1471 lines
48 KiB
C++
1471 lines
48 KiB
C++
//
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// ZoneMinder Event 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <sys/un.h>
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#include <sys/uio.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <getopt.h>
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#include <arpa/inet.h>
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#include <glob.h>
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#include "zm.h"
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#include "zm_db.h"
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#include "zm_time.h"
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#include "zm_mpeg.h"
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#include "zm_signal.h"
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#include "zm_event.h"
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#include "zm_monitor.h"
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#include "zmf.h"
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#if HAVE_SYS_SENDFILE_H
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#include <sys/sendfile.h>
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#endif
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//#define USE_PREPARED_SQL 1
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bool Event::initialised = false;
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char Event::capture_file_format[PATH_MAX];
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char Event::analyse_file_format[PATH_MAX];
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char Event::general_file_format[PATH_MAX];
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int Event::pre_alarm_count = 0;
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Event::PreAlarmData Event::pre_alarm_data[MAX_PRE_ALARM_FRAMES] = { { 0 } };
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Event::Event( Monitor *p_monitor, struct timeval p_start_time, const std::string &p_cause, const StringSetMap &p_noteSetMap ) :
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monitor( p_monitor ),
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start_time( p_start_time ),
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cause( p_cause ),
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noteSetMap( p_noteSetMap )
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{
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if ( !initialised )
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Initialise();
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std::string notes;
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createNotes( notes );
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bool untimedEvent = false;
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if ( !start_time.tv_sec )
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{
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untimedEvent = true;
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gettimeofday( &start_time, 0 );
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}
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static char sql[ZM_SQL_MED_BUFSIZ];
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struct tm *stime = localtime( &start_time.tv_sec );
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snprintf( sql, sizeof(sql), "insert into Events ( MonitorId, Name, StartTime, Width, Height, Cause, Notes ) values ( %d, 'New Event', from_unixtime( %ld ), %d, %d, '%s', '%s' )", monitor->Id(), start_time.tv_sec, monitor->Width(), monitor->Height(), cause.c_str(), notes.c_str() );
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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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id = mysql_insert_id( &dbconn );
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if ( untimedEvent )
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{
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Warning( "Event %d has zero time, setting to current", id );
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}
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end_time.tv_sec = 0;
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frames = 0;
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alarm_frames = 0;
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tot_score = 0;
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max_score = 0;
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if ( config.use_deep_storage )
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{
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char *path_ptr = path;
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path_ptr += snprintf( path_ptr, sizeof(path), "%s/%d", config.dir_events, monitor->Id() );
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int dt_parts[6];
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dt_parts[0] = stime->tm_year-100;
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dt_parts[1] = stime->tm_mon+1;
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dt_parts[2] = stime->tm_mday;
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dt_parts[3] = stime->tm_hour;
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dt_parts[4] = stime->tm_min;
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dt_parts[5] = stime->tm_sec;
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char date_path[PATH_MAX] = "";
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char time_path[PATH_MAX] = "";
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char *time_path_ptr = time_path;
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for ( unsigned int i = 0; i < sizeof(dt_parts)/sizeof(*dt_parts); i++ )
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{
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path_ptr += snprintf( path_ptr, sizeof(path)-(path_ptr-path), "/%02d", dt_parts[i] );
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struct stat statbuf;
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errno = 0;
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stat( path, &statbuf );
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if ( errno == ENOENT || errno == ENOTDIR )
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{
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if ( mkdir( path, 0755 ) )
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{
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Fatal( "Can't mkdir %s: %s", path, strerror(errno));
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}
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}
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if ( i == 2 )
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strncpy( date_path, path, sizeof(date_path) );
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else if ( i >= 3 )
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time_path_ptr += snprintf( time_path_ptr, sizeof(time_path)-(time_path_ptr-time_path), "%s%02d", i>3?"/":"", dt_parts[i] );
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}
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char id_file[PATH_MAX];
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// Create event id symlink
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snprintf( id_file, sizeof(id_file), "%s/.%d", date_path, id );
