获取隐藏式字幕“cc"用于 Youtube 视频 [英] Get closed caption "cc" for Youtube video
问题描述
有人知道如何为任何有字幕的 Youtube 视频获取 CC 吗?我知道 API 2.0 文档中提到它仅适用于视频的所有者......但即使我不是任何视频的所有者，我也能够获得视频的一些标题......
Does any one know how to get the CC for any Youtube video that has the caption available? I know on the API 2.0 documentation mentions that it is only available for the owner of the video... but I was able to get some of the video's caption even though I'm not the owner of any....
有两个 API(或 API 链接)可以使用.他们都败给了 timpedtext API.在我提到它们之前，我们应该注意 API 需要的参数.分别是:
There are two APIs (or links to API) can be used. they both rout to timpedtext API. before I mention them we should note the parameters the API need. which are:
lang: {en, fr,...}必需.v:{视频 ID}必需.name:曲目名称，只有设置时才需要.(这是我的问题.)tlang:翻译成语言.可选(如果您想将 CC 翻译成其他语言，应设置.
lang: {en, fr,...}required.v: {video ID}required.name: the track name, Required only if it is set. (and with this is my problem.)tlang: translation to language. optional (should be set if you like to translate the CC to other language.
API 链接是:
http://video.google.com/timedtext?lang=fr&v=PILzP-bIeLo&name=french请注意，如果您删除 name=French 或将其设置为其他内容，上述示例将不会返回任何内容...
http://video.google.com/timedtext?lang=fr&v=PILzP-bIeLo&name=french Note the above example would return nothing if you remove the name=French or set it to something else...
http://www.youtube.com/api/timedtext?v=zzfCVBSsvqA&lang=en请注意，如果您将 name=...
http://www.youtube.com/api/timedtext?v=zzfCVBSsvqA&lang=en Note this example would return nothing if you set the name=...
http://www.youtube.com/api/timedtext?v=ZdP0KM49IVk&lang=en但实际的视频有字幕.
示例 3 不返回 CC 数据.
Example 3 does not return the CC data.
所以我猜测示例 3 需要设置名称参数.我的主要问题是如果设置了名称参数，我如何找到它.如果设置了，我怎么知道它是什么?
So I'm guessing that example 3 need to have the name parameter set. and my main problem is how do I find the name parameter if it is set or not. and if it is set how do I know what is it?
推荐答案
[update]:这是首选方法，直到谷歌最近停止使用它(截至 2021 年 12 月).
[update]: This was the preferred method until google recently discontinued it (writing as of dec 2021).
您的第一个示例应该可以在没有 name= 部分的情况下工作.这为我完成了工作:
Your first example should work without the name= part. This did the job for me:
video.google.com/timedtext?lang={languageID}&v={videoId}
要从上一个答案中获取英文 CC 版本，它看起来像这样:
To fetch the english CC version from the previous answer, it would look like this:
http://video.google.com/timedtext?lang=en&v=zzfCVBSsvqA
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