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zoneminder/src/zm_event.cpp

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//
// ZoneMinder Event Class Implementation, $Date$, $Revision$
// Copyright (C) 2001-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include <fcntl.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include <sys/uio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <getopt.h>
#include <arpa/inet.h>
#include <glob.h>
#include <cinttypes>
#include "zm.h"
#include "zm_db.h"
#include "zm_time.h"
#include "zm_signal.h"
#include "zm_event.h"
#include "zm_monitor.h"
//#define USE_PREPARED_SQL 1
const char * Event::frame_type_names[3] = { "Normal", "Bulk", "Alarm" };
int Event::pre_alarm_count = 0;
Event::PreAlarmData Event::pre_alarm_data[MAX_PRE_ALARM_FRAMES] = { { 0 } };
Event::Event(
Monitor *p_monitor,
struct timeval p_start_time,
const std::string &p_cause,
const StringSetMap &p_noteSetMap
) :
monitor(p_monitor),
start_time(p_start_time),
cause(p_cause),
noteSetMap(p_noteSetMap)
{
std::string notes;
createNotes(notes);
struct timeval now;
gettimeofday(&now, 0);
bool untimedEvent = false;
if ( !start_time.tv_sec ) {
untimedEvent = true;
start_time = now;
} else if ( start_time.tv_sec > now.tv_sec ) {
Error(
"StartTime in the future %u.%u > %u.%u",
start_time.tv_sec, start_time.tv_usec, now.tv_sec, now.tv_usec
);
start_time = now;
}
Storage * storage = monitor->getStorage();
scheme = storage->Scheme();
unsigned int state_id = 0;
zmDbRow dbrow;
if ( dbrow.fetch("SELECT Id FROM States WHERE IsActive=1") ) {
state_id = atoi(dbrow[0]);
}
// Copy it in case opening the mp4 doesn't work we can set it to another value
save_jpegs = monitor->GetOptSaveJPEGs();
char sql[ZM_SQL_MED_BUFSIZ];
snprintf(sql, sizeof(sql),
"INSERT INTO `Events` "
"( `MonitorId`, `StorageId`, `Name`, `StartTime`, `Width`, `Height`, `Cause`, `Notes`, `StateId`, `Orientation`, `Videoed`, `DefaultVideo`, `SaveJPEGs`, `Scheme` )"
" VALUES "
"( %d, %d, 'New Event', from_unixtime( %ld ), %d, %d, '%s', '%s', %d, %d, %d, '', %d, '%s' )",
monitor->Id(),
storage->Id(),
start_time.tv_sec,
monitor->Width(),
monitor->Height(),
cause.c_str(),
notes.c_str(),
state_id,
monitor->getOrientation(),
( monitor->GetOptVideoWriter() != 0 ? 1 : 0 ),
monitor->GetOptSaveJPEGs(),
storage->SchemeString().c_str()
);
db_mutex.lock();
if ( mysql_query(&dbconn, sql) ) {
Error("Can't insert event: %s. sql was (%s)", mysql_error(&dbconn), sql);
db_mutex.unlock();
return;
}
id = mysql_insert_id(&dbconn);
db_mutex.unlock();
if ( untimedEvent ) {
Warning("Event %d has zero time, setting to current", id);
}
end_time.tv_sec = 0;
frames = 0;
alarm_frames = 0;
tot_score = 0;
max_score = 0;
have_video_keyframe = false;
alarm_frame_written = false;
struct tm *stime = localtime(&start_time.tv_sec);
path = stringtf("%s/%d", storage->Path(), monitor->Id());
// Try to make the Monitor Dir. Normally this would exist, but in odd cases might not.
