<?php
// (c) 2009 Michael A. Peters - all rights reserved
class embedMedia {
   // default dimensions are what I like for mp3 playback.
   public $width='384';
   public $height='24';
   public $cbarheight='24';
   public $autoplay = false;
   public $autobuffer = false;
   public $controls = true;
   public $type = 'audio';
   public $poster = '';
   public $fullscreen = false;
   // change these to your environment (extend class)
   public $fplayer  = '/swf/flowplayer-3.1.5.swf';
   public $faplayer = '/swf/flowplayer.audio-3.1.2.swf';
   // leave if you don't have commercial
   public $fpkey    = '';
   // path for download wrapper
   public $dnlWrap  = '';
   // trigger windows media
   public $wmpClassID = 'clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6';
   // style sheet hook
   public $h5class = '';
   public $fpclass = '';
   public $wmclass = '';
   public $fbclass = '';

   public function embedMedia($dom,$id,$mpg,$ogg="",$wma="") {
      $this->dom = $dom;
      $this->id  = $id;
      $this->mpg = $mpg;
      $this->ogg = $ogg;
      $this->wma = $wma;
      }
      
   public function html5() {
      $fallback = $this->hyperLink();
      $html     = $this->html5media();
      $flash    = $this->flowPlay();
      $flash->appendChild($fallback);
      $html->appendChild($flash);
      return($html);
      }
      
   public function flow() {
      $fallback = $this->hyperLink();
      $html     = $this->html5media();
      $flash    = $this->flowPlay();
      $html->appendChild($fallback);
      $flash->appendChild($html);
      return($flash);
      }
      
   public function auto() {
      if (strlen($this->ogg) > 0) {
         $return = $this->html5();
         } else {
         $return = $this->flow();
         }
      return($return);
      }
      
   public function windowsMedia() {
      // not tested - this is here in case your boss demands
      //  Windows Media Player be used as default media player.
      // Hopefully it works "as is" but no promises. Patches welcome
      //  if it be baroque.
      $startNOIE = $this->dom->createComment('[if !IE]>');
      $endNOIE = $this->dom->createComment('<![endif]');
      if (strlen($this->wma) > 0) {
         $wmFile = $this->wma;
         } else {
         $wmFile = $this->mpg;
         }
      $wmp = $this->dom->createElement('object');
      $wmp->setAttribute('id','wmp_' . $this->id);
      $wmp->setAttribute('width',$this->width);
      $wmp->setAttribute('height',$this->height);
      $wmp->setAttribute('classid',$this->wmpClassID);
      $wmp->setAttribute('type','application/x-oleobject');
      if (strlen($this->wmclass) > 0) {
         $wmp->setAttribute('class',$this->wmclass);
         }
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','FileName');
      $param->setAttribute('value',$wmFile);
      $wmp->appendChild($param);
         
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','ShowControls');
      $saram = $this->dom->createElement('param');
      $saram->setAttribute('name','ShowStatusBar');
      if ($this->controls) {
         $param->setAttribute('value','true');
         $saram->setAttribute('value','true');
         } else {
         $param->setAttribute('value','false');
         $saram->setAttribute('value','false');
         }
      $wmp->appendChild($param);
      $wmp->appendChild($saram);
         
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','AutoStart');
      if ($this->autoplay) {
         $param->setAttribute('value','true');
         } else {
         $param->setAttribute('value','false');
         }
      $wmp->appendChild($param);
      $wmp->appendChild($startNOIE);
      $nonIE = $this->auto();
      $wmp->appendChild($nonIE);
      $wmp->appendChild($endNOIE);
      return($wmp);
      }

   private function html5media() {
      if (strcmp($this->type,'video') == 0) {
         $mimeMPG = 'video/mp4';
         $mimeOGG = 'video/ogg';
         $mimeWMA = 'video/x-ms-wmv';
         } else {
         $mimeMPG = 'audio/mpeg';
         $mimeOGG = 'audio/ogg';
         $mimeWMA = 'audio/x-ms-wma';
         }
      $media = $this->dom->createElement($this->type);
      $media->setAttribute('id','h5_' . $this->id);
      if ($this->controls) {
         $media->setAttribute('controls','controls');
         }
      if ($this->autoplay) {
         $media->setAttribute('autoplay','autoplay');
         }
      if ($this->autobuffer) {
         $media->setAttribute('autobuffer','autobuffer');
         }
      if (strcmp($this->type,'video') == 0) {
         $media->setAttribute('width',$this->width);
         $media->setAttribute('height',$this->height);
         if (strlen($this->poster) > 0) {
            $media->setAttribute('poster',$this->poster);
            }
         } else {
         if (strlen($this->h5class) == 0) {
            $media->setAttribute('style','width: ' . $this->width . 'px;');
            }
         }
      if (strlen($this->h5class) > 0) {
         $media->setAttribute('class',$this->h5class);
         }

