mod motion tracking file in motion/motion-cv
[goodguy/history.git] / cinelerra-5.1 / plugins / motion-cv / motion-cv.C.orig
diff --git a/cinelerra-5.1/plugins/motion-cv/motion-cv.C.orig b/cinelerra-5.1/plugins/motion-cv/motion-cv.C.orig
deleted file mode 100644 (file)
index a5eb191..0000000
+++ /dev/null
@@ -1,2731 +0,0 @@
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- * 
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- * 
- */
-
-#include "affine.h"
-#include "bcdisplayinfo.h"
-#include "clip.h"
-#include "bchash.h"
-#include "bcsignals.h"
-#include "filexml.h"
-#include "keyframe.h"
-#include "language.h"
-#include "motion-cv.h"
-#include "motionwindow-cv.h"
-#include "mutex.h"
-#include "overlayframe.h"
-#include "rotateframe.h"
-#include "transportque.h"
-
-
-#include <errno.h>
-#include <unistd.h>
-
-REGISTER_PLUGIN(MotionCVMain)
-
-//#undef DEBUG
-
-#ifndef DEBUG
-#define DEBUG
-#endif
-
-
-MotionCVConfig::MotionCVConfig()
-{
-       global_range_w = 5;
-       global_range_h = 5;
-       rotation_range = 5;
-       block_count = 1;
-       global_block_w = MIN_BLOCK;
-       global_block_h = MIN_BLOCK;
-       rotation_block_w = MIN_BLOCK;
-       rotation_block_h = MIN_BLOCK;
-       block_x = 50;
-       block_y = 50;
-       global_positions = 256;
-       rotate_positions = 4;
-       magnitude = 100;
-       return_speed = 0;
-       mode1 = STABILIZE;
-       global = 1;
-       rotate = 1;
-       addtrackedframeoffset = 0;
-       mode2 = RECALCULATE;
-       draw_vectors = 1;
-       mode3 = MotionCVConfig::TRACK_SINGLE;
-       track_frame = 0;
-       bottom_is_master = 1;
-       horizontal_only = 0;
-       vertical_only = 0;
-}
-
-void MotionCVConfig::boundaries()
-{
-       CLAMP(global_range_w, MIN_RADIUS, MAX_RADIUS);
-       CLAMP(global_range_h, MIN_RADIUS, MAX_RADIUS);
-       CLAMP(rotation_range, MIN_ROTATION, MAX_ROTATION);
-       CLAMP(block_count, MIN_BLOCKS, MAX_BLOCKS);
-       CLAMP(global_block_w, MIN_BLOCK, MAX_BLOCK);
-       CLAMP(global_block_h, MIN_BLOCK, MAX_BLOCK);
-       CLAMP(rotation_block_w, MIN_BLOCK, MAX_BLOCK);
-       CLAMP(rotation_block_h, MIN_BLOCK, MAX_BLOCK);
-}
-
-int MotionCVConfig::equivalent(MotionCVConfig &that)
-{
-       return global_range_w == that.global_range_w &&
-               global_range_h == that.global_range_h &&
-               rotation_range == that.rotation_range &&
-               mode1 == that.mode1 &&
-               global == that.global &&
-               rotate == that.rotate &&
-               addtrackedframeoffset == that.addtrackedframeoffset &&
-               draw_vectors == that.draw_vectors &&
-               block_count == that.block_count &&
-               global_block_w == that.global_block_w &&
-               global_block_h == that.global_block_h &&
-               rotation_block_w == that.rotation_block_w &&
-               rotation_block_h == that.rotation_block_h &&
-               EQUIV(block_x, that.block_x) &&
-               EQUIV(block_y, that.block_y) &&
-               global_positions == that.global_positions &&
-               rotate_positions == that.rotate_positions &&
-               magnitude == that.magnitude &&
-               return_speed == that.return_speed &&
-               mode3 == that.mode3 &&
-               track_frame == that.track_frame &&
-               bottom_is_master == that.bottom_is_master &&
-               horizontal_only == that.horizontal_only &&
-               vertical_only == that.vertical_only;
-}
-
-void MotionCVConfig::copy_from(MotionCVConfig &that)
-{
-       global_range_w = that.global_range_w;
-       global_range_h = that.global_range_h;
-       rotation_range = that.rotation_range;
-       mode1 = that.mode1;
-       global = that.global;
-       rotate = that.rotate;
-       addtrackedframeoffset = that.addtrackedframeoffset;
-       mode2 = that.mode2;
-       draw_vectors = that.draw_vectors;
-       block_count = that.block_count;
-       block_x = that.block_x;
-       block_y = that.block_y;
-       global_positions = that.global_positions;
-       rotate_positions = that.rotate_positions;
-       global_block_w = that.global_block_w;
-       global_block_h = that.global_block_h;
-       rotation_block_w = that.rotation_block_w;
-       rotation_block_h = that.rotation_block_h;
-       magnitude = that.magnitude;
-       return_speed = that.return_speed;
-       mode3 = that.mode3;
-       track_frame = that.track_frame;
-       bottom_is_master = that.bottom_is_master;
-       horizontal_only = that.horizontal_only;
-       vertical_only = that.vertical_only;
-}
-
-void MotionCVConfig::interpolate(MotionCVConfig &prev, 
-       MotionCVConfig &next, 
-       int64_t prev_frame, 
-       int64_t next_frame, 
-       int64_t current_frame)
-{
-       //double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
-       //double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
-       this->block_x = prev.block_x;
-       this->block_y = prev.block_y;
-       global_range_w = prev.global_range_w;
-       global_range_h = prev.global_range_h;
-       rotation_range = prev.rotation_range;
-       mode1 = prev.mode1;
-       global = prev.global;
-       rotate = prev.rotate;
-       addtrackedframeoffset = prev.addtrackedframeoffset;
-       mode2 = prev.mode2;
-       draw_vectors = prev.draw_vectors;
-       block_count = prev.block_count;
-       global_positions = prev.global_positions;
-       rotate_positions = prev.rotate_positions;
-       global_block_w = prev.global_block_w;
-       global_block_h = prev.global_block_h;
-       rotation_block_w = prev.rotation_block_w;
-       rotation_block_h = prev.rotation_block_h;
-       magnitude = prev.magnitude;
-       return_speed = prev.return_speed;
-       mode3 = prev.mode3;
-       track_frame = prev.track_frame;
-       bottom_is_master = prev.bottom_is_master;
-       horizontal_only = prev.horizontal_only;
-       vertical_only = prev.vertical_only;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-MotionCVMain::MotionCVMain(PluginServer *server)
- : PluginVClient(server)
-{
-       engine = 0;
-       rotate_engine = 0;
-       motion_rotate = 0;
-       total_dx = 0;
-       total_dy = 0;
-       total_angle = 0;
-       overlayer = 0;
-       search_area = 0;
-       search_size = 0;
-       temp_frame = 0;
-       previous_frame_number = -1;
-
-       prev_global_ref = 0;
-       current_global_ref = 0;
-       global_target_src = 0;
-       global_target_dst = 0;
-
-       prev_rotate_ref = 0;
-       current_rotate_ref = 0;
-       rotate_target_src = 0;
-       rotate_target_dst = 0;
-}
-
-MotionCVMain::~MotionCVMain()
-{
-
-       delete engine;
-       delete overlayer;
-       delete [] search_area;
-       delete temp_frame;
-       delete rotate_engine;
-       delete motion_rotate;
-
-
-       delete prev_global_ref;
-       delete current_global_ref;
-       delete global_target_src;
-       delete global_target_dst;
-
-       delete prev_rotate_ref;
-       delete current_rotate_ref;
-       delete rotate_target_src;
-       delete rotate_target_dst;
-}
-
-const char* MotionCVMain::plugin_title() { return _("MotionCV"); }
-int MotionCVMain::is_realtime() { return 1; }
-int MotionCVMain::is_multichannel() { return 1; }
-
-
-NEW_WINDOW_MACRO(MotionCVMain, MotionCVWindow)
-
-LOAD_CONFIGURATION_MACRO(MotionCVMain, MotionCVConfig)
-
-
-
-void MotionCVMain::update_gui()
-{
-       if(thread)
-       {
-               if(load_configuration())
-               {
-                       thread->window->lock_window("MotionCVMain::update_gui");
-                       MotionCVWindow *window = (MotionCVWindow *)thread->window;
-                       
-                       char string[BCTEXTLEN];
-                       sprintf(string, "%d", config.global_positions);
-                       window->global_search_positions->set_text(string);
-                       sprintf(string, "%d", config.rotate_positions);
-                       window->rotation_search_positions->set_text(string);
-
-                       window->global_block_w->update(config.global_block_w);
-                       window->global_block_h->update(config.global_block_h);
-                       window->rotation_block_w->update(config.rotation_block_w);
-                       window->rotation_block_h->update(config.rotation_block_h);
-                       window->block_x->update(config.block_x);
-                       window->block_y->update(config.block_y);
-                       window->block_x_text->update((float)config.block_x);
-                       window->block_y_text->update((float)config.block_y);
-                       window->magnitude->update(config.magnitude);
-                       window->return_speed->update(config.return_speed);
-
-
-                       window->track_single->update(config.mode3 == MotionCVConfig::TRACK_SINGLE);
-                       window->track_frame_number->update(config.track_frame);
-                       window->track_previous->update(config.mode3 == MotionCVConfig::TRACK_PREVIOUS);
-                       window->previous_same->update(config.mode3 == MotionCVConfig::PREVIOUS_SAME_BLOCK);
-                       if(config.mode3 != MotionCVConfig::TRACK_SINGLE)
-                               window->track_frame_number->disable();
-                       else
-                               window->track_frame_number->enable();
-
-                       window->mode1->set_text(
-                               Mode1::to_text(config.mode1));
-                       window->mode2->set_text(
-                               Mode2::to_text(config.mode2));
-                       window->mode3->set_text(
-                               Mode3::to_text(config.horizontal_only, config.vertical_only));
-                       window->master_layer->set_text(
-                               MasterLayer::to_text(config.bottom_is_master));
-
-
-                       window->update_mode();
-                       window->unlock_window();
-               }
-       }
-}
-
-
-
-
-void MotionCVMain::save_data(KeyFrame *keyframe)
-{
-       FileXML output;
-
-// cause data to be stored directly in text
-       output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
-       output.tag.set_title("MOTION");
-
-       output.tag.set_property("BLOCK_COUNT", config.block_count);
-       output.tag.set_property("GLOBAL_POSITIONS", config.global_positions);
-       output.tag.set_property("ROTATE_POSITIONS", config.rotate_positions);
-       output.tag.set_property("GLOBAL_BLOCK_W", config.global_block_w);
-       output.tag.set_property("GLOBAL_BLOCK_H", config.global_block_h);
-       output.tag.set_property("ROTATION_BLOCK_W", config.rotation_block_w);
-       output.tag.set_property("ROTATION_BLOCK_H", config.rotation_block_h);
-       output.tag.set_property("BLOCK_X", config.block_x);
-       output.tag.set_property("BLOCK_Y", config.block_y);
-       output.tag.set_property("GLOBAL_RANGE_W", config.global_range_w);
-       output.tag.set_property("GLOBAL_RANGE_H", config.global_range_h);
-       output.tag.set_property("ROTATION_RANGE", config.rotation_range);
-       output.tag.set_property("MAGNITUDE", config.magnitude);
-       output.tag.set_property("RETURN_SPEED", config.return_speed);
-       output.tag.set_property("MODE1", config.mode1);
-       output.tag.set_property("GLOBAL", config.global);
-       output.tag.set_property("ROTATE", config.rotate);
-       output.tag.set_property("ADDTRACKEDFRAMEOFFSET", config.addtrackedframeoffset);
