source: extensions/piwigo_videojs/main.inc.php @ 32537

<?php
/*
Plugin Name: VideoJS
Version: 1.0.1
Description: videojs integration for piwigo
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=610
Author: xbmgsharp
Author URI: https://github.com/xbgmsharp/piwigo-videojs
*/

// Chech whether we are indeed included by Piwigo.
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

// Define the path to our plugin.
define('VIDEOJS_PATH', PHPWG_PLUGINS_PATH . basename(dirname(__FILE__)).'/');

global $conf;

// Prepare configuration
$conf['vjs_conf'] = unserialize($conf['vjs_conf']);

// Register the allowed extentions to the global conf in order
// to sync them with other contents
$vjs_extensions = array(
    'ogg',
    'mp4',
    'm4v',
    'ogv',
    'webm',
    'webmv',
);
$conf['file_ext'] = array_merge ($conf['file_ext'], $vjs_extensions, array_map('strtoupper', $vjs_extensions) );

// Hook on to an event to display videos as standard images
add_event_handler('render_element_content', 'vjs_render_media', 40, 2);

// Hook to display a fallback thumbnail if not defined
add_event_handler('get_mimetype_location', 'vjs_get_mimetype_icon', 60, 2);

// Hook to change the picture data to template
//add_event_handler('picture_pictures_data', 'vjs_pictures_data');

// Hook to sync geotag metadata on upload or sync
//add_event_handler('format_exif_data', 'vjs_format_exif_data', EVENT_HANDLER_PRIORITY_NEUTRAL, 3);

// If admin do the init
if (defined('IN_ADMIN')) {
        include_once(VIDEOJS_PATH.'/admin/admin_boot.php');
}

function vjs_format_exif_data($exif, $file, $map)
{

}

function vjs_render_media($content, $picture)
{
        global $template, $picture, $page, $conf, $user, $refresh;
        //print_r( $picture['current']);
        // do nothing if the current picture is actually an image !
        if ( (array_key_exists('src_image', @$picture['current'])
                && @$picture['current']['src_image']->is_original()) )
        {
                return $content;
        }

        // In case, the we handle a large video, we define a MAX_WIDTH
        // variable to limit the display size.
        if (isset($user['maxwidth']) and $user['maxwidth']!='')
        {
                $MAX_WIDTH = $user['maxwidth'];
        }
        else
        {
                $MAX_WIDTH = isset($conf['vjs_conf']['max_width']) ? $conf['vjs_conf']['max_width'] : '720';
        }
        //print "$MAX_WIDTH=" . $MAX_WIDTH;
        //print_r($user);

        // Avoid Conflict with other plugin using getID3
        if( !class_exists('getID3')){
                // Get video infos with getID3 lib
                require_once(dirname(__FILE__) . '/include/getid3/getid3.php');
        }
        $getID3 = new getID3;
        $fileinfo = $getID3->analyze($picture['current']['path']);
        //print "getID3\n";
        //print_r($fileinfo);

        $extension = strtolower(get_extension($picture['current']['path']));
        if ($extension == "m4v")
        {
                $extension = "mp4";
        }
        else if ($extension == "webmv")
        {
                $extension = "webm4";
        }
        else if ($extension == "ogv")
        {
                $extension = "ogg";
        }
        //print "extension\n";
        //print_r($extension);

        if(isset($fileinfo['video']))
        {
                // -- video file --
                // guess resolution
                if (isset($fileinfo['video']['resolution_x']) )
                {
                        $width = $fileinfo['video']['resolution_x'];
                }
                if (isset($fileinfo['video']['resolution_y']) )
                {
                        $height = $fileinfo['video']['resolution_y'];
                }
                if ( !isset($width) || !isset($height))
                {
                        // If guess was unsuccessful, fallback to default 16/9 resolution
                        // This is the case for ogv video for example.
                        $width = $MAX_WIDTH;
                        $height = intval( 9 * ($width / 16 ));
                }
        }
        else // Not a supported video format or an image
        {
                return $content;
        }

        // Resize if video is too large
        if ( $width > $MAX_WIDTH )
        {
                //$height = intval($height * ($MAX_WIDTH / $width));
                //$width  = $MAX_WIDTH;
                $height = intval($height / 2);
                $width = intval($width / 2);
        }

        // Slideshow : The video needs to be launch automatically in
        // slideshow mode. The refresh of the page is set to the
        // duration of the video.
        $autoplay = isset($conf['vjs_conf']['autoplay']) ? strbool($conf['vjs_conf']['autoplay']) : 'false';
        if ( $page['slideshow'] )
        {
                $refresh = $fileinfo['playtime_seconds'];
                $autoplay = 'true';
        }

