990 lines
36 KiB
Python
990 lines
36 KiB
Python
"""
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BAPSicle Server
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Next-gen audio playout server for University Radio York playout,
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based on WebStudio interface.
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Audio Player
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Authors:
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Matthew Stratford
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Michael Grace
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Date:
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October, November 2020
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"""
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# This is the player. Reliability is critical here, so we're catching
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# literally every exception possible and handling it.
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# It is key that whenever the parent server tells us to do something
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# that we respond with something, FAIL or OKAY. The server doesn't like to be kept waiting.
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# Stop the Pygame Hello message.
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import os
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os.environ["PYGAME_HIDE_SUPPORT_PROMPT"] = "hide"
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from queue import Empty
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import multiprocessing
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import setproctitle
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import copy
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import json
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import time
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from typing import Any, Callable, Dict, List, Optional
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from pygame import mixer
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from mutagen.mp3 import MP3
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from syncer import sync
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from threading import Timer
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from helpers.myradio_api import MyRadioAPI
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from helpers.state_manager import StateManager
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from helpers.logging_manager import LoggingManager
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from baps_types.plan import PlanItem
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from baps_types.marker import Marker
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# TODO ENUM
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VALID_MESSAGE_SOURCES = ["WEBSOCKET", "UI", "CONTROLLER", "TEST", "ALL"]
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TRACKLISTING_DELAYED_S = 20
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class Player:
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out_q: multiprocessing.Queue
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last_msg: str
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last_msg_source: str
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last_time_update = None
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state: StateManager
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logger: LoggingManager
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api: MyRadioAPI
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running: bool = False
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stopped_manually: bool = False
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tracklist_start_timer: Optional[Timer] = None
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tracklist_end_timer: Optional[Timer] = None
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__default_state = {
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"initialised": False,
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"loaded_item": None,
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"channel": -1,
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"playing": False,
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"paused": False,
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"loaded": False,
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"pos": 0,
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"pos_offset": 0,
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"pos_true": 0,
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"remaining": 0,
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"length": 0,
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"auto_advance": True,
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"repeat": "none", # none, one or all
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"play_on_load": False,
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"output": None,
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"show_plan": [],
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"tracklist_mode": "off",
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"tracklist_id": None,
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}
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__rate_limited_params = ["pos", "pos_offset", "pos_true", "remaining"]
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@property
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def isInit(self):
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try:
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mixer.music.get_busy()
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except Exception:
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return False
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return True
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@property
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def isPlaying(self) -> bool:
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if self.isInit:
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return (not self.isPaused) and bool(mixer.music.get_busy())
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return False
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@property
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def isPaused(self) -> bool:
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return self.state.get()["paused"]
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@property
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def isLoaded(self):
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return self._isLoaded()
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def _isLoaded(self, short_test: bool = False):
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if not self.state.get()["loaded_item"]:
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return False
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if self.isPlaying:
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return True
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# If we don't want to do any testing if it's really loaded, fine.
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if short_test:
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return True
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# Because Pygame/SDL is annoying
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# We're not playing now, so we can quickly test run
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# If that works, we're loaded.
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try:
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mixer.music.set_volume(0)
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mixer.music.play(0)
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except Exception:
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try:
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mixer.music.set_volume(1)
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except Exception:
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self.logger.log.exception(
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"Failed to reset volume after attempting loaded test."
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)
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pass
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return False
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finally:
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mixer.music.stop()
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mixer.music.set_volume(1)
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return True
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@property
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def isCued(self):
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# Don't mess with playback, we only care about if it's supposed to be loaded.
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if not self._isLoaded(short_test=True):
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return False
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return (self.state.get()["pos_true"] == self.state.get()["loaded_item"].cue and not self.isPlaying)
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@property
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def status(self):
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state = copy.copy(self.state.state)
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# Not the biggest fan of this, but maybe I'll get a better solution for this later
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state["loaded_item"] = (
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state["loaded_item"].__dict__ if state["loaded_item"] else None
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)
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state["show_plan"] = [repr.__dict__ for repr in state["show_plan"]]
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res = json.dumps(state)
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return res
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# Audio Playout Related Methods
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def play(self, pos: float = 0):
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if not self.isLoaded:
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return
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self.logger.log.info("Playing from pos: " + str(pos))
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try:
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mixer.music.play(0, pos)
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self.state.update("pos_offset", pos)
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except Exception:
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self.logger.log.exception("Failed to play at pos: " + str(pos))
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return False
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self.state.update("paused", False)
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self._potentially_tracklist()
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self.stopped_manually = False
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return True
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def pause(self):
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try:
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mixer.music.stop()
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except Exception:
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self.logger.log.exception("Failed to pause.")
