meson.build

@@ -1,6 +1,6 @@
 project(
   'audrey',
-  'c',
+  ['c', 'vala'],
   version: '0.1.0',  # AUDREY_VERSION
   meson_version: '>= 1.0.0',
   default_options: ['warning_level=0', 'werror=false'],
@@ -10,6 +10,7 @@ i18n = import('i18n')
 gnome = import('gnome')
 fs = import('fs')
 cc = meson.get_compiler('c')
+valac = meson.get_compiler('vala')
 
 srcdir = meson.project_source_root() / 'src'
 
@@ -19,6 +20,7 @@ config_h.set_quoted('GETTEXT_PACKAGE', 'audrey')
 config_h.set_quoted('LOCALEDIR', get_option('prefix') / get_option('localedir'))
 configure_file(output: 'config.h', configuration: config_h)
 
+config_dep = valac.find_library('config', dirs: srcdir)
 config_inc = include_directories('.')
 
 add_project_arguments(
@@ -52,12 +54,17 @@ endif
 cargo = find_program('cargo')
 cargo_env = environment()
 cargo_env.set('MESON_BUILD_ROOT', meson.project_build_root())
+cargo_env.append(
+  'RUSTFLAGS',
+  '-L ' + fs.parent(audrey_c.full_path()),
+  separator: ' ',
+)
 
 custom_target(
   'cargo-build',
   build_by_default: true,
   build_always_stale: true,
-  depends: blueprints,
+  depends: [audrey_c, blueprints],
   input: config_rs,
   console: true,
   # means nothing (always stale and uncopied), we can't cp since env: drops the /bin/sh wrapper

resources/meson.build

@@ -22,3 +22,10 @@ blueprints = custom_target(
     '@INPUT@',
   ],
 )
+
+removeme = gnome.compile_resources(
+  'audrey-resources',
+  'audrey.gresource.xml',
+  c_name: 'audrey',
+  dependencies: blueprints,
+)

src/config.vapi

@@ -0,0 +1,6 @@
+[CCode (cprefix = "", lower_case_cprefix = "", cheader_filename = "config.h")]
+namespace Audrey.Config {
+    public const string GETTEXT_PACKAGE;
+    public const string LOCALEDIR;
+    public const string PACKAGE_VERSION;
+}

src/globalconf.vala

@@ -0,0 +1,3 @@
+namespace Audrey.Const {
+  public const string user_agent = "audrey/linux";
+}

src/main.rs

@@ -16,8 +16,8 @@ pub use playbin_song::Song as PlaybinSong;
 
 pub mod subsonic;
 
-pub mod playbin;
-pub type Playbin = playbin::Playbin<PlaybinSong>;
+pub mod playbin2;
+pub type Playbin = playbin2::Playbin<PlaybinSong>;
 
 mod signal;
 pub use signal::{Signal, SignalEmitter, SignalHandler};
@@ -28,6 +28,13 @@ use gtk::{gio, glib};
 
 pub mod mpv;
 
+#[link(name = "audrey")]
+#[link(name = "gcrypt")]
+#[link(name = "json-glib-1.0")]
+#[link(name = "secret-1")]
+#[link(name = "soup-3.0")]
+extern "C" {}
+
 fn main() -> glib::ExitCode {
     gio::resources_register_include!("audrey.gresource").expect("could not register resources");
 

src/meson.build

@@ -1,5 +1,40 @@
+audrey_sources = [
+  'globalconf.vala',
+  'playbin.vala',
+  'rust.vapi',
+  'subsonic.vala',
+]
+
+audrey_deps = [
+  dependency('gtk4', version: '>= 4.16'),
+  dependency('json-glib-1.0', version: '>= 1.10'),
+  dependency('libadwaita-1', version: '>= 1.6'),
+  dependency('libgcrypt', version: '>= 1.11'),
+  dependency('libsecret-1', version: '>= 0.21'),
+  dependency('libsoup-3.0', version: '>= 3.6'),
+  dependency('mpv', version: '>= 2.3'),
+]
+
+audrey_sources += removeme
+
 config_rs = configure_file(
   output: 'meson_config.rs',
   input: 'meson_config.rs.in',
   configuration: config_h,
 )
+
+audrey_c = static_library(
+  'audrey',
+  audrey_sources,
+  dependencies: audrey_deps,
+  include_directories: config_inc,
+  install: true,
+  vala_args: [
+    '--vapidir',
+    meson.current_source_dir() / 'vapi',
+    '--gresources',
+    meson.project_source_root() / 'resources/audrey.gresource.xml',
+  ],
+  vala_header: 'audrey.h',
+  vala_gir: 'audrey-0.gir',
+)

