Merge branch 'master' into events-on-prev-next

Cargo.lock

@@ -14,14 +14,6 @@ dependencies = [
  "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "aster"
-version = "0.41.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "syntex_syntax 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "base64"
 version = "0.5.2"
@@ -62,11 +54,6 @@ name = "bitflags"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "bitflags"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "bitflags"
 version = "1.0.1"
@@ -324,7 +311,6 @@ dependencies = [
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-bigint 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf_macros 0.6.0 (git+https://github.com/plietar/rust-protobuf-macros)",
  "rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "rpassword 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -371,7 +357,6 @@ dependencies = [
  "mdns 0.2.0 (git+https://github.com/plietar/rust-mdns)",
  "num-bigint 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf_macros 0.6.0 (git+https://github.com/plietar/rust-protobuf-macros)",
  "rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.9.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -428,6 +413,7 @@ name = "librespot-playback"
 version = "0.1.0"
 dependencies = [
  "alsa 0.0.1 (git+https://github.com/plietar/rust-alsa)",
+ "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "jack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -655,16 +641,6 @@ name = "protobuf"
 version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "protobuf_macros"
-version = "0.6.0"
-source = "git+https://github.com/plietar/rust-protobuf-macros#f186dc5a16c0d79f14c319ac8ce30b06de0cefee"
-dependencies = [
- "aster 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_syntax 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "quick-error"
 version = "1.2.1"
@@ -833,48 +809,6 @@ dependencies = [
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "syntex"
-version = "0.58.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "syntex_errors 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_syntax 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syntex_errors"
-version = "0.58.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_pos 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syntex_pos"
-version = "0.58.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syntex_syntax"
-version = "0.58.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_errors 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_pos 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "take"
 version = "0.1.0"
@@ -892,15 +826,6 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "term"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "termios"
 version = "0.2.2"
@@ -1177,14 +1102,12 @@ dependencies = [
 [metadata]
 "checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
 "checksum alsa 0.0.1 (git+https://github.com/plietar/rust-alsa)" = "<none>"
-"checksum aster 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ccfdf7355d9db158df68f976ed030ab0f6578af811f5a7bb6dcf221ec24e0e0"
 "checksum base64 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "30e93c03064e7590d0466209155251b90c22e37fab1daf2771582598b5827557"
 "checksum base64 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "229d032f1a99302697f10b27167ae6d03d49d032e6a8e2550e8d3fc13356d2b4"
 "checksum bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9bf6104718e80d7b26a68fdbacff3481cfc05df670821affc7e9cbc1884400c"
 "checksum bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "02b4ff8b16e6076c3e14220b39fbc1fabb6737522281a388998046859400895f"
 "checksum bitflags 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "32866f4d103c4e438b1db1158aa1b1a80ee078e5d77a59a2f906fd62a577389c"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
-"checksum bitflags 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1370e9fc2a6ae53aea8b7a5110edbd08836ed87c88736dfabccade1c2b44bff4"
 "checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
 "checksum byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
 "checksum byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "652805b7e73fada9d85e9a6682a4abd490cb52d96aeecc12e33a0de34dfd0d23"
@@ -1241,7 +1164,6 @@ dependencies = [
 "checksum portaudio-rs 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "029e0ab393b44b2d825efbc755cae51c36be7a99d91356b2052be0ed05836636"
 "checksum portaudio-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5194a4fa953b4ffd851c320ef6f0484cd7278cb7169ea9d6c433e49b23f7b7f5"
 "checksum protobuf 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bec26e67194b7d991908145fdf21b7cae8b08423d96dcb9e860cd31f854b9506"
-"checksum protobuf_macros 0.6.0 (git+https://github.com/plietar/rust-protobuf-macros)" = "<none>"
 "checksum quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eda5fe9b71976e62bc81b781206aaa076401769b2143379d3eb2118388babac4"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum rand 0.3.20 (registry+https://github.com/rust-lang/crates.io-index)" = "512870020642bb8c221bf68baa1b2573da814f6ccfe5c9699b1c303047abe9b1"
@@ -1265,13 +1187,8 @@ dependencies = [
 "checksum smallvec 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4c8cbcd6df1e117c2210e13ab5109635ad68a929fcbb8964dc965b76cb5ee013"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
-"checksum syntex 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a8f5e3aaa79319573d19938ea38d068056b826db9883a5d47f86c1cecc688f0e"
-"checksum syntex_errors 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "867cc5c2d7140ae7eaad2ae9e8bf39cb18a67ca651b7834f88d46ca98faadb9c"
-"checksum syntex_pos 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "13ad4762fe52abc9f4008e85c4fb1b1fe3aa91ccb99ff4826a439c7c598e1047"
-"checksum syntex_syntax 0.58.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6e0e4dbae163dd98989464c23dd503161b338790640e11537686f2ef0f25c791"
 "checksum take 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b157868d8ac1f56b64604539990685fa7611d8fa9e5476cf0c02cf34d32917c5"
 "checksum tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11ce2fe9db64b842314052e2421ac61a73ce41b898dc8e3750398b219c5fc1e0"
-"checksum term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "fa63644f74ce96fbeb9b794f66aff2a52d601cbd5e80f4b97123e3899f4570f1"
 "checksum termios 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d5d9cf598a6d7ce700a4e6a9199da127e6819a61e64b68609683cc9a01b5683a"
 "checksum thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "279ef31c19ededf577bfd12dfae728040a21f635b06a24cd670ff510edd38963"
 "checksum time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "a15375f1df02096fb3317256ce2cee6a1f42fc84ea5ad5fc8c421cfe40c73098"

