Location: PHPKode > scripts > PHP Video Toolkit > php-video-toolkit/examples/example06.php
<?php

	/* SVN FILE: $Id$ */
	
	/**
	 * @author Oliver Lillie (aka buggedcom) <hide@address.com>
	 * @package PHPVideoToolkit
	 * @license BSD
	 * @copyright Copyright (c) 2008 Oliver Lillie <http://www.buggedcom.co.uk>
	 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
	 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
	 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
	 * is furnished to do so, subject to the following conditions:  The above copyright notice and this permission notice shall be
	 * included in all copies or substantial portions of the Software.
	 *
	 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
	 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
	 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	 */
    
	echo '<html><head><script type="text/javascript" charset="utf-8" src="pluginobject/pluginobject.js"></script><script>PO.Options.auto_load_prefix="pluginobject/plugins/"</script></head><body>';
	echo '<a style="font-size:12px;" href="index.php#examples">&larr; Back to examples list</a><br /><br />';
	echo '<strong>This example shows you how to extract audio from video.</strong><br />';
	
// 	load the examples configuration
	require_once 'example-config.php';
	
// 	require the library
	require_once '../phpvideotoolkit.'.$use_version.'.php';
	
// 	temp directory
	$tmp_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH.'tmp/';
	
//	input movie files
	$files_to_process = array(
		PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH.'to-be-processed/MOV00007.3gp',
		PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH.'to-be-processed/cat.mpeg'
	);

//	output files dirname has to exist
	$audio_output_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH.'processed/audio/';
	
//	log dir
	$log_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_BATH.'logs/';
	
//	bit rate of audio (valid vaues are 16,32,64)
	$bitrate = 64;

//	sampling rate (valid values are 11025, 22050, 44100)
	$samprate = 44100;
	
// 	start PHPVideoToolkit class
	$toolkit = new PHPVideoToolkit($tmp_dir);
	
// 	set PHPVideoToolkit class to run silently
	$toolkit->on_error_die = FALSE;
	
// 	start the timer collection
	$total_process_time = 0;
	
// 	loop through the files to process
	foreach($files_to_process as $key=>$file)
	{
// 		get the filename parts
		$filename = basename($file);
		$filename_minus_ext = substr($filename, 0, strrpos($filename, '.'));
		echo '<strong>Processing '.$filename.'</strong><br />';
		
// 		set the input file
		$ok = $toolkit->setInputFile($file);
// 		check the return value in-case of error
		if(!$ok)
		{
// 			if there was an error then get it 
			echo $toolkit->getLastError()."<br /><br />\r\n";
			$toolkit->reset();
			continue;
		}
		
// 		set the audio extraction settings
		$toolkit->extractAudio(PHPVideoToolkit::FORMAT_MP3, $samprate, $bitrate);
		
// 		set the output details and overwrite if nessecary
		$ok = $toolkit->setOutput($audio_output_dir, $filename_minus_ext.'.mp3', PHPVideoToolkit::OVERWRITE_EXISTING);
// 		check the return value in-case of error
		if(!$ok)
		{
// 			if there was an error then get it 
			echo $toolkit->getLastError()."<br /><br />\r\n";
			$toolkit->reset();
			continue;
		}
		
// 		execute the ffmpeg command and log the calls and ffmpeg results
		$result = $toolkit->execute(false, true);
		
// 		get the last command given
// 		$command = $toolkit->getLastCommand();
// 		echo $command[0]."<br />\r\n";
// 		echo $command[1]."<br />\r\n";
		
// 		check the return value in-case of error
		if($result !== PHPVideoToolkit::RESULT_OK)
		{
// 			move the log file to the log directory as something has gone wrong
			$toolkit->moveLog($log_dir.$filename_minus_ext.'.log');
// 			if there was an error then get it 
			echo $toolkit->getLastError()."<br /><br />\r\n";
			$toolkit->reset();
			continue;
		}
		
// 		get the process time of the file
		$process_time = $toolkit->getLastProcessTime();
		$total_process_time += $process_time;
		
		$file = array_shift($toolkit->getLastOutput());
		$filename = basename($file);
		$filename_hash = md5($filename);
		
		echo 'Audio extracted in '.$process_time.' seconds...<br />
<div id="'.$filename_hash.'"></div>
<script type="text/javascript" charset="utf-8">
	PluginObject.embed("processed/audio/'.$filename.'", {
		width : 350,
		height: 20,
		force_plugin:PluginObject.Plugins.Quicktime,
		force_into_id:"'.$filename_hash.'",
		params: {
			autoplay: false
		}
	});         
</script><br />'."\r\n";
	
// 		reset 
		$toolkit->reset();
	}
	
	echo "\r\n".'The total time taken to process all '.($key+1).' file(s) is : <b>'.$total_process_time.'</b>';
	echo '<br />'."\r\n".'The average time taken to process each file is : <b>'.($total_process_time/($key+1)).'</b>';
    echo '</body></html>';
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