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Rework camera handling

This commit is contained in:
Jack Grigg 2024-12-12 04:45:09 +00:00
parent ba7b0a1504
commit c532ea0fc8
3 changed files with 538 additions and 29 deletions
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Cargo.lock generated
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@ -117,6 +117,12 @@ dependencies = [
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name = "tempfile"
version = "3.14.0"
@ -5037,6 +5412,17 @@ dependencies = [
"once_cell",
]
[[package]]
name = "tiff"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ba1310fcea54c6a9a4fd1aad794ecc02c31682f6bfbecdf460bf19533eed1e3e"
dependencies = [
"flate2",
"jpeg-decoder",
"weezl",
]
[[package]]
name = "time"
version = "0.3.37"
@ -5278,7 +5664,7 @@ checksum = "2d080757c5d7404813f936147e3d72f7c035eba541c1422de29acd2242b98f36"
dependencies = [
"derive_more",
"hex",
"itertools",
"itertools 0.13.0",
"libc",
"paste",
"rand",
@ -5407,7 +5793,7 @@ dependencies = [
"educe",
"futures",
"humantime-serde",
"itertools",
"itertools 0.13.0",
"once_cell",
"oneshot-fused-workaround",
"pin-project",
@ -5451,7 +5837,7 @@ dependencies = [
"figment",
"fs-mistrust",
"futures",
"itertools",
"itertools 0.13.0",
"notify",
"once_cell",
"paste",
@ -5497,7 +5883,7 @@ dependencies = [
"http",
"httparse",
"httpdate",
"itertools",
"itertools 0.13.0",
"memchr",
"thiserror 1.0.69",
"tor-circmgr",
@ -5529,7 +5915,7 @@ dependencies = [
"hex",
"humantime",
"humantime-serde",
"itertools",
"itertools 0.13.0",
"memmap2",
"once_cell",
"oneshot-fused-workaround",
@ -5596,7 +5982,7 @@ dependencies = [
"futures",
"humantime",
"humantime-serde",
"itertools",
"itertools 0.13.0",
"num_enum",
"oneshot-fused-workaround",
"pin-project",
@ -5631,7 +6017,7 @@ dependencies = [
"data-encoding",
"derive_more",
"digest",
"itertools",
"itertools 0.13.0",
"paste",
"rand",
"safelog",
@ -5681,7 +6067,7 @@ dependencies = [
"glob-match",
"humantime",
"inventory",
"itertools",
"itertools 0.13.0",
"rand",
"serde",
"ssh-key",
@ -5711,7 +6097,7 @@ dependencies = [
"derive_builder_fork_arti",
"derive_more",
"hex",
"itertools",
"itertools 0.13.0",
"safelog",
"serde",
"serde_with",
@ -5807,7 +6193,7 @@ dependencies = [
"derive_more",
"futures",
"humantime",
"itertools",
"itertools 0.13.0",
"num_enum",
"rand",
"serde",
@ -5841,7 +6227,7 @@ dependencies = [
"educe",
"hex",
"humantime",
"itertools",
"itertools 0.13.0",
"once_cell",
"phf",
"serde",
@ -5877,7 +6263,7 @@ dependencies = [
"fs-mistrust",
"fslock",
"futures",
"itertools",
"itertools 0.13.0",
"oneshot-fused-workaround",
"paste",
"sanitize-filename",
@ -6000,7 +6386,7 @@ dependencies = [
"educe",
"futures",
"humantime",
"itertools",
"itertools 0.13.0",
"oneshot-fused-workaround",
"pin-project",
"priority-queue",
@ -6290,7 +6676,7 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
dependencies = [
"itertools",
"itertools 0.13.0",
"unicode-segmentation",
"unicode-width 0.1.14",
]
@ -6378,6 +6764,17 @@ dependencies = [
"bindgen",
]
[[package]]
name = "v_frame"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6f32aaa24bacd11e488aa9ba66369c7cd514885742c9fe08cfe85884db3e92b"
dependencies = [
"aligned-vec",
"num-traits",
"wasm-bindgen",
]
[[package]]
name = "valuable"
version = "0.1.0"
@ -6390,6 +6787,12 @@ version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
[[package]]
name = "version-compare"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "579a42fc0b8e0c63b76519a339be31bed574929511fa53c1a3acae26eb258f29"
[[package]]
name = "version_check"
version = "0.9.5"
@ -6532,6 +6935,12 @@ dependencies = [
"rustls-pki-types",
]
[[package]]
name = "weezl"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53a85b86a771b1c87058196170769dd264f66c0782acf1ae6cc51bfd64b39082"
[[package]]
name = "which"
version = "4.4.2"
@ -7129,6 +7538,7 @@ dependencies = [
"futures-util",
"gumdrop",
"hex",
"image",
"iso_currency",
"jubjub",
"minicbor",
@ -7260,3 +7670,27 @@ dependencies = [
"cc",
"pkg-config",
]
[[package]]
name = "zune-core"
version = "0.4.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
[[package]]
name = "zune-inflate"
version = "0.2.54"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
dependencies = [
"simd-adler32",
]
[[package]]
name = "zune-jpeg"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "16099418600b4d8f028622f73ff6e3deaabdff330fb9a2a131dea781ee8b0768"
dependencies = [
"zune-core",
]

