Method open

rustcv-camera/src/videocapture.rs:48–51

Open a camera by device index with default settings. 按设备索引使用默认设置打开摄像头。 Default: 640x480, 30fps, auto format. 默认：640x480，30fps，自动格式。

(index: u32)

    /// Default: 640x480, 30fps, auto format.
    /// 默认：640x480，30fps，自动格式。
    pub fn open(index: u32) -> Result<Self> {
        let camera = Camera::open(index)?;
        Ok(Self { camera })
    }

    /// Open a camera with custom configuration.
    /// 使用自定义配置打开摄像头。