-       output.tag.set_property("MODE2", config.mode2);
-       output.tag.set_property("DRAW_VECTORS", config.draw_vectors);
-       output.tag.set_property("MODE3", config.mode3);
-       output.tag.set_property("TRACK_FRAME", config.track_frame);
-       output.tag.set_property("BOTTOM_IS_MASTER", config.bottom_is_master);
-       output.tag.set_property("HORIZONTAL_ONLY", config.horizontal_only);
-       output.tag.set_property("VERTICAL_ONLY", config.vertical_only);
-       output.append_tag();
-       output.tag.set_title("/MOTION");
-       output.append_tag();
-       output.terminate_string();
-}
-
-void MotionCVMain::read_data(KeyFrame *keyframe)
-{
-       FileXML input;
-
-       input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
-
-       int result = 0;
-
-       while(!result)
-       {
-               result = input.read_tag();
-
-               if(!result)
-               {
-                       if(input.tag.title_is("MOTION"))
-                       {
-                               config.block_count = input.tag.get_property("BLOCK_COUNT", config.block_count);
-                               config.global_positions = input.tag.get_property("GLOBAL_POSITIONS", config.global_positions);
-                               config.rotate_positions = input.tag.get_property("ROTATE_POSITIONS", config.rotate_positions);
-                               config.global_block_w = input.tag.get_property("GLOBAL_BLOCK_W", config.global_block_w);
-                               config.global_block_h = input.tag.get_property("GLOBAL_BLOCK_H", config.global_block_h);
-                               config.rotation_block_w = input.tag.get_property("ROTATION_BLOCK_W", config.rotation_block_w);
-                               config.rotation_block_h = input.tag.get_property("ROTATION_BLOCK_H", config.rotation_block_h);
-                               config.block_x = input.tag.get_property("BLOCK_X", config.block_x);
-                               config.block_y = input.tag.get_property("BLOCK_Y", config.block_y);
-                               config.global_range_w = input.tag.get_property("GLOBAL_RANGE_W", config.global_range_w);
-                               config.global_range_h = input.tag.get_property("GLOBAL_RANGE_H", config.global_range_h);
-                               config.rotation_range = input.tag.get_property("ROTATION_RANGE", config.rotation_range);
-                               config.magnitude = input.tag.get_property("MAGNITUDE", config.magnitude);
-                               config.return_speed = input.tag.get_property("RETURN_SPEED", config.return_speed);
-                               config.mode1 = input.tag.get_property("MODE1", config.mode1);
-                               config.global = input.tag.get_property("GLOBAL", config.global);
-                               config.rotate = input.tag.get_property("ROTATE", config.rotate);
-                               config.addtrackedframeoffset = input.tag.get_property("ADDTRACKEDFRAMEOFFSET", config.addtrackedframeoffset);
-                               config.mode2 = input.tag.get_property("MODE2", config.mode2);
-                               config.draw_vectors = input.tag.get_property("DRAW_VECTORS", config.draw_vectors);
-                               config.mode3 = input.tag.get_property("MODE3", config.mode3);
-                               config.track_frame = input.tag.get_property("TRACK_FRAME", config.track_frame);
-                               config.bottom_is_master = input.tag.get_property("BOTTOM_IS_MASTER", config.bottom_is_master);
-                               config.horizontal_only = input.tag.get_property("HORIZONTAL_ONLY", config.horizontal_only);
-                               config.vertical_only = input.tag.get_property("VERTICAL_ONLY", config.vertical_only);
-                       }
-               }
-       }
-       config.boundaries();
-}
-
-
-
-
-
-
-
-
-
-void MotionCVMain::allocate_temp(int w, int h, int color_model)
-{
-       if(temp_frame && 
-               (temp_frame->get_w() != w ||
-               temp_frame->get_h() != h))
-       {
-               delete temp_frame;
-               temp_frame = 0;
-       }
-       if(!temp_frame)
-               temp_frame = new VFrame(w, h, color_model);
-}
-
-
-
-void MotionCVMain::process_global()
-{
-       if(!engine) engine = new MotionCVScan(this,
-               PluginClient::get_project_smp() + 1,
-               PluginClient::get_project_smp() + 1);
-
-// Get the current motion vector between the previous and current frame
-       engine->scan_frame(current_global_ref, prev_global_ref);
-       current_dx = engine->dx_result;
-       current_dy = engine->dy_result;
-
-// Add current motion vector to accumulation vector.
-       if(config.mode3 != MotionCVConfig::TRACK_SINGLE)
-       {
-// Retract over time
-               total_dx = (int64_t)total_dx * (100 - config.return_speed) / 100;
-               total_dy = (int64_t)total_dy * (100 - config.return_speed) / 100;
-               total_dx += engine->dx_result;
-               total_dy += engine->dy_result;
-       }
-       else
-// Make accumulation vector current
-       {
-               total_dx = engine->dx_result;
-               total_dy = engine->dy_result;
-       }
-
-// Clamp accumulation vector
-       if(config.magnitude < 100)
-       {
-               //int block_w = (int64_t)config.global_block_w * 
-               //              current_global_ref->get_w() / 100;
-               //int block_h = (int64_t)config.global_block_h * 
-               //              current_global_ref->get_h() / 100;
-               int block_x_orig = (int64_t)(config.block_x * 
-                       current_global_ref->get_w() / 
-                       100);
-               int block_y_orig = (int64_t)(config.block_y *
-                       current_global_ref->get_h() / 
-                       100);
-
-               int max_block_x = (int64_t)(current_global_ref->get_w() - block_x_orig) *
-                       OVERSAMPLE * 
-                       config.magnitude / 
-                       100;
-               int max_block_y = (int64_t)(current_global_ref->get_h() - block_y_orig) *
-                       OVERSAMPLE *
-                       config.magnitude / 
-                       100;
-               int min_block_x = (int64_t)-block_x_orig * 
-                       OVERSAMPLE * 
-                       config.magnitude / 
-                       100;
-               int min_block_y = (int64_t)-block_y_orig * 
-                       OVERSAMPLE * 
-                       config.magnitude / 
-                       100;
-
-               CLAMP(total_dx, min_block_x, max_block_x);
-               CLAMP(total_dy, min_block_y, max_block_y);
-       }
-
-#ifdef DEBUG
-printf("MotionCVMain::process_global 2 total_dx=%.02f total_dy=%.02f\n", 
-(float)total_dx / OVERSAMPLE,
-(float)total_dy / OVERSAMPLE);
-#endif
-
-       if(config.mode3 != MotionCVConfig::TRACK_SINGLE && !config.rotate)
-       {
-// Transfer current reference frame to previous reference frame and update
-// counter.  Must wait for rotate to compare.
-               prev_global_ref->copy_from(current_global_ref);
-               previous_frame_number = get_source_position();
-       }
-
-// Decide what to do with target based on requested operation
-       int interpolation = NEAREST_NEIGHBOR;
-       float dx = 0;
-       float dy = 0;
-       switch(config.mode1)
-       {
-               case MotionCVConfig::NOTHING:
-                       global_target_dst->copy_from(global_target_src);
-                       break;
-               case MotionCVConfig::TRACK_PIXEL:
-                       interpolation = NEAREST_NEIGHBOR;
-                       dx = (int)(total_dx / OVERSAMPLE);
-                       dy = (int)(total_dy / OVERSAMPLE);
-                       break;
-               case MotionCVConfig::STABILIZE_PIXEL:
-                       interpolation = NEAREST_NEIGHBOR;
-                       dx = -(int)(total_dx / OVERSAMPLE);
-                       dy = -(int)(total_dy / OVERSAMPLE);
-                       break;
-                       break;
-               case MotionCVConfig::TRACK:
-                       interpolation = CUBIC_LINEAR;
-                       dx = (float)total_dx / OVERSAMPLE;
-                       dy = (float)total_dy / OVERSAMPLE;
-                       break;
-               case MotionCVConfig::STABILIZE:
-                       interpolation = CUBIC_LINEAR;
-                       dx = -(float)total_dx / OVERSAMPLE;
-                       dy = -(float)total_dy / OVERSAMPLE;
-                       break;
-       }
-
-
-       if(config.mode1 != MotionCVConfig::NOTHING)
-       {
-               if(!overlayer) 
-                       overlayer = new OverlayFrame(PluginClient::get_project_smp() + 1);
-               global_target_dst->clear_frame();
-               overlayer->overlay(global_target_dst,
-                       global_target_src,
-                       0,
-                       0,
-                       global_target_src->get_w(),
-                       global_target_src->get_h(),
-                       dx,
-                       dy,
-                       (float)global_target_src->get_w() + dx,
-                       (float)global_target_src->get_h() + dy,
-                       1,
-                       TRANSFER_REPLACE,
-                       interpolation);
-       }
-}
-
-
-
-void MotionCVMain::process_rotation()
-{
-       int block_x;
-       int block_y;
-
-// Convert the previous global reference into the previous rotation reference.
-// Convert global target destination into rotation target source.
-       if(config.global)
-       {
-               if(!overlayer) 
-                       overlayer = new OverlayFrame(PluginClient::get_project_smp() + 1);
-               float dx;
-               float dy;
-               if(config.mode3 == MotionCVConfig::TRACK_SINGLE)
-               {
-                       dx = (float)total_dx / OVERSAMPLE;
-                       dy = (float)total_dy / OVERSAMPLE;
-               }
-               else
-               {
-                       dx = (float)current_dx / OVERSAMPLE;
-                       dy = (float)current_dy / OVERSAMPLE;
-               }
-
-               prev_rotate_ref->clear_frame();
-               overlayer->overlay(prev_rotate_ref,
-                       prev_global_ref,
-                       0,
-                       0,
-                       prev_global_ref->get_w(),
-                       prev_global_ref->get_h(),
-                       dx,
-                       dy,
-                       (float)prev_global_ref->get_w() + dx,
-                       (float)prev_global_ref->get_h() + dy,
-                       1,
-                       TRANSFER_REPLACE,
-                       CUBIC_LINEAR);
-// Pivot is destination global position
-               block_x = (int)(prev_rotate_ref->get_w() * 
-                       config.block_x / 
-                       100 +
-                       (float)total_dx / 
-                       OVERSAMPLE);
-               block_y = (int)(prev_rotate_ref->get_h() * 
-                       config.block_y / 
-                       100 +
-                       (float)total_dy / 
-                       OVERSAMPLE);
-// Use the global target output as the rotation target input
-               rotate_target_src->copy_from(global_target_dst);
-// Transfer current reference frame to previous reference frame for global.
