tracking_auto.c File Reference

#include "atomic_ops.h"
#include <stdlib.h>
#include "MEM_guardedalloc.h"
#include "DNA_movieclip_types.h"
#include "DNA_object_types.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_task.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "PIL_time.h"
#include "BKE_global.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "libmv-capi.h"
#include "tracking_private.h"

Go to the source code of this file.

Classes
struct	AutoTrackClip
struct	AutoTrackTrack
struct	AutoTrackMarker
struct	AutoTrackTrackingResult
struct	AutoTrackContext
struct	AutoTrackTLS

Typedefs
typedef struct AutoTrackClip	AutoTrackClip
typedef struct AutoTrackTrack	AutoTrackTrack
typedef struct AutoTrackMarker	AutoTrackMarker
typedef struct AutoTrackTrackingResult	AutoTrackTrackingResult
typedef struct AutoTrackContext	AutoTrackContext

Functions
Marker coordinate system conversion.
static void	normalized_to_libmv_frame (const float normalized[2], const int frame_dimensions[2], float result[2])
static void	normalized_relative_to_libmv_frame (const float normalized[2], const float origin[2], const int frame_dimensions[2], float result[2])
static void	libmv_frame_to_normalized (const float frame_coord[2], const int frame_dimensions[2], float result[2])
static void	libmv_frame_to_normalized_relative (const float frame_coord[2], const float origin[2], const int frame_dimensions[2], float result[2])
Conversion of markers between Blender's DNA and Libmv.
static void	dna_marker_to_libmv_marker (MovieTrackingTrack *track, const MovieTrackingMarker *marker, int clip, int track_index, int frame_width, int frame_height, bool backwards, libmv_Marker *libmv_marker)
static void	libmv_marker_to_dna_marker (libmv_Marker *libmv_marker, int frame_width, int frame_height, MovieTrackingMarker *marker)
General helpers.
TODO(sergey): Should be moved to tracking_util.c
static bool	tracking_check_marker_margin (const libmv_Marker *libmv_marker, int margin, int frame_width, int frame_height)
Autotrack context initialization.
static bool	autotrack_is_marker_usable (const MovieTrackingMarker *marker)
static bool	autotrack_is_track_trackable (const AutoTrackContext *context, const AutoTrackTrack *autotrack_track)
static void	autotrack_context_init_clips (AutoTrackContext *context, MovieClip *clip, MovieClipUser *user)
static void	autotrack_context_init_tracks_for_clip (AutoTrackContext *context, int clip_index)
static void	autotrack_context_init_tracks (AutoTrackContext *context)
static void	autotrack_context_init_image_accessor (AutoTrackContext *context)
static size_t	autotrack_count_all_usable_markers (AutoTrackContext *context)
static int	autotrack_count_trackable_markers (AutoTrackContext *context)
static void	autotrack_context_init_autotrack (AutoTrackContext *context)
static void	autotrack_context_init_markers (AutoTrackContext *context)
AutoTrackContext *	BKE_autotrack_context_new (MovieClip *clip, MovieClipUser *user, const bool is_backwards)
Context data synchronization.
Used to copy tracking result to Blender side, while the tracking is still happening in its thread.
void	BKE_autotrack_context_sync (AutoTrackContext *context)
void	BKE_autotrack_context_sync_user (AutoTrackContext *context, MovieClipUser *user)
Finalization.
void	BKE_autotrack_context_finish (AutoTrackContext *context)
void	BKE_autotrack_context_free (AutoTrackContext *context)

Threaded context step (tracking process).
typedef struct AutoTrackTLS	AutoTrackTLS
static void	autotrack_context_step_cb (void *__restrict userdata, const int marker_index, const TaskParallelTLS *__restrict tls)
static void	autotrack_context_reduce (const void *__restrict UNUSED(userdata), void *__restrict chunk_join, void *__restrict chunk)
bool	BKE_autotrack_context_step (AutoTrackContext *context)

Typedef Documentation

AutoTrackClip

typedef struct AutoTrackClip AutoTrackClip

AutoTrackContext

typedef struct AutoTrackContext AutoTrackContext

AutoTrackMarker

typedef struct AutoTrackMarker AutoTrackMarker

AutoTrackTLS

typedef struct AutoTrackTLS AutoTrackTLS

AutoTrackTrack

typedef struct AutoTrackTrack AutoTrackTrack

AutoTrackTrackingResult

typedef struct AutoTrackTrackingResult AutoTrackTrackingResult

Function Documentation

autotrack_context_init_autotrack()

static void autotrack_context_init_autotrack ( AutoTrackContext *  context )

static

Definition at line 466 of file tracking_auto.c.

