UNTESTED! - Implement framegrabber
This commit is contained in:
parent
d16aa4fefb
commit
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GPG key ID:
61C1E13067E0018E
4 changed files with 423 additions and 6 deletions
312
Cargo.lock
generated
312
Cargo.lock
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@ -2,6 +2,17 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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@ -112,6 +123,17 @@ version = "4.4.0"
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@ -124,6 +146,12 @@ version = "1.1.0"
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@ -152,6 +180,15 @@ version = "1.3.2"
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@ -228,10 +265,32 @@ dependencies = [
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]
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"async-trait",
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"json5",
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"lazy_static",
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"nom",
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"pathdiff",
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"ron",
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"rust-ini",
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"serde",
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"serde_json",
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"toml",
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"yaml-rust",
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[[package]]
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name = "crossbeam-utils"
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@ -242,6 +301,16 @@ dependencies = [
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"cfg-if",
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@ -263,6 +332,22 @@ dependencies = [
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"syn 1.0.109",
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]
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[[package]]
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name = "digest"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
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dependencies = [
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"block-buffer",
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"crypto-common",
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[[package]]
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@ -424,6 +509,27 @@ dependencies = [
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"slab",
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]
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[[package]]
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name = "generic-array"
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"cfg-if",
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"libc",
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"wasi",
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[[package]]
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name = "glob"
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version = "0.3.1"
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"wasm-bindgen",
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[[package]]
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"windows-sys",
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[[package]]
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"wasm-bindgen",
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[[package]]
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[[package]]
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name = "kv-log-macro"
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"winapi",
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"regex",
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"libc",
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"windows-sys",
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]
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[[package]]
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[[package]]
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"syn 2.0.16",
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|
||||
checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
|
||||
|
||||
[[package]]
|
||||
name = "ucd-trie"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9e79c4d996edb816c91e4308506774452e55e95c3c9de07b6729e17e15a5ef81"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.8"
|
||||
|
|
