腾讯视频的地址解析下载

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以腾讯视频播放页地址http://v.qq.com/x/cover/rz4mhb6494f12co.html为例，说说如何解析得到视频的真实地址。

提取视频ID

在播放页源码中，可以找到如下视频信息：

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var VIDEO_INFO = {
    title: "咱们相爱吧 第1集",
    duration: "2746",
    vid: "y00221a60w7",
    piantou:"0",
    pianwei:"0",
    showMark:"1",
    showBullet:true,
    showImageBullet:false,
    openBulletDefault:true,
    isNeedPay: false,
    isTrailer: 0,
    singlePrice: "undefined",
    vipPrice: "undefined",
    tryTime: "1306029",
    isTrailer : 0,
    type: "2"
};

其中，vid的值y00221a60w7即为视频ID.

请求getinfo接口

使用Chrome浏览器的开发者工具监控网络请求，发现getinfo接口的请求地址如下：

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http://h5vv.video.qq.com/getinfo?callback=txplayerJsonpCallBack_getinfo_591513&isHLS=false&charge=0&vid=y00221a60w7&defn=hd&defnpayver=1&otype=json&guid=29a06bf3852fbe2ea6eb53829c3878fa&platform=10901&sdtfrom=v1010&host=v.qq.com&_rnd=1479010822&fhdswitch=0&show1080p=1&_qv_rmt=sNk0sWZTA17002uQa%3D&_qv_rmt2=0Qs65I9%2B149182HOQ%3D&_=1479010820769

http://h5vv.video.qq.com/getinfo?callback=txplayerJsonpCallBack_getinfo_591513&isHLS=false&charge=0&vid=y00221a60w7&defn=hd&defnpayver=1&otype=json&guid=29a06bf3852fbe2ea6eb53829c3878fa&platform=10901&sdtfrom=v1010&host=v.qq.com&_rnd=1479010822&fhdswitch=0&show1080p=1&_qv_rmt=sNk0sWZTA17002uQa%3D&_qv_rmt2=0Qs65I9%2B149182HOQ%3D&_=1479010820769
我们尝试构造各个请求参数，然后看看请求结果是什么样子的。

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params = {
    'isHLS': False,
    'charge': 0,
    'vid': 'y00221a60w7',
    'defn': 'shd',
    'defnpayver': 1,
    'otype': 'json',
    'platform': 10901,
    'sdtfrom': 'v1010',
    'host': 'v.qq.com',
    'fhdswitch': 0,
    'show1080p': 1,
}

