Cargo.lock

@@ -168,54 +168,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "anstream"
-version = "0.6.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96b09b5178381e0874812a9b157f7fe84982617e48f71f4e3235482775e5b540"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
-
-[[package]]
-name = "anstyle-parse"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
-dependencies = [
- "anstyle",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "anyhow"
 version = "1.0.77"
@@ -763,46 +715,6 @@ dependencies = [
  "libloading 0.8.1",
 ]
 
-[[package]]
-name = "clap"
-version = "4.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c918d541ef2913577a0f9566e9ce27cb35b6df072075769e0b26cb5a554520da"
-dependencies = [
- "clap_builder",
- "clap_derive",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f3e7391dad68afb0c2ede1bf619f579a3dc9c2ec67f089baa397123a2f3d1eb"
-dependencies = [
- "anstream",
- "anstyle",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_derive"
-version = "4.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "307bc0538d5f0f83b8248db3087aa92fe504e4691294d0c96c0eabc33f47ba47"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn 2.0.48",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
-
 [[package]]
 name = "clipboard-win"
 version = "5.1.0"
@@ -858,12 +770,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
 
-[[package]]
-name = "colorchoice"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
-
 [[package]]
 name = "com"
 version = "0.6.0"
@@ -3019,12 +2925,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
-[[package]]
-name = "strsim"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
-
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -3079,7 +2979,6 @@ name = "thermaldecoder"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "clap",
  "crossbeam",
  "crossbeam-channel",
  "dotenv",
@@ -3328,12 +3227,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "utf8parse"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
-
 [[package]]
 name = "v4l"
 version = "0.14.0"

Cargo.toml

@@ -11,7 +11,6 @@ crate-type = ["rlib", "cdylib"]
 
 [dependencies]
 anyhow = "1.0.77"
-clap = { version = "4.5.1", features = ["derive"] }
 crossbeam = "0.8.4"
 crossbeam-channel = "0.5.11"
 dotenv = "0.15.0"

examples/live.rs

@@ -1,31 +1,9 @@
-use clap::Parser;
 use dotenv::dotenv;
 use std::io::Write;
 use thermaldecoder::{Header, HDR_SIZE};
 use v4l::video::Output;
 
-#[derive(Parser, Debug)]
-#[command(version, about, long_about = None)]
-struct Args {
-    #[arg(short, long, default_value_t = false)]
-    temperature: bool,
-    #[arg(short, long, default_value = "/dev/video0")]
-    device: String,
-}
-
-fn pixel_to_celcius(x: u16) -> u16 {
-    let x: f64 = x.into();
-    let x = x / 256.0;
-    let t = (-1.665884e-08) * x.powf(4.)
-        + (1.347094e-05) * x.powf(3.)
-        + (-4.396264e-03) * x.powf(2.)
-        + (9.506939e-01) * x
-        + (-6.353247e+01);
-    (t * 256.0) as u16
-}
-
 fn main() -> anyhow::Result<()> {
-    let args = Args::parse();
     dotenv().ok();
     let device = match std::env::var("THERMALCAM_IFACE=enp1s0f0") {
         Ok(d) => {
@@ -43,7 +21,9 @@ fn main() -> anyhow::Result<()> {
     // get the default Device
 
     println!("Using device {}", device.name);
-    let output = args.device;
+    let output = std::env::args()
+        .nth(1)
+        .expect("required output file argument");
     println!("Using output v4l2loopback device {}", output);
 
     const WIDTH: usize = 288;
@@ -93,12 +73,8 @@ fn main() -> anyhow::Result<()> {
                 // possibly limitation of current v4l2loopback or v4l rust wrapper or libv4l2
                 let mut swapped = [0u8; FRAME_LEN];
                 for i in 0..FRAME_LEN / 2 {
-                    let mut pixel = u16::from_be_bytes([frame[i * 2], frame[i * 2 + 1]]);
+                    swapped[i * 2] = frame[i * 2 + 1];
-                    if args.temperature {
+                    swapped[i * 2 + 1] = frame[i * 2];
-                        pixel = pixel_to_celcius(pixel);
-                    }
-                    let pixel_swapped = pixel.to_le_bytes();
-                    swapped[i * 2..i * 2 + 2].copy_from_slice(&pixel_swapped);
                 }
                 out.write_all(&swapped[..])?;
             }

run_live.sh

@@ -10,4 +10,4 @@ TARGET=./target/release/examples/live
 # setcap does not work yet (EPERM on socket AF_PACKET)
 # sudo setcap cap_net_raw,cap_net_admin=eip $TARGET
 #sudo strace -f -o live.strace $TARGET /dev/video0
-sudo RUST_BACKTRACE=full $TARGET "$@"
+sudo $TARGET /dev/video0

run_live_debug.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-cd $(dirname $0)
-
-set -e
-
-# Python works but stutters
-#sudo ./venv/bin/python ./decode.py --live
-cargo build --example live
-TARGET=./target/debug/examples/live
-# setcap does not work yet (EPERM on socket AF_PACKET)
-# sudo setcap cap_net_raw,cap_net_admin=eip $TARGET
-#sudo strace -f -o live.strace $TARGET /dev/video0
-sudo RUST_BACKTRACE=full $TARGET "$@"