// // ZoneMinder Monitor Class Interfaces, $Date$, $Revision$ // Copyright (C) 2003, 2004, 2005 Philip Coombes // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // #ifndef ZM_MONITOR_H #define ZM_MONITOR_H #include static struct timezone dummy_tz; // To avoid declaring pointless one each time we use gettimeofday #include "zm_coord.h" #include "zm_image.h" #include "zm_zone.h" #include "zm_camera.h" // // This is the main class for monitors. Each monitor is associated // with a camera and is effectivaly a collector for events. // class Monitor { public: typedef enum { QUERY=0, CAPTURE, ANALYSIS } Purpose; typedef enum { NONE=1, MONITOR, MODECT, RECORD, MOCORD, NODECT } Function; typedef enum { ROTATE_0=1, ROTATE_90, ROTATE_180, ROTATE_270, FLIP_HORI, FLIP_VERT } Orientation; typedef enum { IDLE, PREALARM, ALARM, ALERT, TAPE } State; protected: // These are read from the DB and thereafter remain unchanged int id; char *name; Function function; // What the monitor is doing bool enabled; // Whether the monitor is enabled or asleep unsigned int width; // Normally the same as the camera, but not if partly rotated unsigned int height; // Normally the same as the camera, but not if partly rotated Orientation orientation; // Whether the image has to be rotated at all int brightness; // The statically saved brightness of the camera int contrast; // The statically saved contrast of the camera int hue; // The statically saved hue of the camera int colour; // The statically saved colour of the camera char event_prefix[64]; // The prefix applied to event names as they are created char label_format[64]; // The format of the timestamp on the images Coord label_coord; // The coordinates of the timestamp on the images int image_buffer_count; // Size of circular image buffer, at least twice the size of the pre_event_count int warmup_count; // How many images to process before looking for events int pre_event_count; // How many images to hold and prepend to an alarm event int post_event_count; // How many unalarmed images must occur before the alarm state is reset int section_length; // How long events should last in continuous modes int frame_skip; // How many frames to skip in continuous modes int capture_delay; // How long we wait between capture frames int alarm_frame_count; // How many alarm frames are required before an event is triggered int fps_report_interval;// How many images should be captured/processed between reporting the current FPS int ref_blend_perc; // Percentage of new image going into reference image. bool track_motion; // Whether this monitor tries to track detected motion double fps; Image image; Image ref_image; Purpose purpose; // What this monitor has been created to do int event_count; int image_count; int ready_count; int first_alarm_count; int last_alarm_count; int buffer_count; int prealarm_count; State state; int n_zones; Zone **zones; Event *event; time_t start_time; time_t last_fps_time; time_t auto_resume_time; int shmid; typedef struct Snapshot { struct timeval *timestamp; Image *image; }; Snapshot *image_buffer; typedef enum { GET_SETTINGS=0x1, SET_SETTINGS=0x2, RELOAD=0x4, SUSPEND=0x10, RESUME=0x20 } Action; typedef struct { int size; bool valid; bool active; bool signal; State state; int last_write_index; int last_read_index; time_t last_image_time; int last_event; int action; int brightness; int hue; int colour; int contrast; int alarm_x; int alarm_y; } SharedData; typedef enum { TRIGGER_CANCEL, TRIGGER_ON, TRIGGER_OFF } TriggerState; typedef struct { int size; TriggerState trigger_state; int trigger_score; char trigger_cause[32]; char trigger_text[256]; char trigger_showtext[32]; } TriggerData; SharedData *shared_data; TriggerData *trigger_data; Camera *camera; public: Monitor( int p_id, char *p_name, int p_function, bool p_enabled, Camera *p_camera, int p_orientation, char *p_event_prefix, char *p_label_format, const Coord &p_label_coord, int p_image_buffer_count, int p_warmup_count, int p_pre_event_count, int p_post_event_count, int p_alarm_frame_count, int p_section_length, int p_frame_skip, int p_capture_delay, int p_fps_report_interval, int p_ref_blend_perc, bool p_track_motion, Purpose p_purpose=QUERY, int p_n_zones=0, Zone *p_zones[]=0 ); ~Monitor(); void Setup(); void AddZones( int p_n_zones, Zone *p_zones[] ); inline int ShmValid() const { return( shared_data->valid ); } inline int Id() const { return( id ); } inline char *Name() const { return( name ); } inline Function GetFunction() const { return( function ); } inline const char *EventPrefix() const { return( event_prefix ); } inline bool Ready() { if ( function <= MONITOR ) return( false ); return( image_count > ready_count ); } inline bool Enabled() { if ( function <= MONITOR ) return( false ); return( enabled ); } inline bool Active() { if ( function <= MONITOR ) return( false ); return( enabled && shared_data->active ); } unsigned int Width() const { return( width ); } unsigned int Height() const { return( height ); } State GetState() const; int GetImage( int index=-1, int scale=100 ) const; struct timeval GetTimestamp( int index=-1 ) const; int GetCaptureDelay() const { return( capture_delay ); } unsigned int GetLastReadIndex() const; unsigned int GetLastWriteIndex() const; unsigned int GetLastEvent() const; double GetFPS() const; void ForceAlarmOn( int force_score, const char *force_case, const char *force_text="" ); void ForceAlarmOff(); void CancelForced(); TriggerState GetTriggerState() const { return( trigger_data?trigger_data->trigger_state:TRIGGER_CANCEL ); } void actionReload(); void actionEnable(); void actionDisable(); void actionSuspend(); void actionResume(); int actionBrightness( int p_brightness=-1 ); int actionHue( int p_hue=-1 ); int actionColour( int p_colour=-1 ); int actionContrast( int p_contrast=-1 ); inline int PreCapture() { return( camera->PreCapture() ); } int PostCapture(); unsigned int Compare( const Image &comp_image ); bool CheckSignal( const Image *image ); bool Analyse(); void DumpImage( Image *dump_image ) const; void TimestampImage( Image *ts_image, time_t ts_time ) const; bool closeEvent(); void Reload(); void ReloadZones(); bool DumpSettings( char *output, bool verbose ); void DumpZoneImage( const char *zone_string=0 ); static int LoadLocalMonitors( const char *device, Monitor **&monitors, Purpose purpose=QUERY ); static int LoadRemoteMonitors( const char *host, const char*port, const char*path, Monitor **&monitors, Purpose purpose=QUERY ); static int LoadFileMonitors( const char *file, Monitor **&monitors, Purpose purpose=QUERY ); static Monitor *Load( int id, bool load_zones=false, Purpose purpose=QUERY ); void StreamImages( int scale=100, int maxfps=10, time_t ttl=0 ); void StreamImagesRaw( int scale=100, int maxfps=10, time_t ttl=0 ); void SingleImage( int scale=100 ); void SingleImageRaw( int scale=100 ); #if HAVE_LIBAVCODEC void StreamMpeg( const char *format, int scale=100, int maxfps=10, int bitrate=100000 ); #endif // HAVE_LIBAVCODEC }; #endif // ZM_MONITOR_H