      $source = $this->dom->createElement('source');
      $source->setAttribute('src',$this->mpg);
      $source->setAttribute('type',$mimeMPG);
      $media->appendChild($source);   
   
      if (strlen($this->ogg) > 0) {
         // add ogg source
         $source = $this->dom->createElement('source');
         $source->setAttribute('src',$this->ogg);
         $source->setAttribute('type',$mimeOGG);
         $media->appendChild($source);
         }
      if (strlen($this->wma) > 0) {
         // add wma source
         $source = $this->dom->createElement('source');
         $source->setAttribute('src',$this->wma);
         $source->setAttribute('type',$mimeWMA);
         $media->appendChild($source);
         }
      return($media);
      }
      
   private function flowPlay() {
      $object = $this->dom->createElement('object');
      $object->setAttribute('id','fp_' . $this->id);
      $object->setAttribute('width',$this->width);
      if ($this->height > $this->cbarheight) {
          $flowHeight = $this->height + $this->cbarheight;
          } else {
          $flowHeight = $this->height;
          }
      $object->setAttribute('height',$flowHeight);
      $object->setAttribute('data',$this->fplayer);
      $object->setAttribute('type','application/x-shockwave-flash');
      if (strlen($this->fpclass) > 0) {
         $object->setAttribute('class',$this->fpclass);
         }
      
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','movie');
      $param->setAttribute('value',$this->fplayer);
      $object->appendChild($param);
      
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','allowfullscreen');
      $param->setAttribute('value','true');
      $object->appendChild($param);
      
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','allowscriptaccess');
      $param->setAttribute('value','always');
      $object->appendChild($param);
      
      $param = $this->dom->createElement('param');
      $param->setAttribute('name','flashvars');
      $param->setAttribute('value',$this->buildFlashvars());
      $object->appendChild($param);
      return($object);
      }
      
   private function hyperLink() {
      $fallback = $this->dom->createElement('p');
      if (strlen($this->fbclass) > 0) {
         $fallback->setAttribute('class',$this->fbclass);
         }
      $link = $this->dom->createElement('a',basename($this->mpg));
      if (strlen($this->dnlWrap) > 0) {
          $hyperlink = $this->dnlWrap . basename($this->mpg);
          } else {
          $hyperlink = $this->mpg;
          }
      $link->setAttribute('href',$hyperlink);
      $fallback->appendChild($link);
      if (strlen($this->ogg) > 0) {
         $br = $this->dom->createElement('br');
         $fallback->appendChild($br);
         $link = $this->dom->createElement('a',basename($this->ogg));
         if (strlen($this->dnlWrap) > 0) {
              $hyperlink = $this->dnlWrap . basename($this->ogg);
              } else {
              $hyperlink = $this->ogg;
              }
         $link->setAttribute('href',$hyperlink);
         $fallback->appendChild($link);
         }
      if (strlen($this->wma) > 0) {
         $br = $this->dom->createElement('br');
         $fallback->appendChild($br);
         $link = $this->dom->createElement('a',basename($this->wma));
         if (strlen($this->dnlWrap) > 0) {
              $hyperlink = $this->dnlWrap . basename($this->wma);
              } else {
              $hyperlink = $this->wma;
              }
         $link->setAttribute('href',$hyperlink);
         $fallback->appendChild($link);
         }
      return($fallback);
      }
      
   private function buildFlashvars() {
      $string = "config=";
      if (strlen($this->fpkey) > 0) {
         $json['key']=$this->fpkey;
         }
      // build the playlist
      if (strlen($this->poster) > 0) {
         $poster['url']=$this->poster;
         $playlist[]=$poster;
         }
      $multimedia['url']=$this->mpg;
      if (! $this->autoplay) {
         $multimedia['autoPlay']=false;
         }
      if ($this->autobuffer) {
         $multimedia['autoBuffering']=true;
         }
      $playlist[]=$multimedia;
      $json['playlist']=$playlist;
      // plugins
      $controls['height']=$this->cbarheight;
      if (strcmp($this->type,'audio') == 0) {
         $audio['url'] = $this->faplayer;
         $plugins['audio']=$audio;
         }
      if (! $this->fullscreen) {
         $controls['fullscreen']=false;
         }
      if (isset($controls)) {
         $plugins['controls']=$controls;
         }
      if (isset($plugins)) {
         $json['plugins']=$plugins;
         }
      // end of plugins
      $string .= json_encode($json);
      $string = preg_replace('/"/','\'',$string);
      $string = preg_replace('/\\\\/','',$string);
      //die($string);
      return($string);
      }
   } // end of class
?>