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zm_html_view_watchfeed.php

<?php
//
// ZoneMinder web watch feed view file, $Date: 2006/03/27 22:01:33 $, $Revision: 1.44 $
// Copyright (C) 2003, 2004, 2005, 2006  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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//

if ( !canView( 'Stream' ) )
{
      $view = "error";
      return;
}

if ( empty($mode) )
{
      if ( ZM_WEB_USE_STREAMS && canStream() )
            $mode = "stream";
      else
            $mode = "still";
}

$sql = "select M.*,C.CanMoveMap,C.CanMoveRel,C.CanMoveCon from Monitors as M left join Controls as C on (M.ControlId = C.Id ) where M.Id = '$mid'";
$result = mysql_query( $sql );
if ( !$result )
      die( mysql_error() );
$monitor = mysql_fetch_assoc( $result );
mysql_free_result( $result );

if ( !isset( $scale ) )
      $scale = reScale( SCALE_BASE, $monitor['DefaultScale'], ZM_WEB_DEFAULT_SCALE );

if ( $mode != "stream" )
{
      // Prompt an image to be generated
      if ( ZM_WEB_REFRESH_METHOD == "http" )
            header("Refresh: ".ZM_WEB_REFRESH_IMAGE."; URL=$PHP_SELF?view=watchfeed&mid=$mid&mode=still&scale=$scale" );
}
noCacheHeaders();

$image_src = getStreamSrc( array( "mode=single", "monitor=".$mid, "scale=".$scale ) );

?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title><?= ZM_WEB_TITLE_PREFIX ?> - <?= $monitor['Name'] ?> - <?= $zmSlangFeed ?></title>
<link rel="stylesheet" href="zm_html_styles.css" type="text/css">
<script type="text/javascript">
<?php
if ( $mode != "stream" && ZM_WEB_REFRESH_METHOD == "javascript" )
{
      if ( ZM_WEB_DOUBLE_BUFFER )
      {
?>
function fetchImage()
{
      var now = new Date();
      var zm_image = new Image();
      zm_image.src = '<?= $image_src ?>'+'&'+now.getTime();

      document['zmImage'].src = zm_image.src;
}

window.setInterval( "fetchImage()", <?= ZM_WEB_REFRESH_IMAGE*1000 ?> );
<?php
      }
      else
      {
?>
window.setTimeout( "window.location.reload(true)", <?= ZM_WEB_REFRESH_IMAGE*1000 ?> );
<?php
      }
}
?>
</script>
</head>
<body>
<table width="96%" align="center" border="0" cellspacing="0" cellpadding="2">
<tr><td colspan="5" align="center">
<?php
if ( $mode == "stream" )
{
      if ( ZM_STREAM_METHOD == 'mpeg' && ZM_MPEG_LIVE_FORMAT )
      {
            $stream_src = getStreamSrc( array( "mode=mpeg", "monitor=".$mid, "scale=".$scale, "bitrate=".ZM_WEB_VIDEO_BITRATE, "maxfps=".ZM_WEB_VIDEO_MAXFPS, "format=".ZM_MPEG_LIVE_FORMAT ) );
            outputVideoStream( $stream_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ), $monitor['Name'], ZM_MPEG_LIVE_FORMAT );
      }
      else
      {
            $stream_src = getStreamSrc( array( "mode=jpeg", "monitor=".$mid, "scale=".$scale, "maxfps=".ZM_WEB_VIDEO_MAXFPS ) );
            if ( canStreamNative() )
            {
                  if ( $control && ($monitor['CanMoveMap'] || $monitor['CanMoveRel'] || $monitor['CanMoveCon']) )
                  {
                        outputControlStream( $stream_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ), $monitor, $scale, "ControlSink".$mid );
                  }
                  else
                  {
                        outputImageStream( $stream_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ), $monitor['Name'] );
                  }
            }
            else
            {
                  outputHelperStream( $stream_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ) );
            }
      }
}
else
{
      if ( $control && ($monitor['CanMoveMap'] || $monitor['CanMoveRel'] || $monitor['CanMoveCon']) )
      {
            outputControlStill( $image_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ), $monitor, $scale, "ControlSink".$mid );
      }
      else
      {
            outputImageStill( $image_src, reScale( $monitor['Width'], $scale ), reScale( $monitor['Height'], $scale ), $monitor['Name'] );
      }
}
?>
</td></tr>
</table>
</body>
</html>

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