参数中的defn为清晰度标识，可选值有sd（标清）、hd（高清）、shd（超清）、fhd（1080P）。请求结果如下：

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{
  "dltype": 1,
  "exem": 0,
  "fl": {
    "cnt": 4,
    "fi": [
      {
        "br": 20000,
        "cname": "高清;(480P)",
        "fs": 239935872,
        "id": 10412,
        "lmt": 0,
        "name": "hd",
        "sb": 1,
        "sl": 0
      },
      {
        "br": 500000,
        "cname": "蓝光;(1080P)",
        "fs": 1064110139,
        "id": 10409,
        "lmt": 1,
        "name": "fhd",
        "sb": 1,
        "sl": 0
      },
      {
        "br": 64,
        "cname": "标清;(270P)",
        "fs": 114567499,
        "id": 10403,
        "lmt": 0,
        "name": "sd",
        "sb": 1,
        "sl": 0
      },
      {
        "br": 500000,
        "cname": "超清;(720P)",
        "fs": 468471925,
        "id": 10401,
        "lmt": 0,
        "name": "shd",
        "sb": 1,
        "sl": 1
      }
    ]
  },
  "hs": 0,
  "ls": 0,
  "preview": 2746,
  "s": "o",
  "sfl": {
    "cnt": 0
  },
  "tm": 1479014650,
  "vl": {
    "cnt": 1,
    "vi": [
      {
        "br": 166,
        "ch": 0,
        "cl": {
          "ci": [
            {
              "cd": "300.032",
              "cmd5": "285464ac33c56b14caa63c466d4b4ed3",
              "cs": 56516869,
              "idx": 1,
              "keyid": "y00221a60w7.10401.1"
            },
            {
              "cd": "299.988",
              "cmd5": "6a9b0dedeb2ed7c73e5ad31418a9a6bc",
              "cs": 56364414,
              "idx": 2,
              "keyid": "y00221a60w7.10401.2"
            },
            {
              "cd": "299.988",
              "cmd5": "2181237427075dc219de8bdaa37ae64d",
              "cs": 50213590,
              "idx": 3,
              "keyid": "y00221a60w7.10401.3"
            },
            {
              "cd": "299.988",
              "cmd5": "ac17519a98640a1926f54bc48f5637fb",
              "cs": 37593039,
              "idx": 4,
              "keyid": "y00221a60w7.10401.4"
            },
            {
              "cd": "300.032",
              "cmd5": "546963ed0dcb3544373e8642eb2bb166",
              "cs": 54082931,
              "idx": 5,
              "keyid": "y00221a60w7.10401.5"
            },
            {
              "cd": "299.988",
              "cmd5": "f33ed88e9b94d4cb1c9c0fb5d3730f76",
              "cs": 43686678,
              "idx": 6,
              "keyid": "y00221a60w7.10401.6"
            },
            {
              "cd": "299.988",
              "cmd5": "a6a298f6122de6c09080ae78639c139c",
              "cs": 40800986,
              "idx": 7,
              "keyid": "y00221a60w7.10401.7"
            },
            {
              "cd": "299.988",
              "cmd5": "9454b637e3c913ebd1c880ac5e6cf973",
              "cs": 62436368,
              "idx": 8,
              "keyid": "y00221a60w7.10401.8"
            },
            {
              "cd": "346.837",
              "cmd5": "0fe50a2165b1ef7860627dbaf672d493",
              "cs": 68478324,
              "idx": 9,
              "keyid": "y00221a60w7.10401.9"
            }
          ],
          "fc": 9
        },
        "ct": 21600,
        "drm": 0,
        "dsb": 0,
        "fclip": 1,
        "fmd5": "18f937a9790f22a843e618fb5fd02583",
        "fn": "y00221a60w7.p401.mp4",
        "fs": 468471925,
        "fst": 5,
        "fvkey": "88980E6001844B3B7D98195D7077A1EA62310E41BD70C43F57AC6E80AFEB8E9EFD71201CBBB054F2CBFEC5EA8269BB141DB6933322FAA43AD3BB6AA62AD9FE2C2B2A321A639497AA6DF23492CF3B622E41A1C5C75F2DDEC7",
        "hevc": 0,
        "iflag": 0,
        "level": 0,
        "lnk": "y00221a60w7",
        "logo": 1,
        "pl": [
          {
            "cnt": 2,
            "pd": [
              {
                "c": 10,
                "cd": 10,
                "fmt": 40001,
                "fn": "q1",
                "h": 45,
                "r": 10,
                "url": "http://video.qpic.cn/video_caps/0/",
                "w": 80
              },
              {
                "c": 5,
                "cd": 10,
                "fmt": 40002,
                "fn": "q2",
                "h": 90,
                "r": 5,
                "url": "http://video.qpic.cn/video_caps/0/",
                "w": 160
              }
            ]
          }
        ],
        "share": 1,
        "sp": 0,
        "st": 2,
        "td": "2746.84",
        "ti": "咱们相爱吧_01",
        "type": 1136,
        "ul": {
          "ui": [
            {
              "dt": 2,
              "dtc": 10,
              "url": "http://124.193.165.208/vlive.qqvideo.tc.qq.com/",
              "vt": 203
            },
            {
              "dt": 2,
              "dtc": 10,
              "url": "http://124.193.165.209/vlive.qqvideo.tc.qq.com/",
              "vt": 203
            },
            {
              "dt": 2,
              "dtc": 10,
              "url": "http://124.193.165.210/vlive.qqvideo.tc.qq.com/",
              "vt": 203
            },
            {
              "dt": 2,
              "dtc": 10,
              "url": "http://video.dispatch.tc.qq.com/27099043/",
              "vt": 0
            }
          ]
        },
        "vh": 720,
        "vid": "y00221a60w7",
        "videotype": 2,
        "vst": 2,
        "vw": 1280
      }
    ]
  }
}

我们感兴趣的有三个列表：fi列表、ci列表、ui列表。

  • ui列表中的url是视频真实地址的前缀，选择ui列表第一个元素中的url即可。
  • fi列表列出了各个视频码流，每一项中的id是码流的编号，这个参数在后面会用到。
  • ci列表列出了各个分段的相关信息，各个分段信息中的keyid在后面会用到。

