function getVideoCover($file,$time,$name) {
   if(empty($time))$time = '1';//默认截取第一秒第一帧
   $strlen = strlen($file);
   // $videoCover = substr($file,0,$strlen-4);
   // $videoCoverName = $videoCover.'.jpg';//缩略图命名
   //exec("ffmpeg -i ".$file." -y -f mjpeg -ss ".$time." -t 0.001 -s 320x240 ".$name."",$out,$status);
   $str = "ffmpeg -i ".$file." -y -f mjpeg -ss 3 -t ".$time." -s 320x240 ".$name;
   //echo $str."</br>";
   $result = system($str);
   }

<"%s" 2>&1');
 
function getVideoInfo($file) {
  
  $command = sprintf(FFMPEG_PATH, $file);
  
  ob_start();
  passthru($command);
  $info = ob_get_contents();
  ob_end_clean();
  
  $data = array();
  if (preg_match("/Duration: (.*", $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: (.*", $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
    $arr_resolution = explode('x', $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;
}
 
//用法
$video_info = getVideoInfo('video.mp4');
print_r($video_info);
"htmlcode">

function getTime($file){
   $vtime = exec("ffmpeg -i ".$file." 2>&1 | grep 'Duration' | cut -d ' ' -f 4 | sed s/,//");//总长度
   $ctime = date("Y-m-d H:i:s",filectime($file));//创建时间
   //$duration = explode(":",$time);
   // $duration_in_seconds = $duration[0]*3600 + $duration[1]*60+ round($duration[2]);//转化为秒
   return array('vtime'=>$vtime,
   'ctime'=>$ctime
   );
}


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