From: Good Guy <good1.2guy@gmail.com>
Date: Sun, 27 Sep 2020 20:07:22 +0000 (-0600)
Subject: raise vwdw stacking tweak, drag handle for transitions, cleanup histogram plugin... 
X-Git-Tag: 2020-09~3
X-Git-Url: https://cinelerra-gg.org/git/?a=commitdiff_plain;h=232ae3c6972c1740b6e1890ccce1264f2bb311f5;p=goodguy%2Fcinelerra.git

raise vwdw stacking tweak, drag handle for transitions, cleanup histogram plugin, histogram uses sum bin value, suv patchbay/new png imgs, tweak appearanceprefs layout
---

diff --git a/cinelerra-5.1/cinelerra/appearanceprefs.C b/cinelerra-5.1/cinelerra/appearanceprefs.C
index c53db830..1f878835 100644
--- a/cinelerra-5.1/cinelerra/appearanceprefs.C
+++ b/cinelerra-5.1/cinelerra/appearanceprefs.C
@@ -205,7 +205,7 @@ void AppearancePrefs::create_objects()
 	if( y2 < y ) y2 = y;
 
 	add_subwindow(new BC_Bar(x0, y2, get_w()-x0 - xs30));
-	y += ys15;
+	y += ys35;
 
 	x = x0;  y1 = y;
 	add_subwindow(title = new BC_Title(x, y, _("Warnings:"), LARGEFONT,
diff --git a/cinelerra-5.1/cinelerra/mainmenu.C b/cinelerra-5.1/cinelerra/mainmenu.C
index 3a694f72..4359595b 100644
--- a/cinelerra-5.1/cinelerra/mainmenu.C
+++ b/cinelerra-5.1/cinelerra/mainmenu.C
@@ -1605,7 +1605,7 @@ ShowVWindow::ShowVWindow(MWindow *mwindow)
 int ShowVWindow::handle_event()
 {
 	mwindow->gui->unlock_window();
-	mwindow->show_vwindow();
+	mwindow->show_vwindow(1);
 	mwindow->gui->lock_window("ShowVWindow::handle_event");
 	return 1;
 }
diff --git a/cinelerra-5.1/cinelerra/mainsession.C b/cinelerra-5.1/cinelerra/mainsession.C
index de63b8b1..7d582c46 100644
--- a/cinelerra-5.1/cinelerra/mainsession.C
+++ b/cinelerra-5.1/cinelerra/mainsession.C
@@ -36,6 +36,7 @@
 #include "mwindow.h"
 #include "mwindowgui.h"
 #include "plugin.h"
+#include "transition.h"
 
 MainSession::MainSession(MWindow *mwindow)
 {
@@ -51,6 +52,7 @@ MainSession::MainSession(MWindow *mwindow)
 	current_operation = NO_OPERATION;
 	drag_pluginservers = new ArrayList<PluginServer*>;
 	drag_plugin = 0;
+	drag_transition = 0;
 	drag_assets = new ArrayList<Indexable*>;
 	drag_auto_gang = new ArrayList<Auto*>;
 	drag_clips = new ArrayList<EDL*>;
@@ -657,6 +659,10 @@ Track *MainSession::drag_handle_track()
 	case DRAG_PLUGINHANDLE2:
 		track = drag_plugin->edits->track;
 		break;
+	case DRAG_TRANSNHANDLE1:
+	case DRAG_TRANSNHANDLE2:
+		track = drag_transition->edits->track;
+		break;
 	}
 	return track;
 }
diff --git a/cinelerra-5.1/cinelerra/mainsession.h b/cinelerra-5.1/cinelerra/mainsession.h
index 58115d69..e8d31db6 100644
--- a/cinelerra-5.1/cinelerra/mainsession.h
+++ b/cinelerra-5.1/cinelerra/mainsession.h
@@ -38,6 +38,7 @@
 #include "pluginset.inc"
 #include "pluginserver.inc"
 #include "track.inc"
+#include "transition.inc"
 #include "vwindowgui.inc"
 
 // Options not in EDL but not changed in preferences
@@ -73,6 +74,7 @@ public:
 // Item being dragged
 	ArrayList <PluginServer*> *drag_pluginservers;
 	Plugin *drag_plugin;
+	Transition *drag_transition;
 // When trim should only affect the selected edits or plugins
 	Edits *trim_edits;
 	ArrayList<Indexable*> *drag_assets;
diff --git a/cinelerra-5.1/cinelerra/mainsession.inc b/cinelerra-5.1/cinelerra/mainsession.inc
index 0a734958..754183c2 100644
--- a/cinelerra-5.1/cinelerra/mainsession.inc
+++ b/cinelerra-5.1/cinelerra/mainsession.inc
@@ -61,6 +61,8 @@ enum
 	DRAG_PLUGINKEY,
 	DRAG_PLUGINHANDLE1,        // Waiting to move out of drag threshold
 	DRAG_PLUGINHANDLE2,         // Dragging outside drag threshold
+	DRAG_TRANSNHANDLE1,
+	DRAG_TRANSNHANDLE2,
 	DRAG_SPEED,
 	DRAG_GROUP,
 	GROUP_TOGGLE,
diff --git a/cinelerra-5.1/cinelerra/mwindow.C b/cinelerra-5.1/cinelerra/mwindow.C
index bb04335f..cf16cd93 100644
--- a/cinelerra-5.1/cinelerra/mwindow.C
+++ b/cinelerra-5.1/cinelerra/mwindow.C
@@ -2919,7 +2919,7 @@ void MWindow::run()
 	run_lock->unlock();
 }
 
-void MWindow::show_vwindow()
+void MWindow::show_vwindow(int raise)
 {
 	int total_running = 0;
 	session->show_vwindow = 1;
@@ -2929,19 +2929,17 @@ void MWindow::show_vwindow()
 	for(int j = 0; j < vwindows.size(); j++) {
 		VWindow *vwindow = vwindows[j];
 		if( !vwindow->is_running() ) continue;
+		total_running++;
+		if( !raise && !vwindow->gui->is_hidden() ) continue;
 		vwindow->gui->lock_window("MWindow::show_vwindow");
 		vwindow->gui->show_window(0);
 		vwindow->gui->raise_window();
 		vwindow->gui->flush();
 		vwindow->gui->unlock_window();
-		total_running++;
 	}
-
 // If no windows visible
-	if(!total_running)
-	{
+	if( !total_running )
 		get_viewer(1, DEFAULT_VWINDOW);
-	}
 
 	gui->mainmenu->show_vwindow->set_checked(1);
 }
@@ -3016,8 +3014,8 @@ void MWindow::restore_windows()
 			vwindow->gui->unlock_window();
 		}
 	}
-	else
-		show_vwindow();
+	else 
+		show_vwindow(0);
 
 	if( !session->show_awindow && !awindow->gui->is_hidden() ) {
 		awindow->gui->lock_window("MWindow::restore_windows");
diff --git a/cinelerra-5.1/cinelerra/mwindow.h b/cinelerra-5.1/cinelerra/mwindow.h
index d7e54b1c..b31f2642 100644
--- a/cinelerra-5.1/cinelerra/mwindow.h
+++ b/cinelerra-5.1/cinelerra/mwindow.h
@@ -209,7 +209,7 @@ public:
 	void media_to_clip();
 	int create_ref(Asset *asset, EDL *ref);
 // Show windows
-	void show_vwindow();
+	void show_vwindow(int raise);
 	void show_awindow();
 	void show_lwindow();
 	void show_cwindow();
@@ -623,6 +623,7 @@ public:
 
 	int modify_edithandles();
 	int modify_pluginhandles();
+	int modify_transnhandles();
 	void finish_modify_handles();
 	void rescale_proxy(EDL *clip, int orig_scale, int new_scale);
 	void add_proxy(ArrayList<Indexable*> *orig_assets,
diff --git a/cinelerra-5.1/cinelerra/mwindowedit.C b/cinelerra-5.1/cinelerra/mwindowedit.C
index 2bf9a97c..003844fe 100644
--- a/cinelerra-5.1/cinelerra/mwindowedit.C
+++ b/cinelerra-5.1/cinelerra/mwindowedit.C
@@ -960,6 +960,34 @@ void MWindow::finish_modify_handles()
 	cwindow->update(1, 0, 0, 0, 1);
 }
 
+int MWindow::modify_transnhandles()
+{
+	gui->reset_default_message();
+	gui->default_message();
+	Transition *transition = session->drag_transition;
+	if( !transition ) return 1;
+	int64_t length = transition->length;
+	Track *track = transition->edit->track;
+	int64_t start_pos = track->to_units(session->drag_start, 0);
+	int64_t end_pos = track->to_units(session->drag_position, 0);
+	length += end_pos - start_pos;
+	if( length < 0 ) length = 0;
+	if( length == transition->length ) return 0;
+
+	undo_before();
+	transition->length = length;
+	undo_after(_("trans handle"), LOAD_EDITS);
+
+	save_backup();
+	restart_brender();
+	sync_parameters(CHANGE_EDL);
+	update_plugin_guis();
+	gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
+	cwindow->update(1, 0, 0, 0, 1);
+
+	return 0;
+}
+
 void MWindow::match_output_size(Track *track)
 {
 	undo_before();
diff --git a/cinelerra-5.1/cinelerra/new.C b/cinelerra-5.1/cinelerra/new.C
index a9f4aaf2..47e46705 100644
--- a/cinelerra-5.1/cinelerra/new.C
+++ b/cinelerra-5.1/cinelerra/new.C
@@ -60,7 +60,7 @@
 // add tracks dialog
 #define HEIGHT1 yS(240)
 // offset for folder panel
-#define HEIGHT2 yS(440)
+#define HEIGHT2 yS(435)
 
 New::New(MWindow *mwindow)
 {
diff --git a/cinelerra-5.1/cinelerra/trackcanvas.C b/cinelerra-5.1/cinelerra/trackcanvas.C
index f37b1cd6..c0fea44a 100644
--- a/cinelerra-5.1/cinelerra/trackcanvas.C
+++ b/cinelerra-5.1/cinelerra/trackcanvas.C
@@ -1967,7 +1967,8 @@ void TrackCanvas::draw_inout_points()
 void TrackCanvas::draw_drag_handle()
 {
 	if( mwindow->session->current_operation != DRAG_EDITHANDLE2 &&
-	    mwindow->session->current_operation != DRAG_PLUGINHANDLE2 ) return;
+	    mwindow->session->current_operation != DRAG_PLUGINHANDLE2 &&
+	    mwindow->session->current_operation != DRAG_TRANSNHANDLE2 ) return;
 	int64_t pixel1 = Units::round(mwindow->session->drag_position *
 		mwindow->edl->session->sample_rate /
 		mwindow->edl->local_session->zoom_sample -
@@ -3846,14 +3847,8 @@ void TrackCanvas::update_drag_handle()
 	double new_position;
 	int cursor_x = get_cursor_x();
 
-	new_position =
-		(double)(cursor_x +
-		mwindow->edl->local_session->view_start[pane->number]) *
-		mwindow->edl->local_session->zoom_sample /
-		mwindow->edl->session->sample_rate;
-
-	new_position =
-		mwindow->edl->align_to_frame(new_position, 0);
+	new_position = mwindow->edl->get_cursor_position(cursor_x, pane->number);
+	new_position = mwindow->edl->align_to_frame(new_position, 0);
 
 	if( ctrl_down() && alt_down() ) {
 #define snapper(v) do { \
@@ -4321,42 +4316,46 @@ int TrackCanvas::cursor_update(int in_motion)
 	{
 		case DRAG_EDITHANDLE1:
 // Outside threshold.  Upgrade status
-			if(active)
-			{
-				if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
-				{
-					mwindow->session->current_operation = DRAG_EDITHANDLE2;
-					update_overlay = 1;
-				}
+			if( !active ) break;
+			if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+				mwindow->session->current_operation = DRAG_EDITHANDLE2;
+				update_overlay = 1;
 			}
 			break;
-
 		case DRAG_EDITHANDLE2:
-			if(active)
-			{
-				update_drag_handle();
-				update_overlay = 1;
-			}
+			if( !active ) break;
+			update_drag_handle();
+			update_overlay = 1;
 			break;
 
 		case DRAG_PLUGINHANDLE1:
-			if(active)
-			{
-				if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
-				{
-					mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
-					update_overlay = 1;
-				}
+			if( !active ) break;
+			if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+				mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
+				update_overlay = 1;
 			}
 			break;
-
 		case DRAG_PLUGINHANDLE2:
-			if(active)
-			{
-				update_drag_handle();
+			if( !active ) break;
+			update_drag_handle();
+			update_overlay = 1;
+			break;
+
+		case DRAG_TRANSNHANDLE1:
+			if( !active ) break;
+			if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+				mwindow->session->current_operation = DRAG_TRANSNHANDLE2;
 				update_overlay = 1;
 			}
 			break;
+		case DRAG_TRANSNHANDLE2: {
+			if( !active ) break;
+			position = mwindow->edl->get_cursor_position(get_cursor_x(), pane->number);
+			position = mwindow->edl->align_to_frame(position, 1);
+			drag_transition_handle(position);
+			rerender = 1;
+			update_overlay = 1;
+			break; }
 
