427 lines
17 KiB
PHP
427 lines
17 KiB
PHP
<?php
|
|
//
|
|
// ZoneMinder web image view file, $Date: 2008-09-29 14:15:13 +0100 (Mon, 29 Sep 2008) $, $Revision: 2640 $
|
|
// Copyright (C) 2001-2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
//
|
|
|
|
// Calling sequence: ... /zm/index.php?view=image&path=/monid/path/image.jpg&scale=nnn&width=wwww&height=hhhhh
|
|
//
|
|
// Path is physical path to the image starting at the monitor id
|
|
//
|
|
// Scale is optional and between 1 and 400 (percent),
|
|
// Omitted or 100 = no scaling done, image passed through directly
|
|
// Scaling will increase response time slightly
|
|
//
|
|
// width and height are each optional, ideally supply both, but if only one is supplied the other is calculated
|
|
// These are in pixels
|
|
//
|
|
// If both scale and either width or height are specified, scale is ignored
|
|
//
|
|
|
|
if ( !canView('Events') and ($_REQUEST['fid'] != 'snapshot' or !canView('Snapshots'))) {
|
|
$view = 'error';
|
|
return;
|
|
}
|
|
require_once('includes/Event.php');
|
|
require_once('includes/Frame.php');
|
|
|
|
// Compatibility for PHP 5.4
|
|
if ( !function_exists('imagescale') ) {
|
|
function imagescale($image, $new_width, $new_height = -1, $mode = 0) {
|
|
$mode; // Not supported
|
|
|
|
$new_height = ($new_height == -1) ? imagesy($image) : $new_height;
|
|
$imageNew = imagecreatetruecolor($new_width, $new_height);
|
|
imagecopyresampled($imageNew, $image, 0, 0, 0, 0, (int)$new_width, (int)$new_height, imagesx($image), imagesy($image));
|
|
|
|
return $imageNew;
|
|
}
|
|
}
|
|
|
|
$errorText = false;
|
|
$filename = '';
|
|
$Frame = null;
|
|
$Event = null;
|
|
$path = null;
|
|
$media_type='image/jpeg';
|
|
|
|
if ( empty($_REQUEST['path']) ) {
|
|
|
|
$show = empty($_REQUEST['show']) ? 'capture' : $_REQUEST['show'];
|
|
|
|
if ( empty($_REQUEST['fid']) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('No Frame ID specified');
|
|
return;
|
|
}
|
|
|
|
if ( !empty($_REQUEST['eid']) ) {
|
|
$Event = ZM\Event::find_one(array('Id'=>$_REQUEST['eid']));
|
|
if ( !$Event ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('Event '.$_REQUEST['eid'].' Not found');
|
|
return;
|
|
}
|
|
|
|
if ( $_REQUEST['fid'] == 'objdetect' ) {
|
|
// if animation file is found, return that, else return image
|
|
// we are only looking for GIF or jpg here, not mp4
|
|
// as most often, browsers asking for this link will be expecting
|
|
// media types that can be rendered as <img src=>
|
|
$path_anim_gif = $Event->Path().'/objdetect.gif';
|
|
$path_image = $Event->Path().'/objdetect.jpg';
|
|
if (file_exists($path_anim_gif)) {
|
|
// we found the animation gif file
|
|
$media_type = 'image/gif';
|
|
ZM\Debug("Animation file found at $path");
|
|
$path = $path_anim_gif;
|
|
} else if (file_exists($path_image)) {
|
|
// animation not found, but image found
|
|
ZM\Debug("Image file found at $path");
|
|
$path = $path_image;
|
|
} else {
|
|
// neither animation nor image found
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("Object detection animation and image not found for this event");
|
|
}
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Id('objdetect');
|
|
} else if ( $_REQUEST['fid'] == 'objdetect_mp4' ) {
|
|
$path = $Event->Path().'/objdetect.mp4';
|
|
if ( !file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("File $path does not exist. You might not have enabled create_animation in objectconfig.ini. If you have, inspect debug logs for errors during creation");
|
|
}
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Id('objdetect');
|
|
$media_type = 'video/mp4';
|
|
