--- /dev/null
+
+/*
+ * 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
+ *
+ */
+
+#ifndef MOTIONSCAN_H
+#define MOTIONSCAN_H
+
+
+#include "arraylist.h"
+//#include "../downsample/downsampleengine.inc"
+#include "loadbalance.h"
+#include "vframe.inc"
+#include <stdint.h>
+
+class MotionScan;
+
+#define OVERSAMPLE 4
+#define MOTION_FILE "/tmp/m"
+
+class MotionScanPackage : public LoadPackage
+{
+public:
+ MotionScanPackage();
+
+// For multiple blocks
+// Position of stationary block
+ int block_x1, block_y1, block_x2, block_y2;
+// Range of positions to scan
+ int scan_x1, scan_y1, scan_x2, scan_y2;
+ int dx;
+ int dy;
+ int64_t max_difference;
+ int64_t min_difference;
+ int64_t min_pixel;
+ int is_border;
+ int valid;
+// For single block
+ int step;
+ int64_t difference1;
+ int64_t difference2;
+// Search position to nearest pixel
+ int search_x;
+ int search_y;
+// Subpixel of search position
+ int sub_x;
+ int sub_y;
+};
+
+class MotionScanCache
+{
+public:
+ MotionScanCache(int x, int y, int64_t difference);
+ int x, y;
+ int64_t difference;
+};
+
+class MotionScanUnit : public LoadClient
+{
+public:
+ MotionScanUnit(MotionScan *server);
+ ~MotionScanUnit();
+
+ void process_package(LoadPackage *package);
+ int64_t get_cache(int x, int y);
+ void put_cache(int x, int y, int64_t difference);
+
+ MotionScan *server;
+
+ ArrayList<MotionScanCache*> cache;
+ Mutex *cache_lock;
+};
+
+class MotionScan : public LoadServer
+{
+public:
+ MotionScan(int total_clients,
+ int total_packages);
+ ~MotionScan();
+
+ friend class MotionScanUnit;
+
+ void init_packages();
+ LoadClient* new_client();
+ LoadPackage* new_package();
+// Test for identical frames before scanning
+ void set_test_match(int value);
+
+// Invoke the motion engine for a search
+// Frame before motion
+ void scan_frame(VFrame *previous_frame,
+// Frame after motion
+ VFrame *current_frame,
+ int global_range_w,
+ int global_range_h,
+ int global_block_w,
+ int global_block_h,
+ double block_x,
+ double block_y,
+ int frame_type,
+ int tracking_type,
+ int action_type,
+ int horizontal_only,
+ int vertical_only,
+ int source_position,
+ int total_steps,
+ int total_dx,
+ int total_dy,
+ int global_origin_x,
+ int global_origin_y);
+ int64_t get_cache(int x, int y);
+ void put_cache(int x, int y, int64_t difference);
+
+ static int64_t abs_diff(unsigned char *prev_ptr,
+ unsigned char *current_ptr,
+ int row_bytes,
+ int w,
+ int h,
+ int color_model);
+ static int64_t 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);
+
+
+ static void 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);
+
+// Change between previous frame and current frame multiplied by
+// OVERSAMPLE
+ int dx_result;
+ int dy_result;
+
+ enum
+ {
+// action_type
+ TRACK,
+ STABILIZE,
+ TRACK_PIXEL,
+ STABILIZE_PIXEL,
+ NOTHING
+ };
+
+ enum
+ {
+// tracking_type
+ CALCULATE,
+ SAVE,
+ LOAD,
+ NO_CALCULATE
+ };
+
+ enum
+ {
+// frame_type
+ TRACK_SINGLE,
+ TRACK_PREVIOUS,
+ PREVIOUS_SAME_BLOCK
+ };
+
+private:
+// Pointer to downsampled frame before motion
+ VFrame *previous_frame;
+// Pointer to downsampled frame after motion
+ VFrame *current_frame;
+// Frames passed from user
+ VFrame *previous_frame_arg;
+ VFrame *current_frame_arg;
+// Downsampled frames
+ VFrame *downsampled_previous;
+ VFrame *downsampled_current;
+// Test for identical frames before processing
+// Faster to skip it if the frames are usually different
+ int test_match;
+ int skip;
+// For single block
+ int block_x1;
+ int block_x2;
+ int block_y1;
+ int block_y2;
+ int scan_x1;
+ int scan_y1;
+ int scan_x2;
+ int scan_y2;
+ int total_pixels;
+ int total_steps;
+ int edge_steps;
+ int y_steps;
+ int x_steps;
+ int subpixel;
+ int horizontal_only;
+ int vertical_only;
+ int global_origin_x;
+ int global_origin_y;
+
+ ArrayList<MotionScanCache*> cache;
+ Mutex *cache_lock;
+// DownSampleServer *downsample;
+};
+
+
+
+#endif
projects / goodguy / history.git / blobdiff