3
Cargo.toml
View File

@ -50,6 +50,7 @@ iso_currency = { version = "0.5", features = ["with-serde"] }
rust_decimal = "1"
# PCZT QR codes
image = { version = "0.25", optional = true }
minicbor = { version = "0.19", optional = true }
nokhwa = { version = "0.10", optional = true, features = ["input-native"] }
qrcode = { version = "0.14", optional = true, default-features = false }
@ -65,7 +66,7 @@ tui-logger = { version = "0.14", optional = true, features = ["tracing-support"]
[features]
default = ["transparent-inputs"]
pczt-qr = ["dep:minicbor", "dep:nokhwa", "dep:qrcode", "dep:rqrr", "dep:ur"]
pczt-qr = ["dep:image", "dep:minicbor", "dep:nokhwa", "dep:qrcode", "dep:rqrr", "dep:ur"]
transparent-inputs = [
"zcash_client_sqlite/transparent-inputs",
]

86
src/commands/pczt/qr.rs
View File

@ -2,10 +2,12 @@ use std::time::Duration;
use anyhow::anyhow;
use gumdrop::Options;
use image::buffer::ConvertBuffer;
use minicbor::data::{Int, Type};
use nokhwa::{
pixel_format::LumaFormat,
utils::{CameraIndex, RequestedFormat, RequestedFormatType},
nokhwa_check, nokhwa_initialize,
pixel_format::RgbFormat,
utils::{RequestedFormat, RequestedFormatType, Resolution},
Camera,
};
use pczt::Pczt;
@ -85,10 +87,37 @@ pub(crate) struct Receive {
impl Receive {
pub(crate) async fn run(self, mut shutdown: ShutdownListener) -> Result<(), anyhow::Error> {
nokhwa_initialize(|_| ());
if !nokhwa_check() {
return Err(anyhow!("Failed to obtain macOS camera permissions"));
}
let cameras = nokhwa::query(nokhwa::utils::ApiBackend::Auto)?;
let camera = if cameras.len() > 1 {
eprintln!("Available cameras:");
for (i, camera) in cameras.iter().enumerate() {
eprintln!("{}: {}", i, camera.human_name());
}
eprint!("Select a camera: ");
cameras
.get(usize::from(stdin().read_u8().await?) - 48)
.ok_or(anyhow!("Invalid camera"))
} else {
cameras.first().ok_or(anyhow!("No camera"))
}?;
eprintln!("Creating camera");
let mut camera = Camera::new(
CameraIndex::Index(0),
RequestedFormat::new::<LumaFormat>(RequestedFormatType::AbsoluteHighestFrameRate),
camera.index().clone(),
RequestedFormat::new::<RgbFormat>(RequestedFormatType::AbsoluteHighestResolution),
)?;
eprintln!("Opening camera stream");
camera
.open_stream()
.map_err(|e| anyhow!("Could not open camera stream: {e}"))?;
eprintln!("Starting detection loop");
let mut decoder = ur::Decoder::default();
let mut interval = tokio::time::interval(Duration::from_millis(self.interval));
@ -96,11 +125,14 @@ impl Receive {
interval.tick().await;
if shutdown.requested() {
camera.stop_stream()?;
return Ok(());
}
let frame = camera.frame()?;
let decoded = frame.decode_image::<LumaFormat>()?;
// Doesn't work in nokhwa 0.10: https://github.com/l1npengtul/nokhwa/issues/100
// let decoded = frame.decode_image::<RgbFormat>()?;
let decoded = convert_buffer_to_image(frame)?;
let mut detect_grids = |mut img: rqrr::PreparedImage<
image::ImageBuffer<image::Luma<u8>, Vec<u8>>,
@ -122,11 +154,13 @@ impl Receive {
Ok(())
};
if let Err(e) = detect_grids(rqrr::PreparedImage::prepare(decoded)) {
if let Err(e) = detect_grids(rqrr::PreparedImage::prepare(decoded.convert())) {
eprintln!("Error while detecting grids: {e}");
}
}
camera.stop_stream()?;
let pczt_packet = decoder
.message()
.map_err(|e| anyhow!("Failed to extract full message from QR codes: {:?}", e))?
@ -212,3 +246,43 @@ where
}
Ok(())
}
fn convert_buffer_to_image(
buffer: nokhwa::Buffer,
) -> anyhow::Result<image::ImageBuffer<image::Rgb<u8>, Vec<u8>>> {
let Resolution {
width_x: width,
height_y: height,
} = buffer.resolution();
let mut image_buffer = image::ImageBuffer::<image::Rgb<u8>, Vec<u8>>::new(width, height);
let data = buffer.buffer();
for (y, chunk) in data
.chunks_exact((width * 2) as usize)
.enumerate()
.take(height as usize)
{
for (x, pixel) in chunk.chunks_exact(4).enumerate() {
let [u, y1, v, y2] = [
pixel[0] as f32,
pixel[1] as f32,
pixel[2] as f32,
pixel[3] as f32,
];
let x = (x * 2) as u32;
image_buffer.put_pixel(x, y as u32, yuv_to_rgb(y1, u, v));
image_buffer.put_pixel(x + 1, y as u32, yuv_to_rgb(y2, u, v));
}
}
Ok(image_buffer)
}
//YUV to RGB conversion BT.709
fn yuv_to_rgb(y: f32, u: f32, v: f32) -> image::Rgb<u8> {
let r = y + 1.5748 * (v - 128.0);
let g = y - 0.1873 * (u - 128.0) - 0.4681 * (v - 128.0);
let b = y + 1.8556 * (u - 128.0);
image::Rgb([r as u8, g as u8, b as u8])
}