} else if ( $_REQUEST['fid'] == 'objdetect_gif' ) {
|
|
$path = $Event->Path().'/objdetect.gif';
|
|
if ( !file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("File $path does not exist. You might not have enabled create_animation in objectconfig.ini. If you have, inspect debug logs for errors during creation");
|
|
}
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Id('objdetect');
|
|
$media_type = 'image/gif';
|
|
} else if ( $_REQUEST['fid'] == 'objdetect_jpg' ) {
|
|
$path = $Event->Path().'/objdetect.jpg';
|
|
if ( !file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("File $path does not exist. Please make sure store_frame_in_zm is enabled in the object detection config");
|
|
}
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Id('objdetect');
|
|
} else if ( $_REQUEST['fid'] == 'alarm' ) {
|
|
$path = $Event->Path().'/alarm.jpg';
|
|
if ( !file_exists($path) ) {
|
|
# legacy support
|
|
# look for first alarmed frame
|
|
$Frame = ZM\Frame::find_one(
|
|
array('EventId'=>$_REQUEST['eid'], 'Type'=>'Alarm'),
|
|
array('order'=>'FrameId ASC'));
|
|
if ( !$Frame ) { # no alarms, get first one I find
|
|
$Frame = ZM\Frame::find_one(array('EventId'=>$_REQUEST['eid']));
|
|
if ( !$Frame ) {
|
|
ZM\Warning('No frame found for event '.$_REQUEST['eid']);
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Delta(1);
|
|
$Frame->FrameId(1);
|
|
}
|
|
}
|
|
$Monitor = $Event->Monitor();
|
|
if ( $Event->SaveJPEGs() & 1 ) {
|
|
# If we store Frames as jpgs, then we don't store an alarmed snapshot
|
|
$path = $Event->Path().'/'.sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d', $Frame->FrameId()).'-'.$show.'.jpg';
|
|
} else {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('No alarm jpg found for event '.$_REQUEST['eid']);
|
|
return;
|
|
}
|
|
} else {
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Delta(1);
|
|
$Frame->FrameId('alarm');
|
|
} # alarm.jpg found
|
|
} else if ( $_REQUEST['fid'] == 'snapshot' ) {
|
|
$path = $Event->Path().'/snapshot.jpg';
|
|
if ( !file_exists($path) ) {
|
|
$Frame = ZM\Frame::find_one(array('EventId'=>$_REQUEST['eid'], 'Score'=>$Event->MaxScore()));
|
|
if ( !$Frame )
|
|
$Frame = ZM\Frame::find_one(array('EventId'=>$_REQUEST['eid']));
|
|
if ( !$Frame ) {
|
|
ZM\Warning('No frame found for event ' . $_REQUEST['eid']);
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Delta(1);
|
|
if ( $Event->SaveJPEGs() & 1 ) {
|
|
$Frame->FrameId(0);
|
|
} else {
|
|
$Frame->FrameId('snapshot');
|
|
}
|
|
}
|
|
$Monitor = $Event->Monitor();
|
|
if ( $Event->SaveJPEGs() & 1 ) {
|
|
# If we store Frames as jpgs, then we don't store a snapshot
|
|
$path = $Event->Path().'/'.sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d', $Frame->FrameId()).'-'.$show.'.jpg';
|
|
} else {
|
|
if ( $Event->DefaultVideo() ) {
|
|
$command = ZM_PATH_FFMPEG.' -ss '. $Frame->Delta() .' -i '.$Event->Path().'/'.$Event->DefaultVideo().' -frames:v 1 '.$path . ' 2>&1';
|
|
#$command ='ffmpeg -ss '. $Frame->Delta() .' -i '.$Event->Path().'/'.$Event->DefaultVideo().' -vf "select=gte(n\\,'.$Frame->FrameId().'),setpts=PTS-STARTPTS" '.$path;
|
|
#$command ='ffmpeg -v 0 -i '.$Storage->Path().'/'.$Event->Path().'/'.$Event->DefaultVideo().' -vf "select=gte(n\\,'.$Frame->FrameId().'),setpts=PTS-STARTPTS" '.$path;
|
|
ZM\Debug("Running $command");
|
|
$output = array();
|
|
$retval = 0;
|
|
exec($command, $output, $retval);
|
|
ZM\Debug("Command: $command, retval: $retval, output: " . implode("\n", $output));
|
|
if ( ! file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('Can\'t create frame images from video for this event '.$Event->DefaultVideo().'
