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backend_base.py
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backend_base.py
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import os
import ctypes
import log
class BaseWrapper:
def __init__(self) -> None:
self.lib: ctypes.CDLL = None # noqa
def wrap(self, func_name: str, args: tuple = (), res: any = ctypes.c_void_p) -> any:
try:
result = getattr(self.lib, func_name)
except AttributeError:
log.warn('Failed to import function', func_name)
return None
result.argtypes = args
result.restype = res
return result
class BaseMusic:
def __init__(self, fp: str) -> None:
self.fp = fp
self.fn = os.path.basename(fp)
self.fn_no_ext = os.path.splitext(self.fn)[0]
self.type = 'none'
self.paused = False
self.freq = 0.0
self.bits = 0.0
self.length = 0.0
self.pitch = 1.0
def play(self) -> None:
pass
def stop(self) -> None:
pass
def set_paused(self, paused: bool) -> None:
pass
def is_playing(self) -> bool:
pass
def set_volume(self, volume: float = 1.0) -> None:
pass
def set_speed(self, speed: float = 1.0) -> None:
pass
def set_pos(self, pos: float) -> None:
pass
def get_pos(self) -> float:
pass
def destroy(self) -> None:
pass
class BaseBackend:
def __init__(self) -> None:
self.title = 'Base'
def init(self) -> None:
pass
def open_music(self, fp: str) -> BaseMusic:
pass
def quit(self) -> None:
pass
def destroy(self) -> None:
pass
def get_audio_devices_names(self) -> list:
pass
def get_current_audio_device_name(self) -> str:
pass
def get_audio_drivers(self) -> list:
pass
def get_current_audio_driver(self) -> str:
pass
def update(self) -> None:
pass
def rewind(self) -> None:
pass