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https://github.com/johrpan/musicus.git
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Move crates to toplevel directory
This commit is contained in:
Elias Projahn
parent
d16961efa8
commit
0ffe68e04f
127 changed files with 15 additions and 13 deletions
391
backend/src/player.rs
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391
backend/src/player.rs
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@ -0,0 +1,391 @@
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use crate::{Error, Result};
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use mpris_player::{Metadata, MprisPlayer, PlaybackStatus};
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use musicus_database::TrackSet;
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use glib::clone;
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use gstreamer_player::prelude::*;
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use std::cell::{Cell, RefCell};
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use std::path::PathBuf;
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use std::rc::Rc;
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use std::sync::Arc;
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#[derive(Clone)]
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pub struct PlaylistItem {
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pub track_set: TrackSet,
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pub indices: Vec<usize>,
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}
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pub struct Player {
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music_library_path: PathBuf,
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player: gstreamer_player::Player,
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mpris: Arc<MprisPlayer>,
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playlist: RefCell<Vec<PlaylistItem>>,
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current_item: Cell<Option<usize>>,
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current_track: Cell<Option<usize>>,
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playing: Cell<bool>,
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playlist_cbs: RefCell<Vec<Box<dyn Fn(Vec<PlaylistItem>)>>>,
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track_cbs: RefCell<Vec<Box<dyn Fn(usize, usize)>>>,
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duration_cbs: RefCell<Vec<Box<dyn Fn(u64)>>>,
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playing_cbs: RefCell<Vec<Box<dyn Fn(bool)>>>,
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position_cbs: RefCell<Vec<Box<dyn Fn(u64)>>>,
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raise_cb: RefCell<Option<Box<dyn Fn()>>>,
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}
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impl Player {
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pub fn new(music_library_path: PathBuf) -> Rc<Self> {
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let dispatcher = gstreamer_player::PlayerGMainContextSignalDispatcher::new(None);
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let player = gstreamer_player::Player::new(None, Some(&dispatcher.upcast()));
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let mut config = player.get_config();
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config.set_position_update_interval(250);
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player.set_config(config).unwrap();
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player.set_video_track_enabled(false);
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let mpris = MprisPlayer::new(
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"de.johrpan.musicus".to_string(),
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"Musicus".to_string(),
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"de.johrpan.musicus.desktop".to_string(),
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);
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mpris.set_can_raise(true);
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mpris.set_can_play(false);
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mpris.set_can_go_previous(false);
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mpris.set_can_go_next(false);
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mpris.set_can_seek(false);
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mpris.set_can_set_fullscreen(false);
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let result = Rc::new(Self {
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music_library_path,
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player: player.clone(),
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mpris,
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playlist: RefCell::new(Vec::new()),
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current_item: Cell::new(None),
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current_track: Cell::new(None),
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playing: Cell::new(false),
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playlist_cbs: RefCell::new(Vec::new()),
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track_cbs: RefCell::new(Vec::new()),
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duration_cbs: RefCell::new(Vec::new()),
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playing_cbs: RefCell::new(Vec::new()),
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position_cbs: RefCell::new(Vec::new()),
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raise_cb: RefCell::new(None),
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});
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let clone = fragile::Fragile::new(result.clone());
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player.connect_end_of_stream(move |_| {
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let clone = clone.get();
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if clone.has_next() {
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clone.next().unwrap();
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} else {
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clone.player.stop();
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clone.playing.replace(false);
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for cb in &*clone.playing_cbs.borrow() {
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cb(false);
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}
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clone.mpris.set_playback_status(PlaybackStatus::Paused);
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}
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});
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let clone = fragile::Fragile::new(result.clone());
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player.connect_position_updated(move |_, position| {
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for cb in &*clone.get().position_cbs.borrow() {
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cb(position.mseconds().unwrap());
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}
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});
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let clone = fragile::Fragile::new(result.clone());
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player.connect_duration_changed(move |_, duration| {
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for cb in &*clone.get().duration_cbs.borrow() {
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cb(duration.mseconds().unwrap());
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}
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});
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result.mpris.connect_play_pause(clone!(@weak result => move || {
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result.play_pause();
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}));
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result.mpris.connect_play(clone!(@weak result => move || {
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if !result.is_playing() {
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result.play_pause();
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}
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}));
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result.mpris.connect_pause(clone!(@weak result => move || {
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if result.is_playing() {
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result.play_pause();
