s: Add simple example

Something needs to compile the sys crate for the requested target or the make target for the bindings file will not work.

Author: apljungquist

Cargo.lock

@@ -6,8 +6,9 @@ adbf3ad9c2af82886e5a3aefef58e05296d89b2f  target-aarch64/acap/consume_analytics_
 16310c12bb50db85d69c744d13c93ebf0c628953  target-aarch64/acap/embedded_web_page_0_0_0_aarch64.eap
 ad7eaec0d3ad651fa3e6aee874f5d5d70a687c9e  target-aarch64/acap/event_subscribe_1_0_0_aarch64.eap
 1fc3cae517186fe2697bb92a6e1e1f2114da1fe1  target-aarch64/acap/hello_world_0_0_0_aarch64.eap
-e90ac26398107f9e9458296cf62f22362f038619  target-aarch64/acap/inspect_env_0_0_0_aarch64.eap
+e76203e6d34370cb4a3922f46d1c71ae3bd6f18d  target-aarch64/acap/inspect_env_0_0_0_aarch64.eap
 2ab612a20c88a7a7bc606724d73560d2e3bee3bc  target-aarch64/acap/licensekey_handler_0_0_0_aarch64.eap
+edddaf543f69182c974f625530105cf64ee7ec6b  target-aarch64/acap/object_detection_1_0_0_aarch64.eap
 d0d8f34a79c037b9f9ad8a15c39bc62330426a7e  target-aarch64/acap/reverse_proxy_0_0_0_aarch64.eap
 8ce0692d6d4eb41d335533e5bedf2dfa35ca890d  target-aarch64/acap/send_event_1_0_0_aarch64.eap
 9df8dead66b245aa19d3aafa758871118b8cc25f  target-aarch64/acap/using_a_build_script_0_0_0_aarch64.eap

apps-aarch64.checksum

@@ -8,6 +8,7 @@
 1947	target-aarch64/acap/hello_world_0_0_0_aarch64.eap
 1982	target-aarch64/acap/inspect_env_0_0_0_aarch64.eap
 1969	target-aarch64/acap/licensekey_handler_0_0_0_aarch64.eap
+1950	target-aarch64/acap/object_detection_1_0_0_aarch64.eap
 10873	target-aarch64/acap/reverse_proxy_0_0_0_aarch64.eap
 3982	target-aarch64/acap/send_event_1_0_0_aarch64.eap
 899	target-aarch64/acap/using_a_build_script_0_0_0_aarch64.eap

apps-aarch64.filesize

@@ -0,0 +1,12 @@
+[package]
+name = "object_detection"
+version = "0.0.0"
+edition.workspace = true
+publish = false
+
+[dependencies]
+anyhow = { workspace = true }
+log = { workspace = true }
+
+acap-logging = { workspace = true }
+larod-sys = { workspace = true }

apps/object_detection/Cargo.toml

@@ -0,0 +1,11 @@
+{
+  "schemaVersion": "1.4.0",
+  "acapPackageConf": {
+    "setup": {
+      "appName": "object_detection",
+      "vendor": "Axis Communications",
+      "runMode": "never",
+      "version": "1.0.0"
+    }
+  }
+}

apps/object_detection/manifest.json

@@ -0,0 +1,35 @@
+//! This application loads a larod model which takes an image as input and outputs values
+//! corresponding to the class, score and location of detected objects in the image.
+//!
+//! # Arguments
+//!
+//! 1. `MODEL`: a string describing the path to the model.
+//! 2. `WIDTH`: an integer for the input width. ß
+//! 3. `HEIGHT`: an integer for the input height.
+//! 4. `QUALITY`: an integer for the desired jpeg quality.
+//! 5. `RAW_WIDTH`: an integer for camera width resolution.
+//! 6. `RAW_HEIGHT`: an integer for camera height resolution.
+//! 7. `THRESHOLD`: an integer ranging from 0 to 100 to select good detections.
+//! 8. `LABELSFILE`: a string describing the path to the label txt.
+
+use log::{error, info};
+
+fn main() {
+    acap_logging::init_logger();
+    let mut conn: *mut larod_sys::larodConnection = std::ptr::null_mut();
+    let mut error: *mut larod_sys::larodError = std::ptr::null_mut();
+    if unsafe{!larod_sys::larodConnect(&mut conn, &mut error)} {
+        error!("Could not connect to larod");
+        return;
+    }
+    assert!(error.is_null());
+
+    let mut num_sessions = u64::MAX; 
+    if unsafe{!larod_sys::larodGetNumSessions(conn, &mut num_sessions, &mut error)} {
+        error!("Could not get the number of sessions");
+        return;
+    }
+
+    info!("Number of sessions: {num_sessions}");
+    todo!("Implement the real example")
+}