src/playbin.vala

@@ -0,0 +1,430 @@
+public enum Audrey.PlaybinState {
+    STOPPED,
+    PAUSED,
+    PLAYING,
+}
+
+private struct Audrey.CommandCallback {
+    unowned SourceFunc callback;
+    int error;
+}
+
+public class Audrey.PlaybinSong : Object {
+    private static int64 next_counter = 0;
+    public int64 counter { get; private set; }
+
+    public string id { get; set; }
+    public string title { get; set; }
+    public string artist { get; set; }
+    public string album { get; set; }
+    public string? genre { get; set; }
+    public int64 duration { get; set; }
+    public int64 track { get; set; }
+    public int64 play_count { get; set; }
+
+    public string cover_art_url { get; set; }
+    public string stream_url { get; set; }
+
+    construct {
+        this.counter = next_counter;
+        next_counter += 1;
+    }
+
+    public PlaybinSong (Subsonic.Client api, Subsonic.Song song) {
+        this.id = song.id;
+        this.title = song.title;
+        this.artist = song.artist;
+        this.album = song.album;
+        this.genre = song.genre;
+        this.duration = song.duration;
+        this.track = song.track;
+        this.play_count = song.play_count;
+
+        this.cover_art_url = api.cover_art_uri(this.id);
+        this.stream_url = api.stream_uri(this.id);
+    }
+}
+
+public class Audrey.Playbin : GLib.Object {
+    private Mpv.Handle mpv = new Mpv.Handle ();
+    private int _volume = 100;
+    private bool _mute = false;
+    private ListStore _play_queue = new ListStore (typeof (PlaybinSong));
+
+    // try to prevent wait_event to be called twice
+    private bool is_handling_event = false;
+
+    public PlaybinState state { get; private set; default = PlaybinState.STOPPED; }
+
+    public int volume {
+        get { return _volume; }
+        set {
+            var ret = mpv.set_property_int64 ("volume", value);
+            if (ret >= 0) {
+                _volume = value;
+            } else {
+                warning ("failed to set volume to %d: %s", value, ret.to_string ());
+            }
+        }
+    }
+
+    public bool mute {
+        get { return _mute; }
+        set {
+            var ret = mpv.set_property_flag ("mute", value);
+            if (ret >= 0) {
+                _mute = value;
+            } else {
+                warning ("failed to set mute status: %s", ret.to_string ());
+            }
+        }
+    }
+
+    // invariant: negative iff stopped, otherwise < play queue length
+    public int play_queue_position { get; private set; default = -1; }
+
+    // signalled when a new track is current
+    public signal void new_track (PlaybinSong song);
+    // signalled when the last track is over
+    public signal void stopped ();
+    // signalled when the position changes discontinuously
+    public signal void seeked (double position);
+
+    // these are mostly synced with mpv
+    public double position { get; private set; default = 0.0; }
+    public double duration { get; private set; default = 0.0; }
+
+    public weak Subsonic.Client api { get; set; default = null; }
+
+    public ListModel play_queue { get { return this._play_queue; } }
+    public uint play_queue_length { get; private set; default = 0; }
+
+    private async Mpv.Error mpv_command_async (string[] args) {
+        CommandCallback cc = {};
+
+        this.mpv.command_async ((uint64) &cc, args);
+        
+        cc.callback = this.mpv_command_async.callback;
+        yield;
+        return cc.error;
+    }
+
+    public Playbin () {
+        assert (this.mpv.initialize () >= 0);
+        assert (this.mpv.set_property_string ("audio-client-name", "audrey") >= 0);
+        assert (this.mpv.set_property_string ("user-agent", Audrey.Const.user_agent) >= 0);
+        assert (this.mpv.set_property_string ("video", "no") >= 0);
+        assert (this.mpv.set_property_string ("prefetch-playlist", "yes") >= 0);
+        assert (this.mpv.set_property_string ("gapless-audio", "yes") >= 0);
+        assert (this.mpv.observe_property (0, "time-pos", Mpv.Format.DOUBLE) >= 0);
+        assert (this.mpv.observe_property (1, "duration", Mpv.Format.DOUBLE) >= 0);
+        assert (this.mpv.observe_property (2, "playlist-pos", Mpv.Format.INT64) >= 0);
+        assert (this.mpv.observe_property (3, "pause", Mpv.Format.FLAG) >= 0);
+
+        this.mpv.wakeup_callback = () => {
+            Idle.add (() => {
+                if (this.is_handling_event) {
+                    warning ("main thread mpv wakeup callback called twice");
+                    return false;
+                }
+                this.is_handling_event = true;
+
+                while (true) {
+                    var event = this.mpv.wait_event (0.0);
+                    if (event.event_id == Mpv.EventId.NONE) break;
+
+                    switch (event.event_id) {
+                    case Mpv.EventId.PROPERTY_CHANGE:
+                        var data = event.parse_property ();
+                        switch (event.reply_userdata) {
+                        case 0:
+                            assert (data.name == "time-pos");
+                            if (data.format == Mpv.Format.NONE) {
+                                this.position = 0.0;
+                            } else {
+                                this.position = data.parse_double ();
+                            }
+                            break;
+
+                        case 1:
+                            assert (data.name == "duration");
+                            if (data.format == Mpv.Format.NONE) {
+                                // this.duration = 0.0; i think this prevents the fallback below from working
+                            } else {
+                                this.duration = data.parse_double ();
+                            }
+                            break;
+
+                        case 2:
+                            // here as a sanity check
+                            // should always match our own play_queu_position/state
+                            assert (data.name == "playlist-pos");
+                            int64 playlist_pos = data.parse_int64 ();
+                            if (playlist_pos < 0) {
+                                if (this.state != PlaybinState.STOPPED) {
+                                    error ("mpv has no current playlist entry, but we think it's index %d", this.play_queue_position);
+                                }
+                                assert (this.play_queue_position < 0);
+                            } else {
+                                if (this.state == PlaybinState.STOPPED) {
+                                    error ("mpv is at playlist entry %d, but we're stopped", (int) playlist_pos);
+                                }
+                                if (this.play_queue_position != (int) playlist_pos) {
+                                    error ("mpv is at playlist entry %d, but we think it's %d", (int) playlist_pos, this.play_queue_position);
+                                }
+                            }
+                            break;
+
+                        case 3:
+                            // also here as a sanity check
+                            // should always match our own state
+                            assert (data.name == "pause");
+                            bool pause = data.parse_flag ();
+                            if (pause && this.state != PlaybinState.PAUSED) {
+                                error (@"mpv is paused, but we are @(this.state)");
+                            }
+                            if (!pause && this.state == PlaybinState.PAUSED) {
+                                error ("mpv is not paused, but we are paused");
+                            }
+                            break;
+
+                        default:
+                            assert (false);
+                            break;
+                        }
+                        break;
+
+                    case Mpv.EventId.START_FILE:
+                        debug ("START_FILE received");
+
+                        // estimate duration from api data
+                        // while mpv doesn't know it
+                        var song = (PlaybinSong) this._play_queue.get_item (this.play_queue_position);
+                        this.duration = song.duration;
+
+                        this.new_track (song);
+                        break;
+
+                    case Mpv.EventId.END_FILE:
+                        var data = event.parse_end_file ();
+                        debug (@"END_FILE received (reason: $(data.reason))");
+
+                        if (data.error < 0) {
+                            warning ("playback of track aborted: %s", data.error.to_string ());
+                        }
+
+                        if (data.reason == Mpv.EndFileReason.EOF) {
+                            // assume this is a proper transition
+                            this.play_queue_position += 1;
+
+                            if (this.play_queue_position == this._play_queue.get_n_items ()) {
+                                // reached the end (?)
+                                this.state = PlaybinState.STOPPED;
+                                this.play_queue_position = -1;
+                                this.stopped ();
+                            }
+                        }
+
+                        break;
+
+                    case Mpv.EventId.COMMAND_REPLY:
+                        unowned CommandCallback *cc = (CommandCallback *) event.reply_userdata;
+                        cc.error = event.error;
+                        cc.callback ();
+                        break;
+                      
+                    default:
+                        // ignore by default
+                        break;
+                    }
+                }
+            
+                this.is_handling_event = false;
+                return false;
+            });
+        };
+    }
+
+    public void seek (double position) {
+        var rc = this.mpv.command ({"seek", position.to_string (), "absolute"});
+        if (rc < 0) {
+            warning (@"could not seek to $position: $rc");
+        } else {
+            this.position = position;
+            this.seeked (position);
+        }
+    }
+
+    // manually changes which track in the play queue to play
+    public void select_track (uint position)
+            requires (position < this.play_queue.get_n_items ())
+    {
+        assert (this.mpv.command ({"playlist-play-index", position.to_string ()}) >= 0);
+        this.play_queue_position = (int) position;
+        this.state = PlaybinState.PLAYING;
+        this.play (); // make sure mpv actually starts playing the track
+    }
+
+    public void pause () {
+        assert (this.state != PlaybinState.STOPPED);
+        this.state = PlaybinState.PAUSED;
+        debug ("setting state to paused");
+        // TODO: abstract away this handling around mpv api a bit for auto debug printing
+        var ret = this.mpv.set_property_flag("pause", true);
+        if (ret != 0) {
+            debug (@"failed to set state to paused ($(ret)): $(ret.to_string())");
+        }
+    }
+
+    public void play () {
+        if (this.state == PlaybinState.STOPPED) {
+            // allow only when playlist is not empty
+            // and start from the top
+            assert (this._play_queue.get_n_items () > 0);
+            this.select_track (0);
+        } else {
+            this.state = PlaybinState.PLAYING;
+            debug ("setting state to playing");
+            var ret = this.mpv.set_property_flag("pause", false);
+            if (ret != 0) {
+                debug (@"failed to set state to playing ($(ret)): $(ret.to_string())");
+            }
+        }
+    }
+
+    public void go_to_next_track ()
+            requires (this.state != PlaybinState.STOPPED)
+    {
+        if (this.play_queue_position+1 < this._play_queue.get_n_items ()) {
+            this.play_queue_position += 1;
+            assert (this.mpv.command ({"playlist-next-playlist"}) >= 0);
+        } else {
+            warning ("tried to skip forward at end of play queue, ignoring");
+        }
+    }
+
+    public void go_to_prev_track ()
+            requires (this.state != PlaybinState.STOPPED)
+    {
+        if (this.play_queue_position > 0) {
+            this.play_queue_position -= 1;
+            assert (this.mpv.command ({"playlist-prev-playlist"}) >= 0);
+        } else {
+            warning ("tried to skip to prev track at start of play queue, ignoring");
+        }
+    }
+
+    public void remove_track (uint position)
+            requires (position < this._play_queue.get_n_items ())
+    {
+        assert (this.mpv.command({"playlist-remove", position.to_string ()}) >= 0);
+        this._play_queue.remove (position);
+        this.play_queue_length -= 1;
+        if (this.play_queue_position > position) this.play_queue_position -= 1;
+        if (this.play_queue_position == this._play_queue.get_n_items ()) {
+            // we just killed the last track
+            this.state = PlaybinState.STOPPED;
+            this.play_queue_position = -1;
+            this.stopped ();
+        }
+    }
+
+    public void clear () {
+        assert (this.mpv.command({"playlist-clear"}) >= 0);
+        if (this.state != PlaybinState.STOPPED) {
+            assert (this.mpv.command({"playlist-remove", "current"}) >= 0);
+        }
+        this.state = PlaybinState.STOPPED;
+        this._play_queue.remove_all ();
+        this.play_queue_length = 0;
+        this.play_queue_position = -1;
+
+        this.stopped ();
+    }
+
+    public void append_track (Subsonic.Song song) {
+        var pb_song = new PlaybinSong (this.api, song);
+        assert (this.mpv.command ({
+            "loadfile",
+            pb_song.stream_url,
+            "append",
+        }) >= 0);
+        this._play_queue.append (pb_song);
+        this.play_queue_length += 1;
+    }
+
+    public async void append_track_async (Subsonic.Song song) {
+        var pb_song = new PlaybinSong (this.api, song);
+        var err = yield this.mpv_command_async ({
+            "loadfile",
+            pb_song.stream_url,
+            "append",
+        });
+        assert (err >= 0);
+
+        this._play_queue.append (pb_song);
+        this.play_queue_length += 1;
+    }
+
+    public void move_track (uint from, uint to)
+            requires (from < this._play_queue.get_n_items ())
+            requires (to < this._play_queue.get_n_items ())
+    {
+        debug (@"moving track $from to $to");
+
+        if (from < to) {
+            // why offset to? because if the playlist is 01234,
+            // mpv takes "move 1 to 3" to mean 02134, not 02314
+            // that is, the target is a "gap", not a playlist entry
+            // from ->  0 1 2 3 4 5
+            //   to -> 0 1 2 3 4 5 6
+            assert(this.mpv.command({
+                "playlist-move",
+                from.to_string (),
+                (to+1).to_string (),
+            }) >= 0);
+
+            // F0123T -> 0123TF
+            var additions = new Object[to-from+1];
+            for (uint i = from+1; i < to; i += 1) {
+                additions[i-from-1] = this._play_queue.get_item (i);
+            }
+            additions[to-from-1] = this._play_queue.get_item (to);
+            additions[to-from] = this._play_queue.get_item (from);
+            this._play_queue.splice(from, to-from+1, additions);
+
+            if (this.play_queue_position == (int) from) this.play_queue_position = (int) to;
+            else if (this.play_queue_position > (int) from && this.play_queue_position <= (int) to) this.play_queue_position -= 1;
+        } else if (from > to) {
+            assert(this.mpv.command({
+                "playlist-move",
+                from.to_string (),
+                to.to_string (),
+            }) >= 0);
+
+            // T0123F -> FT0123
+            var additions = new Object[from-to+1];
+            additions[0] = this._play_queue.get_item (from);
+            for (uint i = to; i < from; i += 1) {
+                additions[i-to+1] = this._play_queue.get_item (i);
+            }
+            this._play_queue.splice (to, from-to+1, additions);
+
+            if (this.play_queue_position == (int) from) this.play_queue_position = (int) to;
+            else if (this.play_queue_position >= (int) to && this.play_queue_position < (int) from) this.play_queue_position += 1;
+        }
+    }
+
+    public void stop () {
+        debug ("stopping playback");
+        // don't clear the playlist, just in case (less state changes to sync)
+        assert(this.mpv.command({"stop", "keep-playlist"}) >= 0);
+        this.state = PlaybinState.STOPPED;
+        this.play_queue_position = -1;
+        this.stopped ();
+    }
+
+    ~Playbin () {
+        debug ("destroying playbin");
+    }
+}

src/playbin_song.rs

@@ -1,81 +1,100 @@
-mod imp {
-    use adw::prelude::*;
+pub mod ffi {
     use gtk::glib;
-    use gtk::subclass::prelude::*;
-    use std::cell::{Cell, RefCell};
+    use std::ffi::c_char;
 