|
|
|
|
Command was: '.$command.'
|
|
|
|
Output was: '.implode(PHP_EOL,$output) );
|
|
}
|
|
# Generating an image file will use up more disk space, so update the Event record.
|
|
if ( $Event->EndDateTime() ) {
|
|
$Event->DiskSpace(null);
|
|
$Event->save();
|
|
}
|
|
} else {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('No snapshot jpg found for event '.$_REQUEST['eid']);
|
|
return;
|
|
}
|
|
} # end if stored jpgs
|
|
} else {
|
|
$Frame = new ZM\Frame();
|
|
$Frame->Delta(1);
|
|
$Frame->FrameId('snapshot');
|
|
} # end if found snapshot.jpg
|
|
} else {
|
|
$Frame = ZM\Frame::find_one(array('EventId'=>$_REQUEST['eid'], 'FrameId'=>$_REQUEST['fid']));
|
|
if (!$Frame) {
|
|
$previousBulkFrame = dbFetchOne(
|
|
'SELECT * FROM Frames WHERE EventId=? AND FrameId < ? ORDER BY FrameID DESC LIMIT 1',
|
|
NULL, array($_REQUEST['eid'], $_REQUEST['fid'])
|
|
);
|
|
$nextBulkFrame = dbFetchOne(
|
|
'SELECT * FROM Frames WHERE EventId=? AND FrameId > ? ORDER BY FrameID ASC LIMIT 1',
|
|
NULL, array($_REQUEST['eid'], $_REQUEST['fid'])
|
|
);
|
|
if ($previousBulkFrame and $nextBulkFrame) {
|
|
$Frame = new ZM\Frame($previousBulkFrame);
|
|
$Frame->FrameId($_REQUEST['fid']);
|
|
|
|
$percentage = ($Frame->FrameId() - $previousBulkFrame['FrameId']) / ($nextBulkFrame['FrameId'] - $previousBulkFrame['FrameId']);
|
|
|
|
$Frame->Delta($previousBulkFrame['Delta'] + floor( 100* ( $nextBulkFrame['Delta'] - $previousBulkFrame['Delta'] ) * $percentage )/100);
|
|
ZM\Debug('Got virtual frame from Bulk Frames previous delta: ' . $previousBulkFrame['Delta'] . ' + nextdelta:' . $nextBulkFrame['Delta'] . ' - ' . $previousBulkFrame['Delta'] . ' * ' . $percentage );
|
|
} else {
|
|
ZM\Fatal('No Frame found for event('.$_REQUEST['eid'].') and frame id('.$_REQUEST['fid'].')');
|
|
}
|
|
} # end if !Frame
|
|
// Frame can be non-existent. We have Bulk frames. So now we should try to load the bulk frame
|
|
$path = $Event->Path().'/'.sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d',$Frame->FrameId()).'-'.$show.'.jpg';
|
|
ZM\Debug("Path: $path");
|
|
} # if special frame (snapshot, alarm etc) or identified by id
|
|
|
|
} else {
|
|
# If we are only specifying fid, then the fid must be the primary key into the frames table. But when the event is specified, then it is the frame #
|
|
$Frame = ZM\Frame::find_one(array('Id'=>$_REQUEST['fid']));
|
|
if ( !$Frame ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('Frame ' . $_REQUEST['fid'] . ' Not Found');
|
|
return;
|
|
}
|
|
|
|
$Event = ZM\Event::find_one(array('Id'=>$Frame->EventId()));
|
|
if ( !$Event ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('Event ' . $Frame->EventId() . ' Not Found');
|
|
return;
|
|
}
|
|
$path = $Event->Path().'/'.sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d',$Frame->FrameId()).'-'.$show.'.jpg';
|
|
} # end if have eid
|
|
|
|
if ( !file_exists($path) ) {
|
|
ZM\Debug("$path does not exist");
|
|
# Generate the frame JPG
|
|
if ( ($show == 'capture') and $Event->DefaultVideo() ) {