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return False
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self.stopped_manually = True
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self.state.update("paused", True)
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return True
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def unpause(self):
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if not self.isPlaying:
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state = self.state.get()
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position: float = state["pos_true"]
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try:
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self.play(position)
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except Exception:
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self.logger.log.exception(
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"Failed to unpause from pos: " + str(position)
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)
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return False
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self.state.update("paused", False)
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# Increment Played count
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loaded_item = state["loaded_item"]
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if loaded_item:
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loaded_item.play_count_increment()
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self.state.update("loaded_item", loaded_item)
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return True
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return False
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def stop(self, user_initiated: bool = False):
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try:
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mixer.music.stop()
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except Exception:
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self.logger.log.exception("Failed to stop playing.")
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return False
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self.state.update("paused", False)
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if user_initiated:
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self._potentially_end_tracklist()
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self.stopped_manually = True
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if not self.state.get()["loaded_item"]:
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self.logger.log.warning("Tried to stop without a loaded item.")
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return True
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# This lets users toggle (using the stop button) between cue point and 0.
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if user_initiated and not self.isCued:
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# if there's a cue point ant we're not at it, go there.
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self.seek(self.state.get()["loaded_item"].cue)
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else:
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# Otherwise, let's go to 0.
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self.seek(0)
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return True
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def seek(self, pos: float) -> bool:
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self.logger.log.info("Seeking to pos:" + str(pos))
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if self.isPlaying:
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try:
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self.play(pos)
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except Exception:
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self.logger.log.exception("Failed to seek to pos: " + str(pos))
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return False
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return True
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else:
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self.logger.log.debug("Not playing during seek, setting pos state for next play.")
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self.stopped_manually = True # Don't trigger _ended() on seeking.
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if pos > 0:
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self.state.update("paused", True)
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self._updateState(pos=pos)
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return True
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def set_auto_advance(self, message: bool) -> bool:
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self.state.update("auto_advance", message)
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return True
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def set_repeat(self, message: str) -> bool:
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if message in ["all", "one", "none"]:
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self.state.update("repeat", message)
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return True
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else:
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return False
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def set_play_on_load(self, message: bool) -> bool:
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self.state.update("play_on_load", message)
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return True
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# Show Plan Related Methods
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def get_plan(self, message: int):
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plan = sync(self.api.get_showplan(message))
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self.clear_channel_plan()
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channel = self.state.get()["channel"]
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self.logger.log.debug(plan)
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if not isinstance(plan, dict):
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return False
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if str(channel) in plan.keys():
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for plan_item in plan[str(channel)]:
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try:
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self.add_to_plan(plan_item)
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except Exception as e:
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self.logger.log.critical(
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"Failed to add item to show plan: {}".format(e)
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)
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continue
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return True
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def _check_ghosts(self, item: PlanItem):
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if isinstance(item.timeslotitemid, str) and item.timeslotitemid.startswith("I"):
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# Kinda a bodge for the moment, each "Ghost" (item which is not saved in the database showplan yet) needs to have a unique temporary item.
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# To do this, we'll start with the channel number the item was originally added to (to stop items somehow simultaneously added to different channels from having the same id)
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# And chuck in the unix epoch in ns for good measure.
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item.timeslotitemid = "GHOST-{}-{}".format(self.state.get()["channel"], time.time_ns())
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return item
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# TODO Allow just moving an item inside the channel instead of removing and adding.
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def add_to_plan(self, new_item: Dict[str, Any]) -> bool:
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new_item_obj = PlanItem(new_item)
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new_item_obj = self._check_ghosts(new_item_obj)
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plan_copy: List[PlanItem] = copy.copy(self.state.get()["show_plan"])
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# Shift any plan items after the new position down one to make space.
