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视频流URL

视频为 DASH 或 MP4 流媒体,需调用取流 API 传参视频 id 获取

qn视频清晰度标识

注:该值在 DASH 格式下无效,因为 DASH 格式会取到所有分辨率的流地址

又注: B站对于新的视频更新了播放设置, 较高分辨率均采用 DASH, 较低分辨率与老视频还保留了 MP4, 这导致较新视频无法获取 MP4 格式的高分辨率视频, 参见 #606cv949156

含义 备注
6 240P 极速 仅 MP4 格式支持
platform=html5时有效
16 360P 流畅
32 480P 清晰
64 720P 高清 WEB 端默认值
B站前端需要登录才能选择,但是直接发送请求可以不登录就拿到 720P 的取流地址
无 720P 时则为 720P60
74 720P60 高帧率 登录认证
80 1080P 高清 TV 端与 APP 端默认值
登录认证
112 1080P+ 高码率 大会员认证
116 1080P60 高帧率 大会员认证
120 4K 超清 需要fnval&128=128fourk=1
大会员认证
125 HDR 真彩色 仅支持 DASH 格式
需要fnval&64=64
大会员认证
126 杜比视界 仅支持 DASH 格式
需要fnval&512=512
大会员认证
127 8K 超高清 仅支持 DASH 格式
需要fnval&1024=1024
大会员认证

例如:请求 1080P+ 的视频,则qn=112

fnver视频流版本标识

目前该值恒为 0,即fnver=0

fnval视频流格式标识

该代码为二进制属性位,如需组合功能需要使用OR运算结合一下数值

目前 FLV 格式已下线,应避免使用fnval=0

含义 备注
0 FLV 格式 FLV 格式已下线
仅 H.264 编码
部分老视频存在分段现象
与 MP4、DASH 格式互斥
1 MP4 格式 仅 H.264 编码
FLV、DASH 格式互斥
16 DASH 格式 与 MP4、FLV 格式互斥
64 是否需求 HDR 视频 需求 DASH 格式
仅 H.265 编码
需要qn=125
大会员认证
128 是否需求 4K 分辨率 该值与fourk字段协同作用
需要qn=120
大会员认证
256 是否需求杜比音频 需求 DASH 格式
大会员认证
512 是否需求杜比视界 需求 DASH 格式
大会员认证
1024 是否需求 8K 分辨率 需求 DASH 格式
需要qn=127
大会员认证
2048 是否需求 AV1 编码 需求 DASH 格式

例如:请求 DASH 格式,且需要 HDR 的视频流,则fnval=16|64=80

视频编码代码

含义 备注
7 AVC 编码 8K 视频不支持该格式
12 HEVC 编码
13 AV1 编码

视频伴音音质代码

含义
30216 64K
30232 132K
30280 192K
30250 杜比全景声
30251 Hi-Res无损

获取视频流地址_web端

https://api.bilibili.com/x/player/wbi/playurl

https://api.bilibili.com/x/player/playurl (旧链接)

请求方式:GET

认证方式:Cookie(SESSDATA)

鉴权方式:Wbi 签名


关于视频流会员鉴权:

  • 获取 720P 及以上清晰度视频时需要登录(Cookie)

  • 获取高帧率(1080P60)/ 高码率(1080P+)/ HDR / 杜比视界 视频时需要有大会员的账号登录(Cookie)

  • 获取会员专属视频时需要登录(Cookie)

  • 部分特殊视频(如平台宣传片、活动视频等)不需要大会员账号认证


获取 url 有效时间为 120min,超时失效需要重新获取

部分视频会有分段,需要特别注意(FLV 格式已下线,不可能出现分段

若视频有分P,仅为单P视频的 url,换P则需传参对应 CID 重新获取

url参数:

参数名 类型 内容 必要性 备注
avid num 稿件 avid 必要(可选) avid 与 bvid 任选一个
bvid str 稿件 bvid 必要(可选) avid 与 bvid 任选一个
cid num 视频 cid 必要
qn num 视频清晰度选择 非必要 未登录默认 32(480P),登录后默认 64(720P)
含义见 上表
DASH 格式时无效
fnval num 视频流格式标识 非必要 默认值为1(MP4 格式)
含义见 上表
fnver num 0 非必要
fourk num 是否允许 4K 视频 非必要 画质最高 1080P:0(默认)
画质最高 4K:1
session str 非必要 从视频播放页的 HTML 中设置 window.__playinfo__ 处获取,或者通过 buvid3 + 当前UNIX毫秒级时间戳 经过md5获取
otype str 非必要 固定为json
type str 非必要 目前为空
platform str 非必要 pc:web播放(默认值,视频流存在 referer鉴权)
html5:移动端 HTML5 播放(仅支持 MP4 格式,无 referer 鉴权可以直接使用video标签播放)
high_quality num 是否高画质 非必要 platform=html5时,此值为1可使画质为1080p

json回复:

根对象:

字段 类型 内容 备注
code num 返回值 0:成功
-400:请求错误
-404:无视频
message str 错误信息 默认为0
ttl num 1
data 有效时:obj
无效时:null
数据本体

data对象:

字段 类型 内容 备注
from str local
result str suee
message str 空?
quality num 清晰度标识 含义见 上表
format str 视频格式 mp4/flv
timelength num 视频长度 单位为毫秒
不同分辨率 / 格式可能有略微差异
accept_format str 支持的全部格式 每项用,分隔
accept_description array 支持的清晰度列表(文字说明)
accept_quality array 支持的清晰度列表(代码) 含义见 上表
video_codecid num 默认选择视频流的编码id 含义见 上表
seek_param str start
seek_type str offset(DASH / FLV)?
second(MP4)?
durl array 视频分段流信息 注:仅 FLV / MP4 格式存在此字段
dash obj DASH 流信息 注:仅 DASH 格式存在此字段
support_formats array 支持格式的详细信息
high_format null (?)
last_play_time num 上次播放进度 毫秒值
last_play_cid num 上次播放分P的 cid

data中的accept_description数组:

类型 内容 备注
0 str 分辨率名称1
n str 分辨率名称(n+1)
…… str ……

data中的accept_quality数组:

类型 内容 备注
0 num 分辨率代码1 含义见 上表
n num 分辨率代码(n+1)
…… num ……

data中的support_formats数组:

类型 内容 备注
0 obj 播放格式详细信息1
n obj 播放格式详细信息(n+1)
…… obj ……

support_formats数组中的对象:

字段 类型 内容 备注
quality num 视频清晰度代码 含义见 上表
format str 视频格式
new_description str 格式描述
display_desc str 格式描述
superscript str (?)
codecs array 可用编码格式列表

support_formats中的codecs数组:

类型 内容 备注
0 str 例:av01.0.13M.08.0.110.01.01.01.0 使用AV1编码
1 str 例子:avc1.640034 使用AVC编码
2 str 例子:hev1.1.6.L153.90 使用HEVC编码

由于 MP4 / FLV 与 DASH 格式的返回结构不同,以下内容需要分类讨论durldash字段的内容


FLV/MP4格式

data中的durl数组:

类型 内容 备注
0 obj 视频分段 1 信息 目前由于 FLV 格式已经下线,不会存在分段现象,故无需关心
n obj 视频分段 (n+1) 信息
…… obj ……

durl数组中的对象:

字段 类型 内容 备注
order num 视频分段序号 某些视频会分为多个片段(从1顺序增长)
length num 视频长度 单位为毫秒
size num 视频大小 单位为 Byte
ahead str (?)
vhead str (?)
url str 默认流 URL 注意 unicode 转义符
有效时间为120min
backup_url array 备用视频流

durl数组中的对象中的backup_url数组:

类型 内容 备注
0 str 备用流 URL 1 注意 unicode 转义符
有效时间为120min
n str 备用流 URL (n+1)
…… str ……

示例:

视频无分段时:

