Qiniu cloud client uploads video

Could you tell me whether the client directly uploads videos to the qiniu side on Android or IOS, or first requests to the background, then, the backend is connected to qiniu cloud. Can you tell me whether the client uploads videos to the qiniu side directly on Android or IOS, or if you first request the video to the backend, then the backend is connected to qiniu cloud?

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Could you tell me whether the client directly uploads videos to the qiniu side on Android or IOS, or first requests to the background, and then the background is connected to qiniu cloud?

Upload qiniu directly, and then notify you of the background information on the document.

Http://developer.qiniu.com/code/v7/sdk/php.html#upload-callback this is php sdk instructions
Http://developer.qiniu.com/article/developer/programming-model.html#workflow. This is the process description.
Http://developer.qiniu.com/article/developer/security/put-policy.html, this should be an upload policy that can be configured with something

Read the document. I just got to know it.

The client directly uploads a credential to my server.

If it is a local video, you do not need to upload it from the background. You only need to generate your own token and then you can directly upload it.