498 lines
16 KiB
C++
498 lines
16 KiB
C++
//
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// ZoneMinder Zone Class Implementation, $Date$, $Revision$
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// Copyright (C) 2003 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#include "zm.h"
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#include "zm_db.h"
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#include "zm_zone.h"
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#include "zm_image.h"
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#include "zm_monitor.h"
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void Zone::Setup( Monitor *p_monitor, int p_id, const char *p_label, ZoneType p_type, const Box &p_limits, const Rgb p_alarm_rgb, int p_alarm_threshold, int p_min_alarm_pixels, int p_max_alarm_pixels, const Coord &p_filter_box, int p_min_filter_pixels, int p_max_filter_pixels, int p_min_blob_pixels, int p_max_blob_pixels, int p_min_blobs, int p_max_blobs )
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{
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monitor = p_monitor;
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id = p_id;
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label = new char[strlen(p_label)+1];
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strcpy( label, p_label );
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type = p_type;
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limits = p_limits;
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alarm_rgb = p_alarm_rgb;
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alarm_threshold = p_alarm_threshold;
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min_alarm_pixels = p_min_alarm_pixels;
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max_alarm_pixels = p_max_alarm_pixels;
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filter_box = p_filter_box;
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min_filter_pixels = p_min_filter_pixels;
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max_filter_pixels = p_max_filter_pixels;
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min_blob_pixels = p_min_blob_pixels;
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max_blob_pixels = p_max_blob_pixels;
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min_blobs = p_min_blobs;
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max_blobs = p_max_blobs;
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Info(( "Initialised zone %d/%s - %d - %dx%d - Rgb:%06x, AT:%d, MnAP:%d, MxAP:%d, FB:%dx%d, MnFP:%d, MxFP:%d, MnBS:%d, MxBS:%d, MnB:%d, MxB:%d", id, label, type, limits.Width(), limits.Height(), alarm_rgb, alarm_threshold, min_alarm_pixels, max_alarm_pixels, filter_box.X(), filter_box.Y(), min_filter_pixels, max_filter_pixels, min_blob_pixels, max_blob_pixels, min_blobs, max_blobs ));
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alarmed = false;
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alarm_pixels = 0;
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alarm_filter_pixels = 0;
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alarm_blob_pixels = 0;
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alarm_blobs = 0;
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min_blob_size = 0;
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max_blob_size = 0;
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image = 0;
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score = 0;
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}
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Zone::~Zone()
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{
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delete[] label;
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delete image;
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}
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void Zone::RecordStats( const Event *event )
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{
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static char sql[256];
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sprintf( sql, "insert into Stats set MonitorId=%d, ZoneId=%d, EventId=%d, FrameId=%d, AlarmPixels=%d, FilterPixels=%d, BlobPixels=%d, Blobs=%d, MinBlobSize=%d, MaxBlobSize=%d, MinX=%d, MinY=%d, MaxX=%d, MaxY=%d, Score=%d", monitor->Id(), id, event->Id(), event->Frames()+1, alarm_pixels, alarm_filter_pixels, alarm_blob_pixels, alarm_blobs, min_blob_size, max_blob_size, alarm_box.LoX(), alarm_box.LoY(), alarm_box.HiX(), alarm_box.HiY(), score );
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if ( mysql_query( &dbconn, sql ) )
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{
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Error(( "Can't insert event: %s", mysql_error( &dbconn ) ));
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exit( mysql_errno( &dbconn ) );
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}
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}
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bool Zone::CheckAlarms( const Image *delta_image )
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{
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bool alarm = false;
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ResetStats();
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delete image;
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Image *diff_image = image = new Image( *delta_image );
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alarm_pixels = 0;
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int lo_x = limits.Lo().X();
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int lo_y = limits.Lo().Y();
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int hi_x = limits.Hi().X();
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int hi_y = limits.Hi().Y();
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for ( int y = lo_y; y <= hi_y; y++ )
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{
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unsigned char *pdiff = diff_image->Buffer( lo_x, y );
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for ( int x = lo_x; x <= hi_x; x++, pdiff++ )
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{
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if ( *pdiff > alarm_threshold )
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{
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*pdiff = WHITE;
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alarm_pixels++;
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continue;
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}
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*pdiff = BLACK;