 // Rubber band curves
 		case DRAG_FADE:
@@ -4479,6 +4478,8 @@ int TrackCanvas::cursor_update(int in_motion)
 						0, new_cursor, update_cursor)) break;
 				if(do_keyframes(get_cursor_x(), get_cursor_y(),
 					0, 0, new_cursor, update_cursor, rerender)) break;
+				if(do_transition_handles(get_cursor_x(), get_cursor_y(),
+					0, rerender, update_overlay, new_cursor, update_cursor)) break;
 				if(do_edit_handles(get_cursor_x(), get_cursor_y(),
 					0, rerender, update_overlay, new_cursor, update_cursor)) break;
 // Plugin boundaries
@@ -4678,6 +4679,20 @@ int TrackCanvas::button_release_event()
 			result = 1;
 			break;
 
+		case DRAG_TRANSNHANDLE2:
+			mwindow->session->current_operation = NO_OPERATION;
+			drag_scroll = 0;
+			result = 1;
+
+			end_transnhandle_selection();
+			break;
+
+		case DRAG_TRANSNHANDLE1:
+			mwindow->session->current_operation = NO_OPERATION;
+			drag_scroll = 0;
+			result = 1;
+			break;
+
 		case DRAG_SPEED:
 			redraw = FORCE_REDRAW;
 			load_flags |= LOAD_EDITS | LOAD_TIMEBAR;
@@ -5000,6 +5015,95 @@ int TrackCanvas::do_plugin_handles(int cursor_x,
 	return result;
 }
 
+int TrackCanvas::do_transition_handles(int cursor_x, int cursor_y, int button_press,
+		int &rerender, int &update_overlay, int &new_cursor, int &update_cursor)
+{
+	Transition *trans_result = 0;
+	int result = 0;
+
+	Track *track = mwindow->edl->tracks->first;
+	for( ; track && !result; track=track->next) {
+		if( track->is_hidden() ) continue;
+		Edit *edit = track->edits->first;
+		for( ; edit && !result; edit=edit->next ) {
+			Transition *trans = edit->transition;
+			if( !trans ) continue;
+			int64_t x, y, w, h;
+			edit_dimensions(edit, x, y, w, h);
+			int strip_x = x, edit_y = y;
+			get_transition_coords(edit, x, y, w, h);
+			VFrame *strip = mwindow->theme->get_image("plugin_bg_data");
+			int strip_y = y - strip->get_h();
+			if( track->show_assets() && track->show_titles() )
+				edit_y += mwindow->theme->get_image("title_bg_data")->get_h();
+			if( strip_y < edit_y ) strip_y = edit_y;
+			int strip_w = Units::round(edit->track->from_units(edit->transition->length) *
+				mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample);
+			int x1 = strip_x + strip_w - HANDLE_W/2, x2 = x1 + HANDLE_W;
+			int y1 = strip_y + strip->get_h()/2 - HANDLE_H/2, y2 = y1 + HANDLE_W;
+			if( cursor_x >= x1 && cursor_x < x2 &&
+			    cursor_y >= y1 && cursor_y < y2 ) {
+				trans_result = trans;
+				result = 1;
+			}
+		}
+	}
+
+	if( result ) {
+		if( button_press ) {
+			mwindow->session->drag_transition = trans_result;
+			mwindow->session->drag_handle = 1;
+			mwindow->session->drag_button = get_buttonpress() - 1;
+			int64_t trans_end = trans_result->edit->startproject + trans_result->length;
+			double position = trans_result->edit->track->from_units(trans_end);
+			mwindow->session->drag_position = position;
+			mwindow->session->drag_start = position;
+			mwindow->session->current_operation = DRAG_TRANSNHANDLE1;
+			mwindow->session->drag_origin_x = get_cursor_x();
+			mwindow->session->drag_origin_y = get_cursor_y();
+			update_cursor = 1;
+		}
+		new_cursor = RIGHT_CURSOR;
+		update_overlay = 1;
+	}
+
+	return result;
+}
+
+int TrackCanvas::drag_transition_handle(double position)
+{
+	Transition *transition = mwindow->session->drag_transition;
+	if( !transition ) return 1;
+	mwindow->session->drag_position = position;
+	mwindow->edl->local_session->set_selectionstart(position);
+	mwindow->edl->local_session->set_selectionend(position);
+	char string[BCSTRLEN];
+	int64_t length = transition->length;
+	Track *track = transition->edit->track;
+	int64_t start_pos = track->to_units(mwindow->session->drag_start, 0);
+	int64_t end_pos = track->to_units(mwindow->session->drag_position, 0);
+	length += end_pos - start_pos;
+	if( length < 0 ) length = 0;
+	double time = track->from_units(length);
+	Units::totext(string, time,
+		mwindow->edl->session->time_format,
+		mwindow->edl->session->sample_rate,
+		mwindow->edl->session->frame_rate,
+		mwindow->edl->session->frames_per_foot);
+	mwindow->gui->show_message(string);
+	if( mwindow->gui->transition_menu->length_thread->running() ) {
+		TransitionLengthDialog *dialog = (TransitionLengthDialog *)
+			 mwindow->gui->transition_menu->length_thread->get_gui();
+		if( dialog ) {
+			dialog->lock_window("TrackCanvas::drag_transition_handle");
+			dialog->update_text(time);
+			dialog->thread->new_length = time;
+			dialog->unlock_window();
+		}
+	}
+	return 0;
+}
+
 
 int TrackCanvas::do_tracks(int cursor_x, int cursor_y, int button_press)
 {
@@ -5421,6 +5525,10 @@ int TrackCanvas::button_press_event()
 					0, get_buttonpress(), new_cursor,
 					update_cursor, rerender) ) break;
 				update_message = 1;
+
+				if( do_transition_handles(cursor_x, cursor_y,
+					1, rerender, update_overlay, new_cursor,
+					update_cursor) ) break;
 // Test edit boundaries
 				if( do_edit_handles(cursor_x, cursor_y,
 					1, rerender, update_overlay, new_cursor,
@@ -5457,6 +5565,8 @@ int TrackCanvas::button_press_event()
 					break;
 				}
 				update_message = 1;
+				if( do_transition_handles(cursor_x, cursor_y,
+					1, rerender, update_overlay, new_cursor, update_cursor) ) break;
 // Test edit boundaries
 				if( do_edit_handles(cursor_x, cursor_y,
 					1, rerender, update_overlay, new_cursor, update_cursor) ) break;
@@ -5553,11 +5663,19 @@ int TrackCanvas::start_selection(double position)
 void TrackCanvas::end_edithandle_selection()
 {
 	mwindow->modify_edithandles();
+	mwindow->session->drag_edit = 0;
 }
 
 void TrackCanvas::end_pluginhandle_selection()
 {
 	mwindow->modify_pluginhandles();
+	mwindow->session->drag_plugin = 0;
+}
+
+void TrackCanvas::end_transnhandle_selection()
+{
+	mwindow->modify_transnhandles();
+	mwindow->session->drag_transition = 0;
 }
 
 
diff --git a/cinelerra-5.1/cinelerra/trackcanvas.h b/cinelerra-5.1/cinelerra/trackcanvas.h
index d08b420a..3d1ded19 100644
--- a/cinelerra-5.1/cinelerra/trackcanvas.h
+++ b/cinelerra-5.1/cinelerra/trackcanvas.h
@@ -250,53 +250,28 @@ public:
 	int ibeam_mode();
 
 // Get edit and handle the cursor is over
-	int do_edit_handles(int cursor_x,
-		int cursor_y,
-		int button_press,
-		int &rerender,
-		int &update_overlay,
-		int &new_cursor,
-		int &update_cursor);
+	int do_edit_handles(int cursor_x, int cursor_y, int button_press,
+		int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
 // Get plugin and handle the cursor if over
-	int do_plugin_handles(int cursor_x,
-		int cursor_y,
-		int button_press,
-		int &rerender,
-		int &update_overlay,
-		int &new_cursor,
-		int &update_cursor);
+	int do_plugin_handles(int cursor_x, int cursor_y, int button_press,
+		int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
+	int do_transition_handles(int cursor_x, int cursor_y, int button_press,
+		int &rerender, int &update_overlay, int &new_cursor, int &update_cursor);
+	int drag_transition_handle(double position);
 // Get edit the cursor is over
-	int do_edits(int cursor_x,
-		int cursor_y,
-		int button_press,
-		int drag_start,
-		int &redraw,
-		int &rerender,
-		int &new_cursor,
-		int &update_cursor);
+	int do_edits(int cursor_x, int cursor_y, int button_press,
+		int drag_start, int &redraw, int &rerender, int &new_cursor, int &update_cursor);
 	int do_tracks(int cursor_x,
 		int cursor_y,
 		int button_press);
 	int test_track_group(EDL *group, Track *first_track, double &pos);
 	int edit_intersects(Track *track, Edit *src_edit, double &pos);
 	int test_resources(int cursor_x, int cursor_y);
-	int do_plugins(int cursor_x,
-		int cursor_y,
-		int drag_start,
-		int button_press,
-		int &redraw,
-		int &rerender);
-	int do_transitions(int cursor_x,
-		int cursor_y,
-		int button_press,
-		int &new_cursor,
-		int &update_cursor);
-	void draw_cropped_line(int x1,
-		int y1,
-		int x2,
-		int y2,
-		int min_y,
-		int max_y);
+	int do_plugins(int cursor_x, int cursor_y, int drag_start, int button_press,
+		int &redraw, int &rerender);
+	int do_transitions(int cursor_x, int cursor_y, int button_press,
+		int &new_cursor, int &update_cursor);
+	void draw_cropped_line(int x1, int y1, int x2, int y2, int min_y, int max_y);
 	int button_press_event();
 	int button_release_event();
 	int cursor_update(int in_motion);
@@ -319,6 +294,7 @@ public:
 	int64_t drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin);
 	void end_edithandle_selection();
 	void end_pluginhandle_selection();
+	void end_transnhandle_selection();
 // Number of seconds spanned by the trackcanvas
 	double time_visible();
 	void update_drag_handle();
diff --git a/cinelerra-5.1/cinelerra/transitionpopup.C b/cinelerra-5.1/cinelerra/transitionpopup.C
index 58a05e58..5922a881 100644
--- a/cinelerra-5.1/cinelerra/transitionpopup.C
+++ b/cinelerra-5.1/cinelerra/transitionpopup.C
@@ -111,14 +111,9 @@ int TransitionUnitsItem::handle_event()
 {
 	TransitionUnitsPopup *units_popup = (TransitionUnitsPopup *)get_popup_menu();
 	TransitionLengthDialog *gui = units_popup->gui;
-	TransitionLengthText *length_text = gui->text;
-	EDLSession *session = gui->mwindow->edl->session;
 	double length = gui->thread->new_length;
-	char text[BCSTRLEN];
 	units_popup->units = id;
-	Units::totext(text, length, units_popup->units, session->sample_rate,
-			session->frame_rate, session->frames_per_foot);
-	length_text->update(text);
+	gui->update_text(length);
 	units_popup->set_text(get_text());
 	return 1;
 }
@@ -181,6 +176,17 @@ int TransitionLengthDialog::close_event()
 	return 1;
 }
 
+void TransitionLengthDialog::update_text(double length)
+{
+	int units = units_popup->units;
+	EDLSession *session = mwindow->edl->session;
+	char string[BCSTRLEN];
+	Units::totext(string, length, units,
+		session->sample_rate, session->frame_rate,
+		session->frames_per_foot);
+	text->update(string);
+}
+
 
 TransitionLengthText::TransitionLengthText(MWindow *mwindow,
 	TransitionLengthDialog *gui, int x, int y)
@@ -220,11 +226,7 @@ int TransitionLengthText::handle_up_down(int dir)
 		break;
 	}
 	double length = gui->thread->new_length + delta * dir;
-	char text[BCSTRLEN];
-	Units::totext(text, length, units,
-		session->sample_rate, session->frame_rate,
-		session->frames_per_foot);
-	update(text);
+	gui->update_text(length);
 	return gui->thread->update(length);
 }
 
diff --git a/cinelerra-5.1/cinelerra/transitionpopup.h b/cinelerra-5.1/cinelerra/transitionpopup.h
index 67498a32..57792f9c 100644
--- a/cinelerra-5.1/cinelerra/transitionpopup.h
+++ b/cinelerra-5.1/cinelerra/transitionpopup.h
@@ -84,6 +84,7 @@ public:
 
 	void create_objects();
 	int close_event();
+	void update_text(double length);
 