-               if(config.mode3 != MotionCVConfig::TRACK_SINGLE)
-               {
-                       prev_global_ref->copy_from(current_global_ref);
-                       previous_frame_number = get_source_position();
-               }
-       }
-       else
-       {
-// Pivot is fixed
-               block_x = (int)(prev_rotate_ref->get_w() * 
-                       config.block_x / 
-                       100);
-               block_y = (int)(prev_rotate_ref->get_h() * 
-                       config.block_y / 
-                       100);
-       }
-
-
-
-// Get rotation
-       if(!motion_rotate)
-               motion_rotate = new RotateCVScan(this, 
-                       get_project_smp() + 1, 
-                       get_project_smp() + 1);
-
-       current_angle = motion_rotate->scan_frame(prev_rotate_ref, 
-               current_rotate_ref,
-               block_x,
-               block_y);
-
-
-
-// Add current rotation to accumulation
-       if(config.mode3 != MotionCVConfig::TRACK_SINGLE)
-       {
-// Retract over time
-               total_angle = total_angle * (100 - config.return_speed) / 100;
-               total_angle += current_angle;
-
-               if(!config.global)
-               {
-// Transfer current reference frame to previous reference frame and update
-// counter.
-                       prev_rotate_ref->copy_from(current_rotate_ref);
-                       previous_frame_number = get_source_position();
-               }
-       }
-       else
-       {
-               total_angle = current_angle;
-       }
-
-#ifdef DEBUG
-printf("MotionCVMain::process_rotation total_angle=%f\n", total_angle);
-#endif
-
-
-// Calculate rotation parameters based on requested operation
-       float angle = 0;
-       switch(config.mode1)
-       {
-               case MotionCVConfig::NOTHING:
-                       rotate_target_dst->copy_from(rotate_target_src);
-                       break;
-               case MotionCVConfig::TRACK:
-               case MotionCVConfig::TRACK_PIXEL:
-                       angle = total_angle;
-                       break;
-               case MotionCVConfig::STABILIZE:
-               case MotionCVConfig::STABILIZE_PIXEL:
-                       angle = -total_angle;
-                       break;
-       }
-
-
-
-       if(config.mode1 != MotionCVConfig::NOTHING)
-       {
-               if(!rotate_engine)
-                       rotate_engine = new AffineEngine(PluginClient::get_project_smp() + 1,
-                               PluginClient::get_project_smp() + 1);
-
-               rotate_target_dst->clear_frame();
-
-// Determine pivot based on a number of factors.
-               switch(config.mode1)
-               {
-                       case MotionCVConfig::TRACK:
-                       case MotionCVConfig::TRACK_PIXEL:
-// Use destination of global tracking.
-                               rotate_engine->set_pivot(block_x, block_y);
-                               break;
-
-                       case MotionCVConfig::STABILIZE:
-                       case MotionCVConfig::STABILIZE_PIXEL:
-                               if(config.global)
-                               {
-// Use origin of global stabilize operation
-                                       rotate_engine->set_pivot((int)(rotate_target_dst->get_w() * 
-                                                       config.block_x / 
-                                                       100),
-                                               (int)(rotate_target_dst->get_h() * 
-                                                       config.block_y / 
-                                                       100));
-                               
-                               }
-                               else
-                               {
-// Use origin
-                                       rotate_engine->set_pivot(block_x, block_y);
-                               }
-                               break;
-               }
-
-
-               rotate_engine->rotate(rotate_target_dst, rotate_target_src, angle);
-// overlayer->overlay(rotate_target_dst,
-//     prev_rotate_ref,
-//     0,
-//     0,
-//     prev_rotate_ref->get_w(),
-//     prev_rotate_ref->get_h(),
-//     0,
-//     0,
-//     prev_rotate_ref->get_w(),
-//     prev_rotate_ref->get_h(),
-//     1,
-//     TRANSFER_NORMAL,
-//     CUBIC_LINEAR);
-// overlayer->overlay(rotate_target_dst,
-//     current_rotate_ref,
-//     0,
-//     0,
-//     prev_rotate_ref->get_w(),
-//     prev_rotate_ref->get_h(),
-//     0,
-//     0,
-//     prev_rotate_ref->get_w(),
-//     prev_rotate_ref->get_h(),
-//     1,
-//     TRANSFER_NORMAL,
-//     CUBIC_LINEAR);
-
-
-       }
-
-
-}
-
-
-
-
-
-
-
-
-
-int MotionCVMain::process_buffer(VFrame **frame,
-       int64_t start_position,
-       double frame_rate)
-{
-       int need_reconfigure = load_configuration();
-       int color_model = frame[0]->get_color_model();
-       w = frame[0]->get_w();
-       h = frame[0]->get_h();
-       
-
-#ifdef DEBUG
-printf("MotionCVMain::process_buffer 1 start_position=%jd\n", start_position);
-#endif
-
-
-// Calculate the source and destination pointers for each of the operations.
-// Get the layer to track motion in.
-       reference_layer = config.bottom_is_master ?
-               PluginClient::total_in_buffers - 1 :
-               0;
-// Get the layer to apply motion in.
-       target_layer = config.bottom_is_master ?
-               0 :
-               PluginClient::total_in_buffers - 1;
-
-
-       output_frame = frame[target_layer];
-
-
-// Get the position of previous reference frame.
-       int64_t actual_previous_number;
-// Skip if match frame not available
-       int skip_current = 0;
-
-
-       if(config.mode3 == MotionCVConfig::TRACK_SINGLE)
-       {
-               actual_previous_number = config.track_frame;
-               if(get_direction() == PLAY_REVERSE)
-                       actual_previous_number++;
-               if(actual_previous_number == start_position)
-                       skip_current = 1;
-       }
-       else
-       {
-               actual_previous_number = start_position;
-               if(get_direction() == PLAY_FORWARD)
-               {
-                       actual_previous_number--;
-                       if(actual_previous_number < get_source_start())
-                               skip_current = 1;
-                       else
-                       {
-                               KeyFrame *keyframe = get_prev_keyframe(start_position, 1);
-                               if(keyframe->position > 0 &&
-                                       actual_previous_number < keyframe->position)
-                                       skip_current = 1;
-                       }
-               }
-               else
-               {
-                       actual_previous_number++;
-                       if(actual_previous_number >= get_source_start() + get_total_len())
-                               skip_current = 1;
-                       else
-                       {
-                               KeyFrame *keyframe = get_next_keyframe(start_position, 1);
-                               if(keyframe->position > 0 &&
-                                       actual_previous_number >= keyframe->position)
-                                       skip_current = 1;
-                       }
-               }
-
-// Only count motion since last keyframe
-               
-
-       }
-
-
-       if(!config.global && !config.rotate) skip_current = 1;
-
-
-
-
-// printf("process_realtime %d %lld %lld\n", 
-// skip_current, 
-// previous_frame_number, 
-// actual_previous_number);
-// Load match frame and reset vectors
-       int need_reload = !skip_current && 
-               (previous_frame_number != actual_previous_number ||
-               need_reconfigure);
-       if(need_reload)
-       {
-               total_dx = 0;
-               total_dy = 0;
-               total_angle = 0;
-               previous_frame_number = actual_previous_number;
-       }
-
-
-       if(skip_current)
-       {
-               total_dx = 0;
-               total_dy = 0;
-               current_dx = 0;
-               current_dy = 0;
-               total_angle = 0;
-               current_angle = 0;
-       }
-
-
-
-
-// Get the global pointers.  Here we walk through the sequence of events.
-       if(config.global)
-       {
-// Assume global only.  Global reads previous frame and compares
-// with current frame to get the current translation.
-// The center of the search area is fixed in compensate mode or
-// the user value + the accumulation vector in track mode.
-               if(!prev_global_ref)
-                       prev_global_ref = new VFrame(w, h, color_model);
-               if(!current_global_ref)
-                       current_global_ref = new VFrame(w, h, color_model);
-
-// Global loads the current target frame into the src and 
-// writes it to the dst frame with desired translation.
-               if(!global_target_src)
-                       global_target_src = new VFrame(w, h, color_model);
-               if(!global_target_dst)
-                       global_target_dst = new VFrame(w, h, color_model);
-
-
-// Load the global frames
-               if(need_reload)
-               {
-                       read_frame(prev_global_ref, 
-                               reference_layer, 
-                               previous_frame_number, 
-                               frame_rate,
-                               0);
-               }
-
-               read_frame(current_global_ref, 
-                       reference_layer, 
-                       start_position, 
-                       frame_rate,
-                       0);
-               read_frame(global_target_src,
-                       target_layer,
-                       start_position,
-                       frame_rate,
-                       0);
-
-
-
-// Global followed by rotate
-               if(config.rotate)
-               {
-// Must translate the previous global reference by the current global
-// accumulation vector to match the current global reference.
-// The center of the search area is always the user value + the accumulation
-// vector.
-                       if(!prev_rotate_ref)
-                               prev_rotate_ref = new VFrame(w, h, color_model);
-// The current global reference is the current rotation reference.
-                       if(!current_rotate_ref)
-                               current_rotate_ref = new VFrame(w, h, color_model);
-                       current_rotate_ref->copy_from(current_global_ref);
-
-// The global target destination is copied to the rotation target source
-// then written to the rotation output with rotation.
-// The pivot for the rotation is the center of the search area 
-// if we're tracking.
-// The pivot is fixed to the user position if we're compensating.
-                       if(!rotate_target_src)
-                               rotate_target_src = new VFrame(w, h, color_model);
-                       if(!rotate_target_dst)
-                               rotate_target_dst = new VFrame(w,h , color_model);
-               }
-       }
-       else
-// Rotation only
-       if(config.rotate)
-       {
-// Rotation reads the previous reference frame and compares it with current 
-// reference frame.
-               if(!prev_rotate_ref)
-                       prev_rotate_ref = new VFrame(w, h, color_model);
-               if(!current_rotate_ref)
-                       current_rotate_ref = new VFrame(w, h, color_model);
-
-// Rotation loads target frame to temporary, rotates it, and writes it to the
-// target frame.  The pivot is always fixed.