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}
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}
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//diff_image->WriteJpeg( "diff1.jpg" );
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if ( !alarm_pixels ) return( false );
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if ( min_alarm_pixels && alarm_pixels < min_alarm_pixels ) return( false );
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if ( max_alarm_pixels && alarm_pixels > max_alarm_pixels ) return( false );
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alarm_filter_pixels = 0;
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int bx = filter_box.X();
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int by = filter_box.Y();
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int bx1 = bx-1;
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int by1 = by-1;
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// Now eliminate all pixels that don't participate in a blob
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for ( int y = lo_y; y <= hi_y; y++ )
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{
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unsigned char *pdiff = diff_image->Buffer( lo_x, y );
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for ( int x = lo_x; x <= hi_x; x++, pdiff++ )
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{
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if ( *pdiff == WHITE )
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{
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// Check participation in an X blob
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int ldx = (x>=(lo_x+bx1))?-bx1:lo_x-x;
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int hdx = (x<=(hi_x-bx1))?0:((hi_x-x)-bx1);
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int ldy = (y>=(lo_y+by1))?-by1:lo_y-y;
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int hdy = (y<=(hi_y-by1))?0:((hi_y-y)-by1);
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bool blob = false;
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for ( int dy = ldy; !blob && dy <= hdy; dy++ )
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{
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for ( int dx = ldx; !blob && dx <= hdx; dx++ )
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{
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blob = true;
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for ( int dy2 = 0; blob && dy2 < by; dy2++ )
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{
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for ( int dx2 = 0; blob && dx2 < bx; dx2++ )
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{
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unsigned char *cpdiff = diff_image->Buffer( x+dx+dx2, y+dy+dy2 );
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if ( !*cpdiff )
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{
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blob = false;
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}
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}
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}
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}
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}
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if ( !blob )
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{
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*pdiff = BLACK;
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continue;
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}
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alarm_filter_pixels++;
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}
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}
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}
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//diff_image->WriteJpeg( "diff2.jpg" );
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if ( !alarm_filter_pixels ) return( false );
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if ( min_filter_pixels && alarm_filter_pixels < min_filter_pixels ) return( false );
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if ( max_filter_pixels && alarm_filter_pixels > max_filter_pixels ) return( false );
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alarm_blobs = 0;
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typedef struct { unsigned char tag; int count; int lo_x; int hi_x; int lo_y; int hi_y; } BlobStats;
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BlobStats blob_stats[256];
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memset( blob_stats, 0, sizeof(BlobStats)*256 );
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for ( int y = lo_y; y <= hi_y; y++ )
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{
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unsigned char *pdiff = diff_image->Buffer( lo_x, y );
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for ( int x = lo_x; x <= hi_x; x++, pdiff++ )
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{
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if ( *pdiff == WHITE )
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{
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//printf( "Got white pixel at %d,%d (%x)\n", x, y, pdiff );
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int lx = x>lo_x?*(pdiff-1):0;
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int ly = y>lo_y?*(pdiff-diff_image->Width()):0;
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if ( lx )
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{
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//printf( "Left neighbour is %d\n", lx );
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BlobStats *bsx = &blob_stats[lx];
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if ( ly )
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{
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//printf( "Top neighbour is %d\n", ly );
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BlobStats *bsy = &blob_stats[ly];
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if ( lx == ly )
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{
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//printf( "Matching neighbours, setting to %d\n", lx );
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// Add to the blob from the x side (either side really)
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*pdiff = lx;
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bsx->count++;
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//if ( x < bsx->lo_x ) bsx->lo_x = x;