|
|
if ( !file_exists($Event->Path().'/'.$Event->DefaultVideo()) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("Can't create frame images from video because there is no video file for this event at (".$Event->Path().'/'.$Event->DefaultVideo() );
|
|
}
|
|
$command = ZM_PATH_FFMPEG.' -ss '. $Frame->Delta() .' -i '.$Event->Path().'/'.$Event->DefaultVideo().' -frames:v 1 '.$path . ' 2>&1';
|
|
#$command ='ffmpeg -ss '. $Frame->Delta() .' -i '.$Event->Path().'/'.$Event->DefaultVideo().' -vf "select=gte(n\\,'.$Frame->FrameId().'),setpts=PTS-STARTPTS" '.$path;
|
|
#$command ='ffmpeg -v 0 -i '.$Storage->Path().'/'.$Event->Path().'/'.$Event->DefaultVideo().' -vf "select=gte(n\\,'.$Frame->FrameId().'),setpts=PTS-STARTPTS" '.$path;
|
|
ZM\Debug("Running $command");
|
|
$output = array();
|
|
$retval = 0;
|
|
exec($command, $output, $retval);
|
|
ZM\Debug("Command: $command, retval: $retval, output: " . implode("\n", $output));
|
|
if ( ! file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal('Can\'t create frame images from video for this event '.$Event->DefaultVideo().'
|
|
|
|
Command was: '.$command.'
|
|
|
|
Output was: '.implode(PHP_EOL,$output) );
|
|
}
|
|
# Generating an image file will use up more disk space, so update the Event record.
|
|
if ( $Event->EndDateTime() ) {
|
|
$Event->DiskSpace(null);
|
|
$Event->save();
|
|
}
|
|
} else {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("Can't create frame $show images from video because there is no video file for this event at ".
|
|
$Event->Path().'/'.$Event->DefaultVideo() );
|
|
}
|
|
} # end if ! file_exists($path)
|
|
|
|
} else {
|
|
ZM\Warning('Loading images by path is deprecated');
|
|
$dir_events = realpath(ZM_DIR_EVENTS);
|
|
$path = realpath($dir_events . '/' . $_REQUEST['path']);
|
|
$pos = strpos($path, $dir_events);
|
|
|
|
if ( $pos == 0 && $pos !== false ) {
|
|
if ( ! empty($user['MonitorIds']) ) {
|
|
$imageOk = false;
|
|
$pathMonId = substr($path, 0, strspn($path, '1234567890'));
|
|
foreach ( preg_split('/["\'\s]*,["\'\s]*/', $user['MonitorIds']) as $monId ) {
|
|
if ( $pathMonId == $monId ) {
|
|
$imageOk = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( !$imageOk )
|
|
$errorText = 'No image permissions';
|
|
}
|
|
} else {
|
|
$errorText = 'Invalid image path';
|
|
}
|
|
if ( !file_exists($path) ) {
|
|
header('HTTP/1.0 404 Not Found');
|
|
ZM\Fatal("Image not found at $path");
|
|
}
|
|
}
|
|
|
|
# we now load the actual image to send
|
|
$scale = 0;
|
|
if ( !empty($_REQUEST['scale']) ) {
|
|
if ( is_numeric($_REQUEST['scale']) ) {
|
|
$x = $_REQUEST['scale'];
|
|
if ( $x >= 1 and $x <= 400 )
|
|
$scale = $x;
|
|
}
|
|
}
|
|
|
|
$width = 0;
|
|
if ( !empty($_REQUEST['width']) ) {
|
|
if ( is_numeric($_REQUEST['width']) ) {
|
|
$x = $_REQUEST['width'];
|
|
if ( $x >= 10 and $x <= 8000 )
|
|
$width = $x;
|
|
}
|
|
}
|
|
|
|
$height = 0;
|
|
if ( !empty($_REQUEST['height']) ) {
|
|
if ( is_numeric($_REQUEST['height']) ) {
|
|
