;

		int frame_width, frame_height;
		MovieClipUser user = *DNA_struct_default_get(MovieClipUser);
		BKE_movieclip_get_size(clip, &user, &frame_width, &frame_height);

		tracking_principal_point_pixel_to_normalized(
		principal_point_pixel, frame_width, frame_height, camera->principal_point);
		}

/* --------------------------------------------------------------------		/* --------------------------------------------------------------------
* (Un)distortion.		* (Un)distortion.
*/		*/

MovieDistortion BKE_tracking_distortion_new(MovieTracking tracking,		MovieDistortion BKE_tracking_distortion_new(MovieTracking tracking,
int calibration_width,		int calibration_width,
int calibration_height)		int calibration_height)
{		{
MovieDistortion *distortion;		MovieDistortion *distortion;
libmv_CameraIntrinsicsOptions camera_intrinsics_options;		libmv_CameraIntrinsicsOptions camera_intrinsics_options;

tracking_cameraIntrinscisOptionsFromTracking(		tracking_cameraIntrinscisOptionsFromTracking(
tracking, calibration_width, calibration_height, &camera_intrinsics_options);		tracking, calibration_width, calibration_height, &camera_intrinsics_options);

distortion = MEM_callocN(sizeof(MovieDistortion), "BKE_tracking_distortion_create");		distortion = MEM_callocN(sizeof(MovieDistortion), "BKE_tracking_distortion_create");
distortion->intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);		distortion->intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);

const MovieTrackingCamera *camera = &tracking->camera;		const MovieTrackingCamera *camera = &tracking->camera;
copy_v2_v2(distortion->principal, camera->principal);		tracking_principal_point_normalized_to_pixel(tracking->camera.principal_point,
		calibration_width,
		calibration_height,
		distortion->principal_px);
distortion->pixel_aspect = camera->pixel_aspect;		distortion->pixel_aspect = camera->pixel_aspect;
distortion->focal = camera->focal;		distortion->focal = camera->focal;

return distortion;		return distortion;
}		}

void BKE_tracking_distortion_update(MovieDistortion *distortion,		void BKE_tracking_distortion_update(MovieDistortion *distortion,
MovieTracking *tracking,		MovieTracking *tracking,
int calibration_width,		int calibration_width,
int calibration_height)		int calibration_height)
{		{
libmv_CameraIntrinsicsOptions camera_intrinsics_options;		libmv_CameraIntrinsicsOptions camera_intrinsics_options;

tracking_cameraIntrinscisOptionsFromTracking(		tracking_cameraIntrinscisOptionsFromTracking(
tracking, calibration_width, calibration_height, &camera_intrinsics_options);		tracking, calibration_width, calibration_height, &camera_intrinsics_options);

const MovieTrackingCamera *camera = &tracking->camera;		const MovieTrackingCamera *camera = &tracking->camera;
copy_v2_v2(distortion->principal, camera->principal);		tracking_principal_point_normalized_to_pixel(tracking->camera.principal_point,
		calibration_width,
		calibration_height,
		distortion->principal_px);
distortion->pixel_aspect = camera->pixel_aspect;		distortion->pixel_aspect = camera->pixel_aspect;
distortion->focal = camera->focal;		distortion->focal = camera->focal;

libmv_cameraIntrinsicsUpdate(&camera_intrinsics_options, distortion->intrinsics);		libmv_cameraIntrinsicsUpdate(&camera_intrinsics_options, distortion->intrinsics);
}		}

void BKE_tracking_distortion_set_threads(MovieDistortion *distortion, int threads)		void BKE_tracking_distortion_set_threads(MovieDistortion *distortion, int threads)
{		{
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void BKE_tracking_distortion_distort_v2(MovieDistortion *distortion,		void BKE_tracking_distortion_distort_v2(MovieDistortion *distortion,
const float co[2],		const float co[2],
float r_co[2])		float r_co[2])
{		{
const float aspy = 1.0f / distortion->pixel_aspect;		const float aspy = 1.0f / distortion->pixel_aspect;

/* Normalize coords. */		/* Normalize coords. */
float inv_focal = 1.0f / distortion->focal;		float inv_focal = 1.0f / distortion->focal;
double x = (co[0] - distortion->principal[0]) * inv_focal,		double x = (co[0] - distortion->principal_px[0]) * inv_focal,
y = (co[1] - distortion->principal[1] * aspy) * inv_focal;		y = (co[1] - distortion->principal_px[1] * aspy) * inv_focal;

libmv_cameraIntrinsicsApply(distortion->intrinsics, x, y, &x, &y);		libmv_cameraIntrinsicsApply(distortion->intrinsics, x, y, &x, &y);