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//if ( y < bsx->lo_y ) bsx->lo_y = y;
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if ( x > bsx->hi_x ) bsx->hi_x = x;
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if ( y > bsx->hi_y ) bsx->hi_y = y;
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}
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else
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{
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// Amortise blobs
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BlobStats *bsm = bsx->count>=bsy->count?bsx:bsy;
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BlobStats *bss = bsm==bsx?bsy:bsx;
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//printf( "Different neighbours, setting pixels of %d to %d\n", bss->tag, bsm->tag );
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// Now change all those pixels to the other setting
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for ( int sy = bss->lo_y; sy <= bss->hi_y; sy++ )
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{
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unsigned char *spdiff = diff_image->Buffer( bss->lo_x, sy );
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for ( int sx = bss->lo_x; sx <= bss->hi_x; sx++, spdiff++ )
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{
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//printf( "Pixel at %d,%d (%x) is %d", sx, sy, spdiff, *spdiff );
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if ( *spdiff == bss->tag )
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{
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//printf( ", setting" );
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*spdiff = bsm->tag;
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}
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//printf( "\n" );
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}
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}
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*pdiff = bsm->tag;
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// Merge the slave blob into the master
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bsm->count += bss->count+1;
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if ( x > bsm->hi_x ) bsm->hi_x = x;
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if ( y > bsm->hi_y ) bsm->hi_y = y;
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if ( bss->lo_x < bsm->lo_x ) bsm->lo_x = bss->lo_x;
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if ( bss->lo_y < bsm->lo_y ) bsm->lo_y = bss->lo_y;
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if ( bss->hi_x > bsm->hi_x ) bsm->hi_x = bss->hi_x;
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if ( bss->hi_y > bsm->hi_y ) bsm->hi_y = bss->hi_y;
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// Clear out the old blob
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bss->tag = 0;
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bss->count = 0;
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bss->lo_x = 0;
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bss->lo_y = 0;
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bss->hi_x = 0;
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bss->hi_y = 0;
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alarm_blobs--;
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}
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}
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else
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{
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//printf( "Setting to left neighbour %d\n", lx );
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// Add to the blob from the x side
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*pdiff = lx;
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bsx->count++;
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//if ( x < bsx->lo_x ) bsx->lo_x = x;
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//if ( y < bsx->lo_y ) bsx->lo_y = y;
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if ( x > bsx->hi_x ) bsx->hi_x = x;
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if ( y > bsx->hi_y ) bsx->hi_y = y;
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}
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}
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else
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{
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if ( ly )
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{
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//printf( "Setting to top neighbour %d\n", ly );
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// Add to the blob from the y side
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BlobStats *bsy = &blob_stats[ly];
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*pdiff = ly;
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bsy->count++;
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//if ( x < bsy->lo_x ) bsy->lo_x = x;
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//if ( y < bsy->lo_y ) bsy->lo_y = y;
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if ( x > bsy->hi_x ) bsy->hi_x = x;
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if ( y > bsy->hi_y ) bsy->hi_y = y;
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}
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else
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{
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// Create a new blob
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for ( int i = 1; i < WHITE; i++ )
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{
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BlobStats *bs = &blob_stats[i];
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if ( !bs->count )
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{
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//printf( "Creating new blob %d\n", i );
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*pdiff = i;
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bs->tag = i;
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bs->count++;
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bs->lo_x = bs->hi_x = x;
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bs->lo_y = bs->hi_y = y;
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alarm_blobs++;
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break;
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}
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}
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}
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}
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}
