X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fedl.C;h=d6810aa763b05bd779b34a4a3c441c648aa381bf;hb=3966bf849d26244bc8b9a39fa485a808272225d0;hp=5d9ff496238e1f15727fe154c333bf04ae015786;hpb=ea0dfe3cd57bb60ef824cd0d3512fcd251020c76;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/edl.C b/cinelerra-5.1/cinelerra/edl.C
index 5d9ff496..d6810aa7 100644
--- a/cinelerra-5.1/cinelerra/edl.C
+++ b/cinelerra-5.1/cinelerra/edl.C
@@ -1549,3 +1549,51 @@ void EDL::append_vwindow_edl(EDL *edl, int increase_counter)
 }
 
 
+double EDL::next_edit(double position)
+{
+	Units::fix_double(&position);
+	double new_position = tracks->total_length();
+
+	double max_rate = get_frame_rate();
+	int sample_rate = get_sample_rate();
+	if( sample_rate > max_rate ) max_rate = sample_rate;
+	double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
+
+// Test for edit handles after position
+	for( Track *track=tracks->first; track; track=track->next ) {
+		if( !track->record ) continue;
+		for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
+			double edit_end = track->from_units(edit->startproject + edit->length);
+			Units::fix_double(&edit_end);
+			if( fabs(edit_end-position) < min_movement ) continue;
+			if( edit_end > position && edit_end < new_position )
+				new_position = edit_end;
+		}
+	}
+	return new_position;
+}
+
+double EDL::prev_edit(double position)
+{
+	Units::fix_double(&position);
+	double new_position = -1;
+
+	double max_rate = get_frame_rate();
+	int sample_rate = get_sample_rate();
+	if( sample_rate > max_rate ) max_rate = sample_rate;
+	double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
+
+// Test for edit handles before cursor position
+	for( Track *track=tracks->first; track; track=track->next ) {
+		if( !track->record ) continue;
+		for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
+			double edit_end = track->from_units(edit->startproject);
+			Units::fix_double(&edit_end);
+			if( fabs(edit_end-position) < min_movement ) continue;
+			if( edit_end < position && edit_end > new_position )
+				new_position = edit_end;
+		}
+	}
+	return new_position;
+}
+