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if ( symlink( time_path, id_file ) < 0 )
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Fatal( "Can't symlink %s -> %s: %s", id_file, path, strerror(errno));
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// Create empty id tag file
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snprintf( id_file, sizeof(id_file), "%s/.%d", path, id );
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if ( FILE *id_fp = fopen( id_file, "w" ) )
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fclose( id_fp );
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else
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Fatal( "Can't fopen %s: %s", id_file, strerror(errno));
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}
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else
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{
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snprintf( path, sizeof(path), "%s/%d/%d", config.dir_events, monitor->Id(), id );
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struct stat statbuf;
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errno = 0;
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stat( path, &statbuf );
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if ( errno == ENOENT || errno == ENOTDIR )
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{
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if ( mkdir( path, 0755 ) )
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{
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Error( "Can't mkdir %s: %s", path, strerror(errno));
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}
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}
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char id_file[PATH_MAX];
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// Create empty id tag file
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snprintf( id_file, sizeof(id_file), "%s/.%d", path, id );
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if ( FILE *id_fp = fopen( id_file, "w" ) )
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fclose( id_fp );
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else
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Fatal( "Can't fopen %s: %s", id_file, strerror(errno));
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}
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last_db_frame = 0;
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}
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Event::~Event()
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{
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if ( frames > last_db_frame )
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{
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struct DeltaTimeval delta_time;
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DELTA_TIMEVAL( delta_time, end_time, start_time, DT_PREC_2 );
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Debug( 1, "Adding closing frame %d to DB", frames );
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static char sql[ZM_SQL_SML_BUFSIZ];
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snprintf( sql, sizeof(sql), "insert into Frames ( EventId, FrameId, TimeStamp, Delta ) values ( %d, %d, from_unixtime( %ld ), %s%ld.%02ld )", id, frames, end_time.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec );
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if ( mysql_query( &dbconn, sql ) )
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{
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Error( "Can't insert frame: %s", mysql_error( &dbconn ) );
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exit( mysql_errno( &dbconn ) );
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}
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}
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static char sql[ZM_SQL_MED_BUFSIZ];
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struct DeltaTimeval delta_time;
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DELTA_TIMEVAL( delta_time, end_time, start_time, DT_PREC_2 );
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snprintf( sql, sizeof(sql), "update Events set Name='%s%d', EndTime = from_unixtime( %ld ), Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d where Id = %d", monitor->EventPrefix(), id, end_time.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec, frames, alarm_frames, tot_score, (int)(alarm_frames?(tot_score/alarm_frames):0), max_score, id );
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if ( mysql_query( &dbconn, sql ) )
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{
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Error( "Can't update 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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void Event::createNotes( std::string ¬es )
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{
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notes.clear();
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for ( StringSetMap::const_iterator mapIter = noteSetMap.begin(); mapIter != noteSetMap.end(); mapIter++ )
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{
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notes += mapIter->first;
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notes += ": ";
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const StringSet &stringSet = mapIter->second;
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for ( StringSet::const_iterator setIter = stringSet.begin(); setIter != stringSet.end(); setIter++ )
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{
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if ( setIter != stringSet.begin() )
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notes += ", ";
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notes += *setIter;
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}
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}
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}
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int Event::sd = -1;
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bool Event::OpenFrameSocket( int monitor_id )
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{
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if ( sd > 0 )
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{
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close( sd );
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}
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sd = socket( AF_UNIX, SOCK_STREAM, 0);
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if ( sd < 0 )
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{
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Error( "Can't create socket: %s", strerror(errno) );
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return( false );
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}
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int socket_buffer_size = config.frame_socket_size;
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if ( socket_buffer_size > 0 )
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{
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if ( setsockopt( sd, SOL_SOCKET, SO_SNDBUF, &socket_buffer_size, sizeof(socket_buffer_size) ) < 0 )