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}
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}
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//diff_image->WriteJpeg( "diff3.jpg" );
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if ( !alarm_blobs ) return( false );
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alarm_blob_pixels = alarm_filter_pixels;
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min_blob_size = 0;
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max_blob_size = 0;
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// Now eliminate blobs under the alarm_threshold
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for ( int i = 1; i < WHITE; i++ )
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{
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BlobStats *bs = &blob_stats[i];
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if ( bs->count && ((min_blob_pixels && bs->count < min_blob_pixels) || (max_blob_pixels && bs->count > max_blob_pixels)) )
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{
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//Info(( "Eliminating blob %d, %d pixels (%d,%d - %d,%d)\n", i, bs->count, bs->lo_x, bs->lo_y, bs->hi_x, bs->hi_y ));
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for ( int sy = bs->lo_y; sy <= bs->hi_y; sy++ )
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{
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unsigned char *spdiff = diff_image->Buffer( bs->lo_x, sy );
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for ( int sx = bs->lo_x; sx <= bs->hi_x; sx++, spdiff++ )
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{
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if ( *spdiff == bs->tag )
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{
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*spdiff = BLACK;
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}
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}
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}
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alarm_blobs--;
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alarm_blob_pixels -= bs->count;
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bs->tag = 0;
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bs->count = 0;
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bs->lo_x = 0;
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bs->lo_y = 0;
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bs->hi_x = 0;
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bs->hi_y = 0;
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}
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else
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{
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if ( bs->count )
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{
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if ( !min_blob_size || bs->count < min_blob_size ) min_blob_size = bs->count;
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if ( !max_blob_size || bs->count > max_blob_size ) max_blob_size = bs->count;
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}
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}
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}
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if ( !alarm_blobs ) return( false );
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if ( min_blobs && alarm_blobs < min_blobs ) return( false );
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if ( max_blobs && alarm_blobs > max_blobs ) return( false );
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int alarm_lo_x = hi_x+1;
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int alarm_hi_x = lo_x-1;
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int alarm_lo_y = hi_y+1;
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int alarm_hi_y = lo_y-1;
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for ( int i = 1; i < WHITE; i++ )
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{
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BlobStats *bs = &blob_stats[i];
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if ( bs->count )
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{
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if ( alarm_lo_x > bs->lo_x ) alarm_lo_x = bs->lo_x;
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if ( alarm_lo_y > bs->lo_y ) alarm_lo_y = bs->lo_y;
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if ( alarm_hi_x < bs->hi_x ) alarm_hi_x = bs->hi_x;
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if ( alarm_hi_y < bs->hi_y ) alarm_hi_y = bs->hi_y;
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}
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}
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alarm_box = Box( Coord( alarm_lo_x, alarm_lo_y ), Coord( alarm_hi_x, alarm_hi_y ) );
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score = ((100*alarm_blob_pixels)/int(sqrt((double)alarm_blobs)))/(limits.Size().X()*limits.Size().Y());
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if ( type == INCLUSIVE )
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{
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score /= 2;
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}
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else if ( type == EXCLUSIVE )
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{
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score *= 2;
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}
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// Now outline the changed region
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if ( alarm_blobs )
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{
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alarm = true;
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//Image *high_image = image = diff_image->HighlightEdges( alarm_rgb, &limits );
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image = diff_image->HighlightEdges( alarm_rgb, &limits );
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delete diff_image;
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//high_image->WriteJpeg( "diff4.jpg" );
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Info(( "%s: Alarm Pixels: %d, Filter Pixels: %d, Blob Pixels: %d, Blobs: %d, Score: %d", Label(), alarm_pixels, alarm_filter_pixels, alarm_blob_pixels, alarm_blobs, score ));
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}
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return( true );
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}
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int Zone::Load( Monitor *monitor, Zone **&zones )
