From 87e05c152a5e8747949952901890147603ce89b6 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Mon, 14 Aug 2017 10:23:29 +0200 Subject: Tracking: Cleanup and some comments --- source/blender/blenkernel/intern/tracking_auto.c | 107 +++++++++++------------ 1 file changed, 52 insertions(+), 55 deletions(-) (limited to 'source') diff --git a/source/blender/blenkernel/intern/tracking_auto.c b/source/blender/blenkernel/intern/tracking_auto.c index 414946f877d..30981ed8f23 100644 --- a/source/blender/blenkernel/intern/tracking_auto.c +++ b/source/blender/blenkernel/intern/tracking_auto.c @@ -381,7 +381,7 @@ AutoTrackContext *BKE_autotrack_context_new(MovieClip *clip, bool BKE_autotrack_context_step(AutoTrackContext *context) { - int frame_delta = context->backwards ? -1 : 1; + const int frame_delta = context->backwards ? -1 : 1; bool ok = false; int track; @@ -395,67 +395,64 @@ bool BKE_autotrack_context_step(AutoTrackContext *context) libmv_reference_marker, libmv_tracked_marker; libmv_TrackRegionResult libmv_result; - int frame = BKE_movieclip_remap_scene_to_clip_frame( - context->clips[options->clip_index], - context->user.framenr); - bool has_marker; - + const int frame = BKE_movieclip_remap_scene_to_clip_frame( + context->clips[options->clip_index], + context->user.framenr); BLI_spin_lock(&context->spin_lock); - has_marker = libmv_autoTrackGetMarker(context->autotrack, - options->clip_index, - frame, - options->track_index, - &libmv_current_marker); + const bool has_marker = libmv_autoTrackGetMarker(context->autotrack, + options->clip_index, + frame, + options->track_index, + &libmv_current_marker); BLI_spin_unlock(&context->spin_lock); - - if (has_marker) { - if (!tracking_check_marker_margin(&libmv_current_marker, - options->track->margin, - context->frame_width, - context->frame_height)) - { - continue; - } - - libmv_tracked_marker = libmv_current_marker; - libmv_tracked_marker.frame = frame + frame_delta; - - if (options->use_keyframe_match) { - libmv_tracked_marker.reference_frame = - libmv_current_marker.reference_frame; - libmv_autoTrackGetMarker(context->autotrack, - options->clip_index, - libmv_tracked_marker.reference_frame, - options->track_index, - &libmv_reference_marker); - } - else { - libmv_tracked_marker.reference_frame = frame; - libmv_reference_marker = libmv_current_marker; - } - - if (libmv_autoTrackMarker(context->autotrack, - &options->track_region_options, - &libmv_tracked_marker, - &libmv_result)) - { - BLI_spin_lock(&context->spin_lock); - libmv_autoTrackAddMarker(context->autotrack, - &libmv_tracked_marker); - BLI_spin_unlock(&context->spin_lock); - } - else { - options->is_failed = true; - options->failed_frame = frame + frame_delta; - } - ok = true; + /* Check whether we've got marker to sync with. */ + if (!has_marker) { + continue; + } + /* Check whether marker is going outside of allowed frame margin. */ + if (!tracking_check_marker_margin(&libmv_current_marker, + options->track->margin, + context->frame_width, + context->frame_height)) + { + continue; + } + libmv_tracked_marker = libmv_current_marker; + libmv_tracked_marker.frame = frame + frame_delta; + /* Update reference frame. */ + if (options->use_keyframe_match) { + libmv_tracked_marker.reference_frame = + libmv_current_marker.reference_frame; + libmv_autoTrackGetMarker(context->autotrack, + options->clip_index, + libmv_tracked_marker.reference_frame, + options->track_index, + &libmv_reference_marker); } + else { + libmv_tracked_marker.reference_frame = frame; + libmv_reference_marker = libmv_current_marker; + } + /* Perform actual tracking. */ + if (libmv_autoTrackMarker(context->autotrack, + &options->track_region_options, + &libmv_tracked_marker, + &libmv_result)) + { + BLI_spin_lock(&context->spin_lock); + libmv_autoTrackAddMarker(context->autotrack, &libmv_tracked_marker); + BLI_spin_unlock(&context->spin_lock); + } + else { + options->is_failed = true; + options->failed_frame = frame + frame_delta; + } + ok = true; } - + /* Advance the frame. */ BLI_spin_lock(&context->spin_lock); context->user.framenr += frame_delta; BLI_spin_unlock(&context->spin_lock); - return ok; } -- cgit v1.2.3