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for item in plan_copy:
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if item.weight >= new_item_obj.weight:
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item.weight += 1
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plan_copy += [new_item_obj] # Add the new item.
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plan_copy = self._fix_weights(plan_copy)
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self.state.update("show_plan", plan_copy)
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loaded_item = self.state.get()["loaded_item"]
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if loaded_item:
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# If we added the loaded item back into this channel, update it's weight
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# So we know how/not to autoadvance.
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if loaded_item.timeslotitemid == new_item_obj.timeslotitemid:
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loaded_item.weight = new_item_obj.weight
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# Bump the loaded_item's weight if we just added a new item above it.
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elif loaded_item.weight >= new_item_obj.weight:
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loaded_item.weight += 1
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# Else, new weight stays the same.
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else:
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return True
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self.state.update("loaded_item", loaded_item)
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return True
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def remove_from_plan(self, weight: int) -> bool:
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plan_copy: List[PlanItem] = copy.copy(self.state.get()["show_plan"])
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found = False
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for i in plan_copy:
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if i.weight == weight:
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plan_copy.remove(i)
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found = True
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if found:
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plan_copy = self._fix_weights(plan_copy)
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self.state.update("show_plan", plan_copy)
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# If we removed the loaded item from this channel, update it's weight
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# So we know how/not to autoadvance.
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loaded_item = self.state.get()["loaded_item"]
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if loaded_item:
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# We're removing the loaded item form the channel.
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if loaded_item.weight == weight:
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loaded_item.weight = -1
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# We removed an item above it. Shift it up.
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elif loaded_item.weight > weight:
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loaded_item.weight -= 1
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# Else, new weight stays the same.
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else:
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return True
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self.state.update("loaded_item", loaded_item)
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return True
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return False
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def clear_channel_plan(self) -> bool:
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self.state.update("show_plan", [])
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return True
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def load(self, weight: int):
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if not self.isPlaying:
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self.unload()
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showplan = self.state.get()["show_plan"]
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loaded_item: Optional[PlanItem] = None
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for i in range(len(showplan)):
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if showplan[i].weight == weight:
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loaded_item = showplan[i]
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break
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if loaded_item is None:
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self.logger.log.error(
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"Failed to find weight: {}".format(weight))
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return False
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reload = False
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if loaded_item.filename == "" or loaded_item.filename is None:
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self.logger.log.info(
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"Filename is not specified, loading from API.")
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reload = True
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elif not os.path.exists(loaded_item.filename):
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self.logger.log.warn(
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"Filename given doesn't exist. Re-loading from API."
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)
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reload = True
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if reload:
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loaded_item.filename = sync(self.api.get_filename(item=loaded_item))
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if not loaded_item.filename:
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return False
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self.state.update("loaded_item", loaded_item)
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for i in range(len(showplan)):
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if showplan[i].weight == weight:
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self.state.update("show_plan", index=i, value=loaded_item)
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break
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# TODO: Update the show plan filenames???
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load_attempt = 0
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while load_attempt < 5:
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load_attempt += 1
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try:
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self.logger.log.info("Loading file: " +
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str(loaded_item.filename))
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mixer.music.load(loaded_item.filename)
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except Exception:
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# We couldn't load that file.
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self.logger.log.exception(
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"Couldn't load file: " + str(loaded_item.filename)
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)
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time.sleep(1)
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continue # Try loading again.
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if not self.isLoaded:
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self.logger.log.error("Pygame loaded file without error, but never actually loaded.")
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time.sleep(1)
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continue # Try loading again.
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try:
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if ".mp3" in loaded_item.filename:
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song = MP3(loaded_item.filename)
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self.state.update("length", song.info.length)
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else:
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self.state.update(
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"length", mixer.Sound(
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loaded_item.filename).get_length() / 1000
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)
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except Exception:
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self.logger.log.exception(
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"Failed to update the length of item.")
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time.sleep(1)
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continue # Try loading again.
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# Everything worked, we made it!