请求getkey接口

同样，在网络请求监测中发现getkey接口的请求是这样的：

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http://h5vv.video.qq.com/getkey?callback=txplayerJsonpCallBack_getkey_931033&&otype=json&vid=y00221a60w7&format=10401&filename=y00221a60w7.p401.4.mp4&platform=10901&vt=203&charge=0&_rnd=1479015483148&_=1479015476641

http://h5vv.video.qq.com/getkey?callback=txplayerJsonpCallBack_getkey_931033&&otype=json&vid=y00221a60w7&format=10401&filename=y00221a60w7.p401.4.mp4&platform=10901&vt=203&charge=0&_rnd=1479015483148&_=1479015476641

构造参数如下：

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params = {
    'otype': 'json',
    'vid': 'y00221a60w7',
    'format': 10401,
    'filename': 'y00221a60w7.p401.4.mp4',
    'platform': 10901,
    'vt': 217,
    'charge': 0,
}

参数中的vid为视频ID，format为码流的编号，filename根据分段信息中的keyid得来。以第四个分段为例，说说如何构造filename参数。第四个分段信息中的keyid为y00221a60w7.10401.4，我们将keyid中间的.10替换为.p，然后在末尾加上.mp4即可。

getkey接口的请求结果示例如下：

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{
  "br": 125315.14,
  "ct": 21600,
  "filename": "y00221a60w7.p401.mp4",
  "key": "AE6DC4B022C2A29C59D1A8E942787A2A54F64A5ABFCA7C99B51BD6539703D4F745DD2D77C3433ACAF1961BBFB6D84C1C717D23BEDCAF4DABC0D8BA2229F6C3464F59F0A10C5ED4CC25E355D9171DC65D411D6834BCA2DECD",
  "keyid": "y00221a60w7.10401.4",
  "level": 0,
  "levelvalid": 1,
  "s": "o",
  "sp": 0,
  "sr": 0
}

看！key粗来了。

构造视频真实地址

通过网络监测发现视频真实地址是像这样的：

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http://60.206.195.15/vlive.qqvideo.tc.qq.com/y00221a60w7.p401.4.mp4?sdtfrom=v1010&guid=29a06bf3852fbe2ea6eb53829c3878fa&vkey=6C5D63159598E6D217BA73F6F3335C0B80CECE2A4E889AFCDD8A391DB9C648059731AE9AD47BDA03B016F76E8B59D9DF0C2373CA32A4ADB935AEE0FE73ECE1C460DC01F6B733A5F38035AC289C44721F606C1ADF5AED4267

http://60.206.195.15/vlive.qqvideo.tc.qq.com/y00221a60w7.p401.4.mp4?sdtfrom=v1010&guid=29a06bf3852fbe2ea6eb53829c3878fa&vkey=6C5D63159598E6D217BA73F6F3335C0B80CECE2A4E889AFCDD8A391DB9C648059731AE9AD47BDA03B016F76E8B59D9DF0C2373CA32A4ADB935AEE0FE73ECE1C460DC01F6B733A5F38035AC289C44721F606C1ADF5AED4267
分析该地址的构造，不难发现，地址前缀在前面的ui列表中已经得到了，filename也计算出来了，vkey参数就是上面得到的key.

Python代码示例

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import requests
import json
 
vid = 'y00221a60w7' # replace with your vid
for definition in ('shd', 'hd', 'sd'):
    params = {
        'isHLS': False,
        'charge': 0,
        'vid': vid,
        'defn': definition,
        'defnpayver': 1,
        'otype': 'json',
        'platform': 10901,
        'sdtfrom': 'v1010',
        'host': 'v.qq.com',
        'fhdswitch': 0,
        'show1080p': 1,
    }
    r = requests.get('http://h5vv.video.qq.com/getinfo', params=params)
    data = json.loads(r.content[len('QZOutputJson='):-1])
 
    url_prefix = data['vl']['vi'][0]['ul']['ui'][0]['url']
    for stream in data['fl']['fi']:
        if stream['name'] != definition:
            continue
        stream_id = stream['id']
        urls = []
        for d in data['vl']['vi'][0]['cl']['ci']:
            keyid = d['keyid']
            filename = keyid.replace('.10', '.p', 1) + '.mp4'
            params = {
                'otype': 'json',
                'vid': vid,
                'format': stream_id,
                'filename': filename,
                'platform': 10901,
                'vt': 217,
                'charge': 0,
            }
            r = requests.get('http://h5vv.video.qq.com/getkey', params=params)
            data = json.loads(r.content[len('QZOutputJson='):-1])
            url = '%s/%s?sdtfrom=v1010&vkey=%s' % (url_prefix, filename, data['key'])
            urls.append(url)
 
        print 'stream:', stream['name']
        for url in urls:
            print url

参考文献

  • 腾讯视频的地址解析下载（简书，CSDN）
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