$ composer require php-ffmpeg/php-ffmpeg

<?phpreturn ['ffmpegpath' =>'C:/xampp/php/ffmpeg/bin/ffmpeg.exe -i "%s" 2>&1','ffmpeg' =>'C:/xampp/php/ffmpeg/bin/ffmpeg.exe','ffprobe' =>'C:/xampp/php/ffmpeg/bin/ffprobe.exe',   ];

伪代码：use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Config;$ffmpeg_path       = Config::get("element.ffmpeg");//ffmpeg运行的路径$ffprobe_path      = Config::get("element.ffprobe");//ffprobe运行路径$ffmpeg            = \FFMpeg\FFMpeg::create(array('ffmpeg.binaries'  => $ffmpeg_path,'ffprobe.binaries' => $ffprobe_path,'timeout'          => 30000, // The timeout for the underlying process'ffmpeg.threads'   => 12, // The number of threads that FFMpeg should use
        ));$default = ini_get('max_execution_time');//获取php的超时设置的值set_time_limit(-1);//这里设置成不超时$video = $ffmpeg->open($path);//这里的路径填写你要转码的视频的绝对路径$format = new \FFMpeg\Format\Video\X264('libmp3lame', 'libx264');$format->on('progress', function ($video, $format, $percentage) {//echo "  进度:$percentage%";if ($percentage == 100) {//1.修改数据库文件路径信息DB::table('elements')->where('id', $this->id)->update(['path' => $this->chakge_path, 'trans_status' => '1']);}});$format->setKiloBitrate(1000)->setAudioChannels(2)->setAudioKiloBitrate(256);$video->save($format, $save_path);//这里保存转码后的视频地址set_time_limit($default);//还原php的超时设置的值

/*** 返回视频或音频文件的信息*/public function getVideoInfo($file){// 定义ffmpeg路径及命令常量//define('FFMPEG_CMD', '/usr/local/bin/ffmpeg -i "%s" 2>&1');$ffmpeg = Config::get("element.ffmpegpath");//这里去conf里读define('FFMPEG_PATH', $ffmpeg);$command = sprintf(FFMPEG_PATH, $file);ob_start();passthru($command);$info = ob_get_contents();ob_end_clean();$data = array();if (preg_match("/Duration: (.*?), start: (.*?), bitrate: (\d*) kb\/s/", $info, $match)) {$data['duration'] = $match[1]; //播放时间$arr_duration     = explode(':', $match[1]);$data['seconds']  = $arr_duration[0] * 3600 + $arr_duration[1] * 60 + $arr_duration[2]; //转换播放时间为秒数$data['start']    = $match[2]; //开始时间$data['bitrate']  = $match[3]; //码率(kb)
        }if (preg_match("/Video: (.*?), (.*?), (.*?)[,\s]/", $info, $match)) {$data['vcodec']     = $match[1]; //视频编码格式$data['vformat']    = $match[2]; //视频格式$data['resolution'] = $match[3]; //视频分辨率if (strpos($match[3], 'x')) {$arr_resolution     = explode('x', $match[3]);$data['resolution'] = $match[3];$data['width']      = $arr_resolution[0];$data['height']     = $arr_resolution[1];}}if (preg_match("/Audio: (\w*), (\d*) Hz/", $info, $match)) {$data['acodec']      = $match[1]; //音频编码$data['asamplerate'] = $match[2]; //音频采样频率
        }if (isset($data['seconds']) && isset($data['start'])) {$data['play_time'] = $data['seconds'] + $data['start']; //实际播放时间
        }$data['size'] = filesize($file); //文件大小return $data;}

    /*** 新式获取md5的方法* @param string $file 文件的绝对路径*/public static function md5($file){$str      = "";$tmp_file = "";@$fp      = fopen($file, 'r');if ($fp) {$size = filesize($file);if (1048576 > $size) // 1024*1024
            {$str = $file;} else {fseek($fp, 0); // 1 - 2012$str .= fread($fp, 2012);fseek($fp, $size / 2 - 1999); // filesize/2 - 1999$str .= fread($fp, 1999);fseek($fp, -2010, SEEK_END); // -2010$str .= fread($fp, 2010);$tmp_file = sprintf("%s/%s_%s", public_path(), time(), basename($file));$tfp = fopen($tmp_file, "wb");if ($tfp) {fwrite($tfp, $str);fclose($tfp);$str = $tmp_file;}}fclose($fp);}@$md5 = md5_file($str);@unlink($tmp_file);return $md5;}