-    static NEXT_COUNTER: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
-
-    #[derive(glib::Properties, Default)]
-    #[properties(wrapper_type = super::Song)]
-    pub struct Song {
-        #[property(get, set)]
-        counter: Cell<u64>,
-
-        #[property(get, set)]
-        id: RefCell<String>,
-        #[property(get, set)]
-        title: RefCell<String>,
-        #[property(get, set)]
-        artist: RefCell<String>,
-        #[property(get, set)]
-        album: RefCell<String>,
-        #[property(get, set)]
-        genre: RefCell<Option<String>>,
-        #[property(get, set)]
-        duration: Cell<i64>,
-        #[property(get, set)]
-        track: Cell<i64>,
-
-        #[property(get, set)]
-        cover_art_url: RefCell<String>,
-        #[property(get, set)]
-        stream_url: RefCell<String>,
+    #[repr(C)]
+    pub struct AudreyPlaybinSong {
+        _data: [u8; 0],
     }
 
-    #[glib::object_subclass]
-    impl ObjectSubclass for Song {
-        const NAME: &'static str = "AudreyPlaybinSong";
-        type Type = super::Song;
+    #[repr(C)]
+    pub struct AudreyPlaybinSongClass {
+        _data: [u8; 0],
     }
 
-    #[glib::derived_properties]
-    impl ObjectImpl for Song {
-        fn constructed(&self) {
-            self.parent_constructed();
+    extern "C" {
+        pub fn audrey_playbin_song_get_type() -> glib::ffi::GType;
+        pub fn audrey_playbin_song_get_counter(self_: *mut AudreyPlaybinSong) -> i64;
+        pub fn audrey_playbin_song_get_id(self_: *mut AudreyPlaybinSong) -> *const c_char;
+        pub fn audrey_playbin_song_get_title(self_: *mut AudreyPlaybinSong) -> *const c_char;
+        pub fn audrey_playbin_song_get_artist(self_: *mut AudreyPlaybinSong) -> *const c_char;
+        pub fn audrey_playbin_song_get_album(self_: *mut AudreyPlaybinSong) -> *const c_char;
+        pub fn audrey_playbin_song_get_duration(self_: *mut AudreyPlaybinSong) -> i64;
 
-            self.obj()
-                .set_counter(NEXT_COUNTER.fetch_add(1, std::sync::atomic::Ordering::Relaxed));
-        }
+        pub fn audrey_playbin_song_get_cover_art_url(
+            self_: *mut AudreyPlaybinSong,
+        ) -> *const c_char;
+        pub fn audrey_playbin_song_get_stream_url(self_: *mut AudreyPlaybinSong) -> *const c_char;
     }
 }
 
-use crate::subsonic;
-use glib::Object;
+use glib::translate::{from_glib_none, ToGlibPtr};
+use glib::GString;
 use gtk::glib;
 
 glib::wrapper! {
-    pub struct Song(ObjectSubclass<imp::Song>);
+    pub struct Song(Object<ffi::AudreyPlaybinSong, ffi::AudreyPlaybinSongClass>);
+
+    match fn {
+        type_ => || ffi::audrey_playbin_song_get_type(),
+    }
 }
 
 impl Song {
-    pub fn from_child(api: &subsonic::Client, song: &subsonic::schema::Child) -> Self {
-        Object::builder()
-            .property("id", &song.id)
-            .property("title", &song.title)
-            .property("artist", &song.artist)
-            .property("album", &song.album)
-            .property("genre", &song.genre)
-            .property("duration", song.duration as i64)
-            //.property("track", song.track)
-            .property("cover-art-url", api.cover_art_url(&song.id).as_str())
-            .property("stream-url", api.stream_url(&song.id).as_str())
+    pub fn counter(&self) -> i64 {
+        unsafe { ffi::audrey_playbin_song_get_counter(self.to_glib_none().0) }
+    }
+
+    pub fn id(&self) -> GString {
+        unsafe { from_glib_none(ffi::audrey_playbin_song_get_id(self.to_glib_none().0)) }
+    }
+
+    pub fn title(&self) -> GString {
+        unsafe { from_glib_none(ffi::audrey_playbin_song_get_title(self.to_glib_none().0)) }
+    }
+
+    pub fn artist(&self) -> GString {
+        unsafe { from_glib_none(ffi::audrey_playbin_song_get_artist(self.to_glib_none().0)) }
+    }
+
+    pub fn album(&self) -> GString {
+        unsafe { from_glib_none(ffi::audrey_playbin_song_get_album(self.to_glib_none().0)) }
+    }
+
+    pub fn duration(&self) -> i64 {
+        unsafe { ffi::audrey_playbin_song_get_duration(self.to_glib_none().0) }
+    }
+
+    pub fn cover_art_url(&self) -> url::Url {
+        let url: String = unsafe {
+            from_glib_none(ffi::audrey_playbin_song_get_cover_art_url(
+                self.to_glib_none().0,
+            ))
+        };
+        url::Url::parse(&url).expect("invalid url from vala side")
+    }
+
+    pub fn stream_url(&self) -> url::Url {
+        let url: String = unsafe {
+            from_glib_none(ffi::audrey_playbin_song_get_stream_url(
+                self.to_glib_none().0,
+            ))
+        };
+        url::Url::parse(&url).expect("invalid url from vala side")
+    }
+
+    pub fn from_child(
+        api: &crate::subsonic::Client,
+        child: &crate::subsonic::schema::Child,
+    ) -> Self {
+        glib::Object::builder()
+            .property("id", &child.id)
+            .property("title", &child.title)
+            .property("artist", &child.artist)
+            .property("album", &child.album)
+            .property("duration", child.duration as i64)
+            .property("cover-art-url", api.cover_art_url(&child.id).as_str())
+            .property("stream-url", api.stream_url(&child.id).as_str())
             .build()
     }
 }
-
-impl crate::playbin::PlaybinEntry for Song {
-    fn url(&self) -> url::Url {
-        url::Url::parse(&self.stream_url()).unwrap()
-    }
-}

src/rust.h

@@ -0,0 +1,31 @@
+#include <glib-object.h>
+#include <glib.h>
+#include <gio/gio.h>
+
+// ui::playbar
+typedef void AudreyUiPlaybar;
+
+// ui::play_queue::Song
+typedef void AudreyUiPlayQueueSong;
+#define AUDREY_UI_TYPE_PLAY_QUEUE_SONG (audrey_ui_play_queue_song_get_type ())
+GType audrey_ui_play_queue_song_get_type(void);
+AudreyUiPlayQueueSong *audrey_ui_play_queue_song_new(void *playbin);
+void audrey_ui_play_queue_song_set_draggable(AudreyUiPlayQueueSong *self, gboolean draggable);
+void audrey_ui_play_queue_song_set_show_position(AudreyUiPlayQueueSong *self, gboolean show_position);
+void audrey_ui_play_queue_song_set_show_artist(AudreyUiPlayQueueSong *self, gboolean show_artist);
+void audrey_ui_play_queue_song_set_show_cover(AudreyUiPlayQueueSong *self, gboolean show_cover);
+void audrey_ui_play_queue_song_bind(AudreyUiPlayQueueSong *self, guint position, void *song);
+void audrey_ui_play_queue_song_unbind(AudreyUiPlayQueueSong *self);
+
+// ui::PlayQueue
+typedef void AudreyUiPlayQueue;
+
+// Mpris
+typedef void AudreyMpris;
+AudreyMpris *audrey_mpris_new(void *window);
+guint audrey_mpris_register_object(AudreyMpris *self, GDBusConnection *conn, const gchar *object_path, GError **error);
+
+// ui::Setup
+typedef void AudreyUiSetup;
+AudreyUiSetup *audrey_ui_setup_new();
+void audrey_ui_setup_load(AudreyUiSetup *self);

