librespot: ux improvements

packages/addons/service/librespot/changelog.txt

@@ -1,3 +1,7 @@
+106
+- Rework code
+- Display artist and title on track load
+
 105
 - Update to 910974e
 

packages/addons/service/librespot/package.mk

@@ -19,7 +19,7 @@
 
 PKG_NAME="librespot"
 PKG_VERSION="910974e"
-PKG_REV="105"
+PKG_REV="106"
 PKG_ARCH="any"
 PKG_LICENSE="MIT"
 PKG_SITE="https://github.com/plietar/$PKG_NAME/"

packages/addons/service/librespot/patches/librespot-03_libreelec_hooks.patch

@@ -1,7 +1,24 @@
 diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
 --- librespot/src/player.rs	2017-07-09 20:01:31.000000000 +0200
-+++ librespot-hooks/src/player.rs	2017-07-17 09:13:26.300852918 +0200
++++ librespot-hooks/src/player.rs	2017-07-22 13:46:06.741727001 +0200
-@@ -212,7 +212,7 @@
+@@ -2,6 +2,7 @@
+ use futures::{future, Future};
+ use std::borrow::Cow;
+ use std::io::{Read, Seek};
++use std::env;
+ use std::mem;
+ use std::sync::mpsc::{RecvError, TryRecvError};
+ use std::thread;
+@@ -11,7 +12,7 @@
+ use audio_backend::Sink;
+ use audio_decrypt::AudioDecrypt;
+ use audio_file::AudioFile;
+-use metadata::{FileFormat, Track};
++use metadata::{Artist, FileFormat, Track};
+ use session::{Bitrate, Session};
+ use mixer::AudioFilter;
+ use util::{self, SpotifyId, Subfile};
+@@ -212,7 +213,7 @@
              Some(Err(e)) => panic!("Vorbis error {:?}", e),
              None => {
                  self.sink.stop().unwrap();
@@ -10,16 +27,20 @@ diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
  
                  let old_state = mem::replace(&mut self.state, PlayerState::Stopped);
                  old_state.signal_end_of_track();
-@@ -224,6 +224,8 @@
+@@ -224,6 +225,12 @@
          debug!("command={:?}", cmd);
          match cmd {
              PlayerCommand::Load(track_id, play, position, end_of_track) => {
++                let track = self.session.metadata().get::<Track>(track_id).wait().unwrap();
++                let artist = self.session.metadata().get::<Artist>(track.artists[0]).wait().unwrap();
++                env::set_var("LS_ARTIST", artist.name);
++                env::set_var("LS_TITLE", track.name);
 +                self.run_onstart();
 +
                  if self.state.is_playing() {
                      self.sink.stop().unwrap();
                  }
-@@ -232,7 +234,7 @@
+@@ -232,7 +239,7 @@
                      Some(decoder) => {
                          if play {
                              if !self.state.is_playing() {
@@ -28,7 +49,7 @@ diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
                              }
                              self.sink.start().unwrap();
  
-@@ -242,7 +244,7 @@
+@@ -242,7 +249,7 @@
                              };
                          } else {
                              if self.state.is_playing() {
@@ -37,7 +58,7 @@ diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
                              }
  
                              self.state = PlayerState::Paused {
-@@ -255,7 +257,7 @@
+@@ -255,7 +262,7 @@
                      None => {
                          end_of_track.complete(());
                          if self.state.is_playing() {
@@ -46,7 +67,7 @@ diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
                          }
                      }
                  }
-@@ -276,7 +278,7 @@
+@@ -276,7 +283,7 @@
                  if let PlayerState::Paused { .. } = self.state {
                      self.state.paused_to_playing();
  
@@ -55,7 +76,7 @@ diff -Naur librespot/src/player.rs librespot-hooks/src/player.rs
                      self.sink.start().unwrap();
                  } else {
                      warn!("Player::play called from invalid state");
-@@ -288,17 +290,19 @@
+@@ -288,17 +295,19 @@
                      self.state.playing_to_paused();
  
                      self.sink.stop().unwrap();

packages/addons/service/librespot/source/addon.py

@@ -16,8 +16,24 @@
 #  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
 ################################################################################
 
-from default import addon as addon
+import alsaaudio as alsa
+import xbmcaddon
+import xbmcgui
+
+
+dialog  = xbmcgui.Dialog()
+strings  = xbmcaddon.Addon().getLocalizedString
+while True:
+   pcms = alsa.pcms()[1:]
+   if len(pcms) == 0:
+      dialog.ok(xbmcaddon.Addon().getAddonInfo('name'), strings(30210))
+      break
+   pcmx = dialog.select(strings(30112), pcms)
+   if pcmx == -1:
+      break
+   pcm = pcms[pcmx]
+   xbmcaddon.Addon().setSetting('ls_o', pcm)
+   break
+del dialog
 
