php使用ffmpeg獲取上傳的視頻的時(shí)長(zhǎng)，碼率等信息 https://www.cnblogs.com/phpclass/p/10825847.html
在php里新建一個(gè)類?
/**
* 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安裝目錄 -i "%s" 2>&1';
public $err = '';
//獲得視頻文件的具體信息
function getContent($file)
{
/////$file為視頻上傳目錄
$command = sprintf($this->ffmpeg_url, $file);//你的安裝路徑
ob_start();
passthru($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]; //轉(zhuǎn)換播放時(shí)間為秒數(shù)
$data['start'] = $match[2]; //開始時(shí)間
$data['bitrate'] = $match[3]; //碼率(kb)
}
if (preg_match("/Video: (.*?), (.*?), (.*?)[,\s]/", $info, $match)) {
$data['vcodec'] = $match[1]; //視頻編碼格式
$data['vformat'] = $match[2]; //視頻格式
$data['resolution'] = $match[3]; //視頻分辨率
$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]; //音頻編碼
$data['asamplerate'] = $match[2]; //音頻采樣頻率
}
if (isset($data['seconds']) && isset($data['start'])) {
$data['play_time'] = $data['seconds'] + $data['start']; //實(shí)際播放時(shí)間
}
$data['size'] = filesize($file); //文件大小
return json($data);
}
}
作者：往事love隨緣
鏈接：http://m.itdecent.cn/p/321859f37224
來(lái)源：簡(jiǎn)書
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