if ( mkdir(path.c_str(), 0755) ) {
if ( errno != EEXIST )
Error("Can't mkdir %s: %s", path, strerror(errno));
}
if ( storage->Scheme() == Storage::DEEP ) {
int dt_parts[6];
dt_parts[0] = stime->tm_year-100;
dt_parts[1] = stime->tm_mon+1;
dt_parts[2] = stime->tm_mday;
dt_parts[3] = stime->tm_hour;
dt_parts[4] = stime->tm_min;
dt_parts[5] = stime->tm_sec;
char date_path[PATH_MAX] = "";
char time_path[PATH_MAX] = "";
char *time_path_ptr = time_path;
for ( unsigned int i = 0; i < sizeof(dt_parts)/sizeof(*dt_parts); i++ ) {
path += stringtf("/%02d", dt_parts[i]);
errno = 0;
if ( mkdir(path.c_str(), 0755) ) {
// FIXME This should not be fatal. Should probably move to a different storage area.
if ( errno != EEXIST )
Error("Can't mkdir %s: %s", path.c_str(), strerror(errno));
}
if ( i == 2 )
strncpy(date_path, path.c_str(), sizeof(date_path));
else if ( i >= 3 )
time_path_ptr += snprintf(time_path_ptr, sizeof(time_path)-(time_path_ptr-time_path), "%s%02d", i>3?"/":"", dt_parts[i]);
}
// Create event id symlink
std::string id_file = stringtf("%s/.%" PRIu64, date_path, id);
if ( symlink(time_path, id_file.c_str()) < 0 )
Error("Can't symlink %s -> %s: %s", id_file.c_str(), path.c_str(), strerror(errno));
} else if ( storage->Scheme() == Storage::MEDIUM ) {
path += stringtf("/%04d-%02d-%02d",
stime->tm_year+1900, stime->tm_mon+1, stime->tm_mday
);
if ( mkdir(path.c_str(), 0755) ) {
if ( errno != EEXIST )
Error("Can't mkdir %s: %s", path.c_str(), strerror(errno));
}
path += stringtf("/%" PRIu64, id);
if ( mkdir(path.c_str(), 0755) ) {
if ( errno != EEXIST )
Error("Can't mkdir %s: %s", path.c_str(), strerror(errno));
}
} else {
path += stringtf("/%" PRIu64, id);
if ( mkdir(path.c_str(), 0755) ) {
if ( errno != EEXIST )
Error("Can't mkdir %s: %s", path.c_str(), strerror(errno));
}
// Create empty id tag file
std::string id_file = stringtf("%s/.%" PRIu64, path.c_str(), id);
if ( FILE *id_fp = fopen(id_file.c_str(), "w") )
fclose(id_fp);
else
Error("Can't fopen %s: %s", id_file.c_str(), strerror(errno));
} // deep storage or not
Debug(2, "Created event %d at %s", id, path.c_str());
last_db_frame = 0;
video_name[0] = 0;
snapshot_file = path + "/snapshot.jpg";
alarm_file = path + "/alarm.jpg";
/* Save as video */
if ( monitor->GetOptVideoWriter() != 0 ) {
Debug(2,"Video writer was %d", monitor->GetOptVideoWriter());
std::string container = monitor->OutputContainer();
if ( container == "auto" || container == "" ) {
if ( monitor->OutputCodec() == AV_CODEC_ID_H264 ) {
container = "mp4";
} else {
container = "mkv";
}
}
snprintf(video_name, sizeof(video_name), "%" PRIu64 "-%s.%s", id, "video", container.c_str());
snprintf(video_file, sizeof(video_file), staticConfig.video_file_format, path.c_str(), video_name);
Debug(1,"Writing video file to %s", video_file);
Camera * camera = monitor->getCamera();
videoStore = new VideoStore(
video_file,
container.c_str(),
camera->get_VideoStream(),
( monitor->RecordAudio() ? camera->get_AudioStream() : NULL ),
monitor );
if ( ! videoStore->open() ) {
delete videoStore;
videoStore = NULL;
save_jpegs |= 1; // Turn on jpeg storage
}
}
} // Event::Event( Monitor *p_monitor, struct timeval p_start_time, const std::string &p_cause, const StringSetMap &p_noteSetMap, bool p_videoEvent )
Event::~Event() {
// We close the videowriter first, because if we finish the event, we might try to view the file, but we aren't done writing it yet.