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if loaded_item.cue > 0:
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self.seek(loaded_item.cue)
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else:
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self.seek(0)
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if self.state.get()["play_on_load"]:
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self.unpause()
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return True
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self.logger.log.error("Failed to load track after numerous retries.")
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return False
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return False
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def unload(self):
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if not self.isPlaying:
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try:
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mixer.music.unload()
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self.state.update("paused", False)
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self.state.update("loaded_item", None)
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except Exception:
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self.logger.log.exception("Failed to unload channel.")
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return False
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self._potentially_end_tracklist()
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# If we unloaded successfully, reset the tracklist_id, ready for the next item.
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if not self.isLoaded:
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self.state.update("tracklist_id", None)
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return not self.isLoaded
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def quit(self):
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try:
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mixer.quit()
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self.state.update("paused", False)
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self.logger.log.info("Quit mixer.")
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except Exception:
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self.logger.log.exception("Failed to quit mixer.")
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def output(self, name: Optional[str] = None):
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wasPlaying = self.state.get()["playing"]
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oldPos = self.state.get()["pos_true"]
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name = None if (not name or name.lower() == "none") else name
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self.quit()
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self.state.update("output", name)
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try:
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if name:
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mixer.init(44100, -16, 2, 1024, devicename=name)
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else:
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mixer.init(44100, -16, 2, 1024)
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except Exception:
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self.logger.log.exception(
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"Failed to init mixer with device name: " + str(name)
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)
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return False
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loadedItem = self.state.get()["loaded_item"]
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if loadedItem:
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self.logger.log.info("Reloading after output change.")
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self.load(loadedItem.weight)
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if wasPlaying:
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self.logger.log.info("Resuming playback after output change.")
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self.play(oldPos)
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return True
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# Timeslotitemid can be a ghost (un-submitted item), so may be "IXXX"
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def set_marker(self, timeslotitemid: str, marker_str: str):
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set_loaded = False
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success = True
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try:
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marker = Marker(marker_str)
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except Exception as e:
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self.logger.log.error("Failed to create Marker instance with {} {}: {}".format(timeslotitemid, marker_str, e))
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return False
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if timeslotitemid == "-1":
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set_loaded = True
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if not self.isLoaded:
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return False
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timeslotitemid = self.state.get()["loaded_item"].timeslotitemid
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elif self.isLoaded and self.state.get()["loaded_item"].timeslotitemid == timeslotitemid:
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set_loaded = True
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plan_copy: List[PlanItem] = copy.copy(self.state.get()["show_plan"])
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for i in range(len(self.state.get()["show_plan"])):
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item = plan_copy[i]
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if str(item.timeslotitemid) == str(timeslotitemid):
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try:
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new_item = item.set_marker(marker)
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self.state.update("show_plan", new_item, index=i)
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except Exception as e:
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self.logger.log.error(
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"Failed to set marker on item {}: {} with marker \n{}".format(timeslotitemid, e, marker))
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success = False
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if set_loaded:
|
|
try:
|
|
self.state.update("loaded_item", self.state.get()["loaded_item"].set_marker(marker))
|
|
except Exception as e:
|
|
self.logger.log.error(
|
|
"Failed to set marker on loaded_item {}: {} with marker \n{}".format(timeslotitemid, e, marker))
|
|
success = False
|
|
|
|
return success
|
|
|
|
def reset_played(self, weight: int):
|
|
plan: List[PlanItem] = self.state.get()["show_plan"]
|
|
if weight == -1:
|
|
for item in plan:
|
|
item.play_count_reset()
|
|
self.state.update("show_plan", plan)
|
|
elif len(plan) > weight:
|
|
plan[weight].play_count_reset()
|
|
self.state.update("show_plan", plan[weight], weight)
|
|
else:
|
|
return False
|
|
return True
|
|
|
|
|
|
# Helper functions
|
|
|
|
# This essentially allows the tracklist end API call to happen in a separate thread, to avoid hanging playout/loading.
|
|
def _potentially_tracklist(self):
|
|
mode = self.state.get()["tracklist_mode"]
|
|
|
|
time: int = -1
|
|
if mode == "on":
|
|
time = 1 # Let's do it pretty quickly.