获取视频av99999999/BV1y7411Q7Eq中的 1P(cid=171776208)的视频流 URL,清晰度为 1080P+,使用 FLV 方式获取

avid方式:

curl -G 'https://api.bilibili.com/x/player/playurl' \
    --data-urlencode 'avid=99999999' \
    --data-urlencode 'cid=171776208' \
    --data-urlencode 'qn=112' \
    --data-urlencode 'fnval=0' \
    --data-urlencode 'fnver=0' \
    --data-urlencode 'fourk=1' \
    -b 'SESSDATA=xxx'

bvid方式:

curl -G 'https://api.bilibili.com/x/player/playurl' \
    --data-urlencode 'bvid=BV1y7411Q7Eq' \
    --data-urlencode 'cid=171776208' \
    --data-urlencode 'qn=112' \
    --data-urlencode 'fnval=0' \
    --data-urlencode 'fnver=0' \
    --data-urlencode 'fourk=1' \
    -b 'SESSDATA=xxx'
查看响应示例:
{
  "code": 0,
  "message": "0",
  "ttl": 1,
  "data": {
    "from": "local",
    "result": "suee",
    "message": "",
    "quality": 64,
    "format": "flv720",
    "timelength": 283801,
    "accept_format": "hdflv2,flv,flv720,flv480,mp4",
    "accept_description": [
      "高清 1080P+",
      "高清 1080P",
      "高清 720P",
      "清晰 480P",
      "流畅 360P"
    ],
    "accept_quality": [
      112,
      80,
      64,
      32,
      16
    ],
    "video_codecid": 7,
    "seek_param": "start",
    "seek_type": "offset",
    "durl": [
      {
        "order": 1,
        "length": 283801,
        "size": 70486426,
        "ahead": "",
        "vhead": "",
        "url": "https://upos-sz-mirrorcos.bilivideo.com/upgcxcode/08/62/171776208/171776208_nb2-1-64.flv?e=ig8euxZM2rNcNbNMnwdVhwdlhbK3hwdVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1662808778&gen=playurlv2&os=cosbv&oi=3719461929&trid=31dc1934e77141bfbdf5ae88aca0b29fu&mid=0&platform=pc&upsig=a4d5f1713e1ba313041d034a958c2414&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=0,3&agrr=1&bw=249068&logo=80000000",
        "backup_url": [
          "https://upos-sz-mirrorcos.bilivideo.com/upgcxcode/08/62/171776208/171776208_nb2-1-64.flv?e=ig8euxZM2rNcNbNMnwdVhwdlhbK3hwdVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1662808778&gen=playurlv2&os=cosbv&oi=3719461929&trid=31dc1934e77141bfbdf5ae88aca0b29fu&mid=0&platform=pc&upsig=a4d5f1713e1ba313041d034a958c2414&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&agrr=1&bw=249068&logo=40000000",
          "https://upos-sz-mirrorcosb.bilivideo.com/upgcxcode/08/62/171776208/171776208_nb2-1-64.flv?e=ig8euxZM2rNcNbNMnwdVhwdlhbK3hwdVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1662808778&gen=playurlv2&os=cosbbv&oi=3719461929&trid=31dc1934e77141bfbdf5ae88aca0b29fu&mid=0&platform=pc&upsig=7b8a6924948864944815ec0748cc108f&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&agrr=1&bw=249068&logo=40000000"
        ]
      }
    ],
    "support_formats": [
      {
        "quality": 112,
        "format": "hdflv2",
        "new_description": "1080P 高码率",
        "display_desc": "1080P",
        "superscript": "高码率",
        "codecs": null
      },
      {
        "quality": 80,
        "format": "flv",
        "new_description": "1080P 高清",
        "display_desc": "1080P",
        "superscript": "",
        "codecs": null
      },
      {
        "quality": 64,
        "format": "flv720",
        "new_description": "720P 高清",
        "display_desc": "720P",
        "superscript": "",
        "codecs": null
      },
      {
        "quality": 32,
        "format": "flv480",
        "new_description": "480P 清晰",
        "display_desc": "480P",
        "superscript": "",
        "codecs": null
      },
      {
        "quality": 16,
        "format": "mp4",
        "new_description": "360P 流畅",
        "display_desc": "360P",
        "superscript": "",
        "codecs": null
      }
    ],
    "high_format": null,
    "last_play_time": 0,
    "last_play_cid": 0
  }
}

视频有分段时:

以下内容无参考价值,仅做历史保存

查看响应示例:
{
    "code": 0,
    "message": "0",
    "ttl": 1,
    "data": {
        "from": "local",
        "result": "suee",
        "message": "",
        "quality": 16,
        "format": "flv360",
        "timelength": 1437918,
        "accept_format": "flv,flv720,flv480,flv360",
        "accept_description": [
            "高清 1080P",
            "高清 720P",
            "清晰 480P",
            "流畅 360P"
        ],
        "accept_quality": [
            80,
            64,
            32,
            16
        ],
        "video_codecid": 7,
        "seek_param": "start",
        "seek_type": "offset",
        "durl": [
            {
                "order": 1,
                "length": 364417,
                "size": 23018310,
                "ahead": "",
                "vhead": "",
                "url": "http://upos-sz-mirrorhw.bilivideo.com/upgcxcode/98/24/872498/872498-1-15.flv?e=ig8euxZM2rNcNbRB7zUVhoM17WuBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=hwbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=f99db2dc9b8c65c245515b29b9ca8b16&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=80000000",
                "backup_url": [
                    "http://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/98/24/872498/872498-1-15.flv?e=ig8euxZM2rNcNbRB7zUVhoM17WuBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=ks3cbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=74d0d62697364346f88d9c39430ce23c&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=40000000"
                ]
            },
            {
                "order": 2,
                "length": 364395,
                "size": 23694756,
                "ahead": "",
                "vhead": "",
                "url": "http://upos-sz-mirrorcos.bilivideo.com/upgcxcode/98/24/872498/872498-2-15.flv?e=ig8euxZM2rNcNbRjhbUVhoM17bNBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=cosbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=308c87c55f3325bdaac2a3e8632948ee&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=80000000",
                "backup_url": [
                    "http://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/98/24/872498/872498-2-15.flv?e=ig8euxZM2rNcNbRjhbUVhoM17bNBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=ks3cbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=eb8f043e0f36f82ab9c62fd002143438&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=40000000"
                ]
            },
            {
                "order": 3,
                "length": 352333,
                "size": 22835734,
                "ahead": "",
                "vhead": "",
                "url": "http://upos-sz-mirrorhw.bilivideo.com/upgcxcode/98/24/872498/872498-3-15.flv?e=ig8euxZM2rNcNbRjhwdVhoM17bdVhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=hwbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=2685b7649f4bb6eb90f986f125432d78&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=80000000",
                "backup_url": [
                    "http://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/98/24/872498/872498-3-15.flv?e=ig8euxZM2rNcNbRjhwdVhoM17bdVhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=ks3cbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=922543bfb26184f901187bf9c39c69b2&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=40000000"
                ]
            },
            {
                "order": 4,
                "length": 356773,
                "size": 23466279,
                "ahead": "",
                "vhead": "",
                "url": "http://upos-sz-mirrorkodo.bilivideo.com/upgcxcode/98/24/872498/872498-4-15.flv?e=ig8euxZM2rNcNbRjhbUVhoM17bNBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=kodobv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=9d29707faf012797ef2b6de21523fcf2&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=80000000",
                "backup_url": [
                    "http://upos-sz-mirrorks3c.bilivideo.com/upgcxcode/98/24/872498/872498-4-15.flv?e=ig8euxZM2rNcNbRjhbUVhoM17bNBhwdEto8g5X10ugNcXBlqNxHxNEVE5XREto8KqJZHUa6m5J0SqE85tZvEuENvNo8g2ENvNo8i8o859r1qXg8xNEVE5XREto8GuFGv2U7SuxI72X6fTr859r1qXg8gNEVE5XREto8z5JZC2X2gkX5L5F1eTX1jkXlsTXHeux_f2o859IB_&uipk=5&nbs=1&deadline=1589874109&gen=playurl&os=ks3cbv&oi=1965551630&trid=ceac015d41e04a7b90ec972db710524fu&platform=pc&upsig=9ad4524d31c8d9695ae07b400b73ed29&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=40000000"
                ]
            }
        ]
    }
}

DASH格式

data中的dash对象:

字段 类型 内容 备注
duration num 视频长度 秒值
minBufferTime num 1.5?
min_buffer_time num 1.5?
video array 视频流信息
audio array 伴音流信息 当视频没有音轨时,此项为 null
dolby obj 杜比全景声伴音信息
flac obj 无损音轨伴音信息 当视频没有无损音轨时,此项为 null

dash中的video数组:

类型 内容 备注
0 obj 视频码流 1 同一清晰度可拥有 H.264 / H.265 / AV1 多种码流
HDR 仅支持 H.265
n obj 视频码流(n+1)
…… obj ……

dash中的audio数组:

类型 内容 备注
0 obj 清晰度1
n obj 清晰度(n+1)
…… obj ……

videoaudio数组中的对象:

字段 类型 内容 备注
id num 音视频清晰度代码 参考上表
qn视频清晰度标识
视频伴音音质代码
baseUrl str 默认流 URL 注意 unicode 转义符
有效时间为 120min
base_url str 同上
backupUrl array 备用流 URL
backup_url array 同上
bandwidth num 所需最低带宽 单位为 Byte
mimeType str 格式 mimetype 类型
mime_type str 同上
codecs str 编码/音频类型 eg:avc1.640032
width num 视频宽度 单位为像素
仅视频流存在该字段
height num 视频高度 单位为像素
仅视频流存在该字段
frameRate str 视频帧率 仅视频流存在该字段
frame_rate str 同上
sar str Sample Aspect Ratio(单个像素的宽高比) 音频流该值恒为空
startWithSap num Stream Access Point(流媒体访问位点) 音频流该值恒为空
start_with_sap num 同上
SegmentBase obj 见下表 url 对应 m4s 文件中,头部的位置
音频流该值恒为空
segment_base obj 同上
codecid num 码流编码标识代码 含义见 上表
音频流该值恒为0

video数组中的对象中的backup_url数组:

类型 内容 备注
0 str 备用流 URL 1 注意 unicode 转义符
有效时间为120min
n str 备用流 URL (n+1)
…… str ……

video数组中的对象中的SegmentBase对象:

字段 类型 内容 备注
initialization str ${init_first}-${init_last} eg:0-821
ftyp (file type) box 加上 moov box 在 m4s 文件中的范围(单位为 bytes)
如 0-821 表示开头 820 个字节
index_range str ${sidx_first}-${sidx_last} eg:822-1309
sidx (segment index) box 在 m4s 文件中的范围(单位为 bytes)
sidx 的核心是一个数组,记录了各关键帧的时间戳及其在文件中的位置,
其作用是索引 (拖进度条)

常规 MP4 文件的索引信息放在 moov box 中,其中包含每一帧 (不止是关键帧) 的一些信息。在 DASH 方式下,关键帧信息移到了 sidx box 里,其他的则分散到了各个 moof (movie fragment) box 中。

对这里的文件结构感兴趣的,可以参考标准文档 ISO/IEC 14496-12,如果不想那么深入的话可以百度「MP4 文件结构

dash中的dolby对象:

此项为”杜比视界“视频独有

字段 类型 内容 备注
type num 杜比音效类型 1:普通杜比音效
2:全景杜比音效
audio array 杜比伴音流列表

dolby对象中的audio数组:

类型 内容 备注
0 obj 杜比伴音流信息 同上文 DASH 流中videoaudio数组中的对象

dash中的flac对象:

类型 内容 备注
display bool 是否在播放器显示切换Hi-Res无损音轨按钮
audio obj 音频流信息 同上文 DASH 流中videoaudio数组中的对象

示例:

获取视频av969628065/BV1rp4y1e745中的 1P(cid=244954665)的视频流 URL,使用 DASH 方式获取

avid 方式:

curl -G 'https://api.bilibili.com/x/player/playurl' \
    --data-urlencode 'avid=969628065' \
    --data-urlencode 'cid=244954665' \
    --data-urlencode 'qn=0' \
    --data-urlencode 'fnval=80' \
    --data-urlencode 'fnver=0' \
    --data-urlencode 'fourk=1' \
    -b 'SESSDATA=xxx'

bvid 方式:

curl -G 'https://api.bilibili.com/x/player/playurl' \
    --data-urlencode 'bvid=BV1rp4y1e745' \
    --data-urlencode 'cid=244954665' \
    --data-urlencode 'qn=0' \
    --data-urlencode 'fnval=80' \
    --data-urlencode 'fnver=0' \
    --data-urlencode 'fourk=1' \
    -b 'SESSDATA=xxx'
查看响应示例:
{
    "code": 0,
    "message": "0",
    "ttl": 1,
    "data": {
        "from": "local",
        "result": "suee",
        "message": "",
        "quality": 64,
        "format": "flv720_p60",
        "timelength": 346410,
        "accept_format": "hdflv2,hdflv2,flv_p60,flv,flv720_p60,flv480,mp4",
        "accept_description": [
            "真彩 HDR",
            "超清 4K",
            "高清 1080P60",
            "高清 1080P",
            "高清 720P60",
            "清晰 480P",
            "流畅 360P"
        ],
        "accept_quality": [
            125,
            120,
            116,
            80,
            64,
            32,
            16
        ],
        "video_codecid": 7,
        "seek_param": "start",
        "seek_type": "offset",
        "dash": {
            "duration": 347,
            "minBufferTime": 1.5,
            "min_buffer_time": 1.5,
            "video": [
                {
                    "id": 125,
                    "baseUrl": "https://cn-jxjj-ct-01-01.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=bcache&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=f144133cabdfca56ae3cb14e208aebe1&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&cdnid=4261&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=80000000",
                    "base_url": "https://cn-jxjj-ct-01-01.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=bcache&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=f144133cabdfca56ae3cb14e208aebe1&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&cdnid=4261&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=80000000",
                    "backupUrl": [
                        "https://upos-sz-estgoss.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=upos&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=adf8ac03ae8aaf0e18c0f4c3f0ff267c&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=40000000",
                        "https://upos-sz-mirrorali.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=alibv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=cffdcf6daf7f55c58bdb97737694363f&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=40000000"
                    ],
                    "backup_url": [
                        "https://upos-sz-estgoss.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=upos&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=adf8ac03ae8aaf0e18c0f4c3f0ff267c&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=40000000",
                        "https://upos-sz-mirrorali.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=alibv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=cffdcf6daf7f55c58bdb97737694363f&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=40000000"
                    ],
                    "bandwidth": 13799375,
                    "mimeType": "video/mp4",
                    "mime_type": "video/mp4",
                    "codecs": "hev1.2.4.L156.90",
                    "width": 3840,
                    "height": 1920,
                    "frameRate": "125",
                    "frame_rate": "125",
                    "sar": "1:1",
                    "startWithSap": 1,
                    "start_with_sap": 1,
                    "SegmentBase": {
                        "Initialization": "0-1066",
                        "indexRange": "1067-1926"
                    },
                    "segment_base": {
                        "initialization": "0-1066",
                        "index_range": "1067-1926"
                    },
                    "codecid": 12
                },
                {
                    "id": 120,
                    "baseUrl": "https://cn-jxjj-ct-01-01.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30120.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=bcache&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=704c0a56e544a9e5ba42813960780304&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&cdnid=4261&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=2124046&logo=80000000",
                    "base_url": "https://cn-jxjj-ct-01-01.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30120.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=bcache&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=704c0a56e544a9e5ba42813960780304&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&cdnid=4261&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=2124046&logo=80000000",
                    "backupUrl": [
                        "https://upos-sz-mirrorcoso1.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30120.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=coso1bv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=56ddf7293e93985ff0abdc8de74ddbea&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=2124046&logo=40000000",
                        "https://upos-sz-mirrorcos.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30120.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=cosbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=e35a421cf5209011191984cab0336ade&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=2124046&logo=40000000"
                    ],
                    "backup_url": [
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                    "backup_url": [
                        "https://upos-sz-estgoss.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30280.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=upos&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=71b057cb7399c7f7e94932446696c479&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=41220&logo=40000000",
                        "https://upos-sz-mirrorali.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30280.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=alibv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=e876c0a1b414c68f1e8a8c986e9de72e&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=41220&logo=40000000"
                    ],
                    "bandwidth": 329376,
                    "mimeType": "audio/mp4",
                    "mime_type": "audio/mp4",
                    "codecs": "mp4a.40.2",
                    "width": 0,
                    "height": 0,
                    "frameRate": "",
                    "frame_rate": "",
                    "sar": "",
                    "startWithSap": 0,
                    "start_with_sap": 0,
                    "SegmentBase": {
                        "Initialization": "0-907",
                        "indexRange": "908-1779"
                    },
                    "segment_base": {
                        "initialization": "0-907",
                        "index_range": "908-1779"
                    },
                    "codecid": 0
                },
                {
                    "id": 30216,
                    "baseUrl": "https://xy125x75x230x185xy.mcdn.bilivideo.cn:4483/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=mcdn&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=c61129748923407b50d98357e2925ec5&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&mcdnid=1002708&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=A0000001",
