You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.4 KiB
65 lines
2.4 KiB
// Copyright (c) 2020 Mobvoi Inc (Binbin Zhang)
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "frontend/wav.h"
|
|
#include "utils/flags.h"
|
|
#include "utils/timer.h"
|
|
#include "websocket/websocket_client.h"
|
|
|
|
DEFINE_string(hostname, "127.0.0.1", "hostname of websocket server");
|
|
DEFINE_int32(port, 10086, "port of websocket server");
|
|
DEFINE_int32(nbest, 1, "n-best of decode result");
|
|
DEFINE_string(wav_path, "", "test wav file path");
|
|
DEFINE_bool(continuous_decoding, false, "continuous decoding mode");
|
|
|
|
int main(int argc, char* argv[]) {
|
|
gflags::ParseCommandLineFlags(&argc, &argv, false);
|
|
google::InitGoogleLogging(argv[0]);
|
|
wenet::WebSocketClient client(FLAGS_hostname, FLAGS_port);
|
|
client.set_nbest(FLAGS_nbest);
|
|
client.set_continuous_decoding(FLAGS_continuous_decoding);
|
|
client.SendStartSignal();
|
|
|
|
wenet::WavReader wav_reader(FLAGS_wav_path);
|
|
const int sample_rate = 16000;
|
|
// Only support 16K
|
|
CHECK_EQ(wav_reader.sample_rate(), sample_rate);
|
|
const int num_samples = wav_reader.num_samples();
|
|
// Send data every 0.5 second
|
|
const float interval = 0.5;
|
|
const int sample_interval = interval * sample_rate;
|
|
for (int start = 0; start < num_samples; start += sample_interval) {
|
|
if (client.done()) {
|
|
break;
|
|
}
|
|
int end = std::min(start + sample_interval, num_samples);
|
|
// Convert to short
|
|
std::vector<int16_t> data;
|
|
data.reserve(end - start);
|
|
for (int j = start; j < end; j++) {
|
|
data.push_back(static_cast<int16_t>(wav_reader.data()[j]));
|
|
}
|
|
// TODO(Binbin Zhang): Network order?
|
|
// Send PCM data
|
|
client.SendBinaryData(data.data(), data.size() * sizeof(int16_t));
|
|
VLOG(2) << "Send " << data.size() << " samples";
|
|
std::this_thread::sleep_for(
|
|
std::chrono::milliseconds(static_cast<int>(interval * 1000)));
|
|
}
|
|
wenet::Timer timer;
|
|
client.SendEndSignal();
|
|
client.Join();
|
|
VLOG(2) << "Total latency: " << timer.Elapsed() << "ms.";
|
|
return 0;
|
|
}
|