added compiling version of example

Cargo.toml

@@ -1,3 +1,21 @@
-[workspace]
-members = ["helloworld"]
-resolver = "2"
+[package]
+name = "vcs-camera-satellite"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.86"
+config = "0.14.0"
+gst-plugin-webrtc = "0.13.0"
+gstreamer = { version = "0.23.0", features = ["v1_22"] }
+gstreamer-sdp = { version = "0.23.0", features = ["v1_22"] }
+gstreamer-webrtc = { version = "0.23.0", features = ["v1_22"] }
+log = "0.4.22"
+serde = { version = "1.0.204", features = ["derive"] }
+serde_json = "1.0.122"
+tokio = "1.39.2"
+tokio-tungstenite = "0.23.1"
+tracing = "0.1.40"
+tracing-subscriber = "0.3.18"

flake.lock

@@ -0,0 +1,62 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722421184,
+        "narHash": "sha256-/DJBI6trCeVnasdjUo9pbnodCLZcFqnVZiLUfqLH4jA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9f918d616c5321ad374ae6cb5ea89c9e04bf3e58",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1718428119,
+        "narHash": "sha256-WdWDpNaq6u1IPtxtYHHWpl5BmabtpmLnMAx0RdJ/vo8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e6cea36f83499eb4e9cd184c8a8e823296b50ad5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1722651535,
+        "narHash": "sha256-2uRmNwxe3CO5h7PfvqXrRe8OplXaEdwhqOUtaF13rpU=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "56d83ca6f3c557647476f3720426a7615c22b860",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -34,8 +34,15 @@ Some utility commands:
       };
       rustSettings = with pkgs; {
         src = ./.;
-        #nativeBuildInputs = [ pkg-config ];
-        #buildInputs = [ openssl ];
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [
+          openssl
+          gst_all_1.gstreamer
+          gst_all_1.gst-plugins-base
+          gst_all_1.gst-plugins-good
+          gst_all_1.gst-plugins-bad # contains gstreamer-webrtc-1.0
+          gst_all_1.gst-plugins-rs
+        ];
         cargoHash = nixpkgs.lib.fakeHash;
       };
       meta = with nixpkgs.lib; {

helloworld/Cargo.toml

@@ -1,8 +0,0 @@
-[package]
-name = "helloworld"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]

helloworld/src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}

src/main.rs

@@ -0,0 +1,41 @@
+mod signaller;
+
+// from outside the plugin repository, one would need to add plugin package as follows:
+// [dependencies]
+// gstrswebrtc = { package = "gst-plugin-webrtc", git = "https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/" }
+use gstrswebrtc;
+
+use anyhow::Error;
+use gstreamer::prelude::*;
+use gstrswebrtc::signaller as signaller_interface;
+use gstrswebrtc::webrtcsink;
+
+fn main() -> Result<(), Error> {
+    gstreamer::init()?;
+
+    let custom_signaller = signaller::MyCustomSignaller::new();
+    let webrtcsink = webrtcsink::BaseWebRTCSink::with_signaller(
+        signaller_interface::Signallable::from(custom_signaller),
+    );
+
+    let pipeline = gstreamer::Pipeline::new();
+
+    let video_src = gstreamer::ElementFactory::make("videotestsrc").build().unwrap();
+
+    pipeline
+        .add_many([&video_src, webrtcsink.upcast_ref()])
+        .unwrap();
+    video_src
+        .link(webrtcsink.upcast_ref::<gstreamer::Element>())
+        .unwrap();
+
+    let bus = pipeline.bus().unwrap();
+
+    pipeline.set_state(gstreamer::State::Playing).unwrap();
+
+    let _msg = bus.timed_pop_filtered(gstreamer::ClockTime::NONE, &[gstreamer::MessageType::Eos]);
+
+    pipeline.set_state(gstreamer::State::Null).unwrap();
+
+    Ok(())
+}

src/signaller/imp.rs

@@ -0,0 +1,48 @@
+use gstreamer::glib;
+use gstreamer::subclass::prelude::*;
+use gstreamer_webrtc::WebRTCSessionDescription;
+
+use gstrswebrtc::signaller::{Signallable, SignallableImpl};
+
+#[derive(Default)]
+pub struct Signaller {}
+
+impl Signaller {}
+
+impl SignallableImpl for Signaller {
+    fn start(&self) {
+        unimplemented!()
+    }
+
+    fn stop(&self) {
+        unimplemented!()
+    }
+
+    fn send_sdp(&self, _session_id: &str, _sdp: &WebRTCSessionDescription) {
+        unimplemented!()
+    }
+
+    fn add_ice(
+        &self,
+        _session_id: &str,
+        _candidate: &str,
+        _sdp_m_line_index: u32,
+        _sdp_mid: Option<String>,
+    ) {
+        unimplemented!()
+    }
+
+    fn end_session(&self, _session_id: &str) {
+        unimplemented!()
+    }
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for Signaller {
+    const NAME: &'static str = "MyCustomWebRTCSinkSignaller";
+    type Type = super::MyCustomSignaller;
+    type ParentType = glib::Object;
+    type Interfaces = (Signallable,);
+}
+
+impl ObjectImpl for Signaller {}

src/signaller/mod.rs

@@ -0,0 +1,20 @@
+use gstreamer::glib;
+use gstrswebrtc::signaller::Signallable;
+
+mod imp;
+
+glib::wrapper! {
+    pub struct MyCustomSignaller(ObjectSubclass<imp::Signaller>) @implements Signallable;
+}
+
+impl MyCustomSignaller {
+    pub fn new() -> Self {
+        glib::Object::new()
+    }
+}
+
+impl Default for MyCustomSignaller {
+    fn default() -> Self {
+        MyCustomSignaller::new()
+    }
+}