Method new

rustcv-camera/src/backend/macos/mod.rs:112–117

Create a new (uninitialized) AVFoundation backend. 创建新的（未初始化的）AVFoundation 后端。

()

    /// Create a new (uninitialized) AVFoundation backend.
    /// 创建新的（未初始化的）AVFoundation 后端。
    pub fn new() -> Self {
        Self {
            cam: std::ptr::null_mut(),
            frame_buf: Vec::new(),
        }
    }

    /// Open the camera device at `index` (embedded in the `device` string).
    /// 打开 `device` 字符串中 `index` 指定的摄像头设备。