-               if(!rotate_target_src)
-                       rotate_target_src = new VFrame(w, h, color_model);
-               if(!rotate_target_dst)
-                       rotate_target_dst = new VFrame(w,h , color_model);
-
-
-// Load the rotate frames
-               if(need_reload)
-               {
-                       read_frame(prev_rotate_ref, 
-                               reference_layer, 
-                               previous_frame_number, 
-                               frame_rate,
-                               0);
-               }
-               read_frame(current_rotate_ref, 
-                       reference_layer, 
-                       start_position, 
-                       frame_rate,
-                       0);
-               read_frame(rotate_target_src,
-                       target_layer,
-                       start_position,
-                       frame_rate,
-                       0);
-       }
-
-
-
-
-
-
-
-
-
-
-       if(!skip_current)
-       {
-// Get position change from previous frame to current frame
-               if(config.global) process_global();
-// Get rotation change from previous frame to current frame
-               if(config.rotate) process_rotation();
-//frame[target_layer]->copy_from(prev_rotate_ref);
-//frame[target_layer]->copy_from(current_rotate_ref);
-       }
-
-
-
-
-
-
-// Transfer the relevant target frame to the output
-       if(!skip_current)
-       {
-               if(config.rotate)
-               {
-                       frame[target_layer]->copy_from(rotate_target_dst);
-               }
-               else
-               {
-                       frame[target_layer]->copy_from(global_target_dst);
-               }
-       }
-       else
-// Read the target destination directly
-       {
-               read_frame(frame[target_layer],
-                       target_layer,
-                       start_position,
-                       frame_rate,
-                       0);
-       }
-
-       if(config.draw_vectors)
-       {
-               draw_vectors(frame[target_layer]);
-       }
-
-#ifdef DEBUG
-printf("MotionCVMain::process_buffer 100\n");
-#endif
-       return 0;
-}
-
-
-void MotionCVMain::clamp_scan(int w, 
-       int h, 
-       int *block_x1,
-       int *block_y1,
-       int *block_x2,
-       int *block_y2,
-       int *scan_x1,
-       int *scan_y1,
-       int *scan_x2,
-       int *scan_y2,
-       int use_absolute)
-{
-// printf("MotionCVMain::clamp_scan 1 w=%d h=%d block=%d %d %d %d scan=%d %d %d %d absolute=%d\n",
-// w,
-// h,
-// *block_x1,
-// *block_y1,
-// *block_x2,
-// *block_y2,
-// *scan_x1,
-// *scan_y1,
-// *scan_x2,
-// *scan_y2,
-// use_absolute);
-
-       if(use_absolute)
-       {
-// scan is always out of range before block.
-               if(*scan_x1 < 0)
-               {
-                       int difference = -*scan_x1;
-                       *block_x1 += difference;
-                       *scan_x1 = 0;
-               }
-
-               if(*scan_y1 < 0)
-               {
-                       int difference = -*scan_y1;
-                       *block_y1 += difference;
-                       *scan_y1 = 0;
-               }
-
-               if(*scan_x2 > w)
-               {
-                       int difference = *scan_x2 - w;
-                       *block_x2 -= difference;
-                       *scan_x2 -= difference;
-               }
-
-               if(*scan_y2 > h)
-               {
-                       int difference = *scan_y2 - h;
-                       *block_y2 -= difference;
-                       *scan_y2 -= difference;
-               }
-
-               CLAMP(*scan_x1, 0, w);
-               CLAMP(*scan_y1, 0, h);
-               CLAMP(*scan_x2, 0, w);
-               CLAMP(*scan_y2, 0, h);
-       }
-       else
-       {
-               if(*scan_x1 < 0)
-               {
-                       int difference = -*scan_x1;
-                       *block_x1 += difference;
-                       *scan_x2 += difference;
-                       *scan_x1 = 0;
-               }
-
-               if(*scan_y1 < 0)
-               {
-                       int difference = -*scan_y1;
-                       *block_y1 += difference;
-                       *scan_y2 += difference;
-                       *scan_y1 = 0;
-               }
-
-               if(*scan_x2 - *block_x1 + *block_x2 > w)
-               {
-                       int difference = *scan_x2 - *block_x1 + *block_x2 - w;
-                       *block_x2 -= difference;
-               }
-
-               if(*scan_y2 - *block_y1 + *block_y2 > h)
-               {
-                       int difference = *scan_y2 - *block_y1 + *block_y2 - h;
-                       *block_y2 -= difference;
-               }
-
-//             CLAMP(*scan_x1, 0, w - (*block_x2 - *block_x1));
-//             CLAMP(*scan_y1, 0, h - (*block_y2 - *block_y1));
-//             CLAMP(*scan_x2, 0, w - (*block_x2 - *block_x1));
-//             CLAMP(*scan_y2, 0, h - (*block_y2 - *block_y1));
-       }
-
-// Sanity checks which break the calculation but should never happen if the
-// center of the block is inside the frame.
-       CLAMP(*block_x1, 0, w);
-       CLAMP(*block_x2, 0, w);
-       CLAMP(*block_y1, 0, h);
-       CLAMP(*block_y2, 0, h);
-
-// printf("MotionCVMain::clamp_scan 2 w=%d h=%d block=%d %d %d %d scan=%d %d %d %d absolute=%d\n",
-// w,
-// h,
-// *block_x1,
-// *block_y1,
-// *block_x2,
-// *block_y2,
-// *scan_x1,
-// *scan_y1,
-// *scan_x2,
-// *scan_y2,
-// use_absolute);
-}
-
-
-
-void MotionCVMain::draw_vectors(VFrame *frame)
-{
-       int w = frame->get_w();
-       int h = frame->get_h();
-       int global_x1, global_y1;
-       int global_x2, global_y2;
-       int block_x, block_y;
-       int block_w, block_h;
-       int block_x1, block_y1;
-       int block_x2, block_y2;
-       int block_x3, block_y3;
-       int block_x4, block_y4;
-       int search_w, search_h;
-       int search_x1, search_y1;
-       int search_x2, search_y2;
-       //int search_x3, search_y3;
-       //int search_x4, search_y4;
-
-       if(config.global)
-       {
-// Get vector
-// Start of vector is center of previous block.
-// End of vector is total accumulation.
-               if(config.mode3 == MotionCVConfig::TRACK_SINGLE)
-               {
-                       global_x1 = (int64_t)(config.block_x * 
-                               w / 
-                               100);
-                       global_y1 = (int64_t)(config.block_y *
-                               h / 
-                               100);
-                       global_x2 = global_x1 + total_dx / OVERSAMPLE;
-                       global_y2 = global_y1 + total_dy / OVERSAMPLE;
-//printf("MotionCVMain::draw_vectors %d %d %d %d %d %d\n", total_dx, total_dy, global_x1, global_y1, global_x2, global_y2);
-               }
-               else
-// Start of vector is center of previous block.
-// End of vector is current change.
-               if(config.mode3 == MotionCVConfig::PREVIOUS_SAME_BLOCK)
-               {
-                       global_x1 = (int64_t)(config.block_x * 
-                               w / 
-                               100);
-                       global_y1 = (int64_t)(config.block_y *
-                               h / 
-                               100);
-                       global_x2 = global_x1 + current_dx / OVERSAMPLE;
-                       global_y2 = global_y1 + current_dy / OVERSAMPLE;
-               }
-               else
-               {
-                       global_x1 = (int64_t)(config.block_x * 
-                               w / 
-                               100 + 
-                               (total_dx - current_dx) / 
-                               OVERSAMPLE);
-                       global_y1 = (int64_t)(config.block_y *
-                               h / 
-                               100 +
-                               (total_dy - current_dy) /
-                               OVERSAMPLE);
-                       global_x2 = (int64_t)(config.block_x * 
-                               w / 
-                               100 + 
-                               total_dx / 
-                               OVERSAMPLE);
-                       global_y2 = (int64_t)(config.block_y *
-                               h / 
-                               100 +
-                               total_dy /
-                               OVERSAMPLE);
-               }
-
-               block_x = global_x1;
-               block_y = global_y1;
-               block_w = config.global_block_w * w / 100;
-               block_h = config.global_block_h * h / 100;
-               block_x1 = block_x - block_w / 2;
-               block_y1 = block_y - block_h / 2;
-               block_x2 = block_x + block_w / 2;
-               block_y2 = block_y + block_h / 2;
-               search_w = config.global_range_w * w / 100;
-               search_h = config.global_range_h * h / 100;
-               search_x1 = block_x1 - search_w / 2;
-               search_y1 = block_y1 - search_h / 2;
-               search_x2 = block_x2 + search_w / 2;
-               search_y2 = block_y2 + search_h / 2;
-
-// printf("MotionCVMain::draw_vectors %d %d %d %d %d %d %d %d %d %d %d %d\n",
-// global_x1,
-// global_y1,
-// block_w,
-// block_h,
-// block_x1,
-// block_y1,
-// block_x2,
-// block_y2,
-// search_x1,
-// search_y1,
-// search_x2,
-// search_y2);
-
-               clamp_scan(w, 
-                       h, 
-                       &block_x1,
-                       &block_y1,
-                       &block_x2,
-                       &block_y2,
-                       &search_x1,
-                       &search_y1,
-                       &search_x2,
-                       &search_y2,
-                       1);
-
-// Vector
-               draw_arrow(frame, global_x1, global_y1, global_x2, global_y2);
-
-// Macroblock
-               draw_line(frame, block_x1, block_y1, block_x2, block_y1);
-               draw_line(frame, block_x2, block_y1, block_x2, block_y2);
-               draw_line(frame, block_x2, block_y2, block_x1, block_y2);
-               draw_line(frame, block_x1, block_y2, block_x1, block_y1);
-
-
-// Search area
-               draw_line(frame, search_x1, search_y1, search_x2, search_y1);
-               draw_line(frame, search_x2, search_y1, search_x2, search_y2);
-               draw_line(frame, search_x2, search_y2, search_x1, search_y2);
-               draw_line(frame, search_x1, search_y2, search_x1, search_y1);
-
-// Block should be endpoint of motion
-               if(config.rotate)
-               {
-                       block_x = global_x2;
-                       block_y = global_y2;
-               }
-       }
-       else
-       {
-               block_x = (int64_t)(config.block_x * w / 100);
-               block_y = (int64_t)(config.block_y * h / 100);
-       }
-
-       block_w = config.rotation_block_w * w / 100;
-       block_h = config.rotation_block_h * h / 100;
-       if(config.rotate)
-       {
-               float angle = total_angle * 2 * M_PI / 360;
-               double base_angle1 = atan((float)block_h / block_w);
-               double base_angle2 = atan((float)block_w / block_h);
-               double target_angle1 = base_angle1 + angle;
-               double target_angle2 = base_angle2 + angle;
-               double radius = sqrt(block_w * block_w + block_h * block_h) / 2;