 	MWindow *mwindow;
 	TransitionLengthThread *thread;
diff --git a/cinelerra-5.1/plugins/histogram/debug b/cinelerra-5.1/plugins/histogram/debug
deleted file mode 100644
index 5978e874..00000000
--- a/cinelerra-5.1/plugins/histogram/debug
+++ /dev/null
@@ -1,1111 +0,0 @@
-HistogramConfig::interpolate 150 0.220192 1.000000 0.800000
-TimeAvgMain::process_buffer 357 prev_frame=270 start_position=270 i=270
-HistogramConfig::interpolate 150 0.220642 1.000000 0.800131
-TimeAvgMain::process_buffer 357 prev_frame=271 start_position=271 i=271
-HistogramConfig::interpolate 150 0.221091 1.000000 0.800261
-TimeAvgMain::process_buffer 357 prev_frame=272 start_position=272 i=272
-HistogramConfig::interpolate 150 0.221541 1.000000 0.800392
-TimeAvgMain::process_buffer 357 prev_frame=273 start_position=273 i=273
-HistogramConfig::interpolate 150 0.221990 1.000000 0.800523
-TimeAvgMain::process_buffer 357 prev_frame=274 start_position=274 i=274
-HistogramConfig::interpolate 150 0.222440 1.000000 0.800654
-TimeAvgMain::process_buffer 357 prev_frame=275 start_position=275 i=275
-HistogramConfig::interpolate 150 0.222889 1.000000 0.800784
-TimeAvgMain::process_buffer 357 prev_frame=276 start_position=276 i=276
-HistogramConfig::interpolate 150 0.223338 1.000000 0.800915
-TimeAvgMain::process_buffer 357 prev_frame=277 start_position=277 i=277
-HistogramConfig::interpolate 150 0.223788 1.000000 0.801046
-TimeAvgMain::process_buffer 357 prev_frame=278 start_position=278 i=278
-HistogramConfig::interpolate 150 0.224237 1.000000 0.801177
-TimeAvgMain::process_buffer 357 prev_frame=279 start_position=279 i=279
-HistogramConfig::interpolate 150 0.224687 1.000000 0.801307
-TimeAvgMain::process_buffer 357 prev_frame=280 start_position=280 i=280
-HistogramConfig::interpolate 150 0.225136 1.000000 0.801438
-TimeAvgMain::process_buffer 357 prev_frame=281 start_position=281 i=281
-HistogramConfig::interpolate 150 0.225586 1.000000 0.801569
-TimeAvgMain::process_buffer 357 prev_frame=282 start_position=282 i=282
-HistogramConfig::interpolate 150 0.226035 1.000000 0.801700
-TimeAvgMain::process_buffer 357 prev_frame=283 start_position=283 i=283
-HistogramConfig::interpolate 150 0.226485 1.000000 0.801830
-TimeAvgMain::process_buffer 357 prev_frame=284 start_position=284 i=284
-HistogramConfig::interpolate 150 0.226934 1.000000 0.801961
-TimeAvgMain::process_buffer 357 prev_frame=285 start_position=285 i=285
-HistogramConfig::interpolate 150 0.227383 1.000000 0.802092
-TimeAvgMain::process_buffer 357 prev_frame=286 start_position=286 i=286
-HistogramConfig::interpolate 150 0.227833 1.000000 0.802223
-TimeAvgMain::process_buffer 357 prev_frame=287 start_position=287 i=287
-HistogramConfig::interpolate 150 0.228282 1.000000 0.802353
-TimeAvgMain::process_buffer 357 prev_frame=288 start_position=288 i=288
-HistogramConfig::interpolate 150 0.228732 1.000000 0.802484
-TimeAvgMain::process_buffer 357 prev_frame=289 start_position=289 i=289
-HistogramConfig::interpolate 150 0.229181 1.000000 0.802615
-TimeAvgMain::process_buffer 357 prev_frame=290 start_position=290 i=290
-HistogramConfig::interpolate 150 0.229631 1.000000 0.802746
-TimeAvgMain::process_buffer 357 prev_frame=291 start_position=291 i=291
-HistogramConfig::interpolate 150 0.230080 1.000000 0.802876
-TimeAvgMain::process_buffer 357 prev_frame=292 start_position=292 i=292
-HistogramConfig::interpolate 150 0.230530 1.000000 0.803007
-TimeAvgMain::process_buffer 357 prev_frame=293 start_position=293 i=293
-HistogramConfig::interpolate 150 0.230979 1.000000 0.803138
-TimeAvgMain::process_buffer 357 prev_frame=294 start_position=294 i=294
-HistogramConfig::interpolate 150 0.231428 1.000000 0.803269
-TimeAvgMain::process_buffer 357 prev_frame=295 start_position=295 i=295
-HistogramConfig::interpolate 150 0.231878 1.000000 0.803399
-TimeAvgMain::process_buffer 357 prev_frame=296 start_position=296 i=296
-HistogramConfig::interpolate 150 0.232327 1.000000 0.803530
-TimeAvgMain::process_buffer 357 prev_frame=297 start_position=297 i=297
-HistogramConfig::interpolate 150 0.232777 1.000000 0.803661
-TimeAvgMain::process_buffer 357 prev_frame=298 start_position=298 i=298
-HistogramConfig::interpolate 150 0.233226 1.000000 0.803792
-TimeAvgMain::process_buffer 357 prev_frame=299 start_position=299 i=299
-HistogramConfig::interpolate 150 0.233676 1.000000 0.803922
-TimeAvgMain::process_buffer 357 prev_frame=300 start_position=300 i=300
-HistogramConfig::interpolate 150 0.234125 1.000000 0.804053
-TimeAvgMain::process_buffer 357 prev_frame=301 start_position=301 i=301
-HistogramConfig::interpolate 150 0.234575 1.000000 0.804184
-TimeAvgMain::process_buffer 357 prev_frame=302 start_position=302 i=302
-HistogramConfig::interpolate 150 0.235024 1.000000 0.804315
-TimeAvgMain::process_buffer 357 prev_frame=303 start_position=303 i=303
-HistogramConfig::interpolate 150 0.235473 1.000000 0.804445
-TimeAvgMain::process_buffer 357 prev_frame=304 start_position=304 i=304
-HistogramConfig::interpolate 150 0.235923 1.000000 0.804576
-TimeAvgMain::process_buffer 357 prev_frame=305 start_position=305 i=305
-HistogramConfig::interpolate 150 0.236372 1.000000 0.804707
-TimeAvgMain::process_buffer 357 prev_frame=306 start_position=306 i=306
-HistogramConfig::interpolate 150 0.236822 1.000000 0.804838
-TimeAvgMain::process_buffer 357 prev_frame=307 start_position=307 i=307
-HistogramConfig::interpolate 150 0.237271 1.000000 0.804968
-TimeAvgMain::process_buffer 357 prev_frame=308 start_position=308 i=308
-HistogramConfig::interpolate 150 0.237721 1.000000 0.805099
-TimeAvgMain::process_buffer 357 prev_frame=309 start_position=309 i=309
-HistogramConfig::interpolate 150 0.238170 1.000000 0.805230
-TimeAvgMain::process_buffer 357 prev_frame=310 start_position=310 i=310
-HistogramConfig::interpolate 150 0.238620 1.000000 0.805361
-TimeAvgMain::process_buffer 357 prev_frame=311 start_position=311 i=311
-HistogramConfig::interpolate 150 0.239069 1.000000 0.805491
-TimeAvgMain::process_buffer 357 prev_frame=312 start_position=312 i=312
-HistogramConfig::interpolate 150 0.239518 1.000000 0.805622
-TimeAvgMain::process_buffer 357 prev_frame=313 start_position=313 i=313
-HistogramConfig::interpolate 150 0.239968 1.000000 0.805753
-TimeAvgMain::process_buffer 357 prev_frame=314 start_position=314 i=314
-HistogramConfig::interpolate 150 0.240417 1.000000 0.805884
-TimeAvgMain::process_buffer 357 prev_frame=315 start_position=315 i=315
-HistogramConfig::interpolate 150 0.240867 1.000000 0.806014
-TimeAvgMain::process_buffer 357 prev_frame=316 start_position=316 i=316
-HistogramConfig::interpolate 150 0.241316 1.000000 0.806145
-TimeAvgMain::process_buffer 357 prev_frame=317 start_position=317 i=317
-HistogramConfig::interpolate 150 0.241766 1.000000 0.806276
-TimeAvgMain::process_buffer 357 prev_frame=318 start_position=318 i=318
-HistogramConfig::interpolate 150 0.242215 1.000000 0.806407
-TimeAvgMain::process_buffer 357 prev_frame=319 start_position=319 i=319
-HistogramConfig::interpolate 150 0.242665 1.000000 0.806537
-TimeAvgMain::process_buffer 357 prev_frame=320 start_position=320 i=320
-HistogramConfig::interpolate 150 0.243114 1.000000 0.806668
-TimeAvgMain::process_buffer 357 prev_frame=321 start_position=321 i=321
-HistogramConfig::interpolate 150 0.243563 1.000000 0.806799
-TimeAvgMain::process_buffer 357 prev_frame=322 start_position=322 i=322
-HistogramConfig::interpolate 150 0.244013 1.000000 0.806930
-TimeAvgMain::process_buffer 357 prev_frame=323 start_position=323 i=323
-HistogramConfig::interpolate 150 0.244462 1.000000 0.807060
-TimeAvgMain::process_buffer 357 prev_frame=324 start_position=324 i=324
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-TimeAvgMain::process_buffer 357 prev_frame=325 start_position=325 i=325
-HistogramConfig::interpolate 150 0.245361 1.000000 0.807322
-TimeAvgMain::process_buffer 357 prev_frame=326 start_position=326 i=326
-HistogramConfig::interpolate 150 0.245811 1.000000 0.807453
-TimeAvgMain::process_buffer 357 prev_frame=327 start_position=327 i=327
-HistogramConfig::interpolate 150 0.246260 1.000000 0.807583
-TimeAvgMain::process_buffer 357 prev_frame=328 start_position=328 i=328
-HistogramConfig::interpolate 150 0.246710 1.000000 0.807714
-TimeAvgMain::process_buffer 357 prev_frame=329 start_position=329 i=329
-HistogramConfig::interpolate 150 0.247159 1.000000 0.807845
-TimeAvgMain::process_buffer 357 prev_frame=330 start_position=330 i=330
-HistogramConfig::interpolate 150 0.247608 1.000000 0.807976
-TimeAvgMain::process_buffer 357 prev_frame=331 start_position=331 i=331
-HistogramConfig::interpolate 150 0.248058 1.000000 0.808106
-TimeAvgMain::process_buffer 357 prev_frame=332 start_position=332 i=332
-HistogramConfig::interpolate 150 0.248507 1.000000 0.808237
-TimeAvgMain::process_buffer 357 prev_frame=333 start_position=333 i=333
-HistogramConfig::interpolate 150 0.248957 1.000000 0.808368
-TimeAvgMain::process_buffer 357 prev_frame=334 start_position=334 i=334
-HistogramConfig::interpolate 150 0.249406 1.000000 0.808499
-TimeAvgMain::process_buffer 357 prev_frame=335 start_position=335 i=335
-HistogramConfig::interpolate 150 0.249856 1.000000 0.808629
-TimeAvgMain::process_buffer 357 prev_frame=336 start_position=336 i=336
-HistogramConfig::interpolate 150 0.250305 1.000000 0.808760
-TimeAvgMain::process_buffer 357 prev_frame=337 start_position=337 i=337
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-TimeAvgMain::process_buffer 357 prev_frame=338 start_position=338 i=338
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-TimeAvgMain::process_buffer 357 prev_frame=339 start_position=339 i=339
-HistogramConfig::interpolate 150 0.251653 1.000000 0.809152
-TimeAvgMain::process_buffer 357 prev_frame=340 start_position=340 i=340
-HistogramConfig::interpolate 150 0.252103 1.000000 0.809283
-TimeAvgMain::process_buffer 357 prev_frame=341 start_position=341 i=341
-HistogramConfig::interpolate 150 0.252552 1.000000 0.809414
-TimeAvgMain::process_buffer 357 prev_frame=342 start_position=342 i=342
-HistogramConfig::interpolate 150 0.253002 1.000000 0.809545
-TimeAvgMain::process_buffer 357 prev_frame=343 start_position=343 i=343
-HistogramConfig::interpolate 150 0.253451 1.000000 0.809675
-TimeAvgMain::process_buffer 357 prev_frame=344 start_position=344 i=344
-HistogramConfig::interpolate 150 0.253901 1.000000 0.809806
-TimeAvgMain::process_buffer 357 prev_frame=345 start_position=345 i=345
-HistogramConfig::interpolate 150 0.254350 1.000000 0.809937
-TimeAvgMain::process_buffer 357 prev_frame=346 start_position=346 i=346
-HistogramConfig::interpolate 150 0.254800 1.000000 0.810068
-TimeAvgMain::process_buffer 357 prev_frame=347 start_position=347 i=347
-HistogramConfig::interpolate 150 0.255249 1.000000 0.810198
-TimeAvgMain::process_buffer 357 prev_frame=348 start_position=348 i=348
-HistogramConfig::interpolate 150 0.255698 1.000000 0.810329
-TimeAvgMain::process_buffer 357 prev_frame=349 start_position=349 i=349
-HistogramConfig::interpolate 150 0.256148 1.000000 0.810460
-TimeAvgMain::process_buffer 357 prev_frame=350 start_position=350 i=350
-HistogramConfig::interpolate 150 0.256597 1.000000 0.810591
-TimeAvgMain::process_buffer 357 prev_frame=351 start_position=351 i=351
-HistogramConfig::interpolate 150 0.257047 1.000000 0.810721
-TimeAvgMain::process_buffer 357 prev_frame=352 start_position=352 i=352
-HistogramConfig::interpolate 150 0.257496 1.000000 0.810852
-TimeAvgMain::process_buffer 357 prev_frame=353 start_position=353 i=353
-HistogramConfig::interpolate 150 0.257946 1.000000 0.810983
-TimeAvgMain::process_buffer 357 prev_frame=354 start_position=354 i=354
-HistogramConfig::interpolate 150 0.258395 1.000000 0.811114
-TimeAvgMain::process_buffer 357 prev_frame=355 start_position=355 i=355
-HistogramConfig::interpolate 150 0.258845 1.000000 0.811244
-TimeAvgMain::process_buffer 357 prev_frame=356 start_position=356 i=356
-HistogramConfig::interpolate 150 0.259294 1.000000 0.811375
-TimeAvgMain::process_buffer 357 prev_frame=357 start_position=357 i=357
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-TimeAvgMain::process_buffer 357 prev_frame=358 start_position=358 i=358
-HistogramConfig::interpolate 150 0.260193 1.000000 0.811637
-TimeAvgMain::process_buffer 357 prev_frame=359 start_position=359 i=359
-HistogramConfig::interpolate 150 0.260642 1.000000 0.811767
-TimeAvgMain::process_buffer 357 prev_frame=360 start_position=360 i=360
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-TimeAvgMain::process_buffer 357 prev_frame=361 start_position=361 i=361
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-TimeAvgMain::process_buffer 357 prev_frame=362 start_position=362 i=362
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-TimeAvgMain::process_buffer 357 prev_frame=363 start_position=363 i=363
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-TimeAvgMain::process_buffer 357 prev_frame=364 start_position=364 i=364
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-TimeAvgMain::process_buffer 357 prev_frame=365 start_position=365 i=365
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-TimeAvgMain::process_buffer 357 prev_frame=366 start_position=366 i=366
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-TimeAvgMain::process_buffer 357 prev_frame=367 start_position=367 i=367
-HistogramConfig::interpolate 150 0.264238 1.000000 0.812813
-TimeAvgMain::process_buffer 357 prev_frame=368 start_position=368 i=368
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-TimeAvgMain::process_buffer 357 prev_frame=369 start_position=369 i=369
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-TimeAvgMain::process_buffer 357 prev_frame=370 start_position=370 i=370
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-TimeAvgMain::process_buffer 357 prev_frame=375 start_position=375 i=375
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-TimeAvgMain::process_buffer 357 prev_frame=376 start_position=376 i=376
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-TimeAvgMain::process_buffer 357 prev_frame=377 start_position=377 i=377
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-TimeAvgMain::process_buffer 357 prev_frame=378 start_position=378 i=378
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-TimeAvgMain::process_buffer 357 prev_frame=379 start_position=379 i=379
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-TimeAvgMain::process_buffer 357 prev_frame=380 start_position=380 i=380
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-TimeAvgMain::process_buffer 357 prev_frame=381 start_position=381 i=381
