145 lines
4.7 KiB
Python
145 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals # at top of module
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import os
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import random
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import vlc
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import logging
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import config
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from pubsub import pub
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from utils import call_threaded
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player = None
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log = logging.getLogger("controller.player")
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def setup():
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global player
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if player == None:
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player = audioPlayer()
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class audioPlayer(object):
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def __init__(self):
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self.is_playing = False
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self.vol = config.app["main"]["volume"]
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self.is_working = False
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self.queue = []
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self.stopped = True
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self.queue_pos = 0
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self.shuffle = False
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self.instance = vlc.Instance()
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self.player = self.instance.media_player_new()
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log.debug("Media player instantiated.")
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self.event_manager = self.player.event_manager()
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self.event_manager.event_attach(vlc.EventType.MediaPlayerEndReached, self.end_callback)
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self.event_manager.event_attach(vlc.EventType.MediaPlayerEncounteredError, self.playback_error)
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log.debug("Bound media playback events.")
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def play(self, item):
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self.stopped = True
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if self.is_working == False:
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self.is_working = True
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if item.download_url == "":
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item.get_download_url()
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log.debug("playing {0}...".format(item.download_url,))
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self.stream_new = self.instance.media_new(item.download_url)
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self.player.set_media(self.stream_new)
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if self.player.play() == -1:
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log.debug("Error when playing the file {0}".format(item.title,))
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pub.sendMessage("change_status", status=_("Error playing {0}. {1}.").format(item.title, e.description))
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self.stopped = True
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self.is_working = False
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self.next()
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return
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self.player.audio_set_volume(self.vol)
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pub.sendMessage("change_status", status=_("Playing {0}.").format(item.title))
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self.stopped = False
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self.is_working = False
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def next(self):
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if len(self.queue) > 0:
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if self.shuffle:
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self.queue_pos = random.randint(0, len(self.queue)-1)
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else:
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if self.queue_pos < len(self.queue)-1:
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self.queue_pos += 1
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else:
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self.queue_pos = 0
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self.play(self.queue[self.queue_pos])
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def previous(self):
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if len(self.queue) > 0:
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if self.shuffle:
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self.queue_pos = random.randint(0, len(self.queue)-1)
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else:
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if self.queue_pos > 0:
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self.queue_pos -= 1
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else:
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self.queue_pos = len(self.queue)-1
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self.play(self.queue[self.queue_pos])
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def stop(self):
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self.player.stop()
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self.stopped = True
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def pause(self):
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self.player.pause()
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if self.stopped == True:
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self.stopped = False
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else:
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self.stopped = True
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@property
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def volume(self):
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return self.vol
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@volume.setter
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def volume(self, vol):
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if vol <= 100 and vol >= 0:
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config.app["main"]["volume"] = vol
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self.vol = vol
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self.player.audio_set_volume(self.vol)
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def play_all(self, list_of_items, playing=0, shuffle=False):
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if list_of_items != self.queue:
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self.queue = list_of_items
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self.shuffle = shuffle
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self.queue_pos = playing
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self.play(self.queue[self.queue_pos])
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def end_callback(self, event, *args, **kwargs):
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#https://github.com/ZeBobo5/Vlc.DotNet/issues/4
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call_threaded(self.next)
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def transcode_audio(self, item, path, _format="mp3", bitrate=320):
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""" Converts given item to mp3. This method will be available when needed automatically."""
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if item.download_url == "":
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item.get_download_url()
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log.debug("Download started: filename={0}, url={1}".format(path, item.download_url))
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temporary_filename = "chunk_{0}".format(random.randint(0,2000000))
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temporary_path = os.path.join(os.path.dirname(path), temporary_filename)
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# Let's get a new VLC instance for transcoding this file.
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transcoding_instance = vlc.Instance(*["--sout=#transcode{acodec=%s,ab=%d}:file{mux=raw,dst=\"%s\"}"% (_format, bitrate, temporary_path,)])
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transcoder = transcoding_instance.media_player_new()
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transcoder.set_mrl(item.download_url)
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pub.sendMessage("change_status", status=_(u"Downloading {0}.").format(item.title,))
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media = transcoder.get_media()
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transcoder.play()
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while True:
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state = media.get_state()
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pub.sendMessage("change_status", status=_("Downloading {0} ({1}%).").format(item.title, int(transcoder.get_position()*100)))
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if str(state) == 'State.Ended':
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break
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elif str(state) == 'state.error':
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os.remove(temporary_path)
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break
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transcoder.release()
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os.rename(temporary_path, path)
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log.debug("Download finished sucsessfully.")
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pub.sendMessage("download_finished", file=os.path.basename(path))
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def playback_error(self, event):
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pub.sendMessage("notify", title=_("Error"), message=_("There was an error while trying to access the file you have requested."))
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def __del__(self):
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self.event_manager.event_detach(vlc.EventType.MediaPlayerEndReached)
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self.event_manager.event_detach(vlc.EventType.MediaPlayerEncounteredError, self.playback_error) |