';
return $html;
}
/* options['width'] is the desired view width not necessarily the image width requested.
* It can be % in which case we us it to set the scale
* It can be px in which case we can use it to calculate the scale
* Same width height. If both are set we should calculate the smaller resulting scale
*/
function getStreamHTML($options) {
if (isset($options['scale']) and $options['scale'] != '' and $options['scale'] != 'fixed') {
if ($options['scale'] != 'auto' && $options['scale'] != '0') {
$options['width'] = reScale($this->ViewWidth(), $options['scale']).'px';
$options['height'] = reScale($this->ViewHeight(), $options['scale']).'px';
} else if (!(isset($options['width']) or isset($options['height']))) {
$options['width'] = '100%';
$options['height'] = 'auto';
}
} else {
$options['scale'] = 100;
# scale is empty or 100
# There may be a fixed width applied though, in which case we need to leave the height empty
if (!(isset($options['width']) and $options['width']) or ($options['width']=='auto')) {
# Havn't specified width. If we specified height, then we should
# use a width that keeps the aspect ratio, otherwise no scaling,
# no dimensions, so assume the dimensions of the Monitor
if (!(isset($options['height']) and $options['height'])) {
# If we havn't specified any scale or dimensions, then we must be using CSS to scale it in a dynamic way. Can't make any assumptions.
}
} else {
if (preg_match('/^(\d+)px$/', $options['width'], $matches)) {
$scale = intval(100*$matches[1]/$this->ViewWidth());
if ($scale < $options['scale'])
$options['scale'] = $scale;
} else if (preg_match('/^(\d+)%$/', $options['width'], $matches)) {
$scale = intval($matches[1]);
if ($scale < $options['scale'])
$options['scale'] = $scale;
} else {
$backTrace = debug_backtrace();
Warning('Invalid value for width: '.$options['width']. ' from '.print_r($backTrace, true));
}
}
}
if (!isset($options['mode'])) {
$options['mode'] = 'stream';
}
if (!isset($options['width']) or $options['width'] == 'auto')
$options['width'] = 0;
if (!isset($options['height']) or $options['height'] == 'auto')
$options['height'] = 0;
if (!isset($options['maxfps'])) {
$options['maxfps'] = ZM_WEB_VIDEO_MAXFPS;
}
if ($this->StreamReplayBuffer())
$options['buffer'] = $this->StreamReplayBuffer();
//Warning("width: " . $options['width'] . ' height: ' . $options['height']. ' scale: ' . $options['scale'] );
$html = '
';
if ($this->Type() == 'WebSite') {
$html .= getWebSiteUrl(
'liveStream'.$this->Id(), $this->Path(),
( isset($options['width']) ? $options['width'] : NULL ),
( isset($options['height']) ? $options['height'] : NULL ),
$this->Name()
);
//FIXME, the width and height of the image need to be scaled.
} else if ((ZM_WEB_STREAM_METHOD == 'mpeg') && ZM_MPEG_LIVE_FORMAT) {
$streamSrc = $this->getStreamSrc( array(
'mode' => 'mpeg',
'scale' => (isset($options['scale'])?$options['scale']:100),
'bitrate'=> ZM_WEB_VIDEO_BITRATE,
'maxfps' => ZM_WEB_VIDEO_MAXFPS,
'format' => ZM_MPEG_LIVE_FORMAT
) );
$html .= getVideoStreamHTML( 'liveStream'.$this->Id(), $streamSrc, $options['width'], $options['height'], ZM_MPEG_LIVE_FORMAT, $this->Name() );
} else if ($this->JanusEnabled() or ($this->RTSP2WebEnabled() and ZM_RTSP2WEB_PATH)) {
$html .= '';
} else if ( $options['mode'] == 'stream' and canStream() ) {
$options['mode'] = 'jpeg';
$streamSrc = $this->getStreamSrc($options);
$html .= getImageStreamHTML('liveStream'.$this->Id(), $streamSrc, $options['width'], $options['height'], $this->Name());
} else if ( $options['mode'] == 'single' and canStream() ) {
$streamSrc = $this->getStreamSrc($options);
$html .= getImageStreamHTML('liveStream'.$this->Id(), $streamSrc, $options['width'], $options['height'], $this->Name());
} else {
if ($options['mode'] == 'stream') {
Info('The system has fallen back to single jpeg mode for streaming. Consider enabling Cambozola or upgrading the client browser.');
}
$options['mode'] = 'single';
$streamSrc = $this->getStreamSrc($options);
$html .= getImageStill('liveStream'.$this->Id(), $streamSrc,
(isset($options['width']) ? $options['width'] : null),
(isset($options['height']) ? $options['height'] : null),
$this->Name());
}
if (isset($options['zones']) and $options['zones']) {
$html .= '
';
} # end if showZones
$html .= PHP_EOL.'
'.PHP_EOL;
if (isset($options['state']) and $options['state']) {
//if ((!ZM_WEB_COMPACT_MONTAGE) && ($this->Type() != 'WebSite')) {
$html .= $this->getMonitorStateHTML();
}
$html .= PHP_EOL.'
'.PHP_EOL;
return $html;
} // end getStreamHTML
public function effectivePermission($u=null) {
if ($u === null) {
global $user;
$u = $user;
}
$monitor_permission = $u->Monitor_Permission($this->Id());
if ($monitor_permission->Permission() != 'Inherit') {
return $monitor_permission->Permission();
}
$gp_permissions = array();
foreach ($u->Group_Permissions() as $gp) {
if (false === array_search($this->Id(), $gp->Group()->MonitorIds())) {
continue;
}
if ($gp->Permission() == 'None') {
return $gp->Permission();
}
$gp_permissions[$gp->Permission()] = 1;
}
if (isset($gp_permissions['View'])) return 'View';
if (isset($gp_permissions['Edit'])) return 'Edit';
return $u->Monitors();
}
public function link_to($text='') {
return ''.($text ? $text : $this->Name()).'';
}
} // end class Monitor
?>