/* Close the video file */
if ( videoStore ) {
Debug(2,"Deleting video store");
delete videoStore;
videoStore = NULL;
}
struct DeltaTimeval delta_time;
DELTA_TIMEVAL(delta_time, end_time, start_time, DT_PREC_2);
Debug(2, "start_time:%d.%d end_time%d.%d", start_time.tv_sec, start_time.tv_usec, end_time.tv_sec, end_time.tv_usec);
#if 0 // This closing frame has no image. There is no point in adding a db record for it, I think. ICON
if ( frames > last_db_frame ) {
frames ++;
Debug(1, "Adding closing frame %d to DB", frames);
frame_data.push(new Frame(id, frames, NORMAL, end_time, delta_time, 0));
}
#endif
if ( frame_data.size() )
WriteDbFrames();
// Should not be static because we might be multi-threaded
char sql[ZM_SQL_LGE_BUFSIZ];
snprintf(sql, sizeof(sql),
"UPDATE Events SET Name='%s %" PRIu64 "', EndTime = from_unixtime( %ld ), Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d, DefaultVideo = '%s' WHERE Id = %" PRIu64,
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,
video_name, id );
db_mutex.lock();
while ( mysql_query(&dbconn, sql) && !zm_terminate ) {
db_mutex.unlock();
Error("Can't update event: %s reason: %s", sql, mysql_error(&dbconn));
sleep(1);
db_mutex.lock();
}
db_mutex.unlock();
} // Event::~Event()
void Event::createNotes(std::string &notes) {
if ( !notes.empty() ) {
notes.clear();
for ( StringSetMap::const_iterator mapIter = noteSetMap.begin(); mapIter != noteSetMap.end(); ++mapIter ) {
notes += mapIter->first;
notes += ": ";
const StringSet &stringSet = mapIter->second;
for ( StringSet::const_iterator setIter = stringSet.begin(); setIter != stringSet.end(); ++setIter ) {
if ( setIter != stringSet.begin() )
notes += ", ";
notes += *setIter;
}
}
} else {
notes = "";
}
} // void Event::createNotes(std::string &notes)
bool Event::WriteFrameImage(
Image *image,
struct timeval timestamp,
const char *event_file,
bool alarm_frame) {
int thisquality =
(alarm_frame && (config.jpeg_alarm_file_quality > config.jpeg_file_quality)) ?
config.jpeg_alarm_file_quality : 0 ; // quality to use, zero is default
bool rc;
if ( !config.timestamp_on_capture ) {
// stash the image we plan to use in another pointer regardless if timestamped.
