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<?php |
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/* |
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* This file is part of the Mala package. |
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* |
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* (c) Chrisyue <http://chrisyue.com/> |
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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 Chrisyue\Mala; |
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use Chrisyue\Mala\Manager\EpgManagerInterface; |
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use Chrisyue\Mala\Manager\MediaSegmentManagerInterface; |
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use Chrisyue\Mala\Model\ChannelInterface; |
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use Chrisyue\PhpM3u8\Parser; |
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class PlaylistScheduler |
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{ |
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private $parser; |
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private $epgManager; |
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private $mediaSegmentManager; |
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public function __construct(Parser $parser, EpgManagerInterface $epgManager, MediaSegmentManagerInterface $mediaSegmentManager) |
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{ |
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$this->parser = $parser; |
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$this->epgManager = $epgManager; |
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$this->mediaSegmentManager = $mediaSegmentManager; |
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} |
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public function schedule(ChannelInterface $channel, \DateTime $startsAt, \DateTime $endsAt) |
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{ |
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$epg = $this->epgManager->find($channel, $startsAt, $endsAt); |
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if (empty($epg)) { |
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throw new \UnexpectedValueException('there is no epg found'); |
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} |
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$firstProgramStartsAt = $epg[0]->getStartsAt(); |
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$this->mediaSegmentManager->clear($channel, $firstProgramStartsAt); |
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$lastMediaSegment = $this->mediaSegmentManager->findLast($channel); |
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$sequence = 0; |
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if (null !== $lastMediaSegment && $firstProgramStartsAt->getTimestamp() <= $lastMediaSegment->getEndsAt()->getTimestamp() + 1) { |
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$sequence = $lastMediaSegment->getSequence(); |
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} |
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foreach ($epg as $program) { |
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$isDiscontinuity = true; |
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$segmentStartsAt = clone $program->getStartsAt(); |
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$handledDuration = 0; |
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$m3u8 = $this->parser->parseFromUri($program->getVideo()->getUri()); |
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foreach ($m3u8->getPlaylist() as $originSegment) { |
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$handledDuration += $originSegment->getDuration(); |
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$segmentEndsAt = clone $program->getStartsAt(); |
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$segmentEndsAt->modify(sprintf('+%d seconds', round($handledDuration))); |
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$segment = $this->mediaSegmentManager->create( |
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$program, $segmentStartsAt, $segmentEndsAt, |
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$originSegment->getUri(), $originSegment->getDuration(), |
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++$sequence, $isDiscontinuity |
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); |
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$this->mediaSegmentManager->saveDeferred($segment); |
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$segmentStartsAt = clone $segmentEndsAt; |
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$isDiscontinuity = false; |
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} |
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$this->mediaSegmentManager->commit(); |
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} |
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} |
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} |
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chrisyue /
mala