|
|
elif mode == "delayed":
|
|
# Let's do it in a bit, once we're sure it's been playing. (Useful if we've got no idea if it's live or cueing.)
|
|
time = TRACKLISTING_DELAYED_S
|
|
|
|
if time >= 0 and not self.tracklist_start_timer:
|
|
self.logger.log.info("Setting timer for tracklisting in {} secs due to Mode: {}".format(time, mode))
|
|
self.tracklist_start_timer = Timer(time, self._tracklist_start)
|
|
self.tracklist_start_timer.start()
|
|
elif self.tracklist_start_timer:
|
|
self.logger.log.error("Failed to potentially tracklist, timer already busy.")
|
|
|
|
# This essentially allows the tracklist end API call to happen in a separate thread, to avoid hanging playout/loading.
|
|
def _potentially_end_tracklist(self):
|
|
|
|
if self.tracklist_start_timer:
|
|
self.logger.log.info("A tracklist start timer was running, cancelling.")
|
|
self.tracklist_start_timer.cancel()
|
|
self.tracklist_start_timer = None
|
|
|
|
# Decrement Played count on track we didn't play much of.
|
|
state = self.state.get()
|
|
loaded_item = state["loaded_item"]
|
|
if loaded_item and loaded_item.type == "central":
|
|
loaded_item.play_count_decrement()
|
|
self.state.update("loaded_item", loaded_item)
|
|
|
|
# Make a copy of the tracklist_id, it will get reset as we load the next item.
|
|
tracklist_id = self.state.get()["tracklist_id"]
|
|
if not tracklist_id:
|
|
self.logger.log.info("No tracklist to end.")
|
|
return
|
|
|
|
self.logger.log.info("Setting timer for ending tracklist_id {}".format(tracklist_id))
|
|
if tracklist_id:
|
|
self.logger.log.info("Attempting to end tracklist_id {}".format(tracklist_id))
|
|
if self.tracklist_end_timer:
|
|
self.logger.log.error("Failed to potentially end tracklist, timer already busy.")
|
|
return
|
|
# This threads it, so it won't hang track loading if it fails.
|
|
self.tracklist_end_timer = Timer(1, self._tracklist_end, [tracklist_id])
|
|
self.tracklist_end_timer.start()
|
|
else:
|
|
self.logger.log.warning("Failed to potentially end tracklist, no tracklist started.")
|
|
|
|
def _tracklist_start(self):
|
|
loaded_item = self.state.get()["loaded_item"]
|
|
if not loaded_item:
|
|
self.logger.log.error("Tried to call _tracklist_start() with no loaded item!")
|
|
return
|
|
|
|
tracklist_id = self.state.get()["tracklist_id"]
|
|
if (not tracklist_id):
|
|
self.logger.log.info("Tracklisting item: {}".format(loaded_item.name))
|
|
tracklist_id = self.api.post_tracklist_start(loaded_item)
|
|
if not tracklist_id:
|
|
self.logger.log.warning("Failed to tracklist {}".format(loaded_item.name))
|
|
else:
|
|
self.logger.log.info("Tracklist id: {}".format(tracklist_id))
|
|
self.state.update("tracklist_id", tracklist_id)
|
|
else:
|
|
self.logger.log.info("Not tracklisting item {}, already got tracklistid: {}".format(
|
|
loaded_item.name, tracklist_id))
|
|
|
|
self.tracklist_start_timer = None
|
|
|
|
def _tracklist_end(self, tracklist_id):
|
|
|
|
if tracklist_id:
|
|
self.logger.log.info("Attempting to end tracklist_id {}".format(tracklist_id))
|
|
self.api.post_tracklist_end(tracklist_id)
|
|
else:
|
|
self.logger.log.error("Tracklist_id to _tracklist_end() missing. Failed to end tracklist.")
