v4l by rust process, still sudo, endianess reversed
This commit is contained in:
devdesk
parent
a917f75ce0
commit
0ff8d2b1fb
116
Cargo.lock
generated
116
Cargo.lock
generated
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@ -469,6 +469,29 @@ dependencies = [
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"rustc-demangle",
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]
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[[package]]
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name = "bindgen"
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version = "0.65.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cfdf7b466f9a4903edc73f95d6d2bcd5baf8ae620638762244d3f60143643cc5"
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dependencies = [
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"bitflags 1.3.2",
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"cexpr",
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"clang-sys",
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"lazy_static",
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"lazycell",
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"log",
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"peeking_take_while",
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"prettyplease",
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"proc-macro2",
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"quote",
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"regex",
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"rustc-hash",
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"shlex",
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"syn 2.0.48",
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"which",
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]
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[[package]]
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name = "bit-set"
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version = "0.5.3"
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@ -645,6 +668,15 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
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[[package]]
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name = "cexpr"
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version = "0.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
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dependencies = [
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"nom",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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@ -672,6 +704,17 @@ version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b0fc239e0f6cb375d2402d48afb92f76f5404fd1df208a41930ec81eda078bea"
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[[package]]
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name = "clang-sys"
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version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "67523a3b4be3ce1989d607a828d036249522dd9c1c8de7f4dd2dae43a37369d1"
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dependencies = [
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"glob",
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"libc",
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"libloading 0.8.1",
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]
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[[package]]
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name = "clipboard-win"
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version = "5.1.0"
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@ -1084,6 +1127,12 @@ dependencies = [
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"winit",
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]
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[[package]]
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name = "either"
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version = "1.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
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[[package]]
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name = "emath"
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version = "0.26.2"
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@ -1473,6 +1522,12 @@ dependencies = [
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"xml-rs",
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]
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[[package]]
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name = "glob"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
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[[package]]
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name = "glow"
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version = "0.13.1"
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@ -1806,6 +1861,12 @@ version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "lazycell"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
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[[package]]
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name = "libc"
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version = "0.2.153"
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@ -2289,6 +2350,12 @@ dependencies = [
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"rusticata-macros",
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]
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[[package]]
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name = "peeking_take_while"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
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[[package]]
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name = "percent-encoding"
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version = "2.3.1"
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@ -2385,6 +2452,16 @@ version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e8cf8e6a8aa66ce33f63993ffc4ea4271eb5b0530a9002db8455ea6050c77bfa"
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[[package]]
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name = "prettyplease"
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version = "0.2.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a41cf62165e97c7f814d2221421dbb9afcbcdb0a88068e5ea206e19951c2cbb5"
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dependencies = [
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"proc-macro2",
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"syn 2.0.48",
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]
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[[package]]
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name = "proc-macro-crate"
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version = "1.3.1"
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@ -2717,6 +2794,12 @@ dependencies = [
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"digest",
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]
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[[package]]
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name = "shlex"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
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[[package]]
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name = "signal-hook-registry"
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version = "1.4.1"
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@ -2907,6 +2990,7 @@ dependencies = [
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"png",
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"pyo3",
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"serde",
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"v4l",
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]
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[[package]]
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@ -3143,6 +3227,26 @@ dependencies = [
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"percent-encoding",
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]
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[[package]]
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name = "v4l"
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version = "0.14.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d8fbfea44a46799d62c55323f3c55d06df722fbe577851d848d328a1041c3403"
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dependencies = [
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"bitflags 1.3.2",
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"libc",
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"v4l2-sys-mit",
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]
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[[package]]
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name = "v4l2-sys-mit"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6779878362b9bacadc7893eac76abe69612e8837ef746573c4a5239daf11990b"
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dependencies = [
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"bindgen",
