<?php
namespace PHPVideoToolkit;
include_once './includes/bootstrap.php';
echo '<a href="?method=blocking">Blocking</a> | <a href="?method=non-blocking">Non blocking</a><br />';
try
{
$video = new Video($example_video_path);
$video->extractSegment(new Timecode(10), new Timecode(70));
if(isset($_GET['method']) === true && $_GET['method'] === 'blocking')
{
echo '<h2>Blocking Method</h2>';
// If you use a blocking save but want to handle the progress during the block, then assign a callback within
// the constructor of the progress handler.
// IMPORTANT NOTE: most modern browser don't support output buffering any more.
$progress_data = array();
$progress_handler = new ProgressHandlerNative(function($data) use (&$progress_data)
{
// do something here like log to file or db.
array_push($progress_data, round($data['percentage'], 2).': '.round($data['run_time'], 2));
});
$process = $video->purgeMetaData()
->setMetaData('title', 'Hello World')
->save('./output/big_buck_bunny.3gp', null, Video::OVERWRITE_EXISTING, $progress_handler);
array_unshift($progress_data, 'Percentage Completed: Time taken');
Trace::vars(implode(PHP_EOL, $progress_data));
}
else
{
echo '<h2>Non Blocking Method</h2>';
Trace::vars('This non blocking process can only really be demonstrated easily via php cli.');
// use a non block save to probe the progress handler after the save has been made.
// IMPORTANT: this method only works with ->saveNonBlocking as otherwise the progress handler
// probe will quit after one cycle.
$progress_handler = new ProgressHandlerNative();
$process = $video->purgeMetaData()
->setMetaData('title', 'Hello World')
->saveNonBlocking('./output/big_buck_bunny.3gp', null, Video::OVERWRITE_EXISTING, $progress_handler);
while($progress_handler->completed !== true)
{
Trace::vars($progress_handler->probe(true, 1));
}
}
echo '<h1>Executed Command</h1>';
Trace::vars($process->getExecutedCommand());
echo '<hr /><h1>FFmpeg Process Messages</h1>';
Trace::vars($process->getMessages());
echo '<hr /><h1>Buffer Output</h1>';
Trace::vars($process->getBuffer(true));
echo '<hr /><h1>Resulting Output</h1>';
Trace::vars($process->getOutput()->getMediaPath());
exit;
}
catch(FfmpegProcessOutputException $e)
{
echo '<h1>Error</h1>';
Trace::vars($e);
$process = $video->getProcess();
if($process->isCompleted())
{
echo '<hr /><h2>Executed Command</h2>';
Trace::vars($process->getExecutedCommand());
echo '<hr /><h2>FFmpeg Process Messages</h2>';
Trace::vars($process->getMessages());
echo '<hr /><h2>Buffer Output</h2>';
Trace::vars($process->getBuffer(true));
}
echo '<a href="?reset=1">Reset Process</a>';
}
catch(Exception $e)
{
echo '<h1>Error</h1>';
Trace::vars($e->getMessage());
echo '<h2>Exception</h2>';
Trace::vars($e);
echo '<a href="?reset=1">Reset Process</a>';
}
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