                    "base_url": "https://xy125x75x230x185xy.mcdn.bilivideo.cn:4483/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=mcdn&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=c61129748923407b50d98357e2925ec5&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&mcdnid=1002708&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=A0000001",
                    "backupUrl": [
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=733c928a078ae018899ebf9de87eecf4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=40000000",
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=733c928a078ae018899ebf9de87eecf4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=40000000"
                    ],
                    "backup_url": [
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=733c928a078ae018899ebf9de87eecf4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=40000000",
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=733c928a078ae018899ebf9de87eecf4&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=8419&logo=40000000"
                    ],
                    "bandwidth": 67279,
                    "mimeType": "audio/mp4",
                    "mime_type": "audio/mp4",
                    "codecs": "mp4a.40.2",
                    "width": 0,
                    "height": 0,
                    "frameRate": "",
                    "frame_rate": "",
                    "sar": "",
                    "startWithSap": 0,
                    "start_with_sap": 0,
                    "SegmentBase": {
                        "Initialization": "0-941",
                        "indexRange": "942-1813"
                    },
                    "segment_base": {
                        "initialization": "0-941",
                        "index_range": "942-1813"
                    },
                    "codecid": 0
                },
                {
                    "id": 30232,
                    "baseUrl": "https://xy125x75x230x185xy.mcdn.bilivideo.cn:4483/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=mcdn&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=6682acc0dc48f4ac7d397861c537feab&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&mcdnid=1002708&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=A0000001",
                    "base_url": "https://xy125x75x230x185xy.mcdn.bilivideo.cn:4483/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=mcdn&oi=606633952&trid=000077eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=6682acc0dc48f4ac7d397861c537feab&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&mcdnid=1002708&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=A0000001",
                    "backupUrl": [
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=80a5d0e507dddbe424c2394593bd9324&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=40000000",
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=80a5d0e507dddbe424c2394593bd9324&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=40000000"
                    ],
                    "backup_url": [
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=80a5d0e507dddbe424c2394593bd9324&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=1,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=40000000",
                        "https://upos-sz-mirror08ct.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30232.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674133321&gen=playurlv2&os=08ctbv&oi=606633952&trid=77eca41ddc4a4dc6926e971dfacc597cu&mid=293793435&platform=pc&upsig=80a5d0e507dddbe424c2394593bd9324&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&bvc=vod&nettype=0&orderid=2,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=16615&logo=40000000"
                    ],
                    "bandwidth": 132768,
                    "mimeType": "audio/mp4",
                    "mime_type": "audio/mp4",
                    "codecs": "mp4a.40.2",
                    "width": 0,
                    "height": 0,
                    "frameRate": "",
                    "frame_rate": "",
                    "sar": "",
                    "startWithSap": 0,
                    "start_with_sap": 0,
                    "SegmentBase": {
                        "Initialization": "0-907",
                        "indexRange": "908-1779"
                    },
                    "segment_base": {
                        "initialization": "0-907",
                        "index_range": "908-1779"
                    },
                    "codecid": 0
                }
            ],
            "dolby": {
                "type": 0,
                "audio": null
            },
            "flac": null
        },
        "support_formats": [
            {
                "quality": 125,
                "format": "hdflv2",
                "new_description": "HDR 真彩",
                "display_desc": "HDR",
                "superscript": "",
                "codecs": [
                    "hev1.2.4.L156.90"
                ]
            },
            {
                "quality": 120,
                "format": "hdflv2",
                "new_description": "4K 超清",
                "display_desc": "4K",
                "superscript": "",
                "codecs": [
                    "avc1.640034",
                    "hev1.1.6.L156.90"
                ]
            },
            {
                "quality": 116,
                "format": "flv_p60",
                "new_description": "1080P 60帧",
                "display_desc": "1080P",
                "superscript": "60帧",
                "codecs": [
                    "avc1.640032",
                    "hev1.1.6.L150.90"
                ]
            },
            {
                "quality": 80,
                "format": "flv",
                "new_description": "1080P 高清",
                "display_desc": "1080P",
                "superscript": "",
                "codecs": [
                    "avc1.640032",
                    "hev1.1.6.L150.90"
                ]
            },
            {
                "quality": 64,
                "format": "flv720_p60",
                "new_description": "720P 60帧",
                "display_desc": "720P",
                "superscript": "60帧",
                "codecs": [
                    "avc1.640028",
                    "hev1.1.6.L120.90"
                ]
            },
            {
                "quality": 32,
                "format": "flv480",
                "new_description": "480P 清晰",
                "display_desc": "480P",
                "superscript": "",
                "codecs": [
                    "avc1.64001F",
                    "hev1.1.6.L120.90"
                ]
            },
            {
                "quality": 16,
                "format": "mp4",
                "new_description": "360P 流畅",
                "display_desc": "360P",
                "superscript": "",
                "codecs": [
                    "avc1.64001E",
                    "hev1.1.6.L120.90"
                ]
            }
        ],
        "high_format": null,
        "last_play_time": 0,
        "last_play_cid": 0
    }
}