/* Result is in image coords already. */		/* Result is in image coords already. */
r_co[0] = x;		r_co[0] = x;
r_co[1] = y;		r_co[1] = y;
}		}

void BKE_tracking_distortion_undistort_v2(MovieDistortion *distortion,		void BKE_tracking_distortion_undistort_v2(MovieDistortion *distortion,
const float co[2],		const float co[2],
float r_co[2])		float r_co[2])
{		{
double x = co[0], y = co[1];		double x = co[0], y = co[1];
libmv_cameraIntrinsicsInvert(distortion->intrinsics, x, y, &x, &y);		libmv_cameraIntrinsicsInvert(distortion->intrinsics, x, y, &x, &y);

const float aspy = 1.0f / distortion->pixel_aspect;		const float aspy = 1.0f / distortion->pixel_aspect;
r_co[0] = (float)x * distortion->focal + distortion->principal[0];		r_co[0] = (float)x * distortion->focal + distortion->principal_px[0];
r_co[1] = (float)y * distortion->focal + distortion->principal[1] * aspy;		r_co[1] = (float)y * distortion->focal + distortion->principal_px[1] * aspy;
}		}

void BKE_tracking_distortion_free(MovieDistortion *distortion)		void BKE_tracking_distortion_free(MovieDistortion *distortion)
{		{
libmv_cameraIntrinsicsDestroy(distortion->intrinsics);		libmv_cameraIntrinsicsDestroy(distortion->intrinsics);

MEM_freeN(distortion);		MEM_freeN(distortion);
}		}

void BKE_tracking_distort_v2(		void BKE_tracking_distort_v2(
MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2])		MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2])
{		{
const MovieTrackingCamera *camera = &tracking->camera;		const MovieTrackingCamera *camera = &tracking->camera;
const float aspy = 1.0f / tracking->camera.pixel_aspect;		const float aspy = 1.0f / tracking->camera.pixel_aspect;

libmv_CameraIntrinsicsOptions camera_intrinsics_options;		libmv_CameraIntrinsicsOptions camera_intrinsics_options;
tracking_cameraIntrinscisOptionsFromTracking(		tracking_cameraIntrinscisOptionsFromTracking(
tracking, image_width, image_height, &camera_intrinsics_options);		tracking, image_width, image_height, &camera_intrinsics_options);
libmv_CameraIntrinsics *intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);		libmv_CameraIntrinsics *intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);

		float principal_px[2];
		tracking_principal_point_normalized_to_pixel(
		tracking->camera.principal_point, image_width, image_height, principal_px);

/* Normalize coordinates. */		/* Normalize coordinates. */
double x = (co[0] - camera->principal[0]) / camera->focal,		double x = (co[0] - principal_px[0]) / camera->focal,
y = (co[1] - camera->principal[1] * aspy) / camera->focal;		y = (co[1] - principal_px[1] * aspy) / camera->focal;

libmv_cameraIntrinsicsApply(intrinsics, x, y, &x, &y);		libmv_cameraIntrinsicsApply(intrinsics, x, y, &x, &y);
libmv_cameraIntrinsicsDestroy(intrinsics);		libmv_cameraIntrinsicsDestroy(intrinsics);

/* Result is in image coords already. */		/* Result is in image coords already. */
r_co[0] = x;		r_co[0] = x;
r_co[1] = y;		r_co[1] = y;
}		}

void BKE_tracking_undistort_v2(		void BKE_tracking_undistort_v2(
MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2])		MovieTracking *tracking, int image_width, int image_height, const float co[2], float r_co[2])
{		{
const MovieTrackingCamera *camera = &tracking->camera;		const MovieTrackingCamera *camera = &tracking->camera;
const float aspy = 1.0f / tracking->camera.pixel_aspect;		const float aspy = 1.0f / tracking->camera.pixel_aspect;

libmv_CameraIntrinsicsOptions camera_intrinsics_options;		libmv_CameraIntrinsicsOptions camera_intrinsics_options;
tracking_cameraIntrinscisOptionsFromTracking(		tracking_cameraIntrinscisOptionsFromTracking(
tracking, image_width, image_height, &camera_intrinsics_options);		tracking, image_width, image_height, &camera_intrinsics_options);
libmv_CameraIntrinsics *intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);		libmv_CameraIntrinsics *intrinsics = libmv_cameraIntrinsicsNew(&camera_intrinsics_options);

double x = co[0], y = co[1];		double x = co[0], y = co[1];
libmv_cameraIntrinsicsInvert(intrinsics, x, y, &x, &y);		libmv_cameraIntrinsicsInvert(intrinsics, x, y, &x, &y);
libmv_cameraIntrinsicsDestroy(intrinsics);		libmv_cameraIntrinsicsDestroy(intrinsics);

r_co[0] = (float)x * camera->focal + camera->principal[0];		float principal_px[2];
r_co[1] = (float)y * camera->focal + camera->principal[1] * aspy;		tracking_principal_point_normalized_to_pixel(
		tracking->camera.principal_point, image_width, image_height, principal_px);

		r_co[0] = (float)x * camera->focal + principal_px[0];
		r_co[1] = (float)y * camera->focal + principal_px[1] * aspy;
}		}

ImBuf BKE_tracking_undistort_frame(MovieTracking tracking,		ImBuf BKE_tracking_undistort_frame(MovieTracking tracking,
ImBuf *ibuf,		ImBuf *ibuf,
int calibration_width,		int calibration_width,
int calibration_height,		int calibration_height,
float overscan)		float overscan)
{		{
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