initial example axum, streamer runs in thread

burns the python library to the ground though. but I'm just doing
a web service now, so it would be simpler to just use that,
and for live python has the implementation as well still

Cargo.lock

@@ -502,6 +502,61 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "axum"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1236b4b292f6c4d6dc34604bb5120d85c3fe1d1aa596bd5cc52ca054d13e7b9e"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a15c63fd72d41492dc4f497196f5da1fb04fb7529e631d73630d1b491e47a2e3"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -1415,6 +1470,12 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "foreign-types"
 version = "0.5.0"
@@ -1751,6 +1812,25 @@ dependencies = [
  "bitflags 2.4.2",
 ]
 
+[[package]]
+name = "h2"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31d030e59af851932b72ceebadf4a2b5986dba4c3b99dd2493f8273a0f151943"
+dependencies = [
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.3"
@@ -1809,6 +1889,87 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "http"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b32afd38673a8016f7c9ae69e5af41a58f81b1d31689040f2f1959594ce194ea"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cac85db508abc24a2e48553ba12a996e87244a0395ce011e62b37158745d643"
+dependencies = [
+ "bytes",
+ "http",
+]
+
+[[package]]
+name = "http-body-util"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cb79eb393015dadd30fc252023adb0b2400a0caee0fa2a077e6e21a551e840"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
+
+[[package]]
+name = "httpdate"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+
+[[package]]
+name = "hyper"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5aa53871fc917b1a9ed87b683a5d86db645e23acb32c2e0785a353e522fb75"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "hyper-util"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca38ef113da30126bbff9cd1705f9273e15d45498615d138b0c20279ac7a76aa"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "pin-project-lite",
+ "socket2 0.5.5",
+ "tokio",
+]
+
 [[package]]
 name = "icrate"
 version = "0.0.4"
@@ -1892,6 +2053,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -2051,6 +2218,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.7.1"
@@ -2099,6 +2272,12 @@ dependencies = [
  "paste",
 ]
 
+[[package]]
+name = "mime"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -2205,6 +2384,16 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.18"
@@ -2372,6 +2561,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "owned_ttf_parser"
 version = "0.20.0"
@@ -2456,6 +2651,26 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pin-project"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0302c4a0442c456bd56f841aee5c3bfd17967563f6fadc9ceb9f9c23cf3807e0"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "266c042b60c9c76b8d53061e52b2e0d1116abc57cefc8c5cd671619a56ac3690"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -2812,6 +3027,18 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
+[[package]]
+name = "ryu"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -2866,6 +3093,27 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb0652c533506ad7a2e353cce269330d6afd8bdfb6d75e0ace5b35aacbd7b9e9"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "serde_path_to_error"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4beec8bce849d58d06238cb50db2e1c417cfeafa4c63f692b15c82b7c80f8335"
+dependencies = [
+ "itoa",
+ "serde",
+]
+
 [[package]]
 name = "serde_repr"
 version = "0.1.18"
@@ -2877,6 +3125,18 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"
@@ -2888,6 +3148,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -3047,6 +3316,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "target-lexicon"
 version = "0.12.12"
@@ -3079,6 +3354,7 @@ name = "thermaldecoder"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "axum",
  "clap",
  "crossbeam",
  "crossbeam-channel",
@@ -3091,6 +3367,8 @@ dependencies = [
  "png",
  "pyo3",
  "serde",
+ "tokio",
+ "tracing-subscriber",
  "v4l",
 ]
 
@@ -3114,6 +3392,16 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
 [[package]]
 name = "tiny-skia"
 version = "0.11.4"
@@ -3161,10 +3449,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
 dependencies = [
  "backtrace",
+ "bytes",
  "libc",
  "mio",
  "num_cpus",
+ "parking_lot",
  "pin-project-lite",
+ "signal-hook-registry",
  "socket2 0.5.5",
  "tokio-macros",
  "windows-sys 0.48.0",
@@ -3181,6 +3472,20 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.6.5"
@@ -3209,12 +3514,41 @@ dependencies = [
  "winnow",
 ]
 