视频取流说明

关于拉流:

  1. MP4 / FLV 格式仅需拉视频流,DASH 格式需同时拉视频与伴音流
  2. 如 DASH 格式需要杜比或无损的伴音,需要取对应dolbyflac字段中的流
  3. 注意 Unicode 转义符

关于分段:

FLV 格式可能产生分段情况,将$.data.durl[1-n].url$.data.durl[1-n].backup_url[0]中的内容作为 URL 进行 GET 请求进行分段播放,如需下载需要合并(FLV 格式已下线,不会存在分段现象)

关于鉴权:

  1. WEB 端取流需要验证防盗链,即referer.bilibili.com域名下且 UA 不能为空
  2. APP 端也需要验证防盗链,即 UA 需要含有Mozilla/5.0 BiliDroid/*.*.* ([email protected])(*为版本)
  3. referer或 UA 错误的情况会被判定为盗链,返回403 Forbidden故无法取流
  4. 若传platform=html5参数取流,则不会进行防盗链验证,即可通过 HTML 标签<video>播放

实例:

下载 FLV / MP4 格式视频:

wget 'http://upos-sz-mirrorhw.bilivideo.com/upgcxcode/08/62/171776208/171776208-1-112.flv?e=ig8euxZM2rNcNbhMnwhVhwdlhzK3hzdVhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1589565412&gen=playurl&os=hwbv&oi=606631998&trid=e0fa5f9a7610440a871279a28fae85aau&platform=pc&upsig=5f469cb4c190ed54b89bd40cc37eddff&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=293793435&logo=80000000' \
    -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
    --referer 'https://www.bilibili.com' \
    -O 'Download_video.flv'

下载 DASH 格式视频:

# 下载视频流
wget 'https://cn-jxjj-ct-01-01.bilivideo.com/upgcxcode/65/46/244954665/244954665_f9-1-30125.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674137769&gen=playurlv2&os=bcache&oi=606633952&trid=0000524e9cc80dea41dca72b59782270b5d3u&mid=293793435&platform=pc&upsig=c4206c80b1d0dc18c0545a7758d56eee&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&cdnid=4261&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=1726751&logo=80000000' \
    -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
    --referer 'https://www.bilibili.com' \
    -O 'video.m4s'
# 下载伴音流
wget 'https://xy125x75x230x185xy.mcdn.bilivideo.cn:4483/upgcxcode/65/46/244954665/244954665_f9-1-30280.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1674137769&gen=playurlv2&os=mcdn&oi=606633952&trid=0000524e9cc80dea41dca72b59782270b5d3u&mid=293793435&platform=pc&upsig=e5feff4626de4c6fd2ed9c6061c324a0&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,mid,platform&mcdnid=1002708&bvc=vod&nettype=0&orderid=0,3&buvid=EC1BD8EA-88F6-4951-BF27-2CFE3450C78F167646infoc&build=0&agrr=0&bw=41220&logo=A0000001' \
    -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"
    --referer 'https://www.bilibili.com' \
    -O 'audio.m4s'
# 进行混流
ffmpeg -i video.m4s -i audio.m4s -c:v copy -c:a copy -f mp4 Download_video.mp4