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-TimeAvgMain::process_buffer 357 prev_frame=382 start_position=382 i=382
-HistogramConfig::interpolate 150 0.270980 1.000000 0.814775
-TimeAvgMain::process_buffer 357 prev_frame=383 start_position=383 i=383
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-TimeAvgMain::process_buffer 357 prev_frame=384 start_position=384 i=384
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-TimeAvgMain::process_buffer 357 prev_frame=385 start_position=385 i=385
-HistogramConfig::interpolate 150 0.272328 1.000000 0.815167
-TimeAvgMain::process_buffer 357 prev_frame=386 start_position=386 i=386
-HistogramConfig::interpolate 150 0.272777 1.000000 0.815297
-TimeAvgMain::process_buffer 357 prev_frame=387 start_position=387 i=387
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-TimeAvgMain::process_buffer 357 prev_frame=388 start_position=388 i=388
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-TimeAvgMain::process_buffer 357 prev_frame=389 start_position=389 i=389
-HistogramConfig::interpolate 150 0.274126 1.000000 0.815690
-TimeAvgMain::process_buffer 357 prev_frame=390 start_position=390 i=390
-HistogramConfig::interpolate 150 0.274575 1.000000 0.815820
-TimeAvgMain::process_buffer 357 prev_frame=391 start_position=391 i=391
-HistogramConfig::interpolate 150 0.275025 1.000000 0.815951
-TimeAvgMain::process_buffer 357 prev_frame=392 start_position=392 i=392
-HistogramConfig::interpolate 150 0.275474 1.000000 0.816082
-TimeAvgMain::process_buffer 357 prev_frame=393 start_position=393 i=393
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-TimeAvgMain::process_buffer 357 prev_frame=394 start_position=394 i=394
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-TimeAvgMain::process_buffer 357 prev_frame=395 start_position=395 i=395
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-TimeAvgMain::process_buffer 357 prev_frame=396 start_position=396 i=396
-HistogramConfig::interpolate 150 0.277272 1.000000 0.816605
-TimeAvgMain::process_buffer 357 prev_frame=397 start_position=397 i=397
-HistogramConfig::interpolate 150 0.277721 1.000000 0.816736
-TimeAvgMain::process_buffer 357 prev_frame=398 start_position=398 i=398
-HistogramConfig::interpolate 150 0.278171 1.000000 0.816866
-TimeAvgMain::process_buffer 357 prev_frame=399 start_position=399 i=399
-HistogramConfig::interpolate 150 0.278620 1.000000 0.816997
-TimeAvgMain::process_buffer 357 prev_frame=400 start_position=400 i=400
-HistogramConfig::interpolate 150 0.279070 1.000000 0.817128
-TimeAvgMain::process_buffer 357 prev_frame=401 start_position=401 i=401
-HistogramConfig::interpolate 150 0.279519 1.000000 0.817259
-TimeAvgMain::process_buffer 357 prev_frame=402 start_position=402 i=402
-HistogramConfig::interpolate 150 0.279968 1.000000 0.817389
-TimeAvgMain::process_buffer 357 prev_frame=403 start_position=403 i=403
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-TimeAvgMain::process_buffer 357 prev_frame=404 start_position=404 i=404
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-TimeAvgMain::process_buffer 357 prev_frame=405 start_position=405 i=405
-HistogramConfig::interpolate 150 0.281317 1.000000 0.817782
-TimeAvgMain::process_buffer 357 prev_frame=406 start_position=406 i=406
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-TimeAvgMain::process_buffer 357 prev_frame=407 start_position=407 i=407
-HistogramConfig::interpolate 150 0.282216 1.000000 0.818043
-TimeAvgMain::process_buffer 357 prev_frame=408 start_position=408 i=408
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-TimeAvgMain::process_buffer 357 prev_frame=409 start_position=409 i=409
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-TimeAvgMain::process_buffer 357 prev_frame=410 start_position=410 i=410
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-TimeAvgMain::process_buffer 357 prev_frame=411 start_position=411 i=411
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-TimeAvgMain::process_buffer 357 prev_frame=412 start_position=412 i=412
-HistogramConfig::interpolate 150 0.284463 1.000000 0.818697
-TimeAvgMain::process_buffer 357 prev_frame=413 start_position=413 i=413
-HistogramConfig::interpolate 150 0.284912 1.000000 0.818828
-TimeAvgMain::process_buffer 357 prev_frame=414 start_position=414 i=414
-HistogramConfig::interpolate 150 0.285362 1.000000 0.818958
-TimeAvgMain::process_buffer 357 prev_frame=415 start_position=415 i=415
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-TimeAvgMain::process_buffer 357 prev_frame=416 start_position=416 i=416
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-TimeAvgMain::process_buffer 357 prev_frame=417 start_position=417 i=417
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-TimeAvgMain::process_buffer 357 prev_frame=418 start_position=418 i=418
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-TimeAvgMain::process_buffer 357 prev_frame=363 start_position=363 i=363
-HistogramConfig::interpolate 150 0.262440 1.000000 0.812290
-TimeAvgMain::process_buffer 357 prev_frame=364 start_position=364 i=364
-HistogramConfig::interpolate 150 0.262890 1.000000 0.812421
-TimeAvgMain::process_buffer 357 prev_frame=365 start_position=365 i=365
-HistogramConfig::interpolate 150 0.263339 1.000000 0.812552
-TimeAvgMain::process_buffer 357 prev_frame=366 start_position=366 i=366
-HistogramConfig::interpolate 150 0.263788 1.000000 0.812683
-TimeAvgMain::process_buffer 357 prev_frame=367 start_position=367 i=367
-HistogramConfig::interpolate 150 0.264238 1.000000 0.812813
-TimeAvgMain::process_buffer 357 prev_frame=368 start_position=368 i=368
-HistogramConfig::interpolate 150 0.264687 1.000000 0.812944
-TimeAvgMain::process_buffer 357 prev_frame=369 start_position=369 i=369
-HistogramConfig::interpolate 150 0.265137 1.000000 0.813075
-TimeAvgMain::process_buffer 357 prev_frame=370 start_position=370 i=370
-HistogramConfig::interpolate 150 0.265586 1.000000 0.813206
-TimeAvgMain::process_buffer 357 prev_frame=371 start_position=371 i=371
-HistogramConfig::interpolate 150 0.266036 1.000000 0.813336
-TimeAvgMain::process_buffer 357 prev_frame=372 start_position=372 i=372
-HistogramConfig::interpolate 150 0.266485 1.000000 0.813467
-TimeAvgMain::process_buffer 357 prev_frame=373 start_position=373 i=373
-HistogramConfig::interpolate 150 0.266935 1.000000 0.813598
-TimeAvgMain::process_buffer 357 prev_frame=374 start_position=374 i=374
-HistogramConfig::interpolate 150 0.267384 1.000000 0.813729
-TimeAvgMain::process_buffer 357 prev_frame=375 start_position=375 i=375
-HistogramConfig::interpolate 150 0.267833 1.000000 0.813859
-TimeAvgMain::process_buffer 357 prev_frame=376 start_position=376 i=376
-HistogramConfig::interpolate 150 0.268283 1.000000 0.813990
-TimeAvgMain::process_buffer 357 prev_frame=377 start_position=377 i=377
-HistogramConfig::interpolate 150 0.268732 1.000000 0.814121
-TimeAvgMain::process_buffer 357 prev_frame=378 start_position=378 i=378
-HistogramConfig::interpolate 150 0.269182 1.000000 0.814251
-TimeAvgMain::process_buffer 357 prev_frame=379 start_position=379 i=379
-HistogramConfig::interpolate 150 0.269631 1.000000 0.814382
-TimeAvgMain::process_buffer 357 prev_frame=380 start_position=380 i=380
-HistogramConfig::interpolate 150 0.270081 1.000000 0.814513
-TimeAvgMain::process_buffer 357 prev_frame=381 start_position=381 i=381
-HistogramConfig::interpolate 150 0.270530 1.000000 0.814644
-TimeAvgMain::process_buffer 357 prev_frame=382 start_position=382 i=382
-HistogramConfig::interpolate 150 0.270980 1.000000 0.814775
-TimeAvgMain::process_buffer 357 prev_frame=383 start_position=383 i=383
-HistogramConfig::interpolate 150 0.271429 1.000000 0.814905
-TimeAvgMain::process_buffer 357 prev_frame=384 start_position=384 i=384
-HistogramConfig::interpolate 150 0.271878 1.000000 0.815036
-TimeAvgMain::process_buffer 357 prev_frame=385 start_position=385 i=385
-HistogramConfig::interpolate 150 0.272328 1.000000 0.815167
-TimeAvgMain::process_buffer 357 prev_frame=386 start_position=386 i=386
-HistogramConfig::interpolate 150 0.272777 1.000000 0.815297
-TimeAvgMain::process_buffer 357 prev_frame=387 start_position=387 i=387
-HistogramConfig::interpolate 150 0.273227 1.000000 0.815428
-TimeAvgMain::process_buffer 357 prev_frame=388 start_position=388 i=388
-HistogramConfig::interpolate 150 0.273676 1.000000 0.815559
-TimeAvgMain::process_buffer 357 prev_frame=389 start_position=389 i=389
-HistogramConfig::interpolate 150 0.274126 1.000000 0.815690
-TimeAvgMain::process_buffer 357 prev_frame=390 start_position=390 i=390
-HistogramConfig::interpolate 150 0.274575 1.000000 0.815820
-TimeAvgMain::process_buffer 357 prev_frame=391 start_position=391 i=391
-HistogramConfig::interpolate 150 0.275025 1.000000 0.815951
-TimeAvgMain::process_buffer 357 prev_frame=392 start_position=392 i=392
-HistogramConfig::interpolate 150 0.275474 1.000000 0.816082
-TimeAvgMain::process_buffer 357 prev_frame=393 start_position=393 i=393
-HistogramConfig::interpolate 150 0.275923 1.000000 0.816213
-TimeAvgMain::process_buffer 357 prev_frame=394 start_position=394 i=394
-HistogramConfig::interpolate 150 0.276373 1.000000 0.816343
-TimeAvgMain::process_buffer 357 prev_frame=395 start_position=395 i=395
-HistogramConfig::interpolate 150 0.276822 1.000000 0.816474
-TimeAvgMain::process_buffer 357 prev_frame=396 start_position=396 i=396
-HistogramConfig::interpolate 150 0.277272 1.000000 0.816605
-TimeAvgMain::process_buffer 357 prev_frame=397 start_position=397 i=397
-HistogramConfig::interpolate 150 0.277721 1.000000 0.816736
-TimeAvgMain::process_buffer 357 prev_frame=398 start_position=398 i=398
-HistogramConfig::interpolate 150 0.278171 1.000000 0.816866
-TimeAvgMain::process_buffer 357 prev_frame=399 start_position=399 i=399
-HistogramConfig::interpolate 150 0.278620 1.000000 0.816997
-TimeAvgMain::process_buffer 357 prev_frame=400 start_position=400 i=400
-HistogramConfig::interpolate 150 0.279070 1.000000 0.817128
-TimeAvgMain::process_buffer 357 prev_frame=401 start_position=401 i=401
-HistogramConfig::interpolate 150 0.279519 1.000000 0.817259
-TimeAvgMain::process_buffer 357 prev_frame=402 start_position=402 i=402
-HistogramConfig::interpolate 150 0.279968 1.000000 0.817389
-TimeAvgMain::process_buffer 357 prev_frame=403 start_position=403 i=403
-HistogramConfig::interpolate 150 0.280418 1.000000 0.817520
-TimeAvgMain::process_buffer 357 prev_frame=404 start_position=404 i=404
-HistogramConfig::interpolate 150 0.280867 1.000000 0.817651
-TimeAvgMain::process_buffer 357 prev_frame=405 start_position=405 i=405
-HistogramConfig::interpolate 150 0.281317 1.000000 0.817782
-TimeAvgMain::process_buffer 357 prev_frame=406 start_position=406 i=406
-HistogramConfig::interpolate 150 0.281766 1.000000 0.817912
-TimeAvgMain::process_buffer 357 prev_frame=407 start_position=407 i=407
-HistogramConfig::interpolate 150 0.282216 1.000000 0.818043
-TimeAvgMain::process_buffer 357 prev_frame=408 start_position=408 i=408
-HistogramConfig::interpolate 150 0.282665 1.000000 0.818174
-TimeAvgMain::process_buffer 357 prev_frame=409 start_position=409 i=409
-HistogramConfig::interpolate 150 0.283115 1.000000 0.818305
-TimeAvgMain::process_buffer 357 prev_frame=410 start_position=410 i=410
-HistogramConfig::interpolate 150 0.283564 1.000000 0.818435
-TimeAvgMain::process_buffer 357 prev_frame=411 start_position=411 i=411
-HistogramConfig::interpolate 150 0.284013 1.000000 0.818566
-TimeAvgMain::process_buffer 357 prev_frame=412 start_position=412 i=412
-HistogramConfig::interpolate 150 0.284463 1.000000 0.818697
-TimeAvgMain::process_buffer 357 prev_frame=413 start_position=413 i=413
-HistogramConfig::interpolate 150 0.284912 1.000000 0.818828
-TimeAvgMain::process_buffer 357 prev_frame=414 start_position=414 i=414
-HistogramConfig::interpolate 150 0.285362 1.000000 0.818958
-TimeAvgMain::process_buffer 357 prev_frame=415 start_position=415 i=415
-HistogramConfig::interpolate 150 0.285811 1.000000 0.819089
-TimeAvgMain::process_buffer 357 prev_frame=416 start_position=416 i=416
-HistogramConfig::interpolate 150 0.286261 1.000000 0.819220
-TimeAvgMain::process_buffer 357 prev_frame=417 start_position=417 i=417
-HistogramConfig::interpolate 150 0.286710 1.000000 0.819351
-TimeAvgMain::process_buffer 357 prev_frame=418 start_position=418 i=418
-HistogramConfig::interpolate 150 0.287160 1.000000 0.819481
-TimeAvgMain::process_buffer 357 prev_frame=419 start_position=419 i=419
-HistogramConfig::interpolate 150 0.287609 1.000000 0.819612
-TimeAvgMain::process_buffer 357 prev_frame=420 start_position=420 i=420
-HistogramConfig::interpolate 150 0.288058 1.000000 0.819743
-TimeAvgMain::process_buffer 357 prev_frame=421 start_position=421 i=421
-HistogramConfig::interpolate 150 0.288508 1.000000 0.819874
-TimeAvgMain::process_buffer 357 prev_frame=422 start_position=422 i=422
-HistogramConfig::interpolate 150 0.288957 1.000000 0.820004
-TimeAvgMain::process_buffer 357 prev_frame=423 start_position=423 i=423
-HistogramConfig::interpolate 150 0.289407 1.000000 0.820135
-TimeAvgMain::process_buffer 357 prev_frame=424 start_position=424 i=424
-HistogramConfig::interpolate 150 0.289856 1.000000 0.820266
-TimeAvgMain::process_buffer 357 prev_frame=425 start_position=425 i=425
-HistogramConfig::interpolate 150 0.290306 1.000000 0.820397
-TimeAvgMain::process_buffer 357 prev_frame=426 start_position=426 i=426
-HistogramConfig::interpolate 150 0.290755 1.000000 0.820527
-TimeAvgMain::process_buffer 357 prev_frame=427 start_position=427 i=427
-HistogramConfig::interpolate 150 0.291205 1.000000 0.820658
-TimeAvgMain::process_buffer 357 prev_frame=428 start_position=428 i=428
-HistogramConfig::interpolate 150 0.291654 1.000000 0.820789
-TimeAvgMain::process_buffer 357 prev_frame=429 start_position=429 i=429
-HistogramConfig::interpolate 150 0.292103 1.000000 0.820920
-TimeAvgMain::process_buffer 357 prev_frame=430 start_position=430 i=430
-HistogramConfig::interpolate 150 0.292553 1.000000 0.821050
-TimeAvgMain::process_buffer 357 prev_frame=431 start_position=431 i=431
-HistogramConfig::interpolate 150 0.293002 1.000000 0.821181
-TimeAvgMain::process_buffer 357 prev_frame=432 start_position=432 i=432
-HistogramConfig::interpolate 150 0.293452 1.000000 0.821312
-TimeAvgMain::process_buffer 357 prev_frame=433 start_position=433 i=433
diff --git a/cinelerra-5.1/plugins/histogram/histogram.C b/cinelerra-5.1/plugins/histogram/histogram.C
index ef886305..a2cf0c98 100644
--- a/cinelerra-5.1/plugins/histogram/histogram.C
+++ b/cinelerra-5.1/plugins/histogram/histogram.C
@@ -56,27 +56,14 @@ class HistogramEngine;
 class HistogramWindow;
 
