mirror of
https://github.com/ZoneMinder/zoneminder.git
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1207 lines
44 KiB
C++
1207 lines
44 KiB
C++
//
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// ZoneMinder Zone Class Implementation, $Date$, $Revision$
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// Copyright (C) 2001-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "zm_zone.h"
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#include "zm_fifo.h"
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#include "zm_fifo_debug.h"
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#include "zm_monitor.h"
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#include <cstdlib>
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void Zone::Setup(
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ZoneType p_type,
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const Polygon &p_polygon,
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const Rgb p_alarm_rgb,
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CheckMethod p_check_method,
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int p_min_pixel_threshold,
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int p_max_pixel_threshold,
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int p_min_alarm_pixels,
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int p_max_alarm_pixels,
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const Vector2 &p_filter_box,
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int p_min_filter_pixels,
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int p_max_filter_pixels,
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int p_min_blob_pixels,
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int p_max_blob_pixels,
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int p_min_blobs,
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int p_max_blobs,
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int p_overload_frames,
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int p_extend_alarm_frames
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) {
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type = p_type;
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polygon = p_polygon;
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alarm_rgb = p_alarm_rgb;
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check_method = p_check_method;
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min_pixel_threshold = p_min_pixel_threshold;
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max_pixel_threshold = p_max_pixel_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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overload_frames = p_overload_frames;
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extend_alarm_frames = p_extend_alarm_frames;
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#if 0
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Debug( 1, "Initialised zone %d/%s - %d - %dx%d - Rgb:%06x, CM:%d, MnAT:%d, MxAT:%d, MnAP:%d, MxAP:%d, FB:%dx%d, MnFP:%d, MxFP:%d, MnBS:%d, MxBS:%d, MnB:%d, MxB:%d, OF: %d, AF: %d",
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id, label.c_str(), type, polygon.Width(), polygon.Height(), alarm_rgb, check_method, min_pixel_threshold, max_pixel_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, overload_frames, extend_alarm_frames );
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#endif
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ResetStats();
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image = nullptr;
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overload_count = 0;
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extend_alarm_count = 0;
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pg_image = new Image(monitor->Width(), monitor->Height(), 1, ZM_SUBPIX_ORDER_NONE);
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pg_image->Clear();
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pg_image->Fill(0xff, polygon);
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pg_image->Outline(0xff, polygon);
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ranges = new Range[monitor->Height()];
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for ( unsigned int y = 0; y < monitor->Height(); y++ ) {
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ranges[y].lo_x = -1;
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ranges[y].hi_x = 0;
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ranges[y].off_x = 0;
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const uint8_t *ppoly = pg_image->Buffer( 0, y );
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for ( unsigned int x = 0; x < monitor->Width(); x++, ppoly++ ) {
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if ( *ppoly ) {
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if ( ranges[y].lo_x == -1 ) {
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ranges[y].lo_x = x;
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}
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if ( ranges[y].hi_x < (int)x ) {
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ranges[y].hi_x = x;
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}
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}
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}
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}
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if (config.record_diag_images) {
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if (config.record_diag_images_fifo) {
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diag_path = stringtf("%s/diagpipe-%d-poly.jpg",
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staticConfig.PATH_SOCKS.c_str(), id);
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Fifo::fifo_create_if_missing(diag_path);
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} else {
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diag_path = stringtf("%s/diag-%d-poly.jpg",
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monitor->getStorage()->Path(), id);
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}
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pg_image->WriteJpeg(diag_path, config.record_diag_images_fifo);
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}
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} // end Zone::Setup
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Zone::~Zone() {
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if (image)
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delete image;
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delete pg_image;
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delete[] ranges;
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}
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void Zone::RecordStats(const Event *event) {
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std::string sql = stringtf(
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"INSERT INTO Stats SET MonitorId=%d, ZoneId=%d, EventId=%" PRIu64 ", FrameId=%d, "
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"PixelDiff=%d, AlarmPixels=%d, FilterPixels=%d, BlobPixels=%d, "
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"Blobs=%d, MinBlobSize=%d, MaxBlobSize=%d, "
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"MinX=%d, MinY=%d, MaxX=%d, MaxY=%d, Score=%d",
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monitor->Id(), id, event->Id(), event->Frames(),
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stats.pixel_diff_,
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stats.alarm_pixels_,
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stats.alarm_filter_pixels_,
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stats.alarm_blob_pixels_,
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stats.alarm_blobs_,
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stats.min_blob_size_,
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stats.max_blob_size_,
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stats.alarm_box_.Lo().x_,
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stats.alarm_box_.Lo().y_,
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stats.alarm_box_.Hi().x_,
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stats.alarm_box_.Hi().y_,
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stats.score_
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);
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zmDbDo(sql);
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} // end void Zone::RecordStats( const Event *event )
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bool Zone::CheckOverloadCount() {
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if ( overload_count ) {
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Debug(4, "In overload mode, %d frames of %d remaining", overload_count, overload_frames);
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overload_count--;
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return false;
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}
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return true;
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} // end bool Zone::CheckOverloadCount()
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void Zone::SetScore(unsigned int nScore) {
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stats.score_ = nScore;
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} // end void Zone::SetScore(unsigned int nScore)
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void Zone::SetAlarmImage(const Image* srcImage) {
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if ( image )
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delete image;
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image = new Image(*srcImage);
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} // end void Zone::SetAlarmImage( const Image* srcImage )
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int Zone::GetOverloadCount() {
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return overload_count;
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} // end int Zone::GetOverloadCount()
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void Zone::SetOverloadCount(int nOverCount) {
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overload_count = nOverCount;
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} // end void Zone::SetOverloadCount(int nOverCount )
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int Zone::GetOverloadFrames() {
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return overload_frames;
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} // end int Zone::GetOverloadFrames
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int Zone::GetExtendAlarmCount() {
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return extend_alarm_count;
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} // end int Zone::GetExtendAlarmCount()
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void Zone::SetExtendAlarmCount(int nExtendAlarmCount) {
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extend_alarm_count = nExtendAlarmCount;
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} // end void Zone::SetExtendAlarmCount( int nExtendAlarmCount )
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int Zone::GetExtendAlarmFrames() {
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return extend_alarm_frames;
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} // end int Zone::GetExtendAlarmFrames()
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bool Zone::CheckExtendAlarmCount() {
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Info("ExtendAlarm count: %d, ExtendAlarm frames: %d", extend_alarm_count, extend_alarm_frames);
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if ( extend_alarm_count ) {
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Debug(3, "In extend mode, %d frames of %d remaining", extend_alarm_count, extend_alarm_frames);
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extend_alarm_count--;
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return true;
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}
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return false;
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} // end bool Zone::CheckExtendAlarmCount
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bool Zone::CheckAlarms(const Image *delta_image) {
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ResetStats();
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if (overload_count) {
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Info("In overload mode, %d frames of %d remaining", overload_count, overload_frames);
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overload_count--;
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return false;
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}
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// Validate delta_image dimensions
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if (!delta_image->Buffer() || delta_image->Width() == 0 || delta_image->Height() == 0) {
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Debug(1, "Zone %s: delta_image has no buffer or zero dimensions (%dx%d), skipping",
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label.c_str(), delta_image->Width(), delta_image->Height());
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return false;
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}
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// Allocate a persistent grayscale mask buffer (same dimensions as delta).
