


from typing import List, Optional, Union

import numpy as np

from ...feature_extraction_sequence_utils import SequenceFeatureExtractor
from ...feature_extraction_utils import BatchFeature
from ...utils import PaddingStrategy, TensorType, logging


SCREAMING_SNAKE_CASE			: List[Any]				   =					logging.get_logger(__name__)






class _lowerCamelCase(		_a  ):
       lowercase_					:      List[Any]       					=     ["""input_values""", """padding_mask"""]
       def __init__(   self, lowerCamelCase = 1, lowerCamelCase = 2_40_00, lowerCamelCase = 0.0, lowerCamelCase = None, lowerCamelCase = None, **lowerCamelCase, )			->  Any:




           """simple docstring"""

           super().__init__(feature_size=lowerCamelCase, sampling_rate=lowerCamelCase, padding_value=lowerCamelCase, **lowerCamelCase)
           _lowercase			:				int 						=						chunk_length_s
           _lowercase			:				int 						=						overlap
       @property
       def      UpperCamelCase	(   self)			->  Optional[int]:




           """simple docstring"""

           if self.chunk_length_s is None:
               return None
           else:
               return int(self.chunk_length_s * self.sampling_rate)
       @property
       def      UpperCamelCase	(   self)			->  Optional[int]:




           """simple docstring"""

           if self.chunk_length_s is None or self.overlap is None:
               return None
           else:
               return max(1, int((1.0 - self.overlap) * self.chunk_length))




       def __call__(   self, lowerCamelCase, lowerCamelCase = None, lowerCamelCase = False, lowerCamelCase = None, lowerCamelCase = None, lowerCamelCase = None, )			->  BatchFeature:




           """simple docstring"""

           if sampling_rate is not None:
               if sampling_rate != self.sampling_rate:
                   raise ValueError(
                       F'''The model corresponding to this feature extractor: {self} was trained using a sampling rate of'''
                       F''' {self.sampling_rate}. Please make sure that the provided audio input was sampled with'''
                       F''' {self.sampling_rate} and not {sampling_rate}.''')
           else:
               logger.warning(
                   'It is strongly recommended to pass the `sampling_rate` argument to this function. '
                   'Failing to do so can result in silent errors that might be hard to debug.')

           if padding and truncation:
               raise ValueError('Both padding and truncation were set. Make sure you only set one.')
           elif padding is None:
               # by default let's pad the inputs
               _lowercase			:				Tuple 						=						True

           _lowercase			:				Tuple 						=						bool(
               isinstance(lowerCamelCase, (list, tuple)) and (isinstance(raw_audio[0], (np.ndarray, tuple, list))))

           if is_batched:
               _lowercase			:				Tuple 						=						[np.asarray(lowerCamelCase, dtype=np.floataa).T for audio in raw_audio]
           elif not is_batched and not isinstance(lowerCamelCase, np.ndarray):
               _lowercase			:				List[str] 						=						np.asarray(lowerCamelCase, dtype=np.floataa)
           elif isinstance(lowerCamelCase, np.ndarray) and raw_audio.dtype is np.dtype(np.floataa):
               _lowercase			:				Union[str, Any] 						=						raw_audio.astype(np.floataa)

           # always return batch
           if not is_batched:
               _lowercase			:				str 						=						[np.asarray(lowerCamelCase).T]

           # verify inputs are valid
           for idx, example in enumerate(lowerCamelCase):
               if example.ndim > 2:
                   raise ValueError(F'''Expected input shape (channels, length) but got shape {example.shape}''')
               if self.feature_size == 1 and example.ndim != 1:
                   raise ValueError(F'''Expected mono audio but example has {example.shape[-1]} channels''')
               if self.feature_size == 2 and example.shape[-1] != 2:
                   raise ValueError(F'''Expected stereo audio but example has {example.shape[-1]} channels''')

