PHP利用ffmpeg获取音频、视频的详细信息

目录

• 一、目的
• 二、下载并安装ffmpeg
• 三、PHP代码
• 四、运行结果

/**
 * 获取音视频基本信息
 */
public function getVideoInfo($file)
{
     $command = sprintf('E:/phpstudy_pro/WWW/test/public/ffmpeg/bin/ffmpeg -i "%s" 2>&1', $file);  //你的ffmpeg路径
 
     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
         $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;
}
 
/**
 * 调用
 */
public function video()
{
    // 定义视频路径
    $videoPath = 'E:/phpstudy_pro/WWW/test/public/uploads/8秒.mp4';
    $video_info = $this->getVideoInfo($videoPath);
    echo '<pre>';
    print_r($video_info);
}