271 lines
7.1 KiB
C++
271 lines
7.1 KiB
C++
//
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// ZoneMinder Core Interfaces, $Date$, $Revision$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#ifndef ZM_EVENT_H
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#define ZM_EVENT_H
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <mysql/mysql.h>
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#include <set>
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#include <map>
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#include "zm.h"
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#include "zm_image.h"
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#include "zm_stream.h"
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class Zone;
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class Monitor;
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#define MAX_PRE_ALARM_FRAMES 16 // Maximum number of prealarm frames that can be stored
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//
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// Class describing events, i.e. captured periods of activity.
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//
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class Event
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{
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friend class EventStream;
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protected:
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static bool initialised;
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static char capture_file_format[PATH_MAX];
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static char analyse_file_format[PATH_MAX];
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static char general_file_format[PATH_MAX];
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protected:
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static int sd;
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public:
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typedef std::set<std::string> StringSet;
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typedef std::map<std::string,StringSet> StringSetMap;
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protected:
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typedef enum { NORMAL, BULK, ALARM } FrameType;
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struct PreAlarmData
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{
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Image *image;
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struct timeval timestamp;
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unsigned int score;
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Image *alarm_frame;
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};
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static int pre_alarm_count;
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static PreAlarmData pre_alarm_data[MAX_PRE_ALARM_FRAMES];
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protected:
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unsigned int id;
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Monitor *monitor;
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struct timeval start_time;
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struct timeval end_time;
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std::string cause;
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StringSetMap noteSetMap;
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int frames;
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int alarm_frames;
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unsigned int tot_score;
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unsigned int max_score;
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char path[PATH_MAX];
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protected:
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int last_db_frame;
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protected:
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static void Initialise()
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{
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if ( initialised )
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return;
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snprintf( capture_file_format, sizeof(capture_file_format), "%%s/%%0%dd-capture.jpg", config.event_image_digits );
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snprintf( analyse_file_format, sizeof(analyse_file_format), "%%s/%%0%dd-analyse.jpg", config.event_image_digits );
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snprintf( general_file_format, sizeof(general_file_format), "%%s/%%0%dd-%%s", config.event_image_digits );
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initialised = true;
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}
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void createNotes( std::string ¬es );
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public:
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static bool OpenFrameSocket( int );
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static bool ValidateFrameSocket( int );
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public:
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Event( Monitor *p_monitor, struct timeval p_start_time, const std::string &p_cause, const StringSetMap &p_noteSetMap );
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~Event();
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int Id() const { return( id ); }
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const std::string &Cause() { return( cause ); }
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int Frames() const { return( frames ); }
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int AlarmFrames() const { return( alarm_frames ); }
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const struct timeval &StartTime() const { return( start_time ); }
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const struct timeval &EndTime() const { return( end_time ); }
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struct timeval &EndTime() { return( end_time ); }
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bool SendFrameImage( const Image *image, bool alarm_frame=false );
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bool WriteFrameImage( Image *image, struct timeval timestamp, const char *event_file, bool alarm_frame=false );
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void updateNotes( const StringSetMap &stringSetMap );
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void AddFrames( int n_frames, Image **images, struct timeval **timestamps );
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void AddFrame( Image *image, struct timeval timestamp, int score=0, Image *alarm_frame=NULL );
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private:
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void AddFramesInternal( int n_frames, int start_frame, Image **images, struct timeval **timestamps );
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public:
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static const char *getSubPath( struct tm *time )
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{
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static char subpath[PATH_MAX] = "";
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snprintf( subpath, sizeof(subpath), "%02d/%02d/%02d/%02d/%02d/%02d", time->tm_year-100, time->tm_mon+1, time->tm_mday, time->tm_hour, time->tm_min, time->tm_sec );
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return( subpath );
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}
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static const char *getSubPath( time_t *time )
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{
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return( Event::getSubPath( localtime( time ) ) );
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}
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public:
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static int PreAlarmCount()
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{
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return( pre_alarm_count );
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}
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static void EmptyPreAlarmFrames()
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{
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if ( pre_alarm_count > 0 )
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{
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for ( int i = 0; i < MAX_PRE_ALARM_FRAMES; i++ )
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{
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delete pre_alarm_data[i].image;
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delete pre_alarm_data[i].alarm_frame;
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}
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memset( pre_alarm_data, 0, sizeof(pre_alarm_data) );
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}
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pre_alarm_count = 0;
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}
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static void AddPreAlarmFrame( Image *image, struct timeval timestamp, int score=0, Image *alarm_frame=NULL )
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{
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pre_alarm_data[pre_alarm_count].image = new Image( *image );
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pre_alarm_data[pre_alarm_count].timestamp = timestamp;
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pre_alarm_data[pre_alarm_count].score = score;
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if ( alarm_frame )
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{
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pre_alarm_data[pre_alarm_count].alarm_frame = new Image( *alarm_frame );
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}
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pre_alarm_count++;
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}
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void SavePreAlarmFrames()
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{
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for ( int i = 0; i < pre_alarm_count; i++ )
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{
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AddFrame( pre_alarm_data[i].image, pre_alarm_data[i].timestamp, pre_alarm_data[i].score, pre_alarm_data[i].alarm_frame );
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}
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EmptyPreAlarmFrames();
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}
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};
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class EventStream : public StreamBase
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{
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public:
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typedef enum { MODE_SINGLE, MODE_ALL, MODE_ALL_GAPLESS } StreamMode;
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protected:
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struct FrameData {
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//unsigned long id;
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time_t timestamp;
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time_t offset;
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double delta;
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bool in_db;
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};
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struct EventData
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{
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unsigned long event_id;
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unsigned long monitor_id;
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unsigned long storage_id;
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unsigned long frame_count;
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time_t start_time;
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double duration;
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char path[PATH_MAX];
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int n_frames;
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FrameData *frames;
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};
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protected:
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static const int STREAM_PAUSE_WAIT = 250000; // Microseconds
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static const StreamMode DEFAULT_MODE = MODE_SINGLE;
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protected:
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StreamMode mode;
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bool forceEventChange;
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protected:
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int curr_frame_id;
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double curr_stream_time;
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EventData *event_data;
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protected:
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bool loadEventData( int event_id );
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bool loadInitialEventData( int init_event_id, int init_frame_id );
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bool loadInitialEventData( int monitor_id, time_t event_time );
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void checkEventLoaded();
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void processCommand( const CmdMsg *msg );
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bool sendFrame( int delta_us );
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public:
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EventStream()
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{
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mode = DEFAULT_MODE;
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forceEventChange = false;
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curr_frame_id = 0;
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curr_stream_time = 0.0;
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event_data = 0;
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}
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void setStreamStart( int init_event_id, int init_frame_id=0 )
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{
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loadInitialEventData( init_event_id, init_frame_id );
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loadMonitor( event_data->monitor_id );
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}
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void setStreamStart( int monitor_id, time_t event_time )
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{
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loadInitialEventData( monitor_id, event_time );
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loadMonitor( monitor_id );
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}
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void setStreamMode( StreamMode p_mode )
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{
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mode = p_mode;
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}
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void runStream();
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};
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#endif // ZM_EVENT_H
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