
'''simple docstring'''






import datetime
import platform
import subprocess
from typing import Optional, Tuple, Union

import numpy as np







def 		A_       (	_lowerCAmelCase   :    Optional[Any]				,	_lowerCAmelCase   :    Dict							):



      """simple docstring"""




      _lowerCamelCase				:   Any								=   F'{sampling_rate}'
      _lowerCamelCase				:   Dict								=   "1"
      _lowerCamelCase				:   Optional[Any]								=   "f32le"
      _lowerCamelCase				:   Union[str, Any]								=   [
          "ffmpeg",
          "-i",
          "pipe:0",
          "-ac",
          ac,
          "-ar",
          ar,
          "-f",
          format_for_conversion,
          "-hide_banner",
          "-loglevel",
          "quiet",
          "pipe:1",
      ]

      try:
            with subprocess.Popen(a__				,	stdin=subprocess.PIPE				,	stdout=subprocess.PIPE							) as ffmpeg_process:
                  _lowerCamelCase				:   Any								=   ffmpeg_process.communicate(a__							)
      except FileNotFoundError as error:
            raise ValueError("ffmpeg was not found but is required to load audio files from filename"							) from error
      _lowerCamelCase				:   List[Any]								=   output_stream[0]
      _lowerCamelCase				:   Optional[int]								=   np.frombuffer(a__				,	np.floataa							)
      if audio.shape[0] == 0:
            raise ValueError("Malformed soundfile"							)
      return audio







def 		A_       (	_lowerCAmelCase   :    Any				,	_lowerCAmelCase   :    List[str]				,	_lowerCAmelCase   :    Optional[Any] = "f32le"				,	):



      """simple docstring"""




      _lowerCamelCase				:   Dict								=   F'{sampling_rate}'
      _lowerCamelCase				:   Optional[Any]								=   "1"
      if format_for_conversion == "s16le":
            _lowerCamelCase				:   Tuple								=   2
      elif format_for_conversion == "f32le":
            _lowerCamelCase				:   List[Any]								=   4
      else:
            raise ValueError(F'Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`'							)

      _lowerCamelCase				:   Any								=   platform.system()
      if system == "Linux":
            _lowerCamelCase				:   Tuple								=   "alsa"
            _lowerCamelCase				:   Union[str, Any]								=   "default"
      elif system == "Darwin":
            _lowerCamelCase				:   int								=   "avfoundation"
            _lowerCamelCase				:   Optional[Any]								=   ":0"
      elif system == "Windows":
            _lowerCamelCase				:   List[Any]								=   "dshow"
            _lowerCamelCase				:   Dict								=   "default"

      _lowerCamelCase				:   Any								=   [
          "ffmpeg",
          "-f",
          format_,
          "-i",
          input_,
          "-ac",
          ac,
          "-ar",
          ar,
          "-f",
          format_for_conversion,
          "-fflags",
          "nobuffer",
          "-hide_banner",
          "-loglevel",
          "quiet",
          "pipe:1",
      ]
      _lowerCamelCase				:   List[Any]								=   int(round(sampling_rate * chunk_length_s							)							) * size_of_sample
      _lowerCamelCase				:   List[str]								=   _ffmpeg_stream(a__				,	a__							)
      for item in iterator:
            yield item







def 		A_       (	_lowerCAmelCase   :    Union[str, Any]				,	_lowerCAmelCase   :    Tuple				,	_lowerCAmelCase   :    str = None				,	_lowerCAmelCase   :    Dict = None				,	_lowerCAmelCase   :    int = "f32le"				,	):



      """simple docstring"""




      if stream_chunk_s is not None:
            _lowerCamelCase				:   Optional[Any]								=   stream_chunk_s
      else:
            _lowerCamelCase				:   List[Any]								=   chunk_length_s

      _lowerCamelCase				:   List[str]								=   ffmpeg_microphone(a__				,	a__				,	format_for_conversion=a__							)
      if format_for_conversion == "s16le":
            _lowerCamelCase				:   int								=   np.intaa
            _lowerCamelCase				:   Optional[int]								=   2
      elif format_for_conversion == "f32le":
            _lowerCamelCase				:   Union[str, Any]								=   np.floataa
            _lowerCamelCase				:   List[str]								=   4
      else:
            raise ValueError(F'Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`'							)

      if stride_length_s is None:
            _lowerCamelCase				:   Optional[int]								=   chunk_length_s / 6
      _lowerCamelCase				:   Optional[Any]								=   int(round(sampling_rate * chunk_length_s							)							) * size_of_sample
      if isinstance(a__				,	(int, float)							):
            _lowerCamelCase				:   Dict								=   [stride_length_s, stride_length_s]

