def gen_converse_requests(self):
"""Yields: ConverseRequest messages to send to the API."""
converse_state = None
if self.conversation_state_bytes:
logging.debug('Sending converse_state: %s',
self.conversation_state_bytes)
converse_state = embedded_assistant_pb2.ConverseState(
conversation_state=self.conversation_state_bytes,
)
config = embedded_assistant_pb2.ConverseConfig(
audio_in_config=embedded_assistant_pb2.AudioInConfig(
encoding='LINEAR16',
sample_rate_hertz=self.conversation_stream.sample_rate,
),
audio_out_config=embedded_assistant_pb2.AudioOutConfig(
encoding='LINEAR16',
sample_rate_hertz=self.conversation_stream.sample_rate,
volume_percentage=self.conversation_stream.volume_percentage,
),
converse_state=converse_state
)
# The first ConverseRequest must contain the ConverseConfig
# and no audio data.
yield embedded_assistant_pb2.ConverseRequest(config=config)
for data in self.conversation_stream:
# Subsequent requests need audio data, but not config.
yield embedded_assistant_pb2.ConverseRequest(audio_in=data)
def gen_converse_requests():
converse_state = None
if self.conversation_state_bytes:
converse_state = embedded_assistant_pb2.ConverseState( conversation_state=self.conversation_state_bytes)
config = embedded_assistant_pb2.ConverseConfig(audio_in_config=embedded_assistant_pb2.AudioInConfig(encoding='LINEAR16', sample_rate_hertz=int(self.audio_sample_rate)), audio_out_config=embedded_assistant_pb2.AudioOutConfig(encoding='LINEAR16', sample_rate_hertz=int(self.audio_sample_rate), volume_percentage=self.volume_percentage), converse_state=converse_state)
yield embedded_assistant_pb2.ConverseRequest(config=config)
for data in self.conversation_stream:
yield embedded_assistant_pb2.ConverseRequest(audio_in=data)
def _create_config_request(self):
audio_in_config = embedded_assistant_pb2.AudioInConfig(
encoding='LINEAR16',
sample_rate_hertz=AUDIO_SAMPLE_RATE_HZ,
)
audio_out_config = embedded_assistant_pb2.AudioOutConfig(
encoding='LINEAR16',
sample_rate_hertz=AUDIO_SAMPLE_RATE_HZ,
volume_percentage=100,
)
converse_config = embedded_assistant_pb2.ConverseConfig(
audio_in_config=audio_in_config,
audio_out_config=audio_out_config,
)
return embedded_assistant_pb2.ConverseRequest(config=converse_config)
def gen_converse_requests(samples,
sample_rate,
conversation_state=None,
volume_percentage=50):
"""Returns a generator of ConverseRequest proto messages from the
given audio samples.
Args:
samples: generator of audio samples.
sample_rate: audio data sample rate in hertz.
conversation_state: opaque bytes describing current conversation state.
"""
audio_in_config = embedded_assistant_pb2.AudioInConfig(
encoding='LINEAR16',
sample_rate_hertz=int(sample_rate),
)
audio_out_config = embedded_assistant_pb2.AudioOutConfig(
encoding='LINEAR16',
sample_rate_hertz=int(sample_rate),
volume_percentage=volume_percentage,
)
state_config = None
if conversation_state:
logging.debug('Sending converse_state: %s', conversation_state)
state_config = embedded_assistant_pb2.ConverseState(
conversation_state=conversation_state, )
converse_config = embedded_assistant_pb2.ConverseConfig(
audio_in_config=audio_in_config,
audio_out_config=audio_out_config,
converse_state=state_config,
)
# The first ConverseRequest must contain the ConverseConfig
# and no audio data
yield embedded_assistant_pb2.ConverseRequest(config=converse_config)
for data in samples:
# Subsequent requests need audio data, but not config.
yield embedded_assistant_pb2.ConverseRequest(audio_in=data)