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{
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Error( "Can't get socket buffer size to %d, error = %s", socket_buffer_size, strerror(errno) );
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close( sd );
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sd = -1;
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return( false );
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}
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}
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int flags;
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if ( (flags = fcntl( sd, F_GETFL )) < 0 )
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{
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Error( "Can't get socket flags, error = %s", strerror(errno) );
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close( sd );
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sd = -1;
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return( false );
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}
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flags |= O_NONBLOCK;
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if ( fcntl( sd, F_SETFL, flags ) < 0 )
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{
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Error( "Can't set socket flags, error = %s", strerror(errno) );
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close( sd );
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sd = -1;
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return( false );
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}
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char sock_path[PATH_MAX] = "";
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snprintf( sock_path, sizeof(sock_path), "%s/zmf-%d.sock", config.path_socks, monitor_id );
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struct sockaddr_un addr;
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strncpy( addr.sun_path, sock_path, sizeof(addr.sun_path) );
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addr.sun_family = AF_UNIX;
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if ( connect( sd, (struct sockaddr *)&addr, strlen(addr.sun_path)+sizeof(addr.sun_family)) < 0 )
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{
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Warning( "Can't connect to frame server: %s", strerror(errno) );
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close( sd );
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sd = -1;
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return( false );
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}
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Debug( 1, "Opened connection to frame server" );
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return( true );
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}
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bool Event::ValidateFrameSocket( int monitor_id )
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{
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if ( sd < 0 )
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{
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return( OpenFrameSocket( monitor_id ) );
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}
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return( true );
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}
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bool Event::SendFrameImage( const Image *image, bool alarm_frame )
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{
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if ( !ValidateFrameSocket( monitor->Id() ) )
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{
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return( false );
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}
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static int jpg_buffer_size = 0;
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static unsigned char jpg_buffer[ZM_MAX_IMAGE_SIZE];
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image->EncodeJpeg( jpg_buffer, &jpg_buffer_size, (alarm_frame&&(config.jpeg_alarm_file_quality>config.jpeg_file_quality))?config.jpeg_alarm_file_quality:config.jpeg_file_quality );
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static FrameHeader frame_header;
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frame_header.event_id = id;
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if ( config.use_deep_storage )
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frame_header.event_time = start_time.tv_sec;
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frame_header.frame_id = frames;
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frame_header.alarm_frame = alarm_frame;
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frame_header.image_length = jpg_buffer_size;
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struct iovec iovecs[2];
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iovecs[0].iov_base = &frame_header;
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iovecs[0].iov_len = sizeof(frame_header);
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iovecs[1].iov_base = jpg_buffer;
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iovecs[1].iov_len = jpg_buffer_size;
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ssize_t writev_size = sizeof(frame_header)+jpg_buffer_size;
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ssize_t writev_result = writev( sd, iovecs, sizeof(iovecs)/sizeof(*iovecs));
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if ( writev_result != writev_size )
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{
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if ( writev_result < 0 )
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{
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if ( errno == EAGAIN )
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{
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Warning( "Blocking write detected" );
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}
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else
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{
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Error( "Can't write frame: %s", strerror(errno) );
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close( sd );
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sd = -1;
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}
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}
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else
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{
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Error( "Incomplete frame write: %zd of %zd bytes written", writev_result, writev_size );
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close( sd );
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sd = -1;
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}
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return( false );
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}
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Debug( 1, "Wrote frame image, %d bytes", jpg_buffer_size );
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return( true );
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}