Cargo.toml

@@ -55,7 +55,6 @@ url = "1.3"
 [build-dependencies]
 rand            = "0.3.13"
 vergen          = "0.1.0"
-protobuf_macros = { git = "https://github.com/plietar/rust-protobuf-macros", features = ["with-syntex"] }
 
 [replace]
 "rust-crypto:0.2.36" = { git = "https://github.com/awmath/rust-crypto.git", branch = "avx2" }

connect/Cargo.toml

@@ -2,7 +2,6 @@
 name = "librespot-connect"
 version = "0.1.0"
 authors = ["Paul Lietar <paul@lietar.net>"]
-build = "build.rs"
 
 [dependencies.librespot-core]
 path = "../core"
@@ -29,9 +28,6 @@ url = "1.3"
 dns-sd = { version = "0.1.3", optional = true }
 mdns = { git = "https://github.com/plietar/rust-mdns", optional = true }
 
-[build-dependencies]
-protobuf_macros = { git = "https://github.com/plietar/rust-protobuf-macros", features = ["with-syntex"] }
-
 [features]
 default = ["mdns"]
 with-dns-sd = ["dns-sd"]

connect/build.rs

@@ -1,13 +0,0 @@
-extern crate protobuf_macros;
-
-use std::env;
-use std::path::PathBuf;
-
-fn main() {
-    let out = PathBuf::from(env::var("OUT_DIR").unwrap());
-
-    protobuf_macros::expand("src/lib.in.rs", &out.join("lib.rs")).unwrap();
-
-    println!("cargo:rerun-if-changed=src/lib.in.rs");
-    println!("cargo:rerun-if-changed=src/spirc.rs");
-}

connect/src/lib.in.rs

@@ -1,2 +0,0 @@
-#[allow(unused_mut)]
-pub mod spirc;

connect/src/lib.rs

@@ -24,5 +24,4 @@ extern crate librespot_playback as playback;
 extern crate librespot_protocol as protocol;
 
 pub mod discovery;
-
+pub mod spirc;
-include!(concat!(env!("OUT_DIR"), "/lib.rs"));

connect/src/spirc.rs

@@ -64,71 +64,110 @@ fn now_ms() -> i64 {
 }
 
 fn initial_state() -> State {
-    protobuf_init!(protocol::spirc::State::new(), {
+    let mut frame = protocol::spirc::State::new();
-        repeat: false,
+    frame.set_repeat(false);
-        shuffle: false,
+    frame.set_shuffle(false);
-        status: PlayStatus::kPlayStatusStop,
+    frame.set_status(PlayStatus::kPlayStatusStop);
-        position_ms: 0,
+    frame.set_position_ms(0);
-        position_measured_at: 0,
+    frame.set_position_measured_at(0);
-    })
+    frame
 }
 
