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[PHP] Create Short Preview from Video
//
// requirements
// FFMPEG https://www.ffmpeg.org/download.html
// https://github.com/PHP-FFMpeg/PHP-FFMpeg
//
<?php
namespace App\Jobs;
use FFMpeg\Coordinate\TimeCode;
use FFMpeg\FFMpeg;
use FFMpeg\FFProbe;
use FFMpeg\Format\Video\X264;
class ConvertVideo
{
/**
* Execute the job.
*
* @return void
*/
public function handle()
{
$tempDir = '/tmp/vid-concat/'; // temporary directory
$start = 20; // when to start
$extension = 'mp4';
$snippetDuration = 2; // duration for each snipper
$snippetCount = 5; // snippet count
$ffmpeg = FFMpeg::create([
'ffmpeg.binaries' => '/usr/bin/ffmpeg',
'ffprobe.binaries' => '/usr/bin/ffprobe',
'timeout' => 360000,
'ffmpeg.threads' => 12,
]);
$ffprobe = FFProbe::create([
'ffmpeg.binaries' => '/usr/bin/ffmpeg',
'ffprobe.binaries' => '/usr/bin/ffprobe',
'timeout' => 360000,
'ffmpeg.threads' => 12,
]);
$input = '/file/to/input.mp4';
$file = $ffmpeg->open($input);
$duration = $ffprobe->format($input)->get('duration');
$length = round($duration);
$interval = floor(($length - $start) / $snippetCount);
$output = '/file/to/output.mp4';
$format = new X264('libmp3lame', 'libx264');
// create snippets (5x 2sec)
mkdir($tempDir);
$snippets = [];
for ($i = 0; $i < $snippetCount; $i++) {
$file->filters()->clip(TimeCode::fromSeconds($start), TimeCode::fromSeconds($snippetDuration));
$file->save($format, $tempDir . '-' . $i . '-.' . $extension);
$snippets[] = $tempDir . '-' . $i . '-.' . $extension;
$start += $interval;
}
// concat the snippets into 1 $destinationFile
$file = $ffmpeg->open($input);
$file
->concat($snippets)
->saveFromSameCodecs($output, true);
// remove temp files
foreach ($snippets as $snippet) {
unlink($snippet);
}
rmdir($tempDir);
}
}
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