References autotrack_count_all_usable_markers(), autotrack_is_marker_usable(), AutoTrackTrack::clip_index, context, dna_marker_to_libmv_marker(), AutoTrackClip::height, libmv_autoTrackNew(), libmv_autoTrackSetMarkers(), MovieTrackingTrack::markers, MovieTrackingTrack::markersnr, MEM_freeN, MEM_malloc_arrayN, AutoTrackTrack::track, and AutoTrackClip::width.

Referenced by BKE_autotrack_context_new().

autotrack_context_init_clips()

static void autotrack_context_init_clips ( AutoTrackContext *  context, MovieClip *  clip, MovieClipUser *  user  )

static

Definition at line 347 of file tracking_auto.c.

References BKE_movieclip_get_size(), and context.

Referenced by BKE_autotrack_context_new().

autotrack_context_init_image_accessor()

static void autotrack_context_init_image_accessor ( AutoTrackContext *  context )

static

Definition at line 407 of file tracking_auto.c.

References BLI_assert, context, MAX_ACCESSOR_CLIP, MEM_freeN, MEM_malloc_arrayN, tracking_image_accessor_new(), and tracks.

Referenced by BKE_autotrack_context_new().

autotrack_context_init_markers()

static void autotrack_context_init_markers ( AutoTrackContext *  context )

static

Definition at line 509 of file tracking_auto.c.

References autotrack_count_trackable_markers(), BKE_movieclip_remap_scene_to_clip_frame(), BKE_tracking_marker_get(), AutoTrackClip::clip, AutoTrackTrack::clip_index, context, dna_marker_to_libmv_marker(), AutoTrackClip::height, AutoTrackTrack::is_trackable, AutoTrackMarker::libmv_marker, MEM_calloc_arrayN, and AutoTrackClip::width.

Referenced by BKE_autotrack_context_new().

autotrack_context_init_tracks()

static void autotrack_context_init_tracks ( AutoTrackContext *  context )

static

Definition at line 397 of file tracking_auto.c.

References autotrack_context_init_tracks_for_clip(), BLI_assert, and context.

Referenced by BKE_autotrack_context_new().

autotrack_context_init_tracks_for_clip()

static void autotrack_context_init_tracks_for_clip ( AutoTrackContext *  context, int  clip_index  )

static

Definition at line 364 of file tracking_auto.c.

References autotrack_is_track_trackable(), BKE_tracking_get_active_tracks(), BLI_assert, BLI_listbase_count(), AutoTrackClip::clip, AutoTrackTrack::clip_index, context, AutoTrackTrack::is_trackable, LISTBASE_FOREACH, MEM_reallocN, NULL, AutoTrackTrack::track, AutoTrackTrack::track_region_options, MovieClip::tracking, and tracking_configure_tracker().

Referenced by autotrack_context_init_tracks().

autotrack_context_reduce()

static void autotrack_context_reduce ( const void *__restrict   UNUSEDuserdata, void *__restrict  chunk_join, void *__restrict  chunk  )

static

Definition at line 646 of file tracking_auto.c.

References BLI_listbase_is_empty(), BLI_movelisttolist(), and AutoTrackTLS::results.

Referenced by BKE_autotrack_context_step().

autotrack_context_step_cb()

static void autotrack_context_step_cb ( void *__restrict  userdata, const int  marker_index, const TaskParallelTLS *__restrict  tls  )

static

Definition at line 582 of file tracking_auto.c.

References BLI_addtail(), BLI_assert, context, libmv_Marker::frame, if(), libmv_autoTrackGetMarker(), libmv_autoTrackMarker(), AutoTrackTrackingResult::libmv_marker, AutoTrackTrackingResult::libmv_result, MEM_mallocN, libmv_Marker::reference_frame, AutoTrackTLS::results, AutoTrackTrackingResult::success, TRACK_MATCH_KEYFRAME, TRACK_MATCH_PREVIOS_FRAME, and tracking_check_marker_margin().

Referenced by BKE_autotrack_context_step().

autotrack_count_all_usable_markers()

static size_t autotrack_count_all_usable_markers ( AutoTrackContext *  context )

static

Definition at line 433 of file tracking_auto.c.

References autotrack_is_marker_usable(), context, MovieTrackingTrack::markers, and MovieTrackingTrack::markersnr.

Referenced by autotrack_context_init_autotrack().

autotrack_count_trackable_markers()

static int autotrack_count_trackable_markers ( AutoTrackContext *  context )

static

Definition at line 449 of file tracking_auto.c.

