Add code to ignore jack as an audio device

Former-commit-id: 1dbaa796f82f2e9be26a3648e9aaca81f3348134

voxygen/Cargo.toml

@@ -24,6 +24,10 @@ conrod_core = { git = "https://gitlab.com/veloren/conrod.git" }
 conrod_winit = { git = "https://gitlab.com/veloren/conrod.git" }
 euc = "0.2"
 
+# Audio
+rodio = "0.8"
+lewton = "0.9"
+
 # ECS
 specs = "0.14"
 

voxygen/src/audio/mod.rs

@@ -0,0 +1,94 @@
+//extern crate byteorder;
+extern crate lewton;
+extern crate rodio;
+
+use common::assets;
+use rodio::{Decoder, Device, Source, SpatialSink};
+use std::{
+    collections::HashMap,
+    fs::File,
+    io::BufReader,
+    path::PathBuf,
+    sync::mpsc::{channel, Receiver, Sender, TryRecvError},
+    thread,
+    thread::{sleep, JoinHandle},
+    time::Duration,
+};
+use vek::*;
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct Position {
+    pub relative: bool,
+    pub pos: Vec3<f32>,
+    pub vel: Vec3<f32>,
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct Fade {
+    pub in_duration: Duration,
+    pub out_duration: Duration,
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct Stream {
+    pub buffer: u64,
+    pub start_tick: Duration,
+    pub duration: Duration,
+    pub volume: f32,
+    pub repeat: Option<()>,
+    pub positional: Option<Position>,
+    pub fading: Option<Fade>,
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub enum Buffer {
+    File(PathBuf),
+    Raw(Vec<u8>),
+}
+
+enum Msg {
+    Position(Vec3<f32>, Vec3<f32>, Mat4<f32>),
+    CreateSource(Buffer),
+    Stop,
+}
+
+pub struct AudioFrontend {
+    device: Device,
+    streams: HashMap<String, SpatialSink>, //always use SpatialSink even if no possition is used for now
+}
+
+impl AudioFrontend {
+    pub fn new() -> Self {
+        let mut device = rodio::default_output_device().unwrap();
+
+        for d in rodio::devices() {
+            if d.name().contains("jack") {
+                continue;
+            }
+
+            device = d;
+            break;
+        }
+
+        AudioFrontend {
+            device,
+            streams: HashMap::<String, SpatialSink>::new(),
+        }
+    }
+
+    pub fn play_music(&mut self, path: &str) {
+        let file = File::open(format!("assets/{}", path)).unwrap();
+        let src = Decoder::new(BufReader::new(file)).unwrap();
+
+        let mut sink = rodio::SpatialSink::new(
+            &self.device,
+            [0.0, 0.0, 0.0],
+            [1.0, 0.0, 0.0],
+            [-1.0, 0.0, 0.0],
+        );
+
+        sink.append(src);
+
+        self.streams.insert(path.to_string(), sink);
+    }
+}

voxygen/src/main.rs

@@ -4,6 +4,7 @@
 #[macro_use]
 pub mod ui;
 pub mod anim;
+pub mod audio;
 pub mod error;
 pub mod hud;
 pub mod key_state;
@@ -19,7 +20,7 @@ pub mod window;
 // Reexports
 pub use crate::error::Error;
 
-use crate::{menu::main::MainMenuState, settings::Settings, window::Window};
+use crate::{audio::AudioFrontend, menu::main::MainMenuState, settings::Settings, window::Window};
 use log;
 use simplelog::{CombinedLogger, Config, TermLogger, WriteLogger};
 use std::{fs::File, mem, panic, str::FromStr, thread};
@@ -31,6 +32,7 @@ const DEFAULT_PUBLIC_SERVER: &'static str = "server.veloren.net";
 pub struct GlobalState {
     settings: Settings,
     window: Window,
+    audio: AudioFrontend,
 }
 
 impl GlobalState {
@@ -91,7 +93,9 @@ fn main() {
     ])
     .unwrap();
 
-    // Set up panic handler to relay swish panic messages to the user.
+    let audio = AudioFrontend::new();
+
+    // Set up panic handler to relay swish panic messages to the user
     let settings_clone = settings.clone();
     let default_hook = panic::take_hook();
     panic::set_hook(Box::new(move |panic_info| {
@@ -153,7 +157,11 @@ fn main() {
         default_hook(panic_info);
     }));
 
-    let mut global_state = GlobalState { settings, window };
+    let mut global_state = GlobalState {
+        settings,
+        window,
+        audio,
+    };
 
     // Set up the initial play state.
     let mut states: Vec<Box<dyn PlayState>> = vec![Box::new(MainMenuState::new(&mut global_state))];

voxygen/src/menu/main/mod.rs

@@ -47,6 +47,10 @@ impl PlayState for MainMenuState {
         // Used for client creation.
         let mut client_init: Option<ClientInit> = None;
 
+        global_state
+            .audio
+            .play_music("voxygen/audio/soundtrack/veloren_title_tune-3.ogg");
+
         loop {
             // Handle window events.
             for event in global_state.window.fetch_events() {