-               block_x1 = (int)(block_x - cos(target_angle1) * radius);
-               block_y1 = (int)(block_y - sin(target_angle1) * radius);
-               block_x2 = (int)(block_x + sin(target_angle2) * radius);
-               block_y2 = (int)(block_y - cos(target_angle2) * radius);
-               block_x3 = (int)(block_x - sin(target_angle2) * radius);
-               block_y3 = (int)(block_y + cos(target_angle2) * radius);
-               block_x4 = (int)(block_x + cos(target_angle1) * radius);
-               block_y4 = (int)(block_y + sin(target_angle1) * radius);
-
-               draw_line(frame, block_x1, block_y1, block_x2, block_y2);
-               draw_line(frame, block_x2, block_y2, block_x4, block_y4);
-               draw_line(frame, block_x4, block_y4, block_x3, block_y3);
-               draw_line(frame, block_x3, block_y3, block_x1, block_y1);
-
-
-// Center
-               if(!config.global)
-               {
-                       draw_line(frame, block_x, block_y - 5, block_x, block_y + 6);
-                       draw_line(frame, block_x - 5, block_y, block_x + 6, block_y);
-               }
-       }
-}
-
-
-
-void MotionCVMain::draw_pixel(VFrame *frame, int x, int y)
-{
-       if(!(x >= 0 && y >= 0 && x < frame->get_w() && y < frame->get_h())) return;
-
-#define DRAW_PIXEL(x, y, components, do_yuv, max, type) \
-{ \
-       type **rows = (type**)frame->get_rows(); \
-       rows[y][x * components] = max - rows[y][x * components]; \
-       if(!do_yuv) \
-       { \
-               rows[y][x * components + 1] = max - rows[y][x * components + 1]; \
-               rows[y][x * components + 2] = max - rows[y][x * components + 2]; \
-       } \
-       else \
-       { \
-               rows[y][x * components + 1] = (max / 2 + 1) - rows[y][x * components + 1]; \
-               rows[y][x * components + 2] = (max / 2 + 1) - rows[y][x * components + 2]; \
-       } \
-       if(components == 4) \
-               rows[y][x * components + 3] = max; \
-}
-
-
-       switch(frame->get_color_model())
-       {
-               case BC_RGB888:
-                       DRAW_PIXEL(x, y, 3, 0, 0xff, unsigned char);
-                       break;
-               case BC_RGBA8888:
-                       DRAW_PIXEL(x, y, 4, 0, 0xff, unsigned char);
-                       break;
-               case BC_RGB_FLOAT:
-                       DRAW_PIXEL(x, y, 3, 0, 1.0, float);
-                       break;
-               case BC_RGBA_FLOAT:
-                       DRAW_PIXEL(x, y, 4, 0, 1.0, float);
-                       break;
-               case BC_YUV888:
-                       DRAW_PIXEL(x, y, 3, 1, 0xff, unsigned char);
-                       break;
-               case BC_YUVA8888:
-                       DRAW_PIXEL(x, y, 4, 1, 0xff, unsigned char);
-                       break;
-               case BC_RGB161616:
-                       DRAW_PIXEL(x, y, 3, 0, 0xffff, uint16_t);
-                       break;
-               case BC_YUV161616:
-                       DRAW_PIXEL(x, y, 3, 1, 0xffff, uint16_t);
-                       break;
-               case BC_RGBA16161616:
-                       DRAW_PIXEL(x, y, 4, 0, 0xffff, uint16_t);
-                       break;
-               case BC_YUVA16161616:
-                       DRAW_PIXEL(x, y, 4, 1, 0xffff, uint16_t);
-                       break;
-       }
-}
-
-
-void MotionCVMain::draw_line(VFrame *frame, int x1, int y1, int x2, int y2)
-{
-       int w = labs(x2 - x1);
-       int h = labs(y2 - y1);
-//printf("MotionCVMain::draw_line 1 %d %d %d %d\n", x1, y1, x2, y2);
-
-       if(!w && !h)
-       {
-               draw_pixel(frame, x1, y1);
-       }
-       else
-       if(w > h)
-       {
-// Flip coordinates so x1 < x2
-               if(x2 < x1)
-               {
-                       y2 ^= y1;
-                       y1 ^= y2;
-                       y2 ^= y1;
-                       x1 ^= x2;
-                       x2 ^= x1;
-                       x1 ^= x2;
-               }
-               int numerator = y2 - y1;
-               int denominator = x2 - x1;
-               for(int i = x1; i < x2; i++)
-               {
-                       int y = y1 + (int64_t)(i - x1) * (int64_t)numerator / (int64_t)denominator;
-                       draw_pixel(frame, i, y);
-               }
-       }
-       else
-       {
-// Flip coordinates so y1 < y2
-               if(y2 < y1)
-               {
-                       y2 ^= y1;
-                       y1 ^= y2;
-                       y2 ^= y1;
-                       x1 ^= x2;
-                       x2 ^= x1;
-                       x1 ^= x2;
-               }
-               int numerator = x2 - x1;
-               int denominator = y2 - y1;
-               for(int i = y1; i < y2; i++)
-               {
-                       int x = x1 + (int64_t)(i - y1) * (int64_t)numerator / (int64_t)denominator;
-                       draw_pixel(frame, x, i);
-               }
-       }
-//printf("MotionCVMain::draw_line 2\n");
-}
-
-#define ARROW_SIZE 10
-void MotionCVMain::draw_arrow(VFrame *frame, int x1, int y1, int x2, int y2)
-{
-       double angle = atan((float)(y2 - y1) / (float)(x2 - x1));
-       double angle1 = angle + (float)145 / 360 * 2 * 3.14159265;
-       double angle2 = angle - (float)145 / 360 * 2 * 3.14159265;
-       int x3;
-       int y3;
-       int x4;
-       int y4;
-       if(x2 < x1)
-       {
-               x3 = x2 - (int)(ARROW_SIZE * cos(angle1));
-               y3 = y2 - (int)(ARROW_SIZE * sin(angle1));
-               x4 = x2 - (int)(ARROW_SIZE * cos(angle2));
-               y4 = y2 - (int)(ARROW_SIZE * sin(angle2));
-       }
-       else
-       {
-               x3 = x2 + (int)(ARROW_SIZE * cos(angle1));
-               y3 = y2 + (int)(ARROW_SIZE * sin(angle1));
-               x4 = x2 + (int)(ARROW_SIZE * cos(angle2));
-               y4 = y2 + (int)(ARROW_SIZE * sin(angle2));
-       }
-
-// Main vector
-       draw_line(frame, x1, y1, x2, y2);
-//     draw_line(frame, x1, y1 + 1, x2, y2 + 1);
-
-// Arrow line
-       if(abs(y2 - y1) || abs(x2 - x1)) draw_line(frame, x2, y2, x3, y3);
-//     draw_line(frame, x2, y2 + 1, x3, y3 + 1);
-// Arrow line
-       if(abs(y2 - y1) || abs(x2 - x1)) draw_line(frame, x2, y2, x4, y4);
-//     draw_line(frame, x2, y2 + 1, x4, y4 + 1);
-}
-
-
-
-
-#define ABS_DIFF(type, temp_type, multiplier, components) \
-{ \
-       temp_type result_temp = 0; \
-       for(int i = 0; i < h; i++) \
-       { \
-               type *prev_row = (type*)prev_ptr; \
-               type *current_row = (type*)current_ptr; \
-               for(int j = 0; j < w; j++) \
-               { \
-                       for(int k = 0; k < 3; k++) \
-                       { \
-                               temp_type difference; \
-                               difference = *prev_row++ - *current_row++; \
-                               if(difference < 0) \
-                                       result_temp -= difference; \
-                               else \
-                                       result_temp += difference; \
-                       } \
-                       if(components == 4) \
-                       { \
-                               prev_row++; \
-                               current_row++; \
-                       } \
-               } \
-               prev_ptr += row_bytes; \
-               current_ptr += row_bytes; \
-       } \
-       result = (int64_t)(result_temp * multiplier); \
-}
-
-int64_t MotionCVMain::abs_diff(unsigned char *prev_ptr,
-       unsigned char *current_ptr,
-       int row_bytes,
-       int w,
-       int h,
-       int color_model)
-{
-       int64_t result = 0;
-       switch(color_model)
-       {
-               case BC_RGB888:
-                       ABS_DIFF(unsigned char, int64_t, 1, 3)
-                       break;
-               case BC_RGBA8888:
-                       ABS_DIFF(unsigned char, int64_t, 1, 4)
-                       break;
-               case BC_RGB_FLOAT:
-                       ABS_DIFF(float, double, 0x10000, 3)
-                       break;
-               case BC_RGBA_FLOAT:
-                       ABS_DIFF(float, double, 0x10000, 4)
-                       break;
-               case BC_YUV888:
-                       ABS_DIFF(unsigned char, int64_t, 1, 3)
-                       break;
-               case BC_YUVA8888:
-                       ABS_DIFF(unsigned char, int64_t, 1, 4)
-                       break;
-               case BC_YUV161616:
-                       ABS_DIFF(uint16_t, int64_t, 1, 3)
-                       break;
-               case BC_YUVA16161616:
-                       ABS_DIFF(uint16_t, int64_t, 1, 4)
-                       break;
-       }
-       return result;
-}
-
-
-
-#define ABS_DIFF_SUB(type, temp_type, multiplier, components) \
-{ \
-       temp_type result_temp = 0; \
-       temp_type y2_fraction = sub_y * 0x100 / OVERSAMPLE; \
-       temp_type y1_fraction = 0x100 - y2_fraction; \
-       temp_type x2_fraction = sub_x * 0x100 / OVERSAMPLE; \
-       temp_type x1_fraction = 0x100 - x2_fraction; \
-       for(int i = 0; i < h_sub; i++) \
-       { \
-               type *prev_row1 = (type*)prev_ptr; \
-               type *prev_row2 = (type*)prev_ptr + components; \
-               type *prev_row3 = (type*)(prev_ptr + row_bytes); \
-               type *prev_row4 = (type*)(prev_ptr + row_bytes) + components; \
-               type *current_row = (type*)current_ptr; \
-               for(int j = 0; j < w_sub; j++) \
-               { \
-                       for(int k = 0; k < 3; k++) \
-                       { \
-                               temp_type difference; \
-                               temp_type prev_value = \
-                                       (*prev_row1++ * x1_fraction * y1_fraction + \
-                                       *prev_row2++ * x2_fraction * y1_fraction + \
-                                       *prev_row3++ * x1_fraction * y2_fraction + \
-                                       *prev_row4++ * x2_fraction * y2_fraction) / \
-                                       0x100 / 0x100; \
-                               temp_type current_value = *current_row++; \
-                               difference = prev_value - current_value; \
-                               if(difference < 0) \
-                                       result_temp -= difference; \
-                               else \
-                                       result_temp += difference; \
-                       } \
- \
-                       if(components == 4) \
-                       { \
-                               prev_row1++; \
-                               prev_row2++; \
-                               prev_row3++; \
-                               prev_row4++; \
-                               current_row++; \
-                       } \
-               } \
-               prev_ptr += row_bytes; \
-               current_ptr += row_bytes; \
-       } \
-       result = (int64_t)(result_temp * multiplier); \
-}
-
-
-
-
-int64_t MotionCVMain::abs_diff_sub(unsigned char *prev_ptr,
-       unsigned char *current_ptr,
-       int row_bytes,
-       int w,
-       int h,
-       int color_model,
-       int sub_x,
-       int sub_y)
-{
-       int h_sub = h - 1;
-       int w_sub = w - 1;
-       int64_t result = 0;
-
-       switch(color_model)
-       {
-               case BC_RGB888:
-                       ABS_DIFF_SUB(unsigned char, int64_t, 1, 3)
-                       break;
-               case BC_RGBA8888:
-                       ABS_DIFF_SUB(unsigned char, int64_t, 1, 4)
-                       break;
-               case BC_RGB_FLOAT:
-                       ABS_DIFF_SUB(float, double, 0x10000, 3)
-                       break;
-               case BC_RGBA_FLOAT:
-                       ABS_DIFF_SUB(float, double, 0x10000, 4)
-                       break;
-               case BC_YUV888:
-                       ABS_DIFF_SUB(unsigned char, int64_t, 1, 3)
-                       break;
-               case BC_YUVA8888:
-                       ABS_DIFF_SUB(unsigned char, int64_t, 1, 4)
-                       break;
-               case BC_YUV161616:
-                       ABS_DIFF_SUB(uint16_t, int64_t, 1, 3)
-                       break;
-               case BC_YUVA16161616:
-                       ABS_DIFF_SUB(uint16_t, int64_t, 1, 4)
-                       break;
-       }
-       return result;
-}
-
-
-
-
-
-MotionCVScanPackage::MotionCVScanPackage()
- : LoadPackage()
-{
-       valid = 1;
-}
-
-
-
-
-
-
-MotionCVScanUnit::MotionCVScanUnit(MotionCVScan *server, 
-       MotionCVMain *plugin)
- : LoadClient(server)
-{
-       this->plugin = plugin;
-       this->server = server;
-       cache_lock = new Mutex("MotionCVScanUnit::cache_lock");
-}
-
-MotionCVScanUnit::~MotionCVScanUnit()
-{
-       delete cache_lock;
-}
-
-
-
-void MotionCVScanUnit::process_package(LoadPackage *package)
-{
-       MotionCVScanPackage *pkg = (MotionCVScanPackage*)package;
-       //int w = server->current_frame->get_w();
-       //int h = server->current_frame->get_h();
-       int color_model = server->current_frame->get_color_model();
-       int pixel_size = BC_CModels::calculate_pixelsize(color_model);
-       int row_bytes = server->current_frame->get_bytes_per_line();
-
-
-
-
-
-
-
-
-
-
-
-
-// Single pixel
-       if(!server->subpixel)
-       {
-               int search_x = pkg->scan_x1 + (pkg->pixel % (pkg->scan_x2 - pkg->scan_x1));
-               int search_y = pkg->scan_y1 + (pkg->pixel / (pkg->scan_x2 - pkg->scan_x1));
-
-// Try cache
-               pkg->difference1 = server->get_cache(search_x, search_y);
-               if(pkg->difference1 < 0)
-               {
-//printf("MotionCVScanUnit::process_package 1 %d %d\n", 
-//search_x, search_y, pkg->block_x2 - pkg->block_x1, pkg->block_y2 - pkg->block_y1);
-// Pointers to first pixel in each block
-                       unsigned char *prev_ptr = server->previous_frame->get_rows()[
-                               search_y] +     
-                               search_x * pixel_size;
-                       unsigned char *current_ptr = server->current_frame->get_rows()[
-                               pkg->block_y1] +
-                               pkg->block_x1 * pixel_size;
-// Scan block
-                       pkg->difference1 = plugin->abs_diff(prev_ptr,
-                               current_ptr,
-                               row_bytes,
-                               pkg->block_x2 - pkg->block_x1,
-                               pkg->block_y2 - pkg->block_y1,
-                               color_model);
-//printf("MotionCVScanUnit::process_package 2\n");
-                       server->put_cache(search_x, search_y, pkg->difference1);
-               }
-       }
-
-
-
-
-
-
-
-       else
-
-
-
-
-
-
-
-
-// Sub pixel
-       {
-               int sub_x = pkg->pixel % (OVERSAMPLE * 2 - 1) + 1;
-               int sub_y = pkg->pixel / (OVERSAMPLE * 2 - 1) + 1;
-
-               if(plugin->config.horizontal_only)
-               {
-                       sub_y = 0;
-               }
-
-               if(plugin->config.vertical_only)
-               {
-                       sub_x = 0;
-               }
-
-               int search_x = pkg->scan_x1 + sub_x / OVERSAMPLE;
-               int search_y = pkg->scan_y1 + sub_y / OVERSAMPLE;
-               sub_x %= OVERSAMPLE;
-               sub_y %= OVERSAMPLE;
-
-
-               unsigned char *prev_ptr = server->previous_frame->get_rows()[
-                       search_y] +
-                       search_x * pixel_size;
-               unsigned char *current_ptr = server->current_frame->get_rows()[
-                       pkg->block_y1] +
-                       pkg->block_x1 * pixel_size;
-
-// With subpixel, there are two ways to compare each position, one by shifting
-// the previous frame and two by shifting the current frame.
-               pkg->difference1 = plugin->abs_diff_sub(prev_ptr,
-                       current_ptr,
-                       row_bytes,
-                       pkg->block_x2 - pkg->block_x1,
-                       pkg->block_y2 - pkg->block_y1,
-                       color_model,
-                       sub_x,
-                       sub_y);
-               pkg->difference2 = plugin->abs_diff_sub(current_ptr,
-                       prev_ptr,
-                       row_bytes,
-                       pkg->block_x2 - pkg->block_x1,
-                       pkg->block_y2 - pkg->block_y1,
-                       color_model,
-                       sub_x,
-                       sub_y);
-// printf("MotionCVScanUnit::process_package sub_x=%d sub_y=%d search_x=%d search_y=%d diff1=%lld diff2=%lld\n",
-// sub_x,
-// sub_y,
-// search_x,
-// search_y,
-// pkg->difference1,
-// pkg->difference2);
-       }
-
-
-
-
-}
-
-
-
-
-
-
-
-
-
-
-int64_t MotionCVScanUnit::get_cache(int x, int y)
-{
-       int64_t result = -1;
-       cache_lock->lock("MotionCVScanUnit::get_cache");
-       for(int i = 0; i < cache.total; i++)
-       {
-               MotionCVScanCache *ptr = cache.values[i];
-               if(ptr->x == x && ptr->y == y)
-               {
-                       result = ptr->difference;
-                       break;
-               }
-       }
-       cache_lock->unlock();
-       return result;
-}
-
-void MotionCVScanUnit::put_cache(int x, int y, int64_t difference)
-{
-       MotionCVScanCache *ptr = new MotionCVScanCache(x, y, difference);
-       cache_lock->lock("MotionCVScanUnit::put_cache");
-       cache.append(ptr);
-       cache_lock->unlock();
-}
-
-
-
-
-
-
-
-
-
-
-
-MotionCVScan::MotionCVScan(MotionCVMain *plugin, 
-       int total_clients,
-       int total_packages)
- : LoadServer(
-//1, 1 
-total_clients, total_packages 
-)
-{
-       this->plugin = plugin;
-       cache_lock = new Mutex("MotionCVScan::cache_lock");
-}
-
-MotionCVScan::~MotionCVScan()
-{
-       delete cache_lock;
-}
-
-
-void MotionCVScan::init_packages()
-{
-// Set package coords
-       for(int i = 0; i < get_total_packages(); i++)
-       {
-               MotionCVScanPackage *pkg = (MotionCVScanPackage*)get_package(i);
-
-               pkg->block_x1 = block_x1;
-               pkg->block_x2 = block_x2;
-               pkg->block_y1 = block_y1;
-               pkg->block_y2 = block_y2;
-               pkg->scan_x1 = scan_x1;
-               pkg->scan_x2 = scan_x2;
-               pkg->scan_y1 = scan_y1;
-               pkg->scan_y2 = scan_y2;
-               pkg->pixel = (int64_t)i * (int64_t)total_pixels / (int64_t)total_steps;
-               pkg->difference1 = 0;
-               pkg->difference2 = 0;
-               pkg->dx = 0;
-               pkg->dy = 0;
-               pkg->valid = 1;
-       }
-}
-
-LoadClient* MotionCVScan::new_client()
-{
-       return new MotionCVScanUnit(this, plugin);
-}
-
-LoadPackage* MotionCVScan::new_package()
-{
-       return new MotionCVScanPackage;
-}
-
-
-void MotionCVScan::scan_frame(VFrame *previous_frame,
-       VFrame *current_frame)
-{
-       this->previous_frame = previous_frame;
-       this->current_frame = current_frame;
-       subpixel = 0;
-
-       cache.remove_all_objects();
-
-
-// Single macroblock
-       int w = current_frame->get_w();
-       int h = current_frame->get_h();
-
-// Initial search parameters
-       int scan_w = w * plugin->config.global_range_w / 100;
-       int scan_h = h * plugin->config.global_range_h / 100;
-       int block_w = w * plugin->config.global_block_w / 100;
-       int block_h = h * plugin->config.global_block_h / 100;
-
-// Location of block in previous frame
-       block_x1 = (int)(w * plugin->config.block_x / 100 - block_w / 2);
-       block_y1 = (int)(h * plugin->config.block_y / 100 - block_h / 2);
-       block_x2 = (int)(w * plugin->config.block_x / 100 + block_w / 2);
-       block_y2 = (int)(h * plugin->config.block_y / 100 + block_h / 2);
-
-// Offset to location of previous block.  This offset needn't be very accurate
-// since it's the offset of the previous image and current image we want.
-       if(plugin->config.mode3 == MotionCVConfig::TRACK_PREVIOUS)
-       {
-               block_x1 += plugin->total_dx / OVERSAMPLE;
-               block_y1 += plugin->total_dy / OVERSAMPLE;
-               block_x2 += plugin->total_dx / OVERSAMPLE;
-               block_y2 += plugin->total_dy / OVERSAMPLE;
-       }
-
-       skip = 0;
-
-       switch(plugin->config.mode2)
-       {
-// Don't calculate
-               case MotionCVConfig::NO_CALCULATE:
-                       dx_result = 0;
-                       dy_result = 0;
-                       skip = 1;
-                       break;
-
-               case MotionCVConfig::LOAD:
-               {
-// Load result from disk
-                       char string[BCTEXTLEN];
-                       sprintf(string, "%s%06jd", MOTION_FILE, plugin->get_source_position());
-                       FILE *input = fopen(string, "r");
-                       if(input)
-                       {
-                               fscanf(input, 
-                                       "%d %d", 
-                                       &dx_result,
-                                       &dy_result);
-                               fclose(input);
-                               skip = 1;
-                       }
-                       break;
-               }
-
-// Scan from scratch
-               default:
-                       skip = 0;
-                       break;
-       }
-
-// Perform scan
-       if(!skip)
-       {
-// Location of block in current frame
-               int x_result = block_x1;
-               int y_result = block_y1;
-
-// printf("MotionCVScan::scan_frame 1 %d %d %d %d %d %d %d %d\n",
-// block_x1 + block_w / 2,
-// block_y1 + block_h / 2,
-// block_w,
-// block_h,
-// block_x1,
-// block_y1,
-// block_x2,
-// block_y2);
-
-               while(1)
-               {
-                       scan_x1 = x_result - scan_w / 2;
-                       scan_y1 = y_result - scan_h / 2;
-                       scan_x2 = x_result + scan_w / 2;
-                       scan_y2 = y_result + scan_h / 2;
-
-
-
-// Zero out requested values
-                       if(plugin->config.horizontal_only)
-                       {
-                               scan_y1 = block_y1;
-                               scan_y2 = block_y1 + 1;
-                       }
-                       if(plugin->config.vertical_only)
-                       {
-                               scan_x1 = block_x1;
-                               scan_x2 = block_x1 + 1;
-                       }
-
-// printf("MotionCVScan::scan_frame 1 %d %d %d %d %d %d %d %d\n",
-// block_x1,
-// block_y1,
-// block_x2,
-// block_y2,
-// scan_x1,
-// scan_y1,
-// scan_x2,
-// scan_y2);
-// Clamp the block coords before the scan so we get useful scan coords.