|
|
|
|
self.tracklist_end_timer = None
|
|
|
|
def _ended(self):
|
|
self._potentially_end_tracklist()
|
|
|
|
state = self.state.get()
|
|
|
|
loaded_item = state["loaded_item"]
|
|
|
|
if not loaded_item:
|
|
return
|
|
|
|
# Track has ended
|
|
self.logger.log.info("Playback ended of {}, weight {}:".format(loaded_item.name, loaded_item.weight))
|
|
|
|
# Repeat 1
|
|
# TODO ENUM
|
|
if state["repeat"] == "one":
|
|
self.play()
|
|
return
|
|
|
|
# Auto Advance
|
|
if state["auto_advance"]:
|
|
|
|
# Check for loaded item in show plan.
|
|
# If it's been removed, weight will be -1.
|
|
# Just stop in this case.
|
|
if loaded_item.weight < 0:
|
|
self.logger.log.debug("Loaded item is no longer in channel (weight {}), not auto advancing.".format(loaded_item.weight))
|
|
else:
|
|
self.logger.log.debug("Found current loaded item in this channel show plan. Auto Advancing.")
|
|
|
|
# If there's another item after this one, load that.
|
|
if len(state["show_plan"]) > loaded_item.weight+1:
|
|
self.load(loaded_item.weight+1)
|
|
return
|
|
|
|
# Repeat All (Jump to top again)
|
|
# TODO ENUM
|
|
elif state["repeat"] == "all":
|
|
self.load(0) # Jump to the top.
|
|
return
|
|
|
|
# No automations, just stop playing.
|
|
self.stop()
|
|
self._retAll("STOPPED") # Tell clients that we've stopped playing.
|
|
|
|
def _updateState(self, pos: Optional[float] = None):
|
|
|
|
self.state.update("initialised", self.isInit)
|
|
if self.isInit:
|
|
if pos is not None:
|
|
# Seeking sets the position like this when not playing.
|
|
self.state.update("pos", pos) # Reset back to 0 if stopped.
|
|
self.state.update("pos_offset", 0)
|
|
elif self.isPlaying:
|
|
# This is the bit that makes the time actually progress during playback.
|
|
# Get one last update in, incase we're about to pause/stop it.
|
|
self.state.update("pos", max(0, mixer.music.get_pos() / 1000))
|
|
|
|
# If the state is changing from playing to not playing, and the user didn't stop it, the item must have ended.
|
|
if (
|
|
self.state.get()["playing"]
|
|
and not self.isPlaying
|
|
and not self.stopped_manually
|
|
):
|
|
self._ended()
|
|
|
|
self.state.update("playing", self.isPlaying)
|
|
self.state.update("loaded", self.isLoaded)
|
|
|
|
self.state.update(
|
|
"pos_true",
|
|
min(
|
|
self.state.get()["length"],
|
|
self.state.get()["pos"] + self.state.get()["pos_offset"],
|
|
),
|
|
)
|
|
|
|
self.state.update(
|
|
"remaining",
|
|
max(0, (self.state.get()["length"] -
|
|
self.state.get()["pos_true"])),
|
|
)
|
|
|
|
def _ping_times(self):
|
|
|
|
UPDATES_FREQ_SECS = 0.2
|
|
if (
|
|
self.last_time_update is None
|
|
or self.last_time_update + UPDATES_FREQ_SECS < time.time()
|
|
):
|
|
self.last_time_update = time.time()
|
|
self._retAll("POS:" + str(self.state.get()["pos_true"]))
|
|
|
|
def _retAll(self, msg):
|
|
if self.out_q:
|
|
self.out_q.put("ALL:" + msg)
|
|
|
|
def _retMsg(
|
|
self, msg: Any, okay_str: bool = False, custom_prefix: Optional[str] = None
|
|
):
|
|
# Make sure to add the message source back, so that it can be sent to the correct destination in the main server.
|
|
if custom_prefix:
|
|
response = custom_prefix
|
|
else:
|
|
response = "{}:{}:".format(self.last_msg_source, self.last_msg)
|
|
if msg is True:
|
|
response += "OKAY"
|
|
elif isinstance(msg, str):
|
|
if okay_str:
|
|
response += "OKAY:" + msg
|
|
else:
|
|
response += "FAIL:" + msg
|
|
else:
|
|
response += "FAIL"
|
|
|
|
if self.out_q:
|
|
if ("STATUS:" not in response):
|
|
# Don't fill logs with status pushes, it's a mess.
|
|
self.logger.log.debug(("Sending: {}".format(response)))
|
|
self.out_q.put(response)
|
|
else:
|
|
self.logger.log.exception("Message return Queue is missing!!!! Can't send message.")