 fn initial_device_state(config: ConnectConfig, volume: u16) -> DeviceState {
-    protobuf_init!(DeviceState::new(), {
+    {
-        sw_version: version::version_string(),
+        let mut msg = DeviceState::new();
-        is_active: false,
+        msg.set_sw_version(version::version_string());
-        can_play: true,
+        msg.set_is_active(false);
-        volume: volume as u32,
+        msg.set_can_play(true);
-        name: config.name,
+        msg.set_volume(volume as u32);
-        capabilities => [
+        msg.set_name(config.name);
-            @{
+        {
-                typ: protocol::spirc::CapabilityType::kCanBePlayer,
+            let repeated = msg.mut_capabilities();
-                intValue => [1]
+            {
-            },
+                let msg = repeated.push_default();
-            @{
+                msg.set_typ(protocol::spirc::CapabilityType::kCanBePlayer);
-                typ: protocol::spirc::CapabilityType::kDeviceType,
+                {
-                intValue => [config.device_type as i64]
+                    let repeated = msg.mut_intValue();
-            },
+                    repeated.push(1)
-            @{
+                };
-                typ: protocol::spirc::CapabilityType::kGaiaEqConnectId,
+                msg
-                intValue => [1]
+            };
-            },
+            {
-            @{
+                let msg = repeated.push_default();
-                typ: protocol::spirc::CapabilityType::kSupportsLogout,
+                msg.set_typ(protocol::spirc::CapabilityType::kDeviceType);
-                intValue => [0]
+                {
-            },
+                    let repeated = msg.mut_intValue();
-            @{
+                    repeated.push(config.device_type as i64)
-                typ: protocol::spirc::CapabilityType::kIsObservable,
+                };
-                intValue => [1]
+                msg
-            },
+            };
-            @{
+            {
-                typ: protocol::spirc::CapabilityType::kVolumeSteps,
+                let msg = repeated.push_default();
-                intValue => [64]
+                msg.set_typ(protocol::spirc::CapabilityType::kGaiaEqConnectId);
-            },
+                {
-            @{
+                    let repeated = msg.mut_intValue();
-                typ: protocol::spirc::CapabilityType::kSupportedContexts,
+                    repeated.push(1)
-                stringValue => [
+                };
-                    "album",
+                msg
-                    "playlist",
+            };
-                    "search",
+            {
-                    "inbox",
+                let msg = repeated.push_default();
-                    "toplist",
+                msg.set_typ(protocol::spirc::CapabilityType::kSupportsLogout);
-                    "starred",
+                {
-                    "publishedstarred",
+                    let repeated = msg.mut_intValue();
-                    "track",
+                    repeated.push(0)
-                ]
+                };
-            },
+                msg
-            @{
+            };
-                typ: protocol::spirc::CapabilityType::kSupportedTypes,
+            {
-                stringValue => [
+                let msg = repeated.push_default();
-                    "audio/local",
+                msg.set_typ(protocol::spirc::CapabilityType::kIsObservable);
-                    "audio/track",
+                {
-                    "local",
+                    let repeated = msg.mut_intValue();
-                    "track",
+                    repeated.push(1)
-                ]
+                };
+                msg
+            };
+            {
+                let msg = repeated.push_default();
+                msg.set_typ(protocol::spirc::CapabilityType::kVolumeSteps);
+                {
+                    let repeated = msg.mut_intValue();
+                    repeated.push(64)
+                };
+                msg
+            };
+            {
+                let msg = repeated.push_default();
+                msg.set_typ(protocol::spirc::CapabilityType::kSupportedContexts);
+                {
+                    let repeated = msg.mut_stringValue();
+                    repeated.push(::std::convert::Into::into("album"));
+                    repeated.push(::std::convert::Into::into("playlist"));
+                    repeated.push(::std::convert::Into::into("search"));
+                    repeated.push(::std::convert::Into::into("inbox"));
+                    repeated.push(::std::convert::Into::into("toplist"));
+                    repeated.push(::std::convert::Into::into("starred"));
+                    repeated.push(::std::convert::Into::into("publishedstarred"));
+                    repeated.push(::std::convert::Into::into("track"))
+                };
+                msg
+            };
+            {
+                let msg = repeated.push_default();
+                msg.set_typ(protocol::spirc::CapabilityType::kSupportedTypes);
+                {
+                    let repeated = msg.mut_stringValue();
+                    repeated.push(::std::convert::Into::into("audio/local"));
+                    repeated.push(::std::convert::Into::into("audio/track"));
+                    repeated.push(::std::convert::Into::into("local"));
+                    repeated.push(::std::convert::Into::into("track"))
+                };
+                msg
+            };
+        };
+        msg
     }
-        ],
-    })
 }
 