 
-
-
-
 REGISTER_PLUGIN(HistogramMain)
 
-
-
-
-
-
-
-
-
 HistogramMain::HistogramMain(PluginServer *server)
  : PluginVClient(server)
 {
-
 	engine = 0;
 	stripe_engine = 0;
-	for(int i = 0; i < HISTOGRAM_MODES; i++)
-	{
+	for( int i=0; i<HISTOGRAM_MODES; ++i ) {
 		lookup[i] = 0;
 		accum[i] = 0;
 		preview_lookup[i] = 0;
@@ -97,8 +84,7 @@ HistogramMain::HistogramMain(PluginServer *server)
 HistogramMain::~HistogramMain()
 {
 
-	for(int i = 0; i < HISTOGRAM_MODES;i++)
-	{
+	for( int i=0; i<HISTOGRAM_MODES; ++i ) {
 		delete [] lookup[i];
 		delete [] accum[i];
 		delete [] preview_lookup[i];
@@ -119,39 +105,39 @@ LOAD_CONFIGURATION_MACRO(HistogramMain, HistogramConfig)
 
 void HistogramMain::render_gui(void *data)
 {
-	if(thread)
-	{
+	input = (VFrame*)data;
+	if( thread ) {
 // Process just the RGB values to determine the automatic points or
 // all the points if manual
-		if(!config.automatic)
-		{
+		if( !config.automatic ) {
 // Generate curves for value histogram
 // Lock out changes to curves
 			((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 1");
 			tabulate_curve(HISTOGRAM_RED, 0);
 			tabulate_curve(HISTOGRAM_GREEN, 0);
 			tabulate_curve(HISTOGRAM_BLUE, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_RED, 0x10000, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_GREEN, 0x10000, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_BLUE, 0x10000, 0);
 			((HistogramWindow*)thread->window)->unlock_window();
 		}
 
-		calculate_histogram((VFrame*)data, !config.automatic);
-
-
-		if(config.automatic)
-		{
-			calculate_automatic((VFrame*)data);
+		calculate_histogram(input, !config.automatic);
 
+		if( config.automatic ) {
+			calculate_automatic(input);
 // Generate curves for value histogram
 // Lock out changes to curves
 			((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 1");
 			tabulate_curve(HISTOGRAM_RED, 0);
 			tabulate_curve(HISTOGRAM_GREEN, 0);
 			tabulate_curve(HISTOGRAM_BLUE, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_RED, 0x10000, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_GREEN, 0x10000, 0);
+			tabulate_curve(preview_lookup, HISTOGRAM_BLUE, 0x10000, 0);
 			((HistogramWindow*)thread->window)->unlock_window();
-
-
 // Need a second pass to get the luminance values.
-			calculate_histogram((VFrame*)data, 1);
+			calculate_histogram(input, 1);
 		}
 
 		((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 2");
@@ -167,24 +153,16 @@ void HistogramMain::render_gui(void *data)
 
 void HistogramMain::update_gui()
 {
-	if(thread)
-	{
+	if( thread ) {
 		((HistogramWindow*)thread->window)->lock_window("HistogramMain::update_gui");
 		int reconfigure = load_configuration();
-		if(reconfigure)
-		{
-			((HistogramWindow*)thread->window)->update(1,
-				1,
-				1,
-				1);
-		}
+		if( reconfigure )
+			((HistogramWindow*)thread->window)->update(1, 1, 1, 1);
 		((HistogramWindow*)thread->window)->unlock_window();
 	}
 }
 
 
-
-
 void HistogramMain::save_data(KeyFrame *keyframe)
 {
 	FileXML output;
@@ -206,8 +184,7 @@ void HistogramMain::save_data(KeyFrame *keyframe)
 	output.tag.set_property("PARADE", parade);
 	output.tag.set_property("MODE", mode);
 
-	for(int i = 0; i < HISTOGRAM_MODES; i++)
-	{
+	for( int i=0; i<HISTOGRAM_MODES; ++i ) {
 		sprintf(string, "LOW_OUTPUT_%d", i);
 		output.tag.set_property(string, config.low_output[i]);
 		sprintf(string, "HIGH_OUTPUT_%d", i);
@@ -218,7 +195,6 @@ void HistogramMain::save_data(KeyFrame *keyframe)
 	   	output.tag.set_property(string, config.high_input[i]);
 		sprintf(string, "GAMMA_%d", i);
 	   	output.tag.set_property(string, config.gamma[i]);
-//printf("HistogramMain::save_data %d %f %d\n", config.input_min[i], config.input_mid[i], config.input_max[i]);
 	}
 
 	output.append_tag();
@@ -235,151 +211,106 @@ void HistogramMain::read_data(KeyFrame *keyframe)
 	input.set_shared_input(keyframe->xbuf);
 
 	int result = 0;
+	while( !(result = input.read_tag()) ) {
+		if( input.tag.title_is("HISTOGRAM") ) {
+			config.automatic = input.tag.get_property("AUTOMATIC", config.automatic);
+			config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
+			config.plot = input.tag.get_property("PLOT", config.plot);
+			config.split = input.tag.get_property("SPLIT", config.split);
+			config.frames = input.tag.get_property("FRAMES", config.frames);
+			config.log_slider = input.tag.get_property("LOG_SLIDER", config.log_slider);
+
+			if( is_defaults() ) {
+				w = input.tag.get_property("W", w);
+				h = input.tag.get_property("H", h);
+				parade = input.tag.get_property("PARADE", parade);
+				mode = input.tag.get_property("MODE", mode);
+			}
 
-
-	while(!result)
-	{
-		result = input.read_tag();
-
-		if(!result)
-		{
-			if(input.tag.title_is("HISTOGRAM"))
-			{
-				config.automatic = input.tag.get_property("AUTOMATIC", config.automatic);
-				config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
-				config.plot = input.tag.get_property("PLOT", config.plot);
-				config.split = input.tag.get_property("SPLIT", config.split);
-				config.frames = input.tag.get_property("FRAMES", config.frames);
-				config.log_slider = input.tag.get_property("LOG_SLIDER", config.log_slider);
-
-				if(is_defaults())
-				{
-					w = input.tag.get_property("W", w);
-					h = input.tag.get_property("H", h);
-					parade = input.tag.get_property("PARADE", parade);
-					mode = input.tag.get_property("MODE", mode);
-				}
-
-				char string[BCTEXTLEN];
-				for(int i = 0; i < HISTOGRAM_MODES; i++)
-				{
-					sprintf(string, "LOW_OUTPUT_%d", i);
-					config.low_output[i] = input.tag.get_property(string, config.low_output[i]);
-					sprintf(string, "HIGH_OUTPUT_%d", i);
-					config.high_output[i] = input.tag.get_property(string, config.high_output[i]);
-					sprintf(string, "GAMMA_%d", i);
-					config.gamma[i] = input.tag.get_property(string, config.gamma[i]);
-
-					if(i == HISTOGRAM_VALUE || !config.automatic)
-					{
-						sprintf(string, "LOW_INPUT_%d", i);
-						config.low_input[i] = input.tag.get_property(string, config.low_input[i]);
-						sprintf(string, "HIGH_INPUT_%d", i);
-						config.high_input[i] = input.tag.get_property(string, config.high_input[i]);
-					}
-//printf("HistogramMain::read_data %d %f %d\n", config.input_min[i], config.input_mid[i], config.input_max[i]);
+			char string[BCTEXTLEN];
+			for( int i=0; i<HISTOGRAM_MODES; ++i ) {
+				sprintf(string, "LOW_OUTPUT_%d", i);
+				config.low_output[i] = input.tag.get_property(string, config.low_output[i]);
+				sprintf(string, "HIGH_OUTPUT_%d", i);
+				config.high_output[i] = input.tag.get_property(string, config.high_output[i]);
+				sprintf(string, "GAMMA_%d", i);
+				config.gamma[i] = input.tag.get_property(string, config.gamma[i]);
+
+				if( i == HISTOGRAM_VALUE || !config.automatic ) {
+					sprintf(string, "LOW_INPUT_%d", i);
+					config.low_input[i] = input.tag.get_property(string, config.low_input[i]);
+					sprintf(string, "HIGH_INPUT_%d", i);
+					config.high_input[i] = input.tag.get_property(string, config.high_input[i]);
 				}
 			}
 		}
 	}
 
 	config.boundaries();
-
 }
 
-float HistogramMain::calculate_level(float input,
-	int mode,
-	int use_value)
+float HistogramMain::calculate_level(float input, int mode, int use_value)
 {
 	float output = 0.0;
 
