Blender  V3.3
Functions
tracking_region_tracker.c File Reference
#include "MEM_guardedalloc.h"
#include "DNA_defaults.h"
#include "DNA_movieclip_types.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "libmv-capi.h"
#include "tracking_private.h"

Go to the source code of this file.

Functions

static void float_rgba_to_gray (const float *rgba, float *gray, int num_pixels, float weight_red, float weight_green, float weight_blue)
 
static void uint8_rgba_to_float_gray (const unsigned char *rgba, float *gray, int num_pixels, float weight_red, float weight_green, float weight_blue)
 
static floattrack_get_search_floatbuf (ImBuf *ibuf, MovieTrackingTrack *track, MovieTrackingMarker *marker, int *r_width, int *r_height)
 
static ImBuftracking_context_get_frame_ibuf (MovieClip *clip, MovieClipUser *user, int clip_flag, int framenr)
 
static ImBuftracking_context_get_keyframed_ibuf (MovieClip *clip, MovieClipUser *user, int clip_flag, MovieTrackingTrack *track, int curfra, bool backwards, MovieTrackingMarker **r_marker_keyed)
 
static ImBuftracking_context_get_reference_ibuf (MovieClip *clip, MovieClipUser *user, int clip_flag, MovieTrackingTrack *track, int curfra, bool backwards, MovieTrackingMarker **reference_marker)
 
void tracking_configure_tracker (const MovieTrackingTrack *track, float *mask, const bool is_backwards, libmv_TrackRegionOptions *options)
 
static bool configure_and_run_tracker (ImBuf *destination_ibuf, MovieTrackingTrack *track, MovieTrackingMarker *reference_marker, MovieTrackingMarker *marker, float *reference_search_area, int reference_search_area_width, int reference_search_area_height, float *mask, const bool is_backward, double dst_pixel_x[5], double dst_pixel_y[5])
 
static bool refine_marker_reference_frame_get (MovieTrackingTrack *track, MovieTrackingMarker *marker, bool backwards, int *reference_framenr)
 
void BKE_tracking_refine_marker (MovieClip *clip, MovieTrackingTrack *track, MovieTrackingMarker *marker, bool backwards)
 

Detailed Description

This file contains implementation of blender-side region tracker which is used for 2D feature tracking.

Definition in file tracking_region_tracker.c.

Function Documentation

◆ BKE_tracking_refine_marker()

void BKE_tracking_refine_marker ( struct MovieClip clip,
struct MovieTrackingTrack track,
struct MovieTrackingMarker marker,
bool  backwards 
)

◆ configure_and_run_tracker()

static bool configure_and_run_tracker ( ImBuf destination_ibuf,
MovieTrackingTrack track,
MovieTrackingMarker reference_marker,
MovieTrackingMarker marker,
float reference_search_area,
int  reference_search_area_width,
int  reference_search_area_height,
float mask,
const bool  is_backward,
double  dst_pixel_x[5],
double  dst_pixel_y[5] 
)
static

◆ float_rgba_to_gray()

static void float_rgba_to_gray ( const float rgba,
float gray,
int  num_pixels,
float  weight_red,
float  weight_green,
float  weight_blue 
)
static

Convert from float and byte RGBA to gray-scale. Supports different coefficients for RGB.

Definition at line 31 of file tracking_region_tracker.c.

References num_pixels, and usdtokens::rgba().

Referenced by track_get_search_floatbuf().

◆ refine_marker_reference_frame_get()

static bool refine_marker_reference_frame_get ( MovieTrackingTrack track,
MovieTrackingMarker marker,
bool  backwards,
int *  reference_framenr 
)
static

◆ track_get_search_floatbuf()

static float* track_get_search_floatbuf ( ImBuf ibuf,
MovieTrackingTrack track,
MovieTrackingMarker marker,
int *  r_width,
int *  r_height 
)
static

◆ tracking_configure_tracker()

void tracking_configure_tracker ( const MovieTrackingTrack track,
float mask,
bool  is_backwards,
struct libmv_TrackRegionOptions options 
)

◆ tracking_context_get_frame_ibuf()

static ImBuf* tracking_context_get_frame_ibuf ( MovieClip clip,
MovieClipUser user,
int  clip_flag,
int  framenr 
)
static

◆ tracking_context_get_keyframed_ibuf()

static ImBuf* tracking_context_get_keyframed_ibuf ( MovieClip clip,
MovieClipUser user,
int  clip_flag,
MovieTrackingTrack track,
int  curfra,
bool  backwards,
MovieTrackingMarker **  r_marker_keyed 
)
static

◆ tracking_context_get_reference_ibuf()

static ImBuf* tracking_context_get_reference_ibuf ( MovieClip clip,
MovieClipUser user,
int  clip_flag,
MovieTrackingTrack track,
int  curfra,
bool  backwards,
MovieTrackingMarker **  reference_marker 
)
static

◆ uint8_rgba_to_float_gray()

static void uint8_rgba_to_float_gray ( const unsigned char *  rgba,
float gray,
int  num_pixels,
float  weight_red,
float  weight_green,
float  weight_blue 
)
static

Definition at line 45 of file tracking_region_tracker.c.

References num_pixels, and usdtokens::rgba().

Referenced by track_get_search_floatbuf().