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

import numpy as np







def     _a				(      lowercase__  :			bytes     ,  lowercase__  :			int ):







					'''simple docstring'''


					SCREAMING_SNAKE_CASE__				:				List[Any]			=		f'''{sampling_rate}'''
					SCREAMING_SNAKE_CASE__				:				Optional[int]			=		'1'
					SCREAMING_SNAKE_CASE__				:				int			=		'f32le'
					SCREAMING_SNAKE_CASE__				:				int			=		[
					    '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:
															SCREAMING_SNAKE_CASE__				:				Dict			=		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
					SCREAMING_SNAKE_CASE__				:				Tuple			=		output_stream[0]
					SCREAMING_SNAKE_CASE__				:				Any			=		np.frombuffer(lowercase__     ,  np.floataa )
					if audio.shape[0] == 0:
										raise ValueError('Malformed soundfile' )
					return audio







def     _a				(      lowercase__  :			int     ,  lowercase__  :			float     ,  lowercase__  :			str = "f32le"     ,  ):







					'''simple docstring'''


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

					SCREAMING_SNAKE_CASE__				:				List[str]			=		platform.system()
					if system == "Linux":
										SCREAMING_SNAKE_CASE__				:				Any			=		'alsa'
										SCREAMING_SNAKE_CASE__				:				int			=		'default'
					elif system == "Darwin":
										SCREAMING_SNAKE_CASE__				:				str			=		'avfoundation'
										SCREAMING_SNAKE_CASE__				:				Dict			=		':0'
					elif system == "Windows":
										SCREAMING_SNAKE_CASE__				:				Any			=		'dshow'
										SCREAMING_SNAKE_CASE__				:				Any			=		'default'

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







def     _a				(      lowercase__  :			int     ,  lowercase__  :			float     ,  lowercase__  :			Optional[int] = None     ,  lowercase__  :			Optional[Union[Tuple[float, float], float]] = None     ,  lowercase__  :			str = "f32le"     ,  ):







					'''simple docstring'''


					if stream_chunk_s is not None:
										SCREAMING_SNAKE_CASE__				:				Dict			=		stream_chunk_s
					else:
										SCREAMING_SNAKE_CASE__				:				Optional[Any]			=		chunk_length_s

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

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

					SCREAMING_SNAKE_CASE__				:				Optional[int]			=		int(round(sampling_rate * stride_length_s[0] ) ) * size_of_sample
					SCREAMING_SNAKE_CASE__				:				str			=		int(round(sampling_rate * stride_length_s[1] ) ) * size_of_sample
					SCREAMING_SNAKE_CASE__				:				Any			=		datetime.datetime.now()
					SCREAMING_SNAKE_CASE__				:				Any			=		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
										SCREAMING_SNAKE_CASE__				:				Any			=		np.frombuffer(item['raw']     ,  dtype=lowercase__ )
										SCREAMING_SNAKE_CASE__				:				Optional[int]			=		(
										    item['stride'][0] // size_of_sample,
										    item['stride'][1] // size_of_sample,
										)
										SCREAMING_SNAKE_CASE__				:				Union[str, Any]			=		sampling_rate
										audio_time += delta
										if datetime.datetime.now() > audio_time + 10 * delta:
															# We're late !! SKIP
															continue
										yield item







def     _a				(      lowercase__  :			Any     ,  lowercase__  :			int     ,  lowercase__  :			Tuple[int, int]     ,  lowercase__  :			bool = False ):







					'''simple docstring'''


					SCREAMING_SNAKE_CASE__				:				int			=		b''
					SCREAMING_SNAKE_CASE__				:				int			=		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}''' )
					SCREAMING_SNAKE_CASE__				:				Optional[Any]			=		0
					for raw in iterator:
										acc += raw
										if stream and len(lowercase__ ) < chunk_len:
															SCREAMING_SNAKE_CASE__				:				Dict			=		(_stride_left, 0)
															yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
										else:
															while len(lowercase__ ) >= chunk_len:
																				# We are flushing the accumulator
																				SCREAMING_SNAKE_CASE__				:				List[Any]			=		(_stride_left, stride_right)
																				SCREAMING_SNAKE_CASE__				:				List[str]			=		{'raw': acc[:chunk_len], 'stride': stride}
																				if stream:
																									SCREAMING_SNAKE_CASE__				:				List[str]			=		False
																				yield item
																				SCREAMING_SNAKE_CASE__				:				Optional[Any]			=		stride_left
																				SCREAMING_SNAKE_CASE__				:				Tuple			=		acc[chunk_len - stride_left - stride_right :]
    # Last chunk
					if len(lowercase__ ) > stride_left:
										SCREAMING_SNAKE_CASE__				:				Tuple			=		{'raw': acc, 'stride': (_stride_left, 0)}
										if stream:
															SCREAMING_SNAKE_CASE__				:				Tuple			=		False
										yield item







def     _a				(      lowercase__  :			List[Any]     ,  lowercase__  :			int ):







					'''simple docstring'''


					SCREAMING_SNAKE_CASE__				:				Union[str, Any]			=		2**24  # 16Mo
					try:
										with subprocess.Popen(lowercase__     ,  stdout=subprocess.PIPE     ,  bufsize=lowercase__ ) as ffmpeg_process:
															while True:
																				SCREAMING_SNAKE_CASE__				:				int			=		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




def     _a				(      lowercase__  :			int     ,  lowercase__  :			int ):







     '''simple docstring'''


     return int((input_a, input_a).count(0 ) != 0 )







def     _a				(      ):







     '''simple docstring'''


     assert nand_gate(0     ,  0 ) == 1
     assert nand_gate(0     ,  1 ) == 1
     assert nand_gate(1     ,  0 ) == 1
     assert nand_gate(1     ,  1 ) == 0


if __name__ == "__main__":
      print(nand_gate(0, 0))
      print(nand_gate(0, 1))
      print(nand_gate(1, 0))
      print(nand_gate(1, 1))