        // Load parameter, fallback to default if unset
        $skin = isset($conf['vjs_conf']['skin']) ? $conf['vjs_conf']['skin'] : 'vjs-default-skin';
        $customcss = isset($conf['vjs_customcss']) ? $conf['vjs_customcss'] : '';
        $preload = isset($conf['vjs_conf']['preload']) ? $conf['vjs_conf']['preload'] : 'none';
        $loop = isset($conf['vjs_conf']['loop']) ? strbool($conf['vjs_conf']['loop']) : 'false';
        $controls = isset($conf['vjs_conf']['controls']) ? strbool($conf['vjs_conf']['controls']) : 'false';

        // Assing the CSS file according to the skin
        $skincss = "";
        if ($skin == 'vjs-default-skin')
        {
                $skincss = "video-js.min.css";
        } else if ($skin == 'vjs-darkfunk-skin')
        {
                $skincss = "darkfunk-skin.css";
        } else if ($skin == 'vjs-redsheen-skin')
        {
                $skincss = "redsheen-skin.css";
        }

        // Select the template
        $template->set_filenames(
                array('vjs_content' => dirname(__FILE__)."/template/vjs-player.tpl")
        );

        // Try to guess the poster extension
        $parts = pathinfo($picture['current']['element_url']);
        $poster = getposterfile (Array(
                $fileinfo['filepath']."/".$parts['filename'].".png" =>
                        get_gallery_home_url() . $parts['dirname'] . "/".$parts['filename'].".png",
                $fileinfo['filepath']."/".$parts['filename'].".jpg" =>
                        get_gallery_home_url() . $parts['dirname'] . "/".$parts['filename'].".jpg",
                $fileinfo['filepath']."/thumbnail/TN-".$parts['filename'].".jpg" =>
                        get_gallery_home_url() . $parts['dirname'] . "/thumbnail/TN-".$parts['filename'].".jpg",
                $fileinfo['filepath']."/thumbnail/TN-".$parts['filename'].".png" =>
                        get_gallery_home_url() . $parts['dirname'] . "/thumbnail/TN-".$parts['filename'].".png",
                $fileinfo['filepath']."/pwg_representative/".$parts['filename'].".jpg" =>
                        get_gallery_home_url() . $parts['dirname'] . "/pwg_representative/".$parts['filename'].".jpg",
                $fileinfo['filepath']."/pwg_representative/".$parts['filename'].".png" =>
                        get_gallery_home_url() . $parts['dirname'] . "/pwg_representative/".$parts['filename'].".png",
        ));
        //print $poster;

        // Genrate HTML5 tags
        // Why the data-setup attribute does not work if only one video
        $options = "";
        if ($controls == "true")
        {
                $options .= "controls";
        }
        if ($autoplay == "true")
        {
                $options .= " autoplay ";
        }
        if ($loop == "true")
        {
                $options .= " loop ";
        }
        $options .= ' preload="'. $preload .'"';

        // Assign the template variables
        // We use here the piwigo's get_gallery_home_url function to build
        // the full URL as suggested by videojs for flash fallback compatibility
        $template->assign(
                array(
                        'VIDEOJS_MEDIA_URL'     => embellish_url(get_gallery_home_url() . $picture['current']['element_url']),
                        'VIDEOJS_POSTER_URL'    => $poster,
                        'VIDEOJS_PATH'          => VIDEOJS_PATH,
                        'VIDEOJS_FULLPATH'      => realpath(dirname(__FILE__)),
                        'WIDTH'                 => $width,
                        'HEIGHT'                => $height,
                        'TYPE'                  => $extension,
                        'OPTIONS'               => $options,
                        'VIDEOJS_SKIN'          => $skin,
                        'VIDEOJS_SKINCSS'       => $skincss,
                        'VIDEOJS_CUSTOMCSS'     => $customcss,
                )
        );

        // Return the rendered html
        $vjs_content = $template->parse('vjs_content', true);
        return $vjs_content;
}

function vjs_get_mimetype_icon ($location, $element_info)
{
        $location= 'plugins/'
                . basename(dirname(__FILE__))
                . '/mimetypes/' . $element_info . '.png';
        return $location;
}

function strbool($value)
{
        return $value ? 'true' : 'false';
}

function getposterfile($file_list)
{
        foreach ($file_list as $file=>$url) {
                //print $file."=>".$url."<br/>\n";
                if (file_exists($file)) return $url;
        }
        return '';
}

function vjs_dbSet($fields, $data = array())
{
    if (!$data) $data = &$_POST;
    $set='';
    foreach ($fields as $field)
    {
        if (isset($data[$field]))
        {
            $set.="`$field`='".pwg_db_real_escape_string($data[$field])."', ";
        }
    }
    return substr($set, 0, -2);
}

?>