References context, and AutoTrackTrack::is_trackable.

Referenced by autotrack_context_init_markers().

autotrack_is_marker_usable()

static bool autotrack_is_marker_usable ( const MovieTrackingMarker *  marker )

static

Definition at line 323 of file tracking_auto.c.

References MovieTrackingMarker::flag, and MARKER_DISABLED.

Referenced by autotrack_context_init_autotrack(), autotrack_count_all_usable_markers(), and autotrack_is_track_trackable().

autotrack_is_track_trackable()

static bool autotrack_is_track_trackable ( const AutoTrackContext *  context, const AutoTrackTrack *  autotrack_track  )

static

Definition at line 331 of file tracking_auto.c.

References autotrack_is_marker_usable(), BKE_movieclip_remap_scene_to_clip_frame(), BKE_tracking_marker_get(), AutoTrackClip::clip, AutoTrackTrack::clip_index, context, MovieTrackingTrack::flag, AutoTrackTrack::track, TRACK_HIDDEN, TRACK_LOCKED, and TRACK_SELECTED.

Referenced by autotrack_context_init_tracks_for_clip().

BKE_autotrack_context_finish()

void BKE_autotrack_context_finish

(

AutoTrackContext *

context

)

Definition at line 790 of file tracking_auto.c.

References BKE_movieclip_remap_scene_to_clip_frame(), BKE_tracking_get_active_plane_tracks(), BKE_tracking_plane_track_has_point_track(), BKE_tracking_track_plane_from_existing_motion(), AutoTrackClip::clip, context, AutoTrackTrack::is_trackable, LISTBASE_FOREACH, PLANE_TRACK_AUTOKEY, AutoTrackTrack::track, and MovieClip::tracking.

Referenced by track_markers_endjob().

BKE_autotrack_context_free()

void BKE_autotrack_context_free

(

AutoTrackContext *

context

)

Definition at line 818 of file tracking_auto.c.

References BLI_freelistN(), BLI_spin_end(), context, libmv_autoTrackDestroy(), MEM_freeN, MEM_SAFE_FREE, NULL, and tracking_image_accessor_destroy().

Referenced by track_markers_freejob().

BKE_autotrack_context_new()

AutoTrackContext* BKE_autotrack_context_new	(	MovieClip *	clip,
		MovieClipUser *	user,
		const bool	is_backwards
	)

Definition at line 549 of file tracking_auto.c.

References autotrack_context_init_autotrack(), autotrack_context_init_clips(), autotrack_context_init_image_accessor(), autotrack_context_init_markers(), autotrack_context_init_tracks(), BLI_spin_init(), context, MovieClipUser::framenr, and MEM_callocN.

Referenced by track_markers_initjob().

BKE_autotrack_context_step()

bool BKE_autotrack_context_step

(

AutoTrackContext *

context

)

Definition at line 660 of file tracking_auto.c.

References autotrack_context_reduce(), autotrack_context_step_cb(), BLI_listbase_clear(), BLI_movelisttolist(), BLI_parallel_range_settings_defaults(), BLI_spin_lock(), BLI_spin_unlock(), BLI_task_parallel_range(), context, TaskParallelSettings::func_reduce, libmv_autoTrackAddMarker(), LISTBASE_FOREACH, AutoTrackTLS::results, TaskParallelSettings::use_threading, TaskParallelSettings::userdata_chunk, and TaskParallelSettings::userdata_chunk_size.

Referenced by track_markers_startjob().

BKE_autotrack_context_sync()

void BKE_autotrack_context_sync

(

AutoTrackContext *

context

)

Definition at line 713 of file tracking_auto.c.

References BKE_movieclip_remap_clip_to_scene_frame(), BKE_movieclip_remap_scene_to_clip_frame(), BKE_tracking_dopesheet_tag_update(), BKE_tracking_marker_get_exact(), BKE_tracking_marker_insert(), BLI_assert, BLI_listbase_clear(), BLI_spin_lock(), BLI_spin_unlock(), libmv_Marker::clip, AutoTrackClip::clip, context, MovieTrackingMarker::flag, MovieTrackingMarker::framenr, AutoTrackClip::height, libmv_marker_to_dna_marker(), LISTBASE_FOREACH_MUTABLE, MARKER_DISABLED, max_ii(), MEM_freeN, min_ii(), NULL, libmv_Marker::track, AutoTrackTrack::track, tracking_marker_insert_disabled(), and AutoTrackClip::width.

Referenced by track_markers_endjob(), and track_markers_updatejob().

