对国内几大视频网站http请求分析收藏

   关键词：http请求、flv、mp4、fv4、flash播放

   国内几大视频网站现在都是提供flash方式播放点播，基本上都是采用文件分块的策略。但各个网站对视频文件http下载的服务器配置却有些差异，这可能跟他们使用的cdn策略有关。

     最近调查了一下：乐视www.letv.com、酷六www.ku6.com、优酷www.youku.com、新浪视频www.sina.com、土豆www.tudou.com 网站的各个http请求参数格式。

    下面是调查结果：

                 视频网站视频点播http协议下载方式

调查网站：
         1、www.tudou.com

         2、www.sina.com

         3、www.youku.com
         4、www.ku6.com

调查要点：
         1、http下载文件的参数格式
         2、flash播放器seek forward时，http的请求行为
         3、flash播放器seek back 时，http的请求行为
         4、视频格式包括：flv/mp4/fv4

土豆网：
考察的节目：http://www.tudou.com/programs/view/v-YZSWWJC1w/

Request

Type

URL

action

Get

video/x-flv

http://125.39.48.4/flv/027/117/428/27117428.flv?11000&key=a34c2799f6c20210cca9094a38869947286966

play

Get

video/x-flv

http://125.39.48.4/flv/027/117/428/27117428.flv?11000&key=a34c2799f6c20210cca9094a38869947286966&start=15966872&tflvbegin=15966872&tflvend=25887027

Seek forward

Get

video/x-flv

http://125.39.48.4/flv/027/117/428/27117428.flv?11000&key=a34c2799f6c20210cca9094a38869947286966&start=1802036&tflvbegin=1802036&tflvend=25887027

Seek back

Get

video/x-flv

http://125.39.48.4/flv/027/117/428/27117428.flv?11000&key=bd92d39d220766156eab164a3883e547286966&start=6895498&tflvbegin=6895498&tflvend=25887027

Seek forward

新浪网站：
考察的节目：http://video.sina.com.cn/

Request

Type

URL

Action

GET

video/x-flv

http://dxt2.dhot.v.iask.com/f/1/90c2b3ac8d9cebb64f2380f6582f7e7621755449.flv

play

GET

video/x-flv

http://dxt2.dhot.v.iask.com/f/1/90c2b3ac8d9cebb64f2380f6582f7e7621755449.flv?start=5319702

Seek forward

GET

video/x-flv

http://dxt2.dhot.v.iask.com/f/1/90c2b3ac8d9cebb64f2380f6582f7e7621755449.flv?start=2315456

Seek back

GET

video/x-flv

http://dxt2.dhot.v.iask.com/f/1/90c2b3ac8d9cebb64f2380f6582f7e7621755449.flv?start=9031978

Seek forward

优酷网站：
考察的节目：//v.youku.com/v_playlist/f2873381o1p0.html

Request

Type

URL

Action

GET

video/x-flv

http://60.217.252.22/19724aef6481/02270F070049697E409CCB01477BEF35BF49EA-3DAD-8244-4520-31E0899A5D13.flv

play

GET

video/x-flv

http://60.217.250.29/19724aef6481/02270F070349697E409CCB01477BEF35BF49EA-3DAD-8244-4520-31E0899A5D13.flv?start=361

Seek forward

GET

video/x-flv

http://60.217.250.29/19724aef6481/02270F070349697E409CCB01477BEF35BF49EA-3DAD-8244-4520-31E0899A5D13.flv?start=303

Seek back

GET

video/x-flv

http://119.167.229.20/19724aef6481/02270F070449697E409CCB01477BEF35BF49EA-3DAD-8244-4520-31E0899A5D13.flv?start=269

Seek forward

酷六网站：
考察的节目：http://v.ku6.com/special/show_3607592/OURx0M0kfyobF5kw.html

Request

Type

URL

Action

GET

application/octet-stream

http://124.164.240.167/543/21/29/RytGRQf2RQ2LbvBiEK32vQ.mp4?lp=8082&tm=1245223200&key=abf7800b4fbc7ab1b1195cb1675891da

play

GET

application/octet-stream

http://124.164.240.169/533/23/25/gwNZlgNvSP6OgDmRgzCGnw.mp4?lp=8081&start=102&tm=1245223200&key=940ae8f518045be00b8cfc63aa84433f

Seek forward

GET

application/octet-stream

http://124.164.240.170/532/25/32/aHX55EOCTrurNeVOPcPa2Q.mp4?lp=8083&start=91&tm=1245223800&key=f1ace24c8a30a6d379ed828dcd26cc21

Seek back

GET

application/octet-stream

http://124.164.240.173/535/35/0/fp6GCZiKOSqSeWiLDhp1LAYw.mp4?lp=8085&start=171&tm=1245223800&key=8b64d2bdfefdbb562b81a85aad186861

Seek forward