           _lowercase			:				str 						=						None
           _lowercase			:				Optional[int] 						=						BatchFeature({'input_values': raw_audio})
           if self.chunk_stride is not None and self.chunk_length is not None and max_length is None:
               if truncation:
                   _lowercase			:				str 						=						min(array.shape[0] for array in raw_audio)
                   _lowercase			:				Tuple 						=						int(np.floor(max_length / self.chunk_stride))
                   _lowercase			:				Union[str, Any] 						=						(nb_step - 1) * self.chunk_stride + self.chunk_length
               elif padding:
                   _lowercase			:				Dict 						=						max(array.shape[0] for array in raw_audio)
                   _lowercase			:				Optional[int] 						=						int(np.ceil(max_length / self.chunk_stride))
                   _lowercase			:				List[Any] 						=						(nb_step - 1) * self.chunk_stride + self.chunk_length
                   _lowercase			:				Tuple 						=						'max_length'
               else:
                   _lowercase			:				int 						=						input_values

        # normal padding on batch
           if padded_inputs is None:
               _lowercase			:				int 						=						self.pad(
                   lowerCamelCase, max_length=lowerCamelCase, truncation=lowerCamelCase, padding=lowerCamelCase, return_attention_mask=lowerCamelCase, )
               if padding:
                   _lowercase			:				Optional[Any] 						=						padded_inputs.pop('attention_mask')

           _lowercase			:				Union[str, Any] 						=						[]
           for example in padded_inputs.pop('input_values'):
               if self.feature_size == 1:
                   _lowercase			:				Tuple 						=						example[..., None]
               input_values.append(example.T)

           _lowercase			:				Union[str, Any] 						=						input_values
           if return_tensors is not None:
               _lowercase			:				str 						=						padded_inputs.convert_to_tensors(lowerCamelCase)

           return padded_inputs










"""simple docstring"""





from typing import Dict, List, Optional, Union

import numpy as np

from .feature_extraction_utils import BatchFeature, FeatureExtractionMixin
from .utils import PaddingStrategy, TensorType, is_tf_tensor, is_torch_tensor, logging, to_numpy


__lowerCamelCase							=  logging.get_logger(__name__)



class       __A		(   SCREAMING_SNAKE_CASE_			):

					def __init__(			self  :      Union[str, Any]     ,		__snake_case  :      int     ,		__snake_case  :      int     ,		__snake_case  :      float     ,		**__snake_case  :      Optional[Any]					)			->							str:
											__magic_name__:	Optional[Any]							=       feature_size
											__magic_name__:	List[Any]							=       sampling_rate
											__magic_name__:	Tuple							=       padding_value

											__magic_name__:	int							=       kwargs.pop("""padding_side"""     ,		"""right"""					)
											__magic_name__:	Optional[Any]							=       kwargs.pop("""return_attention_mask"""     ,		__snake_case					)

											super().__init__(**__snake_case					)

					def   lowerCamelCase__   (			self  :      Union[str, Any]     ,		__snake_case  :      Union[
					        BatchFeature,
					        List[BatchFeature],
					        Dict[str, BatchFeature],
					        Dict[str, List[BatchFeature]],
					        List[Dict[str, BatchFeature]],
					    ]     ,		__snake_case  :      Union[bool, str, PaddingStrategy] = True     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      bool = False     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      Optional[bool] = None     ,		__snake_case  :      Optional[Union[str, TensorType]] = None     ,		)			->							BatchFeature:
											# If we have a list of dicts, let's convert it in a dict of lists
											# We do this to allow using this method as a collate_fn function in PyTorch Dataloader
											if isinstance(__snake_case     ,		(list, tuple)					) and isinstance(processed_features[0]     ,		(dict, BatchFeature)					):
																	__magic_name__:	Union[str, Any]							=       {
																	    key: [example[key] for example in processed_features] for key in processed_features[0].keys()
																	}

											# The model's main input name, usually `input_values`, has be passed for padding
											if self.model_input_names[0] not in processed_features:
																	raise ValueError(
																	    """You should supply an instance of `transformers.BatchFeature` or list of `transformers.BatchFeature`"""
																	    F' to this method that includes {self.model_input_names[0]}, but you provided'
																	    F' {list(processed_features.keys()					)}'					)

											__magic_name__:	Any							=       processed_features[self.model_input_names[0]]
											__magic_name__:	Tuple							=       (
											    return_attention_mask if return_attention_mask is not None else self.return_attention_mask
											)

											if len(__snake_case					) == 0:
																	if return_attention_mask:
																							__magic_name__:	Optional[Any]							=       []
																	return processed_features