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}
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}));
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result.mpris.connect_previous(clone!(@weak result => move || {
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let _ = result.previous();
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}));
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result.mpris.connect_next(clone!(@weak result => move || {
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let _ = result.next();
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}));
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result.mpris.connect_raise(clone!(@weak result => move || {
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let cb = result.raise_cb.borrow();
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if let Some(cb) = &*cb {
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cb()
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}
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}));
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result
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}
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pub fn add_playlist_cb<F: Fn(Vec<PlaylistItem>) + 'static>(&self, cb: F) {
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self.playlist_cbs.borrow_mut().push(Box::new(cb));
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}
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pub fn add_track_cb<F: Fn(usize, usize) + 'static>(&self, cb: F) {
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self.track_cbs.borrow_mut().push(Box::new(cb));
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}
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pub fn add_duration_cb<F: Fn(u64) + 'static>(&self, cb: F) {
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self.duration_cbs.borrow_mut().push(Box::new(cb));
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}
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pub fn add_playing_cb<F: Fn(bool) + 'static>(&self, cb: F) {
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self.playing_cbs.borrow_mut().push(Box::new(cb));
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}
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pub fn add_position_cb<F: Fn(u64) + 'static>(&self, cb: F) {
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self.position_cbs.borrow_mut().push(Box::new(cb));
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}
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pub fn set_raise_cb<F: Fn() + 'static>(&self, cb: F) {
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self.raise_cb.replace(Some(Box::new(cb)));
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}
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pub fn get_playlist(&self) -> Vec<PlaylistItem> {
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self.playlist.borrow().clone()
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}
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pub fn get_current_item(&self) -> Option<usize> {
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self.current_item.get()
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}
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pub fn get_current_track(&self) -> Option<usize> {
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self.current_track.get()
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}
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pub fn get_duration(&self) -> gstreamer::ClockTime {
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self.player.get_duration()
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}
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pub fn is_playing(&self) -> bool {
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self.playing.get()
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}
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pub fn add_item(&self, item: PlaylistItem) -> Result<()> {
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if item.indices.is_empty() {
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Err(Error::Other("Tried to add an empty playlist item!"))
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} else {
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let was_empty = {
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let mut playlist = self.playlist.borrow_mut();
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let was_empty = playlist.is_empty();
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playlist.push(item);
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was_empty
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};
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for cb in &*self.playlist_cbs.borrow() {
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cb(self.playlist.borrow().clone());
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}
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if was_empty {
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self.set_track(0, 0)?;
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self.player.play();
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self.playing.set(true);
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for cb in &*self.playing_cbs.borrow() {
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cb(true);
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}
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self.mpris.set_can_play(true);
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self.mpris.set_playback_status(PlaybackStatus::Playing);
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}
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Ok(())
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}
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}
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pub fn play_pause(&self) {
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if self.is_playing() {
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self.player.pause();
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self.playing.set(false);
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for cb in &*self.playing_cbs.borrow() {
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cb(false);
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}
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self.mpris.set_playback_status(PlaybackStatus::Paused);
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} else {
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self.player.play();
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self.playing.set(true);
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for cb in &*self.playing_cbs.borrow() {
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cb(true);
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}
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self.mpris.set_playback_status(PlaybackStatus::Playing);
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}
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}
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pub fn seek(&self, ms: u64) {
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self.player.seek(gstreamer::ClockTime::from_mseconds(ms));
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}
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pub fn has_previous(&self) -> bool {
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if let Some(current_item) = self.current_item.get() {
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if let Some(current_track) = self.current_track.get() {
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current_track > 0 || current_item > 0
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} else {
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false
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}
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} else {
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false
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}
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}
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pub fn previous(&self) -> Result<()> {
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let mut current_item = self.current_item.get()
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.ok_or(Error::Other("Player tried to access non existant current item."))?;
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let mut current_track = self
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.current_track
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.get()