// exif is only timestamp at present this switches on or off for write
Image *ts_image = new Image(*image);
monitor->TimestampImage(ts_image, &timestamp);
rc = ts_image->WriteJpeg(event_file, thisquality,
(monitor->Exif() ? timestamp : (timeval){0,0}));
delete(ts_image);
} else {
rc = image->WriteJpeg(event_file, thisquality,
(monitor->Exif() ? timestamp : (timeval){0,0}));
}
return rc;
} // end Event::WriteFrameImage( Image *image, struct timeval timestamp, const char *event_file, bool alarm_frame )
bool Event::WritePacket(ZMPacket &packet) {
if ( videoStore->writePacket(&packet) < 0 )
return false;
return true;
} // bool Event::WriteFrameVideo
void Event::updateNotes(const StringSetMap &newNoteSetMap) {
bool update = false;
//Info( "Checking notes, %d <> %d", noteSetMap.size(), newNoteSetMap.size() );
if ( newNoteSetMap.size() > 0 ) {
if ( noteSetMap.size() == 0 ) {
noteSetMap = newNoteSetMap;
update = true;
} else {
for ( StringSetMap::const_iterator newNoteSetMapIter = newNoteSetMap.begin();
newNoteSetMapIter != newNoteSetMap.end();
++newNoteSetMapIter ) {
const std::string &newNoteGroup = newNoteSetMapIter->first;
const StringSet &newNoteSet = newNoteSetMapIter->second;
//Info( "Got %d new strings", newNoteSet.size() );
if ( newNoteSet.size() > 0 ) {
StringSetMap::iterator noteSetMapIter = noteSetMap.find(newNoteGroup);
if ( noteSetMapIter == noteSetMap.end() ) {
//Info( "Can't find note group %s, copying %d strings", newNoteGroup.c_str(), newNoteSet.size() );
noteSetMap.insert(StringSetMap::value_type(newNoteGroup, newNoteSet));
update = true;
} else {
StringSet &noteSet = noteSetMapIter->second;
//Info( "Found note group %s, got %d strings", newNoteGroup.c_str(), newNoteSet.size() );
for ( StringSet::const_iterator newNoteSetIter = newNoteSet.begin();
newNoteSetIter != newNoteSet.end();
++newNoteSetIter ) {
const std::string &newNote = *newNoteSetIter;
StringSet::iterator noteSetIter = noteSet.find(newNote);
if ( noteSetIter == noteSet.end() ) {
noteSet.insert(newNote);
update = true;
}
} // end for
} // end if ( noteSetMap.size() == 0
} // end if newNoteSetupMap.size() > 0
} // end foreach newNoteSetMap
} // end if have old notes
} // end if have new notes
if ( update ) {
std::string notes;
createNotes(notes);
Debug(2, "Updating notes for event %d, '%s'", id, notes.c_str());
static char sql[ZM_SQL_LGE_BUFSIZ];
#if USE_PREPARED_SQL
static MYSQL_STMT *stmt = 0;
char notesStr[ZM_SQL_MED_BUFSIZ] = "";
unsigned long notesLen = 0;
if ( !stmt ) {
const char *sql = "UPDATE `Events` SET `Notes` = ? WHERE `Id` = ?";
stmt = mysql_stmt_init(&dbconn);
if ( mysql_stmt_prepare(stmt, sql, strlen(sql)) ) {
Fatal("Unable to prepare sql '%s': %s", sql, mysql_stmt_error(stmt));
}
/* Get the parameter count from the statement */
if ( mysql_stmt_param_count(stmt) != 2 ) {
Error("Unexpected parameter count %ld in sql '%s'", mysql_stmt_param_count(stmt), sql);
}
MYSQL_BIND bind[2];
memset(bind, 0, sizeof(bind));
/* STRING PARAM */
bind[0].buffer_type = MYSQL_TYPE_STRING;
bind[0].buffer = (char *)notesStr;
bind[0].buffer_length = sizeof(notesStr);
bind[0].is_null = 0;
bind[0].length = &notesLen;
bind[1].buffer_type= MYSQL_TYPE_LONG;
bind[1].buffer= (char *)&id;
bind[1].is_null= 0;
bind[1].length= 0;
/* Bind the buffers */
if ( mysql_stmt_bind_param(stmt, bind) ) {
Error("Unable to bind sql '%s': %s", sql, mysql_stmt_error(stmt));
}
} // end if ! stmt
strncpy(notesStr, notes.c_str(), sizeof(notesStr));
if ( mysql_stmt_execute(stmt) ) {
Error("Unable to execute sql '%s': %s", sql, mysql_stmt_error(stmt));
}
#else
static char escapedNotes[ZM_SQL_MED_BUFSIZ];
mysql_real_escape_string(&dbconn, escapedNotes, notes.c_str(), notes.length());
snprintf(sql, sizeof(sql), "UPDATE `Events` SET `Notes` = '%s' WHERE `Id` = %" PRIu64, escapedNotes, id);
db_mutex.lock();
if ( mysql_query(&dbconn, sql) ) {
Error("Can't insert event: %s", mysql_error(&dbconn));
