



'''simple docstring'''


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

import numpy as np






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     a_       		=F"""{sampling_rate}"""
     a_       		="1"
     a_       		="f32le"
     a_       		=[
         "ffmpeg",
         "-i",
         "pipe:0",
         "-ac",
         ac,
         "-ar",
         ar,
         "-f",
         format_for_conversion,
         "-hide_banner",
         "-loglevel",
         "quiet",
         "pipe:1",
     ]

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






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ,	lowercase__ = "f32le"       ,	):


     '''simple docstring'''







     a_       		=F"""{sampling_rate}"""
     a_       		="1"
     if format_for_conversion == "s16le":
          a_       		=2
     elif format_for_conversion == "f32le":
          a_       		=4
     else:
          raise ValueError(F"""Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"""       )

     a_       		=platform.system()
     if system == "Linux":
          a_       		="alsa"
          a_       		="default"
     elif system == "Darwin":
          a_       		="avfoundation"
          a_       		=":0"
     elif system == "Windows":
          a_       		="dshow"
          a_       		="default"

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






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ,	lowercase__ = None       ,	lowercase__ = None       ,	lowercase__ = "f32le"       ,	):


     '''simple docstring'''







     if stream_chunk_s is not None:
          a_       		=stream_chunk_s
     else:
          a_       		=chunk_length_s

     a_       		=ffmpeg_microphone(lowercase__       ,	lowercase__       ,	format_for_conversion=lowercase__       )
     if format_for_conversion == "s16le":
          a_       		=np.intaa
          a_       		=2
     elif format_for_conversion == "f32le":
          a_       		=np.floataa
          a_       		=4
     else:
          raise ValueError(F"""Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"""       )

     if stride_length_s is None:
          a_       		=chunk_length_s / 6
     a_       		=int(round(sampling_rate * chunk_length_s       )       ) * size_of_sample
     if isinstance(lowercase__       ,	(int, float)       ):
          a_       		=[stride_length_s, stride_length_s]

     a_       		=int(round(sampling_rate * stride_length_s[0]       )       ) * size_of_sample
     a_       		=int(round(sampling_rate * stride_length_s[1]       )       ) * size_of_sample
     a_       		=datetime.datetime.now()
     a_       		=datetime.timedelta(seconds=lowercase__       )
     for item in chunk_bytes_iter(lowercase__       ,	lowercase__       ,	stride=(stride_left, stride_right)       ,	stream=lowercase__       ):
          # Put everything back in numpy scale
          a_       		=np.frombuffer(item["raw"]       ,	dtype=lowercase__       )
          a_       		=(
              item["stride"][0] // size_of_sample,
              item["stride"][1] // size_of_sample,
          )
          a_       		=sampling_rate
          audio_time += delta
          if datetime.datetime.now() > audio_time + 1_0 * delta:
               # We're late !! SKIP
               continue
          yield item






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ,	lowercase__       ,	lowercase__ = False       ):


     '''simple docstring'''







     a_       		=B""
     a_		,						a_       		=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}"""       )
     a_       		=0
     for raw in iterator:
          acc += raw
          if stream and len(lowercase__       ) < chunk_len:
               a_       		=(_stride_left, 0)
               yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
          else:
               while len(lowercase__       ) >= chunk_len:
                    # We are flushing the accumulator
                    a_       		=(_stride_left, stride_right)
                    a_       		={"raw": acc[:chunk_len], "stride": stride}
                    if stream:
                         a_       		=False
                    yield item
                    a_       		=stride_left
                    a_       		=acc[chunk_len - stride_left - stride_right :]
    # Last chunk
     if len(lowercase__       ) > stride_left:
          a_       		={"raw": acc, "stride": (_stride_left, 0)}
          if stream:
               a_       		=False
          yield item






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     a_       		=2**2_4  # 16Mo
     try:
          with subprocess.Popen(lowercase__       ,	stdout=subprocess.PIPE       ,	bufsize=lowercase__       ) as ffmpeg_process:
               while True:
                    a_       		=ffmpeg_process.stdout.read(lowercase__       )
                    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'''


from __future__ import annotations






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     if b == 0:
          return (1, 0)
     ((a_)		,						(a_))       		=extended_euclid(lowercase__       ,	a % b       )
     a_       		=a // b
     return (y, x - k * y)






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ,	lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     ((a_)		,						(a_))       		=extended_euclid(lowercase__       ,	lowercase__       )
     a_       		=na * na
     a_       		=ra * x * na + ra * y * na
     return (n % m + m) % m






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     ((a_)		,						(a_))       		=extended_euclid(lowercase__       ,	lowercase__       )
     if b < 0:
          a_       		=(b % n + n) % n
     return b






def  UpperCAmelCase_       (		lowercase__       ,	lowercase__       ,	lowercase__       ,	lowercase__       ):


     '''simple docstring'''







     a_		,						a_       		=invert_modulo(lowercase__       ,	lowercase__       ), invert_modulo(lowercase__       ,	lowercase__       )
     a_       		=na * na
     a_       		=ra * x * na + ra * y * na
     return (n % m + m) % m


if __name__ == "__main__":
  from doctest import testmod

  testmod(name='''chinese_remainder_theorem''', verbose=True)
  testmod(name='''chinese_remainder_theorem2''', verbose=True)
  testmod(name='''invert_modulo''', verbose=True)
  testmod(name='''extended_euclid''', verbose=True)


