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Media Screenshot APIs

Last updated: 2022-05-24 16:41:42

    Overview

    This document provides an overview of APIs and SDK code samples for media screenshot.

    API Operation Description
    GetSnapshot Querying screenshot Query the screenshot of media file at some time point

    Querying Screenshot

    Feature description

    This API is used to query the screenshot of a media file at some time point.

    Note:

    The COS Go SDK version must be at least v0.7.32.

    Method prototype

    func (s *CIService) GetSnapshot(ctx context.Context, name string, opt *GetSnapshotOptions, id ...string) (*Response, error)
    

    Sample request

    opt := &cos.GetSnapshotOptions{
    Time: 1,
    } 
    resp, err := c.CI.GetSnapshot(context.Background(), "test.mp4", opt)
    if err != nil {
       // ERROR
    }
     
    fd, err := os.OpenFile("test.jpg", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0660)
    if err != nil {
       // ERROR
    } 
    _, err = io.Copy(fd, resp.Body)
    fd.Close()
    

    Parameter description

    type GetSnapshotOptions struct {
      Time   float32 
      Height int 
      Width  int  
      Format string
      Rotate string
      Mode   string
    }
    
    Parameter Description Required Type
    name Unique identifier of the object in the bucket. For example, if an object's access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg. Yes name
    opt Screenshot parameter. No struct
    id Object VersionId for versioning. No String
    Time Screenshot time point in seconds. Yes float
    Width Screenshot width. Default value: 0. No Int
    Height Screenshot height. Default value: 0. If width and height are both 0, the width and height of the video are used. If one of them is 0, the other value is used to automatically adapt to the aspect ratio of the video. No Int
    Format Screenshot format. Valid values: jpg, png. Default value: jpg. No String
    Rotate Image rotation method. auto: Rotate automatically according to the video rotation information. off: Do not rotate. Default value: auto. No String
    Mode Frame capturing method. keyframe: Capture the last keyframe before the specified time point. exactframe: Capture the frame at a specified time point. Default value: exactframe. No String

    Response description

    Parameter Description Required Type
    Response HTTP response. Yes Struct
    Response.Header HTTP response header. Yes Struct
    Response.Body HTTP response body. Yes Struct
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