 fn volume_to_mixer(volume: u16) -> u16 {
@@ -628,9 +667,13 @@ impl SpircTask {
     fn update_tracks(&mut self, frame: &protocol::spirc::Frame) {
         let index = frame.get_state().get_playing_track_index();
         let tracks = frame.get_state().get_track();
+        let context_uri = frame.get_state().get_context_uri().to_owned();
 
         self.state.set_playing_track_index(index);
         self.state.set_track(tracks.into_iter().cloned().collect());
+        self.state.set_context_uri(context_uri);
+        self.state.set_repeat(frame.get_state().get_repeat());
+        self.state.set_shuffle(frame.get_state().get_shuffle());
     }
 
     fn load_track(&mut self, play: bool) {
@@ -678,17 +721,14 @@ struct CommandSender<'a> {
 
 impl<'a> CommandSender<'a> {
     fn new(spirc: &'a mut SpircTask, cmd: MessageType) -> CommandSender {
-        let frame = protobuf_init!(protocol::spirc::Frame::new(), {
+        let mut frame = protocol::spirc::Frame::new();
-            version: 1,
+        frame.set_version(1);
-            protocol_version: "2.0.0",
+        frame.set_protocol_version(::std::convert::Into::into("2.0.0"));
-            ident: spirc.ident.clone(),
+        frame.set_ident(spirc.ident.clone());
-            seq_nr: spirc.sequence.get(),
+        frame.set_seq_nr(spirc.sequence.get());
-            typ: cmd,
+        frame.set_typ(cmd);
-
+        frame.set_device_state(spirc.device.clone());
-            device_state: spirc.device.clone(),
+        frame.set_state_update_id(now_ms());
-            state_update_id: now_ms(),
-        });
-
         CommandSender {
             spirc: spirc,
             frame: frame,

core/src/session.rs

@@ -1,6 +1,4 @@
 use bytes::Bytes;
-use crypto::digest::Digest;
-use crypto::sha1::Sha1;
 use futures::{Async, Future, IntoFuture, Poll, Stream};
 use futures::sync::mpsc;
 use std::io;
@@ -45,12 +43,6 @@ static SESSION_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
 #[derive(Clone)]
 pub struct Session(Arc<SessionInternal>);
 
-pub fn device_id(name: &str) -> String {
-    let mut h = Sha1::new();
-    h.input_str(name);
-    h.result_str()
-}
-
 impl Session {
     pub fn connect(
         config: SessionConfig,

core/src/util/int128.rs

@@ -2,7 +2,7 @@ use std;
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 #[allow(non_camel_case_types)]
-pub struct u128 {
+pub(crate) struct u128 {
     high: u64,
     low: u64,
 }

core/src/util/mod.rs

@@ -7,7 +7,7 @@ use std::ops::{Mul, Rem, Shr};
 
 mod int128;
 
-pub use util::int128::u128;
+pub(crate) use util::int128::u128;
 
 pub fn rand_vec<G: Rng, R: Rand>(rng: &mut G, size: usize) -> Vec<R> {
     rng.gen_iter().take(size).collect()

examples/play.rs

@@ -5,12 +5,13 @@ use std::env;
 use tokio_core::reactor::Core;
 
 use librespot::core::authentication::Credentials;
-use librespot::playback::config::{PlayerConfig, SessionConfig};
+use librespot::core::config::SessionConfig;
+use librespot::playback::config::PlayerConfig;
 use librespot::core::session::Session;
 use librespot::core::spotify_id::SpotifyId;
 