src/rust.vapi

@@ -0,0 +1,62 @@
+[CCode (cheader_filename = "rust.h")]
+namespace Audrey {
+
+    public class Ui.Playbar : Adw.Bin {
+        public PlaybinSong? song { get; set; }
+        public Gdk.Paintable? playing_cover_art { get; set; }
+        public weak Playbin playbin { get; set; }
+        public bool show_cover_art { get; set; /*default = true;*/ }
+        public int volume { get; set; }
+    }
+
+    public class Ui.PlayQueueSong : Gtk.Box {
+        public bool draggable { get; set; }
+        public bool show_position { get; set; }
+        public bool show_artist { get; set; }
+        public bool show_cover { get; set; }
+        public bool current { get; set; }
+        public uint displayed_position { get; set; }
+        public PlaybinSong song { get; set; }
+
+        public PlayQueueSong (Playbin playbin);
+        public void bind (uint position, PlaybinSong song);
+        public void unbind ();
+    }
+
+    public class Ui.PlayQueue : Adw.Bin {
+        public Playbin playbin { get; set; }
+        public bool can_clear_all { get; }
+    }
+
+    public class Ui.Setup : Adw.PreferencesDialog {
+        public string status { get; }
+        public bool authn_can_edit { get; }
+        public bool authn_can_validate { get; }
+        public string server_url { get; set; }
+        public string username { get; set; }
+        public string password { get; set; }
+    
+        public signal void connected (Subsonic.Client api);
+    
+        public Setup ();
+        public void load ();
+        public void save ();
+    }
+
+    public class Ui.Window : Adw.ApplicationWindow {
+        public int volume { get; set; }
+        public bool mute { get; set; }
+    
+        public PlaybinSong? song { get; }
+        public Gdk.Paintable? playing_cover_art { get; set; }
+    
+        public bool cover_art_loading { get; set; }
+    
+        public Playbin playbin { get; }
+    
+        public Window (Gtk.Application app);
+    
+        public bool can_click_shuffle_all { get; }
+    }
+
+}

src/subsonic.vala

@@ -0,0 +1,236 @@
+public errordomain Audrey.Subsonic.Error {
+    BAD_AUTHN,
+    ERROR,
+}
+
+public delegate void Audrey.Subsonic.SongCallback (Song song);
+
+public class Audrey.Subsonic.Artist : Object {
+    public string index;
+    public string id;
+    public string name { get; private set; }
+    public string? cover_art;
+    public string? artist_image_url;
+    public int64 album_count;
+
+    public Artist (string index, Json.Reader reader) {
+        this.index = index;
+
+        reader.read_member ("id");
+        this.id = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("name");
+        this.name = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("coverArt");
+        this.cover_art = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("artistImageUrl");
+        this.artist_image_url = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("albumCount");
+        this.album_count = reader.get_int_value ();
+        reader.end_member ();
+    }
+}
+
+public class Audrey.Subsonic.Album : Object {
+    public string id;
+    public string name;
+
+    public Album (Json.Reader reader) {
+        reader.read_member ("id");
+        this.id = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("name");
+        this.name = reader.get_string_value ();
+        reader.end_member ();
+    }
+}
+
+public struct Audrey.Subsonic.Song {
+    public string id;
+    public string title;
+    public string album;
+    public string artist;
+    public int64 track;
+    public int64 year;
+    public DateTime? starred; // TODO
+    public int64 duration;
+    public int64 play_count;
+    public string? genre;
+    public string cover_art;
+
+    public Song (Json.Reader reader) {
+        reader.read_member ("id");
+        this.id = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("title");
+        this.title = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("album");
+        this.album = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("artist");
+        this.artist = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("track");
+        this.track = reader.get_int_value ();
+        reader.end_member ();
+
+        reader.read_member ("year");
+        this.year = reader.get_int_value ();
+        reader.end_member ();
+
+        reader.read_member ("duration");
+        this.duration = reader.get_int_value ();
+        reader.end_member ();
+
+        reader.read_member ("playCount");
+        this.play_count = reader.get_int_value ();
+        reader.end_member ();
+
+        reader.read_member ("genre");
+        this.genre = reader.get_string_value ();
+        reader.end_member ();
+
+        reader.read_member ("coverArt");
+        this.cover_art = reader.get_string_value ();
+        reader.end_member ();
+    }
+}
+
+public class Audrey.Subsonic.Client : Object {
+    private Soup.Session session;
+    private string url;
+    private string parameters;
+
+    public Client.with_token (string url, string username, string token, string salt) {
+        this.url = url;
+        this.parameters = @"u=$(Uri.escape_string(username))&t=$(Uri.escape_string(token))&s=$(Uri.escape_string(salt))&v=1.16.1&c=eu.callcc.audrey";
+
+        this.session = new Soup.Session ();
+        this.session.user_agent = Audrey.Const.user_agent;
+    }
+
+    private void unwrap_response (Json.Reader reader) throws GLib.Error {
+        reader.read_member ("subsonic-response");
+
+        reader.read_member ("status");
+            if (reader.get_string_value () != "ok") {
+                reader.end_member ();
+                reader.read_member ("error");
+                reader.read_member ("message");
+                throw new Subsonic.Error.ERROR (reader.get_string_value () ?? "???");
+            }
+        reader.end_member();
+    }
+
+    public async void ping () throws GLib.Error {
+        var msg = new Soup.Message ("GET", @"$(this.url)/rest/ping?f=json&$(this.parameters)");
+        if (msg == null) {
+            throw new Subsonic.Error.BAD_AUTHN ("Bad message");
+        }
+
+        var bytes = yield this.session.send_and_read_async (msg, Priority.DEFAULT, null);
+        assert (msg.get_status () == Soup.Status.OK);
+
+        var parser = new Json.Parser ();
+        parser.load_from_data ((string) bytes.get_data ());
+        
+        var reader = new Json.Reader (parser.get_root ());
+        this.unwrap_response (reader);
+    }
+
+    public async void scrobble (string id) throws GLib.Error {
+        var msg = new Soup.Message ("GET", @"$(this.url)/rest/scrobble?id=$(Uri.escape_string (id))&f=json&$(this.parameters)");
+        assert (msg != null);
+
+        var bytes = yield this.session.send_and_read_async (msg, Priority.DEFAULT, null);
+        assert (msg.get_status () == Soup.Status.OK);
+
+        var parser = new Json.Parser ();
+        parser.load_from_data ((string) bytes.get_data ());
+        
+        var reader = new Json.Reader (parser.get_root ());
+        this.unwrap_response (reader);
+    }
+
+    public async void get_random_songs (string? parameters, SongCallback callback) throws GLib.Error {
+        string str_parameters;
+        if (parameters == null) {
+            str_parameters = "";
+        } else {
+            str_parameters = @"$parameters&";
+        }
+
+        var msg = new Soup.Message("GET", @"$(this.url)/rest/getRandomSongs?$(str_parameters)size=500&f=json&$(this.parameters)");
+        assert (msg != null);
+
+        var bytes = yield this.session.send_and_read_async (msg, Priority.DEFAULT, null);
+        assert (msg.get_status () == Soup.Status.OK);
+
+        var parser = new Json.Parser ();
+        parser.load_from_data ((string) bytes.get_data ());
+
+        var reader = new Json.Reader (parser.get_root ());
+        this.unwrap_response (reader);
+
+        reader.read_member ("randomSongs");
+        reader.read_member ("song");
+
+        for (int i = 0; i < reader.count_elements (); i += 1) {
+            reader.read_element (i);
+            callback (Song (reader));
+            reader.end_element ();
+
+            Idle.add (this.get_random_songs.callback);
+            yield;
+        }
+
+        assert (reader.get_error () == null);
+    }
+
+    public string stream_uri (string id) {
+        return @"$(this.url)/rest/stream?id=$(Uri.escape_string(id))&$(this.parameters)";
+    }
+
+    public string cover_art_uri (string id, int size = -1) {
+        if (size >= 0) {
+            return @"$(this.url)/rest/getCoverArt?id=$(Uri.escape_string(id))&$(this.parameters)";
+        } else {
+            return @"$(this.url)/rest/getCoverArt?size=$size&id=$(Uri.escape_string(id))&$(this.parameters)";
+        }
+    }
+
+    public async Gdk.Pixbuf cover_art (
+        string id,
+        int size = -1,
+        int priority = Priority.DEFAULT,
+        Cancellable? cancellable = null
+    )
+            throws GLib.Error
+    {
+        var msg = new Soup.Message("GET", this.cover_art_uri (id, size));
+        assert (msg != null);
+
+        var stream = yield this.session.send_async (msg, priority, cancellable);
+        if (msg.get_status () != Soup.Status.OK) {
+            warning ("could not load cover art for %s: %s", id, Soup.Status.get_phrase (msg.get_status ()));
+        }
+        return yield new Gdk.Pixbuf.from_stream_async (stream, cancellable);
+    }
+
+    ~Client () {
+        debug ("destroying subsonic client");
+    }
+}

src/subsonic/schema.rs

@@ -47,7 +47,7 @@ pub struct Child {
     pub starred: Option<chrono::DateTime<chrono::offset::Utc>>, // TODO: check which is best
     // applicable
     pub duration: u64,
-    //pub play_count: Option<u32>,
+    pub play_count: Option<u32>,
     pub genre: Option<String>,
     pub cover_art: String,
 }

src/ui/playbar.rs

@@ -54,23 +54,23 @@ mod imp {
     #[gtk::template_callbacks]
     impl Playbar {
         #[template_callback]
-        fn song_title(&self, song: Option<&PlaybinSong>) -> Option<String> {
+        fn song_title(&self, song: Option<&PlaybinSong>) -> Option<GString> {
             song.map(|song| song.title())
         }
 
