77 lines
2.8 KiB
PHP
77 lines
2.8 KiB
PHP
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<?php
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//
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// ZoneMinder web frame view file, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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if ( !canView( 'Events' ) )
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{
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$view = "error";
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return;
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}
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$eid = validInt($_REQUEST['eid']);
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if ( !empty($_REQUEST['fid']) )
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$fid = validInt($_REQUEST['fid']);
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$sql = 'SELECT E.*,M.Name AS MonitorName,M.DefaultScale,M.VideoWriter,M.Orientation FROM Events AS E INNER JOIN Monitors AS M ON E.MonitorId = M.Id WHERE E.Id = ?';
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$event = dbFetchOne( $sql, NULL, array($eid) );
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if ( !empty($fid) ) {
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$sql = 'SELECT * FROM Frames WHERE EventId = ? AND FrameId = ?';
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if ( !($frame = dbFetchOne( $sql, NULL, array($eid, $fid) )) )
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$frame = array( 'FrameId'=>$fid, 'Type'=>'Normal', 'Score'=>0 );
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} else {
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$frame = dbFetchOne( 'SELECT * FROM Frames WHERE EventId = ? AND Score = ?', NULL, array( $eid, $event['MaxScore'] ) );
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}
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$maxFid = $event['Frames'];
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$firstFid = 1;
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$prevFid = $frame['FrameId']-1;
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$nextFid = $frame['FrameId']+1;
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$lastFid = $maxFid;
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$alarmFrame = $frame['Type']=='Alarm';
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if ( isset( $_REQUEST['scale'] ) )
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$scale = validInt($_REQUEST['scale']);
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else
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$scale = max( reScale( SCALE_BASE, $event['DefaultScale'], ZM_WEB_DEFAULT_SCALE ), SCALE_BASE );
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$Transpose = '';
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if ( $event['VideoWriter'] == "2" ) {
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$Rotation = $event['Orientation'];
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// rotate right
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if ( in_array($event['Orientation'],array("90")))
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$Transpose = 'transpose=1,';
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// rotate 180 // upside down cam
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if ( in_array($event['Orientation'],array("180")))
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$Transpose = 'transpose=2,transpose=2,';
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// rotate left
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if ( in_array($event['Orientation'],array("270")))
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$Transpose = 'transpose=2,';
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}
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$focusWindow = true;
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$Scale = 100/$scale;
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$fid = $fid - 1;
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#$command = 'ffmpeg -v 0 -i '.getEventDefaultVideoPath($event).' -vf "select=gte(selected_n\,'.$fid.'),setpts=PTS-STARTPTS" '.$Transpose.',scale=iw/'.$Scale.':-1" -frames:v 1 -f mjpeg -';
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$command = 'ffmpeg -v 0 -i '.getEventDefaultVideoPath($event).' -vf "select=gte(n\\,'.$fid.'),setpts=PTS-STARTPTS,'.$Transpose.'scale=iw/'.$Scale.':-1" -f image2 -';
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header('Content-Type: image/jpeg');
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system($command);
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?>
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