-use librespot::audio_backend;
+use librespot::playback::audio_backend;
-use librespot::player::Player;
+use librespot::playback::player::Player;
 
 fn main() {
     let mut core = Core::new().unwrap();

playback/Cargo.toml

@@ -13,6 +13,7 @@ path = "../metadata"
 [dependencies]
 futures = "0.1.8"
 log = "0.3.5"
+byteorder = "1.2.1"
 
 alsa            = { git = "https://github.com/plietar/rust-alsa", optional = true }
 portaudio-rs    = { version = "0.3.0", optional = true }

playback/src/config.rs

@@ -28,12 +28,16 @@ impl Default for Bitrate {
 #[derive(Clone, Debug)]
 pub struct PlayerConfig {
     pub bitrate: Bitrate,
+    pub normalisation: bool,
+    pub normalisation_pregain: f32,
 }
 
 impl Default for PlayerConfig {
     fn default() -> PlayerConfig {
         PlayerConfig {
             bitrate: Bitrate::default(),
+            normalisation: false,
+            normalisation_pregain: 0.0,
         }
     }
 }

playback/src/lib.rs

@@ -1,6 +1,7 @@
 #[macro_use] extern crate log;
 
 extern crate futures;
+extern crate byteorder;
 
 #[cfg(feature = "alsa-backend")]
 extern crate alsa;

playback/src/player.rs

@@ -1,3 +1,4 @@
+use byteorder::{LittleEndian, ReadBytesExt};
 use futures::sync::oneshot;
 use futures::{future, Future};
 use futures;
@@ -61,6 +62,50 @@ pub enum PlayerEvent {
 }
 
 type PlayerEventChannel = futures::sync::mpsc::UnboundedReceiver<PlayerEvent>;
+
+#[derive(Clone, Copy, Debug)]
+struct NormalisationData {
+    track_gain_db: f32,
+    track_peak: f32,
+    album_gain_db: f32,
+    album_peak: f32,
+}
+
+impl NormalisationData {
+    fn parse_from_file<T: Read + Seek>(mut file: T) -> Result<NormalisationData> {
+        const SPOTIFY_NORMALIZATION_HEADER_START_OFFSET: u64 = 144;
+        file.seek(SeekFrom::Start(SPOTIFY_NORMALIZATION_HEADER_START_OFFSET)).unwrap();
+
+        let track_gain_db = file.read_f32::<LittleEndian>().unwrap();
+        let track_peak = file.read_f32::<LittleEndian>().unwrap();
+        let album_gain_db = file.read_f32::<LittleEndian>().unwrap();
+        let album_peak = file.read_f32::<LittleEndian>().unwrap();
+
+        let r = NormalisationData {
+            track_gain_db: track_gain_db,
+            track_peak: track_peak,
+            album_gain_db: album_gain_db,
+            album_peak: album_peak,
+        };
+
+        Ok(r)
+    }
+
+    fn get_factor(config: &PlayerConfig, data: NormalisationData) -> f32 {
+        let mut normalisation_factor = f32::powf(10.0, (data.track_gain_db + config.normalisation_pregain) / 20.0);
+
+        if normalisation_factor * data.track_peak > 1.0 {
+            warn!("Reducing normalisation factor to prevent clipping. Please add negative pregain to avoid.");
+            normalisation_factor = 1.0 / data.track_peak;
+        }
+
+        debug!("Normalisation Data: {:?}", data);
+        debug!("Applied normalisation factor: {}", normalisation_factor);
+
+        normalisation_factor
+    }
+}
+
 impl Player {
     pub fn new<F>(config: PlayerConfig, session: Session,
                   audio_filter: Option<Box<AudioFilter + Send>>,
@@ -142,11 +187,13 @@ enum PlayerState {
         track_id: SpotifyId,
         decoder: Decoder,
         end_of_track: oneshot::Sender<()>,
+        normalisation_factor: f32,
     },
     Playing {
         track_id: SpotifyId,
         decoder: Decoder,
         end_of_track: oneshot::Sender<()>,
+        normalisation_factor: f32,
     },
     EndOfTrack { track_id: SpotifyId },
     Invalid,
@@ -176,7 +223,7 @@ impl PlayerState {
         use self::PlayerState::*;
         match mem::replace(self, Invalid) {
             Playing { track_id, end_of_track, ..} => {
-                end_of_track.send(());
+                let _ = end_of_track.send(());
                 *self = EndOfTrack { track_id };
             },
             _ => panic!("Called playing_to_end_of_track in non-playing state.")
@@ -186,11 +233,12 @@ impl PlayerState {
     fn paused_to_playing(&mut self) {
         use self::PlayerState::*;
         match ::std::mem::replace(self, Invalid) {
-            Paused { decoder, end_of_track, track_id } => {
+            Paused { track_id, decoder, end_of_track, normalisation_factor } => {
                 *self = Playing {
+                    track_id: track_id,
                     decoder: decoder,
                     end_of_track: end_of_track,
-                    track_id: track_id,
+                    normalisation_factor: normalisation_factor,
                 };
             }
             _ => panic!("invalid state"),
@@ -200,11 +248,12 @@ impl PlayerState {
     fn playing_to_paused(&mut self) {
         use self::PlayerState::*;
         match ::std::mem::replace(self, Invalid) {
-            Playing { decoder, end_of_track, track_id } => {
+            Playing { track_id, decoder, end_of_track, normalisation_factor } => {
                 *self = Paused {
+                    track_id: track_id,
                     decoder: decoder,
                     end_of_track: end_of_track,
-                    track_id: track_id,
+                    normalisation_factor: normalisation_factor,
                 };
             }
             _ => panic!("invalid state"),
@@ -248,14 +297,17 @@ impl PlayerInternal {
             }
 