											# If we have PyTorch/TF tensors or lists as inputs, we cast them as Numpy arrays
											# and rebuild them afterwards if no return_tensors is specified
											# Note that we lose the specific device the tensor may be on for PyTorch

											__magic_name__:	Tuple							=       required_input[0]
											if isinstance(__snake_case     ,		(list, tuple)					):
																	# first_element might be an empty list/tuple in some edge cases so we grab the first non empty element.
																	__magic_name__:	str							=       0
																	while len(required_input[index]					) == 0:
																							index += 1
																	if index < len(__snake_case					):
																							__magic_name__:	Optional[int]							=       required_input[index][0]

											if return_tensors is None:
																	if is_tf_tensor(__snake_case					):
																							__magic_name__:	List[str]							=       """tf"""
																	elif is_torch_tensor(__snake_case					):
																							__magic_name__:	Any							=       """pt"""
																	elif isinstance(__snake_case     ,		(int, float, list, tuple, np.ndarray)					):
																							__magic_name__:	int							=       """np"""
																	else:
																							raise ValueError(
																							    F'type of {first_element} unknown: {type(__snake_case					)}. '
																							    """Should be one of a python, numpy, pytorch or tensorflow object."""					)

											for key, value in processed_features.items():
																	if isinstance(value[0]     ,		(int, float)					):
																							__magic_name__:	List[str]							=       to_numpy(__snake_case					)
																	else:
																							__magic_name__:	Any							=       [to_numpy(__snake_case					) for v in value]

        # Convert padding_strategy in PaddingStrategy
											__magic_name__:	str							=       self._get_padding_strategies(padding=__snake_case     ,		max_length=__snake_case					)

											__magic_name__:	str							=       processed_features[self.model_input_names[0]]

											__magic_name__:	str							=       len(__snake_case					)
											if not all(len(__snake_case					) == batch_size for v in processed_features.values()					):
																	raise ValueError("""Some items in the output dictionary have a different batch size than others."""					)

											__magic_name__:	List[Any]							=       []
											for i in range(__snake_case					):
																	__magic_name__:	List[Any]							=       {k: v[i] for k, v in processed_features.items()}
																	# truncation
																	__magic_name__:	List[Any]							=       self._truncate(
																	    __snake_case     ,		max_length=__snake_case     ,		pad_to_multiple_of=__snake_case     ,		truncation=__snake_case     ,		)
																	truncated_inputs.append(__snake_case					)

											if padding_strategy == PaddingStrategy.LONGEST:
																	# make sure that `max_length` cannot be longer than the longest truncated length
																	__magic_name__:	Union[str, Any]							=       max(len(input_slice[self.model_input_names[0]]					) for input_slice in truncated_inputs					)
																	__magic_name__:	Union[str, Any]							=       PaddingStrategy.MAX_LENGTH

											__magic_name__:	List[str]							=       {}
											for i in range(__snake_case					):
																	# padding
																	__magic_name__:	str							=       self._pad(
																	    truncated_inputs[i]     ,		max_length=__snake_case     ,		padding_strategy=__snake_case     ,		pad_to_multiple_of=__snake_case     ,		return_attention_mask=__snake_case     ,		)

																	for key, value in outputs.items():
																							if key not in batch_outputs:
																													__magic_name__:	Optional[Any]							=       []
																							if value.dtype is np.dtype(np.floataa					):
																													__magic_name__:	Any							=       value.astype(np.floataa					)
																							batch_outputs[key].append(__snake_case					)

											return BatchFeature(__snake_case     ,		tensor_type=__snake_case					)

					def   lowerCamelCase__   (			self  :      Tuple     ,		__snake_case  :      Union[Dict[str, np.ndarray], BatchFeature]     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      PaddingStrategy = PaddingStrategy.DO_NOT_PAD     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      Optional[bool] = None     ,		)			->							dict:
											__magic_name__:	List[str]							=       processed_features[self.model_input_names[0]]

											if padding_strategy == PaddingStrategy.LONGEST:
																	__magic_name__:	List[Any]							=       len(__snake_case					)

											if max_length is not None and pad_to_multiple_of is not None and (max_length % pad_to_multiple_of != 0):
																	__magic_name__:	List[str]							=       ((max_length // pad_to_multiple_of) + 1) * pad_to_multiple_of

