{"action":"opened","issue":{"url":"https://api.github.com/repos/qiniu/ruby-sdk/issues/166","repository_url":"https://api.github.com/repos/qiniu/ruby-sdk","labels_url":"https://api.github.com/repos/qiniu/ruby-sdk/issues/166/labels{/name}","comments_url":"https://api.github.com/repos/qiniu/ruby-sdk/issues/166/comments","events_url":"https://api.github.com/repos/qiniu/ruby-sdk/issues/166/events","html_url":"https://github.com/qiniu/ruby-sdk/issues/166","id":167773559,"number":166,"title":"vframe操作是否有缓存","user":{"login":"happyming9527","id":13719062,"avatar_url":"https://avatars.githubusercontent.com/u/13719062?v=3","gravatar_id":"","url":"https://api.github.com/users/happyming9527","html_url":"https://github.com/happyming9527","followers_url":"https://api.github.com/users/happyming9527/followers","following_url":"https://api.github.com/users/happyming9527/following{/other_user}","gists_url":"https://api.github.com/users/happyming9527/gists{/gist_id}","starred_url":"https://api.github.com/users/happyming9527/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/happyming9527/subscriptions","organizations_url":"https://api.github.com/users/happyming9527/orgs","repos_url":"https://api.github.com/users/happyming9527/repos","events_url":"https://api.github.com/users/happyming9527/events{/privacy}","received_events_url":"https://api.github.com/users/happyming9527/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-07-27T05:24:12Z","updated_at":"2016-07-27T05:24:12Z","closed_at":null,"body":"@lidaobing @ledowong 我在你们fetch方法的例子中,看到saveas的操作,这个意思是截帧服务是耗时操作,截取之后需要保存,下次直接访问这个保存的截图,以此来加快访问截图的速度么?\r\n请问视频截帧能否像图片一样,通过在视频的访问url后面加上vframe的参数来访问?如果可以的话,这种访问的方式,是否有缓存?还是说每次访问都会去进行耗时的截帧操作?"}}
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