BKE_autotrack_context_sync_user()

void BKE_autotrack_context_sync_user	(	AutoTrackContext *	context,
		MovieClipUser *	user
	)

Definition at line 779 of file tracking_auto.c.

References context, and MovieClipUser::framenr.

Referenced by clip_main_region_draw().

dna_marker_to_libmv_marker()

static void dna_marker_to_libmv_marker ( MovieTrackingTrack *  track, const MovieTrackingMarker *  marker, int  clip, int  track_index, int  frame_width, int  frame_height, bool  backwards, libmv_Marker *  libmv_marker  )

static

Definition at line 188 of file tracking_auto.c.

References libmv_Marker::center, libmv_Marker::clip, libmv_Marker::disabled_channels, MovieTrackingMarker::flag, MovieTrackingTrack::flag, libmv_Marker::frame, MovieTrackingMarker::framenr, LIBMV_MARKER_CHANNEL_B, LIBMV_MARKER_CHANNEL_G, LIBMV_MARKER_CHANNEL_R, LIBMV_MARKER_MODEL_TYPE_POINT, LIBMV_MARKER_SOURCE_MANUAL, LIBMV_MARKER_SOURCE_TRACKED, LIBMV_MARKER_STATUS_UNKNOWN, MARKER_TRACKED, libmv_Marker::model_id, libmv_Marker::model_type, normalized_relative_to_libmv_frame(), normalized_to_libmv_frame(), libmv_Marker::patch, MovieTrackingMarker::pattern_corners, MovieTrackingTrack::pattern_match, MovieTrackingMarker::pos, libmv_Marker::reference_clip, libmv_Marker::reference_frame, MovieTrackingMarker::search_max, MovieTrackingMarker::search_min, libmv_Marker::search_region_max, libmv_Marker::search_region_min, libmv_Marker::source, libmv_Marker::status, libmv_Marker::track, TRACK_DISABLE_BLUE, TRACK_DISABLE_GREEN, TRACK_DISABLE_RED, TRACK_MATCH_KEYFRAME, tracking_get_keyframed_marker(), and libmv_Marker::weight.

Referenced by autotrack_context_init_autotrack(), and autotrack_context_init_markers().

libmv_frame_to_normalized()

static void libmv_frame_to_normalized ( const float  frame_coord[2], const int  frame_dimensions[2], float  result[2]  )

static

Definition at line 165 of file tracking_auto.c.

References result.

Referenced by libmv_marker_to_dna_marker().

libmv_frame_to_normalized_relative()

static void libmv_frame_to_normalized_relative ( const float  frame_coord[2], const float  origin[2], const int  frame_dimensions[2], float  result[2]  )

static

Definition at line 173 of file tracking_auto.c.

References result.

Referenced by libmv_marker_to_dna_marker().

libmv_marker_to_dna_marker()

static void libmv_marker_to_dna_marker ( libmv_Marker *  libmv_marker, int  frame_width, int  frame_height, MovieTrackingMarker *  marker  )

static

Definition at line 247 of file tracking_auto.c.

References libmv_Marker::center, MovieTrackingMarker::flag, libmv_Marker::frame, MovieTrackingMarker::framenr, libmv_frame_to_normalized(), libmv_frame_to_normalized_relative(), LIBMV_MARKER_SOURCE_TRACKED, MARKER_TRACKED, libmv_Marker::patch, MovieTrackingMarker::pattern_corners, MovieTrackingMarker::pos, MovieTrackingMarker::search_max, MovieTrackingMarker::search_min, libmv_Marker::search_region_max, libmv_Marker::search_region_min, and libmv_Marker::source.

Referenced by BKE_autotrack_context_sync().

normalized_relative_to_libmv_frame()

static void normalized_relative_to_libmv_frame ( const float  normalized[2], const float  origin[2], const int  frame_dimensions[2], float  result[2]  )

static

Definition at line 156 of file tracking_auto.c.

References normalized(), and result.

Referenced by dna_marker_to_libmv_marker().

normalized_to_libmv_frame()

static void normalized_to_libmv_frame ( const float  normalized[2], const int  frame_dimensions[2], float  result[2]  )

static

Definition at line 148 of file tracking_auto.c.

References normalized(), and result.

Referenced by dna_marker_to_libmv_marker().

tracking_check_marker_margin()

static bool tracking_check_marker_margin ( const libmv_Marker *  libmv_marker, int  margin, int  frame_width, int  frame_height  )

static

Definition at line 288 of file tracking_auto.c.

References libmv_Marker::center, INIT_MINMAX2, max_ff(), minmax_v2v2_v2(), and libmv_Marker::patch.

Referenced by autotrack_context_step_cb().