Proyectos de Subversion LeadersLinked - Backend

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17018 efrain 1 
<?php
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namespace LeadersLinked\Library;
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class Video
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{
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    public static function extractPoster($source_filename, $target_filename)
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    {
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        try {
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            $cmd        = "/usr/bin/ffprobe -v error -of flat=s=_ -select_streams v:0 -show_entries stream=height,width,duration  $source_filename";
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            $response   = trim(shell_exec($cmd));
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            $source_duration = 0;
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            $lines = explode("\n", $response);
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            foreach ($lines as $line) {
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                $line = trim(strtolower($line));
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                if (strpos($line, 'duration') !== false) {
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                    $values = explode('=', $line);
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                    $source_duration = intval(str_replace($values[1], '#', ''), 10);
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                }
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            }
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            if ($source_duration == 0) {
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                $second_extract = '00:00:02';
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            } else {
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                if ($source_duration > 10) {
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                    $second_extract = '00:00:10';
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                } else {
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                    $second_extract = '00:00:02';
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                }
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            }
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            $cmd = "/usr/bin/ffmpeg -y -i $source_filename  -pix_fmt yuvj422p -an -ss $second_extract -f mjpeg -t 1 -r 1 -y  $target_filename";
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            exec($cmd);
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            return true;
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        }
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        catch (\Throwable $e)
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        {
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            return false;
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        }
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    }
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}