132 lines
4.4 KiB
Python
132 lines
4.4 KiB
Python
# Copyright 2021 (c) Anna Schumaker.
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from . import artwork
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from . import controls
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from . import nowplaying
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from . import seeker
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from lib import publisher
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from lib import settings
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from gi.repository import Gst, GLib
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import tagdb
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class Player:
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def __init__(self):
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self.video = Gst.ElementFactory.make("fakesink")
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self.playbin = Gst.ElementFactory.make("playbin")
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self.playbin.set_property("video-sink", self.video)
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self.bus = self.playbin.get_bus()
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self.bus.add_signal_watch()
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self.bus.connect("message::eos", self.next)
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self.bus.connect("message::state-changed", self.on_state_changed)
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self.bus.connect("message::tag", self.on_tag)
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self.Controls = controls.Controls()
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self.Controls.connect("previous", self.previous)
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self.Controls.connect("play", self.play)
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self.Controls.connect("pause", self.pause)
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self.Controls.connect("next", self.next)
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self.Controls.connect("volume-changed", self.volume_changed)
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self.NowPlaying = nowplaying.NowPlaying()
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self.Artwork = artwork.Artwork()
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self.Seeker = seeker.Seeker()
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self.Seeker.connect(self.seeked)
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self.Controls.sizegroup.add_widget(self.Seeker.scale)
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GLib.timeout_add(250, self.update_progress)
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self.TrackChanged = publisher.Publisher()
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self.track = tagdb.Tracks[settings.get_int("audio.trackid")]
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self.load_set_state(self.track, Gst.State.PAUSED)
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if self.track:
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self.track.add_to_playlist("Previous")
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self.volume_changed()
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def duration(self):
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(res, dur) = self.playbin.query_duration(Gst.Format.TIME)
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return dur if res == True else 0
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def get_state(self):
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(ret, state, pending) = self.playbin.get_state(Gst.CLOCK_TIME_NONE)
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if ret == Gst.StateChangeReturn.SUCCESS:
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return state
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return ret
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def load_track(self, track):
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prev = self.track
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self.track = track
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if track is not None:
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settings.set("audio.trackid", track.trackid)
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uri = track.filepath().absolute().as_uri()
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self.playbin.set_property("uri", uri)
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self.TrackChanged.publish(prev, self.track)
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def load_set_state(self, track, state):
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self.playbin.set_state(Gst.State.READY)
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self.load_track(track)
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if track is not None:
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self.playbin.set_state(state)
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def next(self, *args):
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duration = self.duration()
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if duration > 0 and (self.runtime() / duration) > (2 / 3):
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self.track.played()
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(track, cont) = tagdb.Stack.next()
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state = Gst.State.PLAYING if cont else Gst.State.PAUSED
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self.load_set_state(track, state)
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def on_state_changed(self, bus, message):
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(old, new, pending) = message.parse_state_changed()
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self.Controls.set_state(new)
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def on_tag(self, bus, message):
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taglist = message.parse_tag()
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(res, title) = taglist.get_string("title")
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if res == True:
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self.NowPlaying.set_title(title)
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(res, artist) = taglist.get_string("artist")
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if res == True:
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self.NowPlaying.set_artist(artist)
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(res, sample) = taglist.get_sample("image")
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if res == True:
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self.Artwork.set_from_sample(sample)
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else:
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self.Artwork.reset()
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def pause(self, *args):
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self.playbin.set_state(Gst.State.PAUSED)
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def play(self, *args):
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self.playbin.set_state(Gst.State.PLAYING)
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def play_track(self, track):
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if track == self.track:
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return False
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self.load_set_state(track, Gst.State.PLAYING)
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return True
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def position(self):
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(res, pos) = self.playbin.query_position(Gst.Format.TIME)
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return pos if res == True else 0
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def previous(self, *args):
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self.play_track(tagdb.Stack.previous())
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def runtime(self):
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if self.playbin.clock == None:
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return 0
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return self.playbin.clock.get_time() - self.playbin.base_time
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def seeked(self, scale, scroll, value):
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self.playbin.seek_simple(Gst.Format.TIME, Gst.SeekFlags.FLUSH,
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value * Gst.SECOND)
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def update_progress(self):
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self.Seeker.configure(self.position() / Gst.SECOND,
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self.duration() / Gst.SECOND)
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return GLib.SOURCE_CONTINUE
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def volume_changed(self, *args):
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self.playbin.set_property("volume", self.Controls.menu.volume.get_value())
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