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<?php |
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/** |
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* Copyright 2019 Amin Yazdanpanah<http://www.aminyazdanpanah.com>. |
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* |
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* Licensed under the MIT License; |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* https://opensource.org/licenses/MIT |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace AYazdanpanah\FFMpegStreaming\Filters; |
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use AYazdanpanah\FFMpegStreaming\HLS; |
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use AYazdanpanah\FFMpegStreaming\Representation; |
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class HLSFilter extends Filter |
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{ |
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public function setFilter($media) |
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{ |
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$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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*/ |
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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($path_parts["filename"], -50); |
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foreach ($representations as $key => $representation) { |
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if ($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 . "/" . $filename . "_" . $representation->getHeight() . "p_%04d.ts"; |
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if(($hls_key_info_file = $media->getHlsKeyInfoFile()) !== ""){ |
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$filter[] = "-hls_key_info_file"; |
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$filter[] = $hls_key_info_file; |
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} |
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if (++$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