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// Unlike the old code that copied the entire delta_image, we only zero the
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// bounding-box rows and let alarmedpixels_row read from delta_image directly.
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// This replaces a full-image memcpy with a memset of just the zone bbox rows,
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// and avoids read-side cache pollution from copying delta data we never use.
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if (!image
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|| image->Colours() != 1
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|| image->Width() != delta_image->Width()
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|| image->Height() != delta_image->Height()) {
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delete image;
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// Use the (width, linesize, height, ...) constructor to force linesize == width.
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// The filter/blob stages use Width() as the row stride for pointer arithmetic,
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// so linesize must match Width() exactly. The default constructor uses FFALIGN
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// which can pad linesize beyond Width() for non-32-aligned widths.
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int w = delta_image->Width();
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int h = delta_image->Height();
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image = new Image(w, w, h, 1, ZM_SUBPIX_ORDER_NONE);
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// Zero the entire buffer so Overlay() sees kBlack for all pixels
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// outside the bbox. This only runs on first allocation or after
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// HighlightEdges replaced the image with an RGB alarm image.
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memset(image->Buffer(), 0, static_cast<size_t>(w) * h);
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}
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Image *diff_image = image;
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int diff_width = diff_image->Width();
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int diff_height = diff_image->Height();
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uint8_t* diff_buff = diff_image->Buffer();
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uint8_t* pdiff;
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unsigned int pixel_diff_count = 0;
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int alarm_lo_x = 0;
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int alarm_hi_x = 0;
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int alarm_lo_y = 0;
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int alarm_hi_y = 0;
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int alarm_mid_x = -1;
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int alarm_mid_y = -1;
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//int lo_x = polygon.Extent().Lo().x_;
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int lo_y = polygon.Extent().Lo().y_;
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int hi_x = polygon.Extent().Hi().x_;
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int hi_y = polygon.Extent().Hi().y_;
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// Clamp polygon extents to image dimensions to prevent buffer overflows.
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// This can happen if zone polygon coordinates exceed the actual frame size
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// (e.g., camera reconnected at a different resolution).
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if (hi_y >= diff_height) {
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Warning("Zone %s: polygon hi_y (%d) >= image height (%d), clamping",
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label.c_str(), hi_y, diff_height);
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hi_y = diff_height - 1;
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}
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if (hi_x >= diff_width) {
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Warning("Zone %s: polygon hi_x (%d) >= image width (%d), clamping",
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label.c_str(), hi_x, diff_width);
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hi_x = diff_width - 1;
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}
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if (lo_y > hi_y) {
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Debug(1, "Zone %s: lo_y (%d) > hi_y (%d) after clamping, skipping", label.c_str(), lo_y, hi_y);
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return false;
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}
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// Zero the bbox rows so filter/blob stages see kBlack for pixels outside
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// each row's per-polygon ranges. alarmedpixels_row will write kWhite/kBlack
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// for pixels inside the ranges.
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memset(diff_buff + (lo_y * diff_width), 0, static_cast<size_t>(hi_y - lo_y + 1) * diff_width);
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Debug(4, "Checking alarms for zone %d/%s in lines %d -> %d", id, label.c_str(), lo_y, hi_y);
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std_alarmedpixels(delta_image, diff_image, pg_image, &stats.alarm_pixels_, &pixel_diff_count);
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if (config.record_diag_images) {
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diff_image->WriteJpeg(diag_path, config.record_diag_images_fifo);
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}
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if (pixel_diff_count && stats.alarm_pixels_)
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stats.pixel_diff_ = pixel_diff_count/stats.alarm_pixels_;
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Debug(5, "Got %d alarmed pixels, need %d -> %d, avg pixel diff %d",
