convert.php at StreamOnTheFly

<?php // -*- tab-width: 3; indent-tabs-mode: 1; -*- 

/*  
 * $Id: convert.php,v 1.12 2003/06/12 16:46:59 andras Exp $
 * Created for the StreamOnTheFly project (IST-2001-32226)
 * Authors: András Micsik, Máté Pataki, Tamás Déri 
 *          at MTA SZTAKI DSD, http://dsd.sztaki.hu
 */

/** This special PHP doesn't use Smarty, because it generates HTML on-the-fly */

require("init.inc.php");

$page->popup = true;

function startPage()
{
	set_time_limit(60000);
	echo "<html>\n";
	echo "<head>\n";
	echo "<title>Progress</title>\n";
	echo "</head>\n";
	echo "<body>\n";

	// 256 dummy bytes for IE
	for ($i=0;$i<256;$i++)
		echo " ";
}

function endPage()
{
	echo "<script>\n";
	echo "alert('Convert ready!');\n";
	echo "document.location.href='closeAndRefresh.php';\n";
	echo "</script>\n";
	echo "</body>\n";
	echo "</html>\n";
}

function exitPage()
{
	echo "<html>\n";
	echo "<body onLoad='self.close()'>\n";
	echo "</body>\n";
	echo "</html>\n";
	exit;
}

function getTempWavName()
{
	global $config;

	$tempname = tempnam($config['tmpDir'],"__");
	unlink($tempname);
	return $tempname. ".wav";
}

function progressBar($cmd,$regexp)
{
	global $config;

	$line = "";
	$out = 0;
	$left = $config['progressBarLength'];

	debug('execute',$cmd);
	$fp = popen($cmd . ' 2>&1', 'r');
	while(!feof($fp))
	{
		$data = fread($fp,1);
		if ((ord($data) == 13) || (ord($data) == 10))
		{
			if (preg_match($regexp,$line,$match))
			{
				$curr = (integer) (((integer) $match[1]) * $config['progressBarLength'] / 100);
				for ($i=$out;$i<$curr;$i++)
				{
					echo $config['progressBarChar'];
					$out++;
					$left--;
				}
			}
			$line = "";
	  	}
		else
			$line .= $data;
		flush();
	}
	pclose($fp);
	while($left)
	{
		echo $config['progressBarChar'];
		$left--;
		$out++;
	}
	flush();
}

function encodeWithLame($cmd)
{
	global $config;

	echo "<p>Encoding MP3 file...<br />\n";
	flush();

	progressBar($cmd,$config['lameencRegexp']);
	echo "</p>\n";
	flush();
}

function decodeWithLame($cmd)
{
	global $config;

	echo "<p>Decoding MP3 file to PCM data...<br />\n";
	flush();
	debug('execute',$cmd);
	$result = exec($cmd);
  debug('result',$result);
	for ($i=0;$i<$config['progressBarLength'];$i++)
		echo $config['progressBarChar'];
	echo "</p>\n";
	flush();
}

function encodeWithOgg($cmd)
{
	global $config;

	echo "<p>Encoding OGG file...<br />\n";
	flush();
	progressBar($cmd,$config['oggencRegexp']);
	echo "</p>\n";
	flush();
}

function decodeWithOgg($cmd)
{
	global $config;

	echo "<p>Decoding OGG file to PCM data...<br />\n";
	flush();
	debug('execute',$cmd);
	exec($cmd);
	for ($i=0;$i<$config['progressBarLength'];$i++)
		echo $config['progressBarChar'];
	echo "</p>\n";
	flush();
}

function convertWithSox($cmd)
{
	global $config;

	echo "<p>Convert mono PCM data to stereo...<br />\n";
	flush();
	debug('execute',$cmd);
	exec($cmd);
	for ($i=0;$i<$config['progressBarLength'];$i++)
		echo $config['progressBarChar'];
	echo "</p>\n";
	flush();
}

function checkFile($file) {
  if(!is_readable($file)) {
	 raiseError("conversion_failed");
  }
}

function rmFile($file) {
  unlink($file) or logError("Could not delete file: $file");
}

$id = sotf_Utils::getParameter('id'); 
$index = sotf_Utils::getParameter('index'); 
$jingle = sotf_Utils::getParameter('jingle'); 
$all = sotf_Utils::getParameter('all'); 

$obj = $repository->getObject($id);
if(!$obj)
	  raiseError("object does not exist!");

checkPerm($obj->id, 'change');

$audioFiles = & new sotf_FileList();
if($jingle) {
  $audioFiles->getAudioFromDir($obj->getMetaDir());
} else {
  $audioFiles->getAudioFromDir($obj->getAudioDir());
}
$checker = & new sotf_AudioCheck($audioFiles);
$checker->console = true;

startPage();

if($all) {
  $targets = $checker->convertAll($obj->id);

  foreach($targets as $target) {
	 if($jingle) {
		$obj->setJingle($target);
	 } else {
		$obj->setAudio($target);
	 }
  }

} else {
  $target = $checker->convert($obj->id, $index);
  
  if($jingle) {
	 $obj->setJingle($target);
  } else {
	 $obj->setAudio($target);
  }
}

endPage();

?>