 
-if __name__ == '__main__':
-   addon()

packages/addons/service/librespot/source/bin/librespot.env

@@ -0,0 +1,2 @@
+LS_PORT="6666"
+LS_SINK="librespot_sink"

packages/addons/service/librespot/source/bin/librespot.onstart

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo -e "play\n$LS_ARTIST\n$LS_TITLE" > "$LS_FIFO"

packages/addons/service/librespot/source/bin/librespot.onstop

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo -e "stop" > "$LS_FIFO"

packages/addons/service/librespot/source/bin/librespot.start

@@ -84,12 +84,11 @@ init_alsa() {
 . /etc/profile
 oe_setup_addon service.librespot
 
-LS_PORT="6666"
+LIBRESPOT="librespot --cache \"$ADDON_HOME/cache\" \
-LS_SINK="librespot_sink"
-
-LIBRESPOT="librespot --cache \"$ADDON_HOME/cache\"
                      --disable-audio-cache \
-                     --name \"Librespot@$HOSTNAME\""
+                     --name \"Librespot@$HOSTNAME\" \
+                     --onstart librespot.onstart \
+                     --onstop librespot.onstop"
 
 if [ -n "$ls_b" -a "$ls_b" != "-" ]; then
   LIBRESPOT="$LIBRESPOT --bitrate $ls_b"
@@ -102,18 +101,7 @@ if [ -n "$ls_p" -a -n "$ls_u" ]; then
 fi
 
 if [ "$ls_O" == "Kodi" ]; then
-  if [ -z "$(pactl list short modules | grep sink_name=$LS_SINK)" ]; then
+  LIBRESPOT="$LIBRESPOT --backend pulseaudio"
-    pactl load-module module-null-sink sink_name="$LS_SINK" > /dev/null
-  fi
-  pactl suspend-sink "$LS_SINK" 1
-  if [ -z "$(pactl list short modules | grep source=$LS_SINK.monitor)" ]; then
-    pactl load-module module-rtp-send source="$LS_SINK.monitor" \
-      destination_ip=127.0.0.1 port="$LS_PORT" source_ip=127.0.0.1 > /dev/null
-  fi
-  LIBRESPOT="$LIBRESPOT \
-    --backend pulseaudio \
-    --onstart=\"kodi-send --action=RunAddon(service.librespot,start)\" \
-    --onstop=\"kodi-send --action=RunAddon(service.librespot,stop)\""
 else
   init_alsa
   if [ -n "$ls_o" ]; then
@@ -121,4 +109,15 @@ else
   fi
 fi
 
+if [ -z "$(pactl list short modules | grep sink_name=$LS_SINK)" ]; then
+  pactl load-module module-null-sink sink_name="$LS_SINK" > /dev/null
+fi
+pactl suspend-sink "$LS_SINK" 1
+if [ -z "$(pactl list short modules | grep source=$LS_SINK.monitor)" ]; then
+  pactl load-module module-rtp-send source="$LS_SINK.monitor" \
+    destination_ip=127.0.0.1 port="$LS_PORT" source_ip=127.0.0.1 > /dev/null
+fi
+
+export LS_FIFO="$ADDON_DIR/rc"
+
 eval $LIBRESPOT

packages/addons/service/librespot/source/default.py

@@ -16,10 +16,11 @@
 #  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
 ################################################################################
 
-import alsaaudio as alsa
 import os
+import stat
 import subprocess
 import sys
+import threading
 import xbmc
 import xbmcaddon
 import xbmcgui
@@ -27,107 +28,105 @@ import xbmcgui
 PORT = '6666'
 SINK = 'librespot_sink'
 
-NAME     = xbmcaddon.Addon().getAddonInfo('name')
+
-STRINGS  = xbmcaddon.Addon().getLocalizedString
+def suspendSink(bit):
+   subprocess.call(['pactl', 'suspend-sink', SINK, bit])
+
+def systemctl(command):
+   subprocess.call(['systemctl', command, xbmcaddon.Addon().getAddonInfo('id')])
 
 
-def addon():
+class Controller(threading.Thread):
-   if len(sys.argv) == 1:
+
+   FIFO = os.path.join(xbmcaddon.Addon().getAddonInfo('path'), 'rc')
+
+   def __init__(self, player):
+      super(Controller, self).__init__()
+      self.player = player
+
+   def run(self):
+      try:
+         os.unlink(self.FIFO)
+      except OSError:
          pass
-   elif sys.argv[1] == 'start':
+      os.mkfifo(self.FIFO)
-      Player().play()
+      while os.path.exists(self.FIFO) and stat.S_ISFIFO(os.stat(self.FIFO).st_mode):
-   elif sys.argv[1] == 'stop':
+         with open(self.FIFO, 'r') as fifo:
-      Player().stop()
+            command = fifo.read().splitlines()
-   elif sys.argv[1] == 'wizard':
+            if len(command) == 0:
+               break
+            elif command[0] == 'play' and len(command) == 3:
                dialog = xbmcgui.Dialog()
-      while True:
+               dialog.notification(command[1],
-         pcms = alsa.pcms()[1:]
+                                   command[2],
-         if len(pcms) == 0:
+                                   icon=xbmcaddon.Addon().getAddonInfo('icon'),
-            dialog.ok(NAME, STRINGS(30210))
+                                   sound=False)
-            break
+               del dialog
-         pcmx = dialog.select(STRINGS(30112), pcms)
+               self.player.play()
-         if pcmx == -1:
+            elif command[0] == 'stop':
-            break
-         pcm = pcms[pcmx]
-         xbmcaddon.Addon().setSetting('ls_o', pcm)
-         break
-
-
-class Monitor(xbmc.Monitor):
-
-   def __init__(self, *args, **kwargs):
-      super(Monitor, self).__init__(self)
-      self.player = Player()
-
-   def onSettingsChanged(self):
                self.player.stop()
 