-                       MotionCVMain::clamp_scan(w, 
-                               h, 
-                               &block_x1,
-                               &block_y1,
-                               &block_x2,
-                               &block_y2,
-                               &scan_x1,
-                               &scan_y1,
-                               &scan_x2,
-                               &scan_y2,
-                               0);
-// printf("MotionCVScan::scan_frame 1\n    block_x1=%d block_y1=%d block_x2=%d block_y2=%d\n    scan_x1=%d scan_y1=%d scan_x2=%d scan_y2=%d\n    x_result=%d y_result=%d\n", 
-// block_x1,
-// block_y1,
-// block_x2,
-// block_y2,
-// scan_x1, 
-// scan_y1, 
-// scan_x2, 
-// scan_y2, 
-// x_result, 
-// y_result);
-
-
-// Give up if invalid coords.
-                       if(scan_y2 <= scan_y1 ||
-                               scan_x2 <= scan_x1 ||
-                               block_x2 <= block_x1 ||
-                               block_y2 <= block_y1)
-                               break;
-
-// For subpixel, the top row and left column are skipped
-                       if(subpixel)
-                       {
-                               if(plugin->config.horizontal_only ||
-                                       plugin->config.vertical_only)
-                               {
-                                       total_pixels = 4 * OVERSAMPLE * OVERSAMPLE - 4 * OVERSAMPLE;
-                               }
-                               else
-                               {
-                                       total_pixels = 4 * OVERSAMPLE;
-                               }
-
-                               total_steps = total_pixels;
-
-                               set_package_count(total_steps);
-                               process_packages();
-
-// Get least difference
-                               int64_t min_difference = -1;
-                               for(int i = 0; i < get_total_packages(); i++)
-                               {
-                                       MotionCVScanPackage *pkg = (MotionCVScanPackage*)get_package(i);
-                                       if(pkg->difference1 < min_difference || min_difference == -1)
-                                       {
-                                               min_difference = pkg->difference1;
-
-                                               if(plugin->config.vertical_only)
-                                                       x_result = scan_x1 * OVERSAMPLE;
-                                               else
-                                                       x_result = scan_x1 * OVERSAMPLE + 
-                                                               (pkg->pixel % (OVERSAMPLE * 2 - 1)) + 1;
-                                               
-                                               if(plugin->config.horizontal_only)
-                                                       y_result = scan_y1 * OVERSAMPLE;
-                                               else
-                                                       y_result = scan_y1 * OVERSAMPLE + 
-                                                               (pkg->pixel / (OVERSAMPLE * 2 - 1)) + 1;
-
-
-// Fill in results
-                                               dx_result = block_x1 * OVERSAMPLE - x_result;
-                                               dy_result = block_y1 * OVERSAMPLE - y_result;
-                                       }
-
-                                       if(pkg->difference2 < min_difference)
-                                       {
-                                               min_difference = pkg->difference2;
-
-                                               if(plugin->config.vertical_only)
-                                                       x_result = scan_x1 * OVERSAMPLE;
-                                               else
-                                                       x_result = scan_x2 * OVERSAMPLE -
-                                                               ((pkg->pixel % (OVERSAMPLE * 2 - 1)) + 1);
-
-                                               if(plugin->config.horizontal_only)
-                                                       y_result = scan_y1 * OVERSAMPLE;
-                                               else
-                                                       y_result = scan_y2 * OVERSAMPLE -
-                                                               ((pkg->pixel / (OVERSAMPLE * 2 - 1)) + 1);
-
-                                               dx_result = block_x1 * OVERSAMPLE - x_result;
-                                               dy_result = block_y1 * OVERSAMPLE - y_result;
-                                       }
-                               }
-
-//printf("MotionCVScan::scan_frame 1 %d %d %d %d\n", block_x1, block_y1, x_result, y_result);
-                               break;
-                       }
-                       else
-                       {
-                               total_pixels = (scan_x2 - scan_x1) * (scan_y2 - scan_y1);
-                               total_steps = MIN(plugin->config.global_positions, total_pixels);
-
-                               set_package_count(total_steps);
-                               process_packages();
-
-// Get least difference
-                               int64_t min_difference = -1;
-                               for(int i = 0; i < get_total_packages(); i++)
-                               {
-                                       MotionCVScanPackage *pkg = (MotionCVScanPackage*)get_package(i);
-                                       if(pkg->difference1 < min_difference || min_difference == -1)
-                                       {
-                                               min_difference = pkg->difference1;
-                                               x_result = scan_x1 + (pkg->pixel % (scan_x2 - scan_x1));
-                                               y_result = scan_y1 + (pkg->pixel / (scan_x2 - scan_x1));
-                                               x_result *= OVERSAMPLE;
-                                               y_result *= OVERSAMPLE;
-                                       }
-                               }
-
-// printf("MotionCVScan::scan_frame 10 total_steps=%d total_pixels=%d subpixel=%d\n",
-// total_steps, 
-// total_pixels,
-// subpixel);
-// 
-// printf("    scan w=%d h=%d scan x1=%d y1=%d x2=%d y2=%d\n",
-// scan_w,
-// scan_h, 
-// scan_x1,
-// scan_y1,
-// scan_x2,
-// scan_y2);
-// 
-// printf("MotionCVScan::scan_frame 2 block x1=%d y1=%d x2=%d y2=%d result x=%.2f y=%.2f\n", 
-// block_x1, 
-// block_y1, 
-// block_x2,
-// block_y2,
-// (float)x_result / 4, 
-// (float)y_result / 4);
-
-
-// If a new search is required, rescale results back to pixels.
-                               if(total_steps >= total_pixels)
-                               {
-// Single pixel accuracy reached.  Now do exhaustive subpixel search.
-                                       if(plugin->config.mode1 == MotionCVConfig::STABILIZE ||
-                                               plugin->config.mode1 == MotionCVConfig::TRACK ||
-                                               plugin->config.mode1 == MotionCVConfig::NOTHING)
-                                       {
-                                               x_result /= OVERSAMPLE;
-                                               y_result /= OVERSAMPLE;
-                                               scan_w = 2;
-                                               scan_h = 2;
-                                               subpixel = 1;
-                                       }
-                                       else
-                                       {
-// Fill in results and quit
-                                               dx_result = block_x1 * OVERSAMPLE - x_result;
-                                               dy_result = block_y1 * OVERSAMPLE - y_result;
-                                               break;
-                                       }
-                               }
-                               else
-// Reduce scan area and try again
-                               {
-                                       scan_w = (scan_x2 - scan_x1) / 2;
-                                       scan_h = (scan_y2 - scan_y1) / 2;
-                                       x_result /= OVERSAMPLE;
-                                       y_result /= OVERSAMPLE;
-                               }
-                       }
-               }
-
-               dx_result *= -1;
-               dy_result *= -1;
-
-               // Add offsets from the "tracked single frame"
-               if (plugin->config.addtrackedframeoffset) {
-                 int tf_dx_result, tf_dy_result;
-                 char string[BCTEXTLEN];
-                 sprintf(string, "%s%06jd", MOTION_FILE, plugin->config.track_frame);
-                 FILE *input = fopen(string, "r");
-                 if(input)
-                   {
-                     fscanf(input, 
-                            "%d %d", 
-                            &tf_dx_result,
-                            &tf_dy_result);
-                     dx_result += tf_dx_result;
-                     dy_result += tf_dy_result;
-                     fclose(input);
-                   }
-               }
-
-       }
-
-
-
-
-
-
-// Write results
-       if(plugin->config.mode2 == MotionCVConfig::SAVE)
-       {
-               char string[BCTEXTLEN];
-               sprintf(string, 
-                       "%s%06jd", 
-                       MOTION_FILE, 
-                       plugin->get_source_position());
-               FILE *output = fopen(string, "w");
-               if(output)
-               {
-                       fprintf(output, 
-                               "%d %d\n",
-                               dx_result,
-                               dy_result);
-                       fclose(output);
-               }
-               else
-               {
-                       perror("MotionCVScan::scan_frame SAVE 1");
-               }
-       }
-
-#ifdef DEBUG
-printf("MotionCVScan::scan_frame 10 dx=%.2f dy=%.2f\n", 
-(float)this->dx_result / OVERSAMPLE,
-(float)this->dy_result / OVERSAMPLE);
-#endif
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-int64_t MotionCVScan::get_cache(int x, int y)
-{
-       int64_t result = -1;
-       cache_lock->lock("MotionCVScan::get_cache");
-       for(int i = 0; i < cache.total; i++)
-       {
-               MotionCVScanCache *ptr = cache.values[i];
-               if(ptr->x == x && ptr->y == y)
-               {
-                       result = ptr->difference;
-                       break;
-               }
-       }
-       cache_lock->unlock();
-       return result;
-}
-
-void MotionCVScan::put_cache(int x, int y, int64_t difference)
-{
-       MotionCVScanCache *ptr = new MotionCVScanCache(x, y, difference);
-       cache_lock->lock("MotionCVScan::put_cache");
-       cache.append(ptr);
-       cache_lock->unlock();
-}
-
-
-
-
-
-MotionCVScanCache::MotionCVScanCache(int x, int y, int64_t difference)
-{
-       this->x = x;
-       this->y = y;
-       this->difference = difference;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-RotateCVScanPackage::RotateCVScanPackage()
-{
-}
-
-
-RotateCVScanUnit::RotateCVScanUnit(RotateCVScan *server, MotionCVMain *plugin)
- : LoadClient(server)
-{
-       this->server = server;
-       this->plugin = plugin;
-       rotater = 0;
-       temp = 0;
-}
-
-RotateCVScanUnit::~RotateCVScanUnit()
-{
-       delete rotater;
-       delete temp;
-}
-
-void RotateCVScanUnit::process_package(LoadPackage *package)
-{