}
db_mutex.unlock();
#endif
} // end if update
} // void Event::updateNotes(const StringSetMap &newNoteSetMap)
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 <= 0 ) {
Debug(1, "Not adding pre-capture frame %d, zero or less than 0 timestamp", i);
continue;
} else if ( timestamps[i]->tv_sec < 0 ) {
Warning( "Not adding pre-capture frame %d, negative timestamp", i );
continue;
} else {
Debug( 3, "Adding pre-capture frame %d, timestamp = (%d), start_time=(%d)", i, timestamps[i]->tv_sec, start_time.tv_sec );
}
frames++;
if ( save_jpegs & 1 ) {
static char event_file[PATH_MAX];
snprintf(event_file, sizeof(event_file), staticConfig.capture_file_format, path.c_str(), frames);
Debug(1, "Writing pre-capture frame %d", frames);
WriteFrameImage(images[i], *(timestamps[i]), event_file);
}
//If this is the first frame, we should add a thumbnail to the event directory
// ICON: We are working through the pre-event frames so this snapshot won't
// neccessarily be of the motion. But some events are less than 10 frames,
// so I am changing this to 1, but we should overwrite it later with a better snapshot.
if ( frames == 1 ) {
WriteFrameImage(images[i], *(timestamps[i]), snapshot_file);
}
struct DeltaTimeval delta_time;
DELTA_TIMEVAL(delta_time, *(timestamps[i]), start_time, DT_PREC_2);
// Delta is Decimal(8,2) so 6 integer digits and 2 decimal digits
if ( delta_time.sec > 999999 ) {
Warning("Invalid delta_time from_unixtime(%ld), %s%ld.%02ld",
timestamps[i]->tv_sec,
(delta_time.positive?"":"-"),
delta_time.sec,
delta_time.fsec);
delta_time.sec = 0;
}
int sql_len = strlen(sql);
snprintf(sql+sql_len, sizeof(sql)-sql_len, "( %" PRIu64 ", %d, from_unixtime(%ld), %s%ld.%02ld ), ",
id, frames, timestamps[i]->tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec);
frameCount++;
} // end foreach frame
if ( frameCount ) {
Debug(1, "Adding %d/%d frames to DB", frameCount, n_frames);
*(sql+strlen(sql)-2) = '\0';
db_mutex.lock();
if ( mysql_query(&dbconn, sql) ) {
Error("Can't insert frames: %s, sql was (%s)", mysql_error(&dbconn), sql);
}
db_mutex.unlock();
last_db_frame = frames;
} else {
Debug(1, "No valid pre-capture frames to add");
}
} // void Event::AddFramesInternal(int n_frames, int start_frame, Image **images, struct timeval **timestamps)
void Event::AddPacket(ZMPacket *packet, int score, Image *alarm_image) {
have_video_keyframe = have_video_keyframe || ( ( packet->codec_type == AVMEDIA_TYPE_VIDEO ) && packet->keyframe );
if ( videoStore ) {
if ( have_video_keyframe ) {
videoStore->writePacket(packet);
} else {
Debug(2, "No video keyframe yet, not writing");
}
//FIXME if it fails, we should write a jpeg
}
if ( have_video_keyframe && ( packet->codec_type == AVMEDIA_TYPE_VIDEO ) ) {
AddFrame(packet->image, *packet->timestamp, score, alarm_image);
} // end if is video
return;
}
void Event::WriteDbFrames() {
static char sql[ZM_SQL_LGE_BUFSIZ];
char * sql_ptr = (char *)&sql;
sql_ptr += snprintf(sql, sizeof(sql),
"INSERT INTO Frames ( EventId, FrameId, Type, TimeStamp, Delta, Score ) VALUES "
);
while ( frame_data.size() ) {
Frame *frame = frame_data.front();
frame_data.pop();
sql_ptr += snprintf(sql_ptr, sizeof(sql)-(sql_ptr-(char *)&sql), "( %" PRIu64 ", %d, '%s', from_unixtime( %ld ), %s%ld.%02ld, %d ), ",
id, frame->frame_id, frame_type_names[frame->type],
frame->timestamp.tv_sec,
frame->delta.positive?"":"-",
frame->delta.sec,
frame->delta.fsec,
frame->score);
delete frame;
}
*(sql_ptr-2) = '\0';
db_mutex.lock();
if ( mysql_query(&dbconn, sql) ) {
db_mutex.unlock();
Error("Can't insert frames: %s, sql was %s", mysql_error(&dbconn), sql);
return;
}
db_mutex.unlock();
} // end void Event::WriteDbFrames()
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++;
bool write_to_db = false;
FrameType frame_type = score>0?ALARM:(score<0?BULK:NORMAL);
// < 0 means no motion detection is being done.
