57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
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extern crate rscam;
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use fltk::{
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app::App,
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enums::ColorDepth,
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frame::Frame,
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prelude::{GroupExt, WidgetBase, WidgetExt},
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window::Window,
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};
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use rscam::{Camera, Config};
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use std::io;
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fn main() -> io::Result<()> {
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let app = App::default();
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let mut wind = Window::new(100, 100, 400, 300, "Hello from rust");
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let mut frame = Frame::default_fill();
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wind.end();
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wind.show();
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// app.run().unwrap();
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// 打开摄像头设备
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let mut camera = Camera::new("/dev/video0").unwrap();
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// 配置摄像头参数
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camera
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.start(&Config {
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interval: (1, 30), // 设置帧率为 30fps
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resolution: (640, 480), // 设置分辨率为 640x480
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format: b"MJPG", // 设置图像格式为 MJPG
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..Default::default()
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})
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.unwrap();
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loop {
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// 捕获一帧图像
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match camera.capture() {
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Ok(data) => {
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let img = image::load_from_memory(&data).unwrap();
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let rgb_data = img.to_rgb8();
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let fltk_image = fltk::image::RgbImage::new(
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&rgb_data.as_raw(),
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rgb_data.width() as i32,
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rgb_data.height() as i32,
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ColorDepth::Rgb8,
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)
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.unwrap();
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frame.set_image(Some(fltk_image));
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frame.redraw();
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}
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Err(e) => {
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eprintln!("捕获错误: {}", e);
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continue;
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}
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}
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app.wait();
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}
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}
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