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stats.alarm_pixels_, min_alarm_pixels, max_alarm_pixels, stats.pixel_diff_);
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if (config.record_diag_images_fifo) {
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FifoDebug(5, "{\"zone\":%d,\"type\":\"ALRM\",\"pixels\":%d,\"avg_diff\":%d}",
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id, stats.alarm_pixels_, stats.pixel_diff_);
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}
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if (stats.alarm_pixels_) {
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if (min_alarm_pixels && (stats.alarm_pixels_ < (unsigned int)min_alarm_pixels)) {
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/* Not enough pixels alarmed */
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return false;
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} else if (max_alarm_pixels && (stats.alarm_pixels_ > (unsigned int)max_alarm_pixels)) {
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/* Too many pixels alarmed */
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overload_count = overload_frames;
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return false;
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}
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} else {
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/* No alarmed pixels */
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return false;
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}
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stats.score_ = (100*stats.alarm_pixels_)/(max_alarm_pixels ? max_alarm_pixels : polygon.Area());
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if (stats.score_ < 1)
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stats.score_ = 1; /* Fix for score of 0 when frame meets thresholds but alarmed area is not big enough */
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Debug(5, "Current score is %d", stats.score_);
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if (check_method >= FILTERED_PIXELS) {
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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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Debug(5, "Checking for filtered pixels");
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if (bx > 1 || by > 1) {
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// Now remove any pixels smaller than our filter size
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unsigned char *cpdiff;
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int ldx, hdx, ldy, hdy;
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bool block;
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for (int y = lo_y; y <= hi_y; y++) {
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int lo_x = ranges[y].lo_x;
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int hi_x = ranges[y].hi_x;
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// Skip rows with no polygon pixels (lo_x == -1 means no pixels)
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if (lo_x < 0 || lo_x > hi_x) continue;
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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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if (*pdiff == kWhite) {
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// Check participation in an X block
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ldx = (x>=(lo_x+bx1))?-bx1:lo_x-x;
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hdx = (x<=(hi_x-bx1))?0:((hi_x-x)-bx1);
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ldy = (y>=(lo_y+by1))?-by1:lo_y-y;
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hdy = (y<=(hi_y-by1))?0:((hi_y-y)-by1);
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block = false;
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for (int dy = ldy; !block && dy <= hdy; dy++) {
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for (int dx = ldx; !block && dx <= hdx; dx++) {
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block = true;
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for (int dy2 = 0; block && dy2 < by; dy2++) {
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for (int dx2 = 0; block && dx2 < bx; dx2++) {
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cpdiff = diff_buff + (((y+dy+dy2)*diff_width) + (x+dx+dx2));
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if (!*cpdiff ) {
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block = 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 (!block) {
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*pdiff = kBlack;
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continue;
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}
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stats.alarm_filter_pixels_++;
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} // end if white
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} // end for x
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} // end foreach y line
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} else {
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stats.alarm_filter_pixels_ = stats.alarm_pixels_;
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}
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if (config.record_diag_images) {
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diff_image->WriteJpeg(diag_path, config.record_diag_images_fifo);
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}
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Debug(5, "Got %d filtered pixels, need %d -> %d",
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stats.alarm_filter_pixels_, min_filter_pixels, max_filter_pixels);
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if (config.record_diag_images_fifo)
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FifoDebug(5, "{\"zone\":%d,\"type\":\"FILT\",\"pixels\":%d}", id, stats.alarm_filter_pixels_);
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if (stats.alarm_filter_pixels_) {
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if (min_filter_pixels && (stats.alarm_filter_pixels_ < min_filter_pixels)) {
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/* Not enough pixels alarmed */
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stats.score_ = 0;
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return false;