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bool Event::WriteFrameImage( Image *image, struct timeval timestamp, const char *event_file, bool alarm_frame )
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{
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if ( config.timestamp_on_capture )
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{
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if ( !config.opt_frame_server || !SendFrameImage( image, alarm_frame) )
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{
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if ( alarm_frame && (config.jpeg_alarm_file_quality > config.jpeg_file_quality) )
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image->WriteJpeg( event_file, config.jpeg_alarm_file_quality );
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else
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image->WriteJpeg( event_file );
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}
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}
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else
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{
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Image ts_image( *image );
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monitor->TimestampImage( &ts_image, ×tamp );
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if ( !config.opt_frame_server || !SendFrameImage( &ts_image, alarm_frame) )
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{
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if ( alarm_frame && (config.jpeg_alarm_file_quality > config.jpeg_file_quality) )
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ts_image.WriteJpeg( event_file, config.jpeg_alarm_file_quality );
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else
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ts_image.WriteJpeg( event_file );
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}
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}
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return( true );
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}
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void Event::updateNotes( const StringSetMap &newNoteSetMap )
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{
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bool update = false;
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//Info( "Checking notes, %d <> %d", noteSetMap.size(), newNoteSetMap.size() );
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if ( newNoteSetMap.size() > 0 )
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{
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if ( noteSetMap.size() == 0 )
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{
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noteSetMap = newNoteSetMap;
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update = true;
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}
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else
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{
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for ( StringSetMap::const_iterator newNoteSetMapIter = newNoteSetMap.begin(); newNoteSetMapIter != newNoteSetMap.end(); newNoteSetMapIter++ )
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{
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const std::string &newNoteGroup = newNoteSetMapIter->first;
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const StringSet &newNoteSet = newNoteSetMapIter->second;
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//Info( "Got %d new strings", newNoteSet.size() );
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if ( newNoteSet.size() > 0 )
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{
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StringSetMap::iterator noteSetMapIter = noteSetMap.find( newNoteGroup );
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if ( noteSetMapIter == noteSetMap.end() )
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{
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//Info( "Can't find note group %s, copying %d strings", newNoteGroup.c_str(), newNoteSet.size() );
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noteSetMap.insert( StringSetMap::value_type( newNoteGroup, newNoteSet ) );
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update = true;
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}
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else
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{
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StringSet ¬eSet = noteSetMapIter->second;
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//Info( "Found note group %s, got %d strings", newNoteGroup.c_str(), newNoteSet.size() );
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for ( StringSet::const_iterator newNoteSetIter = newNoteSet.begin(); newNoteSetIter != newNoteSet.end(); newNoteSetIter++ )
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{
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const std::string &newNote = *newNoteSetIter;
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StringSet::iterator noteSetIter = noteSet.find( newNote );
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if ( noteSetIter == noteSet.end() )
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{
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noteSet.insert( newNote );
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update = true;
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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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if ( update )
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{
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std::string notes;
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createNotes( notes );
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Debug( 2, "Updating notes for event %d, '%s'", id, notes.c_str() );
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static char sql[ZM_SQL_MED_BUFSIZ];
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#if USE_PREPARED_SQL
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static MYSQL_STMT *stmt = 0;
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char notesStr[ZM_SQL_MED_BUFSIZ] = "";
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unsigned long notesLen = 0;
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if ( !stmt )
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{
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const char *sql = "update Events set Notes = ? where Id = ?";
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stmt = mysql_stmt_init( &dbconn );
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if ( mysql_stmt_prepare( stmt, sql, strlen(sql) ) )
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{
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Fatal( "Unable to prepare sql '%s': %s", sql, mysql_stmt_error(stmt) );
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}
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/* Get the parameter count from the statement */
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if ( mysql_stmt_param_count( stmt ) != 2 )
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{
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Fatal( "Unexpected parameter count %ld in sql '%s'", mysql_stmt_param_count( stmt ), sql );
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}
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MYSQL_BIND bind[2];
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memset(bind, 0, sizeof(bind));
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/* STRING PARAM */
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bind[0].buffer_type = MYSQL_TYPE_STRING;
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bind[0].buffer = (char *)notesStr;
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bind[0].buffer_length = sizeof(notesStr);
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bind[0].is_null = 0;
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bind[0].length = ¬esLen;
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bind[1].buffer_type= MYSQL_TYPE_LONG;
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bind[1].buffer= (char *)&id;
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bind[1].is_null= 0;
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bind[1].length= 0;
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/* Bind the buffers */
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if ( mysql_stmt_bind_param( stmt, bind ) )
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{
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Fatal( "Unable to bind sql '%s': %s", sql, mysql_stmt_error(stmt) );
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}
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}
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strncpy( notesStr, notes.c_str(), sizeof(notesStr) );
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notesLen = notes.length();
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if ( mysql_stmt_execute( stmt ) )
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{
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Fatal( "Unable to execute sql '%s': %s", sql, mysql_stmt_error(stmt) );
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}
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#else
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static char escapedNotes[ZM_SQL_MED_BUFSIZ];
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mysql_real_escape_string( &dbconn, escapedNotes, notes.c_str(), notes.length() );
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snprintf( sql, sizeof(sql), "update Events set Notes = '%s' where Id = %d", escapedNotes, id );
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|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't insert event: %s", mysql_error( &dbconn ) );
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void Event::AddFrames( int n_frames, Image **images, struct timeval **timestamps )
|
|
{
|
|
for (int i = 0; i < n_frames; i += ZM_SQL_BATCH_SIZE) {
|
|
AddFramesInternal(n_frames, i, images, timestamps);
|
|
}
|
|
}
|
|
|
|
void Event::AddFramesInternal( int n_frames, int start_frame, Image **images, struct timeval **timestamps )
|
|
{
|
|
static char sql[ZM_SQL_LGE_BUFSIZ];
|
|
strncpy( sql, "insert into Frames ( EventId, FrameId, TimeStamp, Delta ) values ", sizeof(sql) );
|
|
int frameCount = 0;
|
|
for ( int i = start_frame; i < n_frames && i - start_frame < ZM_SQL_BATCH_SIZE; i++ )
|
|
{
|
|
if ( !timestamps[i]->tv_sec )
|
|
{
|
|
Debug( 1, "Not adding pre-capture frame %d, zero timestamp", i );
|
|
continue;
|
|
}
|
|
|
|
frames++;
|
|
|
|
static char event_file[PATH_MAX];
|
|
snprintf( event_file, sizeof(event_file), capture_file_format, path, frames );
|
|
|
|
Debug( 1, "Writing pre-capture frame %d", frames );
|
|
WriteFrameImage( images[i], *(timestamps[i]), event_file );
|
|
|
|
struct DeltaTimeval delta_time;
|
|
DELTA_TIMEVAL( delta_time, *(timestamps[i]), start_time, DT_PREC_2 );
|
|
|
|
int sql_len = strlen(sql);
|
|
snprintf( sql+sql_len, sizeof(sql)-sql_len, "( %d, %d, from_unixtime(%ld), %s%ld.%02ld ), ", id, frames, timestamps[i]->tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec );
|
|
|
|
frameCount++;
|
|
}
|
|
|
|
if ( frameCount )
|
|
{
|
|
Debug( 1, "Adding %d/%d frames to DB", frameCount, n_frames );
|
|
*(sql+strlen(sql)-2) = '\0';
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't insert frames: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
last_db_frame = frames;
|
|
}
|
|
else
|
|
{
|
|
Debug( 1, "No valid pre-capture frames to add" );
|
|
}
|
|
}
|
|
|
|
void Event::AddFrame( Image *image, struct timeval timestamp, int score, Image *alarm_image )
|
|
{
|
|
if ( !timestamp.tv_sec )
|
|
{
|
|
Debug( 1, "Not adding new frame, zero timestamp" );
|
|
return;
|
|
}
|
|
|
|
frames++;
|
|
|
|
static char event_file[PATH_MAX];
|
|
snprintf( event_file, sizeof(event_file), capture_file_format, path, frames );
|
|
|
|
Debug( 1, "Writing capture frame %d", frames );
|
|
WriteFrameImage( image, timestamp, event_file );
|
|
|
|
struct DeltaTimeval delta_time;
|
|
DELTA_TIMEVAL( delta_time, timestamp, start_time, DT_PREC_2 );
|
|
|
|
bool db_frame = (score>=0) || ((frames%config.bulk_frame_interval)==0) || !frames;
|
|
|
|
if ( db_frame )
|
|
{
|
|
const char *frame_type = score>0?"Alarm":(score<0?"Bulk":"Normal");
|
|
|
|
Debug( 1, "Adding frame %d to DB", frames );
|
|
static char sql[ZM_SQL_MED_BUFSIZ];
|
|
snprintf( sql, sizeof(sql), "insert into Frames ( EventId, FrameId, Type, TimeStamp, Delta, Score ) values ( %d, %d, '%s', from_unixtime( %ld ), %s%ld.%02ld, %d )", id, frames, frame_type, timestamp.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec, score );
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't insert frame: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
last_db_frame = frames;
|
|
|
|
// We are writing a bulk frame
|
|
if ( score < 0 )
|
|
{
|
|
snprintf( sql, sizeof(sql), "update Events set Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d where Id = %d", delta_time.positive?"":"-", delta_time.sec, delta_time.fsec, frames, alarm_frames, tot_score, (int)(alarm_frames?(tot_score/alarm_frames):0), max_score, id );
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't update event: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
end_time = timestamp;
|
|
|
|
if ( score > 0 )
|
|
{
|
|
alarm_frames++;
|
|
|
|
tot_score += score;
|
|
if ( score > (int)max_score )
|
|
max_score = score;
|
|
|
|
if ( alarm_image )
|
|
{
|
|
snprintf( event_file, sizeof(event_file), analyse_file_format, path, frames );
|
|
|
|
Debug( 1, "Writing analysis frame %d", frames );
|
|
WriteFrameImage( alarm_image, timestamp, event_file, true );
|
|
}
|
|
}
|
|
|
|
/* This makes viewing the diagnostic images impossible because it keeps deleting them
|
|
if ( config.record_diag_images )
|
|
{
|
|
char diag_glob[PATH_MAX] = "";
|
|
|
|
snprintf( diag_glob, sizeof(diag_glob), "%s/%d/diag-*.jpg", config.dir_events, monitor->Id() );
|
|
glob_t pglob;
|
|
int glob_status = glob( diag_glob, 0, 0, &pglob );
|
|
if ( glob_status != 0 )
|
|
{
|
|
if ( glob_status < 0 )
|
|
{
|
|
Error( "Can't glob '%s': %s", diag_glob, strerror(errno) );
|
|
}
|
|
else
|
|
{
|
|
Debug( 1, "Can't glob '%s': %d", diag_glob, glob_status );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char new_diag_path[PATH_MAX] = "";
|
|
for ( int i = 0; i < pglob.gl_pathc; i++ )
|
|
{
|
|
char *diag_path = pglob.gl_pathv[i];
|
|
|
|
char *diag_file = strstr( diag_path, "diag-" );
|
|
|
|
if ( diag_file )
|
|
{
|
|
snprintf( new_diag_path, sizeof(new_diag_path), general_file_format, path, frames, diag_file );
