44 lines
1.0 KiB
Rust
44 lines
1.0 KiB
Rust
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use std::{
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io::Cursor,
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time::{Duration, SystemTime},
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};
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use keyfork_zbar::{image::Image, image_scanner::ImageScanner};
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use image::io::Reader as ImageReader;
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use v4l::{
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buffer::Type,
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io::{traits::CaptureStream, userptr::Stream},
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Device,
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};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let device = Device::new(0)?;
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let mut stream = Stream::with_buffers(&device, Type::VideoCapture, 4)?;
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let start = SystemTime::now();
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let mut scanner = ImageScanner::new();
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while SystemTime::now()
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.duration_since(start)
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.unwrap_or(Duration::from_secs(0))
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< Duration::from_secs(30)
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{
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let (buffer, _) = stream.next()?;
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let image = Image::from(
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ImageReader::new(Cursor::new(buffer))
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.with_guessed_format()?
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.decode()?,
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);
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for symbol in scanner.scan_image(&image) {
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println!("{}", String::from_utf8_lossy(symbol.data()));
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return Ok(());
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}
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}
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println!("Could not find a QR code");
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Ok(())
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}
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