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269 lines
12 KiB
Markdown
269 lines
12 KiB
Markdown
# 课程视频流URL
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- [获取课程视频流URL（web端）](#获取课程视频流URL（web端）)
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---
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<img src="/imgs/download.svg" width="100" height="100"/>
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## 获取课程视频流URL（web端）
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> http://api.bilibili.com/pugv/player/web/playurl
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*请求方式：GET*
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认证方式：Cookie（SESSDATA）
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**注：本接口为课程视频专用，故与普通视频不互通**
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---
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关于视频流会员鉴权：
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- 获取720P及以上清晰度视频时需要登录（Cookie）
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- 获取高帧率（1080P60）/高码率（1080P+）视频时需要有大会员的账号登录（Cookie）
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- 获取正式课程视频（非试看）时需要有已经购买的账号登录（Cookie）
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---
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获取的url有效时间为120min，超时失效需要重新获取
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**部分视频**会有**分段**，需要特别注意
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**url参数：**
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| 参数名 | 类型 | 内容 | 必要性 | 备注 |
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| ------ | ---- | -------------- | ------ | ------------------------------------------------------------ |
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| avid | num | 课程avID | 必要 | |
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| ep_id | num | 课程epID | 必要 | |
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| cid | num | 视频CID | 必要 | |
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| qn | num | 视频清晰度选择 | 非必要 | 未登录默认32（480P）<br />登录默认64（720P）<br />**值含义见下表** |
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| fourk | num | 是否允许4K视频 | 非必要 | 默认为0<br />画质最高1080P：0<br />画质最高4K：1 |
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分辨率代码：
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| 值 | 含义 |
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| ---- | ---------------------- |
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| 16 | 360P 流畅 |
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| 32 | 480P 清晰 |
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| 64 | 720P 高清（登录） |
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| 74 | 720P60 高清（大会员） |
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| 80 | 1080P 高清（登录） |
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| 112 | 1080P+ 高清（大会员） |
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| 116 | 1080P60 高清（大会员） |
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| 120 | 4K 超清（大会员） |
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**json回复：**
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根对象：
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| 字段 | 类型 | 内容 | 备注 |
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| ------- | ---- | -------- | ------------------------------------------------------------ |
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| code | num | 返回值 | 0：成功 <br />-400：请求错误<br />-404：无视频<br />-403：权限不足（未购买） |
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| message | str | 错误信息 | 默认为success |
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| data | obj | 数据本体 | |
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`data`对象：
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| 字段 | 类型 | 内容 | 备注 |
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| ------------------ | ------ | ---------------------- | ---------------------------------------- |
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| accept_format | str | 视频支持的分辨率的格式 | |
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| code | num | 0 | |
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| durl | array | 视频分段 | |
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| seek_param | str | start | |
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| no_rexcode | num | 0 | |
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| format | str | 视频格式 | |
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| fnval | num | 0 | |
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| video_project | bool | true | |
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| fnver | num | 0 | |
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| message | str | 空 | |
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| type | str | 视频格式 | |
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| accept_quality | array | 视频支持的分辨率列表 | |
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| quality | num | 视频分辨率代码 | **值含义见上表** |
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| timelength | num | 视频长度 | 单位为毫秒<br />不同分辨率可能有略微差异 |
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| result | str | suee | **作用尚不明确** |
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| seek_type | str | offset | **作用尚不明确** |
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| has_paid | bool | false | **作用尚不明确** |
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| supportFormats | array | 视频分辨率详细列表 | |
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| from | str | local | **作用尚不明确** |
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| video_codecid | num | ？？？ | **作用尚不明确** |
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| accept_description | array | 视频支持的分辨率列表 | |
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| status | num | 0 | **作用尚不明确** |
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`data`中的`durl`数组：
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| 项 | 类型 | 内容 | 备注 |
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| ---- | ---- | ----------------- | ---- |
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| 0 | obj | 视频分段1信息 | |
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| n | obj | 视频分段(n+1)信息 | |
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| …… | obj | …… | |
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`durl`数组中的对象：
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| 字段 | 类型 | 内容 | 备注 |
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| ---------- | ------ | ------------ | ---------------------------------- |
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| size | num | 视频大小 | 单位为Byte |
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| ahead | str | 空 | 作用尚不明确 |
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| length | num | 视频长度 | 单位为毫秒 |
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| vhead | str | 空 | 作用尚不明确 |
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| backup_url | array | 备用视频流 | |
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| url | str | 视频流url | 链接有效时间为120min |
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| order | num | 视频分段序号 | 某些视频会分为多个片段 |
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`durl`数组中的对象中的`backup_url`数组：
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| 项 | 类型 | 内容 | 备注 |
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| ---- | ---- | ------------- | ---------------- |
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| 0 | str | 备用视频流url | 有效时间为120min |
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`data`中的`supportFormats`数组：
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| 项 | 类型 | 内容 | 备注 |
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| ---- | ---- | ------------------- | ---- |
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| 0 | obj | 分辨率详细信息1 | |
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| n | obj | 分辨率详细信息(n+1) | |
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| …… | obj | …… | …… |
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`supportFormats`数组中的对象：
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| 字段 | 类型 | 内容 | 备注 |
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| ----------- | ---- | ---------- | ---- |
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| format | str | 分辨率名称 | |
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| description | atr | 分辨率备注 | |
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| quality | num | 分辨率代码 | |
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`data`中的`accept_description`数组：
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| 项 | 类型 | 内容 | 备注 |
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| ---- | ---- | --------------- | ---- |
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| 0 | str | 分辨率名称1 | |
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| n | str | 分辨率名称(n+1) | |
