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=== ZoneMinder FAQ ===* http://www.zoneminder.com/wiki/index.php/FAQ === locations and paths ===The Fedora RPM creates /var/log/zoneminder, but the database scripts point logs to /tmp, rather than the new directory. (Stupid)* Click '''Options''', '''Paths''' tab, and change ZM_PATH_LOGS = /var/log/zoneminder* Click '''Options''', '''Debug''' tab, and change ZM_EXTRA_DEBUG_LOG = /var/log/zoneminder/zm_debug.log+Find the php program files: cd /usr/share/zoneminder/www/Find the jpg still captures: cd /var/lib/zoneminder/eventsAvailable sounds: cd /usr/share/zoneminder/www/soundsOthers:* '''/etc/zm.conf''' : file is generated by 'configure'* '''/usr/share/zoneminder/www/zm_config.php''' : web configuration file=== ffmpeg: converts jpg captured frames into mpeg video ===<big>'''NOTE:''' Unable to get ZM_STREAM_METHOD mpeg or mpeg export working due to flaw in RPM build and ffmpeg version. No solution is currently available. A work around is to run ffmpeg from the command shell to turn still JPEG images into MPEG video if you install ffmpeg per instructions below.</big>* Install ffmpeg on Fedora.Due to licensing the ffmpeg package is absent from Fedora. It can be added from [[Fedora_Linux_Distribution_Reference#Livna:_Get_Important_Packages_Missing_From_Fedora|Livna]]. wget http://rpm.livna.org/livna-release-8.rpm rpm -ih livna-release-8.rpm yum install ffmpeg yum install ffmpeg-develWhich provides the following: ffmpeg-libs-0.4.9-0.41.20071011.lvn8, ffmpeg-0.4.9-0.41.20071011.lvn8, ffmpeg-devel-0.4.9-0.41.20071011.lvn8* Test ffmpeg ffmpeg -f image2 -i %03d-capture.jpg /tmp/movie.mpg* Configuration changes in zoneminder necessary** Goto the '''Options''' menu, click on the '''Images''' tab** Change the following options for Fedora:*** ZM_PATH_MPEG_ENCODE: /usr/bin/mpeg_encode*** ZM_PATH_FFMPEG: /usr/bin/ffmpeg * '''Record''' – In this case continuous events of a fixed length are generated regardless of motion which is analogous to a convention time-lapse video recorder. No motion detection takes place in this mode. * '''Record''' – In this case continuous events of a fixed length are generated regardless of motion which is analogous to a convention time-lapse video recorder. No [[motion detection]] takes place in this mode. * '''Nodect''' – or No DEteCTtion. This is a special mode designed to be used with external triggers. In Nodect no motion detection takes place but events are recorded if external triggers require it.* '''Nodect''' – or No DEteCTtion. This is a special mode designed to be used with external triggers. In Nodect no [[motion detection]] takes place but events are recorded if external triggers require it. === [http://www.zoneminder.com/wiki/index.php/Documentation#Defining_Zones Zones] === The default zone is Active and so will be red, Inclusive zones are orange, exclusive zones are purple, preclusive zones are blue and inactive zones are white. * Active - trigger on any event within selection* Inclusive - triggered only if another zone has an event also* Exclusive - triggered only if other zone not triggered* Preclusive -* Inactive - no alarms will be triggered === Blobs AlarmedPixels FilteredPixels === * Alarmed Pixels - only a count of individual alarmed pixels should be used to determine the state of a image.* Filtered Pixels - the pixels should be filtered to remove isolated pixels before being counted.* Blobs - a more sophisticated analysis which is designed to aggregate alarmed pixels into continuous groups, or ‘blobs’. === Parameters === * Min/Max Pixel Threshold -* Filter Width/Height - this filter removes any tiny or discontinuous pixels that don't form part of a discrete block.* Min/Max Alarmed Area - the minimum and maximum number of pixels that exceed this threshold that would cause an alarm.* Min/Max Filtered Area - * Min/Max Blob Area - only the Minimum is likely to be very useful.* Min/Max Blobs - the limits of the actual number of blobs detected. The [[Analog TV and Digital Video Resolution Guide]] explains how lines of TV resolution translates into pixels. The default setting for a camera on ZoneMinder is 320x200 pixels.The [[Analog TV and Digital Video Resolution Guide]] explains how lines of TV resolution translates into pixels. The default setting for a camera on ZoneMinder is 320x240 pixels. First, your capture card can limit the resolution you must use. The capabilities of the capture card may dictate that you set 320x240 for all your cameras connected to the capture card - if using an analog capture card. For IP cameras the best match between camera and pixel resolution is if the number of lines equals with the height of the captured picture. * For resolutions above 352x240 NTSC the video will become interlaced.* For resolutions above 368x288 PAL the video will become interlaced. When an image is interlaced, basically 2 passes are made on camera, one pass for odd lines, one for even, and these are spliced together to form one image. The interlaced frames are 1/60th of a second apart. === de-interlacing errors on 878A single chip cards === ZM_CAPTURES_PER_FRAME with interlacing, the default is 3, you can try 2 to solve interlacing problems. If you stick with 320x240 you will not have to worry about interlacing issues. == Quality == I recommend setting quality to '85' 85 ZM_JPEG_FILE_QUALITY Set the JPEG quality setting for the saved event files (1-100) (?) 85 ZM_JPEG_IMAGE_QUALITY Set the JPEG quality setting for the streamed 'live' images (1-100) (?) == Advanced == zoneminder is made up of 3 types of programming# C++ compiled binaries## /usr/bin/zm*## /usr/libexec/zoneminder/cgi-bin/zms## /usr/libexec/zoneminder/cgi-bin/nph-zms# perl scripts## /usr/bin/zm*.pl# php scripts## /usr/share/zoneminder/www/zm_*.php zmu -d /dev/video0 -q show device settings zmu -m 8 -q show settings for monitor with id "8" zmu -m 8 -s state for monitor 8, 0 = idle, 1 = prealarm, 2 = alarm, 3 = alert, 4 = tapeInded of documented zmu commands: http://www.zoneminder.com/wiki/index.php/Zmu === zoneminder components including C++, Perl, and PHP ===* http://www.zoneminder.com/wiki/index.php/Documentation#Components === zmtrack.pl === This is a script that can execute custom events when it detects an alarm. Set the zmtrack.pl to watch a perl zmtrack.pl -m 2 zmtrack.pl -m id_camera === Event Filters === * http://www.zoneminder.com/wiki/index.php/Main_Documentation#Viewing_Events === Run External Script When Alarm is Active === ZoneMinder includes a perl API which means you can create a script to interact with the ZM shared memory data and use it in your own scripts to react to ZM alarms or to trigger ZM to generate new alarms. Full details are in the README or by doing 'perdoc ZoneMinder', 'perldoc ZoneMinder::SharedMem' etc. Follow this [http://www.zoneminder.com/wiki/index.php/FAQ#How_can_I_use_ZoneMinder_to_trigger_something_else_when_there_is_an_alarm.3F link to an example script] that checks all monitors for alarms and when one occurs, prints a message to the screen. You can add in your own code to make this reaction a little more useful.