      _lowerCamelCase				:   List[Any]								=   int(round(sampling_rate * stride_length_s[0]							)							) * size_of_sample
      _lowerCamelCase				:   Union[str, Any]								=   int(round(sampling_rate * stride_length_s[1]							)							) * size_of_sample
      _lowerCamelCase				:   List[Any]								=   datetime.datetime.now()
      _lowerCamelCase				:   str								=   datetime.timedelta(seconds=a__							)
      for item in chunk_bytes_iter(a__				,	a__				,	stride=(stride_left, stride_right)				,	stream=a__							):
            # Put everything back in numpy scale
            _lowerCamelCase				:   List[Any]								=   np.frombuffer(item["raw"]				,	dtype=a__							)
            _lowerCamelCase				:   Dict								=   (
                item["stride"][0] // size_of_sample,
                item["stride"][1] // size_of_sample,
            )
            _lowerCamelCase				:   int								=   sampling_rate
            audio_time += delta
            if datetime.datetime.now() > audio_time + 10 * delta:
                  # We're late !! SKIP
                  continue
            yield item







def 		A_       (	_lowerCAmelCase   :    Any				,	_lowerCAmelCase   :    str				,	_lowerCAmelCase   :    Optional[int]				,	_lowerCAmelCase   :    List[Any] = False							):



      """simple docstring"""




      _lowerCamelCase				:   Optional[Any]								=   B""
      _lowerCamelCase						,		_lowerCamelCase				:   str								=   stride
      if stride_left + stride_right >= chunk_len:
            raise ValueError(
                F'Stride needs to be strictly smaller than chunk_len: ({stride_left}, {stride_right}) vs {chunk_len}'							)
      _lowerCamelCase				:   Union[str, Any]								=   0
      for raw in iterator:
            acc += raw
            if stream and len(a__							) < chunk_len:
                  _lowerCamelCase				:   List[str]								=   (_stride_left, 0)
                  yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
            else:
                  while len(a__							) >= chunk_len:
                        # We are flushing the accumulator
                        _lowerCamelCase				:   Optional[Any]								=   (_stride_left, stride_right)
                        _lowerCamelCase				:   Dict								=   {"raw": acc[:chunk_len], "stride": stride}
                        if stream:
                              _lowerCamelCase				:   List[str]								=   False
                        yield item
                        _lowerCamelCase				:   List[str]								=   stride_left
                        _lowerCamelCase				:   Any								=   acc[chunk_len - stride_left - stride_right :]
    # Last chunk
      if len(a__							) > stride_left:
            _lowerCamelCase				:   Optional[int]								=   {"raw": acc, "stride": (_stride_left, 0)}
            if stream:
                  _lowerCamelCase				:   Optional[Any]								=   False
            yield item







def 		A_       (	_lowerCAmelCase   :    List[Any]				,	_lowerCAmelCase   :    int							):



      """simple docstring"""




      _lowerCamelCase				:   Optional[Any]								=   2**24  # 16Mo
      try:
            with subprocess.Popen(a__				,	stdout=subprocess.PIPE				,	bufsize=a__							) as ffmpeg_process:
                  while True:
                        _lowerCamelCase				:   int								=   ffmpeg_process.stdout.read(a__							)
                        if raw == b"":
                              break
                        yield raw
      except FileNotFoundError as error:
            raise ValueError("ffmpeg was not found but is required to stream audio files from filename"							) from error



'''simple docstring'''






def 		A_       (	_lowerCAmelCase   :    float							):



      """simple docstring"""




      return 10 - x * x







def 		A_       (	_lowerCAmelCase   :    float				,	_lowerCAmelCase   :    float							):



      """simple docstring"""




      if equation(_lowerCAmelCase							) * equation(_lowerCAmelCase							) >= 0:
            raise ValueError("Wrong space!"							)

      _lowerCamelCase				:   List[str]								=   a
      while (b - a) >= 0.0_1:
            # Find middle point
            _lowerCamelCase				:   Union[str, Any]								=   (a + b) / 2
            # Check if middle point is root
            if equation(_lowerCAmelCase							) == 0.0:
                  break
            # Decide the side to repeat the steps
            if equation(_lowerCAmelCase							) * equation(_lowerCAmelCase							) < 0:
                  _lowerCamelCase				:   Union[str, Any]								=   c
            else:
                  _lowerCamelCase				:   Any								=   c
      return c


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 print(bisection(-2, 5))
 print(bisection(0, 6))