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} else if (max_filter_pixels && (stats.alarm_filter_pixels_ > max_filter_pixels)) {
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/* Too many pixels alarmed */
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overload_count = overload_frames;
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stats.score_ = 0;
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return false;
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}
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} else {
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/* No filtered pixels */
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stats.score_ = 0;
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return false;
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}
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if (max_filter_pixels != 0)
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stats.score_ = (100*stats.alarm_filter_pixels_)/max_filter_pixels;
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else
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stats.score_ = (100*stats.alarm_filter_pixels_)/polygon.Area();
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if (stats.score_ < 1)
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stats.score_ = 1; /* Fix for score of 0 when frame meets thresholds but alarmed area is not big enough */
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Debug(5, "Current score is %d", stats.score_);
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if (check_method >= BLOBS) {
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Debug(5, "Checking for blob pixels");
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// ICON FIXME Would like to get rid of this memset
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memset(blob_stats, 0, sizeof(BlobStats)*256);
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uint8_t *spdiff;
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uint8_t last_x, last_y;
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BlobStats *bsx, *bsy;
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BlobStats *bsm, *bss;
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for (int y = lo_y; y <= hi_y; y++) {
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int lo_x = ranges[y].lo_x;
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int hi_x = ranges[y].hi_x;
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// Skip rows with no polygon pixels
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if (lo_x < 0 || lo_x > hi_x) continue;
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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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if (*pdiff == kWhite) {
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Debug(9, "Got white pixel at %d,%d (%p)", x, y, pdiff);
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last_x = ((x > 0) && ( (x-1) >= lo_x )) ? *(pdiff-1) : 0;
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last_y = 0;
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if ( y > 0 ) {
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if ( (y-1) >= lo_y && ranges[(y-1)].lo_x <= x && ranges[(y-1)].hi_x >= x ) {
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last_y = *(pdiff-diff_width);
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}
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}
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if (last_x) {
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Debug(9, "Left neighbour is %d", last_x);
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bsx = &blob_stats[last_x];
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if (last_y) {
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Debug(9, "Top neighbour is %d", last_y);
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bsy = &blob_stats[last_y];
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if (last_x == last_y) {
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Debug(9, "Matching neighbours, setting to %d", last_x);
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// Add to the blob from the x side (either side really)
|
|
*pdiff = last_x;
|
|
stats.alarm_blob_pixels_++;
|
|
bsx->count++;
|
|
if (x > bsx->hi_x) bsx->hi_x = x;
|
|
if (y > bsx->hi_y) bsx->hi_y = y;
|
|
} else {
|
|
// Aggregate blobs
|
|
bsm = bsx->count>=bsy->count?bsx:bsy;
|
|
bss = bsm==bsx?bsy:bsx;
|
|
|
|
Debug(9,
|
|
"Different neighbours, setting pixels of %d to %d\n"
|
|
"Master blob t:%d, c:%d, lx:%d, hx:%d, ly:%d, hy:%d\n"
|
|
"Slave blob t:%d, c:%d, lx:%d, hx:%d, ly:%d, hy:%d\n",
|
|
bss->tag, bsm->tag,
|
|
bsm->tag, bsm->count, bsm->lo_x, bsm->hi_x, bsm->lo_y, bsm->hi_y,
|
|
bss->tag, bss->count, bss->lo_x, bss->hi_x, bss->lo_y, bss->hi_y
|
|
);
|
|
// Now change all those pixels to the other setting
|
|
int changed = 0;
|
|
for (int sy = bss->lo_y; sy <= bss->hi_y; sy++) {
|
|
int lo_sx = bss->lo_x>=ranges[sy].lo_x?bss->lo_x:ranges[sy].lo_x;
|
|
int hi_sx = bss->hi_x<=ranges[sy].hi_x?bss->hi_x:ranges[sy].hi_x;
|
|
|
|
Debug(9,
|
|
"Changing %d, %d->%d Range %d->%d",
|
|
sy, lo_sx, hi_sx, ranges[sy].lo_x, ranges[sy].hi_x
|
|
);
|
|
spdiff = diff_buff + ((diff_width * sy) + lo_sx);
|
|
for (int sx = lo_sx; sx <= hi_sx; sx++, spdiff++) {
|
|
Debug(9, "Pixel at %d,%d (%p) is %d", sx, sy, spdiff, *spdiff);
|
|
if (*spdiff == bss->tag) {
|
|
Debug(9, "Setting pixel");
|
|
*spdiff = bsm->tag;
|
|
changed++;
|
|
}
|
|
}
|
|
} // end for sy = lo_y .. hi_y
|
|
*pdiff = bsm->tag;
|
|
stats.alarm_blob_pixels_++;
|
|
if (!changed) {
|
|
Info(
|
|
"Master blob t:%d, c:%d, lx:%d, hx:%d, ly:%d, hy:%d\n"
|
|
"Slave blob t:%d, c:%d, lx:%d, hx:%d, ly:%d, hy:%d",
|
|
bsm->tag, bsm->count, bsm->lo_x, bsm->hi_x, bsm->lo_y, bsm->hi_y,
|
|
bss->tag, bss->count, bss->lo_x, bss->hi_x, bss->lo_y, bss->hi_y
|
|
);
|
|
Error("No pixels changed, exiting");
|
|
exit(-1);
|
|
}
|
|
|
|
// Merge the slave blob into the master
|
|
bsm->count += bss->count+1;
|
|
if (x > bsm->hi_x) bsm->hi_x = x;
|
|
if (y > bsm->hi_y) bsm->hi_y = y;
|
|
if (bss->lo_x < bsm->lo_x) bsm->lo_x = bss->lo_x;
|
|
if (bss->lo_y < bsm->lo_y) bsm->lo_y = bss->lo_y;
|
|
if (bss->hi_x > bsm->hi_x) bsm->hi_x = bss->hi_x;
|
|
if (bss->hi_y > bsm->hi_y) bsm->hi_y = bss->hi_y;
|
|
|
|
stats.alarm_blobs_--;
|
|
|
|
Debug(6, "Merging blob %d with %d at %d,%d, %d current blobs",
