1.<?php
2.header("content-type:text/html;charset=utf-8");
3.date_default_timezone_set('Asia/Shanghai');
4.
5.function getCoverImages($fileUrl){
6. $result = array();
7.
8. if(!empty($fileUrl)){
9. $filePath = str_replace("http://img.baidu.cn/", "/data/images/", $fileUrl);
10. if(is_file($filePath)){
11. $result = execCommandLine($filePath);
12. }
13. }
14. return json_encode($result);
15. }
16.
17. function execCommandLine($file){
18. $result = array();
19.
20. $pathParts = pathinfo($file);
21. $filename = $pathParts['dirname']."/".$pathParts['filename']."_";
22.
23. $times = array(8,15,25);
24. foreach ($times as $k => $v) {
25. $destFilePath = $filename.$v.".jpg";
26. $command = "/usr/bin/ffmpeg -i {$file} -y -f image2 -ss {$v} -vframes 1 -s 640x360 {$destFilePath}";
27. exec($command);
28. //chmod($filename.$v."jpg",0644);
29. $destUrlPath = str_replace("/data/images/", "http://img.baidu.cn/", $destFilePath);
30. $selected = $k == 0 ? "1" : "0";//默认将第一张图片作为封面图
31. array_push($result,array($destUrlPath,$selected));
32. }
33.
34. return $result;
35. }
36.
37.$fileUrl="http://img.baidu.cn/14221916FLVSDT1.mp4"
38.getCoverImages($fileUrl);//截取第8、15、25秒为封面图
39.
?>