											__magic_name__:	str							=       padding_strategy != PaddingStrategy.DO_NOT_PAD and len(__snake_case					) < max_length

											if return_attention_mask and "attention_mask" not in processed_features:
																	__magic_name__:	int							=       np.ones(len(__snake_case					)     ,		dtype=np.intaa					)

											if needs_to_be_padded:
																	__magic_name__:	str							=       max_length - len(__snake_case					)
																	if self.padding_side == "right":
																							if return_attention_mask:
																													__magic_name__:	List[Any]							=       np.pad(
																													    processed_features["""attention_mask"""]     ,		(0, difference)					)
																							__magic_name__:	Union[str, Any]							=       ((0, difference), (0, 0)) if self.feature_size > 1 else (0, difference)
																							__magic_name__:	int							=       np.pad(
																							    __snake_case     ,		__snake_case     ,		"""constant"""     ,		constant_values=self.padding_value					)
																	elif self.padding_side == "left":
																							if return_attention_mask:
																													__magic_name__:	Dict							=       np.pad(
																													    processed_features["""attention_mask"""]     ,		(difference, 0)					)
																							__magic_name__:	Optional[Any]							=       ((difference, 0), (0, 0)) if self.feature_size > 1 else (difference, 0)
																							__magic_name__:	int							=       np.pad(
																							    __snake_case     ,		__snake_case     ,		"""constant"""     ,		constant_values=self.padding_value					)
																	else:
																							raise ValueError("""Invalid padding strategy:""" + str(self.padding_side					)					)

											return processed_features

					def   lowerCamelCase__   (			self  :      Optional[Any]     ,		__snake_case  :      Union[Dict[str, np.ndarray], BatchFeature]     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      Optional[int] = None     ,		__snake_case  :      Optional[bool] = None     ,		)			->							int:
											if not truncation:
																	return processed_features
											elif truncation and max_length is None:
																	raise ValueError("""When setting ``truncation=True``, make sure that ``max_length`` is defined."""					)

											__magic_name__:	Dict							=       processed_features[self.model_input_names[0]]

											# find `max_length` that fits `pad_to_multiple_of`
											if max_length is not None and pad_to_multiple_of is not None and (max_length % pad_to_multiple_of != 0):
																	__magic_name__:	Optional[Any]							=       ((max_length // pad_to_multiple_of) + 1) * pad_to_multiple_of

											__magic_name__:	Tuple							=       len(__snake_case					) > max_length

											if needs_to_be_truncated:
																	__magic_name__:	Any							=       processed_features[self.model_input_names[0]][:max_length]
																	if "attention_mask" in processed_features:
																							__magic_name__:	List[Any]							=       processed_features["""attention_mask"""][:max_length]

											return processed_features






					def   lowerCamelCase__   (			self  :      List[Any]     ,		__snake_case  :      int=False     ,		__snake_case  :      Tuple=None					)			->							Optional[Any]:

											# Get padding strategy
											if padding is not False:
																	if padding is True:
																							__magic_name__:	Optional[Any]							=       PaddingStrategy.LONGEST  # Default to pad to the longest sequence in the batch
																	elif not isinstance(__snake_case     ,		__snake_case					):
																							__magic_name__:	Tuple							=       PaddingStrategy(__snake_case					)
																	elif isinstance(__snake_case     ,		__snake_case					):
																							__magic_name__:	Dict							=       padding
											else:
																	__magic_name__:	int							=       PaddingStrategy.DO_NOT_PAD

											# Set max length if needed
											if max_length is None:
																	if padding_strategy == PaddingStrategy.MAX_LENGTH:
																							raise ValueError(
																							    F'When setting ``padding={PaddingStrategy.MAX_LENGTH}``, make sure that max_length is defined'					)

        # Test if we have a padding value
											if padding_strategy != PaddingStrategy.DO_NOT_PAD and (self.padding_value is None):
																	raise ValueError(
																	    """Asking to pad but the feature_extractor does not have a padding value. Please select a value to use"""
																	    """ as `padding_value`. For example: `feature_extractor.padding_value = 0.0`."""					)

											return padding_strategy