|
|
bss->tag, bsm->tag, x, y, stats.alarm_blobs_);
|
|
|
|
// Clear out the old blob
|
|
bss->tag = 0;
|
|
bss->count = 0;
|
|
bss->lo_x = 0;
|
|
bss->lo_y = 0;
|
|
bss->hi_x = 0;
|
|
bss->hi_y = 0;
|
|
}
|
|
} else {
|
|
Debug(9, "Setting to left neighbour %d", last_x);
|
|
// Add to the blob from the x side
|
|
*pdiff = last_x;
|
|
stats.alarm_blob_pixels_++;
|
|
bsx->count++;
|
|
if (x > bsx->hi_x) bsx->hi_x = x;
|
|
if (y > bsx->hi_y) bsx->hi_y = y;
|
|
}
|
|
} else {
|
|
if (last_y) {
|
|
Debug(9, "Top neighbour is %d", last_y);
|
|
|
|
// Add to the blob from the y side
|
|
BlobStats *bsy = &blob_stats[last_y];
|
|
|
|
*pdiff = last_y;
|
|
stats.alarm_blob_pixels_++;
|
|
bsy->count++;
|
|
if (x > bsy->hi_x) bsy->hi_x = x;
|
|
if (y > bsy->hi_y) bsy->hi_y = y;
|
|
} else {
|
|
// Create a new blob
|
|
int i;
|
|
for (i = (kWhite-1); i > 0; i--) {
|
|
BlobStats *bs = &blob_stats[i];
|
|
// See if we can recycle one first, only if it's at least two rows up
|
|
if (bs->count && bs->hi_y < (y-1)) {
|
|
if (
|
|
(min_blob_pixels && bs->count < min_blob_pixels)
|
|
||
|
|
(max_blob_pixels && bs->count > max_blob_pixels)
|
|
) {
|
|
if (( monitor->GetOptSaveJPEGs() > 1 ) || config.record_diag_images) {
|
|
for (int sy = bs->lo_y; sy <= bs->hi_y; sy++) {
|
|
spdiff = diff_buff + ((diff_width * sy) + bs->lo_x);
|
|
for (int sx = bs->lo_x; sx <= bs->hi_x; sx++, spdiff++) {
|
|
if (*spdiff == bs->tag) {
|
|
*spdiff = kBlack;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
stats.alarm_blobs_--;
|
|
stats.alarm_blob_pixels_ -= bs->count;
|
|
|
|
Debug(6, "Eliminated blob %d, %d pixels (%d,%d - %d,%d), %d current blobs",
|
|
i, bs->count, bs->lo_x, bs->lo_y, bs->hi_x, bs->hi_y, stats.alarm_blobs_);
|
|
|
|
bs->tag = 0;
|
|
bs->count = 0;
|
|
bs->lo_x = 0;
|
|
bs->lo_y = 0;
|
|
bs->hi_x = 0;
|
|
bs->hi_y = 0;
|
|
}
|
|
}
|
|
if (!bs->count) {
|
|
Debug(9, "Creating new blob %d", i);
|
|
*pdiff = i;
|
|
stats.alarm_blob_pixels_++;
|
|
bs->tag = i;
|
|
bs->count++;
|
|
bs->lo_x = bs->hi_x = x;
|
|
bs->lo_y = bs->hi_y = y;
|
|
stats.alarm_blobs_++;
|
|
|
|
Debug(6, "Created blob %d at %d,%d, %d current blobs", bs->tag, x, y, stats.alarm_blobs_);
|
|
break;
|
|
}
|
|
}
|
|
if (i == 0) {
|
|
Warning("Max blob count reached. Unable to allocate new blobs so terminating. Zone settings may be too sensitive.");
|
|
x = hi_x+1;
|
|
y = hi_y+1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (config.record_diag_images) {
|
|
diff_image->WriteJpeg(diag_path, config.record_diag_images_fifo);
|
|
}
|
|
|
|
if (!stats.alarm_blobs_) {
|
|
stats.score_ = 0;
|
|
return false;
|
|
}
|
|
|
|
Debug(5, "Got %d raw blob pixels, %d raw blobs, need %d -> %d, %d -> %d",
|
|
stats.alarm_blob_pixels_, stats.alarm_blobs_, min_blob_pixels, max_blob_pixels, min_blobs, max_blobs);
|
|
|
|
if (config.record_diag_images_fifo) {
|
|
FifoDebug(5, "{\"zone\":%d,\"type\":\"RBLB\",\"pixels\":%d,\"blobs\":%d}",
|
|
id, stats.alarm_blob_pixels_, stats.alarm_blobs_);
|
|
}
|
|
|
|
// Now eliminate blobs under the threshold
|
|
for (uint32 i = 1; i < kWhite; i++) {
|
|
BlobStats *bs = &blob_stats[i];
|
|
if (bs->count) {
|
|
if ((min_blob_pixels && bs->count < min_blob_pixels) || (max_blob_pixels && bs->count > max_blob_pixels)) {
|
|
if (( monitor->GetOptSaveJPEGs() > 1 ) || config.record_diag_images) {
|
|
for (int sy = bs->lo_y; sy <= bs->hi_y; sy++) {
|
|
spdiff = diff_buff + ((diff_width * sy) + bs->lo_x);
|
|
for (int sx = bs->lo_x; sx <= bs->hi_x; sx++, spdiff++) {
|
|
if (*spdiff == bs->tag) {
|
|
*spdiff = kBlack;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
stats.alarm_blobs_--;
|
|
stats.alarm_blob_pixels_ -= bs->count;
|
|
|
|
Debug(6, "Eliminated blob %d, %d pixels (%d,%d - %d,%d), %d current blobs",
|
|
i, bs->count, bs->lo_x, bs->lo_y, bs->hi_x, bs->hi_y, stats.alarm_blobs_);
|
|
|
|
bs->tag = 0;
|
|
bs->count = 0;
|
|
bs->lo_x = 0;
|
|
bs->lo_y = 0;
|
|
bs->hi_x = 0;
|
|
bs->hi_y = 0;
|
|
} else {
|
|
Debug(6, "Preserved blob %d, %d pixels (%d,%d - %d,%d), %d current blobs",
|
|
i, bs->count, bs->lo_x, bs->lo_y, bs->hi_x, bs->hi_y, stats.alarm_blobs_);
|
|
if (!stats.min_blob_size_ || bs->count < stats.min_blob_size_) stats.min_blob_size_ = bs->count;
|
|
if (!stats.max_blob_size_ || bs->count > stats.max_blob_size_) stats.max_blob_size_ = bs->count;
|
|
}
|
|
} // end if bs_count
|
|
} // end for i < WHITE
|
|
|
|
if (config.record_diag_images) {
|
|
diff_image->WriteJpeg(diag_path, config.record_diag_images_fifo);
|
|
}
|
|
|
|
Debug(5, "Got %d blob pixels, %d blobs, need %d -> %d, %d -> %d",
|
|
stats.alarm_blob_pixels_, stats.alarm_blobs_, min_blob_pixels, max_blob_pixels, min_blobs, max_blobs);
|
|
|
|
if (config.record_diag_images_fifo) {
|
|
FifoDebug(5, "{\"zone\":%d,\"type\":\"FBLB\",\"pixels\":%d,\"blobs\":%d}",
|
|
id, stats.alarm_blob_pixels_, stats.alarm_blobs_);
|
|
}
|
|
|
|
if (stats.alarm_blobs_) {
|
|
if (min_blobs && (stats.alarm_blobs_ < min_blobs)) {
|
|
/* Not enough pixels alarmed */
|
|
stats.score_ = 0;
|
|
return false;
|
|
} else if (max_blobs && (stats.alarm_blobs_ > max_blobs)) {
|
|
/* Too many pixels alarmed */
|
|
overload_count = overload_frames;
|
|
stats.score_ = 0;
|
|
return false;
|
|
}
|
|
} else {
|
|
/* No blobs */
|
|
stats.score_ = 0;
|
|
return false;
|
|
}
|
|
|
|
if (max_blob_pixels != 0)
|
|
stats.score_ = (100*stats.alarm_blob_pixels_)/max_blob_pixels;
|
|
else
|
|
stats.score_ = (100*stats.alarm_blob_pixels_)/polygon.Area();
|
|
|
|
if (stats.score_ < 1)
|
|
stats.score_ = 1; /* Fix for score of 0 when frame meets thresholds but alarmed area is not big enough */
|
|
Debug(5, "Current score is %d", stats.score_);
|
|
|
|
alarm_lo_x = polygon.Extent().Hi().x_ + 1;
|
|
alarm_hi_x = polygon.Extent().Lo().x_ - 1;
|
|
alarm_lo_y = polygon.Extent().Hi().y_ + 1;
|
|
alarm_hi_y = polygon.Extent().Lo().y_ - 1;
|
|
|
|
for (uint32 i = 1; i < kWhite; i++) {
|
|
BlobStats *bs = &blob_stats[i];
|
|
if (bs->count) {
|
|
if (bs->count == stats.max_blob_size_) {
|
|
if (config.weighted_alarm_centres) {
|
|
unsigned long x_total = 0;
|
|
unsigned long y_total = 0;
|
|
|
|
for (int sy = bs->lo_y; sy <= bs->hi_y; sy++) {
|
|
spdiff = diff_buff + ((diff_width * sy) + bs->lo_x);
|
|
for (int sx = bs->lo_x; sx <= bs->hi_x; sx++, spdiff++) {
|
|
if (*spdiff == bs->tag) {
|
|
x_total += sx;
|
|
y_total += sy;
|
|
}
|
|
}
|
|
} // end for sy = lo_y .. hi_y
|
|
alarm_mid_x = int(round(x_total/bs->count));
|
|
alarm_mid_y = int(round(y_total/bs->count));
|
|
} else {
|
|