             if self.sink_running {
-                let packet = if let PlayerState::Playing { ref mut decoder, .. } = self.state {
+                let mut current_normalisation_factor: f32 = 1.0;
+
+                let packet = if let PlayerState::Playing { ref mut decoder, normalisation_factor, .. } = self.state {
+                    current_normalisation_factor = normalisation_factor;
                     Some(decoder.next_packet().expect("Vorbis error"))
                 } else {
                     None
                 };
 
                 if let Some(packet) = packet {
-                    self.handle_packet(packet);
+                    self.handle_packet(packet, current_normalisation_factor);
                 }
             }
         }
@@ -279,13 +331,19 @@ impl PlayerInternal {
         self.sink_running = false;
     }
 
-    fn handle_packet(&mut self, packet: Option<VorbisPacket>) {
+    fn handle_packet(&mut self, packet: Option<VorbisPacket>, normalisation_factor: f32) {
         match packet {
             Some(mut packet) => {
                 if let Some(ref editor) = self.audio_filter {
                     editor.modify_stream(&mut packet.data_mut())
                 };
 
+                if self.config.normalisation && normalisation_factor != 1.0 {
+                    for x in packet.data_mut().iter_mut() {
+                        *x = (*x as f32 * normalisation_factor) as i16;
+                    }
+                }
+
                 if let Err(err) = self.sink.write(&packet.data()) {
                     error!("Could not write audio: {}", err);
                     self.stop_sink();
@@ -308,7 +366,7 @@ impl PlayerInternal {
                 }
 
                 match self.load_track(track_id, position as i64) {
-                    Some(decoder) => {
+                    Some((decoder, normalisation_factor)) => {
                         if play {
                             match self.state {
                                 PlayerState::Playing { track_id: old_track_id, ..}
@@ -326,12 +384,14 @@ impl PlayerInternal {
                                 track_id: track_id,
                                 decoder: decoder,
                                 end_of_track: end_of_track,
+                                normalisation_factor: normalisation_factor,
                             };
                         } else {
                             self.state = PlayerState::Paused {
                                 track_id: track_id,
                                 decoder: decoder,
                                 end_of_track: end_of_track,
+                                normalisation_factor: normalisation_factor,
                             };
                             match self.state {
                                 PlayerState::Playing { track_id: old_track_id, ..}
@@ -422,7 +482,7 @@ impl PlayerInternal {
         }
     }
 
