


"""simple docstring"""





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

   __UpperCAmelCase    				=      True
   __UpperCAmelCase    				=      ""
except Exception as e:
   __UpperCAmelCase    				=      False
   __UpperCAmelCase    				=      (
       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_  ( a_							,							a_						):
      __magic_name__     :							Optional[int]          =				"""mel_config.json"""







      @register_to_config
      def __init__(      self :							int		,  _lowercase :							int = 2_5_6		,  _lowercase :							int = 2_5_6		,  _lowercase :							int = 2_2_0_5_0		,  _lowercase :							int = 2_0_4_8		,  _lowercase :							int = 5_1_2		,  _lowercase :							int = 8_0		,  _lowercase :							int = 3_2		,  ):
        lowerCAmelCase__    :    Optional[int]								=					hop_length
        lowerCAmelCase__    :    List[str]								=					sample_rate
        lowerCAmelCase__    :    Optional[Any]								=					n_fft
        lowerCAmelCase__    :    List[Any]								=					top_db
        lowerCAmelCase__    :    Union[str, Any]								=					n_iter
        self.set_resolution(_lowercase		,  _lowercase    )
        lowerCAmelCase__    :    str								=					None

        if not _librosa_can_be_imported:
          raise ValueError(_import_error    )







      def 				_lowerCAmelCase       (      self :							int		,  _lowercase :							int		,  _lowercase :							int    ):
        lowerCAmelCase__    :    Optional[int]								=					x_res
        lowerCAmelCase__    :    int								=					y_res
        lowerCAmelCase__    :    Optional[Any]								=					self.y_res
        lowerCAmelCase__    :    Dict								=					self.x_res * self.hop_length - 1







      def 				_lowerCAmelCase       (      self :							str		,  _lowercase :							str = None		,  _lowercase :							np.ndarray = None    ):
        if audio_file is not None:
          lowerCAmelCase__				,		lowerCAmelCase__    :    int								=					librosa.load(_lowercase		,  mono=_lowercase		,  sr=self.sr    )
        else:
          lowerCAmelCase__    :    int								=					raw_audio

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







      def 				_lowerCAmelCase       (      self :							List[Any]    ):
        return len(self.audio    ) // self.slice_size







      def 				_lowerCAmelCase       (      self :							Dict		,  _lowercase :							int = 0    ):
        return self.audio[self.slice_size * slice : self.slice_size * (slice + 1)]







      def 				_lowerCAmelCase       (      self :							Union[str, Any]    ):
        return self.sr







      def 				_lowerCAmelCase       (      self :							Union[str, Any]		,  _lowercase :							int    ):
        lowerCAmelCase__    :    List[str]								=					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__    :    Optional[int]								=					librosa.power_to_db(_lowercase		,  ref=np.max		,  top_db=self.top_db    )
        lowerCAmelCase__    :    str								=					(((log_S + self.top_db) * 2_5_5 / self.top_db).clip(0		,  2_5_5    ) + 0.5).astype(np.uinta    )
        lowerCAmelCase__    :    int								=					Image.fromarray(_lowercase    )
        return image







      def 				_lowerCAmelCase       (      self :							Optional[int]		,  _lowercase :							Image.Image    ):
        lowerCAmelCase__    :    Optional[int]								=					np.frombuffer(image.tobytes()		,  dtype="uint8"    ).reshape((image.height, image.width)    )
        lowerCAmelCase__    :    Tuple								=					bytedata.astype("float"    ) * self.top_db / 2_5_5 - self.top_db
        lowerCAmelCase__    :    Union[str, Any]								=					librosa.db_to_power(_lowercase    )
        lowerCAmelCase__    :    str								=					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




"""simple docstring"""





from __future__ import annotations





def     lowercase__	(  lowerCamelCase     :  list				,	lowerCamelCase     :  list				)					->     list:
  lowerCAmelCase__    :    Dict								=					[None] * (len(lowerCamelCase				) + len(lowerCamelCase				))

  lowerCAmelCase__    :    Optional[Any]								=					0  # pointer to current index for left Half
  lowerCAmelCase__    :    Any								=					0  # pointer to current index for the right Half
  lowerCAmelCase__    :    Dict								=					0  # pointer to current index for the sorted array Half

  while pointera < len(lowerCamelCase				) and pointera < len(lowerCamelCase				):
    if left_half[pointera] < right_half[pointera]:
      lowerCAmelCase__    :    Tuple								=					left_half[pointera]
      pointera += 1
      index += 1
    else:
      lowerCAmelCase__    :    int								=					right_half[pointera]
      pointera += 1
      index += 1
  while pointera < len(lowerCamelCase				):
    lowerCAmelCase__    :    Tuple								=					left_half[pointera]
    pointera += 1
    index += 1

  while pointera < len(lowerCamelCase				):
    lowerCAmelCase__    :    Optional[int]								=					right_half[pointera]
    pointera += 1
    index += 1

  return sorted_array





def     lowercase__	(  lowerCamelCase     :  list				)					->     list:
  if len(lowerCamelCase				) <= 1:
    return array
  # the actual formula to calculate the middle element = left + (right - left) // 2
  # this avoids integer overflow in case of large N
  lowerCAmelCase__    :    Optional[int]								=					0 + (len(lowerCamelCase				) - 0) // 2

  # Split the array into halves till the array length becomes equal to One
  # merge the arrays of single length returned by mergeSort function and
  # pass them into the merge arrays function which merges the array
  lowerCAmelCase__    :    Union[str, Any]								=					array[:middle]
  lowerCAmelCase__    :    List[str]								=					array[middle:]

  return merge(merge_sort(lowerCamelCase				)				,	merge_sort(lowerCamelCase				)				)


if __name__ == "__main__":
   import doctest

   doctest.testmod()
