52         self,  argument
61         self.hrmode = hrmode
62         self.frame_duration_us = frame_duration_us
63         self.sample_rate_hz = sample_rate_hz
64         self.pcm_sample_rate_hz = pcm_sample_rate_hz or self.sample_rate_hz
65         self.num_channels = num_channels
67         if self.frame_duration_us not in [2500, 5000, 7500, 10000]:
73             [8000, 16000, 24000, 32000, 48000] if not self.hrmode else [48000, 96000]
76         if self.sample_rate_hz not in allowed_samplerate:
102             if self.hrmode:
129         self.lib = lib
135         self.malloc = libc.malloc
136         self.malloc.argtypes = [c_size_t]
137         self.malloc.restype = c_void_p
139         self.free = libc.free
140         self.free.argtypes = [c_void_p]
142     def get_frame_samples(self) -> int:  argument
146         ret = self.lib.lc3_hr_frame_samples(
147             self.hrmode, self.frame_duration_us, self.pcm_sample_rate_hz
153     def get_frame_bytes(self, bitrate: int) -> int:  argument
159         ret = self.lib.lc3_hr_frame_block_bytes(
160             self.hrmode,
161             self.frame_duration_us,
162             self.sample_rate_hz,
163             self.num_channels,
170     def resolve_bitrate(self, num_bytes: int) -> int:  argument
174         ret = self.lib.lc3_hr_resolve_bitrate(
175             self.hrmode, self.frame_duration_us, self.sample_rate_hz, num_bytes
181     def get_delay_samples(self) -> int:  argument
185         ret = self.lib.lc3_hr_delay_samples(
186             self.hrmode, self.frame_duration_us, self.pcm_sample_rate_hz
231         self,  argument
249         lib = self.lib
255             if self.hrmode:
274         lib.lc3_hr_setup_encoder.restype = self.c_encoder_t
277             self.c_encoder_t,
287                 self.hrmode,
288                 self.frame_duration_us,
289                 self.sample_rate_hz,
290                 self.pcm_sample_rate_hz,
291                 self.malloc(
293                         self.hrmode, self.frame_duration_us, self.pcm_sample_rate_hz
298         self.__encoders = [new_encoder() for _ in range(num_channels)]
300     def __del__(self) -> None:  argument
303             (self.free(encoder) for encoder in self.__encoders)
309         self,  argument
317         self, pcm: bytes | bytearray | memoryview, num_bytes: int, bit_depth: int  argument
320     def encode(self, pcm, num_bytes: int, bit_depth: int | None = None) -> bytes:  argument
335         nchannels = self.num_channels
336         frame_samples = self.get_frame_samples()
338         (pcm_fmt, pcm_t) = self._resolve_pcm_format(bit_depth)
358         for ich, encoder in enumerate(self.__encoders):
367             ret = self.lib.lc3_encode(encoder, pcm_fmt, pcm, nchannels, len(data), data)
397         self,  argument
415         lib = self.lib
421             if self.hrmode:
440         lib.lc3_hr_setup_decoder.restype = self.c_decoder_t
443             self.c_decoder_t,
453                 self.hrmode,
454                 self.frame_duration_us,
455                 self.sample_rate_hz,
456                 self.pcm_sample_rate_hz,
457                 self.malloc(
459                         self.hrmode, self.frame_duration_us, self.pcm_sample_rate_hz
464         self.__decoders = [new_decoder() for i in range(num_channels)]
466     def __del__(self) -> None:  argument
469             (self.free(decoder) for decoder in self.__decoders)
475         self, data: bytes | bytearray | memoryview, bit_depth: None = None  argument
479     def decode(self, data: bytes | bytearray | memoryview, bit_depth: int) -> bytes: ...  argument
482         self, data: bytes | bytearray | memoryview, bit_depth: int | None = None  argument
497         num_channels = self.num_channels
499         (pcm_fmt, pcm_t) = self._resolve_pcm_format(bit_depth)
500         pcm_len = num_channels * self.get_frame_samples()
506         for ich, decoder in enumerate(self.__decoders):
516             ret = self.lib.lc3_decode(
517                 decoder, buf, len(buf), pcm_fmt, pcm, self.num_channels