-    fn load_track(&self, track_id: SpotifyId, position: i64) -> Option<Decoder> {
+    fn load_track(&self, track_id: SpotifyId, position: i64) -> Option<(Decoder, f32)> {
         let track = Track::get(&self.session, track_id).wait().unwrap();
 
         info!("Loading track \"{}\"", track.name);
@@ -452,7 +512,18 @@ impl PlayerInternal {
         let key = self.session.audio_key().request(track.id, file_id).wait().unwrap();
 
         let encrypted_file = AudioFile::open(&self.session, file_id).wait().unwrap();
-        let audio_file = Subfile::new(AudioDecrypt::new(key, encrypted_file), 0xa7);
+
+        let mut decrypted_file = AudioDecrypt::new(key, encrypted_file);
+
+        let normalisation_factor = match NormalisationData::parse_from_file(&mut decrypted_file) {
+            Ok(normalisation_data) => NormalisationData::get_factor(&self.config, normalisation_data),
+            Err(_) => {
+                warn!("Unable to extract normalisation data, using default value.");
+                1.0 as f32
+            },
+        };
+
+        let audio_file = Subfile::new(decrypted_file, 0xa7);
 
         let mut decoder = VorbisDecoder::new(audio_file).unwrap();
 
@@ -463,7 +534,7 @@ impl PlayerInternal {
 
         info!("Track \"{}\" loaded", track.name);
 
-        Some(decoder)
+        Some((decoder, normalisation_factor))
     }
 }
 

src/main.rs

@@ -6,6 +6,7 @@ extern crate librespot;
 extern crate tokio_core;
 extern crate tokio_io;
 extern crate tokio_signal;
+extern crate crypto;
 
 use env_logger::LogBuilder;
 use futures::{Future, Async, Poll, Stream};
@@ -18,6 +19,8 @@ use std::str::FromStr;
 use tokio_core::reactor::{Handle, Core};
 use tokio_io::IoStream;
 use std::mem;
+use crypto::digest::Digest;
+use crypto::sha1::Sha1;
 
 use librespot::core::authentication::{get_credentials, Credentials};
 use librespot::core::cache::Cache;
@@ -35,6 +38,12 @@ use librespot::connect::spirc::{Spirc, SpircTask};
 mod player_event_handler;
 use player_event_handler::run_program_on_events;
 
+fn device_id(name: &str) -> String {
+    let mut h = Sha1::new();
+    h.input_str(name);
+    h.result_str()
+}
+
 fn usage(program: &str, opts: &getopts::Options) -> String {
     let brief = format!("Usage: {} [options]", program);
     opts.usage(&brief)
@@ -106,7 +115,9 @@ fn setup(args: &[String]) -> Setup {
         .optopt("", "device", "Audio device to use. Use '?' to list options if using portaudio", "DEVICE")
         .optopt("", "mixer", "Mixer to use", "MIXER")
         .optopt("", "initial-volume", "Initial volume in %, once connected (must be from 0 to 100)", "VOLUME")
-        .optopt("", "zeroconf-port", "The port the internal server advertised over zeroconf uses.", "ZEROCONF_PORT");
+        .optopt("", "zeroconf-port", "The port the internal server advertised over zeroconf uses.", "ZEROCONF_PORT")
+        .optflag("", "enable-volume-normalisation", "Play all tracks at the same volume")
+        .optopt("", "normalisation-pregain", "Pregain (dB) applied by volume normalisation", "PREGAIN");
 
     let matches = match opts.parse(&args[1..]) {
         Ok(m) => m,
@@ -174,7 +185,7 @@ fn setup(args: &[String]) -> Setup {
     };
 
     let session_config = {
-        let device_id = librespot::core::session::device_id(&name);
+        let device_id = device_id(&name);
 
         SessionConfig {
             user_agent: version::version_string(),
@@ -187,7 +198,13 @@ fn setup(args: &[String]) -> Setup {
             .map(|bitrate| Bitrate::from_str(bitrate).expect("Invalid bitrate"))
             .unwrap_or(Bitrate::default());
 
-        PlayerConfig { bitrate: bitrate }
+        PlayerConfig {
+            bitrate: bitrate,
+            normalisation: matches.opt_present("enable-volume-normalisation"),
+            normalisation_pregain: matches.opt_str("normalisation-pregain")
+                .map(|pregain| pregain.parse::<f32>().expect("Invalid pregain float value"))
+                .unwrap_or(PlayerConfig::default().normalisation_pregain),
+        }
     };
 
     let connect_config = {