如何通过在 C# 中调用 YouTube API 来获取所有 Youtube 视频的持续时间

Question

我想在调用后获取列表中每个视频的时长youtubeService.Search.List("snippet"); 以下是我的代码

var youtubeService = new YouTubeService(new BaseClientService.Initializer()
            {
                ApiKey = "API Key",
                ApplicationName = this.GetType().ToString()
            });

            var searchListRequest = youtubeService.Search.List("snippet");
            searchListRequest.MaxResults = 30;
            var searchListResponse = searchListRequest.Execute();

我看到视频的内容详情中有时长，但每个视频的内容详情都是空的。

Answer 1

检查 search.list you will see that it returns a list of search#resource

的文档后

{
  "kind": "youtube#searchResult",
  "etag": etag,
  "id": {
    "kind": string,
    "videoId": string,
    "channelId": string,
    "playlistId": string
  },
  "snippet": {
    "publishedAt": datetime,
    "channelId": string,
    "title": string,
    "description": string,
    "thumbnails": {
      (key): {
        "url": string,
        "width": unsigned integer,
        "height": unsigned integer
      }
    },
    "channelTitle": string,
    "liveBroadcastContent": string
  }
}

其中不包含有关视频持续时间的任何信息。此方法似乎没有返回您要查找的信息。

视频列表

只有 videos.list which contains a video.resource 会为您提供视频的时长

 {
      "kind": "youtube#video",
      "etag": "U-t7IORpXf52WZSn6hBzfgm6WLo",
      "id": "XOIZZEdfrfA",
      "contentDetails": {
        "duration": "PT8M51S",
        "dimension": "2d",
        "definition": "hd",
        "caption": "false",
        "licensedContent": true,
        "contentRating": {},
        "projection": "rectangular"
      }