         #[template_callback]
-        fn song_artist(&self, song: Option<&PlaybinSong>) -> Option<String> {
+        fn song_artist(&self, song: Option<&PlaybinSong>) -> Option<GString> {
             song.map(|song| song.artist())
         }
 
         #[template_callback]
-        fn song_album(&self, song: Option<&PlaybinSong>) -> Option<String> {
+        fn song_album(&self, song: Option<&PlaybinSong>) -> Option<GString> {
             song.map(|song| song.album())
         }
 
         #[template_callback]
-        fn format_timestamp(&self, s: f64) -> String {
-            format!("{:02}:{:02}", (s as i64) / 64, (s as i64) % 60)
+        fn format_timestamp(&self, s: f64) -> GString {
+            gformat!("{:02}:{:02}", (s as i64) / 64, (s as i64) % 60)
         }
 
         #[template_callback]

src/ui/window.rs

@@ -7,6 +7,12 @@ mod imp {
     use std::cell::{Cell, RefCell};
     use std::rc::Rc;
 
+    impl crate::playbin2::PlaybinEntry for PlaybinSong {
+        fn url(&self) -> url::Url {
+            self.stream_url()
+        }
+    }
+
     #[derive(gtk::CompositeTemplate, glib::Properties, Default)]
     #[template(resource = "/eu/callcc/audrey/window.ui")]
     #[properties(wrapper_type = super::Window)]