+   def stop(self):
+      try:
+         os.unlink(self.FIFO)
+      except OSError:
+         pass
+
 
 class Player(xbmc.Player):
 
    ITEM = 'rtp://127.0.0.1:{port}'.format(port=PORT)
-   LISTITEM = xbmcgui.ListItem(NAME)
-   LISTITEM.setArt({'thumb': xbmcaddon.Addon().getAddonInfo('icon')})
 
-   def __init__(self, *args, **kwargs):
+   def __init__(self):
       super(Player, self).__init__(self)
-      self.service = Service()
+      self.window = xbmcgui.Window(12006)
-      self.sink = Sink()
       if self.isPlaying():
          self.onPlayBackStarted()
 
    def onPlayBackEnded(self):
+      suspendSink('1')
       xbmc.sleep(1000)
       if not self.isPlaying():
-         self.service.restart()
+         systemctl('restart')
 
    def onPlayBackStarted(self):
       if self.getPlayingFile() != self.ITEM:
-         self.sink.suspend()
+         suspendSink('1')
-         self.service.stop()
+         systemctl('stop')
 
    def onPlayBackStopped(self):
-      self.service.restart()
+      systemctl('restart')
 
    def play(self):
-      if not self.isPlaying():
+      if not self.isPlaying() and xbmcaddon.Addon().getSetting('ls_O') == 'Kodi':
-         self.sink.unsuspend()
+         suspendSink('0')
-         super(Player, self).play(self.ITEM, self.LISTITEM)
+         listitem = xbmcgui.ListItem(xbmcaddon.Addon().getAddonInfo('name'))
+         listitem.setArt({'thumb': xbmcaddon.Addon().getAddonInfo('icon')})
+         super(Player, self).play(self.ITEM, listitem)
+         del listitem
+         self.window.show()
 
    def stop(self):
-      self.sink.suspend()
+      suspendSink('1')
       if self.isPlaying() and self.getPlayingFile() == self.ITEM:
          super(Player, self).stop()
       else:
-         self.service.restart()
+         systemctl('restart')
 
 
-class Service():
+class Monitor(xbmc.Monitor):
 
-   def __init__(self):
+   def __init__(self, player):
-      self.id = xbmcaddon.Addon().getAddonInfo('id')
+      super(Monitor, self).__init__(self)
+      self.player = player
 
-   def restart(self):
+   def onSettingsChanged(self):
-      self.systemctl('restart')
+      self.player.stop()
-
-   def start(self):
-      self.systemctl('start')
-
-   def stop(self):
-      self.systemctl('stop')
-
-   def systemctl(self, command):
-      subprocess.call(['systemctl', command, self.id])
-
-
-class Sink():
-
-   def suspend(self):
-      subprocess.call(['pactl', 'suspend-sink', SINK, '1'])
-
-   def unsuspend(self):
-      subprocess.call(['pactl', 'suspend-sink', SINK, '0'])
 
 
 if __name__ == '__main__':
-   Monitor().waitForAbort()
+   player = Player()
+   controller = Controller(player)
+   controller.start()
+   Monitor(player).waitForAbort()
+   controller.stop()

packages/addons/service/librespot/source/resources/settings.xml

@@ -10,7 +10,7 @@
    </category>
    <category   label="30110" >
       <setting label="30106" type="labelenum" id="ls_O" lvalues="ALSA|Kodi" visible="false" />
-      <setting label="30111" type="action"    action="RunAddon(service.librespot,wizard)" enable="eq(-1,0)" />
+      <setting label="30111" type="action"    action="RunAddon(service.librespot)" enable="eq(-1,0)" />
       <setting label="30112" type="text"      id="ls_o" default="" enable="eq(-2,0)" />
       <setting label="30113" type="enum"      id="pcm_3" lvalues="30114|30115|30116" enable="eq(-3,0)" visible="eq(-1,default:CARD=ALSA)|eq(-1,sysdefault:CARD=ALSA)" />
    </category>

packages/addons/service/librespot/source/system.d/service.librespot.service

@@ -1,11 +1,12 @@
 [Unit]
 Description=librespot
-After=network-online.target sound.target
+After=kodi.service network-online.target sound.target
-Requires=network-online.target sound.target
+Requires=kodi.service network-online.target sound.target
 
 [Service]
+EnvironmentFile=/storage/.kodi/addons/service.librespot/bin/librespot.env
 ExecStart=/bin/sh /storage/.kodi/addons/service.librespot/bin/librespot.start
-ExecStopPost=/usr/bin/pactl suspend-sink librespot_sink 1
+ExecStopPost=/usr/bin/pactl suspend-sink "$LS_SINK" 1
 Restart=on-failure
 
 [Install]