@ -902,6 +1191,12 @@ version = "1.1.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.86"
|
||||
|
|
@ -1076,3 +1371,12 @@ name = "windows_x86_64_msvc"
|
|||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
|
||||
|
||||
[[package]]
|
||||
name = "yaml-rust"
|
||||
version = "0.4.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
|
||||
dependencies = [
|
||||
"linked-hash-map",
|
||||
]
|
||||
|
|
|
|||
|
|
@ -7,11 +7,12 @@ edition = "2021"
|
|||
|
||||
[dependencies]
|
||||
async-std = "1.12.0"
|
||||
configparser = "3.0.2"
|
||||
config = "0.13.3"
|
||||
derivative = "2.2.0"
|
||||
fern = "0.6.2"
|
||||
futures = "0.3.28"
|
||||
leptess = "0.14.0"
|
||||
log = "0.4.17"
|
||||
once_cell = "1.17.1"
|
||||
opencv = { version = "0.82.0", features = ["clang-runtime"] }
|
||||
rppal = "0.14.1"
|
||||
|
|
|
|||
|
|
@ -1 +0,0 @@
|
|||
|
||||
|
|
@ -0,0 +1,113 @@
|
|||
use std::{sync::Mutex, thread, collections::VecDeque};
|
||||
|
||||
use config::*;
|
||||
#[allow(unused_imports)]
|
||||
use opencv::{videoio::{VideoCapture, VideoCaptureTrait, CAP_PROP_FOURCC,
|
||||
CAP_ANY, VideoWriter, CAP_PROP_FRAME_WIDTH,
|
||||
CAP_PROP_FRAME_HEIGHT},
|
||||
imgproc::{THRESH_BINARY, COLOR_BGR2GRAY,threshold,cvt_color},
|
||||
core::{bitwise_and,Mat},
|
||||
highgui::{select_roi,imshow},
|
||||
imgcodecs::{imread,imwrite,imdecode}};
|
||||
#[allow(unused_imports)]
|
||||
use leptess::{leptonica::{pix_read,Pix},
|
||||
tesseract::TessApi};
|
||||
|
||||
const FRAME_WIDTH:i32 = 800;
|
||||
const FRAME_HEIGHT:i32 = 600;
|
||||
const MJPG_FOURCC_CODE:i32 = VideoWriter::fourcc('m','j','p','g').unwrap();
|
||||
|
||||
pub struct Camera{
|
||||
settings: Config,
|
||||
camera: FrameGrabber,
|
||||
name: String,
|
||||
ocr: TessApi,
|
||||
}
|
||||
|
||||
struct FrameGrabber{
|
||||
camera: VideoCapture,
|
||||
image_queue: Mutex<VecDeque<Mat>>,
|
||||
}
|
||||
|
||||
impl FrameGrabber{
|
||||
fn new(camera:VideoCapture, composite_frames:i64) -> Self{
|
||||
let mut output = Self{
|
||||
camera,
|
||||
image_queue: Mutex::new(VecDeque::with_capacity(composite_frames as usize))
|
||||
};
|
||||
thread::spawn(move||{
|
||||
loop {
|
||||
let mut image = Mat::default();
|
||||
let result = output.camera.read(&mut image);
|
||||
match result{
|
||||
Ok(true) => {
|
||||
let mut image_queue = *output.image_queue.lock().unwrap();
|
||||
if image_queue.len() == image_queue.capacity(){
|
||||
image_queue.pop_back();
|
||||
}
|
||||
image_queue.push_front(image);
|
||||
}
|
||||
_ => { break; }
|
||||
}
|
||||
}
|
||||
});
|
||||
return output;
|
||||
}
|
||||
|
||||
fn grab(&self, mut image:&Mat){
|
||||
let mut image_queue = *self.image_queue.lock().unwrap();
|
||||
image = &mut image_queue.pop_front().unwrap();
|
||||
}
|
||||
|
||||
fn burst(&self) -> Vec<Mat>{
|
||||
let mut image_queue = *self.image_queue.lock().unwrap();
|
||||
return image_queue.clone().into();
|
||||
}
|
||||
}
|
||||
|
||||
impl Camera{
|
||||
pub fn new(camera_name:String) -> Option<Self>{
|
||||
let defaults = Config::builder();
|
||||
defaults.set_default("crop x", 275);
|
||||
defaults.set_default("crop y", 200);
|
||||
defaults.set_default("crop width", 80);
|
||||
defaults.set_default("crop height", 50);
|
||||
defaults.set_default("threshold value", 50);
|
||||
defaults.set_default("composite frames", 5);
|
||||
defaults.set_default("active", true);
|
||||
let default = defaults.build().unwrap();
|
||||
|
||||
let settings = Config::builder().add_source(default).build().unwrap();
|
||||
|
||||
let mut camera = VideoCapture::from_file(&camera_name, CAP_ANY).unwrap();
|
||||
camera.set(CAP_PROP_FOURCC, MJPG_FOURCC_CODE as f64);
|
||||
camera.set(CAP_PROP_FRAME_WIDTH, FRAME_WIDTH as f64);
|
||||
camera.set(CAP_PROP_FRAME_HEIGHT, FRAME_HEIGHT as f64);
|
||||
if let result = camera.open_file(&camera_name, CAP_ANY){
|
||||
match result {
|
||||
Ok(_) => {},
|
||||
Err(error) => return None
|
||||
}
|
||||
};
|
||||
let frame_grabber = FrameGrabber::new(camera, settings.get_int("composite frames").unwrap_or(1));
|
||||
|
||||
let name = camera_name.split('-').last().unwrap().to_string();
|
||||
|
||||
let ocr = TessApi::new(Some("tessdata"), "Pro6_temp_test").unwrap();
|
||||
|
||||
Some(Self{
|
||||
settings,
|
||||
camera: frame_grabber,
|
||||
name,
|
||||
ocr,
|
||||
})
|
||||
}
|
||||
|
||||
fn take_picture(&mut self) -> Mat{
|
||||
let mut image = Mat::default();
|
||||
self.camera.grab(&mut image);
|
||||
let mut output = Mat::default();
|
||||
cvt_color(&mut image, &mut output, COLOR_BGR2GRAY, 0);
|
||||
return output;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue