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camera: update nokhwa, eye for macos, ability to switch camera when another camera not loaded

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ardocrat 2024-10-26 23:25:55 +03:00
parent 75cf7edc96
commit ebd09ab1c8
4 changed files with 430 additions and 272 deletions
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@ -408,8 +408,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -983,9 +983,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
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@ -1450,11 +1505,35 @@ dependencies = [
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@ -1473,6 +1552,15 @@ dependencies = [
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@ -1484,35 +1572,6 @@ dependencies = [
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@ -1657,18 +1716,6 @@ version = "0.8.7"
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@ -1693,31 +1740,6 @@ dependencies = [
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@ -2395,7 +2417,7 @@ dependencies = [
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@ -2465,7 +2487,7 @@ dependencies = [
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@ -2477,7 +2499,7 @@ dependencies = [
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@ -2501,7 +2523,7 @@ dependencies = [
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@ -2514,7 +2536,7 @@ dependencies = [
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@ -2532,7 +2554,7 @@ dependencies = [
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@ -2549,12 +2571,12 @@ dependencies = [
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@ -2563,7 +2585,7 @@ dependencies = [
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@ -2730,6 +2752,19 @@ dependencies = [
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] ]
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@ -2746,7 +2781,7 @@ dependencies = [
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@ -2823,6 +2858,28 @@ dependencies = [
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@ -3561,6 +3624,7 @@ dependencies = [
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@ -3577,9 +3641,9 @@ dependencies = [
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@ -4390,9 +4454,9 @@ dependencies = [
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@ -4478,7 +4542,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -4614,18 +4678,6 @@ dependencies = [
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@ -5323,21 +5375,6 @@ dependencies = [
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@ -5532,15 +5569,6 @@ dependencies = [
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[[package]]
name = "nanorand"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a51313c5820b0b02bd422f4b44776fbf47961755c74ce64afc73bfad10226c3"
dependencies = [
"getrandom 0.2.15",
]
[[package]] [[package]]
name = "native-tls" name = "native-tls"
version = "0.2.12" version = "0.2.12"
@ -5666,14 +5694,12 @@ checksum = "2bf50223579dc7cdcfb3bfcacf7069ff68243f8c363f62ffa99cf000a6b9c451"
[[package]] [[package]]
name = "nokhwa" name = "nokhwa"
version = "0.10.4" version = "0.10.5"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc4ae290027ab0d22e1405d304603e41edfaee597a81ce09cf751785b44c32a9" checksum = "6b15e209a06308df0e9d0042a2ff0b190af22fa0a56535b4eb8a422a2332759c"
dependencies = [ dependencies = [
"flume 0.10.14", "image",
"image 0.24.9",
"nokhwa-bindings-linux", "nokhwa-bindings-linux",
"nokhwa-bindings-macos",
"nokhwa-bindings-windows", "nokhwa-bindings-windows",
"nokhwa-core", "nokhwa-core",
"paste", "paste",
@ -5682,36 +5708,19 @@ dependencies = [
[[package]] [[package]]
name = "nokhwa-bindings-linux" name = "nokhwa-bindings-linux"
version = "0.1.0" version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "448db09af68e12168b6311423409f679d2da6e75fb158b2d75de2f5d6dc460ca" checksum = "9f1abe593709a177b1a6b87ebbae0bfe5ecc2f8d80d81e89e0a9b68487490a01"
dependencies = [ dependencies = [
"nokhwa-core", "nokhwa-core",
"v4l", "v4l",
"v4l2-sys-mit",
]
[[package]]
name = "nokhwa-bindings-macos"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "739d58859fd2b958f01c25de9a0fbb686be7271e5ef3624150e2be85a627b38a"
dependencies = [
"block",
"cocoa-foundation",
"core-media-sys",
"core-video-sys",
"flume 0.10.14",
"nokhwa-core",
"objc",
"once_cell",
] ]
[[package]] [[package]]
name = "nokhwa-bindings-windows" name = "nokhwa-bindings-windows"
version = "0.4.0" version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a9b9bae36d0ce413568cefb94c43748e80f9ae97aa0a9e2d8e18f0275a909746" checksum = "e6f82cd46134e24bbfe344280603fc9753b5a589ab6c62959e2b0cf2f906bef1"
dependencies = [ dependencies = [
"nokhwa-core", "nokhwa-core",
"once_cell", "once_cell",
@ -5720,12 +5729,12 @@ dependencies = [
[[package]] [[package]]
name = "nokhwa-core" name = "nokhwa-core"
version = "0.1.2" version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb9b0e58413cb1b6d041d802be0e921368f3c72525b7ea720089c8aa140d6d49" checksum = "f13f7d3ea46f585ef235e705ade22633f0e15ba14a27d4672ab2b1d4434557fa"
dependencies = [ dependencies = [
"bytes 1.7.2", "bytes 1.7.2",
"image 0.24.9", "image",
"thiserror", "thiserror",
] ]
@ -5979,7 +5988,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "915b1b472bc21c53464d6c8461c9d3af805ba1ef837e1cac254428f4a77177b1" checksum = "915b1b472bc21c53464d6c8461c9d3af805ba1ef837e1cac254428f4a77177b1"
dependencies = [ dependencies = [
"malloc_buf", "malloc_buf",
"objc_exception",
] ]
[[package]] [[package]]
@ -6185,15 +6193,6 @@ dependencies = [
"objc2-foundation", "objc2-foundation",
] ]
[[package]]
name = "objc_exception"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ad970fb455818ad6cba4c122ad012fae53ae8b4795f86378bce65e4f6bab2ca4"
dependencies = [
"cc",
]
[[package]] [[package]]
name = "object" name = "object"
version = "0.36.5" version = "0.36.5"
@ -6230,6 +6229,26 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381" checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
[[package]]
name = "openpnp_capture"
version = "0.2.4"
source = "git+https://github.com/ardocrat/openpnp-capture-rs?rev=f9b06f627c5e5d42c672d117650af700846ca6cf#f9b06f627c5e5d42c672d117650af700846ca6cf"
dependencies = [
"lazy_static",
"openpnp_capture_sys",
]
[[package]]
name = "openpnp_capture_sys"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "210344540125153a623f5b0c8a3880a2aef08bb7c70e92a159574047d7319507"
dependencies = [
"bindgen 0.60.1",
"cc",
"cmake",
]
[[package]] [[package]]
name = "openssl" name = "openssl"
version = "0.10.66" version = "0.10.66"
@ -6327,6 +6346,12 @@ dependencies = [
"pin-project-lite 0.2.14", "pin-project-lite 0.2.14",
] ]
[[package]]
name = "os_str_bytes"
version = "6.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2355d85b9a3786f481747ced0e0ff2ba35213a1f9bd406ed906554d7af805a1"
[[package]] [[package]]
name = "overload" name = "overload"
version = "0.1.1" version = "0.1.1"
@ -6709,6 +6734,16 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8cf8e6a8aa66ce33f63993ffc4ea4271eb5b0530a9002db8455ea6050c77bfa" checksum = "e8cf8e6a8aa66ce33f63993ffc4ea4271eb5b0530a9002db8455ea6050c77bfa"
[[package]]
name = "prettyplease"
version = "0.2.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "479cf940fbbb3426c32c5d5176f62ad57549a0bb84773423ba8be9d089f5faba"
dependencies = [
"proc-macro2 1.0.87",
"syn 2.0.79",
]
[[package]] [[package]]
name = "prettytable-rs" name = "prettytable-rs"
version = "0.10.0" version = "0.10.0"
@ -6856,7 +6891,7 @@ version = "0.14.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d68782463e408eb1e668cf6152704bd856c78c5b6417adaee3203d8f4c1fc9ec" checksum = "d68782463e408eb1e668cf6152704bd856c78c5b6417adaee3203d8f4c1fc9ec"
dependencies = [ dependencies = [
"image 0.25.2", "image",
] ]
[[package]] [[package]]
@ -7490,7 +7525,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48eaf9c75f2a8f231b09036c115a45a9845313f7faa6a39fa45a2a2bd06a27c7" checksum = "48eaf9c75f2a8f231b09036c115a45a9845313f7faa6a39fa45a2a2bd06a27c7"
dependencies = [ dependencies = [
"g2p", "g2p",
"image 0.25.2", "image",
"lru", "lru",
] ]
@ -8639,6 +8674,12 @@ dependencies = [
"unicode-width", "unicode-width",
] ]
[[package]]
name = "textwrap"
version = "0.16.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9"
[[package]] [[package]]
name = "thiserror" name = "thiserror"
version = "1.0.64" version = "1.0.64"
@ -10411,10 +10452,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "81dfa00651efa65069b0b6b651f4aaa31ba9e3c3ce0137aaad053604ee7e0314" checksum = "81dfa00651efa65069b0b6b651f4aaa31ba9e3c3ce0137aaad053604ee7e0314"
[[package]] [[package]]
name = "v4l" name = "uvc"
version = "0.13.1" version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fd9946a2fda19c7a729dc72e28b9fd9c653e9b7de954ffe3aecaf51977f88762" checksum = "6b4126f130b1b469a8342f7c0001c4f4ac828613c977d6887972d60e0ddff1f9"
dependencies = [
"uvc-sys",
]
[[package]]
name = "uvc-sys"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3675c448fbdc98cbdc4f755a541d41154d153eb3112686be533940ae925eb00"
dependencies = [
"bindgen 0.56.0",
]
[[package]]
name = "v4l"
version = "0.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8fbfea44a46799d62c55323f3c55d06df722fbe577851d848d328a1041c3403"
dependencies = [ dependencies = [
"bitflags 1.3.2", "bitflags 1.3.2",
"libc", "libc",
@ -10423,11 +10482,11 @@ dependencies = [
[[package]] [[package]]
name = "v4l2-sys-mit" name = "v4l2-sys-mit"
version = "0.2.0" version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e0c932c06df4af1dfb229f604214f2a87993784596ff33ffdadcba1b5519254e" checksum = "6779878362b9bacadc7893eac76abe69612e8837ef746573c4a5239daf11990b"
dependencies = [ dependencies = [
"bindgen", "bindgen 0.65.1",
] ]
[[package]] [[package]]
@ -10861,7 +10920,7 @@ dependencies = [
"libc", "libc",
"libloading", "libloading",
"log", "log",
"metal 0.29.0", "metal",
"naga", "naga",
"ndk-sys 0.5.0+25.2.9519653", "ndk-sys 0.5.0+25.2.9519653",
"objc", "objc",
@ -10900,6 +10959,18 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "which"
version = "4.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
dependencies = [
"either",
"home",
"once_cell",
"rustix",
]
[[package]] [[package]]
name = "widestring" name = "widestring"
version = "1.1.0" version = "1.1.0"
@ -11277,7 +11348,7 @@ dependencies = [
"cfg_aliases 0.2.1", "cfg_aliases 0.2.1",
"concurrent-queue", "concurrent-queue",
"core-foundation 0.9.4", "core-foundation 0.9.4",
"core-graphics 0.23.2", "core-graphics",
"cursor-icon", "cursor-icon",
"dpi", "dpi",
"js-sys", "js-sys",

15
Cargo.toml
View file

@ -91,7 +91,7 @@ tor-error = "0.23.0"
sha2 = "0.10.8" sha2 = "0.10.8"
ed25519-dalek = "2.1.1" ed25519-dalek = "2.1.1"
curve25519-dalek = "4.1.3" curve25519-dalek = "4.1.3"
hyper = { version = "0.14.29", features = ["full"] } hyper = { version = "0.14.30", features = ["full"] }
hyper-tls = "0.5.0" hyper-tls = "0.5.0"
tls-api = "0.9.0" tls-api = "0.9.0"
tls-api-native-tls = "0.9.0" tls-api-native-tls = "0.9.0"
@ -101,13 +101,13 @@ tokio-old = {version = "0.2", features = ["full"], package = "tokio" }
tokio-util-old = { version = "0.2", features = ["codec"], package = "tokio-util" } tokio-util-old = { version = "0.2", features = ["codec"], package = "tokio-util" }
[target.'cfg(target_os = "linux")'.dependencies] [target.'cfg(target_os = "linux")'.dependencies]
nokhwa = { version = "0.10.4", default-features = false, features = ["input-v4l"] } nokhwa = { version = "0.10.5", default-features = false, features = ["input-v4l"] }
[target.'cfg(target_os = "windows")'.dependencies] [target.'cfg(target_os = "windows")'.dependencies]
nokhwa = { version = "0.10.4", default-features = false, features = ["input-msmf"] } nokhwa = { version = "0.10.5", default-features = false, features = ["input-msmf"] }
[target.'cfg(target_os = "macos")'.dependencies] [target.'cfg(target_os = "macos")'.dependencies]
nokhwa = { version = "0.10.4", default-features = false, features = ["flume", "input-avfoundation"] } eye = { git = "https://github.com/raymanfx/eye-rs", rev = "5b7e3f7a1e79966091692896c568aab042e449ef", default-features = false }
tls-api-openssl = "0.9.0" tls-api-openssl = "0.9.0"
[target.'cfg(not(target_os = "android"))'.dependencies] [target.'cfg(not(target_os = "android"))'.dependencies]
@ -127,8 +127,9 @@ winit = { version = "0.30.5", features = ["android-game-activity"] }
eframe = { version = "0.29.1", features = ["wgpu", "android-game-activity"] } eframe = { version = "0.29.1", features = ["wgpu", "android-game-activity"] }
[patch.crates-io] [patch.crates-io]
egui_extras = { git = "https://github.com/emilk/egui", rev = "23728e145ec52bd1193f6f0123973763de4dbb3d" } openpnp_capture = { git = "https://github.com/ardocrat/openpnp-capture-rs", rev = "f9b06f627c5e5d42c672d117650af700846ca6cf" }
egui = { git = "https://github.com/emilk/egui", rev = "23728e145ec52bd1193f6f0123973763de4dbb3d" } egui_extras = { git = "https://github.com/emilk/egui", rev = "5b846b4554fe47269affb43efef2cad8710a8a47" }
eframe = { git = "https://github.com/emilk/egui", rev = "23728e145ec52bd1193f6f0123973763de4dbb3d" } egui = { git = "https://github.com/emilk/egui", rev = "5b846b4554fe47269affb43efef2cad8710a8a47" }
eframe = { git = "https://github.com/emilk/egui", rev = "5b846b4554fe47269affb43efef2cad8710a8a47" }
### patch grin store ### patch grin store
#grin_store = { path = "../grin-store" } #grin_store = { path = "../grin-store" }

197
src/gui/platform/desktop/mod.rs
View file

@ -15,7 +15,7 @@
use std::fs::File; use std::fs::File;
use std::io::Write; use std::io::Write;
use std::thread; use std::thread;
use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::Arc; use std::sync::Arc;
use parking_lot::RwLock; use parking_lot::RwLock;
use lazy_static::lazy_static; use lazy_static::lazy_static;
@ -30,6 +30,10 @@ pub struct Desktop {
/// Context to repaint content and handle viewport commands. /// Context to repaint content and handle viewport commands.
ctx: Arc<RwLock<Option<egui::Context>>>, ctx: Arc<RwLock<Option<egui::Context>>>,
/// Cameras amount.
cameras_amount: Arc<AtomicUsize>,
/// Camera index.
camera_index: Arc<AtomicUsize>,
/// Flag to check if camera stop is needed. /// Flag to check if camera stop is needed.
stop_camera: Arc<AtomicBool>, stop_camera: Arc<AtomicBool>,
@ -37,6 +41,127 @@ pub struct Desktop {
attention_required: Arc<AtomicBool>, attention_required: Arc<AtomicBool>,
} }
impl Desktop {
pub fn new() -> Self {
Self {
ctx: Arc::new(RwLock::new(None)),
cameras_amount: Arc::new(AtomicUsize::new(0)),
camera_index: Arc::new(AtomicUsize::new(0)),
stop_camera: Arc::new(AtomicBool::new(false)),
attention_required: Arc::new(AtomicBool::new(false)),
}
}
#[allow(dead_code)]
#[cfg(not(target_os = "macos"))]
fn start_camera_capture(cameras_amount: Arc<AtomicUsize>,
camera_index: Arc<AtomicUsize>,
stop_camera: Arc<AtomicBool>) {
use nokhwa::Camera;
use nokhwa::pixel_format::RgbFormat;
use nokhwa::utils::{CameraIndex, RequestedFormat, RequestedFormatType};
use nokhwa::utils::ApiBackend;
let devices = nokhwa::query(ApiBackend::Auto).unwrap();
cameras_amount.store(devices.len(), Ordering::Relaxed);
let index = camera_index.load(Ordering::Relaxed);
if devices.is_empty() || index >= devices.len() {
return;
}
thread::spawn(move || {
let index = CameraIndex::Index(camera_index.load(Ordering::Relaxed) as u32);
let requested = RequestedFormat::new::<RgbFormat>(
RequestedFormatType::AbsoluteHighestFrameRate
);
// Create and open camera.
if let Ok(mut camera) = Camera::new(index, requested) {
if let Ok(_) = camera.open_stream() {
loop {
// Stop if camera was stopped.
if stop_camera.load(Ordering::Relaxed) {
stop_camera.store(false, Ordering::Relaxed);
// Clear image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None;
break;
}
// Get a frame.
if let Ok(frame) = camera.frame() {
// Save image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = Some((frame.buffer().to_vec(), 0));
} else {
// Clear image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None;
break;
}
}
camera.stop_stream().unwrap();
};
}
});
}
#[allow(dead_code)]
#[cfg(target_os = "macos")]
fn start_camera_capture(cameras_amount: Arc<AtomicUsize>,
camera_index: Arc<AtomicUsize>,
stop_camera: Arc<AtomicBool>) {
use image::{ExtendedColorType, ImageBuffer, ImageEncoder, Rgb};
use eye::hal::{traits::{Context, Device, Stream}, PlatformContext};
use image::codecs::jpeg::JpegEncoder;
let index = camera_index.load(Ordering::Relaxed);
let devices = PlatformContext::default().devices().unwrap_or(vec![]);
cameras_amount.store(devices.len(), Ordering::Relaxed);
if devices.is_empty() || index >= devices.len() {
return;
}
// Capture images at separate thread.
let uri = devices[camera_index.load(Ordering::Relaxed)].uri.clone();
thread::spawn(move || {
if let Ok(dev) = PlatformContext::default().open_device(&uri) {
let streams = dev.streams().unwrap_or(vec![]);
if streams.is_empty() {
return;
}
let stream_desc = streams[0].clone();
let w = stream_desc.width;
let h = stream_desc.height;
if let Ok(mut stream) = dev.start_stream(&stream_desc) {
loop {
// Stop if camera was stopped.
if stop_camera.load(Ordering::Relaxed) {
stop_camera.store(false, Ordering::Relaxed);
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None;
break;
}
// Get a frame.
let frame = stream.next()
.expect("Stream is dead")
.expect("Failed to capture a frame");
let mut out = vec![];
if let Some(buf) = ImageBuffer::<Rgb<u8>, &[u8]>::from_raw(w, h, &frame) {
JpegEncoder::new(&mut out)
.write_image(buf.as_raw(), w, h, ExtendedColorType::Rgb8)
.unwrap_or_default();
} else {
out = frame.to_vec();
}
// Save image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = Some((out, 0));
}
}
}
});
}
}
impl PlatformCallbacks for Desktop { impl PlatformCallbacks for Desktop {
fn set_context(&mut self, ctx: &egui::Context) { fn set_context(&mut self, ctx: &egui::Context) {
let mut w_ctx = self.ctx.write(); let mut w_ctx = self.ctx.write();
@ -47,7 +172,7 @@ impl PlatformCallbacks for Desktop {
let r_ctx = self.ctx.read(); let r_ctx = self.ctx.read();
if r_ctx.is_some() { if r_ctx.is_some() {
let ctx = r_ctx.as_ref().unwrap(); let ctx = r_ctx.as_ref().unwrap();
ctx.send_viewport_cmd(egui::ViewportCommand::Close); ctx.send_viewport_cmd(ViewportCommand::Close);
} }
} }
@ -71,15 +196,13 @@ impl PlatformCallbacks for Desktop {
let mut w_image = LAST_CAMERA_IMAGE.write(); let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None; *w_image = None;
} }
// Setup stop camera flag. // Setup stop camera flag.
let stop_camera = self.stop_camera.clone(); let stop_camera = self.stop_camera.clone();
stop_camera.store(false, Ordering::Relaxed); stop_camera.store(false, Ordering::Relaxed);
// Capture images at separate thread. Self::start_camera_capture(self.cameras_amount.clone(),
thread::spawn(move || { self.camera_index.clone(),
Self::start_camera_capture(stop_camera); stop_camera);
});
} }
fn stop_camera(&self) { fn stop_camera(&self) {
@ -96,11 +219,20 @@ impl PlatformCallbacks for Desktop {
} }
fn can_switch_camera(&self) -> bool { fn can_switch_camera(&self) -> bool {
false let amount = self.cameras_amount.load(Ordering::Relaxed);
amount > 1
} }
fn switch_camera(&self) { fn switch_camera(&self) {
return; self.stop_camera();
let index = self.camera_index.load(Ordering::Relaxed);
let amount = self.cameras_amount.load(Ordering::Relaxed);
if index == amount - 1 {
self.camera_index.store(0, Ordering::Relaxed);
} else {
self.camera_index.store(index + 1, Ordering::Relaxed);
}
self.start_camera();
} }
fn share_data(&self, name: String, data: Vec<u8>) -> Result<(), std::io::Error> { fn share_data(&self, name: String, data: Vec<u8>) -> Result<(), std::io::Error> {
@ -171,53 +303,6 @@ impl PlatformCallbacks for Desktop {
} }
} }
impl Desktop {
pub fn new() -> Self {
Self {
stop_camera: Arc::new(AtomicBool::new(false)),
ctx: Arc::new(RwLock::new(None)),
attention_required: Arc::new(AtomicBool::new(false)),
}
}
fn start_camera_capture(stop_camera: Arc<AtomicBool>) {
use nokhwa::Camera;
use nokhwa::pixel_format::RgbFormat;
use nokhwa::utils::{CameraIndex, RequestedFormat, RequestedFormatType};
let index = CameraIndex::Index(0);
let requested = RequestedFormat::new::<RgbFormat>(
RequestedFormatType::AbsoluteHighestFrameRate
);
// Create and open camera.
if let Ok(mut camera) = Camera::new(index, requested) {
if let Ok(_) = camera.open_stream() {
loop {
// Stop if camera was stopped.
if stop_camera.load(Ordering::Relaxed) {
stop_camera.store(false, Ordering::Relaxed);
// Clear image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None;
break;
}
// Get a frame.
if let Ok(frame) = camera.frame() {
// Save image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = Some((frame.buffer().to_vec(), 0));
} else {
// Clear image.
let mut w_image = LAST_CAMERA_IMAGE.write();
*w_image = None;
break;
}
}
let _ = camera.stop_stream();
};
}
}
}
lazy_static! { lazy_static! {
/// Last captured image from started camera. /// Last captured image from started camera.
static ref LAST_CAMERA_IMAGE: Arc<RwLock<Option<(Vec<u8>, u32)>>> = Arc::new(RwLock::new(None)); static ref LAST_CAMERA_IMAGE: Arc<RwLock<Option<(Vec<u8>, u32)>>> = Arc::new(RwLock::new(None));

43
src/gui/views/camera.rs
View file

@ -51,7 +51,7 @@ impl CameraContent {
/// Draw camera content. /// Draw camera content.
pub fn ui(&mut self, ui: &mut egui::Ui, cb: &dyn PlatformCallbacks) { pub fn ui(&mut self, ui: &mut egui::Ui, cb: &dyn PlatformCallbacks) {
ui.ctx().request_repaint(); ui.ctx().request_repaint();
if let Some(img_data) = cb.camera_image() { let rect = if let Some(img_data) = cb.camera_image() {
if let Ok(img) = if let Ok(img) =
image::load_from_memory(&*img_data.0) { image::load_from_memory(&*img_data.0) {
// Process image to find QR code. // Process image to find QR code.
@ -62,27 +62,28 @@ impl CameraContent {
// Show UR scan progress. // Show UR scan progress.
self.ur_progress_ui(ui); self.ur_progress_ui(ui);
img_rect
// Show button to switch cameras.
if cb.can_switch_camera() {
let r = {
let mut r = img_rect.clone();
r.min.y = r.max.y - 52.0;
r.min.x = r.max.x - 52.0;
r
};
ui.allocate_new_ui(UiBuilder::new().max_rect(r), |ui| {
let rotate_img = CAMERA_ROTATE.to_string();
View::button(ui, rotate_img, Colors::white_or_black(false), || {
cb.switch_camera();
});
});
}
} else { } else {
self.loading_ui(ui); self.loading_ui(ui)
} }
} else { } else {
self.loading_ui(ui); self.loading_ui(ui)
};
// Show button to switch cameras.
if cb.can_switch_camera() {
let r = {
let mut r = rect.clone();
r.min.y = r.max.y - 52.0;
r.min.x = r.max.x - 52.0;
r
};
ui.allocate_new_ui(UiBuilder::new().max_rect(r), |ui| {
let rotate_img = CAMERA_ROTATE.to_string();
View::button(ui, rotate_img, Colors::white_or_black(false), || {
cb.switch_camera();
});
});
} }
} }
@ -148,13 +149,13 @@ impl CameraContent {
} }
/// Draw camera loading progress content. /// Draw camera loading progress content.
fn loading_ui(&self, ui: &mut egui::Ui) { fn loading_ui(&self, ui: &mut egui::Ui) -> Rect {
let space = (ui.available_width() - View::BIG_SPINNER_SIZE) / 2.0; let space = (ui.available_width() - View::BIG_SPINNER_SIZE) / 2.0;
ui.vertical_centered(|ui| { ui.vertical_centered(|ui| {
ui.add_space(space); ui.add_space(space);
View::big_loading_spinner(ui); View::big_loading_spinner(ui);
ui.add_space(space); ui.add_space(space);
}); }).response.rect
} }
/// Check if image is processing to find QR code. /// Check if image is processing to find QR code.