 // Scale to input range
-	if(!EQUIV(config.high_input[mode], config.low_input[mode]))
-	{
+	if( !EQUIV(config.high_input[mode], config.low_input[mode]) ) {
 		output = input < config.low_input[mode] ? 0 :
 		    (input - config.low_input[mode]) /
 			(config.high_input[mode] - config.low_input[mode]);
 	}
 	else
-	{
 		output = input;
-	}
-
-
 
-	if(!EQUIV(config.gamma[mode], 0))
-	{
+	if( !EQUIV(config.gamma[mode], 0) ) {
 		output = pow(output, 1.0 / config.gamma[mode]);
 		CLAMP(output, 0, 1.0);
 	}
 
 // Apply value curve
-	if(use_value && mode != HISTOGRAM_VALUE)
-	{
+	if( use_value && mode != HISTOGRAM_VALUE )
 		output = calculate_level(output, HISTOGRAM_VALUE, 0);
-	}
-
-
-
 
 // scale to output range
-	if(!EQUIV(config.low_output[mode], config.high_output[mode]))
-	{
+	if( !EQUIV(config.low_output[mode], config.high_output[mode]) ) {
 		output = output * (config.high_output[mode] - config.low_output[mode]) +
 			config.low_output[mode];
 	}
 
 	CLAMP(output, 0, 1.0);
-
 	return output;
 }
 
-
-
 void HistogramMain::calculate_histogram(VFrame *data, int do_value)
 {
-	if( !engine )
-	{
+	if( !engine ) {
 		int cpus = data->get_w() * data->get_h() / 0x80000 + 2;
 		int smps = get_project_smp();
 		if( cpus > smps ) cpus = smps;
 		engine = new HistogramEngine(this, cpus, cpus);
 	}
-	if(!accum[0])
-	{
-		for(int i = 0; i < HISTOGRAM_MODES; i++)
+	if( !accum[0] ) {
+		for( int i=0; i<HISTOGRAM_MODES; ++i )
 			accum[i] = new int[HISTOGRAM_SLOTS];
 	}
 
 	engine->process_packages(HistogramEngine::HISTOGRAM, data, do_value);
 
-	for(int i = 0; i < engine->get_total_clients(); i++)
-	{
-		HistogramUnit *unit = (HistogramUnit*)engine->get_client(i);
+	HistogramUnit *unit = (HistogramUnit*)engine->get_client(0);
+	for( int i=0; i<HISTOGRAM_MODES; ++i )
+		memcpy(accum[i], unit->accum[i], sizeof(int)*HISTOGRAM_SLOTS);
 
-		if(i == 0)
-		{
-			for(int j = 0; j < HISTOGRAM_MODES; j++)
-			{
-				memcpy(accum[j], unit->accum[j], sizeof(int) * HISTOGRAM_SLOTS);
-			}
-		}
-		else
-		{
-			for(int j = 0; j < HISTOGRAM_MODES; j++)
-			{
-				int *out = accum[j];
-				int *in = unit->accum[j];
-				for(int k = 0; k < HISTOGRAM_SLOTS; k++)
-					out[k] += in[k];
-			}
+	for( int i=1,n=engine->get_total_clients(); i<n; ++i ) {
+		unit = (HistogramUnit*)engine->get_client(i);
+		for( int j=0; j<HISTOGRAM_MODES; ++j ) {
+			int *in = unit->accum[j], *out = accum[j];
+			for( int k=HISTOGRAM_SLOTS; --k>=0; ) *out++ += *in++;
 		}
 	}
 
 // Remove top and bottom from calculations.  Doesn't work in high
 // precision colormodels.
-	for(int i = 0; i < HISTOGRAM_MODES; i++)
-	{
+	for( int i=0; i<HISTOGRAM_MODES; ++i ) {
 		accum[i][0] = 0;
 		accum[i][HISTOGRAM_SLOTS - 1] = 0;
 	}
@@ -392,49 +323,37 @@ void HistogramMain::calculate_automatic(VFrame *data)
 	config.reset_points(1);
 
 // Do each channel
-	for(int i = 0; i < 3; i++)
-	{
+	for( int i=0; i<3; ++i ) {
 		int *accum = this->accum[i];
 		int pixels = data->get_w() * data->get_h();
 		float white_fraction = 1.0 - (1.0 - config.threshold) / 2;
 		int threshold = (int)(white_fraction * pixels);
-		int total = 0;
-		float max_level = 1.0;
-		float min_level = 0.0;
+		float min_level = 0.0, max_level = 1.0;
 
 // Get histogram slot above threshold of pixels
-		for(int j = 0; j < HISTOGRAM_SLOTS; j++)
-		{
+		for( int j=0, total=0; j<HISTOGRAM_SLOTS; ++j ) {
 			total += accum[j];
-			if(total >= threshold)
-			{
+			if( total >= threshold ) {
 				max_level = (float)j / HISTOGRAM_SLOTS * FLOAT_RANGE + HIST_MIN_INPUT;
 				break;
 			}
 		}
 
 // Get slot below 99% of pixels
-		total = 0;
-		for(int j = HISTOGRAM_SLOTS - 1; j >= 0; j--)
-		{
+		for( int j=HISTOGRAM_SLOTS, total=0; --j> 0; ) {
 			total += accum[j];
-			if(total >= threshold)
-			{
+			if( total >= threshold ) {
 				min_level = (float)j / HISTOGRAM_SLOTS * FLOAT_RANGE + HIST_MIN_INPUT;
 				break;
 			}
 		}
 
-
 		config.low_input[i] = min_level;
 		config.high_input[i] = max_level;
 	}
 }
 
 
-
-
-
 int HistogramMain::calculate_use_opengl()
 {
 // glHistogram doesn't work.
@@ -536,98 +455,42 @@ int HistogramMain::process_buffer(VFrame *frame,
 // table to avoid green borders
 
 
-	if(need_reconfigure ||
-		!lookup[0] ||
-		config.automatic)
-	{
+	if( need_reconfigure || !lookup[0] || config.automatic ) {
 // Calculate new curves
-		if(config.automatic)
-		{
+		if( config.automatic )
 			calculate_automatic(input);
-		}
-
-
 // Generate transfer tables with value function for integer colormodels.
-		for(int i = 0; i < 3; i++)
+		for( int i=0; i<3; ++i )
 			tabulate_curve(i, 1);
 	}
 
-// printf("HistogramMain::process_buffer %d %f %f %f  %f %f %f  %f %f %f\n",
-// __LINE__,
-// config.low_input[HISTOGRAM_RED],
-// config.gamma[HISTOGRAM_RED],
-// config.high_input[HISTOGRAM_RED],
-// config.low_input[HISTOGRAM_GREEN],
-// config.gamma[HISTOGRAM_GREEN],
-// config.high_input[HISTOGRAM_GREEN],
-// config.low_input[HISTOGRAM_BLUE],
-// config.gamma[HISTOGRAM_BLUE],
-// config.high_input[HISTOGRAM_BLUE]);
-
 // Apply histogram in hardware
-	if(use_opengl) return run_opengl();
+	if( use_opengl )
+		return run_opengl();
 
 // Apply histogram
 	engine->process_packages(HistogramEngine::APPLY, input, 0);
 	return 0;
 }
 
-void HistogramMain::tabulate_curve(int subscript, int use_value)
+void HistogramMain::tabulate_curve(int **table, int idx, int len, int use_value)
 {
-	int i;
-	if(!lookup[subscript])
-		lookup[subscript] = new int[HISTOGRAM_SLOTS];
-	if(!preview_lookup[subscript])
-		preview_lookup[subscript] = new int[HISTOGRAM_SLOTS];
-
-//printf("HistogramMain::tabulate_curve %d input=%p\n", __LINE__, input);
-
-
-// Generate lookup tables for integer colormodels
-	if(input)
-	{
-		switch(input->get_color_model())
-		{
-			case BC_RGB888:
-			case BC_RGBA8888:
-				for(i = 0; i < 0x100; i++)
-				{
-					lookup[subscript][i] =
-						(int)(calculate_level((float)i / 0xff, subscript, use_value) *
-						0xff);
-					CLAMP(lookup[subscript][i], 0, 0xff);
-				}
-				break;
-// All other integer colormodels are converted to 16 bit RGB
-			default:
-				for(i = 0; i < 0x10000; i++)
-				{
-					lookup[subscript][i] =
-						(int)(calculate_level((float)i / 0xffff, subscript, use_value) *
-						0xffff);
-					CLAMP(lookup[subscript][i], 0, 0xffff);
-				}
-// for(i = 0; i < 0x100; i++)
-// {
-// if(subscript == HISTOGRAM_BLUE) printf("%d ", lookup[subscript][i * 0x100]);
-// }
-// if(subscript == HISTOGRAM_BLUE) printf("\n");
-
-				break;
-		}
+	if( !table[idx] )  // must use max demand here
+		table[idx] = new int[0x10000];
+	int *curve = table[idx], len1 = len-1;
+	for( int i=0; i<len; ++i ) {
+		curve[i] = calculate_level((float)i/len1, idx, use_value) * len1;
+		CLAMP(curve[i], 0, len1);
 	}
+}
 
-// Lookup table for preview only used for GUI
-	if(!use_value)
-	{
-		for(i = 0; i < 0x10000; i++)
-		{
-			preview_lookup[subscript][i] =
-				(int)(calculate_level((float)i / 0xffff, subscript, use_value) *
-				0xffff);
-			CLAMP(preview_lookup[subscript][i], 0, 0xffff);
-		}
-	}
+void HistogramMain::tabulate_curve(int idx, int use_value)
+{
+// uint8 rgb is 8 bit, all others are converted to 16 bit RGB
+	int color_model = input->get_color_model();
+	int lookup_len = color_model == BC_RGB888 ||
+		  color_model == BC_RGBA8888 ? 0x100 : 0x10000;
+	tabulate_curve(lookup, idx, lookup_len, use_value);
 }
 
 int HistogramMain::handle_opengl()
@@ -1026,55 +889,37 @@ HistogramUnit::~HistogramUnit()
 void HistogramUnit::process_package(LoadPackage *package)
 {
 	HistogramPackage *pkg = (HistogramPackage*)package;
-
-	if(server->operation == HistogramEngine::HISTOGRAM)
-	{
+	switch( server->operation ) {
+	case HistogramEngine::HISTOGRAM: {
 		int do_value = server->do_value;
+		const int hmin = HISTOGRAM_MIN * 0xffff / 100;
+		const int slots1 = HISTOGRAM_SLOTS-1;
 
-
-#define HISTOGRAM_HEAD(type) \
-{ \
-	for(int i = pkg->start; i < pkg->end; i++) \
-	{ \
-		type *row = (type*)data->get_rows()[i]; \
-		for(int j = 0; j < w; j++) \
-		{
+#define HISTOGRAM_HEAD(type) { \
+	type **rows = (type**)data->get_rows(); \
+	for( int iy=pkg->start; iy<pkg->end; ++iy ) { \
+		type *row = rows[iy]; \
+		for( int ix=0; ix<w; ++ix ) {
 
 #define HISTOGRAM_TAIL(components) \
-/* Value takes the maximum of the output RGB values */ \
-			if(do_value) \
-			{ \
-				CLAMP(r, 0, HISTOGRAM_SLOTS - 1); \
-				CLAMP(g, 0, HISTOGRAM_SLOTS - 1); \
-				CLAMP(b, 0, HISTOGRAM_SLOTS - 1); \
-				r_out = lookup_r[r]; \
-				g_out = lookup_g[g]; \
-				b_out = lookup_b[b]; \
+			if( do_value ) { \
+				r_out = preview_r[bclip(r, 0, 0xffff)]; \
+				g_out = preview_g[bclip(g, 0, 0xffff)]; \
+				b_out = preview_b[bclip(b, 0, 0xffff)]; \
 /*				v = (r * 76 + g * 150 + b * 29) >> 8; */ \
-				v = MAX(r_out, g_out); \
-				v = MAX(v, b_out); \
-				v += -HISTOGRAM_MIN * 0xffff / 100; \
-				CLAMP(v, 0, HISTOGRAM_SLOTS - 1); \
-				accum_v[v]++; \
+/* Value takes the maximum of the output RGB values */ \
+				v = MAX(r_out, g_out); v = MAX(v, b_out); \
+				++accum_v[bclip(v -= hmin, 0, slots1)]; \
 			} \
  \
-			r += -HISTOGRAM_MIN * 0xffff / 100; \
-			g += -HISTOGRAM_MIN * 0xffff / 100; \
-			b += -HISTOGRAM_MIN * 0xffff / 100; \
-			CLAMP(r, 0, HISTOGRAM_SLOTS - 1); \
-			CLAMP(g, 0, HISTOGRAM_SLOTS - 1); \
-			CLAMP(b, 0, HISTOGRAM_SLOTS - 1); \
-			accum_r[r]++; \
-			accum_g[g]++; \
-			accum_b[b]++; \
+			++accum_r[bclip(r -= hmin, 0, slots1)]; \
+			++accum_g[bclip(g -= hmin, 0, slots1)]; \
+			++accum_b[bclip(b -= hmin, 0, slots1)]; \
 			row += components; \
 		} \
 	} \
 }
 
-
-
-
 		VFrame *data = server->data;
 		int w = data->get_w();
 		//int h = data->get_h();
@@ -1084,103 +929,96 @@ void HistogramUnit::process_package(LoadPackage *package)
 		int *accum_v = accum[HISTOGRAM_VALUE];
 		int32_t r, g, b, y, u, v;
 		int r_out, g_out, b_out;
-		int *lookup_r = plugin->preview_lookup[HISTOGRAM_RED];
-		int *lookup_g = plugin->preview_lookup[HISTOGRAM_GREEN];
-		int *lookup_b = plugin->preview_lookup[HISTOGRAM_BLUE];
-
-		switch(data->get_color_model())
-		{
-			case BC_RGB888:
-				HISTOGRAM_HEAD(unsigned char)
-				r = (row[0] << 8) | row[0];
-				g = (row[1] << 8) | row[1];
-				b = (row[2] << 8) | row[2];
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_RGB_FLOAT:
-				HISTOGRAM_HEAD(float)
-				r = (int)(row[0] * 0xffff);
-				g = (int)(row[1] * 0xffff);
-				b = (int)(row[2] * 0xffff);
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_YUV888:
-				HISTOGRAM_HEAD(unsigned char)
-				y = (row[0] << 8) | row[0];
-				u = (row[1] << 8) | row[1];
-				v = (row[2] << 8) | row[2];
-				YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_RGBA8888:
-				HISTOGRAM_HEAD(unsigned char)
-				r = (row[0] << 8) | row[0];
-				g = (row[1] << 8) | row[1];
-				b = (row[2] << 8) | row[2];
-				HISTOGRAM_TAIL(4)
-				break;
-			case BC_RGBA_FLOAT:
-				HISTOGRAM_HEAD(float)
-				r = (int)(row[0] * 0xffff);
-				g = (int)(row[1] * 0xffff);
-				b = (int)(row[2] * 0xffff);
-				HISTOGRAM_TAIL(4)
-				break;
-			case BC_YUVA8888:
-				HISTOGRAM_HEAD(unsigned char)
-				y = (row[0] << 8) | row[0];
-				u = (row[1] << 8) | row[1];
-				v = (row[2] << 8) | row[2];
-				YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
-				HISTOGRAM_TAIL(4)
-				break;
-			case BC_RGB161616:
-				HISTOGRAM_HEAD(uint16_t)
-				r = row[0];
-				g = row[1];
-				b = row[2];
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_YUV161616:
-				HISTOGRAM_HEAD(uint16_t)
-				y = row[0];
-				u = row[1];
-				v = row[2];
-				YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_RGBA16161616:
-				HISTOGRAM_HEAD(uint16_t)
-				r = row[0];
-				g = row[1];
-				b = row[2];
-				HISTOGRAM_TAIL(3)
-				break;
-			case BC_YUVA16161616:
-				HISTOGRAM_HEAD(uint16_t)
-				y = row[0];
-				u = row[1];
-				v = row[2];
-				YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
-				HISTOGRAM_TAIL(4)
-				break;
+		int *preview_r = plugin->preview_lookup[HISTOGRAM_RED];
+		int *preview_g = plugin->preview_lookup[HISTOGRAM_GREEN];
+		int *preview_b = plugin->preview_lookup[HISTOGRAM_BLUE];
+
+		switch( data->get_color_model() ) {
+		case BC_RGB888:
+			HISTOGRAM_HEAD(unsigned char)
+			r = (row[0] << 8) | row[0];
+			g = (row[1] << 8) | row[1];
+			b = (row[2] << 8) | row[2];
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_RGB_FLOAT:
+			HISTOGRAM_HEAD(float)
+			r = (int)(row[0] * 0xffff);
+			g = (int)(row[1] * 0xffff);
+			b = (int)(row[2] * 0xffff);
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_YUV888:
+			HISTOGRAM_HEAD(unsigned char)
+			y = (row[0] << 8) | row[0];
+			u = (row[1] << 8) | row[1];
+			v = (row[2] << 8) | row[2];
+			YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_RGBA8888:
+			HISTOGRAM_HEAD(unsigned char)
+			r = (row[0] << 8) | row[0];
+			g = (row[1] << 8) | row[1];
+			b = (row[2] << 8) | row[2];
+			HISTOGRAM_TAIL(4)
+			break;
+		case BC_RGBA_FLOAT:
+			HISTOGRAM_HEAD(float)
+			r = (int)(row[0] * 0xffff);
+			g = (int)(row[1] * 0xffff);
+			b = (int)(row[2] * 0xffff);
+			HISTOGRAM_TAIL(4)
+			break;
+		case BC_YUVA8888:
+			HISTOGRAM_HEAD(unsigned char)
+			y = (row[0] << 8) | row[0];
+			u = (row[1] << 8) | row[1];
+			v = (row[2] << 8) | row[2];
+			YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
+			HISTOGRAM_TAIL(4)
+			break;
+		case BC_RGB161616:
+			HISTOGRAM_HEAD(uint16_t)
+			r = row[0];
+			g = row[1];
+			b = row[2];
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_YUV161616:
+			HISTOGRAM_HEAD(uint16_t)
+			y = row[0];
+			u = row[1];
+			v = row[2];
+			YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_RGBA16161616:
+			HISTOGRAM_HEAD(uint16_t)
+			r = row[0];
+			g = row[1];
+			b = row[2];
+			HISTOGRAM_TAIL(3)
+			break;
+		case BC_YUVA16161616:
+			HISTOGRAM_HEAD(uint16_t)
+			y = row[0];
+			u = row[1];
+			v = row[2];
+			YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
+			HISTOGRAM_TAIL(4)
+			break;
 		}
-	}
-	else
-	if(server->operation == HistogramEngine::APPLY)
-	{
-
-
-
-#define PROCESS(type, components) \
-{ \
-	for(int i = pkg->start; i < pkg->end; i++) \
-	{ \
-		type *row = (type*)input->get_rows()[i]; \
-		for(int j = 0; j < w; j++) \
-		{ \
-			if ( plugin->config.split && ((j + i * w / h) < w) ) \
-		    	continue; \
+		break; }
+	case HistogramEngine::APPLY: {
+
+#define PROCESS(type, components) { \
+	type **rows = (type**)input->get_rows(); \
+	for( int iy=pkg->start; iy<pkg->end; ++iy ) { \
+		type *row = rows[iy]; \
+		for( int ix=0; ix<w; ++ix ) { \
+			if( plugin->config.split && ((ix + (iy*w)/h) < w) ) \
+		    		continue; \
 			row[0] = lookup_r[row[0]]; \
 			row[1] = lookup_g[row[1]]; \
 			row[2] = lookup_b[row[2]]; \
@@ -1189,47 +1027,36 @@ void HistogramUnit::process_package(LoadPackage *package)
 	} \
 }
 
-#define PROCESS_YUV(type, components, max) \
-{ \
-	for(int i = pkg->start; i < pkg->end; i++) \
-	{ \
-		type *row = (type*)input->get_rows()[i]; \
-		for(int j = 0; j < w; j++) \
-		{ \
-			if ( plugin->config.split && ((j + i * w / h) < w) ) \
-		    	continue; \
-/* Convert to 16 bit RGB */ \
-			if(max == 0xff) \
-			{ \
+#define PROCESS_YUV(type, components, max) { \
+	type **rows = (type**)input->get_rows(); \
+	for( int iy=pkg->start; iy<pkg->end; ++iy ) { \
+		type *row = rows[iy]; \
+		for( int ix=0; ix<w; ++ix ) { \
+			if( plugin->config.split && ((ix + (iy*w)/h) < w) ) \
+		    		continue; \
+			if( max == 0xff ) { /* Convert to 16 bit RGB */ \
 				y = (row[0] << 8) | row[0]; \
 				u = (row[1] << 8) | row[1]; \
 				v = (row[2] << 8) | row[2]; \
 			} \
-			else \
-			{ \
+			else { \
 				y = row[0]; \
 				u = row[1]; \
 				v = row[2]; \
 			} \
- \
 			YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v); \
- \
 /* Look up in RGB domain */ \
 			r = lookup_r[r]; \
 			g = lookup_g[g]; \
 			b = lookup_b[b]; \
- \
 /* Convert to 16 bit YUV */ \
 			YUV::yuv.rgb_to_yuv_16(r, g, b, y, u, v); \
- \
-			if(max == 0xff) \
-			{ \
+			if( max == 0xff ) { \
 				row[0] = y >> 8; \
 				row[1] = u >> 8; \
 				row[2] = v >> 8; \
 			} \
-			else \
-			{ \
+			else { \
 				row[0] = y; \
 				row[1] = u; \
 				row[2] = v; \
@@ -1239,33 +1066,24 @@ void HistogramUnit::process_package(LoadPackage *package)
 	} \
 }
 
-#define PROCESS_FLOAT(components) \
-{ \
-	for(int i = pkg->start; i < pkg->end; i++) \
-	{ \
-		float *row = (float*)input->get_rows()[i]; \
-		for(int j = 0; j < w; j++) \
-		{ \
-			if ( plugin->config.split && ((j + i * w / h) < w) ) \
-		    	continue; \
-			float r = row[0]; \
-			float g = row[1]; \
-			float b = row[2]; \
- \
-			r = plugin->calculate_level(r, HISTOGRAM_RED, 1); \
-			g = plugin->calculate_level(g, HISTOGRAM_GREEN, 1); \
-			b = plugin->calculate_level(b, HISTOGRAM_BLUE, 1); \
- \
- 			row[0] = r; \
-			row[1] = g; \
-			row[2] = b; \
- \
+#define PROCESS_FLOAT(components) { \
+	float **rows = (float**)input->get_rows(); \
+	for( int iy=pkg->start; iy<pkg->end; ++iy ) { \
+		float *row = rows[iy]; \
+		for( int ix=0; ix<w; ++ix ) { \
+			if( plugin->config.split && ((ix + (iy*w)/h) < w) ) \
+		    		continue; \
+			float fr = row[0]; \
+			float fg = row[1]; \
+			float fb = row[2]; \
+			row[0]  = plugin->calculate_level(fr, HISTOGRAM_RED, 1); \
+			row[1]  = plugin->calculate_level(fg, HISTOGRAM_GREEN, 1); \
+			row[2]  = plugin->calculate_level(fb, HISTOGRAM_BLUE, 1); \
 			row += components; \
 		} \
 	} \
 }
 
-
 		VFrame *input = plugin->input;
 		//VFrame *output = plugin->output;
 		int w = input->get_w();
@@ -1274,50 +1092,45 @@ void HistogramUnit::process_package(LoadPackage *package)
 		int *lookup_g = plugin->lookup[1];
 		int *lookup_b = plugin->lookup[2];
 		int r, g, b, y, u, v;
-		switch(input->get_color_model())
-		{
-			case BC_RGB888:
-				PROCESS(unsigned char, 3)
-				break;
-			case BC_RGB_FLOAT:
-				PROCESS_FLOAT(3);
-				break;
-			case BC_RGBA8888:
-				PROCESS(unsigned char, 4)
-				break;
-			case BC_RGBA_FLOAT:
-				PROCESS_FLOAT(4);
-				break;
-			case BC_RGB161616:
-				PROCESS(uint16_t, 3)
-				break;
-			case BC_RGBA16161616:
-				PROCESS(uint16_t, 4)
-				break;
-			case BC_YUV888:
-				PROCESS_YUV(unsigned char, 3, 0xff)
-				break;
-			case BC_YUVA8888:
-				PROCESS_YUV(unsigned char, 4, 0xff)
-				break;
-			case BC_YUV161616:
-				PROCESS_YUV(uint16_t, 3, 0xffff)
-				break;
-			case BC_YUVA16161616:
-				PROCESS_YUV(uint16_t, 4, 0xffff)
-				break;
+		switch( input->get_color_model() ) {
+		case BC_RGB888:
+			PROCESS(unsigned char, 3)
+			break;
+		case BC_RGB_FLOAT:
+			PROCESS_FLOAT(3);
+			break;
+		case BC_RGBA8888:
+			PROCESS(unsigned char, 4)
+			break;
+		case BC_RGBA_FLOAT:
+			PROCESS_FLOAT(4);
+			break;
+		case BC_RGB161616:
+			PROCESS(uint16_t, 3)
+			break;
+		case BC_RGBA16161616:
+			PROCESS(uint16_t, 4)
+			break;
+		case BC_YUV888:
+			PROCESS_YUV(unsigned char, 3, 0xff)
+			break;
+		case BC_YUVA8888:
+			PROCESS_YUV(unsigned char, 4, 0xff)
+			break;
+		case BC_YUV161616:
+			PROCESS_YUV(uint16_t, 3, 0xffff)
+			break;
+		case BC_YUVA16161616:
+			PROCESS_YUV(uint16_t, 4, 0xffff)
+			break;
 		}
+		break; }
 	}
 }
 
 
-
-
-
-
 HistogramEngine::HistogramEngine(HistogramMain *plugin,
-	int total_clients,
-	int total_packages)
+	int total_clients, int total_packages)
  : LoadServer(total_clients, total_packages)
 {
 	this->plugin = plugin;
@@ -1325,35 +1138,29 @@ HistogramEngine::HistogramEngine(HistogramMain *plugin,
 
 void HistogramEngine::init_packages()
 {
-	switch(operation)
-	{
-		case HISTOGRAM:
-			total_size = data->get_h();
-			break;
-		case APPLY:
-			total_size = data->get_h();
-			break;
+	switch(operation) {
+	case HISTOGRAM:
+		total_size = data->get_h();
+		break;
+	case APPLY:
+		total_size = data->get_h();
+		break;
 	}
 
-
-	//int package_size = (int)((float)total_size / get_total_packages() + 1);
-	//int start = 0;
-
-	for(int i = 0; i < get_total_packages(); i++)
-	{
+	int start = 0;
+	for( int i=0,n=get_total_packages(); i<n; ++i ) {
 		HistogramPackage *package = (HistogramPackage*)get_package(i);
-		package->start = total_size * i / get_total_packages();
-		package->end = total_size * (i + 1) / get_total_packages();
+		package->start = start;
+		package->end = total_size * (i+1)/n;
+		start = package->end;
 	}
 
 // Initialize clients here in case some don't get run.
-	for(int i = 0; i < get_total_clients(); i++)
-	{
+	for( int i=0,n=get_total_clients(); i<n; ++i ) {
 		HistogramUnit *unit = (HistogramUnit*)get_client(i);
-		for(int i = 0; i < HISTOGRAM_MODES; i++)
-			bzero(unit->accum[i], sizeof(int) * HISTOGRAM_SLOTS);
+		for( int j=0; j<HISTOGRAM_MODES; ++j )
+			bzero(unit->accum[j], sizeof(int) * HISTOGRAM_SLOTS);
 	}
-
 }
 
 LoadClient* HistogramEngine::new_client()
diff --git a/cinelerra-5.1/plugins/histogram/histogram.h b/cinelerra-5.1/plugins/histogram/histogram.h
index 9aa4747a..00512438 100644
--- a/cinelerra-5.1/plugins/histogram/histogram.h
+++ b/cinelerra-5.1/plugins/histogram/histogram.h
@@ -60,9 +60,8 @@ public:
 // Value is only calculated for preview.
 	void calculate_histogram(VFrame *data, int do_value);
 // Calculate the linear, smoothed, lookup curves
-	void tabulate_curve(int subscript, int use_value);
-
-
+	void tabulate_curve(int **table, int idx, int len, int use_value);
+	void tabulate_curve(int idx, int use_value);
 
 
 	VFrame *input, *output;
diff --git a/cinelerra-5.1/plugins/histogram/histogramwindow.C b/cinelerra-5.1/plugins/histogram/histogramwindow.C
index 8acb53fc..3261fbc9 100644
--- a/cinelerra-5.1/plugins/histogram/histogramwindow.C
+++ b/cinelerra-5.1/plugins/histogram/histogramwindow.C
@@ -60,63 +60,34 @@ void HistogramWindow::create_objects()
 	int margin = plugin->get_theme()->widget_border;
 	int x = margin, y = margin, x1 = margin;
 
-	add_subwindow(mode_v = new HistogramMode(plugin,
-		x,
-		y,
-		HISTOGRAM_VALUE,
-		_("Value")));
+	add_subwindow(mode_v = new HistogramMode(plugin, x, y,
+		HISTOGRAM_VALUE, _("Value")));
 	x += mode_v->get_w() + margin;
-	add_subwindow(mode_r = new HistogramMode(plugin,
-		x,
-		y,
-		HISTOGRAM_RED,
-		_("Red")));
+	add_subwindow(mode_r = new HistogramMode(plugin, x, y,
+		HISTOGRAM_RED, _("Red")));
 	x += mode_r->get_w() + margin;
-	add_subwindow(mode_g = new HistogramMode(plugin,
-		x,
-		y,
-		HISTOGRAM_GREEN,
-		_("Green")));
+	add_subwindow(mode_g = new HistogramMode(plugin, x, y,
+		HISTOGRAM_GREEN, _("Green")));
 	x += mode_g->get_w() + margin;
-	add_subwindow(mode_b = new HistogramMode(plugin,
-		x,
-		y,
-		HISTOGRAM_BLUE,
-		_("Blue")));
-
-
+	add_subwindow(mode_b = new HistogramMode(plugin, x, y,
+		HISTOGRAM_BLUE, _("Blue")));
 	x = get_w() - margin - plugin->get_theme()->get_image_set("histogram_rgb_toggle")[0]->get_w();
-	add_subwindow(parade_on = new HistogramParade(plugin,
-		this,
-		x,
-		y,
-		1));
+	add_subwindow(parade_on = new HistogramParade(plugin, this,
+		x, y, 1));
 	x -= parade_on->get_w() + margin;
-	add_subwindow(parade_off = new HistogramParade(plugin,
-		this,
-		x,
-		y,
-		0));
-
+	add_subwindow(parade_off = new HistogramParade(plugin, this, x, y, 0));
 
 	x = x1;
 	y += parade_on->get_h() + margin;
-	add_subwindow(canvas_title1 = new BC_Title(margin,
-		y,
-		"-10%"));
-	add_subwindow(canvas_title2 = new BC_Title(get_w() - get_text_width(MEDIUMFONT, "110%") - margin,
-		y,
-		"110%"));
+	add_subwindow(canvas_title1 = new BC_Title(margin, y, "-10%"));
+	x = get_w() - get_text_width(MEDIUMFONT, "110%") - margin;
+	add_subwindow(canvas_title2 = new BC_Title(x, y, "110%"));
 
 	y += canvas_title2->get_h() + margin;
 	x = x1;
 	canvas_h = get_h() - y - yS(210);
 
-
-	add_subwindow(low_input_carrot = new HistogramCarrot(plugin,
-		this,
-		x,
-		y + canvas_h));
+	add_subwindow(low_input_carrot = new HistogramCarrot(plugin, this, x, y + canvas_h));
 
 	x = low_input_carrot->get_w() / 2 + x;
 	canvas_w = get_w() - x - x;
@@ -126,48 +97,27 @@ void HistogramWindow::create_objects()
 	title3_x = x + (int)(canvas_w * (1.0 - HIST_MIN_INPUT) / FLOAT_RANGE);
 	title4_x = x + (int)(canvas_w);
 
-
-
-
-
-	add_subwindow(canvas = new HistogramCanvas(plugin,
-		this,
-		x,
-		y,
-		canvas_w,
-		canvas_h));
+	add_subwindow(canvas = new HistogramCanvas(plugin, this,
+			x, y, canvas_w, canvas_h));
 
 // Canvas border
-	draw_3d_border(x - 2,
-		y - 2,
-		canvas_w + 4,
-		canvas_h + 4,
-		get_bg_color(),
-		BLACK,
-		MDGREY,
-		get_bg_color());
+	draw_3d_border(x - 2, y - 2, canvas_w + 4, canvas_h + 4,
+		get_bg_color(), BLACK, MDGREY, get_bg_color());
 
 // Calculate output curve with no value function
-	plugin->tabulate_curve(plugin->mode, 0);
+	plugin->tabulate_curve(plugin->preview_lookup, plugin->mode, 0x10000, 0);
 
 	y += canvas->get_h();
 	x = margin;
 
-	add_subwindow(gamma_carrot = new HistogramCarrot(plugin,
-		this,
-		canvas->get_x() +
-			canvas->get_w() / 2 -
-			low_input_carrot->get_w() / 2 ,
-		y));
-
-	add_subwindow(high_input_carrot = new HistogramCarrot(plugin,
-		this,
-		canvas->get_x() +
-			canvas->get_w() -
-			low_input_carrot->get_w() / 2,
-		y));
-	y += low_input_carrot->get_h() + margin;
+	add_subwindow(gamma_carrot = new HistogramCarrot(plugin, this,
+		canvas->get_x() + canvas->get_w() / 2 -
+			low_input_carrot->get_w() / 2 , y));
 
+	add_subwindow(high_input_carrot = new HistogramCarrot(plugin, this,
+		canvas->get_x() + canvas->get_w() -
+			low_input_carrot->get_w() / 2, y));
+	y += low_input_carrot->get_h() + margin;
 
 //	add_subwindow(title = new BC_Title(x, y, _("Input:")));
 //	x += title->get_w() + margin;
@@ -271,20 +221,13 @@ int HistogramWindow::resize_event(int w, int h)
 // Canvas follows window size
 	canvas_w = canvas_w + xdiff;
 	canvas_h = canvas_h + ydiff;
-	canvas->reposition_window(canvas->get_x(),
-		canvas->get_y(),
-		canvas_w,
-		canvas_h);
+	canvas->reposition_window(canvas->get_x(), canvas->get_y(),
+		canvas_w, canvas_h);
 
 // Canvas border
-	draw_3d_border(canvas->get_x() - 2,
-		canvas->get_y() - 2,
-		canvas_w + 4,
-		canvas_h + 4,
-		get_bg_color(),
-		BLACK,
-		MDGREY,
-		get_bg_color());
+	draw_3d_border(canvas->get_x() - 2, canvas->get_y() - 2,
+		canvas_w + 4, canvas_h + 4,
+		get_bg_color(), BLACK, MDGREY, get_bg_color());
 
 	low_input_carrot->reposition_window(low_input_carrot->get_x(),
 		low_input_carrot->get_y() + ydiff);
@@ -307,14 +250,9 @@ int HistogramWindow::resize_event(int w, int h)
 	output->update();
 
 // Output border
-	draw_3d_border(output->get_x() - 2,
-		output->get_y() - 2,
-		output->get_w() + 4,
-		output->get_h() + 4,
-		get_bg_color(),
-		BLACK,
-		MDGREY,
-		get_bg_color());
+	draw_3d_border(output->get_x() - 2, output->get_y() - 2,
+		output->get_w() + 4, output->get_h() + 4,
+		get_bg_color(), BLACK, MDGREY, get_bg_color());
 
 	low_output_carrot->reposition_window(low_output_carrot->get_x(),
 		low_output_carrot->get_y() + ydiff);
@@ -458,9 +396,11 @@ void HistogramWindow::draw_canvas_mode(int mode, int color, int y, int h)
 // Draw histogram
 	int max = 0, *accum = plugin->accum[mode];
 	if( accum ) {
-		for( int i=0; i<HISTOGRAM_SLOTS; ++i ) {
-			int v = accum[i];
-			if( max < v ) max = v;
+		for( int i=0,x=0; x<canvas_w; ++x ) {
+			int m = 0;
+			int i1 = (HISTOGRAM_SLOTS * (x+1)) / canvas_w;
+			while( i < i1 ) m += accum[i++];
+			if( max < m ) max = m;
 		}
 	}
 
@@ -470,13 +410,11 @@ void HistogramWindow::draw_canvas_mode(int mode, int color, int y, int h)
 		double lin_scale = (lin_slider * h) / max;
 		double log_scale = (log_slider * h) / log(max);
 		for( int i=0,x=0; x<canvas_w; ++x ) {
-			int m = 0;
+			int m = 0, i0 = i;
 			int i1 = (HISTOGRAM_SLOTS * (x+1)) / canvas_w;
-			while( i < i1 ) {
-				int v = accum[i++];
-				if( m < v ) m = v;
-			}
-			m = m*lin_scale + log(m)*log_scale;
+			while( i < i1 ) m += accum[i++];
+			double v = m > 0 && i1 > i0 ? (double)m : 0;
+			m = v > 0 ? v*lin_scale + log(v)*log_scale : 0;
 
 			canvas->set_color(BLACK);
 			canvas->draw_line(x, y, x, y+h - m);
diff --git a/cinelerra-5.1/plugins/theme_suv/data/expandpatch_checked.png b/cinelerra-5.1/plugins/theme_suv/data/expandpatch_checked.png
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/new_bg.png b/cinelerra-5.1/plugins/theme_suv/data/new_bg.png
index 63a830b3..fed092ed 100644
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_dn.png b/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_dn.png
index ce02a72b..8b0df0a1 100644
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_hi.png b/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_hi.png
index a0fa6805..c985fef6 100644
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_up.png b/cinelerra-5.1/plugins/theme_suv/data/new_bigbutton_up.png
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/tumblepatch_bottom.png b/cinelerra-5.1/plugins/theme_suv/data/tumblepatch_bottom.png
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diff --git a/cinelerra-5.1/plugins/theme_suv/data/tumblepatch_top.png b/cinelerra-5.1/plugins/theme_suv/data/tumblepatch_top.png
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