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<?php |
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/* |
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* This file is part of the Meta Reader package. |
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* |
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* (c) Stephan Wentz <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Temp\MetaReader; |
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use FFMpeg\FFProbe; |
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use FFMpeg\FFProbe\DataMapping\Stream; |
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use Temp\MetaReader\Value\MetaValue; |
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use Temp\MetaReader\Value\ValueBag; |
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/** |
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* Ffprobe reader. |
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* |
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* @author Stephan Wentz <[email protected]> |
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*/ |
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class FfprobeReader implements ReaderInterface |
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{ |
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/** |
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* @var FFProbe |
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*/ |
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private $ffprobe; |
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/** |
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* @param FFProbe $ffprobe |
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*/ |
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public function __construct(FFProbe $ffprobe) |
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{ |
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$this->ffprobe = $ffprobe; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function available() |
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{ |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports($filename) |
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{ |
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try { |
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$streams = $this->ffprobe->streams($filename); |
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} catch (\Exception $e) { |
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return false; |
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} |
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foreach ($streams as $stream) { |
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if (!$stream->has('codec_type') || !in_array($stream->get('codec_type'), ['audio', 'video'])) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read($filename) |
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{ |
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$meta = new ValueBag(); |
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try { |
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$format = $this->ffprobe->format($filename); |
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if ($format->has('format_name')) { |
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$meta->set('media.format_name', new MetaValue($format->get('format_name'))); |
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} |
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if ($format->has('format_long_name')) { |
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$meta->set('media.format_long_name', new MetaValue($format->get('format_long_name'))); |
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} |
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if ($format->has('duration')) { |
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$meta->set('media.duration', new MetaValue($format->get('duration'))); |
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} |
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if ($format->has('bit_rate')) { |
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$meta->set('media.bit_rate', new MetaValue($format->get('bit_rate'))); |
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} |
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if ($format->has('width')) { |
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$meta->set('media.width', new MetaValue($format->get('width'))); |
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} |
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if ($format->has('height')) { |
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$meta->set('media.height', new MetaValue($format->get('height'))); |
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} |
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if ($format->has('nb_streams')) { |
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$meta->set('media.number_of_streams', new MetaValue($format->get('nb_streams'))); |
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} |
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$streams = $this->ffprobe->streams($filename); |
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foreach ($streams as $stream) { |
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$index = $stream->get('index'); |
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$prefix = 'stream_'.$index; |
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$type = 'media'; |
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if ($stream->isVideo()) { |
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$type = 'video'; |
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} elseif ($stream->isAudio()) { |
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$type = 'audio'; |
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} |
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if ($stream->has('codec_type')) { |
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$meta->set("$type.$prefix.codec_type", new MetaValue($stream->get('codec_type'))); |
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} |
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if ($stream->has('codec_name')) { |
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$meta->set("$type.$prefix.codec_name", new MetaValue($stream->get('codec_name'))); |
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} |
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if ($stream->has('codec_long_name')) { |
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$meta->set("$type.$prefix.codec_long_name", new MetaValue($stream->get('codec_long_name'))); |
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} |
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if ($stream->has('codec_time_base')) { |
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$meta->set("$type.$prefix.codec_time_base", new MetaValue($stream->get('codec_time_base'))); |
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} |
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if ($stream->has('codec_tag_string')) { |
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$meta->set("$type.$prefix.codec_tag", new MetaValue($stream->get('codec_tag_string'))); |
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} |
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if ($stream->has('bit_rate')) { |
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$meta->set("$type.$prefix.bit_rate", new MetaValue($stream->get('bit_rate'))); |
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} |
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if ($stream->has('display_aspect_ration')) { |
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$meta->set("$type.$prefix.aspect_ratio", new MetaValue($stream->get('display_aspect_ratio'))); |
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} |
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if ($stream->has('avg_frame_rate')) { |
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$meta->set("$type.$prefix.frame_rate", new MetaValue($stream->get('avg_frame_rate'))); |
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} |
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if ($stream->has('bits_per_sample')) { |
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$meta->set("$type.$prefix.bits_per_sample", new MetaValue($stream->get('bits_per_sample'))); |
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} |
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if ($stream->has('channels')) { |
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$meta->set("$type.$prefix.channels", new MetaValue($stream->get('channels'))); |
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} |
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} |
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} catch (\Exception $e) { |
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} |
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return $meta; |
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} |
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} |
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