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.ok_or(Error::Other("Player tried to access non existant current track."))?;
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let playlist = self.playlist.borrow();
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if current_track > 0 {
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current_track -= 1;
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} else if current_item > 0 {
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current_item -= 1;
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current_track = playlist[current_item].indices.len() - 1;
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} else {
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return Err(Error::Other("No existing previous track."));
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}
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self.set_track(current_item, current_track)
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}
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pub fn has_next(&self) -> bool {
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if let Some(current_item) = self.current_item.get() {
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if let Some(current_track) = self.current_track.get() {
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let playlist = self.playlist.borrow();
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let item = &playlist[current_item];
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current_track + 1 < item.indices.len() || current_item + 1 < playlist.len()
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} else {
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false
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}
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} else {
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false
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}
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}
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pub fn next(&self) -> Result<()> {
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let mut current_item = self.current_item.get()
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.ok_or(Error::Other("Player tried to access non existant current item."))?;
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let mut current_track = self
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.current_track
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.get()
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.ok_or(Error::Other("Player tried to access non existant current track."))?;
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let playlist = self.playlist.borrow();
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let item = &playlist[current_item];
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if current_track + 1 < item.indices.len() {
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current_track += 1;
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} else if current_item + 1 < playlist.len() {
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current_item += 1;
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current_track = 0;
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} else {
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return Err(Error::Other("No existing previous track."));
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}
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self.set_track(current_item, current_track)
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}
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pub fn set_track(&self, current_item: usize, current_track: usize) -> Result<()> {
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let item = &self.playlist.borrow()[current_item];
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let track = &item.track_set.tracks[current_track];
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let uri = format!(
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"file://{}",
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self.music_library_path.join(track.path.clone()).to_str().unwrap(),
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);
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self.player.set_uri(&uri);
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if self.is_playing() {
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self.player.play();
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}
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self.current_item.set(Some(current_item));
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self.current_track.set(Some(current_track));
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for cb in &*self.track_cbs.borrow() {
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cb(current_item, current_track);
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}
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let mut parts = Vec::<String>::new();
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for part in &track.work_parts {
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parts.push(item.track_set.recording.work.parts[*part].title.clone());
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}
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let mut title = item.track_set.recording.work.get_title();
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if !parts.is_empty() {
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title = format!("{}: {}", title, parts.join(", "));
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}
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let subtitle = item.track_set.recording.get_performers();
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let mut metadata = Metadata::new();
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metadata.artist = Some(vec![title]);
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metadata.title = Some(subtitle);
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self.mpris.set_metadata(metadata);
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self.mpris.set_can_go_previous(self.has_previous());
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self.mpris.set_can_go_next(self.has_next());
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Ok(())
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}
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pub fn send_data(&self) {
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for cb in &*self.playlist_cbs.borrow() {
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cb(self.playlist.borrow().clone());
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}
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for cb in &*self.track_cbs.borrow() {
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cb(self.current_item.get().unwrap(), self.current_track.get().unwrap());
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}
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for cb in &*self.duration_cbs.borrow() {
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cb(self.player.get_duration().mseconds().unwrap());
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}
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for cb in &*self.playing_cbs.borrow() {
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cb(self.is_playing());
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}
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}
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pub fn clear(&self) {
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self.player.stop();
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self.playing.set(false);
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self.current_item.set(None);
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self.current_track.set(None);
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self.playlist.replace(Vec::new());
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for cb in &*self.playing_cbs.borrow() {
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cb(false);
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}
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for cb in &*self.playlist_cbs.borrow() {
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cb(Vec::new());
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}
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self.mpris.set_can_play(false);
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}
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}
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