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project",
+ "pin-project-lite",
+ "tokio",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
+
+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -3238,6 +3572,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
+dependencies = [
+ "nu-ansi-term",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -3354,6 +3714,12 @@ dependencies = [
  "bindgen",
 ]
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"

Cargo.toml

@@ -5,12 +5,9 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[lib]
-name = "thermaldecoder"
-crate-type = ["rlib", "cdylib"]
-
 [dependencies]
 anyhow = "1.0.77"
+axum = "0.7.4"
 clap = { version = "4.5.1", features = ["derive"] }
 crossbeam = "0.8.4"
 crossbeam-channel = "0.5.11"
@@ -23,4 +20,6 @@ pcap-parser = { version = "0.14.1", features = ["data"] }
 png = "0.17.10"
 pyo3 = { version = "0.20.0", "features" = ["extension-module"] }
 serde = { version = "1.0.193", features = ["derive", "serde_derive", "alloc"] }
+tokio = { version = "1.36.0", features = ["full"] }
+tracing-subscriber = "0.3.18"
 v4l = { version = "0.14.0", features = ["v4l2"], default-features = false }

run_live.sh

@@ -5,8 +5,8 @@ set -e
 
 # Python works but stutters
 #sudo ./venv/bin/python ./decode.py --live
-cargo build --release --example live
+cargo build --release
-TARGET=./target/release/examples/live
+TARGET=./target/release/thermaldecoder
 # 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

src/offline.rs

@@ -184,6 +184,7 @@ impl Iterator for Decoder {
     }
 }
 
+#[allow(dead_code)]
 pub fn write_raw_frame(name: &str, data: &[u8]) -> anyhow::Result<()> {
     let path = Path::new(&name);
     let file = File::create(path)?;
@@ -196,6 +197,7 @@ pub fn write_raw_frame(name: &str, data: &[u8]) -> anyhow::Result<()> {
     Ok(())
 }
 
+#[allow(dead_code)]
 fn write_calibrated_frame(name: &str, data: &[u16]) -> anyhow::Result<()> {
     let path = Path::new(&name);
     let file = File::create(path).unwrap();
@@ -252,6 +254,7 @@ fn decode(filename: &str) -> PyResult<PyFrameIterator> {
 }
 
 /// writes to frames/<basename of filename>
+#[allow(dead_code)]
 pub fn decode_to_files(filename: &str) -> anyhow::Result<()> {
     let frameiter = Decoder::new(filename)?;
     let basename = std::path::Path::new(filename)

src/stream.rs

@@ -1,7 +1,7 @@
+use crate::offline::{Header, HDR_SIZE};
 use clap::Parser;
 use dotenv::dotenv;
-use std::io::Write;
+use std::{io::Write, thread::spawn};
-use thermaldecoder::{Header, HDR_SIZE};
 use v4l::video::Output;
 
 #[derive(Parser, Debug)]
@@ -119,13 +119,15 @@ fn main() -> anyhow::Result<()> {
                     } else {
                         pixel = pixel_to_celcius(pixel);
                         let cutoff = args.red_cutoff.unwrap();
-                        let r = if pixel > (256.0 * cutoff) as u16 {
+                        let (r, g, b) = if pixel > (256.0 * cutoff) as u16 {
-                            255
+                            let p = pixel - (256.0 * cutoff) as u16;
+                            let p = (p / 256).max(127);
+                            ((128 + p) as u8, 0, 0)
                         } else {
-                            0
-                        };
                             let g = frame[i * 2];
                             let b = frame[i * 2 + 1];
+                            (0, g, b)
+                        };
                         let out_i = ((HEIGHT - 1 - y) + (WIDTH - 1 - x) * HEIGHT) * 4;
                         swapped[out_i..out_i + 4].copy_from_slice(&[0, r, g, b]);
                     }
@@ -139,3 +141,11 @@ fn main() -> anyhow::Result<()> {
     }
     Ok(())
 }
+
+pub(crate) fn start_stream_thread() {
+    spawn(move || {
+        if let Err(e) = main() {
+            println!("oops: {:?}", e);
+        }
+    });
+}