|
|
|
|
def _send_status(self):
|
|
# TODO This is hacky
|
|
self._retMsg(str(self.status), okay_str=True,
|
|
custom_prefix="ALL:STATUS:")
|
|
|
|
def _fix_weights(self, plan):
|
|
def _sort_weight(e: PlanItem):
|
|
return e.weight
|
|
|
|
plan.sort(key=_sort_weight) # Sort into weighted order.
|
|
|
|
for i in range(len(plan)):
|
|
plan[i].weight = i # Recorrect the weights on the channel.
|
|
|
|
return plan
|
|
|
|
def __init__(
|
|
self, channel: int, in_q: multiprocessing.Queue, out_q: multiprocessing.Queue, server_state: StateManager
|
|
):
|
|
|
|
process_title = "Player: Channel " + str(channel)
|
|
setproctitle.setproctitle(process_title)
|
|
multiprocessing.current_process().name = process_title
|
|
|
|
self.running = True
|
|
self.out_q = out_q
|
|
|
|
self.logger = LoggingManager("Player" + str(channel))
|
|
|
|
self.api = MyRadioAPI(self.logger, server_state)
|
|
|
|
self.state = StateManager(
|
|
"Player" + str(channel),
|
|
self.logger,
|
|
self.__default_state,
|
|
self.__rate_limited_params,
|
|
)
|
|
|
|
self.state.add_callback(self._send_status)
|
|
|
|
self.state.update("channel", channel)
|
|
self.state.update("tracklist_mode", server_state.get()["tracklist_mode"])
|
|
|
|
# Just in case there's any weights somehow messed up, let's fix them.
|
|
plan_copy: List[PlanItem] = copy.copy(self.state.get()["show_plan"])
|
|
plan_copy = self._fix_weights(plan_copy)
|
|
self.state.update("show_plan", plan_copy)
|
|
|
|
loaded_state = copy.copy(self.state.state)
|
|
|
|
if loaded_state["output"]:
|
|
self.logger.log.info("Setting output to: " +
|
|
str(loaded_state["output"]))
|
|
self.output(loaded_state["output"])
|
|
else:
|
|
self.logger.log.info("Using default output device.")
|
|
self.output()
|
|
|
|
loaded_item = loaded_state["loaded_item"]
|
|
if loaded_item:
|
|
# No need to load on init, the output switch does this, as it would for regular output switching.
|
|
#self.load(loaded_item.weight)
|
|
|
|
# Load may jump to the cue point, as it would do on a regular load.
|
|
# If we were at a different state before, we have to override it now.
|
|
if loaded_state["pos_true"] != 0:
|
|
self.logger.log.info(
|
|
"Seeking to pos_true: " + str(loaded_state["pos_true"])
|
|
)
|
|
self.seek(loaded_state["pos_true"])
|
|
|
|
if loaded_state["playing"] is True:
|
|
self.logger.log.info("Resuming playback on init.")
|
|
self.unpause() # Use un-pause as we don't want to jump to a new position.
|
|
else:
|
|
self.logger.log.info("No file was previously loaded to resume.")
|
|
|
|
try:
|
|
while self.running:
|
|
time.sleep(0.02)
|
|
self._updateState()
|
|
self._ping_times()
|
|
try:
|
|
message = in_q.get_nowait()
|
|
source = message.split(":")[0]
|
|
if source not in VALID_MESSAGE_SOURCES:
|
|
self.last_msg_source = ""
|
|
self.last_msg = ""
|
|
self.logger.log.warn(
|
|
"Message from unknown sender source: {}".format(
|
|
source)
|
|
)
|
|
continue
|
|
|
|
self.last_msg_source = source
|
|
self.last_msg = message.split(":", 1)[1]
|
|
|
|
self.logger.log.debug(
|
|
"Recieved message from source {}: {}".format(
|
|
self.last_msg_source, self.last_msg
|
|
)
|
|
)
|
|
except Empty:
|
|
# The incomming message queue was empty,
|
|
# skip message processing
|
|
pass
|
|
else:
|
|
|
|
# We got a message.
|
|
|
|
# Output re-inits the mixer, so we can do this any time.
|
|
if self.last_msg.startswith("OUTPUT"):
|
|
split = self.last_msg.split(":")
|
|
self._retMsg(self.output(split[1]))
|
|
|
|
elif self.isInit:
|
|
message_types: Dict[
|
|
str, Callable[..., Any]
|
|
] = { # TODO Check Types
|
|
"STATUS": lambda: self._retMsg(self.status, True),
|
|
# Audio Playout
|
|
# Unpause, so we don't jump to 0, we play from the current pos.
|
|
"PLAY": lambda: self._retMsg(self.unpause()),
|
|
"PAUSE": lambda: self._retMsg(self.pause()),
|
|
"PLAYPAUSE": lambda: self._retMsg(self.unpause() if not self.isPlaying else self.pause()), # For the hardware controller.
|
|
"UNPAUSE": lambda: self._retMsg(self.unpause()),
|
|
"STOP": lambda: self._retMsg(self.stop(user_initiated=True)),
|
|
"SEEK": lambda: self._retMsg(
|
|
self.seek(float(self.last_msg.split(":")[1]))
|
|
),
|
|
"AUTOADVANCE": lambda: self._retMsg(
|
|
self.set_auto_advance(
|
|
(self.last_msg.split(":")[1] == "True")
|
|
)
|
|
),
|
|
"REPEAT": lambda: self._retMsg(
|
|
self.set_repeat(self.last_msg.split(":")[1])
|
|
),
|
|
"PLAYONLOAD": lambda: self._retMsg(
|
|
self.set_play_on_load(
|
|
(self.last_msg.split(":")[1] == "True")
|
|
)
|
|
),
|
|
# Show Plan Items
|
|
"GET_PLAN": lambda: self._retMsg(
|
|
self.get_plan(int(self.last_msg.split(":")[1]))
|
|
),
|
|
"LOAD": lambda: self._retMsg(
|
|
self.load(int(self.last_msg.split(":")[1]))
|
|
),
|
|
"LOADED?": lambda: self._retMsg(self.isLoaded),
|
|
"UNLOAD": lambda: self._retMsg(self.unload()),
|
|
"ADD": lambda: self._retMsg(
|
|
self.add_to_plan(
|
|
json.loads(
|
|
":".join(self.last_msg.split(":")[1:]))
|
|
)
|
|
),
|
|
"REMOVE": lambda: self._retMsg(
|
|
self.remove_from_plan(
|
|
int(self.last_msg.split(":")[1]))
|
|
),
|
|
"CLEAR": lambda: self._retMsg(self.clear_channel_plan()),
|
|
"SETMARKER": lambda: self._retMsg(self.set_marker(self.last_msg.split(":")[1], self.last_msg.split(":", 2)[2])),
|
|
"RESETPLAYED": lambda: self._retMsg(self.reset_played(int(self.last_msg.split(":")[1])))
|
|
}
|
|
|
|
message_type: str = self.last_msg.split(":")[0]
|
|
|
|
if message_type in message_types.keys():
|
|
message_types[message_type]()
|
|
|
|
elif self.last_msg == "QUIT":
|
|
self._retMsg(True)
|
|
self.running = False
|
|
continue
|
|
|
|
else:
|
|
self._retMsg("Unknown Command")
|
|
else:
|
|
|
|
if self.last_msg == "STATUS":
|
|
self._retMsg(self.status)
|
|
else:
|
|
self._retMsg(False)
|
|
|
|
# Catch the player being killed externally.
|
|
except KeyboardInterrupt:
|
|
self.logger.log.info("Received KeyboardInterupt")
|
|
except SystemExit:
|
|
self.logger.log.info("Received SystemExit")
|
|
except Exception as e:
|
|
self.logger.log.exception(
|
|
"Received unexpected Exception: {}".format(e))
|
|
|
|
self.logger.log.info("Quiting player " + str(channel))
|
|
self.quit()
|
|
self._retAll("QUIT")
|
|
del self.logger
|
|
os._exit(0)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
raise Exception(
|
|
"This BAPSicle Player is a subcomponenet, it will not run individually."
|
|
)
|