alarm_mid_x = int((bs->hi_x+bs->lo_x+1)/2);
|
|
alarm_mid_y = int((bs->hi_y+bs->lo_y+1)/2);
|
|
}
|
|
}
|
|
|
|
if (alarm_lo_x > bs->lo_x) alarm_lo_x = bs->lo_x;
|
|
if (alarm_lo_y > bs->lo_y) alarm_lo_y = bs->lo_y;
|
|
if (alarm_hi_x < bs->hi_x) alarm_hi_x = bs->hi_x;
|
|
if (alarm_hi_y < bs->hi_y) alarm_hi_y = bs->hi_y;
|
|
} // end if bs->count
|
|
} // end for i < WHITE
|
|
} else {
|
|
alarm_mid_x = int((alarm_hi_x+alarm_lo_x+1)/2);
|
|
alarm_mid_y = int((alarm_hi_y+alarm_lo_y+1)/2);
|
|
}
|
|
}
|
|
|
|
if (type == INCLUSIVE) {
|
|
// score >>= 1;
|
|
stats.score_ /= 2;
|
|
} else if (type == EXCLUSIVE) {
|
|
// stats.score <<= 1;
|
|
stats.score_ *= 2;
|
|
}
|
|
|
|
Debug(5, "Adjusted score is %d", stats.score_);
|
|
|
|
// Now outline the changed region
|
|
if (stats.score_) {
|
|
stats.alarm_box_ = Box(Vector2(alarm_lo_x, alarm_lo_y), Vector2(alarm_hi_x, alarm_hi_y));
|
|
|
|
//if ( monitor->followMotion() )
|
|
if ( true ) {
|
|
stats.alarm_centre_ = Vector2(alarm_mid_x, alarm_mid_y);
|
|
} else {
|
|
stats.alarm_centre_ = stats.alarm_box_.Centre();
|
|
}
|
|
|
|
if ((type < PRECLUSIVE) && (check_method >= BLOBS) && (monitor->GetOptSaveJPEGs() > 1)) {
|
|
|
|
int lo_x = polygon.Extent().Lo().x_;
|
|
// First mask out anything we don't want
|
|
for (int y = lo_y; y <= hi_y; y++) {
|
|
int lo_x2 = ranges[y].lo_x;
|
|
int hi_x2 = ranges[y].hi_x;
|
|
|
|
// Skip rows with no polygon pixels
|
|
if (lo_x2 < 0 || lo_x2 > hi_x2) continue;
|
|
|
|
pdiff = diff_buff + ((diff_width * y) + lo_x);
|
|
|
|
int lo_gap = lo_x2-lo_x;
|
|
if (lo_gap > 0) {
|
|
if (lo_gap == 1) {
|
|
*pdiff++ = kBlack;
|
|
} else {
|
|
memset(pdiff, kBlack, lo_gap);
|
|
pdiff += lo_gap;
|
|
}
|
|
}
|
|
|
|
const uint8_t* ppoly = pg_image->Buffer(lo_x2, y);
|
|
for (int x = lo_x2; x <= hi_x2; x++, pdiff++, ppoly++) {
|
|
if (!*ppoly) {
|
|
*pdiff = kBlack;
|
|
}
|
|
}
|
|
|
|
int hi_gap = hi_x-hi_x2;
|
|
if (hi_gap > 0) {
|
|
if (hi_gap == 1) {
|
|
*pdiff = kBlack;
|
|
} else {
|
|
memset(pdiff, kBlack, hi_gap);
|
|
}
|
|
}
|
|
} // end for y
|
|
|
|
if (monitor->Colours() == ZM_COLOUR_GRAY8) {
|
|
image = diff_image->HighlightEdges(alarm_rgb, ZM_COLOUR_RGB24, ZM_SUBPIX_ORDER_RGB, &polygon.Extent());
|
|
} else {
|
|
image = diff_image->HighlightEdges(alarm_rgb, monitor->Colours(), monitor->SubpixelOrder(), &polygon.Extent());
|
|
}
|
|
|
|
// Only need to delete this when 'image' becomes detached and points somewhere else
|
|
delete diff_image;
|
|
diff_image = nullptr;
|
|
} // end if ( (type < PRECLUSIVE) && (check_method >= BLOBS) && (monitor->GetOptSaveJPEGs() > 1)
|
|
|
|
Debug(1, "%s: Pixel Diff: %d, Alarm Pixels: %d, Filter Pixels: %d, Blob Pixels: %d, Blobs: %d, Score: %d",
|
|
Label(), stats.pixel_diff_, stats.alarm_pixels_, stats.alarm_filter_pixels_, stats.alarm_blob_pixels_, stats.alarm_blobs_, stats.score_);
|
|
} // end if score
|
|
return true;
|
|
}
|
|
|
|
bool Zone::ParsePolygonString(const char *poly_string, Polygon &polygon) {
|
|
char *str = (char *)poly_string;
|
|
int max_n_coords = strlen(str)/4;
|
|
|
|
std::vector<Vector2> vertices;
|
|
vertices.reserve(max_n_coords);
|
|
|
|
while (*str != '\0') {
|
|
char *cp = strchr(str, ',');
|
|
if (!cp) {
|
|
Error("Bogus coordinate %s found in polygon string", str);
|
|
break;
|
|
}
|
|
|
|
int x = atoi(str);
|
|
int y = atoi(cp + 1);
|
|
Debug(3, "Got coordinate %d,%d from polygon string", x, y);
|
|
vertices.emplace_back(x, y);
|
|
|
|
char *ws = strchr(cp + 2, ' ');
|
|
if (ws) {
|
|
str = ws + 1;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (vertices.size() > 2) {
|
|
Debug(3, "Successfully parsed polygon string %s", str);
|
|
polygon = Polygon(vertices);
|
|
} else {
|
|
Error("Not enough coordinates to form a polygon!");
|
|
}
|
|
|
|
return !vertices.empty();
|
|
} // end bool Zone::ParsePolygonString(const char *poly_string, Polygon &polygon)
|
|
|
|
bool Zone::ParsePercentagePolygon(const char *poly_string, unsigned int width, unsigned int height, Polygon &polygon) {
|
|
double mon_w = static_cast<double>(width);
|
|
double mon_h = static_cast<double>(height);
|
|
std::vector<Vector2> vertices;
|
|
const char *str = poly_string;
|
|
|
|
while (*str != '\0') {
|
|
const char *cp = strchr(str, ',');
|
|
if (!cp) {
|
|
Error("Bogus coordinate %s found in polygon string", str);
|
|
break;
|
|
}
|
|
|
|
double pct_x = strtod(str, nullptr);
|
|
double pct_y = strtod(cp + 1, nullptr);
|
|
int32 px_x = static_cast<int32>(std::lround(pct_x * mon_w / 100.0));
|
|
int32 px_y = static_cast<int32>(std::lround(pct_y * mon_h / 100.0));
|
|
|
|
// Clamp to monitor bounds
|
|
px_x = std::clamp(px_x, static_cast<int32>(0), static_cast<int32>(width));
|
|
px_y = std::clamp(px_y, static_cast<int32>(0), static_cast<int32>(height));
|
|
|
|
Debug(3, "Percentage coord %.2f,%.2f -> pixel %d,%d", pct_x, pct_y, px_x, px_y);
|
|
vertices.emplace_back(px_x, px_y);
|
|
|
|
const char *ws = strchr(cp + 2, ' ');
|
|
if (ws) {
|
|
str = ws + 1;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (vertices.size() > 2) {
|
|
polygon = Polygon(vertices);
|
|
return true;
|
|
}
|
|
Error("Not enough coordinates to form a polygon from '%s'", poly_string);
|
|
return false;
|
|
} // end bool Zone::ParsePercentagePolygon
|
|
|
|
bool Zone::ParseZoneString(const char *zone_string, unsigned int &zone_id, int &colour, Polygon &polygon) {
|
|
Debug(3, "Parsing zone string '%s'", zone_string);
|
|
|
|
char *str_ptr = new char[strlen(zone_string)+1];
|
|
char *str = str_ptr;
|
|
strcpy(str, zone_string);
|
|
|
|
zone_id = strtol(str, 0, 10);
|
|
Debug(3, "Got zone %d from zone string", zone_id);
|
|
|
|
char *ws = strchr(str, ' ');
|
|
if ( !ws ) {
|
|
Debug(3, "No initial whitespace found in zone string '%s', finishing", str);
|
|
delete[] str_ptr;
|
|
return true;
|
|
}
|
|
|
|
*ws = '\0';
|
|
str = ws+1;
|
|
|
|
colour = strtol(str, 0, 16);
|
|
Debug(3, "Got colour %06x from zone string", colour);
|
|
ws = strchr(str, ' ');
|
|
if ( !ws ) {
|
|
Debug(3, "No secondary whitespace found in zone string '%s', finishing", zone_string);
|
|
delete[] str_ptr;
|
|
return true;
|
|
}
|
|
*ws = '\0';
|
|
str = ws+1;
|
|
|
|
bool result = ParsePolygonString(str, polygon);
|
|
delete[] str_ptr;
|
|
|
|
return result;
|
|
} // end bool Zone::ParseZoneString(const char *zone_string, int &zone_id, int &colour, Polygon &polygon)
|
|
|
|
std::vector<Zone> Zone::Load(const std::shared_ptr<Monitor> &monitor) {
|
|
std::string sql = stringtf("SELECT Id,Name,Type+0,Units,Coords,AlarmRGB,CheckMethod+0,"
|
|
