210 lines
7.2 KiB
PHP
210 lines
7.2 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' ) ) {
|
|
$view = 'error';
|
|
return;
|
|
}
|
|
require_once('includes/Event.php');
|
|
require_once('includes/Frame.php');
|
|
|
|
// Compatibility for PHP 5.4
|
|
if (!function_exists('imagescale')) {
|
|
function imagescale($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;
|
|
$Event = null;
|
|
|
|
if ( empty($_REQUEST['path']) ) {
|
|
if ( ! empty($_REQUEST['fid']) ) {
|
|
$show = empty($_REQUEST['show']) ? 'capture' : $_REQUEST['show'];
|
|
|
|
if ( ! empty($_REQUEST['eid'] ) ) {
|
|
$Event = new Event( $_REQUEST['eid'] );
|
|
$Frame = Frame::find_one( array( 'EventId' => $_REQUEST['eid'], 'FrameId' => $_REQUEST['fid'] ) );
|
|
if ( ! $Frame ) {
|
|
Fatal("No Frame found for event(".$_REQUEST['eid'].") and frame id(".$_REQUEST['fid'].")");
|
|
}
|
|
} 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 = new Frame( $_REQUEST['fid'] );
|
|
$Event = new Event( $Frame->EventId() );
|
|
}
|
|
$path = $Event->Path().'/'.sprintf('%0'.ZM_EVENT_IMAGE_DIGITS.'d',$Frame->FrameId()).'-'.$show.'.jpg';
|
|
|
|
} else {
|
|
$errorText = 'No image path';
|
|
}
|
|
|
|
if ( ! file_exists( $path ) ) {
|
|
Debug( "$path does not exist");
|
|
# Generate the frame JPG
|
|
if ( $show == 'capture' and $Event->DefaultVideo() ) {
|
|
$command ='ffmpeg -i '.$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;
|
|
Debug( "Running $command" );
|
|
$output = array();
|
|
$retval = 0;
|
|
exec( $command, $output, $retval );
|
|
Debug("Retval: $retval, output: " . implode("\n", $output));
|
|
if ( ! file_exists( $path ) ) {
|
|
header("HTTP/1.0 404 Not Found");
|
|
Fatal("Can't create frame images from video for this event (".$Event->DefaultVideo() );
|
|
}
|
|
} else {
|
|
header("HTTP/1.0 404 Not Found");
|
|
Fatal("Can't create frame images from video becuase there is no video file for this event (".$Event->DefaultVideo() );
|
|
}
|
|
}
|
|
|
|
} else {
|
|
$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');
|
|
Fatal("Image not found at $path");
|
|
}
|
|
}
|
|
|
|
$scale=0;
|
|
if( !empty($_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;
|
|
}
|
|
}
|
|
|
|
header( 'Content-type: image/jpeg' );
|
|
|
|
# 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 . '"');
|
|
}
|
|
ob_clean();
|
|
flush();
|
|
|
|
if ( $errorText ) {
|
|
Error( $errorText );
|
|
} else {
|
|
if ( ( $scale==0 || $scale==100 ) && $width==0 && $height==0 ) {
|
|
if ( ! readfile( $path ) ) {
|
|
Error("No bytes read from ". $path );
|
|
}
|
|
} else {
|
|
Debug("Doing a scaled image: scale($scale) width($width) height($height)");
|
|
$i = 0;
|
|
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;
|
|
}
|
|
if ( $width == $oldWidth && $height == $oldHeight) {
|
|
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 ( ! file_exists( $scaled_path ) or ! readfile( $scaled_path ) ) {
|
|
Debug( "Cached scaled image does not exist at $scaled_path or is no good.. Creating it");
|
|
ob_start();
|
|
if ( ! $i )
|
|
$i = imagecreatefromjpeg( $path );
|
|
$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 );
|
|
ob_end_clean();
|
|
echo $scaled_jpeg_data;
|
|
}
|
|
}
|
|
}
|