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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; |
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use Chrisyue\PhpM3u8\M3u8\M3u8; |
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use Chrisyue\PhpM3u8\M3u8\MediaSegment; |
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class Dumper |
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{ |
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public function dump(M3u8 $m3u8) |
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{ |
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$lines = array( |
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'#EXTM3U', |
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sprintf('#EXT-X-VERSION:%s', $m3u8->getVersion()), |
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sprintf('#EXT-X-TARGETDURATION:%d', $m3u8->getTargetDuration()), |
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); |
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if ($m3u8->getMediaSequence()) { |
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$lines[] = sprintf('#EXT-X-MEDIA-SEQUENCE:%s', $m3u8->getMediaSequence()); |
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} |
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if ($m3u8->getDiscontinuitySequence()) { |
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$lines[] = sprintf('#EXT-X-DISCONTINUITY-SEQUENCE:%s', $m3u8->getDiscontinuitySequence()); |
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} |
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foreach ($m3u8->getPlaylist() as $mediaSegment) { |
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if ($mediaSegment->isDiscontinuity()) { |
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$lines[] = '#EXT-X-DISCONTINUITY'; |
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} |
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$lines[] = self::createExtinfLine($m3u8->getVersion(), $mediaSegment); |
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$byteRangeline = self::createByteRangeLine($mediaSegment); |
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if (!empty($byteRangeline)) { |
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$lines[] = $byteRangeline; |
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} |
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$lines[] = $mediaSegment->getUri(); |
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} |
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return implode(PHP_EOL, $lines); |
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} |
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private static function createExtinfLine($m3u8Version, MediaSegment $mediaSegment) |
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{ |
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if ($m3u8Version < 3) { |
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return sprintf('#EXTINF:%d,%s', round($mediaSegment->getDuration()), $mediaSegment->getTitle()); |
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} |
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return sprintf('#EXTINF:%.3f,%s', $mediaSegment->getDuration(), $mediaSegment->getTitle()); |
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} |
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private static function createByteRangeLine(MediaSegment $mediaSegment) |
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{ |
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$byteRange = $mediaSegment->getByteRange(); |
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if (empty($byteRange[0])) { |
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return; |
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} |
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$line = sprintf('#EXT-X-BYTERANGE:%d', $byteRange[0]); |
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if (empty($byteRange[1])) { |
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return $line; |
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} |
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return sprintf('%s@%d', $line, $byteRange[1]); |
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} |
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} |
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chrisyue /
php-m3u8