"MinPixelThreshold,MaxPixelThreshold,MinAlarmPixels,MaxAlarmPixels,"
|
|
"FilterX,FilterY,MinFilterPixels,MaxFilterPixels,"
|
|
"MinBlobPixels,MaxBlobPixels,MinBlobs,MaxBlobs,"
|
|
"OverloadFrames,ExtendAlarmFrames"
|
|
" FROM Zones WHERE MonitorId = %d ORDER BY Type, Id", monitor->Id());
|
|
|
|
MYSQL_RES *result = zmDbFetch(sql);
|
|
if (!result) {
|
|
return {};
|
|
}
|
|
|
|
uint32 n_zones = mysql_num_rows(result);
|
|
Debug(1, "Got %d zones for monitor %s", n_zones, monitor->Name());
|
|
|
|
std::vector<Zone> zones;
|
|
zones.reserve(n_zones);
|
|
|
|
for (MYSQL_ROW dbrow = mysql_fetch_row(result); dbrow; dbrow = mysql_fetch_row(result)) {
|
|
int col = 0;
|
|
|
|
int Id = atoi(dbrow[col++]);
|
|
const char *Name = dbrow[col++];
|
|
ZoneType Type = static_cast<ZoneType>(atoi(dbrow[col++]));
|
|
const char *Units = dbrow[col++];
|
|
const char *Coords = dbrow[col++];
|
|
int AlarmRGB = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
Zone::CheckMethod CheckMethod = static_cast<Zone::CheckMethod>(atoi(dbrow[col++]));
|
|
int MinPixelThreshold = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MaxPixelThreshold = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MinAlarmPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MaxAlarmPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int FilterX = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int FilterY = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MinFilterPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MaxFilterPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MinBlobPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MaxBlobPixels = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MinBlobs = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int MaxBlobs = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int OverloadFrames = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
int ExtendAlarmFrames = dbrow[col]?atoi(dbrow[col]):0;
|
|
col++;
|
|
|
|
/* HTML colour code is actually BGR in memory, we want RGB */
|
|
AlarmRGB = rgb_convert(AlarmRGB, ZM_SUBPIX_ORDER_BGR);
|
|
|
|
Debug(5, "Parsing polygon %s (Units=%s)", Coords, Units);
|
|
Polygon polygon;
|
|
if (!strcmp(Units, "Pixels")) {
|
|
// Legacy pixel-based coordinates: parse as integer pixel values
|
|
if (!ParsePolygonString(Coords, polygon)) {
|
|
Error("Unable to parse polygon string '%s' for zone %d/%s for monitor %s, ignoring",
|
|
Coords, Id, Name, monitor->Name());
|
|
continue;
|
|
}
|
|
} else {
|
|
// Percentage-based coordinates (default): convert to pixels using monitor dimensions.
|
|
// However, if any coordinate value exceeds 100, these are actually pixel values
|
|
// stored with incorrect Units — fall back to pixel parsing with a warning.
|
|
bool has_pixel_values = false;
|
|
{
|
|
const char *s = Coords;
|
|
while (*s != '\0') {
|
|
double val = strtod(s, nullptr);
|
|
if (val > 100.0) {
|
|
has_pixel_values = true;
|
|
break;
|
|
}
|
|
// Skip to next number: find comma then space (x,y pairs separated by spaces)
|
|
const char *comma = strchr(s, ',');
|
|
if (!comma) break;
|
|
val = strtod(comma + 1, nullptr);
|
|
if (val > 100.0) {
|
|
has_pixel_values = true;
|
|
break;
|
|
}
|
|
const char *space = strchr(comma + 1, ' ');
|
|
if (space) {
|
|
s = space + 1;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (has_pixel_values) {
|
|
Debug(1, "Zone %d/%s has Units=Percent but Coords contain pixel values (>100), "
|
|
"parsing as pixels instead", Id, Name);
|
|
if (!ParsePolygonString(Coords, polygon)) {
|
|
Error("Unable to parse polygon string '%s' for zone %d/%s for monitor %s, ignoring",
|
|
Coords, Id, Name, monitor->Name());
|
|
continue;
|
|
}
|
|
} else if (!ParsePercentagePolygon(Coords, monitor->Width(), monitor->Height(), polygon)) {
|
|
Error("Unable to parse polygon string '%s' for zone %d/%s for monitor %s, ignoring",
|
|
Coords, Id, Name, monitor->Name());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (atoi(dbrow[2]) == Zone::INACTIVE) {
|
|
zones.emplace_back(monitor, Id, Name, polygon);
|
|
} else if (atoi(dbrow[2]) == Zone::PRIVACY) {
|
|
zones.emplace_back(monitor, Id, Name, Type, polygon);
|
|
} else {
|
|
zones.emplace_back(
|
|
monitor, Id, Name, Type, polygon, AlarmRGB,
|
|
CheckMethod, MinPixelThreshold, MaxPixelThreshold,
|
|
MinAlarmPixels, MaxAlarmPixels, Vector2(FilterX, FilterY),
|
|
MinFilterPixels, MaxFilterPixels,
|
|
MinBlobPixels, MaxBlobPixels, MinBlobs, MaxBlobs,
|
|
OverloadFrames, ExtendAlarmFrames);
|
|
}
|
|
} // end foreach row
|
|
mysql_free_result(result);
|
|
return zones;
|
|
} // end std::vector<Zone> Zone::Load(Monitor *monitor)
|
|
|
|
std::string Zone::DumpSettings(bool /*verbose*/) const {
|
|
std::string result;
|
|
result.reserve(1024);
|
|
|
|
result += stringtf(" Id : %u\n", id);
|
|
result += stringtf(" Label : %s\n", label.c_str());
|
|
result += stringtf(" Type: %d - %s\n", type,
|
|
type==ACTIVE?"Active":(
|
|
type==INCLUSIVE?"Inclusive":(
|
|
type==EXCLUSIVE?"Exclusive":(
|
|
type==PRECLUSIVE?"Preclusive":(
|
|
type==INACTIVE?"Inactive":(
|
|
type==PRIVACY?"Privacy":"Unknown"
|
|
))))));
|
|
result += stringtf(" Shape : %zu points\n", polygon.GetVertices().size());
|
|
for (size_t i = 0; i < polygon.GetVertices().size(); i++) {
|
|
result += stringtf(" %zu: %d,%d\n", i, polygon.GetVertices()[i].x_, polygon.GetVertices()[i].y_);
|
|
}
|
|
result += stringtf(" Alarm RGB : %06x\n", alarm_rgb);
|
|
result += stringtf(" Check Method: %d - %s\n", check_method,
|
|
check_method==ALARMED_PIXELS?"Alarmed Pixels":(
|
|
check_method==FILTERED_PIXELS?"FilteredPixels":(
|
|
check_method==BLOBS?"Blobs":"Unknown"
|
|
)));
|
|
result += stringtf(" Min Pixel Threshold : %d\n", min_pixel_threshold);
|
|
result += stringtf(" Max Pixel Threshold : %d\n", max_pixel_threshold);
|
|
result += stringtf(" Min Alarm Pixels : %d\n", min_alarm_pixels);
|
|
result += stringtf(" Max Alarm Pixels : %d\n", max_alarm_pixels);
|
|
result += stringtf(" Filter Box : %d,%d\n", filter_box.x_, filter_box.y_);
|
|
result += stringtf(" Min Filter Pixels : %d\n", min_filter_pixels);
|
|
result += stringtf(" Max Filter Pixels : %d\n", max_filter_pixels);
|
|
result += stringtf(" Min Blob Pixels : %d\n", min_blob_pixels);
|
|
result += stringtf(" Max Blob Pixels : %d\n", max_blob_pixels);
|
|
result += stringtf(" Min Blobs : %d\n", min_blobs);
|
|
result += stringtf(" Max Blobs : %d\n", max_blobs);
|
|
return result;
|
|
}
|
|
|
|
// Scan one row of pixels, thresholding against the polygon mask.
