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<?php |
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/** |
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* This file is part of the PHP-FFmpeg-video-streaming package. |
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* |
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* (c) Amin Yazdanpanah <[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 Streaming\Filters; |
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use Streaming\FileManager; |
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use Streaming\Helper; |
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use Streaming\HLS; |
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use Streaming\Representation; |
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class HLSFilter extends Filter |
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{ |
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/** |
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* @param $media |
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* @return mixed|void |
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* @throws \Streaming\Exception\Exception |
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*/ |
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public function setFilter($media): void |
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{ |
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$this->filter = $this->HLSFilter($media); |
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} |
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/** |
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* @param HLS $media |
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* @return array |
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* @throws \Streaming\Exception\Exception |
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*/ |
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private function HLSFilter(HLS $media) |
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{ |
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$filter = []; |
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$total_count = count($representations = $media->getRepresentations()); |
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$counter = 0; |
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$path_parts = $media->getPathInfo(); |
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$dirname = str_replace("\\", "/", $path_parts["dirname"]); |
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$filename = substr($path_parts["filename"], -50); |
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$ts_sub_dir = Helper::appendSlash($media->getTsSubDirectory()); |
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$base_url = Helper::appendSlash($media->getHlsBaseUrl()); |
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if ($ts_sub_dir) { |
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FileManager::makeDir($dirname . DIRECTORY_SEPARATOR . $ts_sub_dir); |
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$base_url = $base_url . $media->getTsSubDirectory() . "/"; |
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} |
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foreach ($representations as $representation) { |
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if ($representation instanceof Representation) { |
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$filter[] = "-s:v"; |
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$filter[] = $representation->getResize(); |
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$filter[] = "-crf"; |
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$filter[] = "20"; |
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$filter[] = "-sc_threshold"; |
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$filter[] = "0"; |
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$filter[] = "-g"; |
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$filter[] = "48"; |
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$filter[] = "-keyint_min"; |
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$filter[] = "48"; |
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$filter[] = "-hls_list_size"; |
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$filter[] = "0"; |
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$filter[] = "-hls_time"; |
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$filter[] = $media->getHlsTime(); |
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$filter[] = "-hls_allow_cache"; |
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$filter[] = $media->isHlsAllowCache() ? "1" : "0"; |
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$filter[] = "-b:v"; |
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$filter[] = $representation->getKiloBitrate() . "k"; |
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$filter[] = "-maxrate"; |
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$filter[] = intval($representation->getKiloBitrate() * 1.2) . "k"; |
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$filter[] = "-hls_segment_filename"; |
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$filter[] = $dirname . "/" . $ts_sub_dir . $filename . "_" . $representation->getHeight() . "p_%04d.ts"; |
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if ($base_url) { |
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$filter[] = "-hls_base_url"; |
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$filter[] = $base_url; |
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} |
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if ($media->getHlsKeyInfoFile()) { |
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$filter[] = "-hls_key_info_file"; |
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$filter[] = $media->getHlsKeyInfoFile(); |
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} |
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$filter[] = "-strict"; |
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$filter[] = $media->getStrict(); |
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if (++$counter !== $total_count) { |
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$filter[] = $dirname . "/" . $filename . "_" . $representation->getHeight() . "p.m3u8"; |
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} |
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} |
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} |
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return $filter; |
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} |
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} |
aminyazdanpanah /
PHP-FFmpeg-video-streaming