-       if(server->skip) return;
-       RotateCVScanPackage *pkg = (RotateCVScanPackage*)package;
-
-       if((pkg->difference = server->get_cache(pkg->angle)) < 0)
-       {
-//printf("RotateCVScanUnit::process_package 1\n");
-               int color_model = server->previous_frame->get_color_model();
-               int pixel_size = BC_CModels::calculate_pixelsize(color_model);
-               int row_bytes = server->previous_frame->get_bytes_per_line();
-
-               if(!rotater)
-                       rotater = new AffineEngine(1, 1);
-               if(!temp) temp = new VFrame(
-                       server->previous_frame->get_w(),
-                       server->previous_frame->get_h(),
-                       color_model);
-
-
-// RotateCV original block size
-               rotater->set_viewport(server->block_x1, 
-                       server->block_y1,
-                       server->block_x2 - server->block_x1,
-                       server->block_y2 - server->block_y1);
-               rotater->set_pivot(server->block_x, server->block_y);
-//pkg->angle = 2;
-               rotater->rotate(temp,
-                       server->previous_frame,
-                       pkg->angle);
-// Clamp coordinates
-               int x1 = server->scan_x;
-               int y1 = server->scan_y;
-               int x2 = x1 + server->scan_w;
-               int y2 = y1 + server->scan_h;
-               x2 = MIN(temp->get_w(), x2);
-               y2 = MIN(temp->get_h(), y2);
-               x2 = MIN(server->current_frame->get_w(), x2);
-               y2 = MIN(server->current_frame->get_h(), y2);
-               x1 = MAX(0, x1);
-               y1 = MAX(0, y1);
-
-               if(x2 > x1 && y2 > y1)
-               {
-                       pkg->difference = plugin->abs_diff(
-                               temp->get_rows()[y1] + x1 * pixel_size,
-                               server->current_frame->get_rows()[y1] + x1 * pixel_size,
-                               row_bytes,
-                               x2 - x1,
-                               y2 - y1,
-                               color_model);
-//printf("RotateCVScanUnit::process_package %d\n", __LINE__);
-                       server->put_cache(pkg->angle, pkg->difference);
-                }
-
-// printf("RotateCVScanUnit::process_package 10 x=%d y=%d w=%d h=%d block_x=%d block_y=%d angle=%f scan_w=%d scan_h=%d diff=%lld\n", 
-// server->block_x1, 
-// server->block_y1,
-// server->block_x2 - server->block_x1,
-// server->block_y2 - server->block_y1,
-// server->block_x,
-// server->block_y,
-// pkg->angle, 
-// server->scan_w,
-// server->scan_h,
-// pkg->difference);
-       }
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-RotateCVScan::RotateCVScan(MotionCVMain *plugin, 
-       int total_clients, 
-       int total_packages)
- : LoadServer(
-//1, 1 
-total_clients, total_packages 
-)
-{
-       this->plugin = plugin;
-       cache_lock = new Mutex("RotateCVScan::cache_lock");
-}
-
-
-RotateCVScan::~RotateCVScan()
-{
-       delete cache_lock;
-}
-
-void RotateCVScan::init_packages()
-{
-       for(int i = 0; i < get_total_packages(); i++)
-       {
-               RotateCVScanPackage *pkg = (RotateCVScanPackage*)get_package(i);
-               pkg->angle = i * 
-                       (scan_angle2 - scan_angle1) / 
-                       (total_steps - 1) + 
-                       scan_angle1;
-       }
-}
-
-LoadClient* RotateCVScan::new_client()
-{
-       return new RotateCVScanUnit(this, plugin);
-}
-
-LoadPackage* RotateCVScan::new_package()
-{
-       return new RotateCVScanPackage;
-}
-
-
-float RotateCVScan::scan_frame(VFrame *previous_frame,
-       VFrame *current_frame,
-       int block_x,
-       int block_y)
-{
-       skip = 0;
-       this->block_x = block_x;
-       this->block_y = block_y;
-
-       switch(plugin->config.mode2)
-       {
-               case MotionCVConfig::NO_CALCULATE:
-                       result = 0;
-                       skip = 1;
-                       break;
-
-               case MotionCVConfig::LOAD:
-               {
-                       char string[BCTEXTLEN];
-                       sprintf(string, "%s%06jd", ROTATION_FILE, plugin->get_source_position());
-                       FILE *input = fopen(string, "r");
-                       if(input)
-                       {
-                               fscanf(input, "%f", &result);
-                               fclose(input);
-                               skip = 1;
-                       }
-                       else
-                       {
-                               perror("RotateCVScan::scan_frame LOAD");
-                       }
-                       break;
-               }
-       }
-
-
-
-
-
-
-
-
-       this->previous_frame = previous_frame;
-       this->current_frame = current_frame;
-       int w = current_frame->get_w();
-       int h = current_frame->get_h();
-       int block_w = w * plugin->config.rotation_block_w / 100;
-       int block_h = h * plugin->config.rotation_block_h / 100;
-
-       if(this->block_x - block_w / 2 < 0) block_w = this->block_x * 2;
-       if(this->block_y - block_h / 2 < 0) block_h = this->block_y * 2;
-       if(this->block_x + block_w / 2 > w) block_w = (w - this->block_x) * 2;
-       if(this->block_y + block_h / 2 > h) block_h = (h - this->block_y) * 2;
-
-       block_x1 = this->block_x - block_w / 2;
-       block_x2 = this->block_x + block_w / 2;
-       block_y1 = this->block_y - block_h / 2;
-       block_y2 = this->block_y + block_h / 2;
-
-
-// Calculate the maximum area available to scan after rotation.
-// Must be calculated from the starting range because of cache.
-// Get coords of rectangle after rotation.
-       double center_x = this->block_x;
-       double center_y = this->block_y;
-       double max_angle = plugin->config.rotation_range;
-       double base_angle1 = atan((float)block_h / block_w);
-       double base_angle2 = atan((float)block_w / block_h);
-       double target_angle1 = base_angle1 + max_angle * 2 * M_PI / 360;
-       double target_angle2 = base_angle2 + max_angle * 2 * M_PI / 360;
-       double radius = sqrt(block_w * block_w + block_h * block_h) / 2;
-       double x1 = center_x - cos(target_angle1) * radius;
-       double y1 = center_y - sin(target_angle1) * radius;
-       double x2 = center_x + sin(target_angle2) * radius;
-       double y2 = center_y - cos(target_angle2) * radius;
-       double x3 = center_x - sin(target_angle2) * radius;
-       double y3 = center_y + cos(target_angle2) * radius;
-
-// Track top edge to find greatest area.
-       double max_area1 = 0;
-       //double max_x1 = 0;
-       double max_y1 = 0;
-       for(double x = x1; x < x2; x++)
-       {
-               double y = y1 + (y2 - y1) * (x - x1) / (x2 - x1);
-               if(x >= center_x && x < block_x2 && y >= block_y1 && y < center_y)
-               {
-                       double area = fabs(x - center_x) * fabs(y - center_y);
-                       if(area > max_area1)
-                       {
-                               max_area1 = area;
-                               //max_x1 = x;
-                               max_y1 = y;
-                       }
-               }
-       }
-
-// Track left edge to find greatest area.
-       double max_area2 = 0;
-       double max_x2 = 0;
-       //double max_y2 = 0;
-       for(double y = y1; y < y3; y++)
-       {
-               double x = x1 + (x3 - x1) * (y - y1) / (y3 - y1);
-               if(x >= block_x1 && x < center_x && y >= block_y1 && y < center_y)
-               {
-                       double area = fabs(x - center_x) * fabs(y - center_y);
-                       if(area > max_area2)
-                       {
-                               max_area2 = area;
-                               max_x2 = x;
-                               //max_y2 = y;
-                       }
-               }
-       }
-
-       double max_x, max_y;
-       max_x = max_x2;
-       max_y = max_y1;
-
-// Get reduced scan coords
-       scan_w = (int)(fabs(max_x - center_x) * 2);
-       scan_h = (int)(fabs(max_y - center_y) * 2);
-       scan_x = (int)(center_x - scan_w / 2);
-       scan_y = (int)(center_y - scan_h / 2);
-// printf("RotateCVScan::scan_frame center=%d,%d scan=%d,%d %dx%d\n", 
-// this->block_x, this->block_y, scan_x, scan_y, scan_w, scan_h);
-// printf("    angle_range=%f block= %d,%d,%d,%d\n", max_angle, block_x1, block_y1, block_x2, block_y2);
-
-// Determine min angle from size of block
-       double angle1 = atan((double)block_h / block_w);
-       double angle2 = atan((double)(block_h - 1) / (block_w + 1));
-       double min_angle = fabs(angle2 - angle1) / OVERSAMPLE;
-       min_angle = MAX(min_angle, MIN_ANGLE);
-
-#ifdef DEBUG
-printf("RotateCVScan::scan_frame min_angle=%f\n", min_angle * 360 / 2 / M_PI);
-#endif
-
-       cache.remove_all_objects();
-       if(!skip)
-       {
-// Initial search range
-               float angle_range = (float)plugin->config.rotation_range;
-               result = 0;
-               total_steps = plugin->config.rotate_positions;
-
-
-               while(angle_range >= min_angle * total_steps)
-               {
-                       scan_angle1 = result - angle_range;
-                       scan_angle2 = result + angle_range;
-
-
-                       set_package_count(total_steps);
-//set_package_count(1);
-                       process_packages();
-
-                       int64_t min_difference = -1;
-                       for(int i = 0; i < get_total_packages(); i++)
-                       {
-                               RotateCVScanPackage *pkg = (RotateCVScanPackage*)get_package(i);
-                               if(pkg->difference < min_difference || min_difference == -1)
-                               {
-                                       min_difference = pkg->difference;
-                                       result = pkg->angle;
-                               }
-//break;
-                       }
-
-                       angle_range /= 2;
-
-//break;
-               }
-       }
-
-
-       if(!skip && plugin->config.mode2 == MotionCVConfig::SAVE)
-       {
-               char string[BCTEXTLEN];
-               sprintf(string, 
-                       "%s%06jd", 
-                       ROTATION_FILE, 
-                       plugin->get_source_position());
-               FILE *output = fopen(string, "w");
-               if(output)
-               {
-                       fprintf(output, "%f\n", result);
-                       fclose(output);
-               }
-               else
-               {
-                       perror("RotateCVScan::scan_frame SAVE");
-               }
-       }
-
-#ifdef DEBUG
-printf("RotateCVScan::scan_frame 10 angle=%f\n", result);
-#endif
-       
-
-
-       return result;
-}
-
-int64_t RotateCVScan::get_cache(float angle)
-{
-       int64_t result = -1;
-       cache_lock->lock("RotateCVScan::get_cache");
-       for(int i = 0; i < cache.total; i++)
-       {
-               RotateCVScanCache *ptr = cache.values[i];
-               if(fabs(ptr->angle - angle) <= MIN_ANGLE)
-               {
-                       result = ptr->difference;
-                       break;
-               }
-       }
-       cache_lock->unlock();
-       return result;
-}
-
-void RotateCVScan::put_cache(float angle, int64_t difference)
-{
-       RotateCVScanCache *ptr = new RotateCVScanCache(angle, difference);
-       cache_lock->lock("RotateCVScan::put_cache");
-       cache.append(ptr);
-       cache_lock->unlock();
-}
-
-
-
-
-
-
-
-
-
-RotateCVScanCache::RotateCVScanCache(float angle, int64_t difference)
-{
-       this->angle = angle;
-       this->difference = difference;
-}
-
-
-