From c29499d9b03ac184da271e888882e35dcbdd1ce9 Mon Sep 17 00:00:00 2001
From: devdesk <tami@tami.org.il>
Date: Fri, 16 Feb 2024 00:41:39 +0200
Subject: [PATCH] to fifo and gst-launch

---
 examples/live.rs | 82 ++++++++++++++++++++++++++++++++++++++++++++++++
 read_gst.sh      |  6 ++++
 2 files changed, 88 insertions(+)
 create mode 100644 examples/live.rs
 create mode 100755 read_gst.sh

diff --git a/examples/live.rs b/examples/live.rs
new file mode 100644
index 0000000..811e2ca
--- /dev/null
+++ b/examples/live.rs
@@ -0,0 +1,82 @@
+use indicatif::ProgressBar;
+use std::fs::File;
+use std::io::Write;
+use thermaldecoder::{write_raw_frame, Frame, Header, HDR_SIZE};
+
+// fn main() -> Result<(), eframe::Error> {
+//     env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
+//     let options = eframe::NativeOptions {
+//         viewport: egui::ViewportBuilder::default().with_inner_size([600.0, 800.0]),
+//         ..Default::default()
+//     };
+//     let (sender, receiver) = crossbeam::channel::unbounded();
+//     eframe::run_native(
+//         "Image Viewer",
+//         options,
+//         Box::new(|cc| {
+//             // This gives us image support:
+//             egui_extras::install_image_loaders(&cc.egui_ctx);
+//             Box::<MyApp>::default()
+//         }),
+//     )
+// }
+
+// #[derive(Default)]
+// struct MyApp {}
+
+// impl eframe::App for MyApp {
+//     fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+//         egui::CentralPanel::default().show(ctx, |ui| {
+//             egui::ScrollArea::both().show(ui, |ui| {
+//                 ui.add(egui::Image::new().rounding(10.0));
+
+//                 ui.image(egui::include_image!("ferris.svg"));
+//             });
+//         });
+//     }
+// }
+
+fn main() -> anyhow::Result<()> {
+    // get the default Device
+    let device = pcap::Device::lookup()
+        .expect("device lookup failed")
+        .expect("no device available");
+    println!("Using device {}", device.name);
+
+    // Setup Capture
+    let mut cap = pcap::Capture::from_device(device)
+        .unwrap()
+        .immediate_mode(true)
+        .open()
+        .unwrap();
+
+    // get a packet and print its bytes
+    let mut parts = vec![];
+    let pb = ProgressBar::new(1024);
+    let mut out = File::create("output.raw")?;
+    while let Ok(p) = cap.next_packet() {
+        let data = p.data;
+        if data.len() != 6972 {
+            continue;
+        }
+        let data = &data[0x2a..];
+        let header = match Header::read(data) {
+            Ok(header) => header,
+            Err(_) => continue,
+        };
+        let data = &data[HDR_SIZE..];
+        if header.part == 0 && parts.len() > 0 {
+            let frame = Frame {
+                header,
+                raw: parts.concat(),
+            };
+            if frame.raw.len() == 384 * 288 * 2 {
+                out.write_all(&frame.raw)?;
+                pb.inc(1);
+            }
+            parts.clear();
+        }
+        parts.push(data.to_vec());
+    }
+    Ok(())
+}
diff --git a/read_gst.sh b/read_gst.sh
new file mode 100755
index 0000000..b572932
--- /dev/null
+++ b/read_gst.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+export GST_DEBUG_DUMP_DOT_DIR=$(pwd)
+gst-launch-1.0 filesrc location=output.raw \
+	! rawvideoparse use_sink_caps=false height=384 width=288 format=gray16-be \
+	! videoconvertscale \
+	! autovideosink