|
|
|
|
if ( rename( diag_path, new_diag_path ) < 0 )
|
|
{
|
|
Error( "Can't rename '%s' to '%s': %s", diag_path, new_diag_path, strerror(errno) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
globfree( &pglob );
|
|
}
|
|
*/
|
|
}
|
|
|
|
bool EventStream::loadInitialEventData( int monitor_id, time_t event_time )
|
|
{
|
|
static char sql[ZM_SQL_SML_BUFSIZ];
|
|
|
|
snprintf( sql, sizeof(sql), "select Id from Events where MonitorId = %d and unix_timestamp( EndTime ) > %ld order by Id asc limit 1", monitor_id, event_time );
|
|
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't run query: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
MYSQL_RES *result = mysql_store_result( &dbconn );
|
|
if ( !result )
|
|
{
|
|
Error( "Can't use query result: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
MYSQL_ROW dbrow = mysql_fetch_row( result );
|
|
|
|
if ( mysql_errno( &dbconn ) )
|
|
{
|
|
Error( "Can't fetch row: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
int init_event_id = atoi( dbrow[0] );
|
|
|
|
mysql_free_result( result );
|
|
|
|
loadEventData( init_event_id );
|
|
|
|
if ( event_time )
|
|
{
|
|
curr_stream_time = event_time;
|
|
curr_frame_id = 1;
|
|
if ( event_time >= event_data->start_time )
|
|
{
|
|
for (unsigned int i = 0; i < event_data->frame_count; i++ )
|
|
{
|
|
//Info( "eft %d > et %d", event_data->frames[i].timestamp, event_time );
|
|
if ( event_data->frames[i].timestamp >= event_time )
|
|
{
|
|
curr_frame_id = i+1;
|
|
Debug( 3, "Set cst:%.2f", curr_stream_time );
|
|
Debug( 3, "Set cfid:%d", curr_frame_id );
|
|
break;
|
|
}
|
|
}
|
|
Debug( 3, "Skipping %ld frames", event_data->frame_count );
|
|
}
|
|
}
|
|
return( true );
|
|
}
|
|
|
|
bool EventStream::loadInitialEventData( int init_event_id, int init_frame_id )
|
|
{
|
|
loadEventData( init_event_id );
|
|
|
|
if ( init_frame_id )
|
|
{
|
|
curr_stream_time = event_data->frames[init_frame_id-1].timestamp;
|
|
curr_frame_id = init_frame_id;
|
|
}
|
|
else
|
|
{
|
|
curr_stream_time = event_data->start_time;
|
|
}
|
|
|
|
return( true );
|
|
}
|
|
|
|
bool EventStream::loadEventData( int event_id )
|
|
{
|
|
static char sql[ZM_SQL_MED_BUFSIZ];
|
|
|
|
snprintf( sql, sizeof(sql), "select M.Id, M.Name, E.Frames, unix_timestamp( StartTime ) as StartTimestamp, max(F.Delta)-min(F.Delta) as Duration from Events as E inner join Monitors as M on E.MonitorId = M.Id inner join Frames as F on E.Id = F.EventId where E.Id = %d group by E.Id", event_id );
|
|
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't run query: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
MYSQL_RES *result = mysql_store_result( &dbconn );
|
|
if ( !result )
|
|
{
|
|
Error( "Can't use query result: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
if ( !mysql_num_rows( result ) )
|
|
{
|
|
Fatal( "Unable to load event %d, not found in DB", event_id );
|
|
}
|
|
|
|
MYSQL_ROW dbrow = mysql_fetch_row( result );
|
|
|
|
if ( mysql_errno( &dbconn ) )
|
|
{
|
|
Error( "Can't fetch row: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
delete event_data;
|
|
event_data = new EventData;
|
|
event_data->event_id = event_id;
|
|
event_data->monitor_id = atoi( dbrow[0] );
|
|
event_data->start_time = atoi(dbrow[3]);
|
|
if ( config.use_deep_storage )
|
|
{
|
|
struct tm *event_time = localtime( &event_data->start_time );
|
|
if ( config.dir_events[0] == '/' )
|
|
snprintf( event_data->path, sizeof(event_data->path), "%s/%ld/%02d/%02d/%02d/%02d/%02d/%02d", config.dir_events, event_data->monitor_id, event_time->tm_year-100, event_time->tm_mon+1, event_time->tm_mday, event_time->tm_hour, event_time->tm_min, event_time->tm_sec );
|
|
else
|
|
snprintf( event_data->path, sizeof(event_data->path), "%s/%s/%ld/%02d/%02d/%02d/%02d/%02d/%02d", staticConfig.PATH_WEB.c_str(), config.dir_events, event_data->monitor_id, event_time->tm_year-100, event_time->tm_mon+1, event_time->tm_mday, event_time->tm_hour, event_time->tm_min, event_time->tm_sec );
|
|
}
|
|
else
|
|
{
|
|
if ( config.dir_events[0] == '/' )
|
|
snprintf( event_data->path, sizeof(event_data->path), "%s/%ld/%ld", config.dir_events, event_data->monitor_id, event_data->event_id );
|
|
else
|
|
snprintf( event_data->path, sizeof(event_data->path), "%s/%s/%ld/%ld", staticConfig.PATH_WEB.c_str(), config.dir_events, event_data->monitor_id, event_data->event_id );
|
|
}
|
|
event_data->frame_count = atoi(dbrow[2]);
|
|
event_data->duration = atof(dbrow[4]);
|
|
|
|
updateFrameRate( (double)event_data->frame_count/event_data->duration );
|
|
|
|
mysql_free_result( result );
|
|
|
|
snprintf( sql, sizeof(sql), "select FrameId, unix_timestamp( `TimeStamp` ), Delta from Frames where EventId = %d order by FrameId asc", event_id );
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't run query: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
result = mysql_store_result( &dbconn );
|
|
if ( !result )
|
|
{
|
|
Error( "Can't use query result: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
event_data->n_frames = mysql_num_rows( result );
|
|
|
|
event_data->frames = new FrameData[event_data->frame_count];
|
|
int id, last_id = 0;
|
|
time_t timestamp, last_timestamp = event_data->start_time;
|
|
double delta, last_delta = 0.0;
|
|
while ( ( dbrow = mysql_fetch_row( result ) ) )
|
|
{
|
|
id = atoi(dbrow[0]);
|
|
timestamp = atoi(dbrow[1]);
|
|
delta = atof(dbrow[2]);
|
|
int id_diff = id - last_id;
|
|
double frame_delta = (delta-last_delta)/id_diff;
|
|
if ( id_diff > 1 )
|
|
{
|
|
for ( int i = last_id+1; i < id; i++ )
|
|
{
|
|
event_data->frames[i-1].timestamp = (time_t)(last_timestamp + ((i-last_id)*frame_delta));
|
|
event_data->frames[i-1].offset = (time_t)(event_data->frames[i-1].timestamp-event_data->start_time);
|
|
event_data->frames[i-1].delta = frame_delta;
|
|
event_data->frames[i-1].in_db = false;
|
|
}
|
|
}
|
|
event_data->frames[id-1].timestamp = timestamp;
|
|
event_data->frames[id-1].offset = (time_t)(event_data->frames[id-1].timestamp-event_data->start_time);
|
|
event_data->frames[id-1].delta = id>1?frame_delta:0.0;
|
|
event_data->frames[id-1].in_db = true;
|
|
last_id = id;
|
|
last_delta = delta;
|
|
last_timestamp = timestamp;
|
|
}
|
|
if ( mysql_errno( &dbconn ) )
|
|
{
|
|
Error( "Can't fetch row: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
//for ( int i = 0; i < 250; i++ )
|
|
//{
|
|
//Info( "%d -> %d @ %f (%d)", i+1, event_data->frames[i].timestamp, event_data->frames[i].delta, event_data->frames[i].in_db );
|
|
//}
|
|
|
|
mysql_free_result( result );
|
|
|
|
if ( forceEventChange || mode == MODE_ALL_GAPLESS )
|
|
{
|
|
if ( replay_rate > 0 )
|
|
curr_stream_time = event_data->frames[0].timestamp;
|
|
else
|
|
curr_stream_time = event_data->frames[event_data->frame_count-1].timestamp;
|
|
}
|
|
Debug( 2, "Event:%ld, Frames:%ld, Duration: %.2f", event_data->event_id, event_data->frame_count, event_data->duration );
|
|
|
|
return( true );
|
|
}
|
|
|
|
void EventStream::processCommand( const CmdMsg *msg )
|
|
{
|
|
Debug( 2, "Got message, type %d, msg %d", msg->msg_type, msg->msg_data[0] )
|
|
// Check for incoming command
|
|
switch( (MsgCommand)msg->msg_data[0] )
|
|
{
|
|
case CMD_PAUSE :
|
|
{
|
|
Debug( 1, "Got PAUSE command" );
|
|
|
|
// Set paused flag
|
|
paused = true;
|
|
replay_rate = ZM_RATE_BASE;
|
|
last_frame_sent = TV_2_FLOAT( now );
|
|
break;
|
|
}
|
|
case CMD_PLAY :
|
|
{
|
|
Debug( 1, "Got PLAY command" );
|
|
if ( paused )
|
|
{
|
|
// Clear paused flag
|
|
paused = false;
|
|
}
|
|
replay_rate = ZM_RATE_BASE;
|
|
break;
|
|
}
|
|
case CMD_VARPLAY :
|
|
{
|
|
Debug( 1, "Got VARPLAY command" );
|
|
if ( paused )
|
|
{
|
|
// Clear paused flag
|
|
paused = false;
|
|
}
|
|
replay_rate = ntohs(((unsigned char)msg->msg_data[2]<<8)|(unsigned char)msg->msg_data[1])-32768;
|
|
break;
|
|
}
|
|
case CMD_STOP :
|
|
{
|
|
Debug( 1, "Got STOP command" );
|
|
|
|
// Clear paused flag
|
|
paused = false;
|
|
break;
|
|
}
|
|
case CMD_FASTFWD :
|
|
{
|
|
Debug( 1, "Got FAST FWD command" );
|
|
if ( paused )
|
|
{
|
|
// Clear paused flag
|
|
paused = false;
|
|
}
|
|
// Set play rate
|
|
switch ( replay_rate )
|
|
{
|
|
case 2 * ZM_RATE_BASE :
|
|
replay_rate = 5 * ZM_RATE_BASE;
|
|
break;
|
|
case 5 * ZM_RATE_BASE :
|
|
replay_rate = 10 * ZM_RATE_BASE;
|
|
break;
|
|
case 10 * ZM_RATE_BASE :
|
|
replay_rate = 25 * ZM_RATE_BASE;
|
|
break;
|
|
case 25 * ZM_RATE_BASE :
|
|
case 50 * ZM_RATE_BASE :
|
|
replay_rate = 50 * ZM_RATE_BASE;
|
|
break;
|
|
default :
|
|
replay_rate = 2 * ZM_RATE_BASE;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case CMD_SLOWFWD :
|
|
{
|
|
Debug( 1, "Got SLOW FWD command" );
|
|
// Set paused flag
|
|
paused = true;
|
|
// Set play rate
|
|
replay_rate = ZM_RATE_BASE;
|
|
// Set step
|
|
step = 1;
|
|
break;
|
|
}
|
|
case CMD_SLOWREV :
|
|
{
|
|
Debug( 1, "Got SLOW REV command" );
|
|
// Set paused flag
|
|
paused = true;
|
|
// Set play rate
|
|
replay_rate = ZM_RATE_BASE;
|
|
// Set step
|
|
step = -1;
|
|
break;
|
|
}
|
|
case CMD_FASTREV :
|
|
{
|
|
Debug( 1, "Got FAST REV command" );
|
|
if ( paused )
|
|
{
|
|
// Clear paused flag
|
|
paused = false;
|
|
}
|
|
// Set play rate
|
|
switch ( replay_rate )
|
|
{
|
|
case -2 * ZM_RATE_BASE :
|
|
replay_rate = -5 * ZM_RATE_BASE;
|
|
break;
|
|
case -5 * ZM_RATE_BASE :
|
|
replay_rate = -10 * ZM_RATE_BASE;
|
|
break;
|
|
case -10 * ZM_RATE_BASE :
|
|
replay_rate = -25 * ZM_RATE_BASE;
|
|
break;
|
|
case -25 * ZM_RATE_BASE :
|
|
case -50 * ZM_RATE_BASE :
|
|
replay_rate = -50 * ZM_RATE_BASE;
|
|
break;
|
|
default :
|
|
replay_rate = -2 * ZM_RATE_BASE;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case CMD_ZOOMIN :
|
|
{
|
|
x = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
|
|
y = ((unsigned char)msg->msg_data[3]<<8)|(unsigned char)msg->msg_data[4];
|
|
Debug( 1, "Got ZOOM IN command, to %d,%d", x, y );
|
|
switch ( zoom )
|
|
{
|
|
case 100:
|
|
zoom = 150;
|
|
break;
|
|
case 150:
|
|
zoom = 200;
|
|
break;
|
|
case 200:
|
|
zoom = 300;
|
|
break;
|
|
case 300:
|
|
zoom = 400;
|
|
break;
|
|
case 400:
|
|
default :
|
|
zoom = 500;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case CMD_ZOOMOUT :
|
|
{
|
|
Debug( 1, "Got ZOOM OUT command" );
|
|
switch ( zoom )
|
|
{
|
|
case 500:
|
|
zoom = 400;
|
|
break;
|
|
case 400:
|
|
zoom = 300;
|
|
break;
|
|
case 300:
|
|
zoom = 200;
|
|
break;
|
|
case 200:
|
|
zoom = 150;
|
|
break;
|
|
case 150:
|
|
default :
|
|
zoom = 100;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case CMD_PAN :
|
|
{
|
|
x = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
|
|
y = ((unsigned char)msg->msg_data[3]<<8)|(unsigned char)msg->msg_data[4];
|
|
Debug( 1, "Got PAN command, to %d,%d", x, y );
|
|
break;
|
|
}
|
|
case CMD_SCALE :
|
|
{
|
|
scale = ((unsigned char)msg->msg_data[1]<<8)|(unsigned char)msg->msg_data[2];
|
|
Debug( 1, "Got SCALE command, to %d", scale );
|
|
break;
|
|
}
|
|
case CMD_PREV :
|
|
{
|
|
Debug( 1, "Got PREV command" );
|
|
if ( replay_rate >= 0 )
|
|
curr_frame_id = 0;
|
|
else
|
|
curr_frame_id = event_data->frame_count-1;
|
|
paused = false;
|
|
forceEventChange = true;
|
|
break;
|
|
}
|
|
case CMD_NEXT :
|
|
{
|
|
Debug( 1, "Got NEXT command" );
|
|
if ( replay_rate >= 0 )
|
|
curr_frame_id = event_data->frame_count-1;
|
|
else
|
|
curr_frame_id = 0;
|
|
paused = false;
|
|
forceEventChange = true;
|
|
break;
|
|
}
|
|
case CMD_SEEK :
|
|
{
|
|
int offset = ((unsigned char)msg->msg_data[1]<<24)|((unsigned char)msg->msg_data[2]<<16)|((unsigned char)msg->msg_data[3]<<8)|(unsigned char)msg->msg_data[4];
|
|
curr_frame_id = (int)(event_data->frame_count*offset/event_data->duration);
|
|
Debug( 1, "Got SEEK command, to %d (new cfid: %d)", offset, curr_frame_id );
|
|
break;
|
|
}
|
|
case CMD_QUERY :
|
|
{
|
|
Debug( 1, "Got QUERY command, sending STATUS" );
|
|
break;
|
|
}
|
|
default :
|
|
{
|
|
// Do nothing, for now
|
|
}
|
|
}
|
|
struct {
|
|
int event;
|
|
int progress;
|
|
int rate;
|
|
int zoom;
|
|
bool paused;
|
|
} status_data;
|
|
|
|
status_data.event = event_data->event_id;
|
|
status_data.progress = (int)event_data->frames[curr_frame_id-1].offset;
|
|
status_data.rate = replay_rate;
|
|
status_data.zoom = zoom;
|
|
status_data.paused = paused;
|
|
Debug( 2, "E:%d, P:%d, p:%d R:%d, Z:%d",
|
|
status_data.event,
|
|
status_data.paused,
|
|
status_data.progress,
|
|
status_data.rate,
|
|
status_data.zoom
|
|
);
|
|
|
|
DataMsg status_msg;
|
|
status_msg.msg_type = MSG_DATA_EVENT;
|
|
memcpy( &status_msg.msg_data, &status_data, sizeof(status_msg.msg_data) );
|
|
if ( sendto( sd, &status_msg, sizeof(status_msg), MSG_DONTWAIT, (sockaddr *)&rem_addr, sizeof(rem_addr) ) < 0 )
|
|
{
|
|
//if ( errno != EAGAIN )
|
|
{
|
|
Error( "Can't sendto on sd %d: %s", sd, strerror(errno) );
|
|
exit( -1 );
|
|
}
|
|
}
|
|
|
|
updateFrameRate( (double)event_data->frame_count/event_data->duration );
|
|
}
|
|
|
|
void EventStream::checkEventLoaded()
|
|
{
|
|
bool reload_event = false;
|
|
static char sql[ZM_SQL_SML_BUFSIZ];
|
|
|
|
if ( curr_frame_id <= 0 )
|
|
{
|
|
snprintf( sql, sizeof(sql), "select Id from Events where MonitorId = %ld and Id < %ld order by Id desc limit 1", event_data->monitor_id, event_data->event_id );
|
|
reload_event = true;
|
|
}
|
|
else if ( (unsigned int)curr_frame_id > event_data->frame_count )
|
|
{
|
|
snprintf( sql, sizeof(sql), "select Id from Events where MonitorId = %ld and Id > %ld order by Id asc limit 1", event_data->monitor_id, event_data->event_id );
|
|
reload_event = true;
|
|
}
|
|
|
|
if ( reload_event )
|
|
{
|
|
if ( forceEventChange || mode != MODE_SINGLE )
|
|
{
|
|
//Info( "SQL:%s", sql );
|
|
if ( mysql_query( &dbconn, sql ) )
|
|
{
|
|
Error( "Can't run query: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
MYSQL_RES *result = mysql_store_result( &dbconn );
|
|
if ( !result )
|
|
{
|
|
Error( "Can't use query result: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
MYSQL_ROW dbrow = mysql_fetch_row( result );
|
|
|
|
if ( mysql_errno( &dbconn ) )
|
|
{
|
|
Error( "Can't fetch row: %s", mysql_error( &dbconn ) );
|
|
exit( mysql_errno( &dbconn ) );
|
|
}
|
|
|
|
if ( dbrow )
|
|
{
|
|
int event_id = atoi(dbrow[0]);
|
|
Debug( 1, "Loading new event %d", event_id );
|
|
|
|
loadEventData( event_id );
|
|
|
|
Debug( 2, "Current frame id = %d", curr_frame_id );
|
|
// When loading a new event, always set the current frame id to the first frame rather than the last
|
|
// if ( curr_frame_id <= 0 )
|
|
// curr_frame_id = event_data->frame_count;
|
|
// else
|
|
curr_frame_id = 1;
|
|
Debug( 2, "New frame id = %d", curr_frame_id );
|
|
}
|
|
else
|
|
{
|
|
if ( curr_frame_id <= 0 )
|
|
curr_frame_id = 1;
|
|
else
|
|
curr_frame_id = event_data->frame_count;
|
|
paused = true;
|
|
}
|
|
mysql_free_result( result );
|
|
forceEventChange = false;
|
|
}
|
|
else
|
|
{
|
|
if ( curr_frame_id <= 0 )
|
|
curr_frame_id = 1;
|
|
else
|
|
curr_frame_id = event_data->frame_count;
|
|
paused = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool EventStream::sendFrame( int delta_us )
|
|
{
|
|
Debug( 2, "Sending frame %d", curr_frame_id );
|
|
|
|
static char filepath[PATH_MAX];
|
|
static struct stat filestat;
|
|
FILE *fdj = NULL;
|
|
|
|
snprintf( filepath, sizeof(filepath), Event::capture_file_format, event_data->path, curr_frame_id );
|
|
|
|
#if HAVE_LIBAVCODEC
|
|
if ( type == STREAM_MPEG )
|
|
{
|
|
Image image( filepath );
|
|
|
|
Image *send_image = prepareImage( &image );
|
|
|
|
if ( !vid_stream )
|
|
{
|
|
vid_stream = new VideoStream( "pipe:", format, bitrate, effective_fps, send_image->Colours(), send_image->SubpixelOrder(), send_image->Width(), send_image->Height() );
|
|
fprintf( stdout, "Content-type: %s\r\n\r\n", vid_stream->MimeType() );
|
|
vid_stream->OpenStream();
|
|
}
|
|
/* double pts = */ vid_stream->EncodeFrame( send_image->Buffer(), send_image->Size(), config.mpeg_timed_frames, delta_us*1000 );
|
|
}
|
|
else
|
|
#endif // HAVE_LIBAVCODEC
|
|
{
|
|
static unsigned char temp_img_buffer[ZM_MAX_IMAGE_SIZE];
|
|
|
|
int img_buffer_size = 0;
|
|
uint8_t *img_buffer = temp_img_buffer;
|
|
|
|
bool send_raw = ((scale>=ZM_SCALE_BASE)&&(zoom==ZM_SCALE_BASE));
|
|
|
|
fprintf( stdout, "--ZoneMinderFrame\r\n" );
|
|
|
|
if ( type != STREAM_JPEG )
|
|
send_raw = false;
|
|
|
|
if ( send_raw )
|
|
{
|
|
fdj = fopen( filepath, "rb" );
|
|
if ( !fdj )
|
|
{
|
|
Error( "Can't open %s: %s", filepath, strerror(errno) );
|
|
return( false );
|
|
}
|
|
#if HAVE_SENDFILE
|
|
if( fstat(fileno(fdj),&filestat) < 0 ) {
|
|
Error( "Failed getting information about file %s: %s", filepath, strerror(errno) );
|
|
return( false );
|
|
}
|
|
#else
|
|
img_buffer_size = fread( img_buffer, 1, sizeof(temp_img_buffer), fdj );
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
Image image( filepath );
|
|
|
|
Image *send_image = prepareImage( &image );
|
|
|
|
switch( type )
|
|
{
|
|
case STREAM_JPEG :
|
|
send_image->EncodeJpeg( img_buffer, &img_buffer_size );
|
|
break;
|
|
case STREAM_ZIP :
|
|
#if HAVE_ZLIB_H
|
|
unsigned long zip_buffer_size;
|
|
send_image->Zip( img_buffer, &zip_buffer_size );
|
|
img_buffer_size = zip_buffer_size;
|
|
break;
|
|
#else
|
|
Error("zlib is required for zipped images. Falling back to raw image");
|
|
type = STREAM_RAW;
|
|
#endif // HAVE_ZLIB_H
|
|
case STREAM_RAW :
|
|
img_buffer = (uint8_t*)(send_image->Buffer());
|
|
img_buffer_size = send_image->Size();
|
|
break;
|
|
default:
|
|
Fatal( "Unexpected frame type %d", type );
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch( type )
|
|
{
|
|
case STREAM_JPEG :
|
|
fprintf( stdout, "Content-Type: image/jpeg\r\n" );
|
|
break;
|
|
case STREAM_RAW :
|
|
fprintf( stdout, "Content-Type: image/x-rgb\r\n" );
|
|
break;
|
|
case STREAM_ZIP :
|
|
fprintf( stdout, "Content-Type: image/x-rgbz\r\n" );
|
|
break;
|
|
default :
|
|
Fatal( "Unexpected frame type %d", type );
|
|
break;
|
|
}
|
|
|
|
|
|
if(send_raw) {
|
|
#if HAVE_SENDFILE
|
|
fprintf( stdout, "Content-Length: %d\r\n\r\n", (int)filestat.st_size );
|
|
if(sendfile(fileno(stdout), fileno(fdj), 0, (int)filestat.st_size) != (int)filestat.st_size) {
|
|
/* sendfile() failed, use standard way instead */
|
|
img_buffer_size = fread( img_buffer, 1, sizeof(temp_img_buffer), fdj );
|
|
if ( fwrite( img_buffer, img_buffer_size, 1, stdout ) != 1 ) {
|
|
Error("Unable to send raw frame %u: %s",curr_frame_id,strerror(errno));
|
|
return( false );
|
|
}
|
|
}
|
|
#else
|
|
fprintf( stdout, "Content-Length: %d\r\n\r\n", img_buffer_size );
|
|
if ( fwrite( img_buffer, img_buffer_size, 1, stdout ) != 1 ) {
|
|
Error("Unable to send raw frame %u: %s",curr_frame_id,strerror(errno));
|
|
return( false );
|
|
}
|
|
#endif
|
|
fclose(fdj); /* Close the file handle */
|
|
} else {
|
|
fprintf( stdout, "Content-Length: %d\r\n\r\n", img_buffer_size );
|
|
if ( fwrite( img_buffer, img_buffer_size, 1, stdout ) != 1 )
|
|
{
|
|
Error( "Unable to send stream frame: %s", strerror(errno) );
|
|
return( false );
|
|
}
|
|
}
|
|
|
|
fprintf( stdout, "\r\n\r\n" );
|
|
fflush( stdout );
|
|
}
|
|
last_frame_sent = TV_2_FLOAT( now );
|
|
return( true );
|
|
}
|
|
|
|
void EventStream::runStream()
|
|
{
|
|
Event::Initialise();
|
|
|
|
openComms();
|
|
|
|
checkInitialised();
|
|
|
|
updateFrameRate( (double)event_data->frame_count/event_data->duration );
|
|
|
|
if ( type == STREAM_JPEG )
|
|
fprintf( stdout, "Content-Type: multipart/x-mixed-replace;boundary=ZoneMinderFrame\r\n\r\n" );
|
|
|
|
if ( !event_data )
|
|
{
|
|
sendTextFrame( "No event data found" );
|
|
exit( 0 );
|
|
}
|
|
|
|
unsigned int delta_us = 0;
|
|
while( !zm_terminate )
|
|
{
|
|
gettimeofday( &now, NULL );
|
|
|
|
while(checkCommandQueue());
|
|
|
|
if ( step != 0 )
|
|
curr_frame_id += step;
|
|
|
|
checkEventLoaded();
|
|
|
|
// Get current frame data
|
|
FrameData *frame_data = &event_data->frames[curr_frame_id-1];
|
|
|
|
//Info( "cst:%.2f", curr_stream_time );
|
|
//Info( "cfid:%d", curr_frame_id );
|
|
//Info( "fdt:%d", frame_data->timestamp );
|
|
if ( !paused )
|
|
{
|
|
bool in_event = true;
|
|
double time_to_event = 0;
|
|
if ( replay_rate > 0 )
|
|
{
|
|
time_to_event = event_data->frames[0].timestamp - curr_stream_time;
|
|
if ( time_to_event > 0 )
|
|
in_event = false;
|
|
}
|
|
else if ( replay_rate < 0 )
|
|
{
|
|
time_to_event = curr_stream_time - event_data->frames[event_data->frame_count-1].timestamp;
|
|
if ( time_to_event > 0 )
|
|
in_event = false;
|
|
}
|
|
if ( !in_event )
|
|
{
|
|
double actual_delta_time = TV_2_FLOAT( now ) - last_frame_sent;
|
|
if ( actual_delta_time > 1 )
|
|
{
|
|
static char frame_text[64];
|
|
snprintf( frame_text, sizeof(frame_text), "Time to next event = %d seconds", (int)time_to_event );
|
|
if ( !sendTextFrame( frame_text ) )
|
|
zm_terminate = true;
|
|
}
|
|
//else
|
|
//{
|
|
usleep( STREAM_PAUSE_WAIT );
|
|
//curr_stream_time += (replay_rate>0?1:-1) * ((1.0L * replay_rate * STREAM_PAUSE_WAIT)/(ZM_RATE_BASE * 1000000));
|
|
curr_stream_time += (1.0L * replay_rate * STREAM_PAUSE_WAIT)/(ZM_RATE_BASE * 1000000);
|
|
//}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Figure out if we should send this frame
|
|
bool send_frame = false;
|
|
if ( !paused )
|
|
{
|
|
// If we are streaming and this frame is due to be sent
|
|
if ( ((curr_frame_id-1)%frame_mod) == 0 )
|
|
{
|
|
delta_us = (unsigned int)(frame_data->delta * 1000000);
|
|
if ( effective_fps < base_fps )
|
|
delta_us = (unsigned int)((delta_us * base_fps)/effective_fps);
|
|
send_frame = true;
|
|
}
|
|
}
|
|
else if ( step != 0 )
|
|
{
|
|
// We are paused and are just stepping forward or backward one frame
|
|
step = 0;
|
|
send_frame = true;
|
|
}
|
|
else
|
|
{
|
|
// We are paused, and doing nothing
|
|
double actual_delta_time = TV_2_FLOAT( now ) - last_frame_sent;
|
|
if ( actual_delta_time > MAX_STREAM_DELAY )
|
|
{
|
|
// Send keepalive
|
|
Debug( 2, "Sending keepalive frame" );
|
|
send_frame = true;
|
|
}
|
|
}
|
|
|
|
if ( send_frame )
|
|
if ( !sendFrame( delta_us ) )
|
|
zm_terminate = true;
|
|
|
|
curr_stream_time = frame_data->timestamp;
|
|
|
|
if ( !paused )
|
|
{
|
|
curr_frame_id += replay_rate>0?1:-1;
|
|
if ( send_frame && type != STREAM_MPEG )
|
|
{
|
|
Debug( 3, "dUs: %d", delta_us );
|
|
usleep( delta_us );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
usleep( (unsigned long)((1000000 * ZM_RATE_BASE)/((base_fps?base_fps:1)*abs(replay_rate*2))) );
|
|
}
|
|
}
|
|
#if HAVE_LIBAVCODEC
|
|
if ( type == STREAM_MPEG )
|
|
delete vid_stream;
|
|
#endif // HAVE_LIBAVCODEC
|
|
|
|
closeComms();
|
|
}
|