src/vapi/libgcrypt.vapi

@@ -0,0 +1,829 @@
+/* gcrypt.vapi
+ *
+ * Copyright:
+ *   2008 Jiqing Qiang
+ *   2008, 2010, 2012-2013 Evan Nemerson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ * 	Jiqing Qiang <jiqing.qiang@gmail.com>
+ * 	Evan Nemerson <evan@coeus-group.com>
+ */
+
+
+[CCode (cheader_filename = "gcrypt.h", lower_case_cprefix = "gcry_")]
+namespace GCrypt {
+	[CCode (cname = "gpg_err_source_t", cprefix = "GPG_ERR_SOURCE_")]
+	public enum ErrorSource {
+		UNKNOWN,
+		GCRYPT,
+		GPG,
+		GPGSM,
+		GPGAGENT,
+		PINENTRY,
+		SCD,
+		GPGME,
+		KEYBOX,
+		KSBA,
+		DIRMNGR,
+		GSTI,
+		ANY,
+		USER_1,
+		USER_2,
+		USER_3,
+		USER_4,
+
+		/* This is one more than the largest allowed entry.  */
+		DIM
+	}
+
+	[CCode (cname = "gpg_err_code_t", cprefix = "GPG_ERR_")]
+	public enum ErrorCode {
+		NO_ERROR,
+		GENERAL,
+		UNKNOWN_PACKET,
+		UNKNOWN_VERSION,
+		PUBKEY_ALGO,
+		DIGEST_ALGO,
+		BAD_PUBKEY,
+		BAD_SECKEY,
+		BAD_SIGNATURE,
+		NO_PUBKEY,
+		CHECKSUM,
+		BAD_PASSPHRASE,
+		CIPHER_ALGO,
+		KEYRING_OPEN,
+		INV_PACKET,
+		INV_ARMOR,
+		NO_USER_ID,
+		NO_SECKEY,
+		WRONG_SECKEY,
+		BAD_KEY,
+		COMPR_ALGO,
+		NO_PRIME,
+		NO_ENCODING_METHOD,
+		NO_ENCRYPTION_SCHEME,
+		NO_SIGNATURE_SCHEME,
+		INV_ATTR,
+		NO_VALUE,
+		NOT_FOUND,
+		VALUE_NOT_FOUND,
+		SYNTAX,
+		BAD_MPI,
+		INV_PASSPHRASE,
+		SIG_CLASS,
+		RESOURCE_LIMIT,
+		INV_KEYRING,
+		TRUSTDB,
+		BAD_CERT,
+		INV_USER_ID,
+		UNEXPECTED,
+		TIME_CONFLICT,
+		KEYSERVER,
+		WRONG_PUBKEY_ALGO,
+		TRIBUTE_TO_D_A,
+		WEAK_KEY,
+		INV_KEYLEN,
+		INV_ARG,
+		BAD_URI,
+		INV_URI,
+		NETWORK,
+		UNKNOWN_HOST,
+		SELFTEST_FAILED,
+		NOT_ENCRYPTED,
+		NOT_PROCESSED,
+		UNUSABLE_PUBKEY,
+		UNUSABLE_SECKEY,
+		INV_VALUE,
+		BAD_CERT_CHAIN,
+		MISSING_CERT,
+		NO_DATA,
+		BUG,
+		NOT_SUPPORTED,
+		INV_OP,
+		TIMEOUT,
+		INTERNAL,
+		EOF_GCRYPT,
+		INV_OBJ,
+		TOO_SHORT,
+		TOO_LARGE,
+		NO_OBJ,
+		NOT_IMPLEMENTED,
+		CONFLICT,
+		INV_CIPHER_MODE,
+		INV_FLAG,
+		INV_HANDLE,
+		TRUNCATED,
+		INCOMPLETE_LINE,
+		INV_RESPONSE,
+		NO_AGENT,
+		AGENT,
+		INV_DATA,
+		ASSUAN_SERVER_FAULT,
+		ASSUAN,
+		INV_SESSION_KEY,
+		INV_SEXP,
+		UNSUPPORTED_ALGORITHM,
+		NO_PIN_ENTRY,
+		PIN_ENTRY,
+		BAD_PIN,
+		INV_NAME,
+		BAD_DATA,
+		INV_PARAMETER,
+		WRONG_CARD,
+		NO_DIRMNGR,
+		DIRMNGR,
+		CERT_REVOKED,
+		NO_CRL_KNOWN,
+		CRL_TOO_OLD,
+		LINE_TOO_LONG,
+		NOT_TRUSTED,
+		CANCELED,
+		BAD_CA_CERT,
+		CERT_EXPIRED,
+		CERT_TOO_YOUNG,
+		UNSUPPORTED_CERT,
+		UNKNOWN_SEXP,
+		UNSUPPORTED_PROTECTION,
+		CORRUPTED_PROTECTION,
+		AMBIGUOUS_NAME,
+		CARD,
+		CARD_RESET,
+		CARD_REMOVED,
+		INV_CARD,
+		CARD_NOT_PRESENT,
+		NO_PKCS15_APP,
+		NOT_CONFIRMED,
+		CONFIGURATION,
+		NO_POLICY_MATCH,
+		INV_INDEX,
+		INV_ID,
+		NO_SCDAEMON,
+		SCDAEMON,
+		UNSUPPORTED_PROTOCOL,
+		BAD_PIN_METHOD,
+		CARD_NOT_INITIALIZED,
+		UNSUPPORTED_OPERATION,
+		WRONG_KEY_USAGE,
+		NOTHING_FOUND,
+		WRONG_BLOB_TYPE,
+		MISSING_VALUE,
+		HARDWARE,
+		PIN_BLOCKED,
+		USE_CONDITIONS,
+		PIN_NOT_SYNCED,
+		INV_CRL,
+		BAD_BER,
+		INV_BER,
+		ELEMENT_NOT_FOUND,
+		IDENTIFIER_NOT_FOUND,
+		INV_TAG,
+		INV_LENGTH,
+		INV_KEYINFO,
+		UNEXPECTED_TAG,
+		NOT_DER_ENCODED,
+		NO_CMS_OBJ,
+		INV_CMS_OBJ,
+		UNKNOWN_CMS_OBJ,
+		UNSUPPORTED_CMS_OBJ,
+		UNSUPPORTED_ENCODING,
+		UNSUPPORTED_CMS_VERSION,
+		UNKNOWN_ALGORITHM,
+		INV_ENGINE,
+		PUBKEY_NOT_TRUSTED,
+		DECRYPT_FAILED,
+		KEY_EXPIRED,
+		SIG_EXPIRED,
+		ENCODING_PROBLEM,
+		INV_STATE,
+		DUP_VALUE,
+		MISSING_ACTION,
+		MODULE_NOT_FOUND,
+		INV_OID_STRING,
+		INV_TIME,
+		INV_CRL_OBJ,
+		UNSUPPORTED_CRL_VERSION,
+		INV_CERT_OBJ,
+		UNKNOWN_NAME,
+		LOCALE_PROBLEM,
+		NOT_LOCKED,
+		PROTOCOL_VIOLATION,
+		INV_MAC,
+		INV_REQUEST,
+		UNKNOWN_EXTN,
+		UNKNOWN_CRIT_EXTN,
+		LOCKED,
+		UNKNOWN_OPTION,
+		UNKNOWN_COMMAND,
+		BUFFER_TOO_SHORT,
+		SEXP_INV_LEN_SPEC,
+		SEXP_STRING_TOO_LONG,
+		SEXP_UNMATCHED_PAREN,
+		SEXP_NOT_CANONICAL,
+		SEXP_BAD_CHARACTER,
+		SEXP_BAD_QUOTATION,
+		SEXP_ZERO_PREFIX,
+		SEXP_NESTED_DH,
+		SEXP_UNMATCHED_DH,
+		SEXP_UNEXPECTED_PUNC,
+		SEXP_BAD_HEX_CHAR,
+		SEXP_ODD_HEX_NUMBERS,
+		SEXP_BAD_OCT_CHAR,
+		ASS_GENERAL,
+		ASS_ACCEPT_FAILED,
+		ASS_CONNECT_FAILED,
+		ASS_INV_RESPONSE,
+		ASS_INV_VALUE,
+		ASS_INCOMPLETE_LINE,
+		ASS_LINE_TOO_LONG,
+		ASS_NESTED_COMMANDS,
+		ASS_NO_DATA_CB,
+		ASS_NO_INQUIRE_CB,
+		ASS_NOT_A_SERVER,
+		ASS_NOT_A_CLIENT,
+		ASS_SERVER_START,
+		ASS_READ_ERROR,
+		ASS_WRITE_ERROR,
+		ASS_TOO_MUCH_DATA,
+		ASS_UNEXPECTED_CMD,
+		ASS_UNKNOWN_CMD,
+		ASS_SYNTAX,
+		ASS_CANCELED,
+		ASS_NO_INPUT,
+		ASS_NO_OUTPUT,
+		ASS_PARAMETER,
+		ASS_UNKNOWN_INQUIRE,
+		USER_1,
+		USER_2,
+		USER_3,
+		USER_4,
+		USER_5,
+		USER_6,
+		USER_7,
+		USER_8,
+		USER_9,
+		USER_10,
+		USER_11,
+		USER_12,
+		USER_13,
+		USER_14,
+		USER_15,
+		USER_16,
+		MISSING_ERRNO,
+		UNKNOWN_ERRNO,
+		EOF,
+
+		E2BIG,
+		EACCES,
+		EADDRINUSE,
+		EADDRNOTAVAIL,
+		EADV,
+		EAFNOSUPPORT,
+		EAGAIN,
+		EALREADY,
+		EAUTH,
+		EBACKGROUND,
+		EBADE,
+		EBADF,
+		EBADFD,
+		EBADMSG,
+		EBADR,
+		EBADRPC,
+		EBADRQC,
+		EBADSLT,
+		EBFONT,
+		EBUSY,
+		ECANCELED,
+		ECHILD,
+		ECHRNG,
+		ECOMM,
+		ECONNABORTED,
+		ECONNREFUSED,
+		ECONNRESET,
+		ED,
+		EDEADLK,
+		EDEADLOCK,
+		EDESTADDRREQ,
+		EDIED,
+		EDOM,
+		EDOTDOT,
+		EDQUOT,
+		EEXIST,
+		EFAULT,
+		EFBIG,
+		EFTYPE,
+		EGRATUITOUS,
+		EGREGIOUS,
+		EHOSTDOWN,
+		EHOSTUNREACH,
+		EIDRM,
+		EIEIO,
+		EILSEQ,
+		EINPROGRESS,
+		EINTR,
+		EINVAL,
+		EIO,
+		EISCONN,
+		EISDIR,
+		EISNAM,
+		EL2HLT,
+		EL2NSYNC,
+		EL3HLT,
+		EL3RST,
+		ELIBACC,
+		ELIBBAD,
+		ELIBEXEC,
+		ELIBMAX,
+		ELIBSCN,
+		ELNRNG,
+		ELOOP,
+		EMEDIUMTYPE,
+		EMFILE,
+		EMLINK,
+		EMSGSIZE,
+		EMULTIHOP,
+		ENAMETOOLONG,
+		ENAVAIL,
+		ENEEDAUTH,
+		ENETDOWN,
+		ENETRESET,
+		ENETUNREACH,
+		ENFILE,
+		ENOANO,
+		ENOBUFS,
+		ENOCSI,
+		ENODATA,
+		ENODEV,
+		ENOENT,
+		ENOEXEC,
+		ENOLCK,
+		ENOLINK,
+		ENOMEDIUM,
+		ENOMEM,
+		ENOMSG,
+		ENONET,
+		ENOPKG,
+		ENOPROTOOPT,
+		ENOSPC,
+		ENOSR,
+		ENOSTR,
+		ENOSYS,
+		ENOTBLK,
+		ENOTCONN,
+		ENOTDIR,
+		ENOTEMPTY,
+		ENOTNAM,
+		ENOTSOCK,
+		ENOTSUP,
+		ENOTTY,
+		ENOTUNIQ,
+		ENXIO,
+		EOPNOTSUPP,
+		EOVERFLOW,
+		EPERM,
+		EPFNOSUPPORT,
+		EPIPE,
+		EPROCLIM,
+		EPROCUNAVAIL,
+		EPROGMISMATCH,
+		EPROGUNAVAIL,
+		EPROTO,
+		EPROTONOSUPPORT,
+		EPROTOTYPE,
+		ERANGE,
+		EREMCHG,
+		EREMOTE,
+		EREMOTEIO,
+		ERESTART,
+		EROFS,
+		ERPCMISMATCH,
+		ESHUTDOWN,
+		ESOCKTNOSUPPORT,
+		ESPIPE,
+		ESRCH,
+		ESRMNT,
+		ESTALE,
+		ESTRPIPE,
+		ETIME,
+		ETIMEDOUT,
+		ETOOMANYREFS,
+		ETXTBSY,
+		EUCLEAN,
+		EUNATCH,
+		EUSERS,
+		EWOULDBLOCK,
+		EXDEV,
+		EXFULL,
+
+		/* This is one more than the largest allowed entry.  */
+		CODE_DIM
+	}
+
+	[CCode (cname = "gcry_error_t", cprefix = "gpg_err_")]
+	public struct Error : uint {
+		[CCode (cname = "gcry_err_make")]
+		public Error (ErrorSource source, ErrorCode code);
+		[CCode (cname = "gcry_err_make_from_errno")]
+		public Error.from_errno (ErrorSource source, int err);
+		public ErrorCode code ();
+		public ErrorSource source ();
+
+		[CCode (cname = "gcry_strerror")]
+		public unowned string to_string ();
+
+		[CCode (cname = "gcry_strsource")]
+		public unowned string source_to_string ();
+	}
+
+	[CCode (cname = "enum gcry_ctl_cmds", cprefix = "GCRYCTL_")]
+	public enum ControlCommand {
+		SET_KEY,
+		SET_IV,
+		CFB_SYNC,
+		RESET,
+		FINALIZE,
+		GET_KEYLEN,
+		GET_BLKLEN,
+		TEST_ALGO,
+		IS_SECURE,
+		GET_ASNOID,
+		ENABLE_ALGO,
+		DISABLE_ALGO,
+		DUMP_RANDOM_STATS,
+		DUMP_SECMEM_STATS,
+		GET_ALGO_NPKEY,
+		GET_ALGO_NSKEY,
+		GET_ALGO_NSIGN,
+		GET_ALGO_NENCR,
+		SET_VERBOSITY,
+		SET_DEBUG_FLAGS,
+		CLEAR_DEBUG_FLAGS,
+		USE_SECURE_RNDPOOL,
+		DUMP_MEMORY_STATS,
+		INIT_SECMEM,
+		TERM_SECMEM,
+		DISABLE_SECMEM_WARN,
+		SUSPEND_SECMEM_WARN,
+		RESUME_SECMEM_WARN,
+		DROP_PRIVS,
+		ENABLE_M_GUARD,
+		START_DUMP,
+		STOP_DUMP,
+		GET_ALGO_USAGE,
+		IS_ALGO_ENABLED,
+		DISABLE_INTERNAL_LOCKING,
+		DISABLE_SECMEM,
+		INITIALIZATION_FINISHED,
+		INITIALIZATION_FINISHED_P,
+		ANY_INITIALIZATION_P,
+		SET_CBC_CTS,
+		SET_CBC_MAC,
+		SET_CTR,
+		ENABLE_QUICK_RANDOM,
+		SET_RANDOM_SEED_FILE,
+		UPDATE_RANDOM_SEED_FILE,
+		SET_THREAD_CBS,
+		FAST_POLL
+	}
+	public Error control (ControlCommand cmd, ...);
+
+	namespace Cipher {
+		[CCode (cname = "enum gcry_cipher_algos", cprefix = "GCRY_CIPHER_")]
+		public enum Algorithm {
+			NONE,
+			IDEA,
+			3DES,
+			CAST5,
+			BLOWFISH,
+			SAFER_SK128,
+			DES_SK,
+			AES,
+			AES128,
+			RIJNDAEL,
+			RIJNDAEL128,
+			AES192,
+			RIJNDAEL192,
+			AES256,
+			RIJNDAEL256,
+			TWOFISH,
+			TWOFISH128,
+			ARCFOUR,
+			DES,
+			SERPENT128,
+			SERPENT192,
+			SERPENT256,
+			RFC2268_40,
+			RFC2268_128,
+			SEED,
+			CAMELLIA128,
+			CAMELLIA192,
+			CAMELLIA256,
+			SALSA20,
+			SALSA20R12,
+			GOST28147,
+			CHACHA20;
+
+			[CCode (cname = "gcry_cipher_algo_info")]
+			public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer);
+			[CCode (cname = "gcry_cipher_algo_name")]
+			public unowned string to_string ();
+			[CCode (cname = "gcry_cipher_map_name")]
+			public static Algorithm from_string (string name);
+			[CCode (cname = "gcry_cipher_map_oid")]
+			public static Algorithm from_oid (string oid);
+		}
+
+		[CCode (cname = "enum gcry_cipher_modes", cprefix = "GCRY_CIPHER_MODE_")]
+		public enum Mode {
+			NONE, /* No mode specified */
+			ECB, /* Electronic Codebook */
+			CFB, /* Cipher Feedback */
+			CFB8, /* Cipher Feedback */
+			CBC, /* Cipher Block Chaining */
+			STREAM, /* Used with stream ciphers */
+			OFB, /* Output Feedback */
