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<?php
/*
* This file is part of PHP-FFmpeg.
*
* (c) Alchemy <info@alchemy.fr>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FFMpeg\Filters\Audio;
use FFMpeg\Coordinate\TimeCode;
use FFMpeg\Format\AudioInterface;
use FFMpeg\Media\Audio;
class AudioClipFilter implements AudioFilterInterface {
/**
* @var TimeCode
*/
private $start;
/**
* @var TimeCode
*/
private $duration;
/**
* @var int
*/
private $priority;
public function __construct(TimeCode $start, TimeCode $duration = null, $priority = 0) {
$this->start = $start;
$this->duration = $duration;
$this->priority = $priority;
}
/**
* @inheritDoc
*/
public function getPriority() {
return $this->priority;
}
/**
* Returns the start position the audio is being cutted
*
* @return TimeCode
*/
public function getStart() {
return $this->start;
}
/**
* Returns how long the audio is being cutted. Returns null when the duration is infinite,
*
* @return TimeCode|null
*/
public function getDuration() {
return $this->duration;
}
/**
* @inheritDoc
*/
public function apply(Audio $audio, AudioInterface $format) {
$commands = array('-ss', (string) $this->start);
if ($this->duration !== null) {
$commands[] = '-t';
$commands[] = (string) $this->duration;
}
$commands[] = '-acodec';
$commands[] = 'copy';
return $commands;
}
}
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