|
|
// Reads from pdelta (the frame-difference image) and writes the binary
|
|
// result to pmask (a separate per-zone mask buffer), so the caller
|
|
// never needs to copy the full delta image.
|
|
// Separated into its own function so the compiler sees __restrict__ on
|
|
// function parameters (where GCC fully trusts it) and no calls that
|
|
// clobber memory, allowing auto-vectorization at -O2/-O3.
|
|
static void alarmedpixels_row(
|
|
const uint8_t *__restrict__ pdelta,
|
|
uint8_t *__restrict__ pmask,
|
|
const uint8_t *__restrict__ ppoly,
|
|
unsigned int count,
|
|
uint8_t calc_min,
|
|
uint8_t calc_max,
|
|
uint32_t &pixelsalarmed,
|
|
uint32_t &pixelsdifference) {
|
|
for (unsigned int i = 0; i < count; i++) {
|
|
const uint8_t d = pdelta[i];
|
|
const uint8_t p = ppoly[i];
|
|
// Bitwise AND avoids short-circuit branches that block vectorization
|
|
const bool alarmed = (p != 0) & (d > calc_min) & (d <= calc_max);
|
|
|
|
pixelsalarmed += alarmed;
|
|
pixelsdifference += alarmed ? d : 0;
|
|
pmask[i] = alarmed ? kWhite : kBlack;
|
|
}
|
|
}
|
|
|
|
void Zone::std_alarmedpixels(
|
|
const Image* pdelta_image,
|
|
Image* pmask_image,
|
|
const Image* ppoly_image,
|
|
unsigned int* pixel_count,
|
|
unsigned int* pixel_sum) {
|
|
uint32_t pixelsalarmed = 0;
|
|
uint32_t pixelsdifference = 0;
|
|
|
|
// Cache member variables locally so the compiler can prove loop-invariance
|
|
const uint8_t calc_max = max_pixel_threshold ? max_pixel_threshold : 255;
|
|
const uint8_t calc_min = min_pixel_threshold;
|
|
|
|
const int img_width = static_cast<int>(pdelta_image->Width());
|
|
const int img_height = static_cast<int>(pdelta_image->Height());
|
|
|
|
int lo_y = polygon.Extent().Lo().y_;
|
|
int hi_y = polygon.Extent().Hi().y_;
|
|
|
|
// Clamp to image bounds
|
|
if (hi_y >= img_height) hi_y = img_height - 1;
|
|
if (lo_y > hi_y) { *pixel_count = 0; *pixel_sum = 0; return; }
|
|
|
|
for (int y = lo_y; y <= hi_y; y++) {
|
|
const int lo_x = ranges[y].lo_x;
|
|
const int hi_x = ranges[y].hi_x;
|
|
|
|
if (lo_x < 0 || lo_x > hi_x) continue;
|
|
|
|
// Clamp hi_x to image width
|
|
const int clamped_hi_x = (hi_x >= img_width) ? img_width - 1 : hi_x;
|
|
|
|
alarmedpixels_row(
|
|
pdelta_image->Buffer(lo_x, y),
|
|
pmask_image->Buffer(lo_x, y),
|
|
ppoly_image->Buffer(lo_x, y),
|
|
clamped_hi_x - lo_x + 1,
|
|
calc_min, calc_max,
|
|
pixelsalarmed, pixelsdifference);
|
|
} // end for y = lo_y to hi_y
|
|
|
|
/* Store the results */
|
|
*pixel_count = pixelsalarmed;
|
|
*pixel_sum = pixelsdifference;
|
|
Debug(7, "STORED pixelsalarmed(%d), pixelsdifference(%d)", pixelsalarmed, pixelsdifference);
|
|
} // end void Zone::std_alarmedpixels
|
|
|
|
Zone::Zone(const Zone &z) :
|
|
monitor(z.monitor),
|
|
id(z.id),
|
|
label(z.label),
|
|
type(z.type),
|
|
polygon(z.polygon),
|
|
alarm_rgb(z.alarm_rgb),
|
|
check_method(z.check_method),
|
|
min_pixel_threshold(z.min_pixel_threshold),
|
|
max_pixel_threshold(z.max_pixel_threshold),
|
|
min_alarm_pixels(z.min_alarm_pixels),
|
|
max_alarm_pixels(z.max_alarm_pixels),
|
|
filter_box(z.filter_box),
|
|
min_filter_pixels(z.min_filter_pixels),
|
|
max_filter_pixels(z.max_filter_pixels),
|
|
min_blob_pixels(z.min_blob_pixels),
|
|
max_blob_pixels(z.max_blob_pixels),
|
|
min_blobs(z.min_blobs),
|
|
max_blobs(z.max_blobs),
|
|
overload_frames(z.overload_frames),
|
|
extend_alarm_frames(z.extend_alarm_frames),
|
|
alarmed(z.alarmed),
|
|
was_alarmed(z.was_alarmed),
|
|
stats(z.stats),
|
|
overload_count(z.overload_count),
|
|
extend_alarm_count(z.extend_alarm_count),
|
|
diag_path(z.diag_path) {
|
|
std::copy(z.blob_stats, z.blob_stats+256, blob_stats);
|
|
pg_image = z.pg_image ? new Image(*z.pg_image) : nullptr;
|
|
ranges = new Range[monitor->Height()];
|
|
std::copy(z.ranges, z.ranges+monitor->Height(), ranges);
|
|
image = z.image ? new Image(*z.image) : nullptr;
|
|
//z.stats.debug("Copy Source");
|
|
stats.DumpToLog("Copy dest");
|
|
}
|