+			CTR, /* Counter */
+			AESWRAP,
+			CCM, /* Counter with CBC-MAC */
+			GCM, /* Galois/Counter Mode */
+			POLY1305,
+			OCB
+		}
+
+		[CCode (cname = "enum gcry_cipher_flags", cprefix = "GCRY_CIPHER_")]
+		public enum Flag {
+			SECURE,  /* Allocate in secure memory. */
+			ENABLE_SYNC,  /* Enable CFB sync mode. */
+			CBC_CTS,  /* Enable CBC cipher text stealing (CTS). */
+			CBC_MAC   /* Enable CBC message auth. code (MAC). */
+		}
+		[Compact]
+		[CCode (cname = "struct gcry_cipher_handle", lower_case_cprefix = "gcry_cipher_", free_function = "gcry_cipher_close")]
+		public class Cipher {
+			public static Error open (out Cipher cipher, Algorithm algo, Mode mode, Flag flags);
+			public void close ();
+			[CCode (cname = "gcry_cipher_ctl")]
+			public Error control (ControlCommand cmd, [CCode (array_length_type = "size_t")] uchar[] buffer);
+			public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer);
+
+			public Error encrypt (uchar[] out_buffer, uchar[] in_buffer);
+			public Error decrypt (uchar[] out_buffer, uchar[] in_buffer);
+
+			[CCode (cname = "gcry_cipher_setkey")]
+			public Error set_key (uchar[] key_data);
+			[CCode (cname = "gcry_cipher_setiv")]
+			public Error set_iv (uchar[] iv_data);
+			[CCode (cname = "gcry_cipher_setctr")]
+			public Error set_counter_vector (uchar[] counter_vector);
+			public Error reset ();
+			public Error sync ();
+		}
+	}
+
+	[Compact, CCode (cname = "struct gcry_md_handle", cprefix = "gcry_md_", free_function = "gcry_md_close")]
+	public class Hash {
+		[CCode (cname = "enum gcry_md_algos", cprefix = "GCRY_MD_")]
+		public enum Algorithm {
+			NONE,
+			SHA1,
+			RMD160,
+			MD5,
+			MD4,
+			MD2,
+			TIGER,
+			TIGER1,
+			TIGER2,
+			HAVAL,
+			SHA224,
+			SHA256,
+			SHA384,
+			SHA512,
+			SHA3_224,
+			SHA3_256,
+			SHA3_384,
+			SHA3_512,
+			SHAKE128,
+			SHAKE256,
+			CRC32,
+			CRC32_RFC1510,
+			CRC24_RFC2440,
+			WHIRLPOOL,
+			GOSTR3411_94,
+			STRIBOG256,
+			STRIBOG512;
+
+			[CCode (cname = "gcry_md_get_algo_dlen")]
+			public size_t get_digest_length ();
+			[CCode (cname = "gcry_md_algo_info")]
+			public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer);
+			[CCode (cname = "gcry_md_algo_name")]
+			public unowned string to_string ();
+			[CCode (cname = "gcry_md_map_name")]
+			public static Algorithm from_string (string name);
+			[CCode (cname = "gcry_md_test_algo")]
+			public Error is_available ();
+			[CCode (cname = "gcry_md_get_asnoid")]
+			public Error get_oid ([CCode (array_length_type = "size_t")] ref uchar[] buffer);
+		}
+
+		[CCode (cname = "enum gcry_md_flags", cprefix = "GCRY_MD_FLAG_")]
+		public enum Flag {
+			SECURE,
+			HMAC,
+			BUGEMU1
+		}
+
+		public static Error open (out Hash hash, Algorithm algo, Flag flag);
+		public void close ();
+		public Error enable (Algorithm algo);
+		[CCode (instance_pos = -1)]
+		public Error copy (out Hash dst);
+		public void reset ();
+		[CCode (cname = "gcry_md_ctl")]
+		public Error control (ControlCommand cmd, [CCode (array_length_type = "size_t")] uchar[] buffer);
+		public void write (uchar[] buffer);
+		[CCode (array_length = false)]
+		public unowned uchar[] read (Algorithm algo);
+		public static void hash_buffer (Algorithm algo, [CCode (array_length = false)] uchar[] digest, uchar[] buffer);
+		public Algorithm get_algo ();
+		public bool is_enabled (Algorithm algo);
+		public bool is_secure ();
+		public Error info (ControlCommand what, [CCode (array_length_type = "size_t")] ref uchar[] buffer);
+		[CCode (cname = "gcry_md_setkey")]
+		public Error set_key (uchar[] key_data);
+		public void putc (char c);
+		public void final ();
+		public static Error list (ref Algorithm[] algos);
+	}
+
+	namespace Random {
+		[CCode (cname = "gcry_random_level_t")]
+		public enum Level {
+			[CCode (cname = "GCRY_WEAK_RANDOM")]
+			WEAK,
+			[CCode (cname = "GCRY_STRONG_RANDOM")]
+			STRONG,
+			[CCode (cname = "GCRY_VERY_STRONG_RANDOM")]
+			VERY_STRONG
+		}
+
+		[CCode (cname = "gcry_randomize")]
+		public static void randomize (uchar[] buffer, Level level = Level.VERY_STRONG);
+		[CCode (cname = "gcry_fast_random_poll")]
+		public static Error poll ();
+		[CCode (cname = "gcry_random_bytes", array_length = false)]
+		public static uchar[] random_bytes (size_t nbytes, Level level = Level.VERY_STRONG);
+		[CCode (cname = "gcry_random_bytes_secure", array_length = false)]
+		public static uchar[] random_bytes_secure (size_t nbytes, Level level = Level.VERY_STRONG);
+		[CCode (cname = "gcry_create_nonce")]
+		public static void nonce (uchar[] buffer);
+	}
+
+	[Compact, CCode (cname = "struct gcry_mpi", cprefix = "gcry_mpi_", free_function = "gcry_mpi_release")]
+	public class MPI {
+		[CCode (cname = "enum gcry_mpi_format", cprefix = "GCRYMPI_FMT_")]
+		public enum Format {
+			NONE,
+			STD,
+			PGP,
+			SSH,
+			HEX,
+			USG
+		}
+
+		[CCode (cname = "enum gcry_mpi_flag", cprefix = "GCRYMPI_FLAG_")]
+		public enum Flag {
+			SECURE,
+			OPAQUE
+		}
+
+		public MPI (uint nbits);
+		[CCode (cname = "gcry_mpi_snew")]
+		public MPI.secure (uint nbits);
+		public MPI copy ();
+		public void set (MPI u);
+		public void set_ui (ulong u);
+		public void swap (MPI b);
+		public int cmp (MPI v);
+		public int cmp_ui (ulong v);
+
+		public static Error scan (out MPI ret, MPI.Format format, [CCode (array_length = false)] uchar[] buffer, size_t buflen, out size_t nscanned);
+		[CCode (instance_pos = -1)]
+		public Error print (MPI.Format format, [CCode (array_length = false)] uchar[] buffer, size_t buflen, out size_t nwritter);
+		[CCode (instance_pos = -1)]
+		public Error aprint (MPI.Format format, [CCode (array_length_type = "size_t")] out uchar[] buffer);
+
+		public void add (MPI u, MPI v);
+		public void add_ui (MPI u, ulong v);
+		public void addm (MPI u, MPI v, MPI m);
+		public void sub (MPI u, MPI v);
+		public void sub_ui (MPI u, ulong v);
+		public void subm (MPI u, MPI v, MPI m);
+		public void mul (MPI u, MPI v);
+		public void mul_ui (MPI u, ulong v);
+		public void mulm (MPI u, MPI v, MPI m);
+		public void mul_2exp (MPI u, ulong cnt);
+		public void div (MPI r, MPI dividend, MPI divisor, int round);
+		public void mod (MPI dividend, MPI divisor);
+		public void powm (MPI b, MPI e, MPI m);
+		public int gcd (MPI a, MPI b);
+		public int invm (MPI a, MPI m);
+
+		public uint get_nbits ();
+		public int test_bit (uint n);
+		public void set_bit (uint n);
+		public void clear_bit (uint n);
+		public void set_highbit (uint n);
+		public void clear_highbit (uint n);
+		public void rshift (MPI a, uint n);
+		public void lshift (MPI a, uint n);
+
+		public void set_flag (MPI.Flag flag);
+		public void clear_flag (MPI.Flag flag);
+		public int get_flag (MPI.Flag flag);
+	}
+
+	[Compact, CCode (cname = "struct gcry_sexp", free_function = "gcry_sexp_release")]
+	public class SExp {
+		[CCode (cname = "int", cprefix = "GCRYSEXP_FMT_")]
+		public enum Format {
+			DEFAULT,
+			CANON,
+			BASE64,
+			ADVANCED
+		}
+
+		public static Error @new (out SExp retsexp, void * buffer, size_t length, int autodetect);
+		public static Error create (out SExp retsexp, void * buffer, size_t length, int autodetect, GLib.DestroyNotify free_function);
+		public static Error sscan (out SExp retsexp, out size_t erroff, char[] buffer);
+		public static Error build (out SExp retsexp, out size_t erroff, string format, ...);
+		public size_t sprint (Format mode, char[] buffer);
+		public static size_t canon_len (uchar[] buffer, out size_t erroff, out int errcode);
+		public SExp find_token (string token, size_t token_length = 0);
+		public int length ();
+		public SExp? nth (int number);
+		public SExp? car ();
+		public SExp? cdr ();
+		[CCode (array_length_type = "size_t")]
+		public unowned char[] nth_data (int number);
+		public gcry_string nth_string (int number);
+		public MPI nth_mpi (int number, MPI.Format mpifmt);
+	}
+
+	[CCode (cname = "char", free_function = "gcry_free")]
+	public class gcry_string : string { }
+
+	[CCode (lower_case_cprefix = "gcry_pk_")]
+	namespace PublicKey {
+		[CCode (cname = "enum gcry_pk_algos")]
+		public enum Algorithm {
+			RSA,
+			ELG_E,
+			DSA,
+			ELG,
+			ECDSA;
+
+			[CCode (cname = "gcry_pk_algo_name")]
+			public unowned string to_string ();
+			[CCode (cname = "gcry_pk_map_name")]
+			public static Algorithm map_name (string name);
+		}
+
+		public static Error encrypt (out SExp ciphertext, SExp data, SExp pkey);
+		public static Error decrypt (out SExp plaintext, SExp data, SExp skey);
+		public static Error sign (out SExp signature, SExp data, SExp skey);
+		public static Error verify (SExp signature, SExp data, SExp pkey);
+		public static Error testkey (SExp key);
+		public static Error genkey (out SExp r_key, SExp s_params);
+		public static uint get_nbits (SExp key);
+	}
+
+	[CCode (lower_case_cprefix = "gcry_kdf_")]
+	namespace KeyDerivation {
+		[CCode (cname = "enum gcry_kdf_algos", cprefix = "GCRY_KDF_", has_type_id = false)]
+		public enum Algorithm {
+			NONE,
+			SIMPLE_S2K,
+			SALTED_S2K,
+			ITERSALTED_S2K,
+			PBKDF1,
+			PBKDF2,
+			SCRYPT
+		}
+
+		public GCrypt.Error derive ([CCode (type = "const void*", array_length_type = "size_t")] uint8[] passphrasse, GCrypt.KeyDerivation.Algorithm algo, GCrypt.Hash.Algorithm subalgo, [CCode (type = "const void*", array_length_type = "size_t")] uint8[] salt, ulong iterations, [CCode (type = "void*", array_length_type = "size_t", array_length_pos = 5.5)] uint8[] keybuffer);
+	}
+}