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{
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static char sql[256];
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sprintf( sql, "select Id,Name,Type+0,Units,LoX,LoY,HiX,HiY,AlarmRGB,AlarmThreshold,MinAlarmPixels,MaxAlarmPixels,FilterX,FilterY,MinFilterPixels,MaxFilterPixels,MinBlobPixels,MaxBlobPixels,MinBlobs,MaxBlobs from Zones where MonitorId = %d order by Type, Id", monitor->Id() );
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if ( mysql_query( &dbconn, sql ) )
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{
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Error(( "Can't run query: %s", mysql_error( &dbconn ) ));
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exit( mysql_errno( &dbconn ) );
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}
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MYSQL_RES *result = mysql_store_result( &dbconn );
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if ( !result )
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{
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Error(( "Can't use query result: %s", mysql_error( &dbconn ) ));
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exit( mysql_errno( &dbconn ) );
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}
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int n_zones = mysql_num_rows( result );
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Info(( "Got %d zones for monitor %s", n_zones, monitor->Name() ));
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delete[] zones;
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zones = new Zone *[n_zones];
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for( int i = 0; MYSQL_ROW dbrow = mysql_fetch_row( result ); i++ )
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{
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int Id = atoi(dbrow[0]);
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const char *Name = dbrow[1];
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int Type = atoi(dbrow[2]);
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const char *Units = dbrow[3];
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int LoX = atoi(dbrow[4]);
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int LoY = atoi(dbrow[5]);
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int HiX = atoi(dbrow[6]);
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int HiY = atoi(dbrow[7]);
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int AlarmRGB = dbrow[8]?atoi(dbrow[8]):0;
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int AlarmThreshold = dbrow[9]?atoi(dbrow[9]):0;
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int MinAlarmPixels = dbrow[10]?atoi(dbrow[10]):0;
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int MaxAlarmPixels = dbrow[11]?atoi(dbrow[11]):0;
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int FilterX = dbrow[12]?atoi(dbrow[12]):0;
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int FilterY = dbrow[13]?atoi(dbrow[13]):0;
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int MinFilterPixels = dbrow[14]?atoi(dbrow[14]):0;
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int MaxFilterPixels = dbrow[15]?atoi(dbrow[15]):0;
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int MinBlobPixels = dbrow[16]?atoi(dbrow[16]):0;
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int MaxBlobPixels = dbrow[17]?atoi(dbrow[17]):0;
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int MinBlobs = dbrow[18]?atoi(dbrow[18]):0;
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int MaxBlobs = dbrow[19]?atoi(dbrow[19]):0;
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if ( !strcmp( Units, "Percent" ) )
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{
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LoX = (LoX*(monitor->CameraWidth()-1))/100;
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LoY = (LoY*(monitor->CameraHeight()-1))/100;
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HiX = (HiX*(monitor->CameraWidth()-1))/100;
|
|
HiY = (HiY*(monitor->CameraHeight()-1))/100;
|
|
MinAlarmPixels = (MinAlarmPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
MaxAlarmPixels = (MaxAlarmPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
MinFilterPixels = (MinFilterPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
MaxFilterPixels = (MaxFilterPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
MinBlobPixels = (MinBlobPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
MaxBlobPixels = (MaxBlobPixels*monitor->CameraWidth()*monitor->CameraHeight())/100;
|
|
}
|
|
|
|
if ( atoi(dbrow[2]) == Zone::INACTIVE )
|
|
{
|
|
zones[i] = new Zone( monitor, Id, Name, Box( LoX, LoY, HiX, HiY ) );
|
|
}
|
|
else
|
|
{
|
|
zones[i] = new Zone( monitor, Id, Name, (Zone::ZoneType)Type, Box( LoX, LoY, HiX, HiY ), AlarmRGB, AlarmThreshold, MinAlarmPixels, MaxAlarmPixels, Coord( FilterX, FilterY ), MinFilterPixels, MaxFilterPixels, MinBlobPixels, MaxBlobPixels, MinBlobs, MaxBlobs );
|
|
}
|
|
}
|
|
if ( mysql_errno( &dbconn ) )
|
|
{
|
|
Error(( "Can't fetch row: %s", mysql_error( &dbconn ) ));
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
// Yadda yadda
|
|
mysql_free_result( result );
|
|
return( n_zones );
|
|
}
|
|
|
|
bool Zone::DumpSettings( char *output, bool verbose )
|
|
{
|
|
output[0] = 0;
|
|
|
|
sprintf( output+strlen(output), " Id : %d\n", id );
|
|
sprintf( output+strlen(output), " Label : %s\n", label );
|
|
sprintf( output+strlen(output), " Type: %d - %s\n", type,
|
|
type==ACTIVE?"Active":(
|
|
type==INCLUSIVE?"Inclusive":(
|
|
type==EXCLUSIVE?"Exclusive":(
|
|
type==INACTIVE?"Inactive":"Unknown"
|
|
))));
|
|
sprintf( output+strlen(output), " Limits : %d,%d - %d,%d\n", limits.LoX(), limits.LoY(), limits.HiX(), limits.HiY() );
|
|
sprintf( output+strlen(output), " Alarm RGB : %06x\n", alarm_rgb );
|
|
sprintf( output+strlen(output), " Alarm Threshold : %d\n", alarm_threshold );
|
|
sprintf( output+strlen(output), " Min Alarm Pixels : %d\n", min_alarm_pixels );
|
|
sprintf( output+strlen(output), " Max Alarm Pixels : %d\n", max_alarm_pixels );
|
|
sprintf( output+strlen(output), " Filter Box : %d,%d\n", filter_box.X(), filter_box.Y() );
|
|
sprintf( output+strlen(output), " Min Filter Pixels : %d\n", min_filter_pixels );
|
|
sprintf( output+strlen(output), " Max Filter Pixels : %d\n", max_filter_pixels );
|
|
sprintf( output+strlen(output), " Min Blob Pixels : %d\n", min_blob_pixels );
|
|
sprintf( output+strlen(output), " Max Blob Pixels : %d\n", max_blob_pixels );
|
|
sprintf( output+strlen(output), " Min Blobs : %d\n", min_blobs );
|
|
sprintf( output+strlen(output), " Max Blobs : %d\n", max_blobs );
|
|
return( true );
|
|
}
|
|
|