"""
|
Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights
|
Reserved. MIT License (https://opensource.org/licenses/MIT)
|
2023 by burkliu(刘柏基) liubaiji@xverse.cn
|
"""
|
|
import logging
|
import argparse
|
import soundfile as sf
|
import time
|
|
import grpc
|
import paraformer_pb2_grpc
|
from paraformer_pb2 import Request, WavFormat, DecodeMode
|
|
|
class GrpcClient:
|
def __init__(self, wav_path, uri, mode):
|
self.wav, self.sampling_rate = sf.read(wav_path, dtype="int16")
|
self.wav_format = WavFormat.pcm
|
self.audio_chunk_duration = 1000 # ms
|
self.audio_chunk_size = int(self.sampling_rate * self.audio_chunk_duration / 1000)
|
self.send_interval = 100 # ms
|
self.mode = mode
|
|
# connect to grpc server
|
channel = grpc.insecure_channel(uri)
|
self.stub = paraformer_pb2_grpc.ASRStub(channel)
|
|
# start request
|
for respond in self.stub.Recognize(self.request_iterator()):
|
logging.info(
|
"[receive] mode {}, text {}, is final {}".format(
|
DecodeMode.Name(respond.mode), respond.text, respond.is_final
|
)
|
)
|
|
def request_iterator(self, mode=DecodeMode.two_pass):
|
is_first_pack = True
|
is_final = False
|
for start in range(0, len(self.wav), self.audio_chunk_size):
|
request = Request()
|
audio_chunk = self.wav[start : start + self.audio_chunk_size]
|
|
if is_first_pack:
|
is_first_pack = False
|
request.sampling_rate = self.sampling_rate
|
request.mode = self.mode
|
request.wav_format = self.wav_format
|
if request.mode == DecodeMode.two_pass or request.mode == DecodeMode.online:
|
request.chunk_size.extend([5, 10, 5])
|
|
if start + self.audio_chunk_size >= len(self.wav):
|
is_final = True
|
request.is_final = is_final
|
request.audio_data = audio_chunk.tobytes()
|
logging.info(
|
"[request] audio_data len {}, is final {}".format(
|
len(request.audio_data), request.is_final
|
)
|
) # int16 = 2bytes
|
time.sleep(self.send_interval / 1000)
|
yield request
|
|
|
if __name__ == "__main__":
|
logging.basicConfig(filename="", format="%(asctime)s %(message)s", level=logging.INFO)
|
parser = argparse.ArgumentParser()
|
parser.add_argument(
|
"--host", type=str, default="127.0.0.1", required=False, help="grpc server host ip"
|
)
|
parser.add_argument("--port", type=int, default=10100, required=False, help="grpc server port")
|
parser.add_argument("--wav_path", type=str, required=True, help="audio wav path")
|
args = parser.parse_args()
|
|
for mode in [DecodeMode.offline, DecodeMode.online, DecodeMode.two_pass]:
|
mode_name = DecodeMode.Name(mode)
|
logging.info("[request] start requesting with mode {}".format(mode_name))
|
|
st = time.time()
|
uri = "{}:{}".format(args.host, args.port)
|
client = GrpcClient(args.wav_path, uri, mode)
|
logging.info("mode {}, time pass: {}".format(mode_name, time.time() - st))
|