if ( score < 0 )
score = 0;
if ( save_jpegs & 1 ) {
static char event_file[PATH_MAX];
snprintf(event_file, sizeof(event_file), staticConfig.capture_file_format, path, frames);
Debug(1, "Writing capture frame %d to %s", frames, event_file);
if ( !WriteFrameImage(image, timestamp, event_file) ) {
Error("Failed to write frame image");
}
} // end if save_jpegs
// If this is the first frame, we should add a thumbnail to the event directory
if ( (frames == 1) || (score > (int)max_score) ) {
write_to_db = true; // web ui might show this as thumbnail, so db needs to know about it.
WriteFrameImage(image, timestamp, snapshot_file);
}
// We are writing an Alarm frame
if ( frame_type == ALARM ) {
// The first frame with a score will be the frame that alarmed the event
if ( !alarm_frame_written ) {
write_to_db = true; // OD processing will need it, so the db needs to know about it
alarm_frame_written = true;
WriteFrameImage(image, timestamp, alarm_file.c_str());
}
if ( videowriter != NULL ) {
WriteFrameVideo(image, timestamp, videowriter);
}
struct DeltaTimeval delta_time;
DELTA_TIMEVAL(delta_time, timestamp, start_time, DT_PREC_2);
bool db_frame = ( frame_type != BULK ) || (frames==1) || ((frames%config.bulk_frame_interval)==0) ;
if ( db_frame ) {
static char sql[ZM_SQL_MED_BUFSIZ];
frame_data.push(new Frame(id, frames, frame_type, timestamp, delta_time, score));
if ( write_to_db || ( frame_data.size() > 20 ) ) {
Debug(1, "Adding %d frames to DB", frame_data.size());
WriteDbFrames();
last_db_frame = frames;
}
// We are writing a Bulk frame
if ( frame_type == BULK ) {
snprintf(sql, sizeof(sql),
"UPDATE Events SET Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d WHERE Id = %" PRIu64,
( 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
);
db_mutex.lock();
while ( mysql_query(&dbconn, sql) && !zm_terminate ) {
Error("Can't update event: %s", mysql_error(&dbconn));
db_mutex.unlock();
sleep(1);
db_mutex.lock();
}
db_mutex.unlock();
} // end if frame_type == BULK
} // end if db_frame
end_time = timestamp;
// We are writing an Alarm frame
if ( frame_type == ALARM ) {
alarm_frames++;
tot_score += score;
if ( score > (int)max_score )
max_score = score;
if ( alarm_image ) {
if ( save_jpegs & 2 ) {
static char event_file[PATH_MAX];
snprintf(event_file, sizeof(event_file), staticConfig.analyse_file_format, path.c_str(), frames);
Debug(1, "Writing analysis frame %d", frames);
if ( ! WriteFrameImage(alarm_image, timestamp, event_file, true) ) {
Error("Failed to write analysis frame image");
}
}
}
} // end if frame_type == ALARM
} // end void Event::AddFrame(Image *image, struct timeval timestamp, int score, Image *alarm_image)
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