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]
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[[package]]
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name = "version_check"
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version = "0.9.4"
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@ -3484,6 +3588,18 @@ dependencies = [
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"web-sys",
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]
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[[package]]
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name = "which"
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version = "4.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
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dependencies = [
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"either",
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"home",
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"once_cell",
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"rustix 0.38.31",
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]
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[[package]]
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name = "widestring"
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version = "1.0.2"
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@ -22,3 +22,4 @@ pcap-parser = { version = "0.14.1", features = ["data"] }
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png = "0.17.10"
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pyo3 = { version = "0.20.0", "features" = ["extension-module"] }
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serde = { version = "1.0.193", features = ["derive", "serde_derive", "alloc"] }
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v4l = "0.14.0"
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@ -1,40 +1,7 @@
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use dotenv::dotenv;
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use std::fs::File;
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use std::io::Write;
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use thermaldecoder::{Frame, Header, HDR_SIZE};
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// fn main() -> Result<(), eframe::Error> {
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// env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
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// let options = eframe::NativeOptions {
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// viewport: egui::ViewportBuilder::default().with_inner_size([600.0, 800.0]),
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// ..Default::default()
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// };
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// let (sender, receiver) = crossbeam::channel::unbounded();
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// eframe::run_native(
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// "Image Viewer",
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// options,
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// Box::new(|cc| {
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// // This gives us image support:
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// egui_extras::install_image_loaders(&cc.egui_ctx);
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// Box::<MyApp>::default()
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// }),
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// )
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// }
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// #[derive(Default)]
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// struct MyApp {}
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// impl eframe::App for MyApp {
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// fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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// egui::CentralPanel::default().show(ctx, |ui| {
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// egui::ScrollArea::both().show(ui, |ui| {
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// ui.add(egui::Image::new().rounding(10.0));
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// ui.image(egui::include_image!("ferris.svg"));
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// });
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// });
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// }
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// }
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use thermaldecoder::{Header, HDR_SIZE};
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use v4l::video::Output;
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fn main() -> anyhow::Result<()> {
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dotenv().ok();
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@ -57,7 +24,20 @@ fn main() -> anyhow::Result<()> {
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let output = std::env::args()
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.nth(1)
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.expect("required output file argument");
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println!("Using output {}", output);
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println!("Using output v4l2loopback device {}", output);
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const WIDTH: usize = 288;
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const HEIGHT: usize = 384;
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let mut out = v4l::Device::with_path(output)?;
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// To find the fourcc code, use v4l2-ctl --list-formats-out /dev/video0
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// (or read the source :)
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let format = v4l::Format::new(
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WIDTH as u32,
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HEIGHT as u32,
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v4l::format::FourCC::new(b"Y16 "),
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);
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Output::set_format(&out, &format)?;
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// Setup Capture
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let mut cap = pcap::Capture::from_device(device)
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@ -68,13 +48,12 @@ fn main() -> anyhow::Result<()> {
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// get a packet and print its bytes
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const PACKET_LEN: usize = 6972;
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const FRAME_LEN: usize = 288 * 384 * 2;
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const FRAME_LEN: usize = WIDTH * HEIGHT * 2;
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let mut frame = [0u8; FRAME_LEN];
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let mut len = 0;
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let mut out = File::create(&output)?;
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while let Ok(p) = cap.next_packet() {
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let data = p.data;
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if data.len() != 6972 {
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if data.len() != PACKET_LEN {
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continue;
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}
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let data = &data[0x2a..];
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11
run_live.sh
11
run_live.sh
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@ -6,9 +6,8 @@ set -e
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# Python works but stutters
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#sudo ./venv/bin/python ./decode.py --live
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cargo build --release --example live
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sudo ./target/release/examples/live /dev/stdout | gst-launch-1.0 filesrc location=/dev/stdin \
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! rawvideoparse use_sink_caps=false height=384 width=288 format=gray16-le \
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! videoconvertscale \
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! v4l2sink device=/dev/video0
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# ! videoconvertscale
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TARGET=./target/release/examples/live
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# setcap does not work yet (EPERM on socket AF_PACKET)
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# sudo setcap cap_net_raw,cap_net_admin=eip $TARGET
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#strace -f -o live.strace $TARGET /dev/video0
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sudo $TARGET /dev/video0
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