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<?php |
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declare(strict_types=1); |
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namespace Soluble\MediaTools\Video\Filter; |
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use Soluble\MediaTools\Video\Filter\Type\FFMpegVideoFilterInterface; |
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class CropFilter implements FFMpegVideoFilterInterface |
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{ |
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/** @var int|string|null */ |
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protected $height; |
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/** @var int|string|null */ |
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protected $width; |
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/** @var int|string|null */ |
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protected $x; |
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/** @var int|string|null */ |
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protected $y; |
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/** @var bool */ |
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protected $keepAspect; |
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/** @var bool */ |
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protected $exact; |
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/** |
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* Crop filter. |
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* |
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* @see https://ffmpeg.org/ffmpeg-filters.html#crop |
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* |
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* @param string|int|null $width The width of the output video, it defaults to 'iw' |
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* @param string|int|null $height The height of the output video, it defaults to 'ih' |
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* @param string|int|null $x The horizontal position, in the input video, of the left edge of the output video. It defaults to '(in_w-out_w)/2' |
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* @param string|int|null $y The vertical position, in the input video, of the top edge of the output video. It defaults to '(in_h-out_h)/2' |
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* @param bool $keepAspect will force the output display aspect ratio to be the same of the input, by changing the output sample aspect ratio |
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* @param bool $exact Enable exact cropping. If enabled, subsampled videos will be cropped at exact width/height/x/y as specified and will not be rounded to nearest smaller value. |
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*/ |
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public function __construct( |
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$width = null, |
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$height = null, |
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$x = null, |
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$y = null, |
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bool $keepAspect = false, |
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bool $exact = false |
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) { |
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$this->width = $width; |
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$this->height = $height; |
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$this->x = $x; |
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$this->y = $y; |
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$this->keepAspect = $keepAspect; |
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$this->exact = $exact; |
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} |
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public function getFFmpegCLIValue(): string |
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{ |
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$args = array_filter([ |
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($this->width !== null) ? "w={$this->width}" : false, |
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($this->height !== null) ? "h={$this->height}" : false, |
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($this->x !== null) ? "x={$this->x}" : false, |
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($this->y !== null) ? "y={$this->y}" : false, |
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($this->keepAspect) ? 'keep_aspect=1' : false, |
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($this->exact) ? 'exact=1' : false, |
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]); |
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return sprintf( |
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'crop=%s', |
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implode(':', $args) |
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); |
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} |
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} |
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It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.