php使用ffmpeg获取上传的视频的时长，码率等信息 https://www.cnblogs.com/phpclass/p/10825847.html
在php里新建一个类
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2019/5/7
* Time: 14:01
*/
namespace app\index\controller;
use app\common\controller\Frontend;
class Video extends Frontend{
/*******************
支持的格式 rmvb，wmv，mkv，3gp，mp4，mpg，avi，mp3
*******************/
private $ffmpeg_url = '你的ffmpeg安装目录 -i "%s" 2>&1';
public $err = '';
//获得视频文件的具体信息
function getContent($file)
{
/////$file为视频上传目录
$command = sprintf($this->ffmpeg_url, $file);//你的安装路径
ob_start();
passthru($command);
$info = ob_get_contents();
ob_end_clean();
$data = array();
if (preg_match("/Duration: (.*?), start: (.*?), bitrate: (\d*) kb\/s/", $info, $match)) {
$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 json($data);
}
}
作者：往事love随缘
链接：https://www.jianshu.com/p/321859f37224
来源：简书
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