媒体截图接口

func PostSnapshot() {
    c := getClient()
    PostSnapshotOpt := &cos.PostSnapshotOptions{
        Input: &cos.JobInput{
            Object: "input/test.mp4",
        },
        Time:   "1",
        Width:  128,
        Height: 128,
        Format: "png",
        Output: &cos.JobOutput{
            Region: "ap-chongqing",
            Bucket: "test-1234567890",
            Object: "test.mp4.png",
        },
    }
    PostSnapshotRes, _, err := c.CI.PostSnapshot(context.Background(), PostSnapshotOpt)
    log_status(err)
    fmt.Printf("%+v\\n", PostSnapshotRes)
}

func GetSnapshot() {
    c := getClient()
    opt := &cos.GetSnapshotOptions{
        Time: 3,
    }
    resp, err := c.CI.GetSnapshot(context.Background(), "input/test.mp4", opt)
    log_status(err)
    defer resp.Body.Close()

    fd, err := os.OpenFile("test.jpg", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0660)
    if err != nil {
        log_status(err)
    }
    _, err = io.Copy(fd, resp.Body)
    fd.Close()
    log_status(err)
}