YouTube URL 参数问题。 YouTube 不使用 HTTP 范围

问题描述 投票:0回答:2

我想了解 YouTube 视频的所有参数,因为 YouTube 现在不使用 HTTP 范围元素,而是在其 URL 内使用自己的范围参数,因此我无法使用 Wireshark 进行会话,因为我看到了很多 HTTP video/x-flv 为 200 ok,因此我的播放器在读取 HTTP 响应及其范围时无法将它们关联起来。以下是 YouTube 为单个视频发送的示例 URL。有没有可用的文档?

GET /videoplayback?算法=节流系数&突发=40&cp=U0hTTldOVF9FUUNOM19PSFhIOnBNNjJuUGVsZDZU&expire=1349736707&factor=1.25&fexp=922401%2C920704%2C912806%2C900711%2C913546 %2C913556%2C925109%2C919003%2C920201%2C912706%2C900816&id=ee88421fc6a3f768&ip=90.84.144.49&ipbits=8&itag =34&keepalive=yes&key=yt1&ms=au&mt=1349713452&mv=m&newshard=yes&范围=13-1781759&signature=84690C3B43F6FFBDD69E0E7009D0A6436946D642.904ADA59891 696B5D1411665853784438D9E35D4&source=youtube&sparams=算法%2Cburst%2Ccp%2Cfactor%2Cid%2Cip%2Cipbits%2Citag%2Csource%2Cupn %2Cexpire&sver=3&upn=fc55lw1im0s HTTP/1.1

GET /videoplayback?算法=节流系数&突发=40&cp=U0hTTldOVF9FUUNOM19PSFhIOnBNNjJuUGVsZDZU&expire=1349736707&factor=1.25&fexp=922401%2C920704%2C912806%2C900711%2C913546 %2C913556%2C925109%2C919003%2C920201%2C912706%2C900816&id=ee88421fc6a3f768&ip=90.84.144.49&ipbits=8&itag =34&keepalive=yes&key=yt1&ms=au&mt=1349713563&mv=m&newshard=yes&范围=10690560-12472319&signature=84690C3B43F6FFBDD69E0E7009D0A6436946D642.90 4ADA59891696B5D1411665853784438D9E35D4&source=youtube&sparams=算法%2Cburst%2Ccp%2Cfactor%2Cid%2Cip%2Cipbits%2Citag%2Csource%2Cupn %2Cexpire&sver=3&upn=fc55lw1im0s&redirect_counter=1&cms_redirect=是 HTTP/1.1

GET /videoplayback?算法=节流系数&突发=40&cp=U0hTTldOVF9FUUNOM19PSFhIOnBNNjJuUGVsZDZU&expire=1349736707&factor=1.25&fexp=922401%2C920704%2C912806%2C900711%2C913546 %2C913556%2C925109%2C919003%2C920201%2C912706%2C900816&id=ee88421fc6a3f768&ip=90.84.144.49&ipbits=8&itag =34&keepalive=yes&key=yt1&ms=au&mt=1349713452&mv=m&newshard=yes&范围=12472320-14254079&signature=84690C3B43F6FFBDD69E0E7009D0A6436946D642.90 4ADA59891696B5D1411665853784438D9E35D4&source=youtube&sparams=算法%2Cburst%2Ccp%2Cfactor%2Cid%2Cip%2Cipbits%2Citag%2Csource%2Cupn %2Cexpire&sver=3&upn=fc55lw1im0s HTTP/1.1

youtube youtube-api
2个回答
1
投票

对于您的问题,请参阅此线程

Youtube 流媒体工作提供由范围参数控制的 1.7MB 块,该参数指示 [起始字节]-[结束字节]。

我也在询问类似的问题这里


0
投票

没有关于此类事情的文档,从开发人员的角度来看,视频流通常被视为“黑匣子”。

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