$x = $_REQUEST['height'];
|
|
if ( $x >= 10 and $x <= 8000 )
|
|
$height = $x;
|
|
}
|
|
}
|
|
|
|
if ( $errorText ) {
|
|
ZM\Error($errorText);
|
|
} else {
|
|
header('Content-type: '.$media_type);
|
|
if ( ( $scale==0 || $scale==100 ) && ($width==0) && ($height==0) ) {
|
|
# This is so that Save Image As give a useful filename
|
|
if ( $Event ) {
|
|
$filename = $Event->MonitorId().'_'.$Event->Id().'_'.$Frame->FrameId().'.jpg';
|
|
header('Content-Disposition: inline; filename="' . $filename . '"');
|
|
}
|
|
if ( !readfile($path) ) {
|
|
ZM\Error('No bytes read from '. $path);
|
|
}
|
|
} else {
|
|
ZM\Debug("Doing a scaled image: scale($scale) width($width) height($height)");
|
|
$i = null;
|
|
if ( ! ( $width && $height ) ) {
|
|
$i = imagecreatefromjpeg($path);
|
|
$oldWidth = imagesx($i);
|
|
$oldHeight = imagesy($i);
|
|
if ( $width == 0 && $height == 0 ) { // scale has to be set to get here with both zero
|
|
$width = $oldWidth * $scale / 100.0;
|
|
$height= $oldHeight * $scale / 100.0;
|
|
} elseif ( $width == 0 && $height != 0 ) {
|
|
$width = ($height * $oldWidth) / $oldHeight;
|
|
} elseif ( $width != 0 && $height == 0 ) {
|
|
$height = ($width * $oldHeight) / $oldWidth;
|
|
ZM\Debug("Figuring out height using width: $height = ($width * $oldHeight) / $oldWidth");
|
|
}
|
|
if ( $width == $oldWidth && $height == $oldHeight ) {
|
|
ZM\Warning('No change to width despite scaling.');
|
|
}
|
|
}
|
|
|
|
# Slight optimisation, thumbnails always specify width and height, so we can cache them.
|
|
$scaled_path = preg_replace('/\.jpg$/', "-${width}x${height}.jpg", $path);
|
|
if ($Event) {
|
|
$filename = $Event->MonitorId().'_'.$Event->Id().'_'.$Frame->FrameId()."-${width}x${height}.jpg";
|
|
header('Content-Disposition: inline; filename="' . $filename . '"');
|
|
}
|
|
if ( !( file_exists($scaled_path) and readfile($scaled_path) ) ) {
|
|
ZM\Debug("Cached scaled image does not exist at $scaled_path or is no good.. Creating it");
|
|
if (!$i)
|
|
$i = imagecreatefromjpeg($path);
|
|
if ( !$i) {
|
|
ZM\Error('Unable to load jpeg from '.$scaled_path);
|
|
$i = imagecreatetruecolor($width, $height);
|
|
$bg_colour = imagecolorallocate($i, 255, 255, 255);
|
|
$fg_colour = imagecolorallocate($i, 0, 0, 0);
|
|
imagefilledrectangle($im, 0, 0, $width, $height, $bg_colour);
|
|
imagestring($i, 1, 5, 5, 'Unable to load jpeg from ' . $scaled_path, $fg_colour);
|
|
imagejpeg($i);
|
|
} else {
|
|
ZM\Debug("Have image scaling to $width x $height");
|
|
ob_start();
|
|
$iScale = imagescale($i, $width, $height);
|
|
imagejpeg($iScale);
|
|
imagedestroy($i);
|
|
imagedestroy($iScale);
|
|
$scaled_jpeg_data = ob_get_contents();
|
|
file_put_contents($scaled_path, $scaled_jpeg_data);
|
|
echo $scaled_jpeg_data;
|
|
}
|
|
} else {
|
|
ZM\Debug("Sending $scaled_path");
|
|
$bytes = readfile($scaled_path);
|
|
if ( !$bytes ) {
|
|
ZM\Error('No bytes read from '. $scaled_path);
|
|
} else {
|
|
ZM\Debug("$bytes sent");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
exit();
|