




import numpy as np  # noqa: E402

from ...configuration_utils import ConfigMixin, register_to_config
from ...schedulers.scheduling_utils import SchedulerMixin


try:
	import librosa  # noqa: E402

	__A						:		Optional[int]          =						True
	__A						:		Optional[int]          =						""
except Exception as e:
	__A						:		Dict          =						False
	__A						:		Any          =						(
	    f"""Cannot import librosa because {e}. Make sure to correctly install librosa to be able to install it."""
	)


from PIL import Image  # noqa: E402

class 		lowercase_       (	lowerCAmelCase__						,							lowerCAmelCase__				):
					__UpperCamelCase     	= "mel_config.json"




					@register_to_config
					def __init__(   self:		List[str],     _lowercase:		int = 256,     _lowercase:		int = 256,     _lowercase:		int = 22050,     _lowercase:		int = 2048,     _lowercase:		int = 512,     _lowercase:		int = 80,     _lowercase:		int = 32,     ):


									'''simple docstring'''


									__lowerCAmelCase					=  hop_length
									__lowerCAmelCase					=  sample_rate
									__lowerCAmelCase					=  n_fft
									__lowerCAmelCase					=  top_db
									__lowerCAmelCase					=  n_iter
									self.set_resolution(_lowercase,     _lowercase)
									__lowerCAmelCase					=  None

									if not _librosa_can_be_imported:
													raise ValueError(_import_error)




					def     _lowercase						(   self:		Optional[int],     _lowercase:		int,     _lowercase:		int):


									'''simple docstring'''


									__lowerCAmelCase					=  x_res
									__lowerCAmelCase					=  y_res
									__lowerCAmelCase					=  self.y_res
									__lowerCAmelCase					=  self.x_res * self.hop_length - 1




					def     _lowercase						(   self:		Optional[int],     _lowercase:		str = None,     _lowercase:		np.ndarray = None):


									'''simple docstring'''


									if audio_file is not None:
													__lowerCAmelCase	,				__lowerCAmelCase					=  librosa.load(_lowercase,     mono=_lowercase,     sr=self.sr)
									else:
													__lowerCAmelCase					=  raw_audio

									# Pad with silence if necessary.
									if len(self.audio) < self.x_res * self.hop_length:
													__lowerCAmelCase					=  np.concatenate([self.audio, np.zeros((self.x_res * self.hop_length - len(self.audio),))])




					def     _lowercase						(   self:		int):


									'''simple docstring'''


									return len(self.audio) // self.slice_size




					def     _lowercase						(   self:		Optional[int],     _lowercase:		int = 0):


									'''simple docstring'''


									return self.audio[self.slice_size * slice : self.slice_size * (slice + 1)]




					def     _lowercase						(   self:		Optional[Any]):


									'''simple docstring'''


									return self.sr




					def     _lowercase						(   self:		Dict,     _lowercase:		int):


									'''simple docstring'''


									__lowerCAmelCase					=  librosa.feature.melspectrogram(
									    y=self.get_audio_slice(_lowercase),     sr=self.sr,     n_fft=self.n_fft,     hop_length=self.hop_length,     n_mels=self.n_mels)
									__lowerCAmelCase					=  librosa.power_to_db(_lowercase,     ref=np.max,     top_db=self.top_db)
									__lowerCAmelCase					=  (((log_S + self.top_db) * 255 / self.top_db).clip(0,     255) + 0.5).astype(np.uinta)
									__lowerCAmelCase					=  Image.fromarray(_lowercase)
									return image







					def     _lowercase						(   self:		Union[str, Any],     _lowercase:		Image.Image):


									'''simple docstring'''


									__lowerCAmelCase					=  np.frombuffer(image.tobytes(),     dtype="""uint8""").reshape((image.height, image.width))
									__lowerCAmelCase					=  bytedata.astype("""float""") * self.top_db / 255 - self.top_db
									__lowerCAmelCase					=  librosa.db_to_power(_lowercase)
									__lowerCAmelCase					=  librosa.feature.inverse.mel_to_audio(
									    _lowercase,     sr=self.sr,     n_fft=self.n_fft,     hop_length=self.hop_length,     n_iter=self.n_iter)
									return audio







from __future__ import annotations

from collections.abc import Iterable
from dataclasses import dataclass
from typing import Any

class 		__magic_name__				:


  """simple docstring"""





  _UpperCamelCase						 = ("_front", "_back", "_len")

  @dataclass
  class 		__magic_name__				:


    """simple docstring"""





    _UpperCamelCase						 = None
    _UpperCamelCase						 = None
    _UpperCamelCase						 = None







  class 		__magic_name__				:


    """simple docstring"""





    _UpperCamelCase						 = ("_cur",)


    def __init__(					self	,		a__		):
      _lowerCamelCase      =						cur


    def __iter__(					self		):
      return self


    def     _UpperCAmelCase  (					self		):
      if self._cur is None:
        # finished iterating
        raise StopIteration
      _lowerCamelCase      =						self._cur.val
      _lowerCamelCase      =						self._cur.next_node

      return val







  def __init__(					self	,		a__ = None		):
    _lowerCamelCase      =						None
    _lowerCamelCase      =						None
    _lowerCamelCase      =						0

    if iterable is not None:
      # append every value to the deque
      for val in iterable:
        self.append(a__		)


  def     _UpperCAmelCase  (					self	,		a__		):
    _lowerCamelCase      =						self._Node(a__	,		a__	,		a__		)
    if self.is_empty():
      # front = back
      _lowerCamelCase      =						_lowerCamelCase      =						node
      _lowerCamelCase      =						1
    else:
      # connect nodes
      _lowerCamelCase      =						node
      _lowerCamelCase      =						self._back
      _lowerCamelCase      =						node  # assign new back to the new node

      self._len += 1

      # make sure there were no errors
      assert not self.is_empty(), "Error on appending value."


  def     _UpperCAmelCase  (					self	,		a__		):
    _lowerCamelCase      =						self._Node(a__	,		a__	,		a__		)
    if self.is_empty():
      # front = back
      _lowerCamelCase      =						_lowerCamelCase      =						node
      _lowerCamelCase      =						1
    else:
      # connect nodes
      _lowerCamelCase      =						self._front
      _lowerCamelCase      =						node
      _lowerCamelCase      =						node  # assign new front to the new node

      self._len += 1

      # make sure there were no errors
      assert not self.is_empty(), "Error on appending value."


  def     _UpperCAmelCase  (					self	,		a__		):
    for val in iterable:
      self.append(a__		)


  def     _UpperCAmelCase  (					self	,		a__		):
    for val in iterable:
      self.appendleft(a__		)


  def     _UpperCAmelCase  (					self		):
    assert not self.is_empty(), "Deque is empty."

    _lowerCamelCase      =						self._back
    _lowerCamelCase      =						self._back.prev_node  # set new back
    # drop the last node - python will deallocate memory automatically
    _lowerCamelCase      =						None

    self._len -= 1

    return topop.val


  def     _UpperCAmelCase  (					self		):
    assert not self.is_empty(), "Deque is empty."

    _lowerCamelCase      =						self._front
    _lowerCamelCase      =						self._front.next_node  # set new front and drop the first node
    _lowerCamelCase      =						None

    self._len -= 1

    return topop.val


  def     _UpperCAmelCase  (					self		):
    return self._front is None


  def __len__(					self		):
    return self._len


  def __eq__(					self	,		a__		):

    if not isinstance(a__	,		a__		):
      return NotImplemented

    _lowerCamelCase      =						self._front
    _lowerCamelCase      =						other._front

    # if the length of the dequeues are not the same, they are not equal
    if len(self		) != len(a__		):
      return False

    while me is not None and oth is not None:
      # compare every value
      if me.val != oth.val:
        return False
      _lowerCamelCase      =						me.next_node
      _lowerCamelCase      =						oth.next_node

    return True


  def __iter__(					self		):
    return Deque._Iterator(self._front		)


  def __repr__(					self		):
    _lowerCamelCase      =						[]
    _lowerCamelCase      =						self._front
    while aux is not None:
      # append the values in a list to display
      values_list.append(aux.val		)
      _lowerCamelCase      =						aux.next_node

    return f'''[{', '.join(repr(a__		) for val in values_list		)}]'''


if __name__ == "__main__":
  import doctest

  doctest.testmod()




