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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\MediaSegmentManagerInterface; |
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use Chrisyue\Mala\Model\ChannelInterface; |
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use Chrisyue\PhpM3u8\M3u8\M3u8; |
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use Chrisyue\PhpM3u8\M3u8\Playlist; |
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class M3u8Generator |
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{ |
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private $manager; |
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private $options; |
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public function __construct(MediaSegmentManagerInterface $manager, array $options = array()) |
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{ |
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$this->manager = $manager; |
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$this->options = $options + array( |
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'version' => 3, |
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'target_duration' => 10, |
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); |
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} |
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public function generate(ChannelInterface $channel, \DateTime $startsAt = null) |
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{ |
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$targetDuration = $this->options['target_duration']; |
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if (null === $startsAt) { |
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$startsAt = new \DateTime(); |
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} |
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$segments = $this->manager->findPlaying($channel, $startsAt, $targetDuration * 3); |
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$playlist = new Playlist($segments); |
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$first = $playlist->getFirst(); |
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if (null === $first) { |
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return; |
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} |
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$age = $first->getEndsAt()->getTimestamp() - $startsAt->getTimestamp() + 1; |
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$playlist->setAge($age); |
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$discontinuitySequence = $first->getProgram()->getSequence(); |
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if ($first->isDiscontinuity()) { |
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--$discontinuitySequence; |
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} |
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return new M3u8($playlist, $this->options['version'], $targetDuration, $discontinuitySequence); |
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} |
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} |
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chrisyue /
mala
