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<?php |
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/* |
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* This file is part of the PhpM3u8 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\PhpM3u8\M3u8; |
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class Playlist implements \Iterator, \ArrayAccess |
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{ |
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private $mediaSegments; |
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private $isEndless; |
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private $age; |
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private $position = 0; |
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public function __construct(array $mediaSegments = array(), $isEndless = false, $age = null) |
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{ |
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$this->mediaSegments = $mediaSegments; |
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$this->isEndless = $isEndless; |
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$this->age = $age; |
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} |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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public function current() |
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{ |
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return $this->mediaSegments[$this->position]; |
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} |
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public function key() |
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{ |
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return $this->position; |
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} |
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public function next() |
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{ |
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++$this->position; |
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} |
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public function valid() |
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{ |
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return isset($this->mediaSegments[$this->position]); |
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} |
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public function offsetSet($offset, $value) |
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{ |
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if (!$value instanceof MediaSegment) { |
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throw new \InvalidArgumentException('$value should be type of Chrisyue\PhpM3u8\M3u8\MediaSegment\MediaSegment'); |
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} |
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if (is_null($offset)) { |
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$this->add($value); |
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return; |
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} |
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$this->mediaSegments[$offset] = $value; |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->mediaSegments[$offset]; |
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} |
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public function offsetExists($offset) |
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{ |
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return isset($this->mediaSegments[$offset]); |
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} |
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public function offsetUnset($offset) |
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{ |
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unset($this->mediaSegments[$offset]); |
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} |
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public function add(MediaSegment $mediaSegment) |
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{ |
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$this->mediaSegments[] = $mediaSegment; |
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return $this; |
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} |
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public function getFirst() |
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{ |
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$first = reset($this->mediaSegments); |
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if (false !== $first) { |
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return $first; |
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} |
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} |
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public function getDuration() |
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{ |
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$duration = 0; |
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foreach ($this->mediaSegments as $segment) { |
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$duration += $segment->getDuration(); |
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} |
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return $duration; |
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} |
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public function count() |
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{ |
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return count($this->mediaSegments); |
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} |
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public function setAge($age) |
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{ |
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$this->age = $age; |
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return $this; |
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} |
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public function getAge() |
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{ |
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return $this->age; |
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} |
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public function isEndless() |
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{ |
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return $this->isEndless; |
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} |
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} |
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chrisyue /
php-m3u8