src/vapi/mpv.vapi

@@ -0,0 +1,177 @@
+[CCode (cheader_filename = "mpv/client.h")]
+namespace Mpv {
+
+    [CCode (cname = "mpv_error", cprefix = "MPV_ERROR_", has_type_id = false)]
+    public enum Error {
+        SUCCESS,
+        EVENT_QUEUE_FULL,
+        NOMEM,
+        UNINITIALIZED,
+        INVALID_PARAMETER,
+        OPTION_NOT_FOUND,
+        OPTION_FORMAT,
+        OPTION_ERROR,
+        PROPERTY_NOT_FOUND,
+        PROPERTY_FORMAT,
+        PROPERTY_UNAVAILABLE,
+        PROPERTY_ERROR,
+        COMMAND,
+        LOADING_FAILED,
+        AO_INIT_FAILED,
+        VO_INIT_FAILED,
+        NOTHING_TO_PLAY,
+        UNKNOWN_FORMAT,
+        UNSUPPORTED,
+        NOT_IMPLEMENTED,
+        GENERIC;
+
+        [CCode (cname = "mpv_error_string")]
+        public unowned string to_string ();
+    }
+
+    public delegate void WakeupCallback ();
+
+    [CCode (cname = "mpv_handle", free_function = "mpv_terminate_destroy")]
+    [Compact]
+    public class Handle {
+        [CCode (cname = "mpv_create")]
+        public Handle ();
+
+        [CCode (cname = "mpv_initialize")]
+        public Error initialize ();
+
+        [CCode (cname = "mpv_wait_event")]
+        public unowned Event? wait_event (double timeout);
+
+        public WakeupCallback wakeup_callback {
+            [CCode (cname = "mpv_set_wakeup_callback")] set;
+        }
+
+        [CCode (cname = "mpv_set_property")]
+        private Error set_property (string name, Format format, void *data);
+
+        [CCode (cname = "mpv_set_property_string")]
+        public Error set_property_string (string name, string value);
+
+        public Error set_property_int64 (string name, int64 value) {
+            return this.set_property (name, Format.INT64, &value);
+        }
+
+        public Error set_property_flag (string name, bool value) {
+            int flag = value ? 1 : 0;
+            return this.set_property (name, Format.FLAG, &flag);
+        }
+
+        [CCode (cname = "mpv_command")]
+        public Error command ([CCode (array_length = false)] string[] args);
+
+        [CCode (cname = "mpv_command_async")]
+        public Error command_async (uint64 reply_userdata, [CCode (array_length = false)] string[] args);
+
+        [CCode (cname = "mpv_observe_property")]
+        public Error observe_property (uint64 reply_userdata, string name, Format format);
+    }
+
+    [CCode (cname = "mpv_format", cprefix = "MPV_FORMAT_", has_type_id = false)]
+    public enum Format {
+        NONE,
+        STRING,
+        OSD_STRING,
+        FLAG,
+        INT64,
+        DOUBLE,
+        NODE,
+        NODE_ARRAY,
+        NODE_MAP,
+        BYTE_ARRAY,
+    }
+
+    [CCode (cname = "mpv_event_id", cprefix = "MPV_EVENT_", has_type_id = false)]
+    public enum EventId {
+        NONE,
+        SHUTDOWN,
+        LOG_MESSAGE,
+        GET_PROPERTY_REPLY,
+        SET_PROPERTY_REPLY,
+        COMMAND_REPLY,
+        START_FILE,
+        END_FILE,
+        FILE_LOADED,
+        CLIENT_MESSAGE,
+        VIDEO_RECONFIG,
+        AUDIO_RECONFIG,
+        SEEK,
+        PLAYBACK_RESTART,
+        PROPERTY_CHANGE,
+        QUEUE_OVERFLOW,
+        HOOK;
+
+        [CCode (cname = "mpv_event_name")]
+        public unowned string to_string ();
+    }
+
+    [CCode (cname = "mpv_event", destroy_function = "", has_type_id = false, has_copy_function = false)]
+    public struct Event {
+        EventId event_id;
+        Error error;
+        uint64 reply_userdata;
+        void *data;
+
+        public unowned EventProperty? parse_property ()
+                requires (event_id == EventId.PROPERTY_CHANGE)
+                requires (error >= 0)
+        {
+            return (EventProperty?) data;
+        }
+
+        public unowned EventEndFile? parse_end_file ()
+                requires (event_id == EventId.END_FILE)
+                requires (error >= 0)
+        {
+            return (EventEndFile?) data;
+        }
+    }
+
+    [CCode (cname = "mpv_event_property", destroy_function = "", has_type_id = false, has_copy_function = false)]
+    public struct EventProperty {
+        unowned string name;
+        Format format;
+        void *data;
+
+        public int64 parse_int64 ()
+                requires (format == Format.INT64)
+        {
+            return * (int64 *) data;
+        }
+
+        public double parse_double ()
+                requires (format == Format.DOUBLE)
+        {
+            return * (double *) data;
+        }
+
+        public bool parse_flag ()
+                requires (format == Format.FLAG)
+        {
+            return (* (int *) data) == 1;
+        }
+    }
+
+    [CCode (cname = "mpv_event_end_file", destroy_function = "", has_type_id = false, has_copy_function = false)]
+    public struct EventEndFile {
+        EndFileReason reason;
+        Error error;
+        int64 playlist_entry_id;
+        int playlist_insert_num_entries;
+    }
+
+    [CCode (cname = "mpv_end_file_reason", cprefix = "MPV_END_FILE_REASON_", has_type_id = false)]
+    public enum EndFileReason {
+        EOF,
+        STOP,
+        QUIT,
+        ERROR,
+        REDIRECT,
+    }
+
+}