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| …… | str | …… | …… |
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**示例：**
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获取课程`ep790`（CID=`132105993`，avID=`76973173`）的视频流url，清晰度为1080P60
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```shell
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curl -G 'http://api.bilibili.com/pugv/player/web/playurl' \
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--data-urlencode 'ep_id=790' \
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--data-urlencode 'avid=76973173' \
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--data-urlencode 'cid=132105993' \
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--data-urlencode 'qn=116' \
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-b 'SESSDATA=xxx'
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```
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<details>
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<summary>查看响应示例：</summary>
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```json
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{
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"code": 0,
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"data": {
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"accept_format": "flv_p60,flv720_p60,flv,flv720,flv480,flv360",
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"code": 0,
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"durl": [
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{
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"size": 1105854161,
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"ahead": "",
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"length": 2222204,
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"vhead": "",
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"backup_url": [
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"https://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/93/59/132105993/132105993_da2-1-116.flv?e=ig8euxZM2rNcNbNghzTBhwdlhbNz7bUVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1591596728&gen=playurl&os=ks3cbv&oi=606633803&trid=76bea9a9e56f4cb89a9aff2f8213c9acu&platform=pc&upsig=b271bf493bff32ffe62969582c8d18b4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=0&orderid=1,2&logo=40000000"
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],
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"url": "https://upos-sz-mirrorks3.bilivideo.com/upgcxcode/93/59/132105993/132105993_da2-1-116.flv?e=ig8euxZM2rNcNbNghzTBhwdlhbNz7bUVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1591596728&gen=playurl&os=ks3bv&oi=606633803&trid=76bea9a9e56f4cb89a9aff2f8213c9acu&platform=pc&upsig=6a8ae3711bd0bb2a484ec2427d659b14&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=0&orderid=0,2&logo=80000000",
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"order": 1,
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"md5": ""
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}
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],
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"seek_param": "start",
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"no_rexcode": 0,
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"format": "flv_p60",
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"fnval": 0,
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"video_project": true,
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"fnver": 0,
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"message": "",
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"type": "FLV",
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"accept_quality": [
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116,
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74,
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80,
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64,
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32,
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16
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],
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"quality": 116,
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"timelength": 2222204,
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"result": "suee",
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"seek_type": "offset",
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"has_paid": false,
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"supportFormats": [
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{
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"format": "flv_p60",
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"description": "高清 1080P60",
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"quality": 116
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},
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{
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"format": "flv720_p60",
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"description": "高清 720P60",
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"quality": 74
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},
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{
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"format": "flv",
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"description": "高清 1080P",
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"quality": 80
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},
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{
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"format": "flv720",
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"description": "高清 720P",
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"quality": 64
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},
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{
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"format": "flv480",
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"description": "清晰 480P",
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"quality": 32
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},
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{
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"format": "flv360",
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"description": "流畅 360P",
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"quality": 16
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}
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],
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"from": "local",
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"video_codecid": 7,
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"accept_description": [
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"高清 1080P60",
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"高清 720P60",
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"高清 1080P",
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"高清 720P",
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"清晰 480P",
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"流畅 360P"
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],
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"status": 0
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},
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"message": "success"
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}
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```
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</details>
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## 视频的获取
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将`data`.`durl`.`[1-n]`.`url`或`data`.`durl`.`[1-n]`.`backup_url`.`[0]`中的内容作为url进行GET操作, 如果有多个视频, 需要手动合并处理
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需要验证请求`referer`为 `.bilibili.com`域名下（防盗链），且`user-agent` 不为空
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**referer或user-agent错误的情况会返回403 Forbidden**故无法获取
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**以上述视频url为例：**
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```shell
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wget 'https://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/93/59/132105993/132105993_da2-1-116.flv?e=ig8euxZM2rNcNbNghzTBhwdlhbNz7bUVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1591596728&gen=playurl&os=ks3cbv&oi=606633803&trid=76bea9a9e56f4cb89a9aff2f8213c9acu&platform=pc&upsig=b271bf493bff32ffe62969582c8d18b4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=0&orderid=1,2&logo=40000000' \
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-e 'https://www.bilibili.com' \
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-O 'Download_video.flv'
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```
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响应正文将返回一个flv文件 |