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<?php
/* SVN FILE: $Id$ */
/**
* @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
* @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><link type="text/css" rel="stylesheet" href="../common/styles.css"><meta name="author" content="Oliver Lillie"></head><body>';
echo '<a class="backtoexamples" href="../index.php#examples">← Back to examples list</a><br /><br />';
echo '<strong>This example shows you how to extract frames from a movie.</strong><br />';
// load the examples configuration
require_once '../example-config.php';
// require the library
require_once '../../phpvideotoolkit.'.$use_version.'.php';
echo '<span class="alert"><strong>Note; </strong>This example should work correctly, however it\'s not. I don\'t currently understand why it\'s not producing the expected thumbnails. I\'m currently looking into it and the example will be updated when this process is fixed.</span><br /><br />';
// temp directory
$tmp_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'tmp'.DS;
// input movie files
$files_to_process = array(
PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'MOV00007.3gp',
PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'Video000.3gp',
PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'to-be-processed'.DS.'cat.mpeg'
);
// output files dirname has to exist
$thumbnail_output_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'processed'.DS.'thumbnails'.DS;
// log dir
$log_dir = PHPVIDEOTOOLKIT_EXAMPLE_ABSOLUTE_PATH.'working'.DS.'logs'.DS;
// start PHPVideoToolkit class
$toolkit = new PHPVideoToolkit($tmp_dir);
// set PHPVideoToolkit class to run silently
$toolkit->on_error_die = FALSE;
// the number of frames to extract per second
$extraction_frame_rate = 5;
// 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($filename, '.'));
echo '<strong>Extracting '.$filename.'</strong><br />';
// set the input file
$ok = $toolkit->setInputFile($file, $extraction_frame_rate);
// check the return value in-case of error
if(!$ok)
{
// if there was an error then get it
echo '<b>'.$toolkit->getLastError()."</b><br />\r\n";
$toolkit->reset();
continue;
}
// set the output dimensions
$toolkit->setVideoOutputDimensions(160, 120);
// extract thumbnails from the third second of the video, but we only want to limit the number of frames to 10
$info = $toolkit->getFileInfo();
echo 'We are extracting frames at a rate of '.$extraction_frame_rate.'/second so for this file we should have '.ceil($info['duration']['seconds']*$extraction_frame_rate).' frames below.<br />';
$toolkit->extractFrames('00:00:00', false, $extraction_frame_rate, false, '%hh:%mm:%ss');
// set the output details
$ok = $toolkit->setOutput($thumbnail_output_dir, $filename_minus_ext.'[%timecode].jpg', PHPVideoToolkit::OVERWRITE_EXISTING);
// $ok = $toolkit->setOutput($thumbnail_output_dir, $filename_minus_ext.'[%12index].jpg', PHPVideoToolkit::OVERWRITE_EXISTING);
// check the return value in-case of error
if(!$ok)
{
// if there was an error then get it
echo '<b>'.$toolkit->getLastError()."</b><br />\r\n";
$toolkit->reset();
continue;
}
// execute the ffmpeg command
$result = $toolkit->execute(false, true);
// get the last command given
// $command = $toolkit->getLastCommand();
// echo $command."<br />\r\n";
// check the return value in-case of error
if($result !== PHPVideoToolkit::RESULT_OK)
{
// move the log file to the log directory as something has gone wrong
$toolkit->moveLog($log_dir.$filename_minus_ext.'.log');
// if there was an error then get it
echo '<b>'.$toolkit->getLastError()."</b><br />\r\n";
$toolkit->reset();
continue;
}
// get the process time of the file
$process_time = $toolkit->getLastProcessTime();
$total_process_time += $process_time;
$files = $toolkit->getLastOutput();
echo 'Frames grabbed in '.$process_time.' seconds... <b>'.$thumbnail_output_dir.array_pop($files).'</b><br />'."\r\n";
foreach($files as $key=>$file)
{
echo '<img src="../working/processed/thumbnails/'.$file.'" alt="" border="0" /> ';
}
echo '<br /><br />';
// 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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