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====== Zenteknix Technical Information: ZoneMinder  ======

[[:tech:zoneminder:cameras:start|Camera Information]]

===== Troubleshooting =====

==== Montage View Issues ====
=== Layout Selection Doesn't Take Effect ===
The layout selection won't take effect if Firefox's zoom setting isn't at 100% \\

=== Camera Monitors Have Intermittent Display Failures ===
Firefox only allows a low number of connections by default, and if more than just a small handful of cameras ( perhaps, more than 6 ) are being monitored, there won't be enough connections allowed for all the required activity.  The solution for this is to change some settings in Firefox to allow more connections, which is done by visiting the ''about:config'' URL, and changing these settings:
<code>
browser.cache.check_doc_frequency 1
browser.cache.disk.enable False
network.http.max-connections 100
network.http.max-persistent-connections-per-proxy 100
network.http.max-persistent-connections-per-server 100
</code>

===== ZoneMinder Installation for Slackware =====

=== Perl modules need to be installed ===
  * cpan LWP
  * cpan LWP::Protocol::https
  * cpan Date::Manip
    - cpan HTML::Tagset
    - cpan HTML::Parser
    - cpan Encode::Locale
  * cpan URI::Escape
    - cpan HTTP::Date
    - cpan LWP::MediaTypes
    - cpan File::Listing
    - cpan Net::HTTP
    - cpan WWW::RobotRules
    - cpan HTTP::Message
    - cpan HTTP::Negotiate
    - cpan HTTP::Cookies
    - cpan HTTP::Daemon

... at this point, install from libwww-perl.SlackBuild, then continue with perl modules:

  * cpan PHP::Serialization
  * cpan Sys::Mmap
  * cpan Archive::Zip
  * cpan X10
  * cpan Device::SerialPort
  * cpan MIME::Lite
  * cpan MIME::Entity

The ZoneMinder.SlackBuild should be installed next

If a USB webcam is desired, alot of them provide an mjpg stream, and these steps would be appropriate
  * Install from mjpg-streamer.SlackBuild
  * modprobe usbvideo

The q4vl2 program can be used to verify some cameras (attached to capture cards, etc...)

To start ZoneMinder manually:
<code>zmpkg.pl start</code>


=== Re-building libjpeg is advised - OR, use libjpeg-turbo ===
Sample retrieval:
<code>wget http://www.ijg.org/files/jpegsrc.v8d.tar.gz</code>
After unpacking the source:
<code>./configure --prefix=/usr</code>
Edit jdmarker.c an comment out line with JWRN_EXTRANEOUS_DATA, then
<code>
export ARCH=x86_64 ; export DESTDIR=/root/build ; make install
cd /root/build ; makepkg ../libjpeg-v8d-x86_64-rk4n3.tgz
</code>

=== 1.25.0 and earlier ===
Change in configure:
<code>CPPFLAGS="${CFLAGS} -D__STDC_CONSTANT_MACROS"</code>
... and then:
<code>./configure --prefix=/usr --libdir=/usr/lib64 --sysconfdir=/etc --localstatedir=/var --with-webdir=/var/www/htdocs/zm --with-cgidir=/var/www/cgi-bin --with-webuser=apache --with-webgroup=apache ZM_DB_HOST=localhost ZM_DB_NAME=zm ZM_DB_USER=zmuser ZM_DB_PASS=zmpass ZM_SSL_LIB=openssl</code>
=== After 1.26 ... ===
<code>
cmake -DCMAKE_INSTALL_PREFIX="/usr" -DZM_DB_PASS="h0ckeypuck"
DESTDIR=/root/build make
DESTDIR=/root/build make install
</code>
... The Default DB user=zmuser and default DB name=zm

=== ZM has streaming disabled for Chrome - fix with ... ===
Edit /srv/www/htdocs/zm/includes/functions.php
In function canStreamNative() remove the !isChrome() call

=== Apache ... ===
Starting with slackware 14.0, apache config needs tweak ... uncomment:
<code>LoadModule cgi_module lib64/httpd/modules/mod_cgi.so</code>

==== Blue Cherry H.264 hardware compression capture card driver ====
git clone https://github.com/bluecherrydvr/solo6x10

=== Patch ... ===
<file>
diff --git a/solo6010-v4l2-enc.c b/solo6010-v4l2-enc.c
index 4b2fbdc..b7ba954 100644
--- a/solo6010-v4l2-enc.c
+++ b/solo6010-v4l2-enc.c
@@ -949,7 +949,7 @@ static int solo_enc_open(struct inode *ino, struct file *file)
        fh->fmt = V4L2_PIX_FMT_MPEG;
        fh->type = SOLO_ENC_TYPE_STD;
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,37)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36)
        videobuf_queue_sg_init(&fh->vidq, &solo_enc_video_qops,
                                &solo_dev->pdev->dev,
                                &fh->av_lock,
diff --git a/solo6010-v4l2.c b/solo6010-v4l2.c
index 4a955eb..e3077c2 100644
--- a/solo6010-v4l2.c
+++ b/solo6010-v4l2.c
@@ -437,7 +437,7 @@ static int solo_v4l2_open(struct inode *ino, struct file *file)
                return ret;
        }
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,37)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36)
        videobuf_queue_dma_contig_init(&fh->vidq, &solo_video_qops,
                                       &solo_dev->pdev->dev, &fh->slock,
                                       V4L2_BUF_TYPE_VIDEO_CAPTURE,
</file>

... then:
<code>
make
rm /lib/modules/2.6.37.6/kernel/drivers/staging/solo6x10/*
make install
depmod
</code>

 \\
// Links: [[:tech:zoneminder:start|ZoneMinder Info]] ... [[:tech:start|Tech Info]] //
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